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Please report as a bug.) rX rE r: r rN r* rY Z remove_optionrR Zremove_sectionr[ )rG rS r\ r] r^ r r# r# r$ � unset_value� s" � �� zConfiguration.unset_valuec C sl | � � | jD ]X\}}t�d|� ttj�|�� t|d��}|� |� W d � q1 s\0 Y qdS )z!Save the current in-memory state.z Writing to %s�wN) rX rF �logger�infor r, r- �dirname�open�write)rG r\ r] �fr# r# r$ �save� s zConfiguration.savec C s$ | j d u rtd��t�d| j � d S )Nz'Needed a specific file to be modifying.z$Will be working with %s variant only)r: r rb �debugrL r# r# r$ rX � s z$Configuration._ensure_have_load_onlyc C s" i }t D ]}|�| j| � q|S )z3A dictionary representing the loaded configuration.)rC �updaterE )rG Zretvalr< r# r# r$ rQ � s zConfiguration._dictionaryc C s� t | �� �}|tj dd� tjgkr4t�d� dS |�� D ]V\}}|D ]H}| j durp|| j krpt�d||� qH| � ||�}| j | � ||f� qHq<dS )z,Loads configuration from configuration filesr r' zZSkipping loading configuration files due to environment's PIP_CONFIG_FILE being os.devnullNz Skipping file '%s' (variant: %s)) �dict�iter_config_filesr6 r r, �devnullrb ri rR r: � _load_filerD �append)rG � config_filesr< �filesr\ r] r# r# r$ rJ � s � z Configuration._load_config_files)r< r\ r c C sL t �d||� | �|�}|�� D ]&}|�|�}| j| �| �||�� q |S )Nz'For variant '%s', will try loading '%s')rb �verbose�_construct_parserZsectionsrR rE rj �_normalized_keys)rG r< r\ r] r^ rR r# r# r$ rn � s zConfiguration._load_file)r\ r c C s� t �� }tj�|�r|z|�|� W nX tyL td�t � d��|d��Y n0 t j yz } zt|d��W Y d }~n d }~0 0 |S )Nz contains invalid {} charactersF)�reasonr\ )�error) � configparser�RawConfigParserr, r- �exists�read�UnicodeDecodeErrorr r( �locale�getpreferredencoding�Error)rG r\ r] rv r# r# r$ rs s �� z Configuration._construct_parserc C s" | j tj �| �d| �� �� dS )z.Loads configuration from environment variablesz:env:N)rE r6 r rj rt �get_environ_varsrL r# r# r$ rK s �z$Configuration._load_environment_vars)r^ rR r c C s. i }|D ] \}}|d t |� }|||< q|S )z�Normalizes items to construct a dictionary with normalized keys. This routine is where the names become keys and are made the same regardless of source - configuration files or environment. r& )r% )rG r^ rR Z normalizedr �valrS r# r# r$ rt " s z Configuration._normalized_keysc c sD t j�� D ]4\}}|�d�r |dd� �� }|tvr ||fV q dS )z@Returns a generator with all environmental vars with prefix PIP_ZPIP_� N)r, �environrR r" r �ENV_NAMES_IGNORED)rG rS r� r r# r# r$ r 0 s z Configuration.get_environ_varsc c s� t j�dd�}|dur&tj|gfV n tjg fV t� }tj|tj fV | j ob|o`t j� |� }|rztj |tj fV tj |tj fV dS )zYields variant and configuration files associated with it. This should be treated like items of a dictionary. ZPIP_CONFIG_FILEN) r, r� �getr6 r r7 r r9 r- ry r r )rG Z config_filerp Zshould_load_user_configr# r# r$ rl 9 s �z Configuration.iter_config_files)r< r c C s | j | S )z#Get values present in a config file)rE )rG r< r# r# r$ �get_values_in_configW s z"Configuration.get_values_in_configc C s | j | j }|std��|d S )Nz4Fatal Internal error [id=2]. Please report as a bug.���)rD r: r )rG �parsersr# r# r$ rN [ s �z#Configuration._get_parser_to_modify)r\ r] r c C s" ||f}|| j vr | j �|� d S )N)rF ro )rG r\ r] Zfile_parser_tupler# r# r$ r[ i s z Configuration._mark_as_modifiedc C s | j j� d| j�d�S )N�(�))rI �__name__rQ rL r# r# r$ �__repr__n s zConfiguration.__repr__)N)%r� � __module__� __qualname__�__doc__�boolr r r? rM �strrP r r r rR rV r_ r` rh rX �propertyr rQ rJ rx rn rs rK rt r r rl r� rN r[ r� � __classcell__r# r# rH r$ r8 W s2 � r8 ),r� rw r| r, r3 �typingr r r r r r r Zpip._internal.exceptionsr r Zpip._internal.utilsr Zpip._internal.utils.compatr Zpip._internal.utils.loggingr Zpip._internal.utils.miscr r rx r� r r/ r� r6 r r r r r rC r@ r� rb r% r* r7 r8 r# r# r# r$ �<module> s8 $ � _internal/__pycache__/configuration.cpython-39.pyc 0000644 00000025521 15114542001 0016225 0 ustar 00 a [��fa3 � @ s> d Z ddlZddlZddlZddlZddlmZmZmZm Z m Z m Z m Z ddl mZmZ ddlmZ ddlmZ ddlmZ ddlmZmZ ejZe d e�Zer�d nd Z d Z ed ddddd�Z e j e j e j!e j"e j#fZ$e j e j e j!fZ%ee&�Z'eed�dd�Z(ee e d�dd�Z)eee e f d�dd�Z*G dd � d �Z+dS ) a Configuration management setup Some terminology: - name As written in config files. - value Value associated with a name - key Name combined with it's section (section.name) - variant A single word describing where the configuration key-value pair came from � N)�Any�Dict�Iterable�List�NewType�Optional�Tuple)�ConfigurationError�!ConfigurationFileCouldNotBeLoaded)�appdirs)�WINDOWS)� getLogger)� ensure_dir�enum�Kindzpip.inizpip.conf)�version�help�user�globalZsite�envzenv-var)�USER�GLOBAL�SITE�ENV�ENV_VAR)�name�returnc C s* | � � �dd�} | �d�r&| dd� } | S )zAMake a name consistent regardless of source (environment or file)�_�-z--� N)�lower�replace� startswith)r � r# �?/usr/lib/python3.9/site-packages/pip/_internal/configuration.py�_normalize_name2 s r% c C s& d| vrd� | �}t|��| �dd�S )N�.zbKey does not contain dot separated section and key. 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Please report as a bug.) rX r: rE r rN r* rY Z remove_optionrR Zremove_sectionr[ )rG rS r\ r] r^ r r# r# r$ � unset_value� s$ � �� zConfiguration.unset_valuec C sl | � � | jD ]X\}}t�d|� ttj�|�� t|d��}|� |� W d � q1 s\0 Y qdS )z!Save the current in-memory state.z Writing to %s�wN) rX rF �logger�infor r, r- �dirname�open�write)rG r\ r] �fr# r# r$ �save� s zConfiguration.savec C s$ | j d u rtd��t�d| j � d S )Nz'Needed a specific file to be modifying.z$Will be working with %s variant only)r: r rb �debugrL r# r# r$ rX � s z$Configuration._ensure_have_load_onlyc C s" i }t D ]}|�| j| � q|S )z3A dictionary representing the loaded configuration.)rC �updaterE )rG Zretvalr< r# r# r$ rQ � s zConfiguration._dictionaryc C s� t | �� �}|tj dd� tjgkr4t�d� dS |�� D ]V\}}|D ]H}| j durp|| j krpt�d||� qH| � ||�}| j | � ||f� qHq<dS )z,Loads configuration from configuration filesr r' zZSkipping loading configuration files due to environment's PIP_CONFIG_FILE being os.devnullNz Skipping file '%s' (variant: %s)) �dict�iter_config_filesr6 r r, �devnullrb ri rR r: � _load_filerD �append)rG � config_filesr< �filesr\ r] r# r# r$ rJ � s � z Configuration._load_config_files)r< r\ r c C sL t �d||� | �|�}|�� D ]&}|�|�}| j| �| �||�� q |S )Nz'For variant '%s', will try loading '%s')rb �verbose�_construct_parserZsectionsrR rE rj �_normalized_keys)rG r< r\ r] r^ rR r# r# r$ rn � s zConfiguration._load_file)r\ r c C s� t �� }tj�|�r|z|�|� W nX tyL td�t � d��|d��Y n0 t j yz } zt|d��W Y d }~n d }~0 0 |S )Nz contains invalid {} charactersF)�reasonr\ )�error) � configparser�RawConfigParserr, r- �exists�read�UnicodeDecodeErrorr r( �locale�getpreferredencoding�Error)rG r\ r] rv r# r# r$ rs s �� z Configuration._construct_parserc C s" | j tj �| �d| �� �� dS )z.Loads configuration from environment variablesz:env:N)rE r6 r rj rt �get_environ_varsrL r# r# r$ rK s �z$Configuration._load_environment_vars)r^ rR r c C s. i }|D ] \}}|d t |� }|||< q|S )z�Normalizes items to construct a dictionary with normalized keys. 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Please report as a bug.���)r: rD r )rG �parsersr# r# r$ rN [ s �z#Configuration._get_parser_to_modify)r\ r] r c C s" ||f}|| j vr | j �|� d S )N)rF ro )rG r\ r] Zfile_parser_tupler# r# r$ r[ i s z Configuration._mark_as_modifiedc C s | j j� d| j�d�S )N�(�))rI �__name__rQ rL r# r# r$ �__repr__n s zConfiguration.__repr__)N)%r� � __module__� __qualname__�__doc__�boolr r r? rM �strrP r r r rR rV r_ r` rh rX �propertyr rQ rJ rx rn rs rK rt r r rl r� rN r[ r� � __classcell__r# r# rH r$ r8 W s2 � r8 ),r� rw r| r, r3 �typingr r r r r r r Zpip._internal.exceptionsr r Zpip._internal.utilsr Zpip._internal.utils.compatr Zpip._internal.utils.loggingr Zpip._internal.utils.miscr r rx r� r r/ r� r6 r r r r r rC r@ r� rb r% r* r7 r8 r# r# r# r$ �<module> s8 $ � _internal/__pycache__/exceptions.cpython-39.opt-1.pyc 0000644 00000037677 15114542001 0016515 0 ustar 00 a [��f�1 � @ s4 d Z ddlZddlmZmZmZ ddlmZmZm Z m Z m Z ddl m Z ddlmZmZ er�ddlmZ ddlmZ dd lmZ G d d � d e�ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�Z G dd� de�Z G dd� de�Z G dd� de�Z G dd� de�Z G d d � d e�Z!G d d � d e�Z"G d d!� d!e�Z#G d"d#� d#e�Z$G d$d%� d%e�Z%G d&d'� d'e�Z&G d(d)� d)e�Z'G d*d+� d+e�Z(G d,d-� d-e�Z)G d.d/� d/e�Z*G d0d1� d1e�Z+G d2d3� d3e+�Z,G d4d5� d5e+�Z-G d6d7� d7e+�Z.G d8d9� d9e+�Z/G d:d;� d;e+�Z0G d<d=� d=e�Z1G d>d?� d?e�Z2dS )@z"Exceptions used throughout package� N)�chain�groupby�repeat)� TYPE_CHECKING�Dict�List�Optional�Union)� Distribution)�Request�Response)�_Hash)�BaseDistribution)�InstallRequirementc @ s e Zd ZdZdS )�PipErrorzBase pip exceptionN��__name__� __module__� __qualname__�__doc__� r r �</usr/lib/python3.9/site-packages/pip/_internal/exceptions.pyr s r c @ s e Zd ZdZdS )�ConfigurationErrorz"General exception in configurationNr r r r r r s r c @ s e Zd ZdZdS )�InstallationErrorz%General exception during installationNr r r r r r s r c @ s e Zd ZdZdS )�UninstallationErrorz'General exception during uninstallationNr r r r r r s r c @ s8 e Zd ZdZeedf edd�dd�Zed�dd �ZdS ) �NoneMetadataErrora Raised when accessing "METADATA" or "PKG-INFO" metadata for a pip._vendor.pkg_resources.Distribution object and `dist.has_metadata('METADATA')` returns True but `dist.get_metadata('METADATA')` returns None (and similarly for "PKG-INFO"). r N)�dist� metadata_name�returnc C s || _ || _dS )z� :param dist: A Distribution object. :param metadata_name: The name of the metadata being accessed (can be "METADATA" or "PKG-INFO"). 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Nr: )r9 r: r8 �hasattr�superr )r r8 r9 r: �� __class__r r r i s ��� z NetworkConnectionError.__init__r! c C s t | j�S r( )r% r8 r# r r r r$ { s z NetworkConnectionError.__str__)NN) r r r r r% r r r r$ � __classcell__r r r= r r7 f s ��r7 c @ s e Zd ZdZdS )�InvalidWheelFilenamezInvalid wheel filename.Nr r r r r r@ s r@ c @ s e Zd ZdZdS )�UnsupportedWheelzUnsupported wheel.Nr r r r r rA � s rA c @ s4 e Zd ZdZdeeedd�dd�Zed�dd �ZdS ) �MetadataInconsistentz�Built metadata contains inconsistent information. This is raised when the metadata contains values (e.g. name and version) that do not match the information previously obtained from sdist filename or user-supplied ``#egg=`` value. r N)�ireq�field�f_val�m_valr c C s || _ || _|| _|| _d S r( )rC rD rE rF )r rC rD rE rF r r r r � s z MetadataInconsistent.__init__r! c C s d}|� | j| j| j| j�S )NzJRequested {} has inconsistent {}: filename has {!r}, but metadata has {!r})r" rC rD rE rF )r �templater r r r$ � s �z MetadataInconsistent.__str__)r r r r r% r r$ r r r r rB � s � rB c @ s0 e Zd ZdZeedd�dd�Zed�dd�ZdS ) �InstallationSubprocessErrorz-A subprocess call failed during installation.N)� returncode� descriptionr c C s || _ || _d S r( )rI rJ )r rI rJ r r r r � s z$InstallationSubprocessError.__init__r! c C s d� | j| j�S )NzSCommand errored out with exit status {}: {} Check the logs for full command output.)r" rI rJ r# r r r r$ � s ��z#InstallationSubprocessError.__str__)r r r r �intr% r r$ r r r r rH � s rH c @ sJ e Zd ZdZdd�dd�Zddd�dd �Zed�d d �Zed�d d �Z dS )� HashErrorsz:Multiple HashError instances rolled into one for reportingNr! c C s g | _ d S r( )�errorsr# r r r r � s zHashErrors.__init__� HashError)�errorr c C s | j �|� d S r( )rM �append)r rO r r r rP � s zHashErrors.appendc C sb g }| j jdd� d� t| j dd� �D ](\}}|�|j� |�dd� |D �� q&|r^d�|�S dS ) Nc S s | j S r( )�order��er r r �<lambda>� r, z$HashErrors.__str__.<locals>.<lambda>)�keyc S s | j S r( r= rR r r r rT � r, c s s | ]}|� � V qd S r( )�body�r) rS r r r r+ � r, z%HashErrors.__str__.<locals>.<genexpr>� � )rM �sortr rP �head�extendr. )r �lines�clsZ errors_of_clsr r r r$ � s zHashErrors.__str__c C s t | j�S r( )�boolrM r# r r r �__bool__� s zHashErrors.__bool__) r r r r r rP r% r$ r_ r` r r r r rL � s rL c @ s\ e Zd ZU dZdZed ed< dZdZe ed< e d�d d �Z e d�d d �Z e d�d d�Z dS )rN a� A failure to verify a package against known-good hashes :cvar order: An int sorting hash exception classes by difficulty of recovery (lower being harder), so the user doesn't bother fretting about unpinned packages when he has deeper issues, like VCS dependencies, to deal with. Also keeps error reports in a deterministic order. :cvar head: A section heading for display above potentially many exceptions of this kind :ivar req: The InstallRequirement that triggered this error. This is pasted on after the exception is instantiated, because it's not typically available earlier. Nr �reqrY r- rQ r! c C s d| � � � �S )a= Return a summary of me for display under the heading. This default implementation simply prints a description of the triggering requirement. :param req: The InstallRequirement that provoked this error, with its link already populated by the resolver's _populate_link(). z )�_requirement_namer# r r r rV � s zHashError.bodyc C s | j � d| �� � �S )NrX )r[ rV r# r r r r$ � s zHashError.__str__c C s | j rt| j �S dS )z�Return a description of the requirement that triggered me. This default implementation returns long description of the req, with line numbers �unknown package)ra r% r# r r r rb � s zHashError._requirement_name)r r r r ra r �__annotations__r[ rQ rK r% rV r$ rb r r r r rN � s rN c @ s e Zd ZdZdZdZdS )�VcsHashUnsupported�uA hash was provided for a version-control-system-based requirement, but we don't have a method for hashing those.r zlCan't verify hashes for these requirements because we don't have a way to hash version control repositories:N�r r r r rQ r[ r r r r re � s �re c @ s e Zd ZdZdZdZdS )�DirectoryUrlHashUnsupportedrf � zUCan't verify hashes for these file:// requirements because they point to directories:Nrg r r r r rh � s �rh c @ s6 e Zd ZdZdZdZedd�dd�Zed�d d �ZdS ) � HashMissingz2A hash was needed for a requirement but is absent.� aw Hashes are required in --require-hashes mode, but they are missing from some requirements. Here is a list of those requirements along with the hashes their downloaded archives actually had. Add lines like these to your requirements files to prevent tampering. (If you did not enable --require-hashes manually, note that it turns on automatically when any package has a hash.)N)� gotten_hashr c C s || _ dS )zq :param gotten_hash: The hash of the (possibly malicious) archive we just downloaded N)rl )r rl r r r r s zHashMissing.__init__r! c C sH ddl m} d }| jr4| jjr&| jjn t| jdd �}d�|p>d|| j�S )Nr )� FAVORITE_HASHra z {} --hash={}:{}rc )Zpip._internal.utils.hashesrm ra Z original_link�getattrr" rl )r rm �packager r r rV s � � �zHashMissing.body) r r r r rQ r[ r% r rV r r r r rj s � rj c @ s e Zd ZdZdZdZdS )� HashUnpinnedzPA requirement had a hash specified but was not pinned to a specific version.� zaIn --require-hashes mode, all requirements must have their versions pinned with ==. These do not:Nrg r r r r rp 2 s �rp c @ sZ e Zd ZdZdZdZeeee f eedf dd�dd�Z ed �d d �Z ed �d d �Z dS )� HashMismatchz� Distribution file hash values don't match. :ivar package_name: The name of the package that triggered the hash mismatch. Feel free to write to this after the exception is raise to improve its error message. � z�THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS FILE. If you have updated the package versions, please update the hashes. Otherwise, examine the package contents carefully; someone may have tampered with them.r N)�allowed�gotsr c C s || _ || _dS )z� :param allowed: A dict of algorithm names pointing to lists of allowed hex digests :param gots: A dict of algorithm names pointing to hashes we actually got from the files under suspicion N)rt ru )r rt ru r r r r O s zHashMismatch.__init__r! c C s d� | �� | �� �S )Nz {}: {})r" rb �_hash_comparisonr# r r r rV Y s zHashMismatch.bodyc sl t dd�dd�}g }| j�� D ]B\}}||�� |�� fdd�|D �� |�d�| j| �� �� q d�|�S ) aE Return a comparison of actual and expected hash values. 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N)r r )�selfr r r r r �__init__* s zNoneMetadataError.__init__�r c C s d� | j| j�S )Nz+None {} metadata found for distribution: {})�formatr r �r r r r �__str__7 s �zNoneMetadataError.__str__) r r r r r r �strr r$ r r r r r ! s � r c @ s e Zd ZdZed�dd�ZdS )�UserInstallationInvalidzBA --user install is requested on an environment without user site.r! c C s dS )Nz$User base directory is not specifiedr r# r r r r$ C s z UserInstallationInvalid.__str__N)r r r r r% r$ r r r r r& @ s r& c @ s e Zd Zed�dd�ZdS )�InvalidSchemeCombinationr! c C s6 d� dd� | jd d� D ��}d|� d| jd � d�S )Nz, c s s | ]}t |�V qd S �N)r% )�.0�ar r r � <genexpr>I � z3InvalidSchemeCombination.__str__.<locals>.<genexpr>���z Cannot set z and z together)�join�args)r �beforer r r r$ H s z InvalidSchemeCombination.__str__N)r r r r% r$ r r r r r' G s r' c @ s e Zd ZdZdS )�DistributionNotFoundzCRaised when a distribution cannot be found to satisfy a requirementNr r r r r r1 M s r1 c @ s e Zd ZdZdS )�RequirementsFileParseErrorzDRaised when a general error occurs parsing a requirements file line.Nr r r r r r2 Q s r2 c @ s e Zd ZdZdS )�BestVersionAlreadyInstalledzNRaised when the most up-to-date version of a package is already installed.Nr r r r r r3 U s r3 c @ s e Zd ZdZdS )� BadCommandz0Raised when virtualenv or a command is not foundNr r r r r r4 Z s r4 c @ s e Zd ZdZdS )� CommandErrorz7Raised when there is an error in command-line argumentsNr r r r r r5 ^ s r5 c @ s e Zd ZdZdS )�PreviousBuildDirErrorz:Raised when there's a previous conflicting build directoryNr r r r r r6 b s r6 c s< e Zd ZdZd eeedd�� fdd� Zed�dd�Z� Z S ) �NetworkConnectionErrorzHTTP connection errorN)� error_msg�response�requestr c sJ || _ || _|| _| j dur6| js6t|d�r6| j j| _t� �|||� dS )zc Initialize NetworkConnectionError with `request` and `response` objects. Nr: )r9 r: r8 �hasattr�superr )r r8 r9 r: �� __class__r r r i s ��� z NetworkConnectionError.__init__r! c C s t | j�S r( )r% r8 r# r r r r$ { s z NetworkConnectionError.__str__)NN) r r r r r% r r r r$ � __classcell__r r r= r r7 f s ��r7 c @ s e Zd ZdZdS )�InvalidWheelFilenamezInvalid wheel filename.Nr r r r r r@ s r@ c @ s e Zd ZdZdS )�UnsupportedWheelzUnsupported wheel.Nr r r r r rA � s rA c @ s4 e Zd ZdZdeeedd�dd�Zed�dd �ZdS ) �MetadataInconsistentz�Built metadata contains inconsistent information. This is raised when the metadata contains values (e.g. name and version) that do not match the information previously obtained from sdist filename or user-supplied ``#egg=`` value. r N)�ireq�field�f_val�m_valr c C s || _ || _|| _|| _d S r( )rC rD rE rF )r rC rD rE rF r r r r � s z MetadataInconsistent.__init__r! c C s d}|� | j| j| j| j�S )NzJRequested {} has inconsistent {}: filename has {!r}, but metadata has {!r})r" rC rD rE rF )r �templater r r r$ � s �z MetadataInconsistent.__str__)r r r r r% r r$ r r r r rB � s � rB c @ s0 e Zd ZdZeedd�dd�Zed�dd�ZdS ) �InstallationSubprocessErrorz-A subprocess call failed during installation.N)� returncode� descriptionr c C s || _ || _d S r( )rI rJ )r rI rJ r r r r � s z$InstallationSubprocessError.__init__r! c C s d� | j| j�S )NzSCommand errored out with exit status {}: {} Check the logs for full command output.)r" rI rJ r# r r r r$ � s ��z#InstallationSubprocessError.__str__)r r r r �intr% r r$ r r r r rH � s rH c @ sJ e Zd ZdZdd�dd�Zddd�dd �Zed�d d �Zed�d d �Z dS )� HashErrorsz:Multiple HashError instances rolled into one for reportingNr! c C s g | _ d S r( )�errorsr# r r r r � s zHashErrors.__init__� HashError)�errorr c C s | j �|� d S r( )rM �append)r rO r r r rP � s zHashErrors.appendc C sb g }| j jdd� d� t| j dd� �D ](\}}|�|j� |�dd� |D �� q&|r^d�|�S dS ) Nc S s | j S r( )�order��er r r �<lambda>� r, z$HashErrors.__str__.<locals>.<lambda>)�keyc S s | j S r( r= rR r r r rT � r, c s s | ]}|� � V qd S r( )�body�r) rS r r r r+ � r, z%HashErrors.__str__.<locals>.<genexpr>� � )rM �sortr rP �head�extendr. )r �lines�clsZ errors_of_clsr r r r$ � s zHashErrors.__str__c C s t | j�S r( )�boolrM r# r r r �__bool__� s zHashErrors.__bool__) r r r r r rP r% r$ r_ r` r r r r rL � s rL c @ s\ e Zd ZU dZdZed ed< dZdZe ed< e d�d d �Z e d�d d �Z e d�d d�Z dS )rN a� A failure to verify a package against known-good hashes :cvar order: An int sorting hash exception classes by difficulty of recovery (lower being harder), so the user doesn't bother fretting about unpinned packages when he has deeper issues, like VCS dependencies, to deal with. Also keeps error reports in a deterministic order. :cvar head: A section heading for display above potentially many exceptions of this kind :ivar req: The InstallRequirement that triggered this error. This is pasted on after the exception is instantiated, because it's not typically available earlier. Nr �reqrY r- rQ r! c C s d| � � � �S )a= Return a summary of me for display under the heading. This default implementation simply prints a description of the triggering requirement. :param req: The InstallRequirement that provoked this error, with its link already populated by the resolver's _populate_link(). z )�_requirement_namer# r r r rV � s zHashError.bodyc C s | j � d| �� � �S )NrX )r[ rV r# r r r r$ � s zHashError.__str__c C s | j rt| j �S dS )z�Return a description of the requirement that triggered me. This default implementation returns long description of the req, with line numbers �unknown package)ra r% r# r r r rb � s zHashError._requirement_name)r r r r ra r �__annotations__r[ rQ rK r% rV r$ rb r r r r rN � s rN c @ s e Zd ZdZdZdZdS )�VcsHashUnsupported�uA hash was provided for a version-control-system-based requirement, but we don't have a method for hashing those.r zlCan't verify hashes for these requirements because we don't have a way to hash version control repositories:N�r r r r rQ r[ r r r r re � s �re c @ s e Zd ZdZdZdZdS )�DirectoryUrlHashUnsupportedrf � zUCan't verify hashes for these file:// requirements because they point to directories:Nrg r r r r rh � s �rh c @ s6 e Zd ZdZdZdZedd�dd�Zed�d d �ZdS ) � HashMissingz2A hash was needed for a requirement but is absent.� aw Hashes are required in --require-hashes mode, but they are missing from some requirements. Here is a list of those requirements along with the hashes their downloaded archives actually had. Add lines like these to your requirements files to prevent tampering. (If you did not enable --require-hashes manually, note that it turns on automatically when any package has a hash.)N)� gotten_hashr c C s || _ dS )zq :param gotten_hash: The hash of the (possibly malicious) archive we just downloaded N)rl )r rl r r r r s zHashMissing.__init__r! c C sH ddl m} d }| jr4| jjr&| jjn t| jdd �}d�|p>d|| j�S )Nr )� FAVORITE_HASHra z {} --hash={}:{}rc )Zpip._internal.utils.hashesrm ra Z original_link�getattrr" rl )r rm �packager r r rV s � � �zHashMissing.body) r r r r rQ r[ r% r rV r r r r rj s � rj c @ s e Zd ZdZdZdZdS )� HashUnpinnedzPA requirement had a hash specified but was not pinned to a specific version.� zaIn --require-hashes mode, all requirements must have their versions pinned with ==. 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""" import optparse import os import sys from itertools import chain from typing import Any, Iterable, List, Optional from pip._internal.cli.main_parser import create_main_parser from pip._internal.commands import commands_dict, create_command from pip._internal.metadata import get_default_environment def autocomplete() -> None: """Entry Point for completion of main and subcommand options.""" # Don't complete if user hasn't sourced bash_completion file. if "PIP_AUTO_COMPLETE" not in os.environ: return cwords = os.environ["COMP_WORDS"].split()[1:] cword = int(os.environ["COMP_CWORD"]) try: current = cwords[cword - 1] except IndexError: current = "" parser = create_main_parser() subcommands = list(commands_dict) options = [] # subcommand subcommand_name: Optional[str] = None for word in cwords: if word in subcommands: subcommand_name = word break # subcommand options if subcommand_name is not None: # special case: 'help' subcommand has no options if subcommand_name == "help": sys.exit(1) # special case: list locally installed dists for show and uninstall should_list_installed = not current.startswith("-") and subcommand_name in [ "show", "uninstall", ] if should_list_installed: env = get_default_environment() lc = current.lower() installed = [ dist.canonical_name for dist in env.iter_installed_distributions(local_only=True) if dist.canonical_name.startswith(lc) and dist.canonical_name not in cwords[1:] ] # if there are no dists installed, fall back to option completion if installed: for dist in installed: print(dist) sys.exit(1) subcommand = create_command(subcommand_name) for opt in subcommand.parser.option_list_all: if opt.help != optparse.SUPPRESS_HELP: for opt_str in opt._long_opts + opt._short_opts: options.append((opt_str, opt.nargs)) # filter out previously specified options from available options prev_opts = [x.split("=")[0] for x in cwords[1 : cword - 1]] options = [(x, v) for (x, v) in options if x not in prev_opts] # filter options by current input options = [(k, v) for k, v in options if k.startswith(current)] # get completion type given cwords and available subcommand options completion_type = get_path_completion_type( cwords, cword, subcommand.parser.option_list_all, ) # get completion files and directories if ``completion_type`` is # ``<file>``, ``<dir>`` or ``<path>`` if completion_type: paths = auto_complete_paths(current, completion_type) options = [(path, 0) for path in paths] for option in options: opt_label = option[0] # append '=' to options which require args if option[1] and option[0][:2] == "--": opt_label += "=" print(opt_label) else: # show main parser options only when necessary opts = [i.option_list for i in parser.option_groups] opts.append(parser.option_list) flattened_opts = chain.from_iterable(opts) if current.startswith("-"): for opt in flattened_opts: if opt.help != optparse.SUPPRESS_HELP: subcommands += opt._long_opts + opt._short_opts else: # get completion type given cwords and all available options completion_type = get_path_completion_type(cwords, cword, flattened_opts) if completion_type: subcommands = list(auto_complete_paths(current, completion_type)) print(" ".join([x for x in subcommands if x.startswith(current)])) sys.exit(1) def get_path_completion_type( cwords: List[str], cword: int, opts: Iterable[Any] ) -> Optional[str]: """Get the type of path completion (``file``, ``dir``, ``path`` or None) :param cwords: same as the environmental variable ``COMP_WORDS`` :param cword: same as the environmental variable ``COMP_CWORD`` :param opts: The available options to check :return: path completion type (``file``, ``dir``, ``path`` or None) """ if cword < 2 or not cwords[cword - 2].startswith("-"): return None for opt in opts: if opt.help == optparse.SUPPRESS_HELP: continue for o in str(opt).split("/"): if cwords[cword - 2].split("=")[0] == o: if not opt.metavar or any( x in ("path", "file", "dir") for x in opt.metavar.split("/") ): return opt.metavar return None def auto_complete_paths(current: str, completion_type: str) -> Iterable[str]: """If ``completion_type`` is ``file`` or ``path``, list all regular files and directories starting with ``current``; otherwise only list directories starting with ``current``. :param current: The word to be completed :param completion_type: path completion type(`file`, `path` or `dir`)i :return: A generator of regular files and/or directories """ directory, filename = os.path.split(current) current_path = os.path.abspath(directory) # Don't complete paths if they can't be accessed if not os.access(current_path, os.R_OK): return filename = os.path.normcase(filename) # list all files that start with ``filename`` file_list = ( x for x in os.listdir(current_path) if os.path.normcase(x).startswith(filename) ) for f in file_list: opt = os.path.join(current_path, f) comp_file = os.path.normcase(os.path.join(directory, f)) # complete regular files when there is not ``<dir>`` after option # complete directories when there is ``<file>``, ``<path>`` or # ``<dir>``after option if completion_type != "dir" and os.path.isfile(opt): yield comp_file elif os.path.isdir(opt): yield os.path.join(comp_file, "") _internal/cli/base_command.py 0000644 00000017156 15114542001 0012253 0 ustar 00 """Base Command class, and related routines""" import functools import logging import logging.config import optparse import os import sys import traceback from optparse import Values from typing import Any, Callable, List, Optional, Tuple from pip._internal.cli import cmdoptions from pip._internal.cli.command_context import CommandContextMixIn from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter from pip._internal.cli.status_codes import ( ERROR, PREVIOUS_BUILD_DIR_ERROR, UNKNOWN_ERROR, VIRTUALENV_NOT_FOUND, ) from pip._internal.exceptions import ( BadCommand, CommandError, InstallationError, NetworkConnectionError, PreviousBuildDirError, UninstallationError, ) from pip._internal.utils.filesystem import check_path_owner from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging from pip._internal.utils.misc import get_prog, normalize_path from pip._internal.utils.temp_dir import TempDirectoryTypeRegistry as TempDirRegistry from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry from pip._internal.utils.virtualenv import running_under_virtualenv __all__ = ["Command"] logger = logging.getLogger(__name__) class Command(CommandContextMixIn): usage: str = "" ignore_require_venv: bool = False def __init__(self, name: str, summary: str, isolated: bool = False) -> None: super().__init__() self.name = name self.summary = summary self.parser = ConfigOptionParser( usage=self.usage, prog=f"{get_prog()} {name}", formatter=UpdatingDefaultsHelpFormatter(), add_help_option=False, name=name, description=self.__doc__, isolated=isolated, ) self.tempdir_registry: Optional[TempDirRegistry] = None # Commands should add options to this option group optgroup_name = f"{self.name.capitalize()} Options" self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name) # Add the general options gen_opts = cmdoptions.make_option_group( cmdoptions.general_group, self.parser, ) self.parser.add_option_group(gen_opts) self.add_options() def add_options(self) -> None: pass def handle_pip_version_check(self, options: Values) -> None: """ This is a no-op so that commands by default do not do the pip version check. """ # Make sure we do the pip version check if the index_group options # are present. assert not hasattr(options, "no_index") def run(self, options: Values, args: List[str]) -> int: raise NotImplementedError def parse_args(self, args: List[str]) -> Tuple[Values, List[str]]: # factored out for testability return self.parser.parse_args(args) def main(self, args: List[str]) -> int: try: with self.main_context(): return self._main(args) finally: logging.shutdown() def _main(self, args: List[str]) -> int: # We must initialize this before the tempdir manager, otherwise the # configuration would not be accessible by the time we clean up the # tempdir manager. self.tempdir_registry = self.enter_context(tempdir_registry()) # Intentionally set as early as possible so globally-managed temporary # directories are available to the rest of the code. self.enter_context(global_tempdir_manager()) options, args = self.parse_args(args) # Set verbosity so that it can be used elsewhere. self.verbosity = options.verbose - options.quiet level_number = setup_logging( verbosity=self.verbosity, no_color=options.no_color, user_log_file=options.log, ) # TODO: Try to get these passing down from the command? # without resorting to os.environ to hold these. # This also affects isolated builds and it should. if options.no_input: os.environ["PIP_NO_INPUT"] = "1" if options.exists_action: os.environ["PIP_EXISTS_ACTION"] = " ".join(options.exists_action) if options.require_venv and not self.ignore_require_venv: # If a venv is required check if it can really be found if not running_under_virtualenv(): logger.critical("Could not find an activated virtualenv (required).") sys.exit(VIRTUALENV_NOT_FOUND) if options.cache_dir: options.cache_dir = normalize_path(options.cache_dir) if not check_path_owner(options.cache_dir): logger.warning( "The directory '%s' or its parent directory is not owned " "or is not writable by the current user. The cache " "has been disabled. Check the permissions and owner of " "that directory. If executing pip with sudo, you should " "use sudo's -H flag.", options.cache_dir, ) options.cache_dir = None if "2020-resolver" in options.features_enabled: logger.warning( "--use-feature=2020-resolver no longer has any effect, " "since it is now the default dependency resolver in pip. " "This will become an error in pip 21.0." ) def intercepts_unhandled_exc( run_func: Callable[..., int] ) -> Callable[..., int]: @functools.wraps(run_func) def exc_logging_wrapper(*args: Any) -> int: try: status = run_func(*args) assert isinstance(status, int) return status except PreviousBuildDirError as exc: logger.critical(str(exc)) logger.debug("Exception information:", exc_info=True) return PREVIOUS_BUILD_DIR_ERROR except ( InstallationError, UninstallationError, BadCommand, NetworkConnectionError, ) as exc: logger.critical(str(exc)) logger.debug("Exception information:", exc_info=True) return ERROR except CommandError as exc: logger.critical("%s", exc) logger.debug("Exception information:", exc_info=True) return ERROR except BrokenStdoutLoggingError: # Bypass our logger and write any remaining messages to # stderr because stdout no longer works. print("ERROR: Pipe to stdout was broken", file=sys.stderr) if level_number <= logging.DEBUG: traceback.print_exc(file=sys.stderr) return ERROR except KeyboardInterrupt: logger.critical("Operation cancelled by user") logger.debug("Exception information:", exc_info=True) return ERROR except BaseException: logger.critical("Exception:", exc_info=True) return UNKNOWN_ERROR return exc_logging_wrapper try: if not options.debug_mode: run = intercepts_unhandled_exc(self.run) else: run = self.run return run(options, args) finally: self.handle_pip_version_check(options) _internal/cli/cmdoptions.py 0000644 00000067347 15114542001 0012031 0 ustar 00 """ shared options and groups The principle here is to define options once, but *not* instantiate them globally. One reason being that options with action='append' can carry state between parses. pip parses general options twice internally, and shouldn't pass on state. To be consistent, all options will follow this design. """ # The following comment should be removed at some point in the future. # mypy: strict-optional=False import os import textwrap import warnings from functools import partial from optparse import SUPPRESS_HELP, Option, OptionGroup, OptionParser, Values from textwrap import dedent from typing import Any, Callable, Dict, Optional, Tuple from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cli.parser import ConfigOptionParser from pip._internal.cli.progress_bars import BAR_TYPES from pip._internal.exceptions import CommandError from pip._internal.locations import USER_CACHE_DIR, get_src_prefix from pip._internal.models.format_control import FormatControl from pip._internal.models.index import PyPI from pip._internal.models.target_python import TargetPython from pip._internal.utils.hashes import STRONG_HASHES from pip._internal.utils.misc import strtobool def raise_option_error(parser: OptionParser, option: Option, msg: str) -> None: """ Raise an option parsing error using parser.error(). Args: parser: an OptionParser instance. option: an Option instance. msg: the error text. """ msg = f"{option} error: {msg}" msg = textwrap.fill(" ".join(msg.split())) parser.error(msg) def make_option_group(group: Dict[str, Any], parser: ConfigOptionParser) -> OptionGroup: """ Return an OptionGroup object group -- assumed to be dict with 'name' and 'options' keys parser -- an optparse Parser """ option_group = OptionGroup(parser, group["name"]) for option in group["options"]: option_group.add_option(option()) return option_group def check_install_build_global( options: Values, check_options: Optional[Values] = None ) -> None: """Disable wheels if per-setup.py call options are set. :param options: The OptionParser options to update. :param check_options: The options to check, if not supplied defaults to options. """ if check_options is None: check_options = options def getname(n: str) -> Optional[Any]: return getattr(check_options, n, None) names = ["build_options", "global_options", "install_options"] if any(map(getname, names)): control = options.format_control control.disallow_binaries() warnings.warn( "Disabling all use of wheels due to the use of --build-option " "/ --global-option / --install-option.", stacklevel=2, ) def check_dist_restriction(options: Values, check_target: bool = False) -> None: """Function for determining if custom platform options are allowed. :param options: The OptionParser options. :param check_target: Whether or not to check if --target is being used. """ dist_restriction_set = any( [ options.python_version, options.platforms, options.abis, options.implementation, ] ) binary_only = FormatControl(set(), {":all:"}) sdist_dependencies_allowed = ( options.format_control != binary_only and not options.ignore_dependencies ) # Installations or downloads using dist restrictions must not combine # source distributions and dist-specific wheels, as they are not # guaranteed to be locally compatible. if dist_restriction_set and sdist_dependencies_allowed: raise CommandError( "When restricting platform and interpreter constraints using " "--python-version, --platform, --abi, or --implementation, " "either --no-deps must be set, or --only-binary=:all: must be " "set and --no-binary must not be set (or must be set to " ":none:)." ) if check_target: if dist_restriction_set and not options.target_dir: raise CommandError( "Can not use any platform or abi specific options unless " "installing via '--target'" ) def _path_option_check(option: Option, opt: str, value: str) -> str: return os.path.expanduser(value) def _package_name_option_check(option: Option, opt: str, value: str) -> str: return canonicalize_name(value) class PipOption(Option): TYPES = Option.TYPES + ("path", "package_name") TYPE_CHECKER = Option.TYPE_CHECKER.copy() TYPE_CHECKER["package_name"] = _package_name_option_check TYPE_CHECKER["path"] = _path_option_check ########### # options # ########### help_: Callable[..., Option] = partial( Option, "-h", "--help", dest="help", action="help", help="Show help.", ) debug_mode: Callable[..., Option] = partial( Option, "--debug", dest="debug_mode", action="store_true", default=False, help=( "Let unhandled exceptions propagate outside the main subroutine, " "instead of logging them to stderr." ), ) isolated_mode: Callable[..., Option] = partial( Option, "--isolated", dest="isolated_mode", action="store_true", default=False, help=( "Run pip in an isolated mode, ignoring environment variables and user " "configuration." ), ) require_virtualenv: Callable[..., Option] = partial( Option, # Run only if inside a virtualenv, bail if not. "--require-virtualenv", "--require-venv", dest="require_venv", action="store_true", default=False, help=SUPPRESS_HELP, ) verbose: Callable[..., Option] = partial( Option, "-v", "--verbose", dest="verbose", action="count", default=0, help="Give more output. Option is additive, and can be used up to 3 times.", ) no_color: Callable[..., Option] = partial( Option, "--no-color", dest="no_color", action="store_true", default=False, help="Suppress colored output.", ) version: Callable[..., Option] = partial( Option, "-V", "--version", dest="version", action="store_true", help="Show version and exit.", ) quiet: Callable[..., Option] = partial( Option, "-q", "--quiet", dest="quiet", action="count", default=0, help=( "Give less output. Option is additive, and can be used up to 3" " times (corresponding to WARNING, ERROR, and CRITICAL logging" " levels)." ), ) progress_bar: Callable[..., Option] = partial( Option, "--progress-bar", dest="progress_bar", type="choice", choices=list(BAR_TYPES.keys()), default="on", help=( "Specify type of progress to be displayed [" + "|".join(BAR_TYPES.keys()) + "] (default: %default)" ), ) log: Callable[..., Option] = partial( PipOption, "--log", "--log-file", "--local-log", dest="log", metavar="path", type="path", help="Path to a verbose appending log.", ) no_input: Callable[..., Option] = partial( Option, # Don't ask for input "--no-input", dest="no_input", action="store_true", default=False, help="Disable prompting for input.", ) proxy: Callable[..., Option] = partial( Option, "--proxy", dest="proxy", type="str", default="", help="Specify a proxy in the form [user:passwd@]proxy.server:port.", ) retries: Callable[..., Option] = partial( Option, "--retries", dest="retries", type="int", default=5, help="Maximum number of retries each connection should attempt " "(default %default times).", ) timeout: Callable[..., Option] = partial( Option, "--timeout", "--default-timeout", metavar="sec", dest="timeout", type="float", default=15, help="Set the socket timeout (default %default seconds).", ) def exists_action() -> Option: return Option( # Option when path already exist "--exists-action", dest="exists_action", type="choice", choices=["s", "i", "w", "b", "a"], default=[], action="append", metavar="action", help="Default action when a path already exists: " "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.", ) cert: Callable[..., Option] = partial( PipOption, "--cert", dest="cert", type="path", metavar="path", help=( "Path to PEM-encoded CA certificate bundle. " "If provided, overrides the default. " "See 'SSL Certificate Verification' in pip documentation " "for more information." ), ) client_cert: Callable[..., Option] = partial( PipOption, "--client-cert", dest="client_cert", type="path", default=None, metavar="path", help="Path to SSL client certificate, a single file containing the " "private key and the certificate in PEM format.", ) index_url: Callable[..., Option] = partial( Option, "-i", "--index-url", "--pypi-url", dest="index_url", metavar="URL", default=PyPI.simple_url, help="Base URL of the Python Package Index (default %default). " "This should point to a repository compliant with PEP 503 " "(the simple repository API) or a local directory laid out " "in the same format.", ) def extra_index_url() -> Option: return Option( "--extra-index-url", dest="extra_index_urls", metavar="URL", action="append", default=[], help="Extra URLs of package indexes to use in addition to " "--index-url. Should follow the same rules as " "--index-url.", ) no_index: Callable[..., Option] = partial( Option, "--no-index", dest="no_index", action="store_true", default=False, help="Ignore package index (only looking at --find-links URLs instead).", ) def find_links() -> Option: return Option( "-f", "--find-links", dest="find_links", action="append", default=[], metavar="url", help="If a URL or path to an html file, then parse for links to " "archives such as sdist (.tar.gz) or wheel (.whl) files. " "If a local path or file:// URL that's a directory, " "then look for archives in the directory listing. " "Links to VCS project URLs are not supported.", ) def trusted_host() -> Option: return Option( "--trusted-host", dest="trusted_hosts", action="append", metavar="HOSTNAME", default=[], help="Mark this host or host:port pair as trusted, even though it " "does not have valid or any HTTPS.", ) def constraints() -> Option: return Option( "-c", "--constraint", dest="constraints", action="append", default=[], metavar="file", help="Constrain versions using the given constraints file. " "This option can be used multiple times.", ) def requirements() -> Option: return Option( "-r", "--requirement", dest="requirements", action="append", default=[], metavar="file", help="Install from the given requirements file. " "This option can be used multiple times.", ) def editable() -> Option: return Option( "-e", "--editable", dest="editables", action="append", default=[], metavar="path/url", help=( "Install a project in editable mode (i.e. setuptools " '"develop mode") from a local project path or a VCS url.' ), ) def _handle_src(option: Option, opt_str: str, value: str, parser: OptionParser) -> None: value = os.path.abspath(value) setattr(parser.values, option.dest, value) src: Callable[..., Option] = partial( PipOption, "--src", "--source", "--source-dir", "--source-directory", dest="src_dir", type="path", metavar="dir", default=get_src_prefix(), action="callback", callback=_handle_src, help="Directory to check out editable projects into. " 'The default in a virtualenv is "<venv path>/src". ' 'The default for global installs is "<current dir>/src".', ) def _get_format_control(values: Values, option: Option) -> Any: """Get a format_control object.""" return getattr(values, option.dest) def _handle_no_binary( option: Option, opt_str: str, value: str, parser: OptionParser ) -> None: existing = _get_format_control(parser.values, option) FormatControl.handle_mutual_excludes( value, existing.no_binary, existing.only_binary, ) def _handle_only_binary( option: Option, opt_str: str, value: str, parser: OptionParser ) -> None: existing = _get_format_control(parser.values, option) FormatControl.handle_mutual_excludes( value, existing.only_binary, existing.no_binary, ) def no_binary() -> Option: format_control = FormatControl(set(), set()) return Option( "--no-binary", dest="format_control", action="callback", callback=_handle_no_binary, type="str", default=format_control, help="Do not use binary packages. Can be supplied multiple times, and " 'each time adds to the existing value. Accepts either ":all:" to ' 'disable all binary packages, ":none:" to empty the set (notice ' "the colons), or one or more package names with commas between " "them (no colons). Note that some packages are tricky to compile " "and may fail to install when this option is used on them.", ) def only_binary() -> Option: format_control = FormatControl(set(), set()) return Option( "--only-binary", dest="format_control", action="callback", callback=_handle_only_binary, type="str", default=format_control, help="Do not use source packages. Can be supplied multiple times, and " 'each time adds to the existing value. Accepts either ":all:" to ' 'disable all source packages, ":none:" to empty the set, or one ' "or more package names with commas between them. Packages " "without binary distributions will fail to install when this " "option is used on them.", ) platforms: Callable[..., Option] = partial( Option, "--platform", dest="platforms", metavar="platform", action="append", default=None, help=( "Only use wheels compatible with <platform>. Defaults to the " "platform of the running system. Use this option multiple times to " "specify multiple platforms supported by the target interpreter." ), ) # This was made a separate function for unit-testing purposes. def _convert_python_version(value: str) -> Tuple[Tuple[int, ...], Optional[str]]: """ Convert a version string like "3", "37", or "3.7.3" into a tuple of ints. :return: A 2-tuple (version_info, error_msg), where `error_msg` is non-None if and only if there was a parsing error. """ if not value: # The empty string is the same as not providing a value. return (None, None) parts = value.split(".") if len(parts) > 3: return ((), "at most three version parts are allowed") if len(parts) == 1: # Then we are in the case of "3" or "37". value = parts[0] if len(value) > 1: parts = [value[0], value[1:]] try: version_info = tuple(int(part) for part in parts) except ValueError: return ((), "each version part must be an integer") return (version_info, None) def _handle_python_version( option: Option, opt_str: str, value: str, parser: OptionParser ) -> None: """ Handle a provided --python-version value. """ version_info, error_msg = _convert_python_version(value) if error_msg is not None: msg = "invalid --python-version value: {!r}: {}".format( value, error_msg, ) raise_option_error(parser, option=option, msg=msg) parser.values.python_version = version_info python_version: Callable[..., Option] = partial( Option, "--python-version", dest="python_version", metavar="python_version", action="callback", callback=_handle_python_version, type="str", default=None, help=dedent( """\ The Python interpreter version to use for wheel and "Requires-Python" compatibility checks. Defaults to a version derived from the running interpreter. The version can be specified using up to three dot-separated integers (e.g. "3" for 3.0.0, "3.7" for 3.7.0, or "3.7.3"). A major-minor version can also be given as a string without dots (e.g. "37" for 3.7.0). """ ), ) implementation: Callable[..., Option] = partial( Option, "--implementation", dest="implementation", metavar="implementation", default=None, help=( "Only use wheels compatible with Python " "implementation <implementation>, e.g. 'pp', 'jy', 'cp', " " or 'ip'. If not specified, then the current " "interpreter implementation is used. Use 'py' to force " "implementation-agnostic wheels." ), ) abis: Callable[..., Option] = partial( Option, "--abi", dest="abis", metavar="abi", action="append", default=None, help=( "Only use wheels compatible with Python abi <abi>, e.g. 'pypy_41'. " "If not specified, then the current interpreter abi tag is used. " "Use this option multiple times to specify multiple abis supported " "by the target interpreter. Generally you will need to specify " "--implementation, --platform, and --python-version when using this " "option." ), ) def add_target_python_options(cmd_opts: OptionGroup) -> None: cmd_opts.add_option(platforms()) cmd_opts.add_option(python_version()) cmd_opts.add_option(implementation()) cmd_opts.add_option(abis()) def make_target_python(options: Values) -> TargetPython: target_python = TargetPython( platforms=options.platforms, py_version_info=options.python_version, abis=options.abis, implementation=options.implementation, ) return target_python def prefer_binary() -> Option: return Option( "--prefer-binary", dest="prefer_binary", action="store_true", default=False, help="Prefer older binary packages over newer source packages.", ) cache_dir: Callable[..., Option] = partial( PipOption, "--cache-dir", dest="cache_dir", default=USER_CACHE_DIR, metavar="dir", type="path", help="Store the cache data in <dir>.", ) def _handle_no_cache_dir( option: Option, opt: str, value: str, parser: OptionParser ) -> None: """ Process a value provided for the --no-cache-dir option. This is an optparse.Option callback for the --no-cache-dir option. """ # The value argument will be None if --no-cache-dir is passed via the # command-line, since the option doesn't accept arguments. However, # the value can be non-None if the option is triggered e.g. by an # environment variable, like PIP_NO_CACHE_DIR=true. if value is not None: # Then parse the string value to get argument error-checking. try: strtobool(value) except ValueError as exc: raise_option_error(parser, option=option, msg=str(exc)) # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool() # converted to 0 (like "false" or "no") caused cache_dir to be disabled # rather than enabled (logic would say the latter). Thus, we disable # the cache directory not just on values that parse to True, but (for # backwards compatibility reasons) also on values that parse to False. # In other words, always set it to False if the option is provided in # some (valid) form. parser.values.cache_dir = False no_cache: Callable[..., Option] = partial( Option, "--no-cache-dir", dest="cache_dir", action="callback", callback=_handle_no_cache_dir, help="Disable the cache.", ) no_deps: Callable[..., Option] = partial( Option, "--no-deps", "--no-dependencies", dest="ignore_dependencies", action="store_true", default=False, help="Don't install package dependencies.", ) ignore_requires_python: Callable[..., Option] = partial( Option, "--ignore-requires-python", dest="ignore_requires_python", action="store_true", help="Ignore the Requires-Python information.", ) no_build_isolation: Callable[..., Option] = partial( Option, "--no-build-isolation", dest="build_isolation", action="store_false", default=True, help="Disable isolation when building a modern source distribution. " "Build dependencies specified by PEP 518 must be already installed " "if this option is used.", ) def _handle_no_use_pep517( option: Option, opt: str, value: str, parser: OptionParser ) -> None: """ Process a value provided for the --no-use-pep517 option. This is an optparse.Option callback for the no_use_pep517 option. """ # Since --no-use-pep517 doesn't accept arguments, the value argument # will be None if --no-use-pep517 is passed via the command-line. # However, the value can be non-None if the option is triggered e.g. # by an environment variable, for example "PIP_NO_USE_PEP517=true". if value is not None: msg = """A value was passed for --no-use-pep517, probably using either the PIP_NO_USE_PEP517 environment variable or the "no-use-pep517" config file option. Use an appropriate value of the PIP_USE_PEP517 environment variable or the "use-pep517" config file option instead. """ raise_option_error(parser, option=option, msg=msg) # Otherwise, --no-use-pep517 was passed via the command-line. parser.values.use_pep517 = False use_pep517: Any = partial( Option, "--use-pep517", dest="use_pep517", action="store_true", default=None, help="Use PEP 517 for building source distributions " "(use --no-use-pep517 to force legacy behaviour).", ) no_use_pep517: Any = partial( Option, "--no-use-pep517", dest="use_pep517", action="callback", callback=_handle_no_use_pep517, default=None, help=SUPPRESS_HELP, ) install_options: Callable[..., Option] = partial( Option, "--install-option", dest="install_options", action="append", metavar="options", help="Extra arguments to be supplied to the setup.py install " 'command (use like --install-option="--install-scripts=/usr/local/' 'bin"). Use multiple --install-option options to pass multiple ' "options to setup.py install. If you are using an option with a " "directory path, be sure to use absolute path.", ) build_options: Callable[..., Option] = partial( Option, "--build-option", dest="build_options", metavar="options", action="append", help="Extra arguments to be supplied to 'setup.py bdist_wheel'.", ) global_options: Callable[..., Option] = partial( Option, "--global-option", dest="global_options", action="append", metavar="options", help="Extra global options to be supplied to the setup.py " "call before the install or bdist_wheel command.", ) no_clean: Callable[..., Option] = partial( Option, "--no-clean", action="store_true", default=False, help="Don't clean up build directories.", ) pre: Callable[..., Option] = partial( Option, "--pre", action="store_true", default=False, help="Include pre-release and development versions. By default, " "pip only finds stable versions.", ) disable_pip_version_check: Callable[..., Option] = partial( Option, "--disable-pip-version-check", dest="disable_pip_version_check", action="store_true", default=False, help="Don't periodically check PyPI to determine whether a new version " "of pip is available for download. Implied with --no-index.", ) def _handle_merge_hash( option: Option, opt_str: str, value: str, parser: OptionParser ) -> None: """Given a value spelled "algo:digest", append the digest to a list pointed to in a dict by the algo name.""" if not parser.values.hashes: parser.values.hashes = {} try: algo, digest = value.split(":", 1) except ValueError: parser.error( "Arguments to {} must be a hash name " # noqa "followed by a value, like --hash=sha256:" "abcde...".format(opt_str) ) if algo not in STRONG_HASHES: parser.error( "Allowed hash algorithms for {} are {}.".format( # noqa opt_str, ", ".join(STRONG_HASHES) ) ) parser.values.hashes.setdefault(algo, []).append(digest) hash: Callable[..., Option] = partial( Option, "--hash", # Hash values eventually end up in InstallRequirement.hashes due to # __dict__ copying in process_line(). dest="hashes", action="callback", callback=_handle_merge_hash, type="string", help="Verify that the package's archive matches this " "hash before installing. Example: --hash=sha256:abcdef...", ) require_hashes: Callable[..., Option] = partial( Option, "--require-hashes", dest="require_hashes", action="store_true", default=False, help="Require a hash to check each requirement against, for " "repeatable installs. This option is implied when any package in a " "requirements file has a --hash option.", ) list_path: Callable[..., Option] = partial( PipOption, "--path", dest="path", type="path", action="append", help="Restrict to the specified installation path for listing " "packages (can be used multiple times).", ) def check_list_path_option(options: Values) -> None: if options.path and (options.user or options.local): raise CommandError("Cannot combine '--path' with '--user' or '--local'") list_exclude: Callable[..., Option] = partial( PipOption, "--exclude", dest="excludes", action="append", metavar="package", type="package_name", help="Exclude specified package from the output", ) no_python_version_warning: Callable[..., Option] = partial( Option, "--no-python-version-warning", dest="no_python_version_warning", action="store_true", default=False, help="Silence deprecation warnings for upcoming unsupported Pythons.", ) use_new_feature: Callable[..., Option] = partial( Option, "--use-feature", dest="features_enabled", metavar="feature", action="append", default=[], choices=["2020-resolver", "fast-deps", "in-tree-build"], help="Enable new functionality, that may be backward incompatible.", ) use_deprecated_feature: Callable[..., Option] = partial( Option, "--use-deprecated", dest="deprecated_features_enabled", metavar="feature", action="append", default=[], choices=["legacy-resolver", "out-of-tree-build"], help=("Enable deprecated functionality, that will be removed in the future."), ) ########## # groups # ########## general_group: Dict[str, Any] = { "name": "General Options", "options": [ help_, debug_mode, isolated_mode, require_virtualenv, verbose, version, quiet, log, no_input, proxy, retries, timeout, exists_action, trusted_host, cert, client_cert, cache_dir, no_cache, disable_pip_version_check, no_color, no_python_version_warning, use_new_feature, use_deprecated_feature, ], } index_group: Dict[str, Any] = { "name": "Package Index Options", "options": [ index_url, extra_index_url, no_index, find_links, ], } _internal/cli/command_context.py 0000644 00000001370 15114542001 0013014 0 ustar 00 from contextlib import ExitStack, contextmanager from typing import ContextManager, Iterator, TypeVar _T = TypeVar("_T", covariant=True) class CommandContextMixIn: def __init__(self) -> None: super().__init__() self._in_main_context = False self._main_context = ExitStack() @contextmanager def main_context(self) -> Iterator[None]: assert not self._in_main_context self._in_main_context = True try: with self._main_context: yield finally: self._in_main_context = False def enter_context(self, context_provider: ContextManager[_T]) -> _T: assert self._in_main_context return self._main_context.enter_context(context_provider) _internal/cli/main.py 0000644 00000004650 15114542001 0010562 0 ustar 00 """Primary application entrypoint. """ import locale import logging import os import sys from typing import List, Optional from pip._internal.cli.autocompletion import autocomplete from pip._internal.cli.main_parser import parse_command from pip._internal.commands import create_command from pip._internal.exceptions import PipError from pip._internal.utils import deprecation logger = logging.getLogger(__name__) # Do not import and use main() directly! Using it directly is actively # discouraged by pip's maintainers. The name, location and behavior of # this function is subject to change, so calling it directly is not # portable across different pip versions. # In addition, running pip in-process is unsupported and unsafe. This is # elaborated in detail at # https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program. # That document also provides suggestions that should work for nearly # all users that are considering importing and using main() directly. # However, we know that certain users will still want to invoke pip # in-process. If you understand and accept the implications of using pip # in an unsupported manner, the best approach is to use runpy to avoid # depending on the exact location of this entry point. # The following example shows how to use runpy to invoke pip in that # case: # # sys.argv = ["pip", your, args, here] # runpy.run_module("pip", run_name="__main__") # # Note that this will exit the process after running, unlike a direct # call to main. As it is not safe to do any processing after calling # main, this should not be an issue in practice. def main(args: Optional[List[str]] = None) -> int: if args is None: args = sys.argv[1:] # Configure our deprecation warnings to be sent through loggers deprecation.install_warning_logger() autocomplete() try: cmd_name, cmd_args = parse_command(args) except PipError as exc: sys.stderr.write(f"ERROR: {exc}") sys.stderr.write(os.linesep) sys.exit(1) # Needed for locale.getpreferredencoding(False) to work # in pip._internal.utils.encoding.auto_decode try: locale.setlocale(locale.LC_ALL, "") except locale.Error as e: # setlocale can apparently crash if locale are uninitialized logger.debug("Ignoring error %s when setting locale", e) command = create_command(cmd_name, isolated=("--isolated" in cmd_args)) return command.main(cmd_args) _internal/cli/main_parser.py 0000644 00000005066 15114542001 0012140 0 ustar 00 """A single place for constructing and exposing the main parser """ import os import sys from typing import List, Tuple from pip._internal.cli import cmdoptions from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter from pip._internal.commands import commands_dict, get_similar_commands from pip._internal.exceptions import CommandError from pip._internal.utils.misc import get_pip_version, get_prog __all__ = ["create_main_parser", "parse_command"] def create_main_parser() -> ConfigOptionParser: """Creates and returns the main parser for pip's CLI""" parser = ConfigOptionParser( usage="\n%prog <command> [options]", add_help_option=False, formatter=UpdatingDefaultsHelpFormatter(), name="global", prog=get_prog(), ) parser.disable_interspersed_args() parser.version = get_pip_version() # add the general options gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser) parser.add_option_group(gen_opts) # so the help formatter knows parser.main = True # type: ignore # create command listing for description description = [""] + [ f"{name:27} {command_info.summary}" for name, command_info in commands_dict.items() ] parser.description = "\n".join(description) return parser def parse_command(args: List[str]) -> Tuple[str, List[str]]: parser = create_main_parser() # Note: parser calls disable_interspersed_args(), so the result of this # call is to split the initial args into the general options before the # subcommand and everything else. # For example: # args: ['--timeout=5', 'install', '--user', 'INITools'] # general_options: ['--timeout==5'] # args_else: ['install', '--user', 'INITools'] general_options, args_else = parser.parse_args(args) # --version if general_options.version: sys.stdout.write(parser.version) sys.stdout.write(os.linesep) sys.exit() # pip || pip help -> print_help() if not args_else or (args_else[0] == "help" and len(args_else) == 1): parser.print_help() sys.exit() # the subcommand name cmd_name = args_else[0] if cmd_name not in commands_dict: guess = get_similar_commands(cmd_name) msg = [f'unknown command "{cmd_name}"'] if guess: msg.append(f'maybe you meant "{guess}"') raise CommandError(" - ".join(msg)) # all the args without the subcommand cmd_args = args[:] cmd_args.remove(cmd_name) return cmd_name, cmd_args _internal/cli/parser.py 0000644 00000025044 15114542001 0011132 0 ustar 00 """Base option parser setup""" import logging import optparse import shutil import sys import textwrap from contextlib import suppress from typing import Any, Dict, Iterator, List, Tuple from pip._internal.cli.status_codes import UNKNOWN_ERROR from pip._internal.configuration import Configuration, ConfigurationError from pip._internal.utils.misc import redact_auth_from_url, strtobool logger = logging.getLogger(__name__) class PrettyHelpFormatter(optparse.IndentedHelpFormatter): """A prettier/less verbose help formatter for optparse.""" def __init__(self, *args: Any, **kwargs: Any) -> None: # help position must be aligned with __init__.parseopts.description kwargs["max_help_position"] = 30 kwargs["indent_increment"] = 1 kwargs["width"] = shutil.get_terminal_size()[0] - 2 super().__init__(*args, **kwargs) def format_option_strings(self, option: optparse.Option) -> str: return self._format_option_strings(option) def _format_option_strings( self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", " ) -> str: """ Return a comma-separated list of option strings and metavars. :param option: tuple of (short opt, long opt), e.g: ('-f', '--format') :param mvarfmt: metavar format string :param optsep: separator """ opts = [] if option._short_opts: opts.append(option._short_opts[0]) if option._long_opts: opts.append(option._long_opts[0]) if len(opts) > 1: opts.insert(1, optsep) if option.takes_value(): assert option.dest is not None metavar = option.metavar or option.dest.lower() opts.append(mvarfmt.format(metavar.lower())) return "".join(opts) def format_heading(self, heading: str) -> str: if heading == "Options": return "" return heading + ":\n" def format_usage(self, usage: str) -> str: """ Ensure there is only one newline between usage and the first heading if there is no description. """ msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), " ")) return msg def format_description(self, description: str) -> str: # leave full control over description to us if description: if hasattr(self.parser, "main"): label = "Commands" else: label = "Description" # some doc strings have initial newlines, some don't description = description.lstrip("\n") # some doc strings have final newlines and spaces, some don't description = description.rstrip() # dedent, then reindent description = self.indent_lines(textwrap.dedent(description), " ") description = f"{label}:\n{description}\n" return description else: return "" def format_epilog(self, epilog: str) -> str: # leave full control over epilog to us if epilog: return epilog else: return "" def indent_lines(self, text: str, indent: str) -> str: new_lines = [indent + line for line in text.split("\n")] return "\n".join(new_lines) class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter): """Custom help formatter for use in ConfigOptionParser. This is updates the defaults before expanding them, allowing them to show up correctly in the help listing. Also redact auth from url type options """ def expand_default(self, option: optparse.Option) -> str: default_values = None if self.parser is not None: assert isinstance(self.parser, ConfigOptionParser) self.parser._update_defaults(self.parser.defaults) assert option.dest is not None default_values = self.parser.defaults.get(option.dest) help_text = super().expand_default(option) if default_values and option.metavar == "URL": if isinstance(default_values, str): default_values = [default_values] # If its not a list, we should abort and just return the help text if not isinstance(default_values, list): default_values = [] for val in default_values: help_text = help_text.replace(val, redact_auth_from_url(val)) return help_text class CustomOptionParser(optparse.OptionParser): def insert_option_group( self, idx: int, *args: Any, **kwargs: Any ) -> optparse.OptionGroup: """Insert an OptionGroup at a given position.""" group = self.add_option_group(*args, **kwargs) self.option_groups.pop() self.option_groups.insert(idx, group) return group @property def option_list_all(self) -> List[optparse.Option]: """Get a list of all options, including those in option groups.""" res = self.option_list[:] for i in self.option_groups: res.extend(i.option_list) return res class ConfigOptionParser(CustomOptionParser): """Custom option parser which updates its defaults by checking the configuration files and environmental variables""" def __init__( self, *args: Any, name: str, isolated: bool = False, **kwargs: Any, ) -> None: self.name = name self.config = Configuration(isolated) assert self.name super().__init__(*args, **kwargs) def check_default(self, option: optparse.Option, key: str, val: Any) -> Any: try: return option.check_value(key, val) except optparse.OptionValueError as exc: print(f"An error occurred during configuration: {exc}") sys.exit(3) def _get_ordered_configuration_items(self) -> Iterator[Tuple[str, Any]]: # Configuration gives keys in an unordered manner. Order them. override_order = ["global", self.name, ":env:"] # Pool the options into different groups section_items: Dict[str, List[Tuple[str, Any]]] = { name: [] for name in override_order } for section_key, val in self.config.items(): # ignore empty values if not val: logger.debug( "Ignoring configuration key '%s' as it's value is empty.", section_key, ) continue section, key = section_key.split(".", 1) if section in override_order: section_items[section].append((key, val)) # Yield each group in their override order for section in override_order: for key, val in section_items[section]: yield key, val def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]: """Updates the given defaults with values from the config files and the environ. Does a little special handling for certain types of options (lists).""" # Accumulate complex default state. self.values = optparse.Values(self.defaults) late_eval = set() # Then set the options with those values for key, val in self._get_ordered_configuration_items(): # '--' because configuration supports only long names option = self.get_option("--" + key) # Ignore options not present in this parser. E.g. non-globals put # in [global] by users that want them to apply to all applicable # commands. if option is None: continue assert option.dest is not None if option.action in ("store_true", "store_false"): try: val = strtobool(val) except ValueError: self.error( "{} is not a valid value for {} option, " # noqa "please specify a boolean value like yes/no, " "true/false or 1/0 instead.".format(val, key) ) elif option.action == "count": with suppress(ValueError): val = strtobool(val) with suppress(ValueError): val = int(val) if not isinstance(val, int) or val < 0: self.error( "{} is not a valid value for {} option, " # noqa "please instead specify either a non-negative integer " "or a boolean value like yes/no or false/true " "which is equivalent to 1/0.".format(val, key) ) elif option.action == "append": val = val.split() val = [self.check_default(option, key, v) for v in val] elif option.action == "callback": assert option.callback is not None late_eval.add(option.dest) opt_str = option.get_opt_string() val = option.convert_value(opt_str, val) # From take_action args = option.callback_args or () kwargs = option.callback_kwargs or {} option.callback(option, opt_str, val, self, *args, **kwargs) else: val = self.check_default(option, key, val) defaults[option.dest] = val for key in late_eval: defaults[key] = getattr(self.values, key) self.values = None return defaults def get_default_values(self) -> optparse.Values: """Overriding to make updating the defaults after instantiation of the option parser possible, _update_defaults() does the dirty work.""" if not self.process_default_values: # Old, pre-Optik 1.5 behaviour. return optparse.Values(self.defaults) # Load the configuration, or error out in case of an error try: self.config.load() except ConfigurationError as err: self.exit(UNKNOWN_ERROR, str(err)) defaults = self._update_defaults(self.defaults.copy()) # ours for option in self._get_all_options(): assert option.dest is not None default = defaults.get(option.dest) if isinstance(default, str): opt_str = option.get_opt_string() defaults[option.dest] = option.check_value(opt_str, default) return optparse.Values(defaults) def error(self, msg: str) -> None: self.print_usage(sys.stderr) self.exit(UNKNOWN_ERROR, f"{msg}\n") _internal/cli/progress_bars.py 0000644 00000020154 15114542001 0012506 0 ustar 00 import itertools import sys from signal import SIGINT, default_int_handler, signal from typing import Any from pip._vendor.progress.bar import Bar, FillingCirclesBar, IncrementalBar from pip._vendor.progress.spinner import Spinner from pip._internal.utils.compat import WINDOWS from pip._internal.utils.logging import get_indentation from pip._internal.utils.misc import format_size try: from pip._vendor import colorama # Lots of different errors can come from this, including SystemError and # ImportError. except Exception: colorama = None def _select_progress_class(preferred: Bar, fallback: Bar) -> Bar: encoding = getattr(preferred.file, "encoding", None) # If we don't know what encoding this file is in, then we'll just assume # that it doesn't support unicode and use the ASCII bar. if not encoding: return fallback # Collect all of the possible characters we want to use with the preferred # bar. characters = [ getattr(preferred, "empty_fill", ""), getattr(preferred, "fill", ""), ] characters += list(getattr(preferred, "phases", [])) # Try to decode the characters we're using for the bar using the encoding # of the given file, if this works then we'll assume that we can use the # fancier bar and if not we'll fall back to the plaintext bar. try: "".join(characters).encode(encoding) except UnicodeEncodeError: return fallback else: return preferred _BaseBar: Any = _select_progress_class(IncrementalBar, Bar) class InterruptibleMixin: """ Helper to ensure that self.finish() gets called on keyboard interrupt. This allows downloads to be interrupted without leaving temporary state (like hidden cursors) behind. This class is similar to the progress library's existing SigIntMixin helper, but as of version 1.2, that helper has the following problems: 1. It calls sys.exit(). 2. It discards the existing SIGINT handler completely. 3. It leaves its own handler in place even after an uninterrupted finish, which will have unexpected delayed effects if the user triggers an unrelated keyboard interrupt some time after a progress-displaying download has already completed, for example. """ def __init__(self, *args: Any, **kwargs: Any) -> None: """ Save the original SIGINT handler for later. """ # https://github.com/python/mypy/issues/5887 super().__init__(*args, **kwargs) # type: ignore self.original_handler = signal(SIGINT, self.handle_sigint) # If signal() returns None, the previous handler was not installed from # Python, and we cannot restore it. This probably should not happen, # but if it does, we must restore something sensible instead, at least. # The least bad option should be Python's default SIGINT handler, which # just raises KeyboardInterrupt. if self.original_handler is None: self.original_handler = default_int_handler def finish(self) -> None: """ Restore the original SIGINT handler after finishing. This should happen regardless of whether the progress display finishes normally, or gets interrupted. """ super().finish() # type: ignore signal(SIGINT, self.original_handler) def handle_sigint(self, signum, frame): # type: ignore """ Call self.finish() before delegating to the original SIGINT handler. This handler should only be in place while the progress display is active. """ self.finish() self.original_handler(signum, frame) class SilentBar(Bar): def update(self) -> None: pass class BlueEmojiBar(IncrementalBar): suffix = "%(percent)d%%" bar_prefix = " " bar_suffix = " " phases = ("\U0001F539", "\U0001F537", "\U0001F535") class DownloadProgressMixin: def __init__(self, *args: Any, **kwargs: Any) -> None: # https://github.com/python/mypy/issues/5887 super().__init__(*args, **kwargs) # type: ignore self.message: str = (" " * (get_indentation() + 2)) + self.message @property def downloaded(self) -> str: return format_size(self.index) # type: ignore @property def download_speed(self) -> str: # Avoid zero division errors... if self.avg == 0.0: # type: ignore return "..." return format_size(1 / self.avg) + "/s" # type: ignore @property def pretty_eta(self) -> str: if self.eta: # type: ignore return f"eta {self.eta_td}" # type: ignore return "" def iter(self, it): # type: ignore for x in it: yield x # B305 is incorrectly raised here # https://github.com/PyCQA/flake8-bugbear/issues/59 self.next(len(x)) # noqa: B305 self.finish() class WindowsMixin: def __init__(self, *args: Any, **kwargs: Any) -> None: # The Windows terminal does not support the hide/show cursor ANSI codes # even with colorama. So we'll ensure that hide_cursor is False on # Windows. # This call needs to go before the super() call, so that hide_cursor # is set in time. The base progress bar class writes the "hide cursor" # code to the terminal in its init, so if we don't set this soon # enough, we get a "hide" with no corresponding "show"... if WINDOWS and self.hide_cursor: # type: ignore self.hide_cursor = False # https://github.com/python/mypy/issues/5887 super().__init__(*args, **kwargs) # type: ignore # Check if we are running on Windows and we have the colorama module, # if we do then wrap our file with it. if WINDOWS and colorama: self.file = colorama.AnsiToWin32(self.file) # type: ignore # The progress code expects to be able to call self.file.isatty() # but the colorama.AnsiToWin32() object doesn't have that, so we'll # add it. self.file.isatty = lambda: self.file.wrapped.isatty() # The progress code expects to be able to call self.file.flush() # but the colorama.AnsiToWin32() object doesn't have that, so we'll # add it. self.file.flush = lambda: self.file.wrapped.flush() class BaseDownloadProgressBar(WindowsMixin, InterruptibleMixin, DownloadProgressMixin): file = sys.stdout message = "%(percent)d%%" suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s" class DefaultDownloadProgressBar(BaseDownloadProgressBar, _BaseBar): pass class DownloadSilentBar(BaseDownloadProgressBar, SilentBar): pass class DownloadBar(BaseDownloadProgressBar, Bar): pass class DownloadFillingCirclesBar(BaseDownloadProgressBar, FillingCirclesBar): pass class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar, BlueEmojiBar): pass class DownloadProgressSpinner( WindowsMixin, InterruptibleMixin, DownloadProgressMixin, Spinner ): file = sys.stdout suffix = "%(downloaded)s %(download_speed)s" def next_phase(self) -> str: if not hasattr(self, "_phaser"): self._phaser = itertools.cycle(self.phases) return next(self._phaser) def update(self) -> None: message = self.message % self phase = self.next_phase() suffix = self.suffix % self line = "".join( [ message, " " if message else "", phase, " " if suffix else "", suffix, ] ) self.writeln(line) BAR_TYPES = { "off": (DownloadSilentBar, DownloadSilentBar), "on": (DefaultDownloadProgressBar, DownloadProgressSpinner), "ascii": (DownloadBar, DownloadProgressSpinner), "pretty": (DownloadFillingCirclesBar, DownloadProgressSpinner), "emoji": (DownloadBlueEmojiProgressBar, DownloadProgressSpinner), } def DownloadProgressProvider(progress_bar, max=None): # type: ignore if max is None or max == 0: return BAR_TYPES[progress_bar][1]().iter else: return BAR_TYPES[progress_bar][0](max=max).iter _internal/cli/req_command.py 0000644 00000041311 15114542001 0012116 0 ustar 00 """Contains the Command base classes that depend on PipSession. The classes in this module are in a separate module so the commands not needing download / PackageFinder capability don't unnecessarily import the PackageFinder machinery and all its vendored dependencies, etc. """ import logging import os import sys from functools import partial from optparse import Values from typing import Any, List, Optional, Tuple from pip._internal.cache import WheelCache from pip._internal.cli import cmdoptions from pip._internal.cli.base_command import Command from pip._internal.cli.command_context import CommandContextMixIn from pip._internal.exceptions import CommandError, PreviousBuildDirError from pip._internal.index.collector import LinkCollector from pip._internal.index.package_finder import PackageFinder from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.models.target_python import TargetPython from pip._internal.network.session import PipSession from pip._internal.operations.prepare import RequirementPreparer from pip._internal.req.constructors import ( install_req_from_editable, install_req_from_line, install_req_from_parsed_requirement, install_req_from_req_string, ) from pip._internal.req.req_file import parse_requirements from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_tracker import RequirementTracker from pip._internal.resolution.base import BaseResolver from pip._internal.self_outdated_check import pip_self_version_check from pip._internal.utils.deprecation import deprecated from pip._internal.utils.temp_dir import ( TempDirectory, TempDirectoryTypeRegistry, tempdir_kinds, ) from pip._internal.utils.virtualenv import running_under_virtualenv logger = logging.getLogger(__name__) class SessionCommandMixin(CommandContextMixIn): """ A class mixin for command classes needing _build_session(). """ def __init__(self) -> None: super().__init__() self._session: Optional[PipSession] = None @classmethod def _get_index_urls(cls, options: Values) -> Optional[List[str]]: """Return a list of index urls from user-provided options.""" index_urls = [] if not getattr(options, "no_index", False): url = getattr(options, "index_url", None) if url: index_urls.append(url) urls = getattr(options, "extra_index_urls", None) if urls: index_urls.extend(urls) # Return None rather than an empty list return index_urls or None def get_default_session(self, options: Values) -> PipSession: """Get a default-managed session.""" if self._session is None: self._session = self.enter_context(self._build_session(options)) # there's no type annotation on requests.Session, so it's # automatically ContextManager[Any] and self._session becomes Any, # then https://github.com/python/mypy/issues/7696 kicks in assert self._session is not None return self._session def _build_session( self, options: Values, retries: Optional[int] = None, timeout: Optional[int] = None, ) -> PipSession: assert not options.cache_dir or os.path.isabs(options.cache_dir) session = PipSession( cache=( os.path.join(options.cache_dir, "http") if options.cache_dir else None ), retries=retries if retries is not None else options.retries, trusted_hosts=options.trusted_hosts, index_urls=self._get_index_urls(options), ) # Handle custom ca-bundles from the user if options.cert: session.verify = options.cert # Handle SSL client certificate if options.client_cert: session.cert = options.client_cert # Handle timeouts if options.timeout or timeout: session.timeout = timeout if timeout is not None else options.timeout # Handle configured proxies if options.proxy: session.proxies = { "http": options.proxy, "https": options.proxy, } # Determine if we can prompt the user for authentication or not session.auth.prompting = not options.no_input return session class IndexGroupCommand(Command, SessionCommandMixin): """ Abstract base class for commands with the index_group options. This also corresponds to the commands that permit the pip version check. """ def handle_pip_version_check(self, options: Values) -> None: """ Do the pip version check if not disabled. This overrides the default behavior of not doing the check. """ # Make sure the index_group options are present. assert hasattr(options, "no_index") if options.disable_pip_version_check or options.no_index: return # Otherwise, check if we're using the latest version of pip available. session = self._build_session( options, retries=0, timeout=min(5, options.timeout) ) with session: pip_self_version_check(session, options) KEEPABLE_TEMPDIR_TYPES = [ tempdir_kinds.BUILD_ENV, tempdir_kinds.EPHEM_WHEEL_CACHE, tempdir_kinds.REQ_BUILD, ] def warn_if_run_as_root() -> None: """Output a warning for sudo users on Unix. In a virtual environment, sudo pip still writes to virtualenv. On Windows, users may run pip as Administrator without issues. This warning only applies to Unix root users outside of virtualenv. """ if running_under_virtualenv(): return if not hasattr(os, "getuid"): return # On Windows, there are no "system managed" Python packages. Installing as # Administrator via pip is the correct way of updating system environments. # # We choose sys.platform over utils.compat.WINDOWS here to enable Mypy platform # checks: https://mypy.readthedocs.io/en/stable/common_issues.html if sys.platform == "win32" or sys.platform == "cygwin": return if os.getuid() != 0: return logger.warning( "Running pip as the 'root' user can result in broken permissions and " "conflicting behaviour with the system package manager. " "It is recommended to use a virtual environment instead: " "https://pip.pypa.io/warnings/venv" ) def with_cleanup(func: Any) -> Any: """Decorator for common logic related to managing temporary directories. """ def configure_tempdir_registry(registry: TempDirectoryTypeRegistry) -> None: for t in KEEPABLE_TEMPDIR_TYPES: registry.set_delete(t, False) def wrapper( self: RequirementCommand, options: Values, args: List[Any] ) -> Optional[int]: assert self.tempdir_registry is not None if options.no_clean: configure_tempdir_registry(self.tempdir_registry) try: return func(self, options, args) except PreviousBuildDirError: # This kind of conflict can occur when the user passes an explicit # build directory with a pre-existing folder. In that case we do # not want to accidentally remove it. configure_tempdir_registry(self.tempdir_registry) raise return wrapper class RequirementCommand(IndexGroupCommand): def __init__(self, *args: Any, **kw: Any) -> None: super().__init__(*args, **kw) self.cmd_opts.add_option(cmdoptions.no_clean()) @staticmethod def determine_resolver_variant(options: Values) -> str: """Determines which resolver should be used, based on the given options.""" if "legacy-resolver" in options.deprecated_features_enabled: return "legacy" return "2020-resolver" @classmethod def make_requirement_preparer( cls, temp_build_dir: TempDirectory, options: Values, req_tracker: RequirementTracker, session: PipSession, finder: PackageFinder, use_user_site: bool, download_dir: Optional[str] = None, ) -> RequirementPreparer: """ Create a RequirementPreparer instance for the given parameters. """ temp_build_dir_path = temp_build_dir.path assert temp_build_dir_path is not None resolver_variant = cls.determine_resolver_variant(options) if resolver_variant == "2020-resolver": lazy_wheel = "fast-deps" in options.features_enabled if lazy_wheel: logger.warning( "pip is using lazily downloaded wheels using HTTP " "range requests to obtain dependency information. " "This experimental feature is enabled through " "--use-feature=fast-deps and it is not ready for " "production." ) else: lazy_wheel = False if "fast-deps" in options.features_enabled: logger.warning( "fast-deps has no effect when used with the legacy resolver." ) in_tree_build = "out-of-tree-build" not in options.deprecated_features_enabled if "in-tree-build" in options.features_enabled: deprecated( reason="In-tree builds are now the default.", replacement="to remove the --use-feature=in-tree-build flag", gone_in="22.1", ) if "out-of-tree-build" in options.deprecated_features_enabled: deprecated( reason="Out-of-tree builds are deprecated.", replacement=None, gone_in="22.1", ) return RequirementPreparer( build_dir=temp_build_dir_path, src_dir=options.src_dir, download_dir=download_dir, build_isolation=options.build_isolation, req_tracker=req_tracker, session=session, progress_bar=options.progress_bar, finder=finder, require_hashes=options.require_hashes, use_user_site=use_user_site, lazy_wheel=lazy_wheel, in_tree_build=in_tree_build, ) @classmethod def make_resolver( cls, preparer: RequirementPreparer, finder: PackageFinder, options: Values, wheel_cache: Optional[WheelCache] = None, use_user_site: bool = False, ignore_installed: bool = True, ignore_requires_python: bool = False, force_reinstall: bool = False, upgrade_strategy: str = "to-satisfy-only", use_pep517: Optional[bool] = None, py_version_info: Optional[Tuple[int, ...]] = None, ) -> BaseResolver: """ Create a Resolver instance for the given parameters. """ make_install_req = partial( install_req_from_req_string, isolated=options.isolated_mode, use_pep517=use_pep517, ) resolver_variant = cls.determine_resolver_variant(options) # The long import name and duplicated invocation is needed to convince # Mypy into correctly typechecking. Otherwise it would complain the # "Resolver" class being redefined. if resolver_variant == "2020-resolver": import pip._internal.resolution.resolvelib.resolver return pip._internal.resolution.resolvelib.resolver.Resolver( preparer=preparer, finder=finder, wheel_cache=wheel_cache, make_install_req=make_install_req, use_user_site=use_user_site, ignore_dependencies=options.ignore_dependencies, ignore_installed=ignore_installed, ignore_requires_python=ignore_requires_python, force_reinstall=force_reinstall, upgrade_strategy=upgrade_strategy, py_version_info=py_version_info, ) import pip._internal.resolution.legacy.resolver return pip._internal.resolution.legacy.resolver.Resolver( preparer=preparer, finder=finder, wheel_cache=wheel_cache, make_install_req=make_install_req, use_user_site=use_user_site, ignore_dependencies=options.ignore_dependencies, ignore_installed=ignore_installed, ignore_requires_python=ignore_requires_python, force_reinstall=force_reinstall, upgrade_strategy=upgrade_strategy, py_version_info=py_version_info, ) def get_requirements( self, args: List[str], options: Values, finder: PackageFinder, session: PipSession, ) -> List[InstallRequirement]: """ Parse command-line arguments into the corresponding requirements. """ requirements: List[InstallRequirement] = [] for filename in options.constraints: for parsed_req in parse_requirements( filename, constraint=True, finder=finder, options=options, session=session, ): req_to_add = install_req_from_parsed_requirement( parsed_req, isolated=options.isolated_mode, user_supplied=False, ) requirements.append(req_to_add) for req in args: req_to_add = install_req_from_line( req, None, isolated=options.isolated_mode, use_pep517=options.use_pep517, user_supplied=True, ) requirements.append(req_to_add) for req in options.editables: req_to_add = install_req_from_editable( req, user_supplied=True, isolated=options.isolated_mode, use_pep517=options.use_pep517, ) requirements.append(req_to_add) # NOTE: options.require_hashes may be set if --require-hashes is True for filename in options.requirements: for parsed_req in parse_requirements( filename, finder=finder, options=options, session=session ): req_to_add = install_req_from_parsed_requirement( parsed_req, isolated=options.isolated_mode, use_pep517=options.use_pep517, user_supplied=True, ) requirements.append(req_to_add) # If any requirement has hash options, enable hash checking. if any(req.has_hash_options for req in requirements): options.require_hashes = True if not (args or options.editables or options.requirements): opts = {"name": self.name} if options.find_links: raise CommandError( "You must give at least one requirement to {name} " '(maybe you meant "pip {name} {links}"?)'.format( **dict(opts, links=" ".join(options.find_links)) ) ) else: raise CommandError( "You must give at least one requirement to {name} " '(see "pip help {name}")'.format(**opts) ) return requirements @staticmethod def trace_basic_info(finder: PackageFinder) -> None: """ Trace basic information about the provided objects. """ # Display where finder is looking for packages search_scope = finder.search_scope locations = search_scope.get_formatted_locations() if locations: logger.info(locations) def _build_package_finder( self, options: Values, session: PipSession, target_python: Optional[TargetPython] = None, ignore_requires_python: Optional[bool] = None, ) -> PackageFinder: """ Create a package finder appropriate to this requirement command. :param ignore_requires_python: Whether to ignore incompatible "Requires-Python" values in links. Defaults to False. """ link_collector = LinkCollector.create(session, options=options) selection_prefs = SelectionPreferences( allow_yanked=True, format_control=options.format_control, allow_all_prereleases=options.pre, prefer_binary=options.prefer_binary, ignore_requires_python=ignore_requires_python, ) return PackageFinder.create( link_collector=link_collector, selection_prefs=selection_prefs, target_python=target_python, ) _internal/cli/spinners.py 0000644 00000011724 15114542001 0011477 0 ustar 00 import contextlib import itertools import logging import sys import time from typing import IO, Iterator from pip._vendor.progress import HIDE_CURSOR, SHOW_CURSOR from pip._internal.utils.compat import WINDOWS from pip._internal.utils.logging import get_indentation logger = logging.getLogger(__name__) class SpinnerInterface: def spin(self) -> None: raise NotImplementedError() def finish(self, final_status: str) -> None: raise NotImplementedError() class InteractiveSpinner(SpinnerInterface): def __init__( self, message: str, file: IO[str] = None, spin_chars: str = "-\\|/", # Empirically, 8 updates/second looks nice min_update_interval_seconds: float = 0.125, ): self._message = message if file is None: file = sys.stdout self._file = file self._rate_limiter = RateLimiter(min_update_interval_seconds) self._finished = False self._spin_cycle = itertools.cycle(spin_chars) self._file.write(" " * get_indentation() + self._message + " ... ") self._width = 0 def _write(self, status: str) -> None: assert not self._finished # Erase what we wrote before by backspacing to the beginning, writing # spaces to overwrite the old text, and then backspacing again backup = "\b" * self._width self._file.write(backup + " " * self._width + backup) # Now we have a blank slate to add our status self._file.write(status) self._width = len(status) self._file.flush() self._rate_limiter.reset() def spin(self) -> None: if self._finished: return if not self._rate_limiter.ready(): return self._write(next(self._spin_cycle)) def finish(self, final_status: str) -> None: if self._finished: return self._write(final_status) self._file.write("\n") self._file.flush() self._finished = True # Used for dumb terminals, non-interactive installs (no tty), etc. # We still print updates occasionally (once every 60 seconds by default) to # act as a keep-alive for systems like Travis-CI that take lack-of-output as # an indication that a task has frozen. class NonInteractiveSpinner(SpinnerInterface): def __init__(self, message: str, min_update_interval_seconds: float = 60.0) -> None: self._message = message self._finished = False self._rate_limiter = RateLimiter(min_update_interval_seconds) self._update("started") def _update(self, status: str) -> None: assert not self._finished self._rate_limiter.reset() logger.info("%s: %s", self._message, status) def spin(self) -> None: if self._finished: return if not self._rate_limiter.ready(): return self._update("still running...") def finish(self, final_status: str) -> None: if self._finished: return self._update(f"finished with status '{final_status}'") self._finished = True class RateLimiter: def __init__(self, min_update_interval_seconds: float) -> None: self._min_update_interval_seconds = min_update_interval_seconds self._last_update: float = 0 def ready(self) -> bool: now = time.time() delta = now - self._last_update return delta >= self._min_update_interval_seconds def reset(self) -> None: self._last_update = time.time() @contextlib.contextmanager def open_spinner(message: str) -> Iterator[SpinnerInterface]: # Interactive spinner goes directly to sys.stdout rather than being routed # through the logging system, but it acts like it has level INFO, # i.e. it's only displayed if we're at level INFO or better. # Non-interactive spinner goes through the logging system, so it is always # in sync with logging configuration. if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO: spinner: SpinnerInterface = InteractiveSpinner(message) else: spinner = NonInteractiveSpinner(message) try: with hidden_cursor(sys.stdout): yield spinner except KeyboardInterrupt: spinner.finish("canceled") raise except Exception: spinner.finish("error") raise else: spinner.finish("done") @contextlib.contextmanager def hidden_cursor(file: IO[str]) -> Iterator[None]: # The Windows terminal does not support the hide/show cursor ANSI codes, # even via colorama. 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""" module_path, class_name, summary = commands_dict[name] module = importlib.import_module(module_path) command_class = getattr(module, class_name) command = command_class(name=name, summary=summary, **kwargs) return command def get_similar_commands(name: str) -> Optional[str]: """Command name auto-correct.""" from difflib import get_close_matches name = name.lower() close_commands = get_close_matches(name, commands_dict.keys()) if close_commands: return close_commands[0] else: return None _internal/commands/cache.py 0000644 00000016544 15114542001 0011740 0 ustar 00 import os import textwrap from optparse import Values from typing import Any, List import pip._internal.utils.filesystem as filesystem from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.exceptions import CommandError, PipError from pip._internal.utils.logging import getLogger logger = getLogger(__name__) class CacheCommand(Command): """ Inspect and manage pip's wheel cache. Subcommands: - dir: Show the cache directory. - info: Show information about the cache. - list: List filenames of packages stored in the cache. - remove: Remove one or more package from the cache. - purge: Remove all items from the cache. ``<pattern>`` can be a glob expression or a package name. """ ignore_require_venv = True usage = """ %prog dir %prog info %prog list [<pattern>] [--format=[human, abspath]] %prog remove <pattern> %prog purge """ def add_options(self) -> None: self.cmd_opts.add_option( "--format", action="store", dest="list_format", default="human", choices=("human", "abspath"), help="Select the output format among: human (default) or abspath", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: handlers = { "dir": self.get_cache_dir, "info": self.get_cache_info, "list": self.list_cache_items, "remove": self.remove_cache_items, "purge": self.purge_cache, } if not options.cache_dir: logger.error("pip cache commands can not function since cache is disabled.") return ERROR # Determine action if not args or args[0] not in handlers: logger.error( "Need an action (%s) to perform.", ", ".join(sorted(handlers)), ) return ERROR action = args[0] # Error handling happens here, not in the action-handlers. try: handlers[action](options, args[1:]) except PipError as e: logger.error(e.args[0]) return ERROR return SUCCESS def get_cache_dir(self, options: Values, args: List[Any]) -> None: if args: raise CommandError("Too many arguments") logger.info(options.cache_dir) def get_cache_info(self, options: Values, args: List[Any]) -> None: if args: raise CommandError("Too many arguments") num_http_files = len(self._find_http_files(options)) num_packages = len(self._find_wheels(options, "*")) http_cache_location = self._cache_dir(options, "http") wheels_cache_location = self._cache_dir(options, "wheels") http_cache_size = filesystem.format_directory_size(http_cache_location) wheels_cache_size = filesystem.format_directory_size(wheels_cache_location) message = ( textwrap.dedent( """ Package index page cache location: {http_cache_location} Package index page cache size: {http_cache_size} Number of HTTP files: {num_http_files} Wheels location: {wheels_cache_location} Wheels size: {wheels_cache_size} Number of wheels: {package_count} """ ) .format( http_cache_location=http_cache_location, http_cache_size=http_cache_size, num_http_files=num_http_files, wheels_cache_location=wheels_cache_location, package_count=num_packages, wheels_cache_size=wheels_cache_size, ) .strip() ) logger.info(message) def list_cache_items(self, options: Values, args: List[Any]) -> None: if len(args) > 1: raise CommandError("Too many arguments") if args: pattern = args[0] else: pattern = "*" files = self._find_wheels(options, pattern) if options.list_format == "human": self.format_for_human(files) else: self.format_for_abspath(files) def format_for_human(self, files: List[str]) -> None: if not files: logger.info("Nothing cached.") return results = [] for filename in files: wheel = os.path.basename(filename) size = filesystem.format_file_size(filename) results.append(f" - {wheel} ({size})") logger.info("Cache contents:\n") logger.info("\n".join(sorted(results))) def format_for_abspath(self, files: List[str]) -> None: if not files: return results = [] for filename in files: results.append(filename) logger.info("\n".join(sorted(results))) def remove_cache_items(self, options: Values, args: List[Any]) -> None: if len(args) > 1: raise CommandError("Too many arguments") if not args: raise CommandError("Please provide a pattern") files = self._find_wheels(options, args[0]) no_matching_msg = "No matching packages" if args[0] == "*": # Only fetch http files if no specific pattern given files += self._find_http_files(options) else: # Add the pattern to the log message no_matching_msg += ' for pattern "{}"'.format(args[0]) if not files: logger.warning(no_matching_msg) for filename in files: os.unlink(filename) logger.verbose("Removed %s", filename) logger.info("Files removed: %s", len(files)) def purge_cache(self, options: Values, args: List[Any]) -> None: if args: raise CommandError("Too many arguments") return self.remove_cache_items(options, ["*"]) def _cache_dir(self, options: Values, subdir: str) -> str: return os.path.join(options.cache_dir, subdir) def _find_http_files(self, options: Values) -> List[str]: http_dir = self._cache_dir(options, "http") return filesystem.find_files(http_dir, "*") def _find_wheels(self, options: Values, pattern: str) -> List[str]: wheel_dir = self._cache_dir(options, "wheels") # The wheel filename format, as specified in PEP 427, is: # {distribution}-{version}(-{build})?-{python}-{abi}-{platform}.whl # # Additionally, non-alphanumeric values in the distribution are # normalized to underscores (_), meaning hyphens can never occur # before `-{version}`. # # Given that information: # - If the pattern we're given contains a hyphen (-), the user is # providing at least the version. Thus, we can just append `*.whl` # to match the rest of it. # - If the pattern we're given doesn't contain a hyphen (-), the # user is only providing the name. Thus, we append `-*.whl` to # match the hyphen before the version, followed by anything else. # # PEP 427: https://www.python.org/dev/peps/pep-0427/ pattern = pattern + ("*.whl" if "-" in pattern else "-*.whl") return filesystem.find_files(wheel_dir, pattern) _internal/commands/check.py 0000644 00000003225 15114542001 0011742 0 ustar 00 import logging from optparse import Values from typing import List from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.operations.check import ( check_package_set, create_package_set_from_installed, ) from pip._internal.utils.misc import write_output logger = logging.getLogger(__name__) class CheckCommand(Command): """Verify installed packages have compatible dependencies.""" usage = """ %prog [options]""" def run(self, options: Values, args: List[str]) -> int: package_set, parsing_probs = create_package_set_from_installed() missing, conflicting = check_package_set(package_set) for project_name in missing: version = package_set[project_name].version for dependency in missing[project_name]: write_output( "%s %s requires %s, which is not installed.", project_name, version, dependency[0], ) for project_name in conflicting: version = package_set[project_name].version for dep_name, dep_version, req in conflicting[project_name]: write_output( "%s %s has requirement %s, but you have %s %s.", project_name, version, req, dep_name, dep_version, ) if missing or conflicting or parsing_probs: return ERROR else: write_output("No broken requirements found.") return SUCCESS _internal/commands/completion.py 0000644 00000005616 15114542001 0013044 0 ustar 00 import sys import textwrap from optparse import Values from typing import List from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import SUCCESS from pip._internal.utils.misc import get_prog BASE_COMPLETION = """ # pip {shell} completion start{script}# pip {shell} completion end """ COMPLETION_SCRIPTS = { "bash": """ _pip_completion() {{ COMPREPLY=( $( COMP_WORDS="${{COMP_WORDS[*]}}" \\ COMP_CWORD=$COMP_CWORD \\ PIP_AUTO_COMPLETE=1 $1 2>/dev/null ) ) }} complete -o default -F _pip_completion {prog} """, "zsh": """ function _pip_completion {{ local words cword read -Ac words read -cn cword reply=( $( COMP_WORDS="$words[*]" \\ COMP_CWORD=$(( cword-1 )) \\ PIP_AUTO_COMPLETE=1 $words[1] 2>/dev/null )) }} compctl -K _pip_completion {prog} """, "fish": """ function __fish_complete_pip set -lx COMP_WORDS (commandline -o) "" set -lx COMP_CWORD ( \\ math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\ ) set -lx PIP_AUTO_COMPLETE 1 string split \\ -- (eval $COMP_WORDS[1]) end complete -fa "(__fish_complete_pip)" -c {prog} """, } class CompletionCommand(Command): """A helper command to be used for command completion.""" ignore_require_venv = True def add_options(self) -> None: self.cmd_opts.add_option( "--bash", "-b", action="store_const", const="bash", dest="shell", help="Emit completion code for bash", ) self.cmd_opts.add_option( "--zsh", "-z", action="store_const", const="zsh", dest="shell", help="Emit completion code for zsh", ) self.cmd_opts.add_option( "--fish", "-f", action="store_const", const="fish", dest="shell", help="Emit completion code for fish", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: """Prints the completion code of the given shell""" shells = COMPLETION_SCRIPTS.keys() shell_options = ["--" + shell for shell in sorted(shells)] if options.shell in shells: script = textwrap.dedent( COMPLETION_SCRIPTS.get(options.shell, "").format(prog=get_prog()) ) print(BASE_COMPLETION.format(script=script, shell=options.shell)) return SUCCESS else: sys.stderr.write( "ERROR: You must pass {}\n".format(" or ".join(shell_options)) ) return SUCCESS _internal/commands/configuration.py 0000644 00000021360 15114542001 0013534 0 ustar 00 import logging import os import subprocess from optparse import Values from typing import Any, List, Optional from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.configuration import ( Configuration, Kind, get_configuration_files, kinds, ) from pip._internal.exceptions import PipError from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import get_prog, write_output logger = logging.getLogger(__name__) class ConfigurationCommand(Command): """ Manage local and global configuration. Subcommands: - list: List the active configuration (or from the file specified) - edit: Edit the configuration file in an editor - get: Get the value associated with name - set: Set the name=value - unset: Unset the value associated with name - debug: List the configuration files and values defined under them If none of --user, --global and --site are passed, a virtual environment configuration file is used if one is active and the file exists. Otherwise, all modifications happen to the user file by default. """ ignore_require_venv = True usage = """ %prog [<file-option>] list %prog [<file-option>] [--editor <editor-path>] edit %prog [<file-option>] get name %prog [<file-option>] set name value %prog [<file-option>] unset name %prog [<file-option>] debug """ def add_options(self) -> None: self.cmd_opts.add_option( "--editor", dest="editor", action="store", default=None, help=( "Editor to use to edit the file. Uses VISUAL or EDITOR " "environment variables if not provided." ), ) self.cmd_opts.add_option( "--global", dest="global_file", action="store_true", default=False, help="Use the system-wide configuration file only", ) self.cmd_opts.add_option( "--user", dest="user_file", action="store_true", default=False, help="Use the user configuration file only", ) self.cmd_opts.add_option( "--site", dest="site_file", action="store_true", default=False, help="Use the current environment configuration file only", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: handlers = { "list": self.list_values, "edit": self.open_in_editor, "get": self.get_name, "set": self.set_name_value, "unset": self.unset_name, "debug": self.list_config_values, } # Determine action if not args or args[0] not in handlers: logger.error( "Need an action (%s) to perform.", ", ".join(sorted(handlers)), ) return ERROR action = args[0] # Determine which configuration files are to be loaded # Depends on whether the command is modifying. try: load_only = self._determine_file( options, need_value=(action in ["get", "set", "unset", "edit"]) ) except PipError as e: logger.error(e.args[0]) return ERROR # Load a new configuration self.configuration = Configuration( isolated=options.isolated_mode, load_only=load_only ) self.configuration.load() # Error handling happens here, not in the action-handlers. try: handlers[action](options, args[1:]) except PipError as e: logger.error(e.args[0]) return ERROR return SUCCESS def _determine_file(self, options: Values, need_value: bool) -> Optional[Kind]: file_options = [ key for key, value in ( (kinds.USER, options.user_file), (kinds.GLOBAL, options.global_file), (kinds.SITE, options.site_file), ) if value ] if not file_options: if not need_value: return None # Default to user, unless there's a site file. elif any( os.path.exists(site_config_file) for site_config_file in get_configuration_files()[kinds.SITE] ): return kinds.SITE else: return kinds.USER elif len(file_options) == 1: return file_options[0] raise PipError( "Need exactly one file to operate upon " "(--user, --site, --global) to perform." ) def list_values(self, options: Values, args: List[str]) -> None: self._get_n_args(args, "list", n=0) for key, value in sorted(self.configuration.items()): write_output("%s=%r", key, value) def get_name(self, options: Values, args: List[str]) -> None: key = self._get_n_args(args, "get [name]", n=1) value = self.configuration.get_value(key) write_output("%s", value) def set_name_value(self, options: Values, args: List[str]) -> None: key, value = self._get_n_args(args, "set [name] [value]", n=2) self.configuration.set_value(key, value) self._save_configuration() def unset_name(self, options: Values, args: List[str]) -> None: key = self._get_n_args(args, "unset [name]", n=1) self.configuration.unset_value(key) self._save_configuration() def list_config_values(self, options: Values, args: List[str]) -> None: """List config key-value pairs across different config files""" self._get_n_args(args, "debug", n=0) self.print_env_var_values() # Iterate over config files and print if they exist, and the # key-value pairs present in them if they do for variant, files in sorted(self.configuration.iter_config_files()): write_output("%s:", variant) for fname in files: with indent_log(): file_exists = os.path.exists(fname) write_output("%s, exists: %r", fname, file_exists) if file_exists: self.print_config_file_values(variant) def print_config_file_values(self, variant: Kind) -> None: """Get key-value pairs from the file of a variant""" for name, value in self.configuration.get_values_in_config(variant).items(): with indent_log(): write_output("%s: %s", name, value) def print_env_var_values(self) -> None: """Get key-values pairs present as environment variables""" write_output("%s:", "env_var") with indent_log(): for key, value in sorted(self.configuration.get_environ_vars()): env_var = f"PIP_{key.upper()}" write_output("%s=%r", env_var, value) def open_in_editor(self, options: Values, args: List[str]) -> None: editor = self._determine_editor(options) fname = self.configuration.get_file_to_edit() if fname is None: raise PipError("Could not determine appropriate file.") try: subprocess.check_call([editor, fname]) except subprocess.CalledProcessError as e: raise PipError( "Editor Subprocess exited with exit code {}".format(e.returncode) ) def _get_n_args(self, args: List[str], example: str, n: int) -> Any: """Helper to make sure the command got the right number of arguments""" if len(args) != n: msg = ( "Got unexpected number of arguments, expected {}. " '(example: "{} config {}")' ).format(n, get_prog(), example) raise PipError(msg) if n == 1: return args[0] else: return args def _save_configuration(self) -> None: # We successfully ran a modifying command. Need to save the # configuration. try: self.configuration.save() except Exception: logger.exception( "Unable to save configuration. Please report this as a bug." ) raise PipError("Internal Error.") def _determine_editor(self, options: Values) -> str: if options.editor is not None: return options.editor elif "VISUAL" in os.environ: return os.environ["VISUAL"] elif "EDITOR" in os.environ: return os.environ["EDITOR"] else: raise PipError("Could not determine editor to use.") _internal/commands/debug.py 0000644 00000014745 15114542001 0011764 0 ustar 00 import locale import logging import os import sys from optparse import Values from types import ModuleType from typing import Any, Dict, List, Optional import pip._vendor from pip._vendor.certifi import where from pip._vendor.packaging.version import parse as parse_version from pip import __file__ as pip_location from pip._internal.cli import cmdoptions from pip._internal.cli.base_command import Command from pip._internal.cli.cmdoptions import make_target_python from pip._internal.cli.status_codes import SUCCESS from pip._internal.configuration import Configuration from pip._internal.metadata import get_environment from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import get_pip_version logger = logging.getLogger(__name__) def show_value(name: str, value: Any) -> None: logger.info("%s: %s", name, value) def show_sys_implementation() -> None: logger.info("sys.implementation:") implementation_name = sys.implementation.name with indent_log(): show_value("name", implementation_name) def create_vendor_txt_map() -> Dict[str, str]: vendor_txt_path = os.path.join( os.path.dirname(pip_location), "_vendor", "vendor.txt" ) with open(vendor_txt_path) as f: # Purge non version specifying lines. # Also, remove any space prefix or suffixes (including comments). lines = [ line.strip().split(" ", 1)[0] for line in f.readlines() if "==" in line ] # Transform into "module" -> version dict. return dict(line.split("==", 1) for line in lines) # type: ignore def get_module_from_module_name(module_name: str) -> ModuleType: # Module name can be uppercase in vendor.txt for some reason... module_name = module_name.lower() # PATCH: setuptools is actually only pkg_resources. if module_name == "setuptools": module_name = "pkg_resources" __import__(f"pip._vendor.{module_name}", globals(), locals(), level=0) return getattr(pip._vendor, module_name) def get_vendor_version_from_module(module_name: str) -> Optional[str]: module = get_module_from_module_name(module_name) version = getattr(module, "__version__", None) if not version: # Try to find version in debundled module info. env = get_environment([os.path.dirname(module.__file__)]) dist = env.get_distribution(module_name) if dist: version = str(dist.version) return version def show_actual_vendor_versions(vendor_txt_versions: Dict[str, str]) -> None: """Log the actual version and print extra info if there is a conflict or if the actual version could not be imported. """ for module_name, expected_version in vendor_txt_versions.items(): extra_message = "" actual_version = get_vendor_version_from_module(module_name) if not actual_version: extra_message = ( " (Unable to locate actual module version, using" " vendor.txt specified version)" ) actual_version = expected_version elif parse_version(actual_version) != parse_version(expected_version): extra_message = ( " (CONFLICT: vendor.txt suggests version should" " be {})".format(expected_version) ) logger.info("%s==%s%s", module_name, actual_version, extra_message) def show_vendor_versions() -> None: logger.info("vendored library versions:") vendor_txt_versions = create_vendor_txt_map() with indent_log(): show_actual_vendor_versions(vendor_txt_versions) def show_tags(options: Values) -> None: tag_limit = 10 target_python = make_target_python(options) tags = target_python.get_tags() # Display the target options that were explicitly provided. formatted_target = target_python.format_given() suffix = "" if formatted_target: suffix = f" (target: {formatted_target})" msg = "Compatible tags: {}{}".format(len(tags), suffix) logger.info(msg) if options.verbose < 1 and len(tags) > tag_limit: tags_limited = True tags = tags[:tag_limit] else: tags_limited = False with indent_log(): for tag in tags: logger.info(str(tag)) if tags_limited: msg = ( "...\n[First {tag_limit} tags shown. Pass --verbose to show all.]" ).format(tag_limit=tag_limit) logger.info(msg) def ca_bundle_info(config: Configuration) -> str: levels = set() for key, _ in config.items(): levels.add(key.split(".")[0]) if not levels: return "Not specified" levels_that_override_global = ["install", "wheel", "download"] global_overriding_level = [ level for level in levels if level in levels_that_override_global ] if not global_overriding_level: return "global" if "global" in levels: levels.remove("global") return ", ".join(levels) class DebugCommand(Command): """ Display debug information. """ usage = """ %prog <options>""" ignore_require_venv = True def add_options(self) -> None: cmdoptions.add_target_python_options(self.cmd_opts) self.parser.insert_option_group(0, self.cmd_opts) self.parser.config.load() def run(self, options: Values, args: List[str]) -> int: logger.warning( "This command is only meant for debugging. " "Do not use this with automation for parsing and getting these " "details, since the output and options of this command may " "change without notice." ) show_value("pip version", get_pip_version()) show_value("sys.version", sys.version) show_value("sys.executable", sys.executable) show_value("sys.getdefaultencoding", sys.getdefaultencoding()) show_value("sys.getfilesystemencoding", sys.getfilesystemencoding()) show_value( "locale.getpreferredencoding", locale.getpreferredencoding(), ) show_value("sys.platform", sys.platform) show_sys_implementation() show_value("'cert' config value", ca_bundle_info(self.parser.config)) show_value("REQUESTS_CA_BUNDLE", os.environ.get("REQUESTS_CA_BUNDLE")) show_value("CURL_CA_BUNDLE", os.environ.get("CURL_CA_BUNDLE")) show_value("pip._vendor.certifi.where()", where()) show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED) show_vendor_versions() show_tags(options) return SUCCESS _internal/commands/download.py 0000644 00000011450 15114542001 0012473 0 ustar 00 import logging import os from optparse import Values from typing import List from pip._internal.cli import cmdoptions from pip._internal.cli.cmdoptions import make_target_python from pip._internal.cli.req_command import RequirementCommand, with_cleanup from pip._internal.cli.status_codes import SUCCESS from pip._internal.req.req_tracker import get_requirement_tracker from pip._internal.utils.misc import ensure_dir, normalize_path, write_output from pip._internal.utils.temp_dir import TempDirectory logger = logging.getLogger(__name__) class DownloadCommand(RequirementCommand): """ Download packages from: - PyPI (and other indexes) using requirement specifiers. - VCS project urls. - Local project directories. - Local or remote source archives. pip also supports downloading from "requirements files", which provide an easy way to specify a whole environment to be downloaded. """ usage = """ %prog [options] <requirement specifier> [package-index-options] ... %prog [options] -r <requirements file> [package-index-options] ... %prog [options] <vcs project url> ... %prog [options] <local project path> ... %prog [options] <archive url/path> ...""" def add_options(self) -> None: self.cmd_opts.add_option(cmdoptions.constraints()) self.cmd_opts.add_option(cmdoptions.requirements()) self.cmd_opts.add_option(cmdoptions.no_deps()) self.cmd_opts.add_option(cmdoptions.global_options()) self.cmd_opts.add_option(cmdoptions.no_binary()) self.cmd_opts.add_option(cmdoptions.only_binary()) self.cmd_opts.add_option(cmdoptions.prefer_binary()) self.cmd_opts.add_option(cmdoptions.src()) self.cmd_opts.add_option(cmdoptions.pre()) self.cmd_opts.add_option(cmdoptions.require_hashes()) self.cmd_opts.add_option(cmdoptions.progress_bar()) self.cmd_opts.add_option(cmdoptions.no_build_isolation()) self.cmd_opts.add_option(cmdoptions.use_pep517()) self.cmd_opts.add_option(cmdoptions.no_use_pep517()) self.cmd_opts.add_option(cmdoptions.ignore_requires_python()) self.cmd_opts.add_option( "-d", "--dest", "--destination-dir", "--destination-directory", dest="download_dir", metavar="dir", default=os.curdir, help="Download packages into <dir>.", ) cmdoptions.add_target_python_options(self.cmd_opts) index_opts = cmdoptions.make_option_group( cmdoptions.index_group, self.parser, ) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) @with_cleanup def run(self, options: Values, args: List[str]) -> int: options.ignore_installed = True # editable doesn't really make sense for `pip download`, but the bowels # of the RequirementSet code require that property. options.editables = [] cmdoptions.check_dist_restriction(options) options.download_dir = normalize_path(options.download_dir) ensure_dir(options.download_dir) session = self.get_default_session(options) target_python = make_target_python(options) finder = self._build_package_finder( options=options, session=session, target_python=target_python, ignore_requires_python=options.ignore_requires_python, ) req_tracker = self.enter_context(get_requirement_tracker()) directory = TempDirectory( delete=not options.no_clean, kind="download", globally_managed=True, ) reqs = self.get_requirements(args, options, finder, session) preparer = self.make_requirement_preparer( temp_build_dir=directory, options=options, req_tracker=req_tracker, session=session, finder=finder, download_dir=options.download_dir, use_user_site=False, ) resolver = self.make_resolver( preparer=preparer, finder=finder, options=options, ignore_requires_python=options.ignore_requires_python, py_version_info=options.python_version, ) self.trace_basic_info(finder) requirement_set = resolver.resolve(reqs, check_supported_wheels=True) downloaded: List[str] = [] for req in requirement_set.requirements.values(): if req.satisfied_by is None: assert req.name is not None preparer.save_linked_requirement(req) downloaded.append(req.name) if downloaded: write_output("Successfully downloaded %s", " ".join(downloaded)) return SUCCESS _internal/commands/freeze.py 0000644 00000005607 15114542001 0012153 0 ustar 00 import sys from optparse import Values from typing import List from pip._internal.cli import cmdoptions from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import SUCCESS from pip._internal.operations.freeze import freeze from pip._internal.utils.compat import stdlib_pkgs DEV_PKGS = {"pip", "setuptools", "distribute", "wheel"} class FreezeCommand(Command): """ Output installed packages in requirements format. packages are listed in a case-insensitive sorted order. """ usage = """ %prog [options]""" log_streams = ("ext://sys.stderr", "ext://sys.stderr") def add_options(self) -> None: self.cmd_opts.add_option( "-r", "--requirement", dest="requirements", action="append", default=[], metavar="file", help=( "Use the order in the given requirements file and its " "comments when generating output. This option can be " "used multiple times." ), ) self.cmd_opts.add_option( "-l", "--local", dest="local", action="store_true", default=False, help=( "If in a virtualenv that has global access, do not output " "globally-installed packages." ), ) self.cmd_opts.add_option( "--user", dest="user", action="store_true", default=False, help="Only output packages installed in user-site.", ) self.cmd_opts.add_option(cmdoptions.list_path()) self.cmd_opts.add_option( "--all", dest="freeze_all", action="store_true", help=( "Do not skip these packages in the output:" " {}".format(", ".join(DEV_PKGS)) ), ) self.cmd_opts.add_option( "--exclude-editable", dest="exclude_editable", action="store_true", help="Exclude editable package from output.", ) self.cmd_opts.add_option(cmdoptions.list_exclude()) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: skip = set(stdlib_pkgs) if not options.freeze_all: skip.update(DEV_PKGS) if options.excludes: skip.update(options.excludes) cmdoptions.check_list_path_option(options) for line in freeze( requirement=options.requirements, local_only=options.local, user_only=options.user, paths=options.path, isolated=options.isolated_mode, skip=skip, exclude_editable=options.exclude_editable, ): sys.stdout.write(line + "\n") return SUCCESS _internal/commands/hash.py 0000644 00000003247 15114542001 0011614 0 ustar 00 import hashlib import logging import sys from optparse import Values from typing import List from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES from pip._internal.utils.misc import read_chunks, write_output logger = logging.getLogger(__name__) class HashCommand(Command): """ Compute a hash of a local package archive. These can be used with --hash in a requirements file to do repeatable installs. """ usage = "%prog [options] <file> ..." ignore_require_venv = True def add_options(self) -> None: self.cmd_opts.add_option( "-a", "--algorithm", dest="algorithm", choices=STRONG_HASHES, action="store", default=FAVORITE_HASH, help="The hash algorithm to use: one of {}".format( ", ".join(STRONG_HASHES) ), ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: if not args: self.parser.print_usage(sys.stderr) return ERROR algorithm = options.algorithm for path in args: write_output( "%s:\n--hash=%s:%s", path, algorithm, _hash_of_file(path, algorithm) ) return SUCCESS def _hash_of_file(path: str, algorithm: str) -> str: """Return the hash digest of a file.""" with open(path, "rb") as archive: hash = hashlib.new(algorithm) for chunk in read_chunks(archive): hash.update(chunk) return hash.hexdigest() _internal/commands/help.py 0000644 00000002154 15114542001 0011615 0 ustar 00 from optparse import Values from typing import List from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import SUCCESS from pip._internal.exceptions import CommandError class HelpCommand(Command): """Show help for commands""" usage = """ %prog <command>""" ignore_require_venv = True def run(self, options: Values, args: List[str]) -> int: from pip._internal.commands import ( commands_dict, create_command, get_similar_commands, ) try: # 'pip help' with no args is handled by pip.__init__.parseopt() cmd_name = args[0] # the command we need help for except IndexError: return SUCCESS if cmd_name not in commands_dict: guess = get_similar_commands(cmd_name) msg = [f'unknown command "{cmd_name}"'] if guess: msg.append(f'maybe you meant "{guess}"') raise CommandError(" - ".join(msg)) command = create_command(cmd_name) command.parser.print_help() return SUCCESS _internal/commands/index.py 0000644 00000011232 15114542001 0011771 0 ustar 00 import logging from optparse import Values from typing import Any, Iterable, List, Optional, Union from pip._vendor.packaging.version import LegacyVersion, Version from pip._internal.cli import cmdoptions from pip._internal.cli.req_command import IndexGroupCommand from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.commands.search import print_dist_installation_info from pip._internal.exceptions import CommandError, DistributionNotFound, PipError from pip._internal.index.collector import LinkCollector from pip._internal.index.package_finder import PackageFinder from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.models.target_python import TargetPython from pip._internal.network.session import PipSession from pip._internal.utils.misc import write_output logger = logging.getLogger(__name__) class IndexCommand(IndexGroupCommand): """ Inspect information available from package indexes. """ usage = """ %prog versions <package> """ def add_options(self) -> None: cmdoptions.add_target_python_options(self.cmd_opts) self.cmd_opts.add_option(cmdoptions.ignore_requires_python()) self.cmd_opts.add_option(cmdoptions.pre()) self.cmd_opts.add_option(cmdoptions.no_binary()) self.cmd_opts.add_option(cmdoptions.only_binary()) index_opts = cmdoptions.make_option_group( cmdoptions.index_group, self.parser, ) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: handlers = { "versions": self.get_available_package_versions, } logger.warning( "pip index is currently an experimental command. " "It may be removed/changed in a future release " "without prior warning." ) # Determine action if not args or args[0] not in handlers: logger.error( "Need an action (%s) to perform.", ", ".join(sorted(handlers)), ) return ERROR action = args[0] # Error handling happens here, not in the action-handlers. try: handlers[action](options, args[1:]) except PipError as e: logger.error(e.args[0]) return ERROR return SUCCESS def _build_package_finder( self, options: Values, session: PipSession, target_python: Optional[TargetPython] = None, ignore_requires_python: Optional[bool] = None, ) -> PackageFinder: """ Create a package finder appropriate to the index command. """ link_collector = LinkCollector.create(session, options=options) # Pass allow_yanked=False to ignore yanked versions. selection_prefs = SelectionPreferences( allow_yanked=False, allow_all_prereleases=options.pre, ignore_requires_python=ignore_requires_python, ) return PackageFinder.create( link_collector=link_collector, selection_prefs=selection_prefs, target_python=target_python, ) def get_available_package_versions(self, options: Values, args: List[Any]) -> None: if len(args) != 1: raise CommandError("You need to specify exactly one argument") target_python = cmdoptions.make_target_python(options) query = args[0] with self._build_session(options) as session: finder = self._build_package_finder( options=options, session=session, target_python=target_python, ignore_requires_python=options.ignore_requires_python, ) versions: Iterable[Union[LegacyVersion, Version]] = ( candidate.version for candidate in finder.find_all_candidates(query) ) if not options.pre: # Remove prereleases versions = ( version for version in versions if not version.is_prerelease ) versions = set(versions) if not versions: raise DistributionNotFound( "No matching distribution found for {}".format(query) ) formatted_versions = [str(ver) for ver in sorted(versions, reverse=True)] latest = formatted_versions[0] write_output("{} ({})".format(query, latest)) write_output("Available versions: {}".format(", ".join(formatted_versions))) print_dist_installation_info(query, latest) _internal/commands/install.py 0000644 00000066313 15114542001 0012342 0 ustar 00 import errno import operator import os import shutil import site from optparse import SUPPRESS_HELP, Values from typing import Iterable, List, Optional from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cache import WheelCache from pip._internal.cli import cmdoptions from pip._internal.cli.cmdoptions import make_target_python from pip._internal.cli.req_command import ( RequirementCommand, warn_if_run_as_root, with_cleanup, ) from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.exceptions import CommandError, InstallationError from pip._internal.locations import get_scheme from pip._internal.metadata import get_environment from pip._internal.models.format_control import FormatControl from pip._internal.operations.check import ConflictDetails, check_install_conflicts from pip._internal.req import install_given_reqs from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_tracker import get_requirement_tracker from pip._internal.utils.compat import WINDOWS from pip._internal.utils.distutils_args import parse_distutils_args from pip._internal.utils.filesystem import test_writable_dir from pip._internal.utils.logging import getLogger from pip._internal.utils.misc import ( ensure_dir, get_pip_version, protect_pip_from_modification_on_windows, write_output, ) from pip._internal.utils.temp_dir import TempDirectory from pip._internal.utils.virtualenv import ( running_under_virtualenv, virtualenv_no_global, ) from pip._internal.wheel_builder import ( BinaryAllowedPredicate, build, should_build_for_install_command, ) logger = getLogger(__name__) def get_check_binary_allowed(format_control: FormatControl) -> BinaryAllowedPredicate: def check_binary_allowed(req: InstallRequirement) -> bool: canonical_name = canonicalize_name(req.name or "") allowed_formats = format_control.get_allowed_formats(canonical_name) return "binary" in allowed_formats return check_binary_allowed class InstallCommand(RequirementCommand): """ Install packages from: - PyPI (and other indexes) using requirement specifiers. - VCS project urls. - Local project directories. - Local or remote source archives. pip also supports installing from "requirements files", which provide an easy way to specify a whole environment to be installed. """ usage = """ %prog [options] <requirement specifier> [package-index-options] ... %prog [options] -r <requirements file> [package-index-options] ... %prog [options] [-e] <vcs project url> ... %prog [options] [-e] <local project path> ... %prog [options] <archive url/path> ...""" def add_options(self) -> None: self.cmd_opts.add_option(cmdoptions.requirements()) self.cmd_opts.add_option(cmdoptions.constraints()) self.cmd_opts.add_option(cmdoptions.no_deps()) self.cmd_opts.add_option(cmdoptions.pre()) self.cmd_opts.add_option(cmdoptions.editable()) self.cmd_opts.add_option( "-t", "--target", dest="target_dir", metavar="dir", default=None, help=( "Install packages into <dir>. " "By default this will not replace existing files/folders in " "<dir>. Use --upgrade to replace existing packages in <dir> " "with new versions." ), ) cmdoptions.add_target_python_options(self.cmd_opts) self.cmd_opts.add_option( "--user", dest="use_user_site", action="store_true", help=( "Install to the Python user install directory for your " "platform. Typically ~/.local/, or %APPDATA%\\Python on " "Windows. (See the Python documentation for site.USER_BASE " "for full details.)" ), ) self.cmd_opts.add_option( "--no-user", dest="use_user_site", action="store_false", help=SUPPRESS_HELP, ) self.cmd_opts.add_option( "--root", dest="root_path", metavar="dir", default=None, help="Install everything relative to this alternate root directory.", ) self.cmd_opts.add_option( "--prefix", dest="prefix_path", metavar="dir", default=None, help=( "Installation prefix where lib, bin and other top-level " "folders are placed" ), ) self.cmd_opts.add_option(cmdoptions.src()) self.cmd_opts.add_option( "-U", "--upgrade", dest="upgrade", action="store_true", help=( "Upgrade all specified packages to the newest available " "version. The handling of dependencies depends on the " "upgrade-strategy used." ), ) self.cmd_opts.add_option( "--upgrade-strategy", dest="upgrade_strategy", default="only-if-needed", choices=["only-if-needed", "eager"], help=( "Determines how dependency upgrading should be handled " "[default: %default]. " '"eager" - dependencies are upgraded regardless of ' "whether the currently installed version satisfies the " "requirements of the upgraded package(s). " '"only-if-needed" - are upgraded only when they do not ' "satisfy the requirements of the upgraded package(s)." ), ) self.cmd_opts.add_option( "--force-reinstall", dest="force_reinstall", action="store_true", help="Reinstall all packages even if they are already up-to-date.", ) self.cmd_opts.add_option( "-I", "--ignore-installed", dest="ignore_installed", action="store_true", help=( "Ignore the installed packages, overwriting them. " "This can break your system if the existing package " "is of a different version or was installed " "with a different package manager!" ), ) self.cmd_opts.add_option(cmdoptions.ignore_requires_python()) self.cmd_opts.add_option(cmdoptions.no_build_isolation()) self.cmd_opts.add_option(cmdoptions.use_pep517()) self.cmd_opts.add_option(cmdoptions.no_use_pep517()) self.cmd_opts.add_option(cmdoptions.install_options()) self.cmd_opts.add_option(cmdoptions.global_options()) self.cmd_opts.add_option( "--compile", action="store_true", dest="compile", default=True, help="Compile Python source files to bytecode", ) self.cmd_opts.add_option( "--no-compile", action="store_false", dest="compile", help="Do not compile Python source files to bytecode", ) self.cmd_opts.add_option( "--no-warn-script-location", action="store_false", dest="warn_script_location", default=True, help="Do not warn when installing scripts outside PATH", ) self.cmd_opts.add_option( "--no-warn-conflicts", action="store_false", dest="warn_about_conflicts", default=True, help="Do not warn about broken dependencies", ) self.cmd_opts.add_option(cmdoptions.no_binary()) self.cmd_opts.add_option(cmdoptions.only_binary()) self.cmd_opts.add_option(cmdoptions.prefer_binary()) self.cmd_opts.add_option(cmdoptions.require_hashes()) self.cmd_opts.add_option(cmdoptions.progress_bar()) index_opts = cmdoptions.make_option_group( cmdoptions.index_group, self.parser, ) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) @with_cleanup def run(self, options: Values, args: List[str]) -> int: if options.use_user_site and options.target_dir is not None: raise CommandError("Can not combine '--user' and '--target'") cmdoptions.check_install_build_global(options) upgrade_strategy = "to-satisfy-only" if options.upgrade: upgrade_strategy = options.upgrade_strategy cmdoptions.check_dist_restriction(options, check_target=True) install_options = options.install_options or [] logger.verbose("Using %s", get_pip_version()) options.use_user_site = decide_user_install( options.use_user_site, prefix_path=options.prefix_path, target_dir=options.target_dir, root_path=options.root_path, isolated_mode=options.isolated_mode, ) target_temp_dir: Optional[TempDirectory] = None target_temp_dir_path: Optional[str] = None if options.target_dir: options.ignore_installed = True options.target_dir = os.path.abspath(options.target_dir) if ( # fmt: off os.path.exists(options.target_dir) and not os.path.isdir(options.target_dir) # fmt: on ): raise CommandError( "Target path exists but is not a directory, will not continue." ) # Create a target directory for using with the target option target_temp_dir = TempDirectory(kind="target") target_temp_dir_path = target_temp_dir.path self.enter_context(target_temp_dir) global_options = options.global_options or [] session = self.get_default_session(options) target_python = make_target_python(options) finder = self._build_package_finder( options=options, session=session, target_python=target_python, ignore_requires_python=options.ignore_requires_python, ) wheel_cache = WheelCache(options.cache_dir, options.format_control) req_tracker = self.enter_context(get_requirement_tracker()) directory = TempDirectory( delete=not options.no_clean, kind="install", globally_managed=True, ) try: reqs = self.get_requirements(args, options, finder, session) # Only when installing is it permitted to use PEP 660. # In other circumstances (pip wheel, pip download) we generate # regular (i.e. non editable) metadata and wheels. for req in reqs: req.permit_editable_wheels = True reject_location_related_install_options(reqs, options.install_options) preparer = self.make_requirement_preparer( temp_build_dir=directory, options=options, req_tracker=req_tracker, session=session, finder=finder, use_user_site=options.use_user_site, ) resolver = self.make_resolver( preparer=preparer, finder=finder, options=options, wheel_cache=wheel_cache, use_user_site=options.use_user_site, ignore_installed=options.ignore_installed, ignore_requires_python=options.ignore_requires_python, force_reinstall=options.force_reinstall, upgrade_strategy=upgrade_strategy, use_pep517=options.use_pep517, ) self.trace_basic_info(finder) requirement_set = resolver.resolve( reqs, check_supported_wheels=not options.target_dir ) try: pip_req = requirement_set.get_requirement("pip") except KeyError: modifying_pip = False else: # If we're not replacing an already installed pip, # we're not modifying it. modifying_pip = pip_req.satisfied_by is None protect_pip_from_modification_on_windows(modifying_pip=modifying_pip) check_binary_allowed = get_check_binary_allowed(finder.format_control) reqs_to_build = [ r for r in requirement_set.requirements.values() if should_build_for_install_command(r, check_binary_allowed) ] _, build_failures = build( reqs_to_build, wheel_cache=wheel_cache, verify=True, build_options=[], global_options=[], ) # If we're using PEP 517, we cannot do a legacy setup.py install # so we fail here. pep517_build_failure_names: List[str] = [ r.name for r in build_failures if r.use_pep517 # type: ignore ] if pep517_build_failure_names: raise InstallationError( "Could not build wheels for {}, which is required to " "install pyproject.toml-based projects".format( ", ".join(pep517_build_failure_names) ) ) # For now, we just warn about failures building legacy # requirements, as we'll fall through to a setup.py install for # those. for r in build_failures: if not r.use_pep517: r.legacy_install_reason = 8368 to_install = resolver.get_installation_order(requirement_set) # Check for conflicts in the package set we're installing. conflicts: Optional[ConflictDetails] = None should_warn_about_conflicts = ( not options.ignore_dependencies and options.warn_about_conflicts ) if should_warn_about_conflicts: conflicts = self._determine_conflicts(to_install) # Don't warn about script install locations if # --target or --prefix has been specified warn_script_location = options.warn_script_location if options.target_dir or options.prefix_path: warn_script_location = False installed = install_given_reqs( to_install, install_options, global_options, root=options.root_path, home=target_temp_dir_path, prefix=options.prefix_path, warn_script_location=warn_script_location, use_user_site=options.use_user_site, pycompile=options.compile, ) lib_locations = get_lib_location_guesses( user=options.use_user_site, home=target_temp_dir_path, root=options.root_path, prefix=options.prefix_path, isolated=options.isolated_mode, ) env = get_environment(lib_locations) installed.sort(key=operator.attrgetter("name")) items = [] for result in installed: item = result.name try: installed_dist = env.get_distribution(item) if installed_dist is not None: item = f"{item}-{installed_dist.version}" except Exception: pass items.append(item) if conflicts is not None: self._warn_about_conflicts( conflicts, resolver_variant=self.determine_resolver_variant(options), ) installed_desc = " ".join(items) if installed_desc: write_output( "Successfully installed %s", installed_desc, ) except OSError as error: show_traceback = self.verbosity >= 1 message = create_os_error_message( error, show_traceback, options.use_user_site, ) logger.error(message, exc_info=show_traceback) # noqa return ERROR if options.target_dir: assert target_temp_dir self._handle_target_dir( options.target_dir, target_temp_dir, options.upgrade ) warn_if_run_as_root() return SUCCESS def _handle_target_dir( self, target_dir: str, target_temp_dir: TempDirectory, upgrade: bool ) -> None: ensure_dir(target_dir) # Checking both purelib and platlib directories for installed # packages to be moved to target directory lib_dir_list = [] # Checking both purelib and platlib directories for installed # packages to be moved to target directory scheme = get_scheme("", home=target_temp_dir.path) purelib_dir = scheme.purelib platlib_dir = scheme.platlib data_dir = scheme.data if os.path.exists(purelib_dir): lib_dir_list.append(purelib_dir) if os.path.exists(platlib_dir) and platlib_dir != purelib_dir: lib_dir_list.append(platlib_dir) if os.path.exists(data_dir): lib_dir_list.append(data_dir) for lib_dir in lib_dir_list: for item in os.listdir(lib_dir): if lib_dir == data_dir: ddir = os.path.join(data_dir, item) if any(s.startswith(ddir) for s in lib_dir_list[:-1]): continue target_item_dir = os.path.join(target_dir, item) if os.path.exists(target_item_dir): if not upgrade: logger.warning( "Target directory %s already exists. Specify " "--upgrade to force replacement.", target_item_dir, ) continue if os.path.islink(target_item_dir): logger.warning( "Target directory %s already exists and is " "a link. pip will not automatically replace " "links, please remove if replacement is " "desired.", target_item_dir, ) continue if os.path.isdir(target_item_dir): shutil.rmtree(target_item_dir) else: os.remove(target_item_dir) shutil.move(os.path.join(lib_dir, item), target_item_dir) def _determine_conflicts( self, to_install: List[InstallRequirement] ) -> Optional[ConflictDetails]: try: return check_install_conflicts(to_install) except Exception: logger.exception( "Error while checking for conflicts. Please file an issue on " "pip's issue tracker: https://github.com/pypa/pip/issues/new" ) return None def _warn_about_conflicts( self, conflict_details: ConflictDetails, resolver_variant: str ) -> None: package_set, (missing, conflicting) = conflict_details if not missing and not conflicting: return parts: List[str] = [] if resolver_variant == "legacy": parts.append( "pip's legacy dependency resolver does not consider dependency " "conflicts when selecting packages. This behaviour is the " "source of the following dependency conflicts." ) else: assert resolver_variant == "2020-resolver" parts.append( "pip's dependency resolver does not currently take into account " "all the packages that are installed. This behaviour is the " "source of the following dependency conflicts." ) # NOTE: There is some duplication here, with commands/check.py for project_name in missing: version = package_set[project_name][0] for dependency in missing[project_name]: message = ( "{name} {version} requires {requirement}, " "which is not installed." ).format( name=project_name, version=version, requirement=dependency[1], ) parts.append(message) for project_name in conflicting: version = package_set[project_name][0] for dep_name, dep_version, req in conflicting[project_name]: message = ( "{name} {version} requires {requirement}, but {you} have " "{dep_name} {dep_version} which is incompatible." ).format( name=project_name, version=version, requirement=req, dep_name=dep_name, dep_version=dep_version, you=("you" if resolver_variant == "2020-resolver" else "you'll"), ) parts.append(message) logger.critical("\n".join(parts)) def get_lib_location_guesses( user: bool = False, home: Optional[str] = None, root: Optional[str] = None, isolated: bool = False, prefix: Optional[str] = None, ) -> List[str]: scheme = get_scheme( "", user=user, home=home, root=root, isolated=isolated, prefix=prefix, ) return [scheme.purelib, scheme.platlib] def site_packages_writable(root: Optional[str], isolated: bool) -> bool: return all( test_writable_dir(d) for d in set(get_lib_location_guesses(root=root, isolated=isolated)) ) def decide_user_install( use_user_site: Optional[bool], prefix_path: Optional[str] = None, target_dir: Optional[str] = None, root_path: Optional[str] = None, isolated_mode: bool = False, ) -> bool: """Determine whether to do a user install based on the input options. If use_user_site is False, no additional checks are done. If use_user_site is True, it is checked for compatibility with other options. If use_user_site is None, the default behaviour depends on the environment, which is provided by the other arguments. """ # In some cases (config from tox), use_user_site can be set to an integer # rather than a bool, which 'use_user_site is False' wouldn't catch. if (use_user_site is not None) and (not use_user_site): logger.debug("Non-user install by explicit request") return False if use_user_site: if prefix_path: raise CommandError( "Can not combine '--user' and '--prefix' as they imply " "different installation locations" ) if virtualenv_no_global(): raise InstallationError( "Can not perform a '--user' install. User site-packages " "are not visible in this virtualenv." ) logger.debug("User install by explicit request") return True # If we are here, user installs have not been explicitly requested/avoided assert use_user_site is None # user install incompatible with --prefix/--target if prefix_path or target_dir: logger.debug("Non-user install due to --prefix or --target option") return False # If user installs are not enabled, choose a non-user install if not site.ENABLE_USER_SITE: logger.debug("Non-user install because user site-packages disabled") return False # If we have permission for a non-user install, do that, # otherwise do a user install. if site_packages_writable(root=root_path, isolated=isolated_mode): logger.debug("Non-user install because site-packages writeable") return False logger.info( "Defaulting to user installation because normal site-packages " "is not writeable" ) return True def reject_location_related_install_options( requirements: List[InstallRequirement], options: Optional[List[str]] ) -> None: """If any location-changing --install-option arguments were passed for requirements or on the command-line, then show a deprecation warning. """ def format_options(option_names: Iterable[str]) -> List[str]: return ["--{}".format(name.replace("_", "-")) for name in option_names] offenders = [] for requirement in requirements: install_options = requirement.install_options location_options = parse_distutils_args(install_options) if location_options: offenders.append( "{!r} from {}".format( format_options(location_options.keys()), requirement ) ) if options: location_options = parse_distutils_args(options) if location_options: offenders.append( "{!r} from command line".format(format_options(location_options.keys())) ) if not offenders: return raise CommandError( "Location-changing options found in --install-option: {}." " This is unsupported, use pip-level options like --user," " --prefix, --root, and --target instead.".format("; ".join(offenders)) ) def create_os_error_message( error: OSError, show_traceback: bool, using_user_site: bool ) -> str: """Format an error message for an OSError It may occur anytime during the execution of the install command. """ parts = [] # Mention the error if we are not going to show a traceback parts.append("Could not install packages due to an OSError") if not show_traceback: parts.append(": ") parts.append(str(error)) else: parts.append(".") # Spilt the error indication from a helper message (if any) parts[-1] += "\n" # Suggest useful actions to the user: # (1) using user site-packages or (2) verifying the permissions if error.errno == errno.EACCES: user_option_part = "Consider using the `--user` option" permissions_part = "Check the permissions" if not running_under_virtualenv() and not using_user_site: parts.extend( [ user_option_part, " or ", permissions_part.lower(), ] ) else: parts.append(permissions_part) parts.append(".\n") # Suggest the user to enable Long Paths if path length is # more than 260 if ( WINDOWS and error.errno == errno.ENOENT and error.filename and len(error.filename) > 260 ): parts.append( "HINT: This error might have occurred since " "this system does not have Windows Long Path " "support enabled. You can find information on " "how to enable this at " "https://pip.pypa.io/warnings/enable-long-paths\n" ) return "".join(parts).strip() + "\n" _internal/commands/list.py 0000644 00000027653 15114542001 0011653 0 ustar 00 import json import logging from optparse import Values from typing import TYPE_CHECKING, Iterator, List, Optional, Sequence, Tuple, cast from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cli import cmdoptions from pip._internal.cli.req_command import IndexGroupCommand from pip._internal.cli.status_codes import SUCCESS from pip._internal.exceptions import CommandError from pip._internal.index.collector import LinkCollector from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import BaseDistribution, get_environment from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.network.session import PipSession from pip._internal.utils.compat import stdlib_pkgs from pip._internal.utils.misc import tabulate, write_output from pip._internal.utils.parallel import map_multithread if TYPE_CHECKING: from pip._internal.metadata.base import DistributionVersion class _DistWithLatestInfo(BaseDistribution): """Give the distribution object a couple of extra fields. These will be populated during ``get_outdated()``. This is dirty but makes the rest of the code much cleaner. """ latest_version: DistributionVersion latest_filetype: str _ProcessedDists = Sequence[_DistWithLatestInfo] logger = logging.getLogger(__name__) class ListCommand(IndexGroupCommand): """ List installed packages, including editables. Packages are listed in a case-insensitive sorted order. """ ignore_require_venv = True usage = """ %prog [options]""" def add_options(self) -> None: self.cmd_opts.add_option( "-o", "--outdated", action="store_true", default=False, help="List outdated packages", ) self.cmd_opts.add_option( "-u", "--uptodate", action="store_true", default=False, help="List uptodate packages", ) self.cmd_opts.add_option( "-e", "--editable", action="store_true", default=False, help="List editable projects.", ) self.cmd_opts.add_option( "-l", "--local", action="store_true", default=False, help=( "If in a virtualenv that has global access, do not list " "globally-installed packages." ), ) self.cmd_opts.add_option( "--user", dest="user", action="store_true", default=False, help="Only output packages installed in user-site.", ) self.cmd_opts.add_option(cmdoptions.list_path()) self.cmd_opts.add_option( "--pre", action="store_true", default=False, help=( "Include pre-release and development versions. By default, " "pip only finds stable versions." ), ) self.cmd_opts.add_option( "--format", action="store", dest="list_format", default="columns", choices=("columns", "freeze", "json"), help="Select the output format among: columns (default), freeze, or json", ) self.cmd_opts.add_option( "--not-required", action="store_true", dest="not_required", help="List packages that are not dependencies of installed packages.", ) self.cmd_opts.add_option( "--exclude-editable", action="store_false", dest="include_editable", help="Exclude editable package from output.", ) self.cmd_opts.add_option( "--include-editable", action="store_true", dest="include_editable", help="Include editable package from output.", default=True, ) self.cmd_opts.add_option(cmdoptions.list_exclude()) index_opts = cmdoptions.make_option_group(cmdoptions.index_group, self.parser) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) def _build_package_finder( self, options: Values, session: PipSession ) -> PackageFinder: """ Create a package finder appropriate to this list command. """ link_collector = LinkCollector.create(session, options=options) # Pass allow_yanked=False to ignore yanked versions. selection_prefs = SelectionPreferences( allow_yanked=False, allow_all_prereleases=options.pre, ) return PackageFinder.create( link_collector=link_collector, selection_prefs=selection_prefs, ) def run(self, options: Values, args: List[str]) -> int: if options.outdated and options.uptodate: raise CommandError("Options --outdated and --uptodate cannot be combined.") cmdoptions.check_list_path_option(options) skip = set(stdlib_pkgs) if options.excludes: skip.update(canonicalize_name(n) for n in options.excludes) packages: "_ProcessedDists" = [ cast("_DistWithLatestInfo", d) for d in get_environment(options.path).iter_installed_distributions( local_only=options.local, user_only=options.user, editables_only=options.editable, include_editables=options.include_editable, skip=skip, ) ] # get_not_required must be called firstly in order to find and # filter out all dependencies correctly. Otherwise a package # can't be identified as requirement because some parent packages # could be filtered out before. if options.not_required: packages = self.get_not_required(packages, options) if options.outdated: packages = self.get_outdated(packages, options) elif options.uptodate: packages = self.get_uptodate(packages, options) self.output_package_listing(packages, options) return SUCCESS def get_outdated( self, packages: "_ProcessedDists", options: Values ) -> "_ProcessedDists": return [ dist for dist in self.iter_packages_latest_infos(packages, options) if dist.latest_version > dist.version ] def get_uptodate( self, packages: "_ProcessedDists", options: Values ) -> "_ProcessedDists": return [ dist for dist in self.iter_packages_latest_infos(packages, options) if dist.latest_version == dist.version ] def get_not_required( self, packages: "_ProcessedDists", options: Values ) -> "_ProcessedDists": dep_keys = { canonicalize_name(dep.name) for dist in packages for dep in (dist.iter_dependencies() or ()) } # Create a set to remove duplicate packages, and cast it to a list # to keep the return type consistent with get_outdated and # get_uptodate return list({pkg for pkg in packages if pkg.canonical_name not in dep_keys}) def iter_packages_latest_infos( self, packages: "_ProcessedDists", options: Values ) -> Iterator["_DistWithLatestInfo"]: with self._build_session(options) as session: finder = self._build_package_finder(options, session) def latest_info( dist: "_DistWithLatestInfo", ) -> Optional["_DistWithLatestInfo"]: all_candidates = finder.find_all_candidates(dist.canonical_name) if not options.pre: # Remove prereleases all_candidates = [ candidate for candidate in all_candidates if not candidate.version.is_prerelease ] evaluator = finder.make_candidate_evaluator( project_name=dist.canonical_name, ) best_candidate = evaluator.sort_best_candidate(all_candidates) if best_candidate is None: return None remote_version = best_candidate.version if best_candidate.link.is_wheel: typ = "wheel" else: typ = "sdist" dist.latest_version = remote_version dist.latest_filetype = typ return dist for dist in map_multithread(latest_info, packages): if dist is not None: yield dist def output_package_listing( self, packages: "_ProcessedDists", options: Values ) -> None: packages = sorted( packages, key=lambda dist: dist.canonical_name, ) if options.list_format == "columns" and packages: data, header = format_for_columns(packages, options) self.output_package_listing_columns(data, header) elif options.list_format == "freeze": for dist in packages: if options.verbose >= 1: write_output( "%s==%s (%s)", dist.raw_name, dist.version, dist.location ) else: write_output("%s==%s", dist.raw_name, dist.version) elif options.list_format == "json": write_output(format_for_json(packages, options)) def output_package_listing_columns( self, data: List[List[str]], header: List[str] ) -> None: # insert the header first: we need to know the size of column names if len(data) > 0: data.insert(0, header) pkg_strings, sizes = tabulate(data) # Create and add a separator. if len(data) > 0: pkg_strings.insert(1, " ".join(map(lambda x: "-" * x, sizes))) for val in pkg_strings: write_output(val) def format_for_columns( pkgs: "_ProcessedDists", options: Values ) -> Tuple[List[List[str]], List[str]]: """ Convert the package data into something usable by output_package_listing_columns. """ header = ["Package", "Version"] running_outdated = options.outdated if running_outdated: header.extend(["Latest", "Type"]) has_editables = any(x.editable for x in pkgs) if has_editables: header.append("Editable project location") if options.verbose >= 1: header.append("Location") if options.verbose >= 1: header.append("Installer") data = [] for proj in pkgs: # if we're working on the 'outdated' list, separate out the # latest_version and type row = [proj.raw_name, str(proj.version)] if running_outdated: row.append(str(proj.latest_version)) row.append(proj.latest_filetype) if has_editables: row.append(proj.editable_project_location or "") if options.verbose >= 1: row.append(proj.location or "") if options.verbose >= 1: row.append(proj.installer) data.append(row) return data, header def format_for_json(packages: "_ProcessedDists", options: Values) -> str: data = [] for dist in packages: info = { "name": dist.raw_name, "version": str(dist.version), } if options.verbose >= 1: info["location"] = dist.location or "" info["installer"] = dist.installer if options.outdated: info["latest_version"] = str(dist.latest_version) info["latest_filetype"] = dist.latest_filetype editable_project_location = dist.editable_project_location if editable_project_location: info["editable_project_location"] = editable_project_location data.append(info) return json.dumps(data) _internal/commands/search.py 0000644 00000013101 15114542001 0012124 0 ustar 00 import logging import shutil import sys import textwrap import xmlrpc.client from collections import OrderedDict from optparse import Values from typing import TYPE_CHECKING, Dict, List, Optional from pip._vendor.packaging.version import parse as parse_version from pip._internal.cli.base_command import Command from pip._internal.cli.req_command import SessionCommandMixin from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS from pip._internal.exceptions import CommandError from pip._internal.metadata import get_default_environment from pip._internal.models.index import PyPI from pip._internal.network.xmlrpc import PipXmlrpcTransport from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import write_output if TYPE_CHECKING: from typing import TypedDict class TransformedHit(TypedDict): name: str summary: str versions: List[str] logger = logging.getLogger(__name__) class SearchCommand(Command, SessionCommandMixin): """Search for PyPI packages whose name or summary contains <query>.""" usage = """ %prog [options] <query>""" ignore_require_venv = True def add_options(self) -> None: self.cmd_opts.add_option( "-i", "--index", dest="index", metavar="URL", default=PyPI.pypi_url, help="Base URL of Python Package Index (default %default)", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: if not args: raise CommandError("Missing required argument (search query).") query = args pypi_hits = self.search(query, options) hits = transform_hits(pypi_hits) terminal_width = None if sys.stdout.isatty(): terminal_width = shutil.get_terminal_size()[0] print_results(hits, terminal_width=terminal_width) if pypi_hits: return SUCCESS return NO_MATCHES_FOUND def search(self, query: List[str], options: Values) -> List[Dict[str, str]]: index_url = options.index session = self.get_default_session(options) transport = PipXmlrpcTransport(index_url, session) pypi = xmlrpc.client.ServerProxy(index_url, transport) try: hits = pypi.search({"name": query, "summary": query}, "or") except xmlrpc.client.Fault as fault: message = "XMLRPC request failed [code: {code}]\n{string}".format( code=fault.faultCode, string=fault.faultString, ) raise CommandError(message) assert isinstance(hits, list) return hits def transform_hits(hits: List[Dict[str, str]]) -> List["TransformedHit"]: """ The list from pypi is really a list of versions. We want a list of packages with the list of versions stored inline. This converts the list from pypi into one we can use. """ packages: Dict[str, "TransformedHit"] = OrderedDict() for hit in hits: name = hit["name"] summary = hit["summary"] version = hit["version"] if name not in packages.keys(): packages[name] = { "name": name, "summary": summary, "versions": [version], } else: packages[name]["versions"].append(version) # if this is the highest version, replace summary and score if version == highest_version(packages[name]["versions"]): packages[name]["summary"] = summary return list(packages.values()) def print_dist_installation_info(name: str, latest: str) -> None: env = get_default_environment() dist = env.get_distribution(name) if dist is not None: with indent_log(): if dist.version == latest: write_output("INSTALLED: %s (latest)", dist.version) else: write_output("INSTALLED: %s", dist.version) if parse_version(latest).pre: write_output( "LATEST: %s (pre-release; install" " with `pip install --pre`)", latest, ) else: write_output("LATEST: %s", latest) def print_results( hits: List["TransformedHit"], name_column_width: Optional[int] = None, terminal_width: Optional[int] = None, ) -> None: if not hits: return if name_column_width is None: name_column_width = ( max( [ len(hit["name"]) + len(highest_version(hit.get("versions", ["-"]))) for hit in hits ] ) + 4 ) for hit in hits: name = hit["name"] summary = hit["summary"] or "" latest = highest_version(hit.get("versions", ["-"])) if terminal_width is not None: target_width = terminal_width - name_column_width - 5 if target_width > 10: # wrap and indent summary to fit terminal summary_lines = textwrap.wrap(summary, target_width) summary = ("\n" + " " * (name_column_width + 3)).join(summary_lines) name_latest = f"{name} ({latest})" line = f"{name_latest:{name_column_width}} - {summary}" try: write_output(line) print_dist_installation_info(name, latest) except UnicodeEncodeError: pass def highest_version(versions: List[str]) -> str: return max(versions, key=parse_version) _internal/commands/show.py 0000644 00000017600 15114542001 0011647 0 ustar 00 import csv import logging import pathlib from optparse import Values from typing import Iterator, List, NamedTuple, Optional, Tuple from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.metadata import BaseDistribution, get_default_environment from pip._internal.utils.misc import write_output logger = logging.getLogger(__name__) class ShowCommand(Command): """ Show information about one or more installed packages. The output is in RFC-compliant mail header format. """ usage = """ %prog [options] <package> ...""" ignore_require_venv = True def add_options(self) -> None: self.cmd_opts.add_option( "-f", "--files", dest="files", action="store_true", default=False, help="Show the full list of installed files for each package.", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: if not args: logger.warning("ERROR: Please provide a package name or names.") return ERROR query = args results = search_packages_info(query) if not print_results( results, list_files=options.files, verbose=options.verbose ): return ERROR return SUCCESS class _PackageInfo(NamedTuple): name: str version: str location: str requires: List[str] required_by: List[str] installer: str metadata_version: str classifiers: List[str] summary: str homepage: str author: str author_email: str license: str entry_points: List[str] files: Optional[List[str]] def _convert_legacy_entry(entry: Tuple[str, ...], info: Tuple[str, ...]) -> str: """Convert a legacy installed-files.txt path into modern RECORD path. The legacy format stores paths relative to the info directory, while the modern format stores paths relative to the package root, e.g. the site-packages directory. :param entry: Path parts of the installed-files.txt entry. :param info: Path parts of the egg-info directory relative to package root. :returns: The converted entry. For best compatibility with symlinks, this does not use ``abspath()`` or ``Path.resolve()``, but tries to work with path parts: 1. While ``entry`` starts with ``..``, remove the equal amounts of parts from ``info``; if ``info`` is empty, start appending ``..`` instead. 2. Join the two directly. """ while entry and entry[0] == "..": if not info or info[-1] == "..": info += ("..",) else: info = info[:-1] entry = entry[1:] return str(pathlib.Path(*info, *entry)) def search_packages_info(query: List[str]) -> Iterator[_PackageInfo]: """ Gather details from installed distributions. Print distribution name, version, location, and installed files. Installed files requires a pip generated 'installed-files.txt' in the distributions '.egg-info' directory. """ env = get_default_environment() installed = {dist.canonical_name: dist for dist in env.iter_distributions()} query_names = [canonicalize_name(name) for name in query] missing = sorted( [name for name, pkg in zip(query, query_names) if pkg not in installed] ) if missing: logger.warning("Package(s) not found: %s", ", ".join(missing)) def _get_requiring_packages(current_dist: BaseDistribution) -> Iterator[str]: return ( dist.metadata["Name"] or "UNKNOWN" for dist in installed.values() if current_dist.canonical_name in {canonicalize_name(d.name) for d in dist.iter_dependencies()} ) def _files_from_record(dist: BaseDistribution) -> Optional[Iterator[str]]: try: text = dist.read_text("RECORD") except FileNotFoundError: return None # This extra Path-str cast normalizes entries. return (str(pathlib.Path(row[0])) for row in csv.reader(text.splitlines())) def _files_from_legacy(dist: BaseDistribution) -> Optional[Iterator[str]]: try: text = dist.read_text("installed-files.txt") except FileNotFoundError: return None paths = (p for p in text.splitlines(keepends=False) if p) root = dist.location info = dist.info_directory if root is None or info is None: return paths try: info_rel = pathlib.Path(info).relative_to(root) except ValueError: # info is not relative to root. return paths if not info_rel.parts: # info *is* root. return paths return ( _convert_legacy_entry(pathlib.Path(p).parts, info_rel.parts) for p in paths ) for query_name in query_names: try: dist = installed[query_name] except KeyError: continue requires = sorted((req.name for req in dist.iter_dependencies()), key=str.lower) required_by = sorted(_get_requiring_packages(dist), key=str.lower) try: entry_points_text = dist.read_text("entry_points.txt") entry_points = entry_points_text.splitlines(keepends=False) except FileNotFoundError: entry_points = [] files_iter = _files_from_record(dist) or _files_from_legacy(dist) if files_iter is None: files: Optional[List[str]] = None else: files = sorted(files_iter) metadata = dist.metadata yield _PackageInfo( name=dist.raw_name, version=str(dist.version), location=dist.location or "", requires=requires, required_by=required_by, installer=dist.installer, metadata_version=dist.metadata_version or "", classifiers=metadata.get_all("Classifier", []), summary=metadata.get("Summary", ""), homepage=metadata.get("Home-page", ""), author=metadata.get("Author", ""), author_email=metadata.get("Author-email", ""), license=metadata.get("License", ""), entry_points=entry_points, files=files, ) def print_results( distributions: Iterator[_PackageInfo], list_files: bool, verbose: bool, ) -> bool: """ Print the information from installed distributions found. """ results_printed = False for i, dist in enumerate(distributions): results_printed = True if i > 0: write_output("---") write_output("Name: %s", dist.name) write_output("Version: %s", dist.version) write_output("Summary: %s", dist.summary) write_output("Home-page: %s", dist.homepage) write_output("Author: %s", dist.author) write_output("Author-email: %s", dist.author_email) write_output("License: %s", dist.license) write_output("Location: %s", dist.location) write_output("Requires: %s", ", ".join(dist.requires)) write_output("Required-by: %s", ", ".join(dist.required_by)) if verbose: write_output("Metadata-Version: %s", dist.metadata_version) write_output("Installer: %s", dist.installer) write_output("Classifiers:") for classifier in dist.classifiers: write_output(" %s", classifier) write_output("Entry-points:") for entry in dist.entry_points: write_output(" %s", entry.strip()) if list_files: write_output("Files:") if dist.files is None: write_output("Cannot locate RECORD or installed-files.txt") else: for line in dist.files: write_output(" %s", line.strip()) return results_printed _internal/commands/uninstall.py 0000644 00000006706 15114542001 0012705 0 ustar 00 import logging from optparse import Values from typing import List from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cli.base_command import Command from pip._internal.cli.req_command import SessionCommandMixin, warn_if_run_as_root from pip._internal.cli.status_codes import SUCCESS from pip._internal.exceptions import InstallationError from pip._internal.req import parse_requirements from pip._internal.req.constructors import ( install_req_from_line, install_req_from_parsed_requirement, ) from pip._internal.utils.misc import protect_pip_from_modification_on_windows logger = logging.getLogger(__name__) class UninstallCommand(Command, SessionCommandMixin): """ Uninstall packages. pip is able to uninstall most installed packages. Known exceptions are: - Pure distutils packages installed with ``python setup.py install``, which leave behind no metadata to determine what files were installed. - Script wrappers installed by ``python setup.py develop``. """ usage = """ %prog [options] <package> ... %prog [options] -r <requirements file> ...""" def add_options(self) -> None: self.cmd_opts.add_option( "-r", "--requirement", dest="requirements", action="append", default=[], metavar="file", help=( "Uninstall all the packages listed in the given requirements " "file. This option can be used multiple times." ), ) self.cmd_opts.add_option( "-y", "--yes", dest="yes", action="store_true", help="Don't ask for confirmation of uninstall deletions.", ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options: Values, args: List[str]) -> int: session = self.get_default_session(options) reqs_to_uninstall = {} for name in args: req = install_req_from_line( name, isolated=options.isolated_mode, ) if req.name: reqs_to_uninstall[canonicalize_name(req.name)] = req else: logger.warning( "Invalid requirement: %r ignored -" " the uninstall command expects named" " requirements.", name, ) for filename in options.requirements: for parsed_req in parse_requirements( filename, options=options, session=session ): req = install_req_from_parsed_requirement( parsed_req, isolated=options.isolated_mode ) if req.name: reqs_to_uninstall[canonicalize_name(req.name)] = req if not reqs_to_uninstall: raise InstallationError( f"You must give at least one requirement to {self.name} (see " f'"pip help {self.name}")' ) protect_pip_from_modification_on_windows( modifying_pip="pip" in reqs_to_uninstall ) for req in reqs_to_uninstall.values(): uninstall_pathset = req.uninstall( auto_confirm=options.yes, verbose=self.verbosity > 0, ) if uninstall_pathset: uninstall_pathset.commit() warn_if_run_as_root() return SUCCESS _internal/commands/wheel.py 0000644 00000014030 15114542001 0011765 0 ustar 00 import logging import os import shutil from optparse import Values from typing import List from pip._internal.cache import WheelCache from pip._internal.cli import cmdoptions from pip._internal.cli.req_command import RequirementCommand, with_cleanup from pip._internal.cli.status_codes import SUCCESS from pip._internal.exceptions import CommandError from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_tracker import get_requirement_tracker from pip._internal.utils.misc import ensure_dir, normalize_path from pip._internal.utils.temp_dir import TempDirectory from pip._internal.wheel_builder import build, should_build_for_wheel_command logger = logging.getLogger(__name__) class WheelCommand(RequirementCommand): """ Build Wheel archives for your requirements and dependencies. Wheel is a built-package format, and offers the advantage of not recompiling your software during every install. For more details, see the wheel docs: https://wheel.readthedocs.io/en/latest/ Requirements: setuptools>=0.8, and wheel. 'pip wheel' uses the bdist_wheel setuptools extension from the wheel package to build individual wheels. """ usage = """ %prog [options] <requirement specifier> ... %prog [options] -r <requirements file> ... %prog [options] [-e] <vcs project url> ... %prog [options] [-e] <local project path> ... %prog [options] <archive url/path> ...""" def add_options(self) -> None: self.cmd_opts.add_option( "-w", "--wheel-dir", dest="wheel_dir", metavar="dir", default=os.curdir, help=( "Build wheels into <dir>, where the default is the " "current working directory." ), ) self.cmd_opts.add_option(cmdoptions.no_binary()) self.cmd_opts.add_option(cmdoptions.only_binary()) self.cmd_opts.add_option(cmdoptions.prefer_binary()) self.cmd_opts.add_option(cmdoptions.no_build_isolation()) self.cmd_opts.add_option(cmdoptions.use_pep517()) self.cmd_opts.add_option(cmdoptions.no_use_pep517()) self.cmd_opts.add_option(cmdoptions.constraints()) self.cmd_opts.add_option(cmdoptions.editable()) self.cmd_opts.add_option(cmdoptions.requirements()) self.cmd_opts.add_option(cmdoptions.src()) self.cmd_opts.add_option(cmdoptions.ignore_requires_python()) self.cmd_opts.add_option(cmdoptions.no_deps()) self.cmd_opts.add_option(cmdoptions.progress_bar()) self.cmd_opts.add_option( "--no-verify", dest="no_verify", action="store_true", default=False, help="Don't verify if built wheel is valid.", ) self.cmd_opts.add_option(cmdoptions.build_options()) self.cmd_opts.add_option(cmdoptions.global_options()) self.cmd_opts.add_option( "--pre", action="store_true", default=False, help=( "Include pre-release and development versions. By default, " "pip only finds stable versions." ), ) self.cmd_opts.add_option(cmdoptions.require_hashes()) index_opts = cmdoptions.make_option_group( cmdoptions.index_group, self.parser, ) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) @with_cleanup def run(self, options: Values, args: List[str]) -> int: cmdoptions.check_install_build_global(options) session = self.get_default_session(options) finder = self._build_package_finder(options, session) wheel_cache = WheelCache(options.cache_dir, options.format_control) options.wheel_dir = normalize_path(options.wheel_dir) ensure_dir(options.wheel_dir) req_tracker = self.enter_context(get_requirement_tracker()) directory = TempDirectory( delete=not options.no_clean, kind="wheel", globally_managed=True, ) reqs = self.get_requirements(args, options, finder, session) preparer = self.make_requirement_preparer( temp_build_dir=directory, options=options, req_tracker=req_tracker, session=session, finder=finder, download_dir=options.wheel_dir, use_user_site=False, ) resolver = self.make_resolver( preparer=preparer, finder=finder, options=options, wheel_cache=wheel_cache, ignore_requires_python=options.ignore_requires_python, use_pep517=options.use_pep517, ) self.trace_basic_info(finder) requirement_set = resolver.resolve(reqs, check_supported_wheels=True) reqs_to_build: List[InstallRequirement] = [] for req in requirement_set.requirements.values(): if req.is_wheel: preparer.save_linked_requirement(req) elif should_build_for_wheel_command(req): reqs_to_build.append(req) # build wheels build_successes, build_failures = build( reqs_to_build, wheel_cache=wheel_cache, verify=(not options.no_verify), build_options=options.build_options or [], global_options=options.global_options or [], ) for req in build_successes: assert req.link and req.link.is_wheel assert req.local_file_path # copy from cache to target directory try: shutil.copy(req.local_file_path, options.wheel_dir) except OSError as e: logger.warning( "Building wheel for %s failed: %s", req.name, e, ) build_failures.append(req) if len(build_failures) != 0: raise CommandError("Failed to build one or more wheels") return SUCCESS _internal/distributions/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000001367 15114542001 0020760 0 ustar 00 a [��fZ � @ sD d dl mZ d dlmZ d dlmZ d dlmZ eed�dd�ZdS ) � )�AbstractDistribution)�SourceDistribution)�WheelDistribution)�InstallRequirement)� install_req�returnc C s$ | j rt| �S | jr t| �S t| �S )z7Returns a Distribution for the given InstallRequirement)Zeditabler Zis_wheelr )r � r �H/usr/lib/python3.9/site-packages/pip/_internal/distributions/__init__.py�)make_distribution_for_install_requirement s r N) Z pip._internal.distributions.baser Z!pip._internal.distributions.sdistr Z!pip._internal.distributions.wheelr Z pip._internal.req.req_installr r r r r r �<module> s � _internal/distributions/__pycache__/__init__.cpython-39.pyc 0000644 00000001367 15114542001 0020021 0 ustar 00 a [��fZ � @ sD d dl mZ d dlmZ d dlmZ d dlmZ eed�dd�ZdS ) � )�AbstractDistribution)�SourceDistribution)�WheelDistribution)�InstallRequirement)� install_req�returnc C s$ | j rt| �S | jr t| �S t| �S )z7Returns a Distribution for the given InstallRequirement)Zeditabler Zis_wheelr )r � r �H/usr/lib/python3.9/site-packages/pip/_internal/distributions/__init__.py�)make_distribution_for_install_requirement s r N) Z pip._internal.distributions.baser Z!pip._internal.distributions.sdistr Z!pip._internal.distributions.wheelr Z pip._internal.req.req_installr r r r r r �<module> s � _internal/distributions/__pycache__/base.cpython-39.opt-1.pyc 0000644 00000003452 15114542001 0020130 0 ustar 00 a [��f� � @ sD d dl Z d dlmZ d dlmZ d dlmZ G dd� de jd�ZdS )� N)� PackageFinder)�BaseDistribution)�InstallRequirementc sT e Zd ZdZedd�� fdd� Zejed�dd��Z eje e dd �d d ��Z � Z S ) �AbstractDistributiona A base class for handling installable artifacts. 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This does not need any preparation as wheels can be directly unpacked. )�returnc C s> | j jsJ d��| j js J d��t| j j�}t|t| j j��S )z�Loads the metadata from the wheel file into memory and returns a Distribution that uses it, not relying on the wheel file or requirement. z*Set as part of preparation during downloadzWheels are never unnamed)ZreqZlocal_file_path�namer r r )�selfZwheel� r �E/usr/lib/python3.9/site-packages/pip/_internal/distributions/wheel.py�get_metadata_distribution s z+WheelDistribution.get_metadata_distributionN)�finder�build_isolationr c C s d S )Nr )r r r r r r � prepare_distribution_metadata s z/WheelDistribution.prepare_distribution_metadata) �__name__� __module__� __qualname__�__doc__r r r �boolr r r r r r s �r N) Zpip._vendor.packaging.utilsr Z pip._internal.distributions.baser Z"pip._internal.index.package_finderr Zpip._internal.metadatar r r r r r r r �<module> s _internal/distributions/__init__.py 0000644 00000001532 15114542001 0013524 0 ustar 00 from pip._internal.distributions.base import AbstractDistribution from pip._internal.distributions.sdist import SourceDistribution from pip._internal.distributions.wheel import WheelDistribution from pip._internal.req.req_install import InstallRequirement def make_distribution_for_install_requirement( install_req: InstallRequirement, ) -> AbstractDistribution: """Returns a Distribution for the given InstallRequirement""" # Editable requirements will always be source distributions. They use the # legacy logic until we create a modern standard for them. if install_req.editable: return SourceDistribution(install_req) # If it's a wheel, it's a WheelDistribution if install_req.is_wheel: return WheelDistribution(install_req) # Otherwise, a SourceDistribution return SourceDistribution(install_req) _internal/distributions/base.py 0000644 00000002224 15114542002 0012677 0 ustar 00 import abc from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata.base import BaseDistribution from pip._internal.req import InstallRequirement class AbstractDistribution(metaclass=abc.ABCMeta): """A base class for handling installable artifacts. The requirements for anything installable are as follows: - we must be able to determine the requirement name (or we can't correctly handle the non-upgrade case). - for packages with setup requirements, we must also be able to determine their requirements without installing additional packages (for the same reason as run-time dependencies) - we must be able to create a Distribution object exposing the above metadata. """ def __init__(self, req: InstallRequirement) -> None: super().__init__() self.req = req @abc.abstractmethod def get_metadata_distribution(self) -> BaseDistribution: raise NotImplementedError() @abc.abstractmethod def prepare_distribution_metadata( self, finder: PackageFinder, build_isolation: bool ) -> None: raise NotImplementedError() _internal/distributions/installed.py 0000644 00000001377 15114542002 0013754 0 ustar 00 from pip._internal.distributions.base import AbstractDistribution from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import BaseDistribution class InstalledDistribution(AbstractDistribution): """Represents an installed package. This does not need any preparation as the required information has already been computed. """ def get_metadata_distribution(self) -> BaseDistribution: from pip._internal.metadata.pkg_resources import Distribution as _Dist assert self.req.satisfied_by is not None, "not actually installed" return _Dist(self.req.satisfied_by) def prepare_distribution_metadata( self, finder: PackageFinder, build_isolation: bool ) -> None: pass _internal/distributions/sdist.py 0000644 00000012736 15114542002 0013124 0 ustar 00 import logging from typing import Iterable, Set, Tuple from pip._internal.build_env import BuildEnvironment from pip._internal.distributions.base import AbstractDistribution from pip._internal.exceptions import InstallationError from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import BaseDistribution from pip._internal.utils.subprocess import runner_with_spinner_message logger = logging.getLogger(__name__) class SourceDistribution(AbstractDistribution): """Represents a source distribution. The preparation step for these needs metadata for the packages to be generated, either using PEP 517 or using the legacy `setup.py egg_info`. """ def get_metadata_distribution(self) -> BaseDistribution: from pip._internal.metadata.pkg_resources import Distribution as _Dist return _Dist(self.req.get_dist()) def prepare_distribution_metadata( self, finder: PackageFinder, build_isolation: bool ) -> None: # Load pyproject.toml, to determine whether PEP 517 is to be used self.req.load_pyproject_toml() # Set up the build isolation, if this requirement should be isolated should_isolate = self.req.use_pep517 and build_isolation if should_isolate: # Setup an isolated environment and install the build backend static # requirements in it. self._prepare_build_backend(finder) # Check that if the requirement is editable, it either supports PEP 660 or # has a setup.py or a setup.cfg. This cannot be done earlier because we need # to setup the build backend to verify it supports build_editable, nor can # it be done later, because we want to avoid installing build requirements # needlessly. Doing it here also works around setuptools generating # UNKNOWN.egg-info when running get_requires_for_build_wheel on a directory # without setup.py nor setup.cfg. self.req.isolated_editable_sanity_check() # Install the dynamic build requirements. self._install_build_reqs(finder) self.req.prepare_metadata() def _prepare_build_backend(self, finder: PackageFinder) -> None: # Isolate in a BuildEnvironment and install the build-time # requirements. pyproject_requires = self.req.pyproject_requires assert pyproject_requires is not None self.req.build_env = BuildEnvironment() self.req.build_env.install_requirements( finder, pyproject_requires, "overlay", "Installing build dependencies" ) conflicting, missing = self.req.build_env.check_requirements( self.req.requirements_to_check ) if conflicting: self._raise_conflicts("PEP 517/518 supported requirements", conflicting) if missing: logger.warning( "Missing build requirements in pyproject.toml for %s.", self.req, ) logger.warning( "The project does not specify a build backend, and " "pip cannot fall back to setuptools without %s.", " and ".join(map(repr, sorted(missing))), ) def _get_build_requires_wheel(self) -> Iterable[str]: with self.req.build_env: runner = runner_with_spinner_message("Getting requirements to build wheel") backend = self.req.pep517_backend assert backend is not None with backend.subprocess_runner(runner): return backend.get_requires_for_build_wheel() def _get_build_requires_editable(self) -> Iterable[str]: with self.req.build_env: runner = runner_with_spinner_message( "Getting requirements to build editable" ) backend = self.req.pep517_backend assert backend is not None with backend.subprocess_runner(runner): return backend.get_requires_for_build_editable() def _install_build_reqs(self, finder: PackageFinder) -> None: # Install any extra build dependencies that the backend requests. # This must be done in a second pass, as the pyproject.toml # dependencies must be installed before we can call the backend. if ( self.req.editable and self.req.permit_editable_wheels and self.req.supports_pyproject_editable() ): build_reqs = self._get_build_requires_editable() else: build_reqs = self._get_build_requires_wheel() conflicting, missing = self.req.build_env.check_requirements(build_reqs) if conflicting: self._raise_conflicts("the backend dependencies", conflicting) self.req.build_env.install_requirements( finder, missing, "normal", "Installing backend dependencies" ) def _raise_conflicts( self, conflicting_with: str, conflicting_reqs: Set[Tuple[str, str]] ) -> None: format_string = ( "Some build dependencies for {requirement} " "conflict with {conflicting_with}: {description}." ) error_message = format_string.format( requirement=self.req, conflicting_with=conflicting_with, description=", ".join( f"{installed} is incompatible with {wanted}" for installed, wanted in sorted(conflicting_reqs) ), ) raise InstallationError(error_message) _internal/distributions/wheel.py 0000644 00000002133 15114542002 0013070 0 ustar 00 from pip._vendor.packaging.utils import canonicalize_name from pip._internal.distributions.base import AbstractDistribution from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import ( BaseDistribution, FilesystemWheel, get_wheel_distribution, ) class WheelDistribution(AbstractDistribution): """Represents a wheel distribution. This does not need any preparation as wheels can be directly unpacked. """ def get_metadata_distribution(self) -> BaseDistribution: """Loads the metadata from the wheel file into memory and returns a Distribution that uses it, not relying on the wheel file or requirement. 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Nz <none given>Fzyanked for reason: )Fz not a filez unsupported archive format: Zbinaryz No binaries permitted for {}Zmacosx10z.zip)Fz macosx10 one)Fzinvalid wheel filenamezwrong project name (not {})z^none of the wheel's tags ({}) are compatible (run pip debug --verbose to show compatible tags)�, �sourcezNo sources permitted for z Missing project version for � )FzPython version is incorrect)r( r) )FNzFound link %s, version: %sT)#� is_yankedr; Z yanked_reason� egg_fragment�ext�splitextr" r> r �formatr6 �pathr �filenamer r �namer< r? �get_tagsZ supportedZget_formatted_file_tagsr. r2 � _extract_version_from_fragment�_py_version_re�search�start�group� py_versionr4 Zpy_version_infor= r, r- ) r@ r' r2 �reasonZegg_inforG �wheel�supported_tagsZ file_tags�matchrS Zsupports_pythonr& r& r3 � evaluate_link� sx �� � �zLinkEvaluator.evaluate_link)N)�__name__� __module__� __qualname__�__doc__�re�compilerO r0 r r �boolr rA r r rX r& r& r& r3 r5 b s �� %r5 )� candidates�hashesr6 r* c C s� |s t �dt| �|� t| �S g }g }d}| D ]>}|j}|js@n"|j|d�rV|d7 }n |�|� q.|�|� q.|rx|}nt| �}t|�t| �kr�d} n d�t|�d� dd � |D ���} t �d t| �||j |t|�| | � |S ) a� Filter out candidates whose hashes aren't allowed, and return a new list of candidates. 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Z digest_count) r` ra r6 Zmatches_or_no_digestZ non_matchesZ match_countrd r' ZfilteredZdiscard_messager& r& r3 �filter_unallowed_hashes� sL � � � rk c @ s$ e Zd ZdZdeedd�dd�ZdS )�CandidatePreferenceszk Encapsulates some of the preferences for filtering and sorting InstallationCandidate objects. FN)� prefer_binary�allow_all_prereleasesr* c C s || _ || _dS )zR :param allow_all_prereleases: Whether to allow all pre-releases. N)rn rm )r@ rm rn r& r& r3 rA < s z CandidatePreferences.__init__)FF)rY rZ r[ r\ r_ rA r& r& r& r3 rl 5 s ��rl c @ sT e Zd ZdZee ee ee dd�dd�Zee d�dd�Z ee d�d d �Z dS ) r$ z�A collection of candidates, returned by `PackageFinder.find_best_candidate`. This class is only intended to be instantiated by CandidateEvaluator's `compute_best_candidate()` method. N)r` �applicable_candidates�best_candidater* c C s |du r n || _ || _|| _dS )a :param candidates: A sequence of all available candidates found. :param applicable_candidates: The applicable candidates. :param best_candidate: The most preferred candidate found, or None if no applicable candidates were found. N)�_applicable_candidates� _candidatesrp �r@ r` ro rp r& r& r3 rA O s z BestCandidateResult.__init__�r* c C s t | j�S )z Iterate through all candidates.)�iterrr �r@ r& r& r3 �iter_allg s z BestCandidateResult.iter_allc C s t | j�S )z*Iterate through the applicable candidates.)ru rq rv r& r& r3 �iter_applicablek s z#BestCandidateResult.iter_applicable) rY rZ r[ r\ r r r rA r rw rx r& r& r& r3 r$ H s � r$ c @ s� e Zd ZdZedeee eeee j ee d d�dd��Z dee e e j eeee dd�dd �Ze e e e d �d d �Zeed �dd�Ze e ee d �dd�Ze e ed �dd�ZdS )�CandidateEvaluatorzm Responsible for filtering and sorting candidates for installation based on what tags are valid. NF)r6 r9 rm rn � specifierra r* c C s: |du rt � }|du r t�� }|�� }| ||||||d�S )a� Create a CandidateEvaluator object. :param target_python: The target Python interpreter to use when checking compatibility. If None (the default), a TargetPython object will be constructed from the running Python. :param specifier: An optional object implementing `filter` (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable versions. :param hashes: An optional collection of allowed hashes. N)r6 rV rz rm rn ra )r r Z SpecifierSetrM )�clsr6 r9 rm rn rz ra rV r& r& r3 �createw s �zCandidateEvaluator.create)r6 rV rz rm rn ra r* c C s< || _ || _|| _|| _|| _|| _dd� t|�D �| _dS )z� :param supported_tags: The PEP 425 tags supported by the target Python in order of preference (most preferred first). c S s i | ]\}}||�qS r& r& )rc �idx�tagr& r& r3 � <dictcomp>� s z/CandidateEvaluator.__init__.<locals>.<dictcomp>N)�_allow_all_prereleases�_hashes�_prefer_binary� _project_name� _specifier�_supported_tags� enumerate�_wheel_tag_preferences)r@ r6 rV rz rm rn ra r& r& r3 rA � s �zCandidateEvaluator.__init__)r` r* c sd | j pd}| j}dd� |jdd� |D �|d�D �� � fdd�|D �}t|| j| jd �}t|| jd �S ) zM Return the applicable candidates from a list of candidates. 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The preference is as follows: First and foremost, candidates with allowed (matching) hashes are always preferred over candidates without matching hashes. This is because e.g. if the only candidate with an allowed hash is yanked, we still want to use that candidate. Second, excepting hash considerations, candidates that have been yanked (in the sense of PEP 592) are always less preferred than candidates that haven't been yanked. Then: If not finding wheels, they are sorted by version only. If finding wheels, then the sort order is by version, then: 1. existing installs 2. wheels ordered via Wheel.support_index_min(self._supported_tags) 3. source archives If prefer_binary was set, then all wheels are sorted above sources. Note: it was considered to embed this logic into the Link comparison operators, but then different sdist links with the same version, would have to be considered equal r& r zB{} is not a supported wheel for this platform. 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If a path is supplied to the option, it is converted to a URL first. This returns: * ``page_candidates``: Links listed on an HTML file. * ``file_candidates``: The non-HTML file. N�r" r r c C s || _ || _d S r$ �r% �_link�r r" r r r r r+ U s z_LocalFileSource.__init__r c C s | j S r$ �r5 r r r r r ] s z_LocalFileSource.linkc c s& t | jj�sd S | �| j�E d H d S r$ )r r5 r/ r% r r r r r a s z _LocalFileSource.page_candidatesc c s t | jj�rd S | jV d S r$ )r r5 r/ r r r r r f s z_LocalFileSource.file_links�r r r r0 r1 r r+ r r r r r r r r r r r r2 K s � r2 c @ sV e Zd ZdZeeedd�dd�Zee e d�dd��Z e d�d d �Z e d�d d �ZdS ) �_RemoteFileSourcez�``--find-links=<url>`` or ``--[extra-]index-url=<url>``. This returns: * ``page_candidates``: Links listed on an HTML file. * ``file_candidates``: The non-HTML file. N)r" �page_validatorr r c C s || _ || _|| _d S r$ )r% �_page_validatorr5 )r r" r: r r r r r+ u s z_RemoteFileSource.__init__r c C s | j S r$ r7 r r r r r s z_RemoteFileSource.linkc c s& | � | j�sd S | �| j�E d H d S r$ )r; r5 r% r r r r r � s z!_RemoteFileSource.page_candidatesc c s | j V d S r$ r7 r r r r r � s z _RemoteFileSource.file_links)r r r r0 r1 � PageValidatorr r+ r r r r r r r r r r r r9 l s � r9 c @ sT e Zd ZdZeedd�dd�Zeee d�dd��Z e d�d d �Z e d�d d �Z dS ) �_IndexDirectorySourcez�``--[extra-]index-url=<path-to-directory>``. This is treated like a remote URL; ``candidates_from_page`` contains logic for this by appending ``index.html`` to the link. Nr3 c C s || _ || _d S r$ r4 r6 r r r r+ � s z _IndexDirectorySource.__init__r c C s | j S r$ r7 r r r r r � s z_IndexDirectorySource.linkc c s | � | j�E d H d S r$ r4 r r r r r � s z%_IndexDirectorySource.page_candidatesc C s dS )Nr r r r r r r � s z _IndexDirectorySource.file_linksr8 r r r r r= � s � r= )�locationr" r: � expand_dir�cache_link_parsingr c C s� d }d }t j�| �r"t| �}| }n$| �d�r:| }t| �}n t| �rF| }|d u rbd}t�|| � dS |d u r�t ||t ||d�d�}||fS t j� |�r�|r�t ||d�}nt |t ||d�d�}||fS t j�|�r�t|t ||d�d�}||fS t�d| � |d fS ) Nzfile:zVLocation '%s' is ignored: it is either a non-existing path or lacks a specific scheme.)NN)r@ )r" r: r )r" r# )r" r z?Location '%s' is ignored: it is neither a file nor a directory.)r( r# �existsr � startswithr r �loggerZwarningr9 r �isdirr! r= �isfiler2 ) r> r" r: r? r@ r# r/ �msg�sourcer r r � build_source� sX � � � � ��rH )"Zloggingr r( r& �typingr r r r Z pip._internal.models.candidater Zpip._internal.models.linkr Zpip._internal.utils.urlsr r Zpip._internal.vcsr Z getLoggerr rC r r r1 �boolr< r r- r r! r2 r9 r= rH r r r r �<module> s4 $! � _internal/index/__init__.py 0000644 00000000036 15114542002 0011730 0 ustar 00 """Index interaction code """ _internal/index/collector.py 0000644 00000042176 15114542002 0012172 0 ustar 00 """ The main purpose of this module is to expose LinkCollector.collect_sources(). """ import cgi import collections import functools import itertools import logging import os import re import urllib.parse import urllib.request import xml.etree.ElementTree from optparse import Values from typing import ( Callable, Iterable, List, MutableMapping, NamedTuple, Optional, Sequence, Union, ) from pip._vendor import html5lib, requests from pip._vendor.requests import Response from pip._vendor.requests.exceptions import RetryError, SSLError from pip._internal.exceptions import NetworkConnectionError from pip._internal.models.link import Link from pip._internal.models.search_scope import SearchScope from pip._internal.network.session import PipSession from pip._internal.network.utils import raise_for_status from pip._internal.utils.filetypes import is_archive_file from pip._internal.utils.misc import pairwise, redact_auth_from_url from pip._internal.vcs import vcs from .sources import CandidatesFromPage, LinkSource, build_source logger = logging.getLogger(__name__) HTMLElement = xml.etree.ElementTree.Element ResponseHeaders = MutableMapping[str, str] def _match_vcs_scheme(url: str) -> Optional[str]: """Look for VCS schemes in the URL. Returns the matched VCS scheme, or None if there's no match. """ for scheme in vcs.schemes: if url.lower().startswith(scheme) and url[len(scheme)] in "+:": return scheme return None class _NotHTML(Exception): def __init__(self, content_type: str, request_desc: str) -> None: super().__init__(content_type, request_desc) self.content_type = content_type self.request_desc = request_desc def _ensure_html_header(response: Response) -> None: """Check the Content-Type header to ensure the response contains HTML. Raises `_NotHTML` if the content type is not text/html. """ content_type = response.headers.get("Content-Type", "") if not content_type.lower().startswith("text/html"): raise _NotHTML(content_type, response.request.method) class _NotHTTP(Exception): pass def _ensure_html_response(url: str, session: PipSession) -> None: """Send a HEAD request to the URL, and ensure the response contains HTML. Raises `_NotHTTP` if the URL is not available for a HEAD request, or `_NotHTML` if the content type is not text/html. """ scheme, netloc, path, query, fragment = urllib.parse.urlsplit(url) if scheme not in {"http", "https"}: raise _NotHTTP() resp = session.head(url, allow_redirects=True) raise_for_status(resp) _ensure_html_header(resp) def _get_html_response(url: str, session: PipSession) -> Response: """Access an HTML page with GET, and return the response. This consists of three parts: 1. If the URL looks suspiciously like an archive, send a HEAD first to check the Content-Type is HTML, to avoid downloading a large file. Raise `_NotHTTP` if the content type cannot be determined, or `_NotHTML` if it is not HTML. 2. Actually perform the request. Raise HTTP exceptions on network failures. 3. Check the Content-Type header to make sure we got HTML, and raise `_NotHTML` otherwise. """ if is_archive_file(Link(url).filename): _ensure_html_response(url, session=session) logger.debug("Getting page %s", redact_auth_from_url(url)) resp = session.get( url, headers={ "Accept": "text/html", # We don't want to blindly returned cached data for # /simple/, because authors generally expecting that # twine upload && pip install will function, but if # they've done a pip install in the last ~10 minutes # it won't. Thus by setting this to zero we will not # blindly use any cached data, however the benefit of # using max-age=0 instead of no-cache, is that we will # still support conditional requests, so we will still # minimize traffic sent in cases where the page hasn't # changed at all, we will just always incur the round # trip for the conditional GET now instead of only # once per 10 minutes. # For more information, please see pypa/pip#5670. "Cache-Control": "max-age=0", }, ) raise_for_status(resp) # The check for archives above only works if the url ends with # something that looks like an archive. However that is not a # requirement of an url. Unless we issue a HEAD request on every # url we cannot know ahead of time for sure if something is HTML # or not. However we can check after we've downloaded it. _ensure_html_header(resp) return resp def _get_encoding_from_headers(headers: ResponseHeaders) -> Optional[str]: """Determine if we have any encoding information in our headers.""" if headers and "Content-Type" in headers: content_type, params = cgi.parse_header(headers["Content-Type"]) if "charset" in params: return params["charset"] return None def _determine_base_url(document: HTMLElement, page_url: str) -> str: """Determine the HTML document's base URL. This looks for a ``<base>`` tag in the HTML document. If present, its href attribute denotes the base URL of anchor tags in the document. If there is no such tag (or if it does not have a valid href attribute), the HTML file's URL is used as the base URL. :param document: An HTML document representation. The current implementation expects the result of ``html5lib.parse()``. :param page_url: The URL of the HTML document. """ for base in document.findall(".//base"): href = base.get("href") if href is not None: return href return page_url def _clean_url_path_part(part: str) -> str: """ Clean a "part" of a URL path (i.e. after splitting on "@" characters). """ # We unquote prior to quoting to make sure nothing is double quoted. return urllib.parse.quote(urllib.parse.unquote(part)) def _clean_file_url_path(part: str) -> str: """ Clean the first part of a URL path that corresponds to a local filesystem path (i.e. the first part after splitting on "@" characters). """ # We unquote prior to quoting to make sure nothing is double quoted. # Also, on Windows the path part might contain a drive letter which # should not be quoted. On Linux where drive letters do not # exist, the colon should be quoted. We rely on urllib.request # to do the right thing here. return urllib.request.pathname2url(urllib.request.url2pathname(part)) # percent-encoded: / _reserved_chars_re = re.compile("(@|%2F)", re.IGNORECASE) def _clean_url_path(path: str, is_local_path: bool) -> str: """ Clean the path portion of a URL. """ if is_local_path: clean_func = _clean_file_url_path else: clean_func = _clean_url_path_part # Split on the reserved characters prior to cleaning so that # revision strings in VCS URLs are properly preserved. parts = _reserved_chars_re.split(path) cleaned_parts = [] for to_clean, reserved in pairwise(itertools.chain(parts, [""])): cleaned_parts.append(clean_func(to_clean)) # Normalize %xx escapes (e.g. %2f -> %2F) cleaned_parts.append(reserved.upper()) return "".join(cleaned_parts) def _clean_link(url: str) -> str: """ Make sure a link is fully quoted. For example, if ' ' occurs in the URL, it will be replaced with "%20", and without double-quoting other characters. """ # Split the URL into parts according to the general structure # `scheme://netloc/path;parameters?query#fragment`. result = urllib.parse.urlparse(url) # If the netloc is empty, then the URL refers to a local filesystem path. is_local_path = not result.netloc path = _clean_url_path(result.path, is_local_path=is_local_path) return urllib.parse.urlunparse(result._replace(path=path)) def _create_link_from_element( anchor: HTMLElement, page_url: str, base_url: str, ) -> Optional[Link]: """ Convert an anchor element in a simple repository page to a Link. """ href = anchor.get("href") if not href: return None url = _clean_link(urllib.parse.urljoin(base_url, href)) pyrequire = anchor.get("data-requires-python") yanked_reason = anchor.get("data-yanked") link = Link( url, comes_from=page_url, requires_python=pyrequire, yanked_reason=yanked_reason, ) return link class CacheablePageContent: def __init__(self, page: "HTMLPage") -> None: assert page.cache_link_parsing self.page = page def __eq__(self, other: object) -> bool: return isinstance(other, type(self)) and self.page.url == other.page.url def __hash__(self) -> int: return hash(self.page.url) def with_cached_html_pages( fn: Callable[["HTMLPage"], Iterable[Link]], ) -> Callable[["HTMLPage"], List[Link]]: """ Given a function that parses an Iterable[Link] from an HTMLPage, cache the function's result (keyed by CacheablePageContent), unless the HTMLPage `page` has `page.cache_link_parsing == False`. """ @functools.lru_cache(maxsize=None) def wrapper(cacheable_page: CacheablePageContent) -> List[Link]: return list(fn(cacheable_page.page)) @functools.wraps(fn) def wrapper_wrapper(page: "HTMLPage") -> List[Link]: if page.cache_link_parsing: return wrapper(CacheablePageContent(page)) return list(fn(page)) return wrapper_wrapper @with_cached_html_pages def parse_links(page: "HTMLPage") -> Iterable[Link]: """ Parse an HTML document, and yield its anchor elements as Link objects. """ document = html5lib.parse( page.content, transport_encoding=page.encoding, namespaceHTMLElements=False, ) url = page.url base_url = _determine_base_url(document, url) for anchor in document.findall(".//a"): link = _create_link_from_element( anchor, page_url=url, base_url=base_url, ) if link is None: continue yield link class HTMLPage: """Represents one page, along with its URL""" def __init__( self, content: bytes, encoding: Optional[str], url: str, cache_link_parsing: bool = True, ) -> None: """ :param encoding: the encoding to decode the given content. :param url: the URL from which the HTML was downloaded. :param cache_link_parsing: whether links parsed from this page's url should be cached. PyPI index urls should have this set to False, for example. """ self.content = content self.encoding = encoding self.url = url self.cache_link_parsing = cache_link_parsing def __str__(self) -> str: return redact_auth_from_url(self.url) def _handle_get_page_fail( link: Link, reason: Union[str, Exception], meth: Optional[Callable[..., None]] = None, ) -> None: if meth is None: meth = logger.debug meth("Could not fetch URL %s: %s - skipping", link, reason) def _make_html_page(response: Response, cache_link_parsing: bool = True) -> HTMLPage: encoding = _get_encoding_from_headers(response.headers) return HTMLPage( response.content, encoding=encoding, url=response.url, cache_link_parsing=cache_link_parsing, ) def _get_html_page( link: Link, session: Optional[PipSession] = None ) -> Optional["HTMLPage"]: if session is None: raise TypeError( "_get_html_page() missing 1 required keyword argument: 'session'" ) url = link.url.split("#", 1)[0] # Check for VCS schemes that do not support lookup as web pages. vcs_scheme = _match_vcs_scheme(url) if vcs_scheme: logger.warning( "Cannot look at %s URL %s because it does not support lookup as web pages.", vcs_scheme, link, ) return None # Tack index.html onto file:// URLs that point to directories scheme, _, path, _, _, _ = urllib.parse.urlparse(url) if scheme == "file" and os.path.isdir(urllib.request.url2pathname(path)): # add trailing slash if not present so urljoin doesn't trim # final segment if not url.endswith("/"): url += "/" url = urllib.parse.urljoin(url, "index.html") logger.debug(" file: URL is directory, getting %s", url) try: resp = _get_html_response(url, session=session) except _NotHTTP: logger.warning( "Skipping page %s because it looks like an archive, and cannot " "be checked by a HTTP HEAD request.", link, ) except _NotHTML as exc: logger.warning( "Skipping page %s because the %s request got Content-Type: %s." "The only supported Content-Type is text/html", link, exc.request_desc, exc.content_type, ) except NetworkConnectionError as exc: _handle_get_page_fail(link, exc) except RetryError as exc: _handle_get_page_fail(link, exc) except SSLError as exc: reason = "There was a problem confirming the ssl certificate: " reason += str(exc) _handle_get_page_fail(link, reason, meth=logger.info) except requests.ConnectionError as exc: _handle_get_page_fail(link, f"connection error: {exc}") except requests.Timeout: _handle_get_page_fail(link, "timed out") else: return _make_html_page(resp, cache_link_parsing=link.cache_link_parsing) return None class CollectedSources(NamedTuple): find_links: Sequence[Optional[LinkSource]] index_urls: Sequence[Optional[LinkSource]] class LinkCollector: """ Responsible for collecting Link objects from all configured locations, making network requests as needed. The class's main method is its collect_sources() method. """ def __init__( self, session: PipSession, search_scope: SearchScope, ) -> None: self.search_scope = search_scope self.session = session @classmethod def create( cls, session: PipSession, options: Values, suppress_no_index: bool = False, ) -> "LinkCollector": """ :param session: The Session to use to make requests. :param suppress_no_index: Whether to ignore the --no-index option when constructing the SearchScope object. """ index_urls = [options.index_url] + options.extra_index_urls if options.no_index and not suppress_no_index: logger.debug( "Ignoring indexes: %s", ",".join(redact_auth_from_url(url) for url in index_urls), ) index_urls = [] # Make sure find_links is a list before passing to create(). find_links = options.find_links or [] search_scope = SearchScope.create( find_links=find_links, index_urls=index_urls, ) link_collector = LinkCollector( session=session, search_scope=search_scope, ) return link_collector @property def find_links(self) -> List[str]: return self.search_scope.find_links def fetch_page(self, location: Link) -> Optional[HTMLPage]: """ Fetch an HTML page containing package links. """ return _get_html_page(location, session=self.session) def collect_sources( self, project_name: str, candidates_from_page: CandidatesFromPage, ) -> CollectedSources: # The OrderedDict calls deduplicate sources by URL. index_url_sources = collections.OrderedDict( build_source( loc, candidates_from_page=candidates_from_page, page_validator=self.session.is_secure_origin, expand_dir=False, cache_link_parsing=False, ) for loc in self.search_scope.get_index_urls_locations(project_name) ).values() find_links_sources = collections.OrderedDict( build_source( loc, candidates_from_page=candidates_from_page, page_validator=self.session.is_secure_origin, expand_dir=True, cache_link_parsing=True, ) for loc in self.find_links ).values() if logger.isEnabledFor(logging.DEBUG): lines = [ f"* {s.link}" for s in itertools.chain(find_links_sources, index_url_sources) if s is not None and s.link is not None ] lines = [ f"{len(lines)} location(s) to search " f"for versions of {project_name}:" ] + lines logger.debug("\n".join(lines)) return CollectedSources( find_links=list(find_links_sources), index_urls=list(index_url_sources), ) _internal/index/package_finder.py 0000644 00000106770 15114542002 0013127 0 ustar 00 """Routines related to PyPI, indexes""" # The following comment should be removed at some point in the future. # mypy: strict-optional=False import functools import itertools import logging import re from typing import FrozenSet, Iterable, List, Optional, Set, Tuple, Union from pip._vendor.packaging import specifiers from pip._vendor.packaging.tags import Tag from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.packaging.version import _BaseVersion from pip._vendor.packaging.version import parse as parse_version from pip._internal.exceptions import ( BestVersionAlreadyInstalled, DistributionNotFound, InvalidWheelFilename, UnsupportedWheel, ) from pip._internal.index.collector import LinkCollector, parse_links from pip._internal.models.candidate import InstallationCandidate from pip._internal.models.format_control import FormatControl from pip._internal.models.link import Link from pip._internal.models.search_scope import SearchScope from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.models.target_python import TargetPython from pip._internal.models.wheel import Wheel from pip._internal.req import InstallRequirement from pip._internal.utils._log import getLogger from pip._internal.utils.filetypes import WHEEL_EXTENSION from pip._internal.utils.hashes import Hashes from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import build_netloc from pip._internal.utils.packaging import check_requires_python from pip._internal.utils.unpacking import SUPPORTED_EXTENSIONS from pip._internal.utils.urls import url_to_path __all__ = ["FormatControl", "BestCandidateResult", "PackageFinder"] logger = getLogger(__name__) BuildTag = Union[Tuple[()], Tuple[int, str]] CandidateSortingKey = Tuple[int, int, int, _BaseVersion, Optional[int], BuildTag] def _check_link_requires_python( link: Link, version_info: Tuple[int, int, int], ignore_requires_python: bool = False, ) -> bool: """ Return whether the given Python version is compatible with a link's "Requires-Python" value. :param version_info: A 3-tuple of ints representing the Python major-minor-micro version to check. :param ignore_requires_python: Whether to ignore the "Requires-Python" value if the given Python version isn't compatible. """ try: is_compatible = check_requires_python( link.requires_python, version_info=version_info, ) except specifiers.InvalidSpecifier: logger.debug( "Ignoring invalid Requires-Python (%r) for link: %s", link.requires_python, link, ) else: if not is_compatible: version = ".".join(map(str, version_info)) if not ignore_requires_python: logger.verbose( "Link requires a different Python (%s not in: %r): %s", version, link.requires_python, link, ) return False logger.debug( "Ignoring failed Requires-Python check (%s not in: %r) for link: %s", version, link.requires_python, link, ) return True class LinkEvaluator: """ Responsible for evaluating links for a particular project. """ _py_version_re = re.compile(r"-py([123]\.?[0-9]?)$") # Don't include an allow_yanked default value to make sure each call # site considers whether yanked releases are allowed. This also causes # that decision to be made explicit in the calling code, which helps # people when reading the code. def __init__( self, project_name: str, canonical_name: str, formats: FrozenSet[str], target_python: TargetPython, allow_yanked: bool, ignore_requires_python: Optional[bool] = None, ) -> None: """ :param project_name: The user supplied package name. :param canonical_name: The canonical package name. :param formats: The formats allowed for this package. Should be a set with 'binary' or 'source' or both in it. :param target_python: The target Python interpreter to use when evaluating link compatibility. This is used, for example, to check wheel compatibility, as well as when checking the Python version, e.g. the Python version embedded in a link filename (or egg fragment) and against an HTML link's optional PEP 503 "data-requires-python" attribute. :param allow_yanked: Whether files marked as yanked (in the sense of PEP 592) are permitted to be candidates for install. :param ignore_requires_python: Whether to ignore incompatible PEP 503 "data-requires-python" values in HTML links. Defaults to False. """ if ignore_requires_python is None: ignore_requires_python = False self._allow_yanked = allow_yanked self._canonical_name = canonical_name self._ignore_requires_python = ignore_requires_python self._formats = formats self._target_python = target_python self.project_name = project_name def evaluate_link(self, link: Link) -> Tuple[bool, Optional[str]]: """ Determine whether a link is a candidate for installation. :return: A tuple (is_candidate, result), where `result` is (1) a version string if `is_candidate` is True, and (2) if `is_candidate` is False, an optional string to log the reason the link fails to qualify. """ version = None if link.is_yanked and not self._allow_yanked: reason = link.yanked_reason or "<none given>" return (False, f"yanked for reason: {reason}") if link.egg_fragment: egg_info = link.egg_fragment ext = link.ext else: egg_info, ext = link.splitext() if not ext: return (False, "not a file") if ext not in SUPPORTED_EXTENSIONS: return (False, f"unsupported archive format: {ext}") if "binary" not in self._formats and ext == WHEEL_EXTENSION: reason = "No binaries permitted for {}".format(self.project_name) return (False, reason) if "macosx10" in link.path and ext == ".zip": return (False, "macosx10 one") if ext == WHEEL_EXTENSION: try: wheel = Wheel(link.filename) except InvalidWheelFilename: return (False, "invalid wheel filename") if canonicalize_name(wheel.name) != self._canonical_name: reason = "wrong project name (not {})".format(self.project_name) return (False, reason) supported_tags = self._target_python.get_tags() if not wheel.supported(supported_tags): # Include the wheel's tags in the reason string to # simplify troubleshooting compatibility issues. file_tags = wheel.get_formatted_file_tags() reason = ( "none of the wheel's tags ({}) are compatible " "(run pip debug --verbose to show compatible tags)".format( ", ".join(file_tags) ) ) return (False, reason) version = wheel.version # This should be up by the self.ok_binary check, but see issue 2700. if "source" not in self._formats and ext != WHEEL_EXTENSION: reason = f"No sources permitted for {self.project_name}" return (False, reason) if not version: version = _extract_version_from_fragment( egg_info, self._canonical_name, ) if not version: reason = f"Missing project version for {self.project_name}" return (False, reason) match = self._py_version_re.search(version) if match: version = version[: match.start()] py_version = match.group(1) if py_version != self._target_python.py_version: return (False, "Python version is incorrect") supports_python = _check_link_requires_python( link, version_info=self._target_python.py_version_info, ignore_requires_python=self._ignore_requires_python, ) if not supports_python: # Return None for the reason text to suppress calling # _log_skipped_link(). return (False, None) logger.debug("Found link %s, version: %s", link, version) return (True, version) def filter_unallowed_hashes( candidates: List[InstallationCandidate], hashes: Hashes, project_name: str, ) -> List[InstallationCandidate]: """ Filter out candidates whose hashes aren't allowed, and return a new list of candidates. If at least one candidate has an allowed hash, then all candidates with either an allowed hash or no hash specified are returned. Otherwise, the given candidates are returned. Including the candidates with no hash specified when there is a match allows a warning to be logged if there is a more preferred candidate with no hash specified. Returning all candidates in the case of no matches lets pip report the hash of the candidate that would otherwise have been installed (e.g. permitting the user to more easily update their requirements file with the desired hash). """ if not hashes: logger.debug( "Given no hashes to check %s links for project %r: " "discarding no candidates", len(candidates), project_name, ) # Make sure we're not returning back the given value. return list(candidates) matches_or_no_digest = [] # Collect the non-matches for logging purposes. non_matches = [] match_count = 0 for candidate in candidates: link = candidate.link if not link.has_hash: pass elif link.is_hash_allowed(hashes=hashes): match_count += 1 else: non_matches.append(candidate) continue matches_or_no_digest.append(candidate) if match_count: filtered = matches_or_no_digest else: # Make sure we're not returning back the given value. filtered = list(candidates) if len(filtered) == len(candidates): discard_message = "discarding no candidates" else: discard_message = "discarding {} non-matches:\n {}".format( len(non_matches), "\n ".join(str(candidate.link) for candidate in non_matches), ) logger.debug( "Checked %s links for project %r against %s hashes " "(%s matches, %s no digest): %s", len(candidates), project_name, hashes.digest_count, match_count, len(matches_or_no_digest) - match_count, discard_message, ) return filtered class CandidatePreferences: """ Encapsulates some of the preferences for filtering and sorting InstallationCandidate objects. """ def __init__( self, prefer_binary: bool = False, allow_all_prereleases: bool = False, ) -> None: """ :param allow_all_prereleases: Whether to allow all pre-releases. """ self.allow_all_prereleases = allow_all_prereleases self.prefer_binary = prefer_binary class BestCandidateResult: """A collection of candidates, returned by `PackageFinder.find_best_candidate`. This class is only intended to be instantiated by CandidateEvaluator's `compute_best_candidate()` method. """ def __init__( self, candidates: List[InstallationCandidate], applicable_candidates: List[InstallationCandidate], best_candidate: Optional[InstallationCandidate], ) -> None: """ :param candidates: A sequence of all available candidates found. :param applicable_candidates: The applicable candidates. :param best_candidate: The most preferred candidate found, or None if no applicable candidates were found. """ assert set(applicable_candidates) <= set(candidates) if best_candidate is None: assert not applicable_candidates else: assert best_candidate in applicable_candidates self._applicable_candidates = applicable_candidates self._candidates = candidates self.best_candidate = best_candidate def iter_all(self) -> Iterable[InstallationCandidate]: """Iterate through all candidates.""" return iter(self._candidates) def iter_applicable(self) -> Iterable[InstallationCandidate]: """Iterate through the applicable candidates.""" return iter(self._applicable_candidates) class CandidateEvaluator: """ Responsible for filtering and sorting candidates for installation based on what tags are valid. """ @classmethod def create( cls, project_name: str, target_python: Optional[TargetPython] = None, prefer_binary: bool = False, allow_all_prereleases: bool = False, specifier: Optional[specifiers.BaseSpecifier] = None, hashes: Optional[Hashes] = None, ) -> "CandidateEvaluator": """Create a CandidateEvaluator object. :param target_python: The target Python interpreter to use when checking compatibility. If None (the default), a TargetPython object will be constructed from the running Python. :param specifier: An optional object implementing `filter` (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable versions. :param hashes: An optional collection of allowed hashes. """ if target_python is None: target_python = TargetPython() if specifier is None: specifier = specifiers.SpecifierSet() supported_tags = target_python.get_tags() return cls( project_name=project_name, supported_tags=supported_tags, specifier=specifier, prefer_binary=prefer_binary, allow_all_prereleases=allow_all_prereleases, hashes=hashes, ) def __init__( self, project_name: str, supported_tags: List[Tag], specifier: specifiers.BaseSpecifier, prefer_binary: bool = False, allow_all_prereleases: bool = False, hashes: Optional[Hashes] = None, ) -> None: """ :param supported_tags: The PEP 425 tags supported by the target Python in order of preference (most preferred first). """ self._allow_all_prereleases = allow_all_prereleases self._hashes = hashes self._prefer_binary = prefer_binary self._project_name = project_name self._specifier = specifier self._supported_tags = supported_tags # Since the index of the tag in the _supported_tags list is used # as a priority, precompute a map from tag to index/priority to be # used in wheel.find_most_preferred_tag. self._wheel_tag_preferences = { tag: idx for idx, tag in enumerate(supported_tags) } def get_applicable_candidates( self, candidates: List[InstallationCandidate], ) -> List[InstallationCandidate]: """ Return the applicable candidates from a list of candidates. """ # Using None infers from the specifier instead. allow_prereleases = self._allow_all_prereleases or None specifier = self._specifier versions = { str(v) for v in specifier.filter( # We turn the version object into a str here because otherwise # when we're debundled but setuptools isn't, Python will see # packaging.version.Version and # pkg_resources._vendor.packaging.version.Version as different # types. This way we'll use a str as a common data interchange # format. If we stop using the pkg_resources provided specifier # and start using our own, we can drop the cast to str(). (str(c.version) for c in candidates), prereleases=allow_prereleases, ) } # Again, converting version to str to deal with debundling. applicable_candidates = [c for c in candidates if str(c.version) in versions] filtered_applicable_candidates = filter_unallowed_hashes( candidates=applicable_candidates, hashes=self._hashes, project_name=self._project_name, ) return sorted(filtered_applicable_candidates, key=self._sort_key) def _sort_key(self, candidate: InstallationCandidate) -> CandidateSortingKey: """ Function to pass as the `key` argument to a call to sorted() to sort InstallationCandidates by preference. Returns a tuple such that tuples sorting as greater using Python's default comparison operator are more preferred. The preference is as follows: First and foremost, candidates with allowed (matching) hashes are always preferred over candidates without matching hashes. This is because e.g. if the only candidate with an allowed hash is yanked, we still want to use that candidate. Second, excepting hash considerations, candidates that have been yanked (in the sense of PEP 592) are always less preferred than candidates that haven't been yanked. Then: If not finding wheels, they are sorted by version only. If finding wheels, then the sort order is by version, then: 1. existing installs 2. wheels ordered via Wheel.support_index_min(self._supported_tags) 3. source archives If prefer_binary was set, then all wheels are sorted above sources. Note: it was considered to embed this logic into the Link comparison operators, but then different sdist links with the same version, would have to be considered equal """ valid_tags = self._supported_tags support_num = len(valid_tags) build_tag: BuildTag = () binary_preference = 0 link = candidate.link if link.is_wheel: # can raise InvalidWheelFilename wheel = Wheel(link.filename) try: pri = -( wheel.find_most_preferred_tag( valid_tags, self._wheel_tag_preferences ) ) except ValueError: raise UnsupportedWheel( "{} is not a supported wheel for this platform. It " "can't be sorted.".format(wheel.filename) ) if self._prefer_binary: binary_preference = 1 if wheel.build_tag is not None: match = re.match(r"^(\d+)(.*)$", wheel.build_tag) build_tag_groups = match.groups() build_tag = (int(build_tag_groups[0]), build_tag_groups[1]) else: # sdist pri = -(support_num) has_allowed_hash = int(link.is_hash_allowed(self._hashes)) yank_value = -1 * int(link.is_yanked) # -1 for yanked. return ( has_allowed_hash, yank_value, binary_preference, candidate.version, pri, build_tag, ) def sort_best_candidate( self, candidates: List[InstallationCandidate], ) -> Optional[InstallationCandidate]: """ Return the best candidate per the instance's sort order, or None if no candidate is acceptable. """ if not candidates: return None best_candidate = max(candidates, key=self._sort_key) return best_candidate def compute_best_candidate( self, candidates: List[InstallationCandidate], ) -> BestCandidateResult: """ Compute and return a `BestCandidateResult` instance. """ applicable_candidates = self.get_applicable_candidates(candidates) best_candidate = self.sort_best_candidate(applicable_candidates) return BestCandidateResult( candidates, applicable_candidates=applicable_candidates, best_candidate=best_candidate, ) class PackageFinder: """This finds packages. This is meant to match easy_install's technique for looking for packages, by reading pages and looking for appropriate links. """ def __init__( self, link_collector: LinkCollector, target_python: TargetPython, allow_yanked: bool, format_control: Optional[FormatControl] = None, candidate_prefs: Optional[CandidatePreferences] = None, ignore_requires_python: Optional[bool] = None, ) -> None: """ This constructor is primarily meant to be used by the create() class method and from tests. :param format_control: A FormatControl object, used to control the selection of source packages / binary packages when consulting the index and links. :param candidate_prefs: Options to use when creating a CandidateEvaluator object. """ if candidate_prefs is None: candidate_prefs = CandidatePreferences() format_control = format_control or FormatControl(set(), set()) self._allow_yanked = allow_yanked self._candidate_prefs = candidate_prefs self._ignore_requires_python = ignore_requires_python self._link_collector = link_collector self._target_python = target_python self.format_control = format_control # These are boring links that have already been logged somehow. self._logged_links: Set[Link] = set() # Don't include an allow_yanked default value to make sure each call # site considers whether yanked releases are allowed. This also causes # that decision to be made explicit in the calling code, which helps # people when reading the code. @classmethod def create( cls, link_collector: LinkCollector, selection_prefs: SelectionPreferences, target_python: Optional[TargetPython] = None, ) -> "PackageFinder": """Create a PackageFinder. :param selection_prefs: The candidate selection preferences, as a SelectionPreferences object. :param target_python: The target Python interpreter to use when checking compatibility. If None (the default), a TargetPython object will be constructed from the running Python. """ if target_python is None: target_python = TargetPython() candidate_prefs = CandidatePreferences( prefer_binary=selection_prefs.prefer_binary, allow_all_prereleases=selection_prefs.allow_all_prereleases, ) return cls( candidate_prefs=candidate_prefs, link_collector=link_collector, target_python=target_python, allow_yanked=selection_prefs.allow_yanked, format_control=selection_prefs.format_control, ignore_requires_python=selection_prefs.ignore_requires_python, ) @property def target_python(self) -> TargetPython: return self._target_python @property def search_scope(self) -> SearchScope: return self._link_collector.search_scope @search_scope.setter def search_scope(self, search_scope: SearchScope) -> None: self._link_collector.search_scope = search_scope @property def find_links(self) -> List[str]: return self._link_collector.find_links @property def index_urls(self) -> List[str]: return self.search_scope.index_urls @property def trusted_hosts(self) -> Iterable[str]: for host_port in self._link_collector.session.pip_trusted_origins: yield build_netloc(*host_port) @property def allow_all_prereleases(self) -> bool: return self._candidate_prefs.allow_all_prereleases def set_allow_all_prereleases(self) -> None: self._candidate_prefs.allow_all_prereleases = True @property def prefer_binary(self) -> bool: return self._candidate_prefs.prefer_binary def set_prefer_binary(self) -> None: self._candidate_prefs.prefer_binary = True def make_link_evaluator(self, project_name: str) -> LinkEvaluator: canonical_name = canonicalize_name(project_name) formats = self.format_control.get_allowed_formats(canonical_name) return LinkEvaluator( project_name=project_name, canonical_name=canonical_name, formats=formats, target_python=self._target_python, allow_yanked=self._allow_yanked, ignore_requires_python=self._ignore_requires_python, ) def _sort_links(self, links: Iterable[Link]) -> List[Link]: """ Returns elements of links in order, non-egg links first, egg links second, while eliminating duplicates """ eggs, no_eggs = [], [] seen: Set[Link] = set() for link in links: if link not in seen: seen.add(link) if link.egg_fragment: eggs.append(link) else: no_eggs.append(link) return no_eggs + eggs def _log_skipped_link(self, link: Link, reason: str) -> None: if link not in self._logged_links: # Put the link at the end so the reason is more visible and because # the link string is usually very long. logger.debug("Skipping link: %s: %s", reason, link) self._logged_links.add(link) def get_install_candidate( self, link_evaluator: LinkEvaluator, link: Link ) -> Optional[InstallationCandidate]: """ If the link is a candidate for install, convert it to an InstallationCandidate and return it. Otherwise, return None. """ is_candidate, result = link_evaluator.evaluate_link(link) if not is_candidate: if result: self._log_skipped_link(link, reason=result) return None return InstallationCandidate( name=link_evaluator.project_name, link=link, version=result, ) def evaluate_links( self, link_evaluator: LinkEvaluator, links: Iterable[Link] ) -> List[InstallationCandidate]: """ Convert links that are candidates to InstallationCandidate objects. """ candidates = [] for link in self._sort_links(links): candidate = self.get_install_candidate(link_evaluator, link) if candidate is not None: candidates.append(candidate) return candidates def process_project_url( self, project_url: Link, link_evaluator: LinkEvaluator ) -> List[InstallationCandidate]: logger.debug( "Fetching project page and analyzing links: %s", project_url, ) html_page = self._link_collector.fetch_page(project_url) if html_page is None: return [] page_links = list(parse_links(html_page)) with indent_log(): package_links = self.evaluate_links( link_evaluator, links=page_links, ) return package_links @functools.lru_cache(maxsize=None) def find_all_candidates(self, project_name: str) -> List[InstallationCandidate]: """Find all available InstallationCandidate for project_name This checks index_urls and find_links. All versions found are returned as an InstallationCandidate list. See LinkEvaluator.evaluate_link() for details on which files are accepted. """ link_evaluator = self.make_link_evaluator(project_name) collected_sources = self._link_collector.collect_sources( project_name=project_name, candidates_from_page=functools.partial( self.process_project_url, link_evaluator=link_evaluator, ), ) page_candidates_it = itertools.chain.from_iterable( source.page_candidates() for sources in collected_sources for source in sources if source is not None ) page_candidates = list(page_candidates_it) file_links_it = itertools.chain.from_iterable( source.file_links() for sources in collected_sources for source in sources if source is not None ) file_candidates = self.evaluate_links( link_evaluator, sorted(file_links_it, reverse=True), ) if logger.isEnabledFor(logging.DEBUG) and file_candidates: paths = [url_to_path(c.link.url) for c in file_candidates] logger.debug("Local files found: %s", ", ".join(paths)) # This is an intentional priority ordering return file_candidates + page_candidates def make_candidate_evaluator( self, project_name: str, specifier: Optional[specifiers.BaseSpecifier] = None, hashes: Optional[Hashes] = None, ) -> CandidateEvaluator: """Create a CandidateEvaluator object to use.""" candidate_prefs = self._candidate_prefs return CandidateEvaluator.create( project_name=project_name, target_python=self._target_python, prefer_binary=candidate_prefs.prefer_binary, allow_all_prereleases=candidate_prefs.allow_all_prereleases, specifier=specifier, hashes=hashes, ) @functools.lru_cache(maxsize=None) def find_best_candidate( self, project_name: str, specifier: Optional[specifiers.BaseSpecifier] = None, hashes: Optional[Hashes] = None, ) -> BestCandidateResult: """Find matches for the given project and specifier. :param specifier: An optional object implementing `filter` (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable versions. :return: A `BestCandidateResult` instance. """ candidates = self.find_all_candidates(project_name) candidate_evaluator = self.make_candidate_evaluator( project_name=project_name, specifier=specifier, hashes=hashes, ) return candidate_evaluator.compute_best_candidate(candidates) def find_requirement( self, req: InstallRequirement, upgrade: bool ) -> Optional[InstallationCandidate]: """Try to find a Link matching req Expects req, an InstallRequirement and upgrade, a boolean Returns a InstallationCandidate if found, Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise """ hashes = req.hashes(trust_internet=False) best_candidate_result = self.find_best_candidate( req.name, specifier=req.specifier, hashes=hashes, ) best_candidate = best_candidate_result.best_candidate installed_version: Optional[_BaseVersion] = None if req.satisfied_by is not None: installed_version = parse_version(req.satisfied_by.version) def _format_versions(cand_iter: Iterable[InstallationCandidate]) -> str: # This repeated parse_version and str() conversion is needed to # handle different vendoring sources from pip and pkg_resources. # If we stop using the pkg_resources provided specifier and start # using our own, we can drop the cast to str(). return ( ", ".join( sorted( {str(c.version) for c in cand_iter}, key=parse_version, ) ) or "none" ) if installed_version is None and best_candidate is None: logger.critical( "Could not find a version that satisfies the requirement %s " "(from versions: %s)", req, _format_versions(best_candidate_result.iter_all()), ) raise DistributionNotFound( "No matching distribution found for {}".format(req) ) best_installed = False if installed_version and ( best_candidate is None or best_candidate.version <= installed_version ): best_installed = True if not upgrade and installed_version is not None: if best_installed: logger.debug( "Existing installed version (%s) is most up-to-date and " "satisfies requirement", installed_version, ) else: logger.debug( "Existing installed version (%s) satisfies requirement " "(most up-to-date version is %s)", installed_version, best_candidate.version, ) return None if best_installed: # We have an existing version, and its the best version logger.debug( "Installed version (%s) is most up-to-date (past versions: %s)", installed_version, _format_versions(best_candidate_result.iter_applicable()), ) raise BestVersionAlreadyInstalled logger.debug( "Using version %s (newest of versions: %s)", best_candidate.version, _format_versions(best_candidate_result.iter_applicable()), ) return best_candidate def _find_name_version_sep(fragment: str, canonical_name: str) -> int: """Find the separator's index based on the package's canonical name. :param fragment: A <package>+<version> filename "fragment" (stem) or egg fragment. :param canonical_name: The package's canonical name. This function is needed since the canonicalized name does not necessarily have the same length as the egg info's name part. An example:: >>> fragment = 'foo__bar-1.0' >>> canonical_name = 'foo-bar' >>> _find_name_version_sep(fragment, canonical_name) 8 """ # Project name and version must be separated by one single dash. Find all # occurrences of dashes; if the string in front of it matches the canonical # name, this is the one separating the name and version parts. for i, c in enumerate(fragment): if c != "-": continue if canonicalize_name(fragment[:i]) == canonical_name: return i raise ValueError(f"{fragment} does not match {canonical_name}") def _extract_version_from_fragment(fragment: str, canonical_name: str) -> Optional[str]: """Parse the version string from a <package>+<version> filename "fragment" (stem) or egg fragment. :param fragment: The string to parse. E.g. foo-2.1 :param canonical_name: The canonicalized name of the package this belongs to. """ try: version_start = _find_name_version_sep(fragment, canonical_name) + 1 except ValueError: return None version = fragment[version_start:] if not version: return None return version _internal/index/sources.py 0000644 00000014635 15114542002 0011666 0 ustar 00 import logging import mimetypes import os import pathlib from typing import Callable, Iterable, Optional, Tuple from pip._internal.models.candidate import InstallationCandidate from pip._internal.models.link import Link from pip._internal.utils.urls import path_to_url, url_to_path from pip._internal.vcs import is_url logger = logging.getLogger(__name__) FoundCandidates = Iterable[InstallationCandidate] FoundLinks = Iterable[Link] CandidatesFromPage = Callable[[Link], Iterable[InstallationCandidate]] PageValidator = Callable[[Link], bool] class LinkSource: @property def link(self) -> Optional[Link]: """Returns the underlying link, if there's one.""" raise NotImplementedError() def page_candidates(self) -> FoundCandidates: """Candidates found by parsing an archive listing HTML file.""" raise NotImplementedError() def file_links(self) -> FoundLinks: """Links found by specifying archives directly.""" raise NotImplementedError() def _is_html_file(file_url: str) -> bool: return mimetypes.guess_type(file_url, strict=False)[0] == "text/html" class _FlatDirectorySource(LinkSource): """Link source specified by ``--find-links=<path-to-dir>``. This looks the content of the directory, and returns: * ``page_candidates``: Links listed on each HTML file in the directory. * ``file_candidates``: Archives in the directory. """ def __init__( self, candidates_from_page: CandidatesFromPage, path: str, ) -> None: self._candidates_from_page = candidates_from_page self._path = pathlib.Path(os.path.realpath(path)) @property def link(self) -> Optional[Link]: return None def page_candidates(self) -> FoundCandidates: for path in self._path.iterdir(): url = path_to_url(str(path)) if not _is_html_file(url): continue yield from self._candidates_from_page(Link(url)) def file_links(self) -> FoundLinks: for path in self._path.iterdir(): url = path_to_url(str(path)) if _is_html_file(url): continue yield Link(url) class _LocalFileSource(LinkSource): """``--find-links=<path-or-url>`` or ``--[extra-]index-url=<path-or-url>``. If a URL is supplied, it must be a ``file:`` URL. If a path is supplied to the option, it is converted to a URL first. This returns: * ``page_candidates``: Links listed on an HTML file. * ``file_candidates``: The non-HTML file. """ def __init__( self, candidates_from_page: CandidatesFromPage, link: Link, ) -> None: self._candidates_from_page = candidates_from_page self._link = link @property def link(self) -> Optional[Link]: return self._link def page_candidates(self) -> FoundCandidates: if not _is_html_file(self._link.url): return yield from self._candidates_from_page(self._link) def file_links(self) -> FoundLinks: if _is_html_file(self._link.url): return yield self._link class _RemoteFileSource(LinkSource): """``--find-links=<url>`` or ``--[extra-]index-url=<url>``. This returns: * ``page_candidates``: Links listed on an HTML file. * ``file_candidates``: The non-HTML file. """ def __init__( self, candidates_from_page: CandidatesFromPage, page_validator: PageValidator, link: Link, ) -> None: self._candidates_from_page = candidates_from_page self._page_validator = page_validator self._link = link @property def link(self) -> Optional[Link]: return self._link def page_candidates(self) -> FoundCandidates: if not self._page_validator(self._link): return yield from self._candidates_from_page(self._link) def file_links(self) -> FoundLinks: yield self._link class _IndexDirectorySource(LinkSource): """``--[extra-]index-url=<path-to-directory>``. This is treated like a remote URL; ``candidates_from_page`` contains logic for this by appending ``index.html`` to the link. """ def __init__( self, candidates_from_page: CandidatesFromPage, link: Link, ) -> None: self._candidates_from_page = candidates_from_page self._link = link @property def link(self) -> Optional[Link]: return self._link def page_candidates(self) -> FoundCandidates: yield from self._candidates_from_page(self._link) def file_links(self) -> FoundLinks: return () def build_source( location: str, *, candidates_from_page: CandidatesFromPage, page_validator: PageValidator, expand_dir: bool, cache_link_parsing: bool, ) -> Tuple[Optional[str], Optional[LinkSource]]: path: Optional[str] = None url: Optional[str] = None if os.path.exists(location): # Is a local path. url = path_to_url(location) path = location elif location.startswith("file:"): # A file: URL. url = location path = url_to_path(location) elif is_url(location): url = location if url is None: msg = ( "Location '%s' is ignored: " "it is either a non-existing path or lacks a specific scheme." ) logger.warning(msg, location) return (None, None) if path is None: source: LinkSource = _RemoteFileSource( candidates_from_page=candidates_from_page, page_validator=page_validator, link=Link(url, cache_link_parsing=cache_link_parsing), ) return (url, source) if os.path.isdir(path): if expand_dir: source = _FlatDirectorySource( candidates_from_page=candidates_from_page, path=path, ) else: source = _IndexDirectorySource( candidates_from_page=candidates_from_page, link=Link(url, cache_link_parsing=cache_link_parsing), ) return (url, source) elif os.path.isfile(path): source = _LocalFileSource( candidates_from_page=candidates_from_page, link=Link(url, cache_link_parsing=cache_link_parsing), ) return (url, source) logger.warning( "Location '%s' is ignored: it is neither a file nor a directory.", location, ) return (url, None) _internal/locations/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000024512 15114542002 0020047 0 ustar 00 a [��fl8 � @ s� U d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZmZm Z m Z m Z m Z d dl mZmZ d dlmZ d dlmZ d dlmZ ddlmZmZ dd lmZmZm Z m Z m Z m Z g d �Z e�!e"�Z#ej$�%d �r�ej&Z'nej(Z'e)ed d �Z*e+e,d< ej-dkZ.e/d�dd�Z0ee+e+f e/d�dd�Z1e j2dd�e/d�dd��Z3e j2dd�e/d�dd��Z4e j2dd�e/d�dd ��Z5e j2dd�e/d�d d ��Z6e e+ e e+ d �d d!�Z7e j2dd�ej8ej8e+dd"�d#d$��Z9ej8ej8e+e/d"�d%d&�Z:e j2dd�d'dddd(�e/e e+ e e+ e e+ dd)�d*d+��Z;d@e+e/e e+ e e+ e/e e+ ed,�d-d.�Z<e+d�d/d0�Z=e+d�d1d2�Z>e+e/d3�d4d5�Z?e+d�d6d7�Z@e+d�d8d9�ZAe+e+e e+ d:�d;d<�ZBe+e e+ d=�d>d?�ZCdS )A� N)�Any�Dict�Iterator�List�Optional�Tuple)� SCHEME_KEYS�Scheme)�WINDOWS)� deprecated)�running_under_virtualenv� )� _distutils� _sysconfig)�USER_CACHE_DIR�get_major_minor_version�get_src_prefix�is_osx_framework� site_packages� user_site) r �get_bin_prefix� get_bin_userr � get_platlib�get_prefixed_libs� get_purelib� get_schemer r r Z"_PIP_LOCATIONS_NO_WARN_ON_MISMATCH� platlibdir�lib� _PLATLIBDIR)� � )�returnc C s: ddl m} z| d d }W n ty0 Y dS 0 |dkS )zsThe resolution to bpo-44860 will change this incorrect platlib. 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See <https://bugs.python.org/issue44860>. """ from distutils.command.install import INSTALL_SCHEMES # type: ignore try: unix_user_platlib = INSTALL_SCHEMES["unix_user"]["platlib"] except KeyError: return False return unix_user_platlib == "$usersite" def _looks_like_red_hat_patched_platlib_purelib(scheme: Dict[str, str]) -> bool: platlib = scheme["platlib"] if "/$platlibdir/" in platlib and hasattr(sys, "platlibdir"): platlib = platlib.replace("/$platlibdir/", f"/{sys.platlibdir}/") if "/lib64/" not in platlib: return False unpatched = platlib.replace("/lib64/", "/lib/") return unpatched.replace("$platbase/", "$base/") == scheme["purelib"] @functools.lru_cache(maxsize=None) def _looks_like_red_hat_lib() -> bool: """Red Hat patches platlib in unix_prefix and unix_home, but not purelib. This is the only way I can see to tell a Red Hat-patched Python. """ from distutils.command.install import INSTALL_SCHEMES # type: ignore return all( k in INSTALL_SCHEMES and _looks_like_red_hat_patched_platlib_purelib(INSTALL_SCHEMES[k]) for k in ("unix_prefix", "unix_home") ) @functools.lru_cache(maxsize=None) def _looks_like_debian_scheme() -> bool: """Debian adds two additional schemes.""" from distutils.command.install import INSTALL_SCHEMES # type: ignore return "deb_system" in INSTALL_SCHEMES and "unix_local" in INSTALL_SCHEMES @functools.lru_cache(maxsize=None) def _looks_like_red_hat_scheme() -> bool: """Red Hat patches ``sys.prefix`` and ``sys.exec_prefix``. Red Hat's ``00251-change-user-install-location.patch`` changes the install command's ``prefix`` and ``exec_prefix`` to append ``"/local"``. This is (fortunately?) done quite unconditionally, so we create a default command object without any configuration to detect this. """ from distutils.command.install import install from distutils.dist import Distribution cmd: Any = install(Distribution()) cmd.finalize_options() return ( cmd.exec_prefix == f"{os.path.normpath(sys.exec_prefix)}/local" and cmd.prefix == f"{os.path.normpath(sys.prefix)}/local" ) @functools.lru_cache(maxsize=None) def _looks_like_msys2_mingw_scheme() -> bool: """MSYS2 patches distutils and sysconfig to use a UNIX-like scheme. However, MSYS2 incorrectly patches sysconfig ``nt`` scheme. The fix is likely going to be included in their 3.10 release, so we ignore the warning. See msys2/MINGW-packages#9319. MSYS2 MINGW's patch uses lowercase ``"lib"`` instead of the usual uppercase, and is missing the final ``"site-packages"``. """ paths = sysconfig.get_paths("nt", expand=False) return all( "Lib" not in p and "lib" in p and not p.endswith("site-packages") for p in (paths[key] for key in ("platlib", "purelib")) ) def _fix_abiflags(parts: Tuple[str]) -> Iterator[str]: ldversion = sysconfig.get_config_var("LDVERSION") abiflags: str = getattr(sys, "abiflags", None) # LDVERSION does not end with sys.abiflags. Just return the path unchanged. if not ldversion or not abiflags or not ldversion.endswith(abiflags): yield from parts return # Strip sys.abiflags from LDVERSION-based path components. for part in parts: if part.endswith(ldversion): part = part[: (0 - len(abiflags))] yield part @functools.lru_cache(maxsize=None) def _warn_mismatched(old: pathlib.Path, new: pathlib.Path, *, key: str) -> None: issue_url = "https://github.com/pypa/pip/issues/10151" message = ( "Value for %s does not match. Please report this to <%s>" "\ndistutils: %s" "\nsysconfig: %s" ) logger.log(_MISMATCH_LEVEL, message, key, issue_url, old, new) def _warn_if_mismatch(old: pathlib.Path, new: pathlib.Path, *, key: str) -> bool: if old == new: return False _warn_mismatched(old, new, key=key) return True @functools.lru_cache(maxsize=None) def _log_context( *, user: bool = False, home: Optional[str] = None, root: Optional[str] = None, prefix: Optional[str] = None, ) -> None: parts = [ "Additional context:", "user = %r", "home = %r", "root = %r", "prefix = %r", ] logger.log(_MISMATCH_LEVEL, "\n".join(parts), user, home, root, prefix) def get_scheme( dist_name: str, user: bool = False, home: Optional[str] = None, root: Optional[str] = None, isolated: bool = False, prefix: Optional[str] = None, ) -> Scheme: new = _sysconfig.get_scheme( dist_name, user=user, home=home, root=root, isolated=isolated, prefix=prefix, ) if _USE_SYSCONFIG: return new old = _distutils.get_scheme( dist_name, user=user, home=home, root=root, isolated=isolated, prefix=prefix, ) warning_contexts = [] for k in SCHEME_KEYS: old_v = pathlib.Path(getattr(old, k)) new_v = pathlib.Path(getattr(new, k)) if old_v == new_v: continue # distutils incorrectly put PyPy packages under ``site-packages/python`` # in the ``posix_home`` scheme, but PyPy devs said they expect the # directory name to be ``pypy`` instead. So we treat this as a bug fix # and not warn about it. See bpo-43307 and python/cpython#24628. skip_pypy_special_case = ( sys.implementation.name == "pypy" and home is not None and k in ("platlib", "purelib") and old_v.parent == new_v.parent and old_v.name.startswith("python") and new_v.name.startswith("pypy") ) if skip_pypy_special_case: continue # sysconfig's ``osx_framework_user`` does not include ``pythonX.Y`` in # the ``include`` value, but distutils's ``headers`` does. We'll let # CPython decide whether this is a bug or feature. See bpo-43948. skip_osx_framework_user_special_case = ( user and is_osx_framework() and k == "headers" and old_v.parent.parent == new_v.parent and old_v.parent.name.startswith("python") ) if skip_osx_framework_user_special_case: continue # On Red Hat and derived Linux distributions, distutils is patched to # use "lib64" instead of "lib" for platlib. if k == "platlib" and _looks_like_red_hat_lib(): continue # On Python 3.9+, sysconfig's posix_user scheme sets platlib against # sys.platlibdir, but distutils's unix_user incorrectly coninutes # using the same $usersite for both platlib and purelib. This creates a # mismatch when sys.platlibdir is not "lib". skip_bpo_44860 = ( user and k == "platlib" and not WINDOWS and sys.version_info >= (3, 9) and _PLATLIBDIR != "lib" and _looks_like_bpo_44860() ) if skip_bpo_44860: continue # Both Debian and Red Hat patch Python to place the system site under # /usr/local instead of /usr. Debian also places lib in dist-packages # instead of site-packages, but the /usr/local check should cover it. skip_linux_system_special_case = ( not (user or home or prefix or running_under_virtualenv()) and old_v.parts[1:3] == ("usr", "local") and len(new_v.parts) > 1 and new_v.parts[1] == "usr" and (len(new_v.parts) < 3 or new_v.parts[2] != "local") and (_looks_like_red_hat_scheme() or _looks_like_debian_scheme()) ) if skip_linux_system_special_case: continue # On Python 3.7 and earlier, sysconfig does not include sys.abiflags in # the "pythonX.Y" part of the path, but distutils does. skip_sysconfig_abiflag_bug = ( sys.version_info < (3, 8) and not WINDOWS and k in ("headers", "platlib", "purelib") and tuple(_fix_abiflags(old_v.parts)) == new_v.parts ) if skip_sysconfig_abiflag_bug: continue # MSYS2 MINGW's sysconfig patch does not include the "site-packages" # part of the path. This is incorrect and will be fixed in MSYS. skip_msys2_mingw_bug = ( WINDOWS and k in ("platlib", "purelib") and _looks_like_msys2_mingw_scheme() ) if skip_msys2_mingw_bug: continue # CPython's POSIX install script invokes pip (via ensurepip) against the # interpreter located in the source tree, not the install site. This # triggers special logic in sysconfig that's not present in distutils. # https://github.com/python/cpython/blob/8c21941ddaf/Lib/sysconfig.py#L178-L194 skip_cpython_build = ( sysconfig.is_python_build(check_home=True) and not WINDOWS and k in ("headers", "include", "platinclude") ) if skip_cpython_build: continue warning_contexts.append((old_v, new_v, f"scheme.{k}")) if not warning_contexts: return old # Check if this path mismatch is caused by distutils config files. Those # files will no longer work once we switch to sysconfig, so this raises a # deprecation message for them. default_old = _distutils.distutils_scheme( dist_name, user, home, root, isolated, prefix, ignore_config_files=True, ) if any(default_old[k] != getattr(old, k) for k in SCHEME_KEYS): deprecated( reason=( "Configuring installation scheme with distutils config files " "is deprecated and will no longer work in the near future. If you " "are using a Homebrew or Linuxbrew Python, please see discussion " "at https://github.com/Homebrew/homebrew-core/issues/76621" ), replacement=None, gone_in=None, ) return old # Post warnings about this mismatch so user can report them back. for old_v, new_v, key in warning_contexts: _warn_mismatched(old_v, new_v, key=key) _log_context(user=user, home=home, root=root, prefix=prefix) return old def get_bin_prefix() -> str: new = _sysconfig.get_bin_prefix() if _USE_SYSCONFIG: return new old = _distutils.get_bin_prefix() if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="bin_prefix"): _log_context() return old def get_bin_user() -> str: return _sysconfig.get_scheme("", user=True).scripts def _looks_like_deb_system_dist_packages(value: str) -> bool: """Check if the value is Debian's APT-controlled dist-packages. Debian's ``distutils.sysconfig.get_python_lib()`` implementation returns the default package path controlled by APT, but does not patch ``sysconfig`` to do the same. This is similar to the bug worked around in ``get_scheme()``, but here the default is ``deb_system`` instead of ``unix_local``. Ultimately we can't do anything about this Debian bug, and this detection allows us to skip the warning when needed. """ if not _looks_like_debian_scheme(): return False if value == "/usr/lib/python3/dist-packages": return True return False def get_purelib() -> str: """Return the default pure-Python lib location.""" new = _sysconfig.get_purelib() if _USE_SYSCONFIG: return new old = _distutils.get_purelib() if _looks_like_deb_system_dist_packages(old): return old if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="purelib"): _log_context() return old def get_platlib() -> str: """Return the default platform-shared lib location.""" new = _sysconfig.get_platlib() if _USE_SYSCONFIG: return new old = _distutils.get_platlib() if _looks_like_deb_system_dist_packages(old): return old if _warn_if_mismatch(pathlib.Path(old), pathlib.Path(new), key="platlib"): _log_context() return old def _deduplicated(v1: str, v2: str) -> List[str]: """Deduplicate values from a list.""" if v1 == v2: return [v1] return [v1, v2] def get_prefixed_libs(prefix: str) -> List[str]: """Return the lib locations under ``prefix``.""" new_pure, new_plat = _sysconfig.get_prefixed_libs(prefix) if _USE_SYSCONFIG: return _deduplicated(new_pure, new_plat) old_pure, old_plat = _distutils.get_prefixed_libs(prefix) warned = [ _warn_if_mismatch( pathlib.Path(old_pure), pathlib.Path(new_pure), key="prefixed-purelib", ), _warn_if_mismatch( pathlib.Path(old_plat), pathlib.Path(new_plat), key="prefixed-platlib", ), ] if any(warned): _log_context(prefix=prefix) return _deduplicated(old_pure, old_plat) _internal/locations/_distutils.py 0000644 00000013357 15114542002 0013252 0 ustar 00 """Locations where we look for configs, install stuff, etc""" # The following comment should be removed at some point in the future. # mypy: strict-optional=False import logging import os import sys from distutils.cmd import Command as DistutilsCommand from distutils.command.install import SCHEME_KEYS from distutils.command.install import install as distutils_install_command from distutils.sysconfig import get_python_lib from typing import Dict, List, Optional, Tuple, Union, cast from pip._internal.models.scheme import Scheme from pip._internal.utils.compat import WINDOWS from pip._internal.utils.virtualenv import running_under_virtualenv from .base import get_major_minor_version logger = logging.getLogger(__name__) def distutils_scheme( dist_name: str, user: bool = False, home: str = None, root: str = None, isolated: bool = False, prefix: str = None, *, ignore_config_files: bool = False, ) -> Dict[str, str]: """ Return a distutils install scheme """ from distutils.dist import Distribution dist_args: Dict[str, Union[str, List[str]]] = {"name": dist_name} if isolated: dist_args["script_args"] = ["--no-user-cfg"] d = Distribution(dist_args) if not ignore_config_files: try: d.parse_config_files() except UnicodeDecodeError: # Typeshed does not include find_config_files() for some reason. paths = d.find_config_files() # type: ignore logger.warning( "Ignore distutils configs in %s due to encoding errors.", ", ".join(os.path.basename(p) for p in paths), ) obj: Optional[DistutilsCommand] = None obj = d.get_command_obj("install", create=True) assert obj is not None i = cast(distutils_install_command, obj) # NOTE: setting user or home has the side-effect of creating the home dir # or user base for installations during finalize_options() # ideally, we'd prefer a scheme class that has no side-effects. assert not (user and prefix), f"user={user} prefix={prefix}" assert not (home and prefix), f"home={home} prefix={prefix}" i.user = user or i.user if user or home: i.prefix = "" i.prefix = prefix or i.prefix i.home = home or i.home i.root = root or i.root i.finalize_options() scheme = {} for key in SCHEME_KEYS: scheme[key] = getattr(i, "install_" + key) # install_lib specified in setup.cfg should install *everything* # into there (i.e. it takes precedence over both purelib and # platlib). Note, i.install_lib is *always* set after # finalize_options(); we only want to override here if the user # has explicitly requested it hence going back to the config if "install_lib" in d.get_option_dict("install"): scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib)) if running_under_virtualenv(): if home: prefix = home elif user: prefix = i.install_userbase # type: ignore else: prefix = i.prefix scheme["headers"] = os.path.join( prefix, "include", "site", f"python{get_major_minor_version()}", dist_name, ) if root is not None: path_no_drive = os.path.splitdrive(os.path.abspath(scheme["headers"]))[1] scheme["headers"] = os.path.join(root, path_no_drive[1:]) return scheme def get_scheme( dist_name: str, user: bool = False, home: Optional[str] = None, root: Optional[str] = None, isolated: bool = False, prefix: Optional[str] = None, ) -> Scheme: """ Get the "scheme" corresponding to the input parameters. The distutils documentation provides the context for the available schemes: https://docs.python.org/3/install/index.html#alternate-installation :param dist_name: the name of the package to retrieve the scheme for, used in the headers scheme path :param user: indicates to use the "user" scheme :param home: indicates to use the "home" scheme and provides the base directory for the same :param root: root under which other directories are re-based :param isolated: equivalent to --no-user-cfg, i.e. do not consider ~/.pydistutils.cfg (posix) or ~/pydistutils.cfg (non-posix) for scheme paths :param prefix: indicates to use the "prefix" scheme and provides the base directory for the same """ scheme = distutils_scheme(dist_name, user, home, root, isolated, prefix) return Scheme( platlib=scheme["platlib"], purelib=scheme["purelib"], headers=scheme["headers"], scripts=scheme["scripts"], data=scheme["data"], ) def get_bin_prefix() -> str: # XXX: In old virtualenv versions, sys.prefix can contain '..' components, # so we need to call normpath to eliminate them. prefix = os.path.normpath(sys.prefix) if WINDOWS: bin_py = os.path.join(prefix, "Scripts") # buildout uses 'bin' on Windows too? if not os.path.exists(bin_py): bin_py = os.path.join(prefix, "bin") return bin_py # Forcing to use /usr/local/bin for standard macOS framework installs # Also log to ~/Library/Logs/ for use with the Console.app log viewer if sys.platform[:6] == "darwin" and prefix[:16] == "/System/Library/": return "/usr/local/bin" return os.path.join(prefix, "bin") def get_purelib() -> str: return get_python_lib(plat_specific=False) def get_platlib() -> str: return get_python_lib(plat_specific=True) def get_prefixed_libs(prefix: str) -> Tuple[str, str]: return ( get_python_lib(plat_specific=False, prefix=prefix), get_python_lib(plat_specific=True, prefix=prefix), ) _internal/locations/_sysconfig.py 0000644 00000017356 15114542002 0013235 0 ustar 00 import distutils.util # FIXME: For change_root. import logging import os import sys import sysconfig import typing from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid from pip._internal.models.scheme import SCHEME_KEYS, Scheme from pip._internal.utils.virtualenv import running_under_virtualenv from .base import get_major_minor_version, is_osx_framework logger = logging.getLogger(__name__) # Notes on _infer_* functions. # Unfortunately ``get_default_scheme()`` didn't exist before 3.10, so there's no # way to ask things like "what is the '_prefix' scheme on this platform". These # functions try to answer that with some heuristics while accounting for ad-hoc # platforms not covered by CPython's default sysconfig implementation. If the # ad-hoc implementation does not fully implement sysconfig, we'll fall back to # a POSIX scheme. _AVAILABLE_SCHEMES = set(sysconfig.get_scheme_names()) _PREFERRED_SCHEME_API = getattr(sysconfig, "get_preferred_scheme", None) def _should_use_osx_framework_prefix() -> bool: """Check for Apple's ``osx_framework_library`` scheme. Python distributed by Apple's Command Line Tools has this special scheme that's used when: * This is a framework build. * We are installing into the system prefix. This does not account for ``pip install --prefix`` (also means we're not installing to the system prefix), which should use ``posix_prefix``, but logic here means ``_infer_prefix()`` outputs ``osx_framework_library``. But since ``prefix`` is not available for ``sysconfig.get_default_scheme()``, which is the stdlib replacement for ``_infer_prefix()``, presumably Apple wouldn't be able to magically switch between ``osx_framework_library`` and ``posix_prefix``. ``_infer_prefix()`` returning ``osx_framework_library`` means its behavior is consistent whether we use the stdlib implementation or our own, and we deal with this special case in ``get_scheme()`` instead. """ return ( "osx_framework_library" in _AVAILABLE_SCHEMES and not running_under_virtualenv() and is_osx_framework() ) def _infer_prefix() -> str: """Try to find a prefix scheme for the current platform. This tries: * A special ``osx_framework_library`` for Python distributed by Apple's Command Line Tools, when not running in a virtual environment. * Implementation + OS, used by PyPy on Windows (``pypy_nt``). * Implementation without OS, used by PyPy on POSIX (``pypy``). * OS + "prefix", used by CPython on POSIX (``posix_prefix``). * Just the OS name, used by CPython on Windows (``nt``). If none of the above works, fall back to ``posix_prefix``. """ if _PREFERRED_SCHEME_API: return _PREFERRED_SCHEME_API("prefix") if _should_use_osx_framework_prefix(): return "osx_framework_library" implementation_suffixed = f"{sys.implementation.name}_{os.name}" if implementation_suffixed in _AVAILABLE_SCHEMES: return implementation_suffixed if sys.implementation.name in _AVAILABLE_SCHEMES: return sys.implementation.name suffixed = f"{os.name}_prefix" if suffixed in _AVAILABLE_SCHEMES: return suffixed if os.name in _AVAILABLE_SCHEMES: # On Windows, prefx is just called "nt". return os.name return "posix_prefix" def _infer_user() -> str: """Try to find a user scheme for the current platform.""" if _PREFERRED_SCHEME_API: return _PREFERRED_SCHEME_API("user") if is_osx_framework() and not running_under_virtualenv(): suffixed = "osx_framework_user" else: suffixed = f"{os.name}_user" if suffixed in _AVAILABLE_SCHEMES: return suffixed if "posix_user" not in _AVAILABLE_SCHEMES: # User scheme unavailable. raise UserInstallationInvalid() return "posix_user" def _infer_home() -> str: """Try to find a home for the current platform.""" if _PREFERRED_SCHEME_API: return _PREFERRED_SCHEME_API("home") suffixed = f"{os.name}_home" if suffixed in _AVAILABLE_SCHEMES: return suffixed return "posix_home" # Update these keys if the user sets a custom home. _HOME_KEYS = [ "installed_base", "base", "installed_platbase", "platbase", "prefix", "exec_prefix", ] if sysconfig.get_config_var("userbase") is not None: _HOME_KEYS.append("userbase") def get_scheme( dist_name: str, user: bool = False, home: typing.Optional[str] = None, root: typing.Optional[str] = None, isolated: bool = False, prefix: typing.Optional[str] = None, ) -> Scheme: """ Get the "scheme" corresponding to the input parameters. :param dist_name: the name of the package to retrieve the scheme for, used in the headers scheme path :param user: indicates to use the "user" scheme :param home: indicates to use the "home" scheme :param root: root under which other directories are re-based :param isolated: ignored, but kept for distutils compatibility (where this controls whether the user-site pydistutils.cfg is honored) :param prefix: indicates to use the "prefix" scheme and provides the base directory for the same """ if user and prefix: raise InvalidSchemeCombination("--user", "--prefix") if home and prefix: raise InvalidSchemeCombination("--home", "--prefix") if home is not None: scheme_name = _infer_home() elif user: scheme_name = _infer_user() else: scheme_name = _infer_prefix() # Special case: When installing into a custom prefix, use posix_prefix # instead of osx_framework_library. See _should_use_osx_framework_prefix() # docstring for details. if prefix is not None and scheme_name == "osx_framework_library": scheme_name = "posix_prefix" if home is not None: variables = {k: home for k in _HOME_KEYS} elif prefix is not None: variables = {k: prefix for k in _HOME_KEYS} else: variables = {} paths = sysconfig.get_paths(scheme=scheme_name, vars=variables) # Logic here is very arbitrary, we're doing it for compatibility, don't ask. # 1. Pip historically uses a special header path in virtual environments. # 2. If the distribution name is not known, distutils uses 'UNKNOWN'. We # only do the same when not running in a virtual environment because # pip's historical header path logic (see point 1) did not do this. if running_under_virtualenv(): if user: base = variables.get("userbase", sys.prefix) else: base = variables.get("base", sys.prefix) python_xy = f"python{get_major_minor_version()}" paths["include"] = os.path.join(base, "include", "site", python_xy) elif not dist_name: dist_name = "UNKNOWN" scheme = Scheme( platlib=paths["platlib"], purelib=paths["purelib"], headers=os.path.join(paths["include"], dist_name), scripts=paths["scripts"], data=paths["data"], ) if root is not None: for key in SCHEME_KEYS: value = distutils.util.change_root(root, getattr(scheme, key)) setattr(scheme, key, value) return scheme def get_bin_prefix() -> str: # Forcing to use /usr/local/bin for standard macOS framework installs. if sys.platform[:6] == "darwin" and sys.prefix[:16] == "/System/Library/": return "/usr/local/bin" return sysconfig.get_paths()["scripts"] def get_purelib() -> str: return sysconfig.get_paths()["purelib"] def get_platlib() -> str: return sysconfig.get_paths()["platlib"] def get_prefixed_libs(prefix: str) -> typing.Tuple[str, str]: paths = sysconfig.get_paths(vars={"base": prefix, "platbase": prefix}) return (paths["purelib"], paths["platlib"]) _internal/locations/base.py 0000644 00000003053 15114542002 0011771 0 ustar 00 import functools import os import site import sys import sysconfig import typing from pip._internal.utils import appdirs from pip._internal.utils.virtualenv import running_under_virtualenv # Application Directories USER_CACHE_DIR = appdirs.user_cache_dir("pip") # FIXME doesn't account for venv linked to global site-packages site_packages: typing.Optional[str] = sysconfig.get_path("purelib") def get_major_minor_version() -> str: """ Return the major-minor version of the current Python as a string, e.g. "3.7" or "3.10". 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N)r Ziter_distributionsr2 )r( r r2 r# r r r! �_search_distributionm s z Environment._search_distributionc C sD | � |�}|r|S z| j�|� W n tjy8 Y d S 0 | � |�S r% )rU rP Zrequirer ZDistributionNotFound)r( r r# r r r! �get_distributiony s z Environment.get_distributionc c s | j D ]}t|�V qd S r% )rP r" r' r r r! �_iter_distributions� s z Environment._iter_distributions)r r r r rS r) rI r rQ r r r rT r rU rV r rW r r r r! rN a s rN )'Z email.messagerL Zlogging�typingr r r r r r Z pip._vendorr Z"pip._vendor.packaging.requirementsr Zpip._vendor.packaging.utilsr r Z pip._vendor.packaging.versionr r3 Zpip._internal.utilsr Z pip._internal.utils.packagingr r Zpip._internal.utils.wheelr �baser r r r r Z getLoggerr �loggerr r" rN r r r r! �<module> s B _internal/metadata/__init__.py 0000644 00000003174 15114542002 0012407 0 ustar 00 from typing import List, Optional from .base import BaseDistribution, BaseEnvironment, FilesystemWheel, MemoryWheel, Wheel __all__ = [ "BaseDistribution", "BaseEnvironment", "FilesystemWheel", "MemoryWheel", "Wheel", "get_default_environment", "get_environment", "get_wheel_distribution", ] def get_default_environment() -> BaseEnvironment: """Get the default representation for the current environment. This returns an Environment instance from the chosen backend. The default Environment instance should be built from ``sys.path`` and may use caching to share instance state accorss calls. """ from .pkg_resources import Environment return Environment.default() def get_environment(paths: Optional[List[str]]) -> BaseEnvironment: """Get a representation of the environment specified by ``paths``. This returns an Environment instance from the chosen backend based on the given import paths. The backend must build a fresh instance representing the state of installed distributions when this function is called. """ from .pkg_resources import Environment return Environment.from_paths(paths) def get_wheel_distribution(wheel: Wheel, canonical_name: str) -> BaseDistribution: """Get the representation of the specified wheel's distribution metadata. This returns a Distribution instance from the chosen backend based on the given wheel's ``.dist-info`` directory. :param canonical_name: Normalized project name of the given wheel. """ from .pkg_resources import Distribution return Distribution.from_wheel(wheel, canonical_name) _internal/metadata/base.py 0000644 00000025537 15114542002 0011571 0 ustar 00 import email.message import json import logging import re import zipfile from typing import ( IO, TYPE_CHECKING, Collection, Container, Iterable, Iterator, List, Optional, Union, ) from pip._vendor.packaging.requirements import Requirement from pip._vendor.packaging.specifiers import InvalidSpecifier, SpecifierSet from pip._vendor.packaging.utils import NormalizedName from pip._vendor.packaging.version import LegacyVersion, Version from pip._internal.models.direct_url import ( DIRECT_URL_METADATA_NAME, DirectUrl, DirectUrlValidationError, ) from pip._internal.utils.compat import stdlib_pkgs # TODO: Move definition here. from pip._internal.utils.egg_link import egg_link_path_from_sys_path from pip._internal.utils.urls import url_to_path if TYPE_CHECKING: from typing import Protocol else: Protocol = object DistributionVersion = Union[LegacyVersion, Version] logger = logging.getLogger(__name__) class BaseEntryPoint(Protocol): @property def name(self) -> str: raise NotImplementedError() @property def value(self) -> str: raise NotImplementedError() @property def group(self) -> str: raise NotImplementedError() class BaseDistribution(Protocol): def __repr__(self) -> str: return f"{self.raw_name} {self.version} ({self.location})" def __str__(self) -> str: return f"{self.raw_name} {self.version}" @property def location(self) -> Optional[str]: """Where the distribution is loaded from. A string value is not necessarily a filesystem path, since distributions can be loaded from other sources, e.g. arbitrary zip archives. ``None`` means the distribution is created in-memory. Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If this is a symbolic link, we want to preserve the relative path between it and files in the distribution. """ raise NotImplementedError() @property def editable_project_location(self) -> Optional[str]: """The project location for editable distributions. This is the directory where pyproject.toml or setup.py is located. None if the distribution is not installed in editable mode. """ # TODO: this property is relatively costly to compute, memoize it ? direct_url = self.direct_url if direct_url: if direct_url.is_local_editable(): return url_to_path(direct_url.url) else: # Search for an .egg-link file by walking sys.path, as it was # done before by dist_is_editable(). egg_link_path = egg_link_path_from_sys_path(self.raw_name) if egg_link_path: # TODO: get project location from second line of egg_link file # (https://github.com/pypa/pip/issues/10243) return self.location return None @property def info_directory(self) -> Optional[str]: """Location of the .[egg|dist]-info directory. Similarly to ``location``, a string value is not necessarily a filesystem path. ``None`` means the distribution is created in-memory. For a modern .dist-info installation on disk, this should be something like ``{location}/{raw_name}-{version}.dist-info``. Do not canonicalize this value with e.g. ``pathlib.Path.resolve()``. If this is a symbolic link, we want to preserve the relative path between it and other files in the distribution. """ raise NotImplementedError() @property def canonical_name(self) -> NormalizedName: raise NotImplementedError() @property def version(self) -> DistributionVersion: raise NotImplementedError() @property def direct_url(self) -> Optional[DirectUrl]: """Obtain a DirectUrl from this distribution. Returns None if the distribution has no `direct_url.json` metadata, or if `direct_url.json` is invalid. """ try: content = self.read_text(DIRECT_URL_METADATA_NAME) except FileNotFoundError: return None try: return DirectUrl.from_json(content) except ( UnicodeDecodeError, json.JSONDecodeError, DirectUrlValidationError, ) as e: logger.warning( "Error parsing %s for %s: %s", DIRECT_URL_METADATA_NAME, self.canonical_name, e, ) return None @property def installer(self) -> str: raise NotImplementedError() @property def editable(self) -> bool: return bool(self.editable_project_location) @property def local(self) -> bool: raise NotImplementedError() @property def in_usersite(self) -> bool: raise NotImplementedError() @property def in_site_packages(self) -> bool: raise NotImplementedError() def read_text(self, name: str) -> str: """Read a file in the .dist-info (or .egg-info) directory. Should raise ``FileNotFoundError`` if ``name`` does not exist in the metadata directory. """ raise NotImplementedError() def iter_entry_points(self) -> Iterable[BaseEntryPoint]: raise NotImplementedError() @property def metadata(self) -> email.message.Message: """Metadata of distribution parsed from e.g. METADATA or PKG-INFO.""" raise NotImplementedError() @property def metadata_version(self) -> Optional[str]: """Value of "Metadata-Version:" in distribution metadata, if available.""" return self.metadata.get("Metadata-Version") @property def raw_name(self) -> str: """Value of "Name:" in distribution metadata.""" # The metadata should NEVER be missing the Name: key, but if it somehow # does, fall back to the known canonical name. return self.metadata.get("Name", self.canonical_name) @property def requires_python(self) -> SpecifierSet: """Value of "Requires-Python:" in distribution metadata. If the key does not exist or contains an invalid value, an empty SpecifierSet should be returned. """ value = self.metadata.get("Requires-Python") if value is None: return SpecifierSet() try: # Convert to str to satisfy the type checker; this can be a Header object. spec = SpecifierSet(str(value)) except InvalidSpecifier as e: message = "Package %r has an invalid Requires-Python: %s" logger.warning(message, self.raw_name, e) return SpecifierSet() return spec def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]: """Dependencies of this distribution. For modern .dist-info distributions, this is the collection of "Requires-Dist:" entries in distribution metadata. """ raise NotImplementedError() def iter_provided_extras(self) -> Iterable[str]: """Extras provided by this distribution. For modern .dist-info distributions, this is the collection of "Provides-Extra:" entries in distribution metadata. """ raise NotImplementedError() class BaseEnvironment: """An environment containing distributions to introspect.""" @classmethod def default(cls) -> "BaseEnvironment": raise NotImplementedError() @classmethod def from_paths(cls, paths: Optional[List[str]]) -> "BaseEnvironment": raise NotImplementedError() def get_distribution(self, name: str) -> Optional["BaseDistribution"]: """Given a requirement name, return the installed distributions.""" raise NotImplementedError() def _iter_distributions(self) -> Iterator["BaseDistribution"]: """Iterate through installed distributions. This function should be implemented by subclass, but never called directly. Use the public ``iter_distribution()`` instead, which implements additional logic to make sure the distributions are valid. """ raise NotImplementedError() def iter_distributions(self) -> Iterator["BaseDistribution"]: """Iterate through installed distributions.""" for dist in self._iter_distributions(): # Make sure the distribution actually comes from a valid Python # packaging distribution. Pip's AdjacentTempDirectory leaves folders # e.g. ``~atplotlib.dist-info`` if cleanup was interrupted. The # valid project name pattern is taken from PEP 508. project_name_valid = re.match( r"^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$", dist.canonical_name, flags=re.IGNORECASE, ) if not project_name_valid: logger.warning( "Ignoring invalid distribution %s (%s)", dist.canonical_name, dist.location, ) continue yield dist def iter_installed_distributions( self, local_only: bool = True, skip: Container[str] = stdlib_pkgs, include_editables: bool = True, editables_only: bool = False, user_only: bool = False, ) -> Iterator[BaseDistribution]: """Return a list of installed distributions. :param local_only: If True (default), only return installations local to the current virtualenv, if in a virtualenv. :param skip: An iterable of canonicalized project names to ignore; defaults to ``stdlib_pkgs``. :param include_editables: If False, don't report editables. :param editables_only: If True, only report editables. :param user_only: If True, only report installations in the user site directory. """ it = self.iter_distributions() if local_only: it = (d for d in it if d.local) if not include_editables: it = (d for d in it if not d.editable) if editables_only: it = (d for d in it if d.editable) if user_only: it = (d for d in it if d.in_usersite) return (d for d in it if d.canonical_name not in skip) class Wheel(Protocol): location: str def as_zipfile(self) -> zipfile.ZipFile: raise NotImplementedError() class FilesystemWheel(Wheel): def __init__(self, location: str) -> None: self.location = location def as_zipfile(self) -> zipfile.ZipFile: return zipfile.ZipFile(self.location, allowZip64=True) class MemoryWheel(Wheel): def __init__(self, location: str, stream: IO[bytes]) -> None: self.location = location self.stream = stream def as_zipfile(self) -> zipfile.ZipFile: return zipfile.ZipFile(self.stream, allowZip64=True) _internal/metadata/pkg_resources.py 0000644 00000011741 15114542002 0013522 0 ustar 00 import email.message import logging from typing import Collection, Iterable, Iterator, List, NamedTuple, Optional from pip._vendor import pkg_resources from pip._vendor.packaging.requirements import Requirement from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._vendor.packaging.version import parse as parse_version from pip._internal.utils import misc # TODO: Move definition here. from pip._internal.utils.packaging import get_installer, get_metadata from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel from .base import ( BaseDistribution, BaseEntryPoint, BaseEnvironment, DistributionVersion, Wheel, ) logger = logging.getLogger(__name__) class EntryPoint(NamedTuple): name: str value: str group: str class Distribution(BaseDistribution): def __init__(self, dist: pkg_resources.Distribution) -> None: self._dist = dist @classmethod def from_wheel(cls, wheel: Wheel, name: str) -> "Distribution": with wheel.as_zipfile() as zf: dist = pkg_resources_distribution_for_wheel(zf, name, wheel.location) return cls(dist) @property def location(self) -> Optional[str]: return self._dist.location @property def info_directory(self) -> Optional[str]: return self._dist.egg_info @property def canonical_name(self) -> NormalizedName: return canonicalize_name(self._dist.project_name) @property def version(self) -> DistributionVersion: return parse_version(self._dist.version) @property def installer(self) -> str: return get_installer(self._dist) @property def local(self) -> bool: return misc.dist_is_local(self._dist) @property def in_usersite(self) -> bool: return misc.dist_in_usersite(self._dist) @property def in_site_packages(self) -> bool: return misc.dist_in_site_packages(self._dist) def read_text(self, name: str) -> str: if not self._dist.has_metadata(name): raise FileNotFoundError(name) return self._dist.get_metadata(name) def iter_entry_points(self) -> Iterable[BaseEntryPoint]: for group, entries in self._dist.get_entry_map().items(): for name, entry_point in entries.items(): name, _, value = str(entry_point).partition("=") yield EntryPoint(name=name.strip(), value=value.strip(), group=group) @property def metadata(self) -> email.message.Message: return get_metadata(self._dist) def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]: if extras: # pkg_resources raises on invalid extras, so we sanitize. extras = frozenset(extras).intersection(self._dist.extras) return self._dist.requires(extras) def iter_provided_extras(self) -> Iterable[str]: return self._dist.extras class Environment(BaseEnvironment): def __init__(self, ws: pkg_resources.WorkingSet) -> None: self._ws = ws @classmethod def default(cls) -> BaseEnvironment: return cls(pkg_resources.working_set) @classmethod def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment: return cls(pkg_resources.WorkingSet(paths)) def _search_distribution(self, name: str) -> Optional[BaseDistribution]: """Find a distribution matching the ``name`` in the environment. This searches from *all* distributions available in the environment, to match the behavior of ``pkg_resources.get_distribution()``. """ canonical_name = canonicalize_name(name) for dist in self.iter_distributions(): if dist.canonical_name == canonical_name: return dist return None def get_distribution(self, name: str) -> Optional[BaseDistribution]: # Search the distribution by looking through the working set. dist = self._search_distribution(name) if dist: return dist # If distribution could not be found, call working_set.require to # update the working set, and try to find the distribution again. # This might happen for e.g. when you install a package twice, once # using setup.py develop and again using setup.py install. Now when # running pip uninstall twice, the package gets removed from the # working set in the first uninstall, so we have to populate the # working set again so that pip knows about it and the packages gets # picked up and is successfully uninstalled the second time too. try: # We didn't pass in any version specifiers, so this can never # raise pkg_resources.VersionConflict. self._ws.require(name) except pkg_resources.DistributionNotFound: return None return self._search_distribution(name) def _iter_distributions(self) -> Iterator[BaseDistribution]: for dist in self._ws: yield Distribution(dist) _internal/models/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000340 15114542002 0017330 0 ustar 00 a [��f? � @ s d Z dS )z8A package that contains models that represent entities. 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((-(?P<build>\d[^-]*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?) \.whl|\.dist-info)$N)�filename�returnc s� � j �|�}|s t|� d���|� _|�d��dd�� _|�d��dd�� _|�d�� _|�d�� d�� _ |�d �� d�� _ |�d �� d�� _ � fd d �� j D �� _ d S )zX :raises InvalidWheelFilename: when the filename is invalid for a wheel z is not a valid wheel filename.�name�_�-ZverZbuildZpyver�.ZabiZplatc s0 h | ](}� j D ] }� jD ]}t|||��qqqS � )�abis�platsr )�.0�x�y�z��selfr �>/usr/lib/python3.9/site-packages/pip/_internal/models/wheel.py� <setcomp>( s z!Wheel.__init__.<locals>.<setcomp>N)� wheel_file_re�matchr r �group�replacer �versionZ build_tag�splitZ pyversionsr r � file_tags)r r Z wheel_infor r r �__init__ s �zWheel.__init__)r c C s t dd� | jD ��S )z4Return the wheel's tags as a sorted list of strings.c s s | ]}t |�V qd S �N)�str�r �tagr r r � <genexpr>. � z0Wheel.get_formatted_file_tags.<locals>.<genexpr>)�sortedr r r r r �get_formatted_file_tags, s z Wheel.get_formatted_file_tags)�tagsr c s t � fdd�| jD ��S )a� Return the lowest index that one of the wheel's file_tag combinations achieves in the given list of supported tags. 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This is used in place of support_index_min in some cases in order to avoid an expensive linear scan of a large list of tags. :param tags: the PEP 425 tags to check the wheel against. :param tag_to_priority: a mapping from tag to priority of that tag, where lower is more preferred. :raises ValueError: If none of the wheel's file tags match one of the supported tags. c 3 s | ]}|� v r� | V qd S r! r r# �r0 r r r% P s z0Wheel.find_most_preferred_tag.<locals>.<genexpr>r, )r r) r0 r r1 r �find_most_preferred_tag? s �z Wheel.find_most_preferred_tagc C s | j �|� S )z�Return whether the wheel is compatible with one of the given tags. :param tags: the PEP 425 tags to check the wheel against. )r � isdisjointr. r r r � supportedT s zWheel.supported)�__name__� __module__� __qualname__�__doc__�re�compile�VERBOSEr r" r r r( r �intr/ r r2 r �boolr4 r r r r r s �� r ) r8 r9 �typingr r r Zpip._vendor.packaging.tagsr Zpip._internal.exceptionsr r r r r r �<module> s _internal/models/__init__.py 0000644 00000000077 15114542002 0012111 0 ustar 00 """A package that contains models that represent entities. """ _internal/models/candidate.py 0000644 00000001736 15114542002 0012271 0 ustar 00 from pip._vendor.packaging.version import parse as parse_version from pip._internal.models.link import Link from pip._internal.utils.models import KeyBasedCompareMixin class InstallationCandidate(KeyBasedCompareMixin): """Represents a potential "candidate" for installation.""" __slots__ = ["name", "version", "link"] def __init__(self, name: str, version: str, link: Link) -> None: self.name = name self.version = parse_version(version) self.link = link super().__init__( key=(self.name, self.version, self.link), defining_class=InstallationCandidate, ) def __repr__(self) -> str: return "<InstallationCandidate({!r}, {!r}, {!r})>".format( self.name, self.version, self.link, ) def __str__(self) -> str: return "{!r} candidate (version {} at {})".format( self.name, self.version, self.link, ) _internal/models/direct_url.py 0000644 00000014316 15114542002 0012507 0 ustar 00 """ PEP 610 """ import json import re import urllib.parse from typing import Any, Dict, Iterable, Optional, Type, TypeVar, Union __all__ = [ "DirectUrl", "DirectUrlValidationError", "DirInfo", "ArchiveInfo", "VcsInfo", ] T = TypeVar("T") DIRECT_URL_METADATA_NAME = "direct_url.json" ENV_VAR_RE = re.compile(r"^\$\{[A-Za-z0-9-_]+\}(:\$\{[A-Za-z0-9-_]+\})?$") class DirectUrlValidationError(Exception): pass def _get( d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None ) -> Optional[T]: """Get value from dictionary and verify expected type.""" if key not in d: return default value = d[key] if not isinstance(value, expected_type): raise DirectUrlValidationError( "{!r} has unexpected type for {} (expected {})".format( value, key, expected_type ) ) return value def _get_required( d: Dict[str, Any], expected_type: Type[T], key: str, default: Optional[T] = None ) -> T: value = _get(d, expected_type, key, default) if value is None: raise DirectUrlValidationError(f"{key} must have a value") return value def _exactly_one_of(infos: Iterable[Optional["InfoType"]]) -> "InfoType": infos = [info for info in infos if info is not None] if not infos: raise DirectUrlValidationError( "missing one of archive_info, dir_info, vcs_info" ) if len(infos) > 1: raise DirectUrlValidationError( "more than one of archive_info, dir_info, vcs_info" ) assert infos[0] is not None return infos[0] def _filter_none(**kwargs: Any) -> Dict[str, Any]: """Make dict excluding None values.""" return {k: v for k, v in kwargs.items() if v is not None} class VcsInfo: name = "vcs_info" def __init__( self, vcs: str, commit_id: str, requested_revision: Optional[str] = None, resolved_revision: Optional[str] = None, resolved_revision_type: Optional[str] = None, ) -> None: self.vcs = vcs self.requested_revision = requested_revision self.commit_id = commit_id self.resolved_revision = resolved_revision self.resolved_revision_type = resolved_revision_type @classmethod def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["VcsInfo"]: if d is None: return None return cls( vcs=_get_required(d, str, "vcs"), commit_id=_get_required(d, str, "commit_id"), requested_revision=_get(d, str, "requested_revision"), resolved_revision=_get(d, str, "resolved_revision"), resolved_revision_type=_get(d, str, "resolved_revision_type"), ) def _to_dict(self) -> Dict[str, Any]: return _filter_none( vcs=self.vcs, requested_revision=self.requested_revision, commit_id=self.commit_id, resolved_revision=self.resolved_revision, resolved_revision_type=self.resolved_revision_type, ) class ArchiveInfo: name = "archive_info" def __init__( self, hash: Optional[str] = None, ) -> None: self.hash = hash @classmethod def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["ArchiveInfo"]: if d is None: return None return cls(hash=_get(d, str, "hash")) def _to_dict(self) -> Dict[str, Any]: return _filter_none(hash=self.hash) class DirInfo: name = "dir_info" def __init__( self, editable: bool = False, ) -> None: self.editable = editable @classmethod def _from_dict(cls, d: Optional[Dict[str, Any]]) -> Optional["DirInfo"]: if d is None: return None return cls(editable=_get_required(d, bool, "editable", default=False)) def _to_dict(self) -> Dict[str, Any]: return _filter_none(editable=self.editable or None) InfoType = Union[ArchiveInfo, DirInfo, VcsInfo] class DirectUrl: def __init__( self, url: str, info: InfoType, subdirectory: Optional[str] = None, ) -> None: self.url = url self.info = info self.subdirectory = subdirectory def _remove_auth_from_netloc(self, netloc: str) -> str: if "@" not in netloc: return netloc user_pass, netloc_no_user_pass = netloc.split("@", 1) if ( isinstance(self.info, VcsInfo) and self.info.vcs == "git" and user_pass == "git" ): return netloc if ENV_VAR_RE.match(user_pass): return netloc return netloc_no_user_pass @property def redacted_url(self) -> str: """url with user:password part removed unless it is formed with environment variables as specified in PEP 610, or it is ``git`` in the case of a git URL. """ purl = urllib.parse.urlsplit(self.url) netloc = self._remove_auth_from_netloc(purl.netloc) surl = urllib.parse.urlunsplit( (purl.scheme, netloc, purl.path, purl.query, purl.fragment) ) return surl def validate(self) -> None: self.from_dict(self.to_dict()) @classmethod def from_dict(cls, d: Dict[str, Any]) -> "DirectUrl": return DirectUrl( url=_get_required(d, str, "url"), subdirectory=_get(d, str, "subdirectory"), info=_exactly_one_of( [ ArchiveInfo._from_dict(_get(d, dict, "archive_info")), DirInfo._from_dict(_get(d, dict, "dir_info")), VcsInfo._from_dict(_get(d, dict, "vcs_info")), ] ), ) def to_dict(self) -> Dict[str, Any]: res = _filter_none( url=self.redacted_url, subdirectory=self.subdirectory, ) res[self.info.name] = self.info._to_dict() return res @classmethod def from_json(cls, s: str) -> "DirectUrl": return cls.from_dict(json.loads(s)) def to_json(self) -> str: return json.dumps(self.to_dict(), sort_keys=True) def is_local_editable(self) -> bool: return isinstance(self.info, DirInfo) and self.info.editable _internal/models/format_control.py 0000644 00000004730 15114542002 0013402 0 ustar 00 from typing import FrozenSet, Optional, Set from pip._vendor.packaging.utils import canonicalize_name from pip._internal.exceptions import CommandError class FormatControl: """Helper for managing formats from which a package can be installed.""" __slots__ = ["no_binary", "only_binary"] def __init__( self, no_binary: Optional[Set[str]] = None, only_binary: Optional[Set[str]] = None, ) -> None: if no_binary is None: no_binary = set() if only_binary is None: only_binary = set() self.no_binary = no_binary self.only_binary = only_binary def __eq__(self, other: object) -> bool: if not isinstance(other, self.__class__): return NotImplemented if self.__slots__ != other.__slots__: return False return all(getattr(self, k) == getattr(other, k) for k in self.__slots__) def __repr__(self) -> str: return "{}({}, {})".format( self.__class__.__name__, self.no_binary, self.only_binary ) @staticmethod def handle_mutual_excludes(value: str, target: Set[str], other: Set[str]) -> None: if value.startswith("-"): raise CommandError( "--no-binary / --only-binary option requires 1 argument." ) new = value.split(",") while ":all:" in new: other.clear() target.clear() target.add(":all:") del new[: new.index(":all:") + 1] # Without a none, we want to discard everything as :all: covers it if ":none:" not in new: return for name in new: if name == ":none:": target.clear() continue name = canonicalize_name(name) other.discard(name) target.add(name) def get_allowed_formats(self, canonical_name: str) -> FrozenSet[str]: result = {"binary", "source"} if canonical_name in self.only_binary: result.discard("source") elif canonical_name in self.no_binary: result.discard("binary") elif ":all:" in self.only_binary: result.discard("source") elif ":all:" in self.no_binary: result.discard("binary") return frozenset(result) def disallow_binaries(self) -> None: self.handle_mutual_excludes( ":all:", self.no_binary, self.only_binary, ) _internal/models/index.py 0000644 00000002006 15114542002 0011453 0 ustar 00 import urllib.parse class PackageIndex: """Represents a Package Index and provides easier access to endpoints""" __slots__ = ["url", "netloc", "simple_url", "pypi_url", "file_storage_domain"] def __init__(self, url: str, file_storage_domain: str) -> None: super().__init__() self.url = url self.netloc = urllib.parse.urlsplit(url).netloc self.simple_url = self._url_for_path("simple") self.pypi_url = self._url_for_path("pypi") # This is part of a temporary hack used to block installs of PyPI # packages which depend on external urls only necessary until PyPI can # block such packages themselves self.file_storage_domain = file_storage_domain def _url_for_path(self, path: str) -> str: return urllib.parse.urljoin(self.url, path) PyPI = PackageIndex("https://pypi.org/", file_storage_domain="files.pythonhosted.org") TestPyPI = PackageIndex( "https://test.pypi.org/", file_storage_domain="test-files.pythonhosted.org" ) _internal/models/link.py 0000644 00000023131 15114542002 0011303 0 ustar 00 import functools import logging import os import posixpath import re import urllib.parse from typing import TYPE_CHECKING, Dict, List, NamedTuple, Optional, Tuple, Union from pip._internal.utils.filetypes import WHEEL_EXTENSION from pip._internal.utils.hashes import Hashes from pip._internal.utils.misc import ( redact_auth_from_url, split_auth_from_netloc, splitext, ) from pip._internal.utils.models import KeyBasedCompareMixin from pip._internal.utils.urls import path_to_url, url_to_path if TYPE_CHECKING: from pip._internal.index.collector import HTMLPage logger = logging.getLogger(__name__) _SUPPORTED_HASHES = ("sha1", "sha224", "sha384", "sha256", "sha512", "md5") class Link(KeyBasedCompareMixin): """Represents a parsed link from a Package Index's simple URL""" __slots__ = [ "_parsed_url", "_url", "comes_from", "requires_python", "yanked_reason", "cache_link_parsing", ] def __init__( self, url: str, comes_from: Optional[Union[str, "HTMLPage"]] = None, requires_python: Optional[str] = None, yanked_reason: Optional[str] = None, cache_link_parsing: bool = True, ) -> None: """ :param url: url of the resource pointed to (href of the link) :param comes_from: instance of HTMLPage where the link was found, or string. :param requires_python: String containing the `Requires-Python` metadata field, specified in PEP 345. This may be specified by a data-requires-python attribute in the HTML link tag, as described in PEP 503. :param yanked_reason: the reason the file has been yanked, if the file has been yanked, or None if the file hasn't been yanked. This is the value of the "data-yanked" attribute, if present, in a simple repository HTML link. If the file has been yanked but no reason was provided, this should be the empty string. See PEP 592 for more information and the specification. :param cache_link_parsing: A flag that is used elsewhere to determine whether resources retrieved from this link should be cached. PyPI index urls should generally have this set to False, for example. """ # url can be a UNC windows share if url.startswith("\\\\"): url = path_to_url(url) self._parsed_url = urllib.parse.urlsplit(url) # Store the url as a private attribute to prevent accidentally # trying to set a new value. self._url = url self.comes_from = comes_from self.requires_python = requires_python if requires_python else None self.yanked_reason = yanked_reason super().__init__(key=url, defining_class=Link) self.cache_link_parsing = cache_link_parsing def __str__(self) -> str: if self.requires_python: rp = f" (requires-python:{self.requires_python})" else: rp = "" if self.comes_from: return "{} (from {}){}".format( redact_auth_from_url(self._url), self.comes_from, rp ) else: return redact_auth_from_url(str(self._url)) def __repr__(self) -> str: return f"<Link {self}>" @property def url(self) -> str: return self._url @property def filename(self) -> str: path = self.path.rstrip("/") name = posixpath.basename(path) if not name: # Make sure we don't leak auth information if the netloc # includes a username and password. netloc, user_pass = split_auth_from_netloc(self.netloc) return netloc name = urllib.parse.unquote(name) assert name, f"URL {self._url!r} produced no filename" return name @property def file_path(self) -> str: return url_to_path(self.url) @property def scheme(self) -> str: return self._parsed_url.scheme @property def netloc(self) -> str: """ This can contain auth information. """ return self._parsed_url.netloc @property def path(self) -> str: return urllib.parse.unquote(self._parsed_url.path) def splitext(self) -> Tuple[str, str]: return splitext(posixpath.basename(self.path.rstrip("/"))) @property def ext(self) -> str: return self.splitext()[1] @property def url_without_fragment(self) -> str: scheme, netloc, path, query, fragment = self._parsed_url return urllib.parse.urlunsplit((scheme, netloc, path, query, "")) _egg_fragment_re = re.compile(r"[#&]egg=([^&]*)") @property def egg_fragment(self) -> Optional[str]: match = self._egg_fragment_re.search(self._url) if not match: return None return match.group(1) _subdirectory_fragment_re = re.compile(r"[#&]subdirectory=([^&]*)") @property def subdirectory_fragment(self) -> Optional[str]: match = self._subdirectory_fragment_re.search(self._url) if not match: return None return match.group(1) _hash_re = re.compile( r"({choices})=([a-f0-9]+)".format(choices="|".join(_SUPPORTED_HASHES)) ) @property def hash(self) -> Optional[str]: match = self._hash_re.search(self._url) if match: return match.group(2) return None @property def hash_name(self) -> Optional[str]: match = self._hash_re.search(self._url) if match: return match.group(1) return None @property def show_url(self) -> str: return posixpath.basename(self._url.split("#", 1)[0].split("?", 1)[0]) @property def is_file(self) -> bool: return self.scheme == "file" def is_existing_dir(self) -> bool: return self.is_file and os.path.isdir(self.file_path) @property def is_wheel(self) -> bool: return self.ext == WHEEL_EXTENSION @property def is_vcs(self) -> bool: from pip._internal.vcs import vcs return self.scheme in vcs.all_schemes @property def is_yanked(self) -> bool: return self.yanked_reason is not None @property def has_hash(self) -> bool: return self.hash_name is not None def is_hash_allowed(self, hashes: Optional[Hashes]) -> bool: """ Return True if the link has a hash and it is allowed. """ if hashes is None or not self.has_hash: return False # Assert non-None so mypy knows self.hash_name and self.hash are str. assert self.hash_name is not None assert self.hash is not None return hashes.is_hash_allowed(self.hash_name, hex_digest=self.hash) class _CleanResult(NamedTuple): """Convert link for equivalency check. This is used in the resolver to check whether two URL-specified requirements likely point to the same distribution and can be considered equivalent. This equivalency logic avoids comparing URLs literally, which can be too strict (e.g. "a=1&b=2" vs "b=2&a=1") and produce conflicts unexpecting to users. Currently this does three things: 1. Drop the basic auth part. This is technically wrong since a server can serve different content based on auth, but if it does that, it is even impossible to guarantee two URLs without auth are equivalent, since the user can input different auth information when prompted. So the practical solution is to assume the auth doesn't affect the response. 2. Parse the query to avoid the ordering issue. Note that ordering under the same key in the query are NOT cleaned; i.e. "a=1&a=2" and "a=2&a=1" are still considered different. 3. Explicitly drop most of the fragment part, except ``subdirectory=`` and hash values, since it should have no impact the downloaded content. Note that this drops the "egg=" part historically used to denote the requested project (and extras), which is wrong in the strictest sense, but too many people are supplying it inconsistently to cause superfluous resolution conflicts, so we choose to also ignore them. """ parsed: urllib.parse.SplitResult query: Dict[str, List[str]] subdirectory: str hashes: Dict[str, str] def _clean_link(link: Link) -> _CleanResult: parsed = link._parsed_url netloc = parsed.netloc.rsplit("@", 1)[-1] # According to RFC 8089, an empty host in file: means localhost. if parsed.scheme == "file" and not netloc: netloc = "localhost" fragment = urllib.parse.parse_qs(parsed.fragment) if "egg" in fragment: logger.debug("Ignoring egg= fragment in %s", link) try: # If there are multiple subdirectory values, use the first one. # This matches the behavior of Link.subdirectory_fragment. subdirectory = fragment["subdirectory"][0] except (IndexError, KeyError): subdirectory = "" # If there are multiple hash values under the same algorithm, use the # first one. This matches the behavior of Link.hash_value. hashes = {k: fragment[k][0] for k in _SUPPORTED_HASHES if k in fragment} return _CleanResult( parsed=parsed._replace(netloc=netloc, query="", fragment=""), query=urllib.parse.parse_qs(parsed.query), subdirectory=subdirectory, hashes=hashes, ) @functools.lru_cache(maxsize=None) def links_equivalent(link1: Link, link2: Link) -> bool: return _clean_link(link1) == _clean_link(link2) _internal/models/scheme.py 0000644 00000001342 15114542002 0011612 0 ustar 00 """ For types associated with installation schemes. For a general overview of available schemes and their context, see https://docs.python.org/3/install/index.html#alternate-installation. """ SCHEME_KEYS = ["platlib", "purelib", "headers", "scripts", "data"] class Scheme: """A Scheme holds paths which are used as the base directories for artifacts associated with a Python package. """ __slots__ = SCHEME_KEYS def __init__( self, platlib: str, purelib: str, headers: str, scripts: str, data: str, ) -> None: self.platlib = platlib self.purelib = purelib self.headers = headers self.scripts = scripts self.data = data _internal/models/search_scope.py 0000644 00000010650 15114542002 0013006 0 ustar 00 import itertools import logging import os import posixpath import urllib.parse from typing import List from pip._vendor.packaging.utils import canonicalize_name from pip._internal.models.index import PyPI from pip._internal.utils.compat import has_tls from pip._internal.utils.misc import normalize_path, redact_auth_from_url logger = logging.getLogger(__name__) class SearchScope: """ Encapsulates the locations that pip is configured to search. """ __slots__ = ["find_links", "index_urls"] @classmethod def create( cls, find_links: List[str], index_urls: List[str], ) -> "SearchScope": """ Create a SearchScope object after normalizing the `find_links`. """ # Build find_links. If an argument starts with ~, it may be # a local file relative to a home directory. So try normalizing # it and if it exists, use the normalized version. # This is deliberately conservative - it might be fine just to # blindly normalize anything starting with a ~... built_find_links: List[str] = [] for link in find_links: if link.startswith("~"): new_link = normalize_path(link) if os.path.exists(new_link): link = new_link built_find_links.append(link) # If we don't have TLS enabled, then WARN if anyplace we're looking # relies on TLS. if not has_tls(): for link in itertools.chain(index_urls, built_find_links): parsed = urllib.parse.urlparse(link) if parsed.scheme == "https": logger.warning( "pip is configured with locations that require " "TLS/SSL, however the ssl module in Python is not " "available." ) break return cls( find_links=built_find_links, index_urls=index_urls, ) def __init__( self, find_links: List[str], index_urls: List[str], ) -> None: self.find_links = find_links self.index_urls = index_urls def get_formatted_locations(self) -> str: lines = [] redacted_index_urls = [] if self.index_urls and self.index_urls != [PyPI.simple_url]: for url in self.index_urls: redacted_index_url = redact_auth_from_url(url) # Parse the URL purl = urllib.parse.urlsplit(redacted_index_url) # URL is generally invalid if scheme and netloc is missing # there are issues with Python and URL parsing, so this test # is a bit crude. See bpo-20271, bpo-23505. Python doesn't # always parse invalid URLs correctly - it should raise # exceptions for malformed URLs if not purl.scheme and not purl.netloc: logger.warning( 'The index url "%s" seems invalid, please provide a scheme.', redacted_index_url, ) redacted_index_urls.append(redacted_index_url) lines.append( "Looking in indexes: {}".format(", ".join(redacted_index_urls)) ) if self.find_links: lines.append( "Looking in links: {}".format( ", ".join(redact_auth_from_url(url) for url in self.find_links) ) ) return "\n".join(lines) def get_index_urls_locations(self, project_name: str) -> List[str]: """Returns the locations found via self.index_urls Checks the url_name on the main (first in the list) index and use this url_name to produce all locations """ def mkurl_pypi_url(url: str) -> str: loc = posixpath.join( url, urllib.parse.quote(canonicalize_name(project_name)) ) # For maximum compatibility with easy_install, ensure the path # ends in a trailing slash. Although this isn't in the spec # (and PyPI can handle it without the slash) some other index # implementations might break if they relied on easy_install's # behavior. if not loc.endswith("/"): loc = loc + "/" return loc return [mkurl_pypi_url(url) for url in self.index_urls] _internal/models/selection_prefs.py 0000644 00000003563 15114542002 0013541 0 ustar 00 from typing import Optional from pip._internal.models.format_control import FormatControl class SelectionPreferences: """ Encapsulates the candidate selection preferences for downloading and installing files. """ __slots__ = [ "allow_yanked", "allow_all_prereleases", "format_control", "prefer_binary", "ignore_requires_python", ] # Don't include an allow_yanked default value to make sure each call # site considers whether yanked releases are allowed. This also causes # that decision to be made explicit in the calling code, which helps # people when reading the code. def __init__( self, allow_yanked: bool, allow_all_prereleases: bool = False, format_control: Optional[FormatControl] = None, prefer_binary: bool = False, ignore_requires_python: Optional[bool] = None, ) -> None: """Create a SelectionPreferences object. :param allow_yanked: Whether files marked as yanked (in the sense of PEP 592) are permitted to be candidates for install. :param format_control: A FormatControl object or None. Used to control the selection of source packages / binary packages when consulting the index and links. :param prefer_binary: Whether to prefer an old, but valid, binary dist over a new source dist. :param ignore_requires_python: Whether to ignore incompatible "Requires-Python" values in links. Defaults to False. """ if ignore_requires_python is None: ignore_requires_python = False self.allow_yanked = allow_yanked self.allow_all_prereleases = allow_all_prereleases self.format_control = format_control self.prefer_binary = prefer_binary self.ignore_requires_python = ignore_requires_python _internal/models/target_python.py 0000644 00000007422 15114542002 0013242 0 ustar 00 import sys from typing import List, Optional, Tuple from pip._vendor.packaging.tags import Tag from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot from pip._internal.utils.misc import normalize_version_info class TargetPython: """ Encapsulates the properties of a Python interpreter one is targeting for a package install, download, etc. """ __slots__ = [ "_given_py_version_info", "abis", "implementation", "platforms", "py_version", "py_version_info", "_valid_tags", ] def __init__( self, platforms: Optional[List[str]] = None, py_version_info: Optional[Tuple[int, ...]] = None, abis: Optional[List[str]] = None, implementation: Optional[str] = None, ) -> None: """ :param platforms: A list of strings or None. If None, searches for packages that are supported by the current system. Otherwise, will find packages that can be built on the platforms passed in. These packages will only be downloaded for distribution: they will not be built locally. :param py_version_info: An optional tuple of ints representing the Python version information to use (e.g. `sys.version_info[:3]`). This can have length 1, 2, or 3 when provided. :param abis: A list of strings or None. This is passed to compatibility_tags.py's get_supported() function as is. :param implementation: A string or None. This is passed to compatibility_tags.py's get_supported() function as is. """ # Store the given py_version_info for when we call get_supported(). self._given_py_version_info = py_version_info if py_version_info is None: py_version_info = sys.version_info[:3] else: py_version_info = normalize_version_info(py_version_info) py_version = ".".join(map(str, py_version_info[:2])) self.abis = abis self.implementation = implementation self.platforms = platforms self.py_version = py_version self.py_version_info = py_version_info # This is used to cache the return value of get_tags(). self._valid_tags: Optional[List[Tag]] = None def format_given(self) -> str: """ Format the given, non-None attributes for display. """ display_version = None if self._given_py_version_info is not None: display_version = ".".join( str(part) for part in self._given_py_version_info ) key_values = [ ("platforms", self.platforms), ("version_info", display_version), ("abis", self.abis), ("implementation", self.implementation), ] return " ".join( f"{key}={value!r}" for key, value in key_values if value is not None ) def get_tags(self) -> List[Tag]: """ Return the supported PEP 425 tags to check wheel candidates against. The tags are returned in order of preference (most preferred first). """ if self._valid_tags is None: # Pass versions=None if no py_version_info was given since # versions=None uses special default logic. py_version_info = self._given_py_version_info if py_version_info is None: version = None else: version = version_info_to_nodot(py_version_info) tags = get_supported( version=version, platforms=self.platforms, abis=self.abis, impl=self.implementation, ) self._valid_tags = tags return self._valid_tags _internal/models/wheel.py 0000644 00000006654 15114542002 0011465 0 ustar 00 """Represents a wheel file and provides access to the various parts of the name that have meaning. """ import re from typing import Dict, Iterable, List from pip._vendor.packaging.tags import Tag from pip._internal.exceptions import InvalidWheelFilename class Wheel: """A wheel file""" wheel_file_re = re.compile( r"""^(?P<namever>(?P<name>.+?)-(?P<ver>.*?)) ((-(?P<build>\d[^-]*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?) \.whl|\.dist-info)$""", re.VERBOSE, ) def __init__(self, filename: str) -> None: """ :raises InvalidWheelFilename: when the filename is invalid for a wheel """ wheel_info = self.wheel_file_re.match(filename) if not wheel_info: raise InvalidWheelFilename(f"{filename} is not a valid wheel filename.") self.filename = filename self.name = wheel_info.group("name").replace("_", "-") # we'll assume "_" means "-" due to wheel naming scheme # (https://github.com/pypa/pip/issues/1150) self.version = wheel_info.group("ver").replace("_", "-") self.build_tag = wheel_info.group("build") self.pyversions = wheel_info.group("pyver").split(".") self.abis = wheel_info.group("abi").split(".") self.plats = wheel_info.group("plat").split(".") # All the tag combinations from this file self.file_tags = { Tag(x, y, z) for x in self.pyversions for y in self.abis for z in self.plats } def get_formatted_file_tags(self) -> List[str]: """Return the wheel's tags as a sorted list of strings.""" return sorted(str(tag) for tag in self.file_tags) def support_index_min(self, tags: List[Tag]) -> int: """Return the lowest index that one of the wheel's file_tag combinations achieves in the given list of supported tags. For example, if there are 8 supported tags and one of the file tags is first in the list, then return 0. :param tags: the PEP 425 tags to check the wheel against, in order with most preferred first. :raises ValueError: If none of the wheel's file tags match one of the supported tags. """ return min(tags.index(tag) for tag in self.file_tags if tag in tags) def find_most_preferred_tag( self, tags: List[Tag], tag_to_priority: Dict[Tag, int] ) -> int: """Return the priority of the most preferred tag that one of the wheel's file tag combinations achieves in the given list of supported tags using the given tag_to_priority mapping, where lower priorities are more-preferred. This is used in place of support_index_min in some cases in order to avoid an expensive linear scan of a large list of tags. :param tags: the PEP 425 tags to check the wheel against. :param tag_to_priority: a mapping from tag to priority of that tag, where lower is more preferred. :raises ValueError: If none of the wheel's file tags match one of the supported tags. """ return min( tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority ) def supported(self, tags: Iterable[Tag]) -> bool: """Return whether the wheel is compatible with one of the given tags. :param tags: the PEP 425 tags to check the wheel against. """ return not self.file_tags.isdisjoint(tags) _internal/network/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000324 15114542002 0017540 0 ustar 00 a [��f2 � @ s d Z dS )z+Contains purely network-related utilities. 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""" _internal/network/auth.py 0000644 00000027636 15114542002 0011533 0 ustar 00 """Network Authentication Helpers Contains interface (MultiDomainBasicAuth) and associated glue code for providing credentials in the context of network requests. """ import urllib.parse from typing import Any, Dict, List, Optional, Tuple from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth from pip._vendor.requests.models import Request, Response from pip._vendor.requests.utils import get_netrc_auth from pip._internal.utils.logging import getLogger from pip._internal.utils.misc import ( ask, ask_input, ask_password, remove_auth_from_url, split_auth_netloc_from_url, ) from pip._internal.vcs.versioncontrol import AuthInfo logger = getLogger(__name__) Credentials = Tuple[str, str, str] try: import keyring except ImportError: keyring = None # type: ignore[assignment] except Exception as exc: logger.warning( "Keyring is skipped due to an exception: %s", str(exc), ) keyring = None # type: ignore[assignment] def get_keyring_auth(url: Optional[str], username: Optional[str]) -> Optional[AuthInfo]: """Return the tuple auth for a given url from keyring.""" global keyring if not url or not keyring: return None try: try: get_credential = keyring.get_credential except AttributeError: pass else: logger.debug("Getting credentials from keyring for %s", url) cred = get_credential(url, username) if cred is not None: return cred.username, cred.password return None if username: logger.debug("Getting password from keyring for %s", url) password = keyring.get_password(url, username) if password: return username, password except Exception as exc: logger.warning( "Keyring is skipped due to an exception: %s", str(exc), ) keyring = None # type: ignore[assignment] return None class MultiDomainBasicAuth(AuthBase): def __init__( self, prompting: bool = True, index_urls: Optional[List[str]] = None ) -> None: self.prompting = prompting self.index_urls = index_urls self.passwords: Dict[str, AuthInfo] = {} # When the user is prompted to enter credentials and keyring is # available, we will offer to save them. If the user accepts, # this value is set to the credentials they entered. After the # request authenticates, the caller should call # ``save_credentials`` to save these. self._credentials_to_save: Optional[Credentials] = None def _get_index_url(self, url: str) -> Optional[str]: """Return the original index URL matching the requested URL. Cached or dynamically generated credentials may work against the original index URL rather than just the netloc. The provided url should have had its username and password removed already. If the original index url had credentials then they will be included in the return value. Returns None if no matching index was found, or if --no-index was specified by the user. """ if not url or not self.index_urls: return None for u in self.index_urls: prefix = remove_auth_from_url(u).rstrip("/") + "/" if url.startswith(prefix): return u return None def _get_new_credentials( self, original_url: str, allow_netrc: bool = True, allow_keyring: bool = False, ) -> AuthInfo: """Find and return credentials for the specified URL.""" # Split the credentials and netloc from the url. url, netloc, url_user_password = split_auth_netloc_from_url( original_url, ) # Start with the credentials embedded in the url username, password = url_user_password if username is not None and password is not None: logger.debug("Found credentials in url for %s", netloc) return url_user_password # Find a matching index url for this request index_url = self._get_index_url(url) if index_url: # Split the credentials from the url. index_info = split_auth_netloc_from_url(index_url) if index_info: index_url, _, index_url_user_password = index_info logger.debug("Found index url %s", index_url) # If an index URL was found, try its embedded credentials if index_url and index_url_user_password[0] is not None: username, password = index_url_user_password if username is not None and password is not None: logger.debug("Found credentials in index url for %s", netloc) return index_url_user_password # Get creds from netrc if we still don't have them if allow_netrc: netrc_auth = get_netrc_auth(original_url) if netrc_auth: logger.debug("Found credentials in netrc for %s", netloc) return netrc_auth # If we don't have a password and keyring is available, use it. if allow_keyring: # The index url is more specific than the netloc, so try it first # fmt: off kr_auth = ( get_keyring_auth(index_url, username) or get_keyring_auth(netloc, username) ) # fmt: on if kr_auth: logger.debug("Found credentials in keyring for %s", netloc) return kr_auth return username, password def _get_url_and_credentials( self, original_url: str ) -> Tuple[str, Optional[str], Optional[str]]: """Return the credentials to use for the provided URL. If allowed, netrc and keyring may be used to obtain the correct credentials. Returns (url_without_credentials, username, password). Note that even if the original URL contains credentials, this function may return a different username and password. """ url, netloc, _ = split_auth_netloc_from_url(original_url) # Try to get credentials from original url username, password = self._get_new_credentials(original_url) # If credentials not found, use any stored credentials for this netloc. # Do this if either the username or the password is missing. # This accounts for the situation in which the user has specified # the username in the index url, but the password comes from keyring. if (username is None or password is None) and netloc in self.passwords: un, pw = self.passwords[netloc] # It is possible that the cached credentials are for a different username, # in which case the cache should be ignored. if username is None or username == un: username, password = un, pw if username is not None or password is not None: # Convert the username and password if they're None, so that # this netloc will show up as "cached" in the conditional above. # Further, HTTPBasicAuth doesn't accept None, so it makes sense to # cache the value that is going to be used. username = username or "" password = password or "" # Store any acquired credentials. self.passwords[netloc] = (username, password) assert ( # Credentials were found (username is not None and password is not None) # Credentials were not found or (username is None and password is None) ), f"Could not load credentials from url: {original_url}" return url, username, password def __call__(self, req: Request) -> Request: # Get credentials for this request url, username, password = self._get_url_and_credentials(req.url) # Set the url of the request to the url without any credentials req.url = url if username is not None and password is not None: # Send the basic auth with this request req = HTTPBasicAuth(username, password)(req) # Attach a hook to handle 401 responses req.register_hook("response", self.handle_401) return req # Factored out to allow for easy patching in tests def _prompt_for_password( self, netloc: str ) -> Tuple[Optional[str], Optional[str], bool]: username = ask_input(f"User for {netloc}: ") if not username: return None, None, False auth = get_keyring_auth(netloc, username) if auth and auth[0] is not None and auth[1] is not None: return auth[0], auth[1], False password = ask_password("Password: ") return username, password, True # Factored out to allow for easy patching in tests def _should_save_password_to_keyring(self) -> bool: if not keyring: return False return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y" def handle_401(self, resp: Response, **kwargs: Any) -> Response: # We only care about 401 responses, anything else we want to just # pass through the actual response if resp.status_code != 401: return resp # We are not able to prompt the user so simply return the response if not self.prompting: return resp parsed = urllib.parse.urlparse(resp.url) # Query the keyring for credentials: username, password = self._get_new_credentials( resp.url, allow_netrc=False, allow_keyring=True, ) # Prompt the user for a new username and password save = False if not username and not password: username, password, save = self._prompt_for_password(parsed.netloc) # Store the new username and password to use for future requests self._credentials_to_save = None if username is not None and password is not None: self.passwords[parsed.netloc] = (username, password) # Prompt to save the password to keyring if save and self._should_save_password_to_keyring(): self._credentials_to_save = (parsed.netloc, username, password) # Consume content and release the original connection to allow our new # request to reuse the same one. resp.content resp.raw.release_conn() # Add our new username and password to the request req = HTTPBasicAuth(username or "", password or "")(resp.request) req.register_hook("response", self.warn_on_401) # On successful request, save the credentials that were used to # keyring. (Note that if the user responded "no" above, this member # is not set and nothing will be saved.) if self._credentials_to_save: req.register_hook("response", self.save_credentials) # Send our new request new_resp = resp.connection.send(req, **kwargs) new_resp.history.append(resp) return new_resp def warn_on_401(self, resp: Response, **kwargs: Any) -> None: """Response callback to warn about incorrect credentials.""" if resp.status_code == 401: logger.warning( "401 Error, Credentials not correct for %s", resp.request.url, ) def save_credentials(self, resp: Response, **kwargs: Any) -> None: """Response callback to save credentials on success.""" assert keyring is not None, "should never reach here without keyring" if not keyring: return creds = self._credentials_to_save self._credentials_to_save = None if creds and resp.status_code < 400: try: logger.info("Saving credentials to keyring") keyring.set_password(*creds) except Exception: logger.exception("Failed to save credentials") _internal/network/cache.py 0000644 00000004064 15114542002 0011623 0 ustar 00 """HTTP cache implementation. """ import os from contextlib import contextmanager from typing import Iterator, Optional from pip._vendor.cachecontrol.cache import BaseCache from pip._vendor.cachecontrol.caches import FileCache from pip._vendor.requests.models import Response from pip._internal.utils.filesystem import adjacent_tmp_file, replace from pip._internal.utils.misc import ensure_dir def is_from_cache(response: Response) -> bool: return getattr(response, "from_cache", False) @contextmanager def suppressed_cache_errors() -> Iterator[None]: """If we can't access the cache then we can just skip caching and process requests as if caching wasn't enabled. """ try: yield except OSError: pass class SafeFileCache(BaseCache): """ A file based cache which is safe to use even when the target directory may not be accessible or writable. """ def __init__(self, directory: str) -> None: assert directory is not None, "Cache directory must not be None." super().__init__() self.directory = directory def _get_cache_path(self, name: str) -> str: # From cachecontrol.caches.file_cache.FileCache._fn, brought into our # class for backwards-compatibility and to avoid using a non-public # method. hashed = FileCache.encode(name) parts = list(hashed[:5]) + [hashed] return os.path.join(self.directory, *parts) def get(self, key: str) -> Optional[bytes]: path = self._get_cache_path(key) with suppressed_cache_errors(): with open(path, "rb") as f: return f.read() def set(self, key: str, value: bytes) -> None: path = self._get_cache_path(key) with suppressed_cache_errors(): ensure_dir(os.path.dirname(path)) with adjacent_tmp_file(path) as f: f.write(value) replace(f.name, path) def delete(self, key: str) -> None: path = self._get_cache_path(key) with suppressed_cache_errors(): os.remove(path) _internal/network/download.py 0000644 00000013600 15114542002 0012363 0 ustar 00 """Download files with progress indicators. """ import cgi import logging import mimetypes import os from typing import Iterable, Optional, Tuple from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response from pip._internal.cli.progress_bars import DownloadProgressProvider from pip._internal.exceptions import NetworkConnectionError from pip._internal.models.index import PyPI from pip._internal.models.link import Link from pip._internal.network.cache import is_from_cache from pip._internal.network.session import PipSession from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext logger = logging.getLogger(__name__) def _get_http_response_size(resp: Response) -> Optional[int]: try: return int(resp.headers["content-length"]) except (ValueError, KeyError, TypeError): return None def _prepare_download( resp: Response, link: Link, progress_bar: str, ) -> Iterable[bytes]: total_length = _get_http_response_size(resp) if link.netloc == PyPI.file_storage_domain: url = link.show_url else: url = link.url_without_fragment logged_url = redact_auth_from_url(url) if total_length: logged_url = "{} ({})".format(logged_url, format_size(total_length)) if is_from_cache(resp): logger.info("Using cached %s", logged_url) else: logger.info("Downloading %s", logged_url) if logger.getEffectiveLevel() > logging.INFO: show_progress = False elif is_from_cache(resp): show_progress = False elif not total_length: show_progress = True elif total_length > (40 * 1000): show_progress = True else: show_progress = False chunks = response_chunks(resp, CONTENT_CHUNK_SIZE) if not show_progress: return chunks return DownloadProgressProvider(progress_bar, max=total_length)(chunks) def sanitize_content_filename(filename: str) -> str: """ Sanitize the "filename" value from a Content-Disposition header. """ return os.path.basename(filename) def parse_content_disposition(content_disposition: str, default_filename: str) -> str: """ Parse the "filename" value from a Content-Disposition header, and return the default filename if the result is empty. """ _type, params = cgi.parse_header(content_disposition) filename = params.get("filename") if filename: # We need to sanitize the filename to prevent directory traversal # in case the filename contains ".." path parts. filename = sanitize_content_filename(filename) return filename or default_filename def _get_http_response_filename(resp: Response, link: Link) -> str: """Get an ideal filename from the given HTTP response, falling back to the link filename if not provided. """ filename = link.filename # fallback # Have a look at the Content-Disposition header for a better guess content_disposition = resp.headers.get("content-disposition") if content_disposition: filename = parse_content_disposition(content_disposition, filename) ext: Optional[str] = splitext(filename)[1] if not ext: ext = mimetypes.guess_extension(resp.headers.get("content-type", "")) if ext: filename += ext if not ext and link.url != resp.url: ext = os.path.splitext(resp.url)[1] if ext: filename += ext return filename def _http_get_download(session: PipSession, link: Link) -> Response: target_url = link.url.split("#", 1)[0] resp = session.get(target_url, headers=HEADERS, stream=True) raise_for_status(resp) return resp class Downloader: def __init__( self, session: PipSession, progress_bar: str, ) -> None: self._session = session self._progress_bar = progress_bar def __call__(self, link: Link, location: str) -> Tuple[str, str]: """Download the file given by link into location.""" try: resp = _http_get_download(self._session, link) except NetworkConnectionError as e: assert e.response is not None logger.critical( "HTTP error %s while getting %s", e.response.status_code, link ) raise filename = _get_http_response_filename(resp, link) filepath = os.path.join(location, filename) chunks = _prepare_download(resp, link, self._progress_bar) with open(filepath, "wb") as content_file: for chunk in chunks: content_file.write(chunk) content_type = resp.headers.get("Content-Type", "") return filepath, content_type class BatchDownloader: def __init__( self, session: PipSession, progress_bar: str, ) -> None: self._session = session self._progress_bar = progress_bar def __call__( self, links: Iterable[Link], location: str ) -> Iterable[Tuple[Link, Tuple[str, str]]]: """Download the files given by links into location.""" for link in links: try: resp = _http_get_download(self._session, link) except NetworkConnectionError as e: assert e.response is not None logger.critical( "HTTP error %s while getting %s", e.response.status_code, link, ) raise filename = _get_http_response_filename(resp, link) filepath = os.path.join(location, filename) chunks = _prepare_download(resp, link, self._progress_bar) with open(filepath, "wb") as content_file: for chunk in chunks: content_file.write(chunk) content_type = resp.headers.get("Content-Type", "") yield link, (filepath, content_type) _internal/network/lazy_wheel.py 0000644 00000016713 15114542002 0012727 0 ustar 00 """Lazy ZIP over HTTP""" __all__ = ["HTTPRangeRequestUnsupported", "dist_from_wheel_url"] from bisect import bisect_left, bisect_right from contextlib import contextmanager from tempfile import NamedTemporaryFile from typing import Any, Dict, Iterator, List, Optional, Tuple from zipfile import BadZipfile, ZipFile from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response from pip._internal.metadata import BaseDistribution, MemoryWheel, get_wheel_distribution from pip._internal.network.session import PipSession from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks class HTTPRangeRequestUnsupported(Exception): pass def dist_from_wheel_url(name: str, url: str, session: PipSession) -> BaseDistribution: """Return a distribution object from the given wheel URL. This uses HTTP range requests to only fetch the potion of the wheel containing metadata, just enough for the object to be constructed. If such requests are not supported, HTTPRangeRequestUnsupported is raised. """ with LazyZipOverHTTP(url, session) as zf: # For read-only ZIP files, ZipFile only needs methods read, # seek, seekable and tell, not the whole IO protocol. wheel = MemoryWheel(zf.name, zf) # type: ignore # After context manager exit, wheel.name # is an invalid file by intention. return get_wheel_distribution(wheel, canonicalize_name(name)) class LazyZipOverHTTP: """File-like object mapped to a ZIP file over HTTP. This uses HTTP range requests to lazily fetch the file's content, which is supposed to be fed to ZipFile. If such requests are not supported by the server, raise HTTPRangeRequestUnsupported during initialization. """ def __init__( self, url: str, session: PipSession, chunk_size: int = CONTENT_CHUNK_SIZE ) -> None: head = session.head(url, headers=HEADERS) raise_for_status(head) assert head.status_code == 200 self._session, self._url, self._chunk_size = session, url, chunk_size self._length = int(head.headers["Content-Length"]) self._file = NamedTemporaryFile() self.truncate(self._length) self._left: List[int] = [] self._right: List[int] = [] if "bytes" not in head.headers.get("Accept-Ranges", "none"): raise HTTPRangeRequestUnsupported("range request is not supported") self._check_zip() @property def mode(self) -> str: """Opening mode, which is always rb.""" return "rb" @property def name(self) -> str: """Path to the underlying file.""" return self._file.name def seekable(self) -> bool: """Return whether random access is supported, which is True.""" return True def close(self) -> None: """Close the file.""" self._file.close() @property def closed(self) -> bool: """Whether the file is closed.""" return self._file.closed def read(self, size: int = -1) -> bytes: """Read up to size bytes from the object and return them. As a convenience, if size is unspecified or -1, all bytes until EOF are returned. Fewer than size bytes may be returned if EOF is reached. """ download_size = max(size, self._chunk_size) start, length = self.tell(), self._length stop = length if size < 0 else min(start + download_size, length) start = max(0, stop - download_size) self._download(start, stop - 1) return self._file.read(size) def readable(self) -> bool: """Return whether the file is readable, which is True.""" return True def seek(self, offset: int, whence: int = 0) -> int: """Change stream position and return the new absolute position. Seek to offset relative position indicated by whence: * 0: Start of stream (the default). pos should be >= 0; * 1: Current position - pos may be negative; * 2: End of stream - pos usually negative. """ return self._file.seek(offset, whence) def tell(self) -> int: """Return the current position.""" return self._file.tell() def truncate(self, size: Optional[int] = None) -> int: """Resize the stream to the given size in bytes. If size is unspecified resize to the current position. The current stream position isn't changed. Return the new file size. """ return self._file.truncate(size) def writable(self) -> bool: """Return False.""" return False def __enter__(self) -> "LazyZipOverHTTP": self._file.__enter__() return self def __exit__(self, *exc: Any) -> Optional[bool]: return self._file.__exit__(*exc) @contextmanager def _stay(self) -> Iterator[None]: """Return a context manager keeping the position. At the end of the block, seek back to original position. """ pos = self.tell() try: yield finally: self.seek(pos) def _check_zip(self) -> None: """Check and download until the file is a valid ZIP.""" end = self._length - 1 for start in reversed(range(0, end, self._chunk_size)): self._download(start, end) with self._stay(): try: # For read-only ZIP files, ZipFile only needs # methods read, seek, seekable and tell. ZipFile(self) # type: ignore except BadZipfile: pass else: break def _stream_response( self, start: int, end: int, base_headers: Dict[str, str] = HEADERS ) -> Response: """Return HTTP response to a range request from start to end.""" headers = base_headers.copy() headers["Range"] = f"bytes={start}-{end}" # TODO: Get range requests to be correctly cached headers["Cache-Control"] = "no-cache" return self._session.get(self._url, headers=headers, stream=True) def _merge( self, start: int, end: int, left: int, right: int ) -> Iterator[Tuple[int, int]]: """Return an iterator of intervals to be fetched. Args: start (int): Start of needed interval end (int): End of needed interval left (int): Index of first overlapping downloaded data right (int): Index after last overlapping downloaded data """ lslice, rslice = self._left[left:right], self._right[left:right] i = start = min([start] + lslice[:1]) end = max([end] + rslice[-1:]) for j, k in zip(lslice, rslice): if j > i: yield i, j - 1 i = k + 1 if i <= end: yield i, end self._left[left:right], self._right[left:right] = [start], [end] def _download(self, start: int, end: int) -> None: """Download bytes from start to end inclusively.""" with self._stay(): left = bisect_left(self._right, start) right = bisect_right(self._left, end) for start, end in self._merge(start, end, left, right): response = self._stream_response(start, end) response.raise_for_status() self.seek(start) for chunk in response_chunks(response, self._chunk_size): self._file.write(chunk) _internal/network/session.py 0000644 00000040531 15114542002 0012242 0 ustar 00 """PipSession and supporting code, containing all pip-specific network request configuration and behavior. """ import email.utils import io import ipaddress import json import logging import mimetypes import os import platform import shutil import subprocess import sys import urllib.parse import warnings from typing import Any, Dict, Iterator, List, Mapping, Optional, Sequence, Tuple, Union from pip._vendor import requests, urllib3 from pip._vendor.cachecontrol import CacheControlAdapter from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter from pip._vendor.requests.models import PreparedRequest, Response from pip._vendor.requests.structures import CaseInsensitiveDict from pip._vendor.urllib3.connectionpool import ConnectionPool from pip._vendor.urllib3.exceptions import InsecureRequestWarning from pip import __version__ from pip._internal.metadata import get_default_environment from pip._internal.models.link import Link from pip._internal.network.auth import MultiDomainBasicAuth from pip._internal.network.cache import SafeFileCache # Import ssl from compat so the initial import occurs in only one place. from pip._internal.utils.compat import has_tls from pip._internal.utils.glibc import libc_ver from pip._internal.utils.misc import build_url_from_netloc, parse_netloc from pip._internal.utils.urls import url_to_path logger = logging.getLogger(__name__) SecureOrigin = Tuple[str, str, Optional[Union[int, str]]] # Ignore warning raised when using --trusted-host. warnings.filterwarnings("ignore", category=InsecureRequestWarning) SECURE_ORIGINS: List[SecureOrigin] = [ # protocol, hostname, port # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC) ("https", "*", "*"), ("*", "localhost", "*"), ("*", "127.0.0.0/8", "*"), ("*", "::1/128", "*"), ("file", "*", None), # ssh is always secure. ("ssh", "*", "*"), ] # These are environment variables present when running under various # CI systems. For each variable, some CI systems that use the variable # are indicated. The collection was chosen so that for each of a number # of popular systems, at least one of the environment variables is used. # This list is used to provide some indication of and lower bound for # CI traffic to PyPI. Thus, it is okay if the list is not comprehensive. # For more background, see: https://github.com/pypa/pip/issues/5499 CI_ENVIRONMENT_VARIABLES = ( # Azure Pipelines "BUILD_BUILDID", # Jenkins "BUILD_ID", # AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI "CI", # Explicit environment variable. "PIP_IS_CI", ) def looks_like_ci() -> bool: """ Return whether it looks like pip is running under CI. """ # We don't use the method of checking for a tty (e.g. using isatty()) # because some CI systems mimic a tty (e.g. Travis CI). Thus that # method doesn't provide definitive information in either direction. return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES) def user_agent() -> str: """ Return a string representing the user agent. """ data: Dict[str, Any] = { "installer": {"name": "pip", "version": __version__}, "python": platform.python_version(), "implementation": { "name": platform.python_implementation(), }, } if data["implementation"]["name"] == "CPython": data["implementation"]["version"] = platform.python_version() elif data["implementation"]["name"] == "PyPy": pypy_version_info = sys.pypy_version_info # type: ignore if pypy_version_info.releaselevel == "final": pypy_version_info = pypy_version_info[:3] data["implementation"]["version"] = ".".join( [str(x) for x in pypy_version_info] ) elif data["implementation"]["name"] == "Jython": # Complete Guess data["implementation"]["version"] = platform.python_version() elif data["implementation"]["name"] == "IronPython": # Complete Guess data["implementation"]["version"] = platform.python_version() if sys.platform.startswith("linux"): from pip._vendor import distro linux_distribution = distro.name(), distro.version(), distro.codename() distro_infos: Dict[str, Any] = dict( filter( lambda x: x[1], zip(["name", "version", "id"], linux_distribution), ) ) libc = dict( filter( lambda x: x[1], zip(["lib", "version"], libc_ver()), ) ) if libc: distro_infos["libc"] = libc if distro_infos: data["distro"] = distro_infos if sys.platform.startswith("darwin") and platform.mac_ver()[0]: data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]} if platform.system(): data.setdefault("system", {})["name"] = platform.system() if platform.release(): data.setdefault("system", {})["release"] = platform.release() if platform.machine(): data["cpu"] = platform.machine() if has_tls(): import _ssl as ssl data["openssl_version"] = ssl.OPENSSL_VERSION setuptools_dist = get_default_environment().get_distribution("setuptools") if setuptools_dist is not None: data["setuptools_version"] = str(setuptools_dist.version) if shutil.which("rustc") is not None: # If for any reason `rustc --version` fails, silently ignore it try: rustc_output = subprocess.check_output( ["rustc", "--version"], stderr=subprocess.STDOUT, timeout=0.5 ) except Exception: pass else: if rustc_output.startswith(b"rustc "): # The format of `rustc --version` is: # `b'rustc 1.52.1 (9bc8c42bb 2021-05-09)\n'` # We extract just the middle (1.52.1) part data["rustc_version"] = rustc_output.split(b" ")[1].decode() # Use None rather than False so as not to give the impression that # pip knows it is not being run under CI. Rather, it is a null or # inconclusive result. Also, we include some value rather than no # value to make it easier to know that the check has been run. data["ci"] = True if looks_like_ci() else None user_data = os.environ.get("PIP_USER_AGENT_USER_DATA") if user_data is not None: data["user_data"] = user_data return "{data[installer][name]}/{data[installer][version]} {json}".format( data=data, json=json.dumps(data, separators=(",", ":"), sort_keys=True), ) class LocalFSAdapter(BaseAdapter): def send( self, request: PreparedRequest, stream: bool = False, timeout: Optional[Union[float, Tuple[float, float]]] = None, verify: Union[bool, str] = True, cert: Optional[Union[str, Tuple[str, str]]] = None, proxies: Optional[Mapping[str, str]] = None, ) -> Response: pathname = url_to_path(request.url) resp = Response() resp.status_code = 200 resp.url = request.url try: stats = os.stat(pathname) except OSError as exc: # format the exception raised as a io.BytesIO object, # to return a better error message: resp.status_code = 404 resp.reason = type(exc).__name__ resp.raw = io.BytesIO(f"{resp.reason}: {exc}".encode("utf8")) else: modified = email.utils.formatdate(stats.st_mtime, usegmt=True) content_type = mimetypes.guess_type(pathname)[0] or "text/plain" resp.headers = CaseInsensitiveDict( { "Content-Type": content_type, "Content-Length": stats.st_size, "Last-Modified": modified, } ) resp.raw = open(pathname, "rb") resp.close = resp.raw.close return resp def close(self) -> None: pass class InsecureHTTPAdapter(HTTPAdapter): def cert_verify( self, conn: ConnectionPool, url: str, verify: Union[bool, str], cert: Optional[Union[str, Tuple[str, str]]], ) -> None: super().cert_verify(conn=conn, url=url, verify=False, cert=cert) class InsecureCacheControlAdapter(CacheControlAdapter): def cert_verify( self, conn: ConnectionPool, url: str, verify: Union[bool, str], cert: Optional[Union[str, Tuple[str, str]]], ) -> None: super().cert_verify(conn=conn, url=url, verify=False, cert=cert) class PipSession(requests.Session): timeout: Optional[int] = None def __init__( self, *args: Any, retries: int = 0, cache: Optional[str] = None, trusted_hosts: Sequence[str] = (), index_urls: Optional[List[str]] = None, **kwargs: Any, ) -> None: """ :param trusted_hosts: Domains not to emit warnings for when not using HTTPS. """ super().__init__(*args, **kwargs) # Namespace the attribute with "pip_" just in case to prevent # possible conflicts with the base class. self.pip_trusted_origins: List[Tuple[str, Optional[int]]] = [] # Attach our User Agent to the request self.headers["User-Agent"] = user_agent() # Attach our Authentication handler to the session self.auth = MultiDomainBasicAuth(index_urls=index_urls) # Create our urllib3.Retry instance which will allow us to customize # how we handle retries. retries = urllib3.Retry( # Set the total number of retries that a particular request can # have. total=retries, # A 503 error from PyPI typically means that the Fastly -> Origin # connection got interrupted in some way. A 503 error in general # is typically considered a transient error so we'll go ahead and # retry it. # A 500 may indicate transient error in Amazon S3 # A 520 or 527 - may indicate transient error in CloudFlare status_forcelist=[500, 503, 520, 527], # Add a small amount of back off between failed requests in # order to prevent hammering the service. backoff_factor=0.25, ) # type: ignore # Our Insecure HTTPAdapter disables HTTPS validation. It does not # support caching so we'll use it for all http:// URLs. # If caching is disabled, we will also use it for # https:// hosts that we've marked as ignoring # TLS errors for (trusted-hosts). insecure_adapter = InsecureHTTPAdapter(max_retries=retries) # We want to _only_ cache responses on securely fetched origins or when # the host is specified as trusted. We do this because # we can't validate the response of an insecurely/untrusted fetched # origin, and we don't want someone to be able to poison the cache and # require manual eviction from the cache to fix it. if cache: secure_adapter = CacheControlAdapter( cache=SafeFileCache(cache), max_retries=retries, ) self._trusted_host_adapter = InsecureCacheControlAdapter( cache=SafeFileCache(cache), max_retries=retries, ) else: secure_adapter = HTTPAdapter(max_retries=retries) self._trusted_host_adapter = insecure_adapter self.mount("https://", secure_adapter) self.mount("http://", insecure_adapter) # Enable file:// urls self.mount("file://", LocalFSAdapter()) for host in trusted_hosts: self.add_trusted_host(host, suppress_logging=True) def update_index_urls(self, new_index_urls: List[str]) -> None: """ :param new_index_urls: New index urls to update the authentication handler with. """ self.auth.index_urls = new_index_urls def add_trusted_host( self, host: str, source: Optional[str] = None, suppress_logging: bool = False ) -> None: """ :param host: It is okay to provide a host that has previously been added. :param source: An optional source string, for logging where the host string came from. """ if not suppress_logging: msg = f"adding trusted host: {host!r}" if source is not None: msg += f" (from {source})" logger.info(msg) host_port = parse_netloc(host) if host_port not in self.pip_trusted_origins: self.pip_trusted_origins.append(host_port) self.mount( build_url_from_netloc(host, scheme="http") + "/", self._trusted_host_adapter ) self.mount(build_url_from_netloc(host) + "/", self._trusted_host_adapter) if not host_port[1]: self.mount( build_url_from_netloc(host, scheme="http") + ":", self._trusted_host_adapter, ) # Mount wildcard ports for the same host. self.mount(build_url_from_netloc(host) + ":", self._trusted_host_adapter) def iter_secure_origins(self) -> Iterator[SecureOrigin]: yield from SECURE_ORIGINS for host, port in self.pip_trusted_origins: yield ("*", host, "*" if port is None else port) def is_secure_origin(self, location: Link) -> bool: # Determine if this url used a secure transport mechanism parsed = urllib.parse.urlparse(str(location)) origin_protocol, origin_host, origin_port = ( parsed.scheme, parsed.hostname, parsed.port, ) # The protocol to use to see if the protocol matches. # Don't count the repository type as part of the protocol: in # cases such as "git+ssh", only use "ssh". (I.e., Only verify against # the last scheme.) origin_protocol = origin_protocol.rsplit("+", 1)[-1] # Determine if our origin is a secure origin by looking through our # hardcoded list of secure origins, as well as any additional ones # configured on this PackageFinder instance. for secure_origin in self.iter_secure_origins(): secure_protocol, secure_host, secure_port = secure_origin if origin_protocol != secure_protocol and secure_protocol != "*": continue try: addr = ipaddress.ip_address(origin_host) network = ipaddress.ip_network(secure_host) except ValueError: # We don't have both a valid address or a valid network, so # we'll check this origin against hostnames. if ( origin_host and origin_host.lower() != secure_host.lower() and secure_host != "*" ): continue else: # We have a valid address and network, so see if the address # is contained within the network. if addr not in network: continue # Check to see if the port matches. if ( origin_port != secure_port and secure_port != "*" and secure_port is not None ): continue # If we've gotten here, then this origin matches the current # secure origin and we should return True return True # If we've gotten to this point, then the origin isn't secure and we # will not accept it as a valid location to search. We will however # log a warning that we are ignoring it. logger.warning( "The repository located at %s is not a trusted or secure host and " "is being ignored. If this repository is available via HTTPS we " "recommend you use HTTPS instead, otherwise you may silence " "this warning and allow it anyway with '--trusted-host %s'.", origin_host, origin_host, ) return False def request(self, method: str, url: str, *args: Any, **kwargs: Any) -> Response: # Allow setting a default timeout on a session kwargs.setdefault("timeout", self.timeout) # Dispatch the actual request return super().request(method, url, *args, **kwargs) _internal/network/utils.py 0000644 00000007733 15114542002 0011726 0 ustar 00 from typing import Dict, Iterator from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response from pip._internal.exceptions import NetworkConnectionError # The following comments and HTTP headers were originally added by # Donald Stufft in git commit 22c562429a61bb77172039e480873fb239dd8c03. # # We use Accept-Encoding: identity here because requests defaults to # accepting compressed responses. This breaks in a variety of ways # depending on how the server is configured. # - Some servers will notice that the file isn't a compressible file # and will leave the file alone and with an empty Content-Encoding # - Some servers will notice that the file is already compressed and # will leave the file alone, adding a Content-Encoding: gzip header # - Some servers won't notice anything at all and will take a file # that's already been compressed and compress it again, and set # the Content-Encoding: gzip header # By setting this to request only the identity encoding we're hoping # to eliminate the third case. Hopefully there does not exist a server # which when given a file will notice it is already compressed and that # you're not asking for a compressed file and will then decompress it # before sending because if that's the case I don't think it'll ever be # possible to make this work. HEADERS: Dict[str, str] = {"Accept-Encoding": "identity"} def raise_for_status(resp: Response) -> None: http_error_msg = "" if isinstance(resp.reason, bytes): # We attempt to decode utf-8 first because some servers # choose to localize their reason strings. If the string # isn't utf-8, we fall back to iso-8859-1 for all other # encodings. try: reason = resp.reason.decode("utf-8") except UnicodeDecodeError: reason = resp.reason.decode("iso-8859-1") else: reason = resp.reason if 400 <= resp.status_code < 500: http_error_msg = ( f"{resp.status_code} Client Error: {reason} for url: {resp.url}" ) elif 500 <= resp.status_code < 600: http_error_msg = ( f"{resp.status_code} Server Error: {reason} for url: {resp.url}" ) if http_error_msg: raise NetworkConnectionError(http_error_msg, response=resp) def response_chunks( response: Response, chunk_size: int = CONTENT_CHUNK_SIZE ) -> Iterator[bytes]: """Given a requests Response, provide the data chunks.""" try: # Special case for urllib3. for chunk in response.raw.stream( chunk_size, # We use decode_content=False here because we don't # want urllib3 to mess with the raw bytes we get # from the server. If we decompress inside of # urllib3 then we cannot verify the checksum # because the checksum will be of the compressed # file. This breakage will only occur if the # server adds a Content-Encoding header, which # depends on how the server was configured: # - Some servers will notice that the file isn't a # compressible file and will leave the file alone # and with an empty Content-Encoding # - Some servers will notice that the file is # already compressed and will leave the file # alone and will add a Content-Encoding: gzip # header # - Some servers won't notice anything at all and # will take a file that's already been compressed # and compress it again and set the # Content-Encoding: gzip header # # By setting this not to decode automatically we # hope to eliminate problems with the second case. decode_content=False, ): yield chunk except AttributeError: # Standard file-like object. while True: chunk = response.raw.read(chunk_size) if not chunk: break yield chunk _internal/network/xmlrpc.py 0000644 00000003377 15114542002 0012073 0 ustar 00 """xmlrpclib.Transport implementation """ import logging import urllib.parse import xmlrpc.client from typing import TYPE_CHECKING, Tuple from pip._internal.exceptions import NetworkConnectionError from pip._internal.network.session import PipSession from pip._internal.network.utils import raise_for_status if TYPE_CHECKING: from xmlrpc.client import _HostType, _Marshallable logger = logging.getLogger(__name__) class PipXmlrpcTransport(xmlrpc.client.Transport): """Provide a `xmlrpclib.Transport` implementation via a `PipSession` object. 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""" import os from pip._vendor.pep517.wrappers import Pep517HookCaller from pip._internal.build_env import BuildEnvironment from pip._internal.utils.subprocess import runner_with_spinner_message from pip._internal.utils.temp_dir import TempDirectory def generate_metadata(build_env: BuildEnvironment, backend: Pep517HookCaller) -> str: """Generate metadata using mechanisms described in PEP 517. Returns the generated metadata directory. """ metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True) metadata_dir = metadata_tmpdir.path with build_env: # Note that Pep517HookCaller implements a fallback for # prepare_metadata_for_build_wheel, so we don't have to # consider the possibility that this hook doesn't exist. runner = runner_with_spinner_message("Preparing metadata (pyproject.toml)") with backend.subprocess_runner(runner): distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir) return os.path.join(metadata_dir, distinfo_dir) _internal/operations/build/metadata_legacy.py 0000644 00000003631 15114542002 0015454 0 ustar 00 """Metadata generation logic for legacy source distributions. """ import logging import os from pip._internal.build_env import BuildEnvironment from pip._internal.cli.spinners import open_spinner from pip._internal.exceptions import InstallationError from pip._internal.utils.setuptools_build import make_setuptools_egg_info_args from pip._internal.utils.subprocess import call_subprocess from pip._internal.utils.temp_dir import TempDirectory logger = logging.getLogger(__name__) def _find_egg_info(directory: str) -> str: """Find an .egg-info subdirectory in `directory`.""" filenames = [f for f in os.listdir(directory) if f.endswith(".egg-info")] if not filenames: raise InstallationError(f"No .egg-info directory found in {directory}") if len(filenames) > 1: raise InstallationError( "More than one .egg-info directory found in {}".format(directory) ) return os.path.join(directory, filenames[0]) def generate_metadata( build_env: BuildEnvironment, setup_py_path: str, source_dir: str, isolated: bool, details: str, ) -> str: """Generate metadata using setup.py-based defacto mechanisms. Returns the generated metadata directory. """ logger.debug( "Running setup.py (path:%s) egg_info for package %s", setup_py_path, details, ) egg_info_dir = TempDirectory(kind="pip-egg-info", globally_managed=True).path args = make_setuptools_egg_info_args( setup_py_path, egg_info_dir=egg_info_dir, no_user_config=isolated, ) with build_env: with open_spinner("Preparing metadata (setup.py)") as spinner: call_subprocess( args, cwd=source_dir, command_desc="python setup.py egg_info", spinner=spinner, ) # Return the .egg-info directory. return _find_egg_info(egg_info_dir) _internal/operations/build/wheel.py 0000644 00000002047 15114542002 0013454 0 ustar 00 import logging import os from typing import Optional from pip._vendor.pep517.wrappers import Pep517HookCaller from pip._internal.utils.subprocess import runner_with_spinner_message logger = logging.getLogger(__name__) def build_wheel_pep517( name: str, backend: Pep517HookCaller, metadata_directory: str, tempd: str, ) -> Optional[str]: """Build one InstallRequirement using the PEP 517 build process. Returns path to wheel if successfully built. Otherwise, returns None. """ assert metadata_directory is not None try: logger.debug("Destination directory: %s", tempd) runner = runner_with_spinner_message( f"Building wheel for {name} (pyproject.toml)" ) with backend.subprocess_runner(runner): wheel_name = backend.build_wheel( tempd, metadata_directory=metadata_directory, ) except Exception: logger.error("Failed building wheel for %s", name) return None return os.path.join(tempd, wheel_name) _internal/operations/build/wheel_legacy.py 0000644 00000005747 15114542002 0015012 0 ustar 00 import logging import os.path from typing import List, Optional from pip._internal.cli.spinners import open_spinner from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args from pip._internal.utils.subprocess import ( LOG_DIVIDER, call_subprocess, format_command_args, ) logger = logging.getLogger(__name__) def format_command_result( command_args: List[str], command_output: str, ) -> str: """Format command information for logging.""" command_desc = format_command_args(command_args) text = f"Command arguments: {command_desc}\n" if not command_output: text += "Command output: None" elif logger.getEffectiveLevel() > logging.DEBUG: text += "Command output: [use --verbose to show]" else: if not command_output.endswith("\n"): command_output += "\n" text += f"Command output:\n{command_output}{LOG_DIVIDER}" return text def get_legacy_build_wheel_path( names: List[str], temp_dir: str, name: str, command_args: List[str], command_output: str, ) -> Optional[str]: """Return the path to the wheel in the temporary build directory.""" # Sort for determinism. names = sorted(names) if not names: msg = ("Legacy build of wheel for {!r} created no files.\n").format(name) msg += format_command_result(command_args, command_output) logger.warning(msg) return None if len(names) > 1: msg = ( "Legacy build of wheel for {!r} created more than one file.\n" "Filenames (choosing first): {}\n" ).format(name, names) msg += format_command_result(command_args, command_output) logger.warning(msg) return os.path.join(temp_dir, names[0]) def build_wheel_legacy( name: str, setup_py_path: str, source_dir: str, global_options: List[str], build_options: List[str], tempd: str, ) -> Optional[str]: """Build one unpacked package using the "legacy" build process. Returns path to wheel if successfully built. Otherwise, returns None. """ wheel_args = make_setuptools_bdist_wheel_args( setup_py_path, global_options=global_options, build_options=build_options, destination_dir=tempd, ) spin_message = f"Building wheel for {name} (setup.py)" with open_spinner(spin_message) as spinner: logger.debug("Destination directory: %s", tempd) try: output = call_subprocess( wheel_args, cwd=source_dir, spinner=spinner, ) except Exception: spinner.finish("error") logger.error("Failed building wheel for %s", name) return None names = os.listdir(tempd) wheel_path = get_legacy_build_wheel_path( names=names, temp_dir=tempd, name=name, command_args=wheel_args, command_output=output, ) return wheel_path _internal/operations/build/metadata_editable.py 0000644 00000002231 15114542002 0015754 0 ustar 00 """Metadata generation logic for source distributions. """ import os from pip._vendor.pep517.wrappers import Pep517HookCaller from pip._internal.build_env import BuildEnvironment from pip._internal.utils.subprocess import runner_with_spinner_message from pip._internal.utils.temp_dir import TempDirectory def generate_editable_metadata( build_env: BuildEnvironment, backend: Pep517HookCaller ) -> str: """Generate metadata using mechanisms described in PEP 660. Returns the generated metadata directory. """ metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True) metadata_dir = metadata_tmpdir.path with build_env: # Note that Pep517HookCaller implements a fallback for # prepare_metadata_for_build_wheel/editable, so we don't have to # consider the possibility that this hook doesn't exist. runner = runner_with_spinner_message( "Preparing editable metadata (pyproject.toml)" ) with backend.subprocess_runner(runner): distinfo_dir = backend.prepare_metadata_for_build_editable(metadata_dir) return os.path.join(metadata_dir, distinfo_dir) _internal/operations/build/wheel_editable.py 0000644 00000002575 15114542002 0015313 0 ustar 00 import logging import os from typing import Optional from pip._vendor.pep517.wrappers import HookMissing, Pep517HookCaller from pip._internal.utils.subprocess import runner_with_spinner_message logger = logging.getLogger(__name__) def build_wheel_editable( name: str, backend: Pep517HookCaller, metadata_directory: str, tempd: str, ) -> Optional[str]: """Build one InstallRequirement using the PEP 660 build process. 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""" import logging from typing import List, Optional, Sequence from pip._internal.build_env import BuildEnvironment from pip._internal.utils.logging import indent_log from pip._internal.utils.setuptools_build import make_setuptools_develop_args from pip._internal.utils.subprocess import call_subprocess logger = logging.getLogger(__name__) def install_editable( install_options: List[str], global_options: Sequence[str], prefix: Optional[str], home: Optional[str], use_user_site: bool, name: str, setup_py_path: str, isolated: bool, build_env: BuildEnvironment, unpacked_source_directory: str, ) -> None: """Install a package in editable mode. Most arguments are pass-through to setuptools. """ logger.info("Running setup.py develop for %s", name) args = make_setuptools_develop_args( setup_py_path, global_options=global_options, install_options=install_options, no_user_config=isolated, prefix=prefix, home=home, use_user_site=use_user_site, ) with indent_log(): with build_env: call_subprocess( args, cwd=unpacked_source_directory, ) _internal/operations/install/legacy.py 0000644 00000010076 15114542002 0014164 0 ustar 00 """Legacy installation process, i.e. `setup.py install`. """ import logging import os from distutils.util import change_root from typing import List, Optional, Sequence from pip._internal.build_env import BuildEnvironment from pip._internal.exceptions import InstallationError from pip._internal.models.scheme import Scheme from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import ensure_dir from pip._internal.utils.setuptools_build import make_setuptools_install_args from pip._internal.utils.subprocess import runner_with_spinner_message from pip._internal.utils.temp_dir import TempDirectory logger = logging.getLogger(__name__) class LegacyInstallFailure(Exception): pass def write_installed_files_from_setuptools_record( record_lines: List[str], root: Optional[str], req_description: str, ) -> None: def prepend_root(path: str) -> str: if root is None or not os.path.isabs(path): return path else: return change_root(root, path) for line in record_lines: directory = os.path.dirname(line) if directory.endswith(".egg-info"): egg_info_dir = prepend_root(directory) break else: message = ( "{} did not indicate that it installed an " ".egg-info directory. Only setup.py projects " "generating .egg-info directories are supported." ).format(req_description) raise InstallationError(message) new_lines = [] for line in record_lines: filename = line.strip() if os.path.isdir(filename): filename += os.path.sep new_lines.append(os.path.relpath(prepend_root(filename), egg_info_dir)) new_lines.sort() ensure_dir(egg_info_dir) inst_files_path = os.path.join(egg_info_dir, "installed-files.txt") with open(inst_files_path, "w") as f: f.write("\n".join(new_lines) + "\n") def install( install_options: List[str], global_options: Sequence[str], root: Optional[str], home: Optional[str], prefix: Optional[str], use_user_site: bool, pycompile: bool, scheme: Scheme, setup_py_path: str, isolated: bool, req_name: str, build_env: BuildEnvironment, unpacked_source_directory: str, req_description: str, ) -> bool: header_dir = scheme.headers with TempDirectory(kind="record") as temp_dir: try: record_filename = os.path.join(temp_dir.path, "install-record.txt") install_args = make_setuptools_install_args( setup_py_path, global_options=global_options, install_options=install_options, record_filename=record_filename, root=root, prefix=prefix, header_dir=header_dir, home=home, use_user_site=use_user_site, no_user_config=isolated, pycompile=pycompile, ) runner = runner_with_spinner_message( f"Running setup.py install for {req_name}" ) with indent_log(), build_env: runner( cmd=install_args, cwd=unpacked_source_directory, ) if not os.path.exists(record_filename): logger.debug("Record file %s not found", record_filename) # Signal to the caller that we didn't install the new package return False except Exception as e: # Signal to the caller that we didn't install the new package raise LegacyInstallFailure from e # At this point, we have successfully installed the requirement. # We intentionally do not use any encoding to read the file because # setuptools writes the file using distutils.file_util.write_file, # which does not specify an encoding. with open(record_filename) as f: record_lines = f.read().splitlines() write_installed_files_from_setuptools_record(record_lines, root, req_description) return True _internal/operations/install/wheel.py 0000644 00000065424 15114542002 0014033 0 ustar 00 """Support for installing and building the "wheel" binary package format. """ import collections import compileall import contextlib import csv import importlib import logging import os.path import re import shutil import sys import warnings from base64 import urlsafe_b64encode from email.message import Message from itertools import chain, filterfalse, starmap from typing import ( IO, TYPE_CHECKING, Any, BinaryIO, Callable, Dict, Iterable, Iterator, List, NewType, Optional, Sequence, Set, Tuple, Union, cast, ) from zipfile import ZipFile, ZipInfo from pip._vendor.distlib.scripts import ScriptMaker from pip._vendor.distlib.util import get_export_entry from pip._vendor.packaging.utils import canonicalize_name from pip._internal.exceptions import InstallationError from pip._internal.locations import get_major_minor_version from pip._internal.metadata import ( BaseDistribution, FilesystemWheel, get_wheel_distribution, ) from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl from pip._internal.models.scheme import SCHEME_KEYS, Scheme from pip._internal.utils.filesystem import adjacent_tmp_file, replace from pip._internal.utils.misc import captured_stdout, ensure_dir, hash_file, partition from pip._internal.utils.unpacking import ( current_umask, is_within_directory, set_extracted_file_to_default_mode_plus_executable, zip_item_is_executable, ) from pip._internal.utils.wheel import parse_wheel if TYPE_CHECKING: from typing import Protocol class File(Protocol): src_record_path: "RecordPath" dest_path: str changed: bool def save(self) -> None: pass logger = logging.getLogger(__name__) RecordPath = NewType("RecordPath", str) InstalledCSVRow = Tuple[RecordPath, str, Union[int, str]] def rehash(path: str, blocksize: int = 1 << 20) -> Tuple[str, str]: """Return (encoded_digest, length) for path using hashlib.sha256()""" h, length = hash_file(path, blocksize) digest = "sha256=" + urlsafe_b64encode(h.digest()).decode("latin1").rstrip("=") return (digest, str(length)) def csv_io_kwargs(mode: str) -> Dict[str, Any]: """Return keyword arguments to properly open a CSV file in the given mode. """ return {"mode": mode, "newline": "", "encoding": "utf-8"} def fix_script(path: str) -> bool: """Replace #!python with #!/path/to/python Return True if file was changed. """ # XXX RECORD hashes will need to be updated assert os.path.isfile(path) with open(path, "rb") as script: firstline = script.readline() if not firstline.startswith(b"#!python"): return False exename = sys.executable.encode(sys.getfilesystemencoding()) firstline = b"#!" + exename + os.linesep.encode("ascii") rest = script.read() with open(path, "wb") as script: script.write(firstline) script.write(rest) return True def wheel_root_is_purelib(metadata: Message) -> bool: return metadata.get("Root-Is-Purelib", "").lower() == "true" def get_entrypoints(dist: BaseDistribution) -> Tuple[Dict[str, str], Dict[str, str]]: console_scripts = {} gui_scripts = {} for entry_point in dist.iter_entry_points(): if entry_point.group == "console_scripts": console_scripts[entry_point.name] = entry_point.value elif entry_point.group == "gui_scripts": gui_scripts[entry_point.name] = entry_point.value return console_scripts, gui_scripts def message_about_scripts_not_on_PATH(scripts: Sequence[str]) -> Optional[str]: """Determine if any scripts are not on PATH and format a warning. Returns a warning message if one or more scripts are not on PATH, otherwise None. """ if not scripts: return None # Group scripts by the path they were installed in grouped_by_dir: Dict[str, Set[str]] = collections.defaultdict(set) for destfile in scripts: parent_dir = os.path.dirname(destfile) script_name = os.path.basename(destfile) grouped_by_dir[parent_dir].add(script_name) # We don't want to warn for directories that are on PATH. not_warn_dirs = [ os.path.normcase(i).rstrip(os.sep) for i in os.environ.get("PATH", "").split(os.pathsep) ] # If an executable sits with sys.executable, we don't warn for it. # This covers the case of venv invocations without activating the venv. not_warn_dirs.append(os.path.normcase(os.path.dirname(sys.executable))) warn_for: Dict[str, Set[str]] = { parent_dir: scripts for parent_dir, scripts in grouped_by_dir.items() if os.path.normcase(parent_dir) not in not_warn_dirs } if not warn_for: return None # Format a message msg_lines = [] for parent_dir, dir_scripts in warn_for.items(): sorted_scripts: List[str] = sorted(dir_scripts) if len(sorted_scripts) == 1: start_text = "script {} is".format(sorted_scripts[0]) else: start_text = "scripts {} are".format( ", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1] ) msg_lines.append( "The {} installed in '{}' which is not on PATH.".format( start_text, parent_dir ) ) last_line_fmt = ( "Consider adding {} to PATH or, if you prefer " "to suppress this warning, use --no-warn-script-location." ) if len(msg_lines) == 1: msg_lines.append(last_line_fmt.format("this directory")) else: msg_lines.append(last_line_fmt.format("these directories")) # Add a note if any directory starts with ~ warn_for_tilde = any( i[0] == "~" for i in os.environ.get("PATH", "").split(os.pathsep) if i ) if warn_for_tilde: tilde_warning_msg = ( "NOTE: The current PATH contains path(s) starting with `~`, " "which may not be expanded by all applications." ) msg_lines.append(tilde_warning_msg) # Returns the formatted multiline message return "\n".join(msg_lines) def _normalized_outrows( outrows: Iterable[InstalledCSVRow], ) -> List[Tuple[str, str, str]]: """Normalize the given rows of a RECORD file. Items in each row are converted into str. Rows are then sorted to make the value more predictable for tests. Each row is a 3-tuple (path, hash, size) and corresponds to a record of a RECORD file (see PEP 376 and PEP 427 for details). For the rows passed to this function, the size can be an integer as an int or string, or the empty string. """ # Normally, there should only be one row per path, in which case the # second and third elements don't come into play when sorting. # However, in cases in the wild where a path might happen to occur twice, # we don't want the sort operation to trigger an error (but still want # determinism). Since the third element can be an int or string, we # coerce each element to a string to avoid a TypeError in this case. # For additional background, see-- # https://github.com/pypa/pip/issues/5868 return sorted( (record_path, hash_, str(size)) for record_path, hash_, size in outrows ) def _record_to_fs_path(record_path: RecordPath) -> str: return record_path def _fs_to_record_path(path: str, relative_to: Optional[str] = None) -> RecordPath: if relative_to is not None: # On Windows, do not handle relative paths if they belong to different # logical disks if ( os.path.splitdrive(path)[0].lower() == os.path.splitdrive(relative_to)[0].lower() ): path = os.path.relpath(path, relative_to) path = path.replace(os.path.sep, "/") return cast("RecordPath", path) def get_csv_rows_for_installed( old_csv_rows: List[List[str]], installed: Dict[RecordPath, RecordPath], changed: Set[RecordPath], generated: List[str], lib_dir: str, ) -> List[InstalledCSVRow]: """ :param installed: A map from archive RECORD path to installation RECORD path. """ installed_rows: List[InstalledCSVRow] = [] for row in old_csv_rows: if len(row) > 3: logger.warning("RECORD line has more than three elements: %s", row) old_record_path = cast("RecordPath", row[0]) new_record_path = installed.pop(old_record_path, old_record_path) if new_record_path in changed: digest, length = rehash(_record_to_fs_path(new_record_path)) else: digest = row[1] if len(row) > 1 else "" length = row[2] if len(row) > 2 else "" installed_rows.append((new_record_path, digest, length)) for f in generated: path = _fs_to_record_path(f, lib_dir) digest, length = rehash(f) installed_rows.append((path, digest, length)) for installed_record_path in installed.values(): installed_rows.append((installed_record_path, "", "")) return installed_rows def get_console_script_specs(console: Dict[str, str]) -> List[str]: """ Given the mapping from entrypoint name to callable, return the relevant console script specs. """ # Don't mutate caller's version console = console.copy() scripts_to_generate = [] # Special case pip and setuptools to generate versioned wrappers # # The issue is that some projects (specifically, pip and setuptools) use # code in setup.py to create "versioned" entry points - pip2.7 on Python # 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into # the wheel metadata at build time, and so if the wheel is installed with # a *different* version of Python the entry points will be wrong. The # correct fix for this is to enhance the metadata to be able to describe # such versioned entry points, but that won't happen till Metadata 2.0 is # available. # In the meantime, projects using versioned entry points will either have # incorrect versioned entry points, or they will not be able to distribute # "universal" wheels (i.e., they will need a wheel per Python version). # # Because setuptools and pip are bundled with _ensurepip and virtualenv, # we need to use universal wheels. So, as a stopgap until Metadata 2.0, we # override the versioned entry points in the wheel and generate the # correct ones. This code is purely a short-term measure until Metadata 2.0 # is available. # # To add the level of hack in this section of code, in order to support # ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment # variable which will control which version scripts get installed. # # ENSUREPIP_OPTIONS=altinstall # - Only pipX.Y and easy_install-X.Y will be generated and installed # ENSUREPIP_OPTIONS=install # - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note # that this option is technically if ENSUREPIP_OPTIONS is set and is # not altinstall # DEFAULT # - The default behavior is to install pip, pipX, pipX.Y, easy_install # and easy_install-X.Y. pip_script = console.pop("pip", None) if pip_script: if "ENSUREPIP_OPTIONS" not in os.environ: scripts_to_generate.append("pip = " + pip_script) if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall": scripts_to_generate.append( "pip{} = {}".format(sys.version_info[0], pip_script) ) scripts_to_generate.append(f"pip{get_major_minor_version()} = {pip_script}") # Delete any other versioned pip entry points pip_ep = [k for k in console if re.match(r"pip(\d(\.\d)?)?$", k)] for k in pip_ep: del console[k] easy_install_script = console.pop("easy_install", None) if easy_install_script: if "ENSUREPIP_OPTIONS" not in os.environ: scripts_to_generate.append("easy_install = " + easy_install_script) scripts_to_generate.append( "easy_install-{} = {}".format( get_major_minor_version(), easy_install_script ) ) # Delete any other versioned easy_install entry points easy_install_ep = [ k for k in console if re.match(r"easy_install(-\d\.\d)?$", k) ] for k in easy_install_ep: del console[k] # Generate the console entry points specified in the wheel scripts_to_generate.extend(starmap("{} = {}".format, console.items())) return scripts_to_generate class ZipBackedFile: def __init__( self, src_record_path: RecordPath, dest_path: str, zip_file: ZipFile ) -> None: self.src_record_path = src_record_path self.dest_path = dest_path self._zip_file = zip_file self.changed = False def _getinfo(self) -> ZipInfo: return self._zip_file.getinfo(self.src_record_path) def save(self) -> None: # directory creation is lazy and after file filtering # to ensure we don't install empty dirs; empty dirs can't be # uninstalled. parent_dir = os.path.dirname(self.dest_path) ensure_dir(parent_dir) # When we open the output file below, any existing file is truncated # before we start writing the new contents. This is fine in most # cases, but can cause a segfault if pip has loaded a shared # object (e.g. from pyopenssl through its vendored urllib3) # Since the shared object is mmap'd an attempt to call a # symbol in it will then cause a segfault. Unlinking the file # allows writing of new contents while allowing the process to # continue to use the old copy. if os.path.exists(self.dest_path): os.unlink(self.dest_path) zipinfo = self._getinfo() with self._zip_file.open(zipinfo) as f: with open(self.dest_path, "wb") as dest: shutil.copyfileobj(f, dest) if zip_item_is_executable(zipinfo): set_extracted_file_to_default_mode_plus_executable(self.dest_path) class ScriptFile: def __init__(self, file: "File") -> None: self._file = file self.src_record_path = self._file.src_record_path self.dest_path = self._file.dest_path self.changed = False def save(self) -> None: self._file.save() self.changed = fix_script(self.dest_path) class MissingCallableSuffix(InstallationError): def __init__(self, entry_point: str) -> None: super().__init__( "Invalid script entry point: {} - A callable " "suffix is required. Cf https://packaging.python.org/" "specifications/entry-points/#use-for-scripts for more " "information.".format(entry_point) ) def _raise_for_invalid_entrypoint(specification: str) -> None: entry = get_export_entry(specification) if entry is not None and entry.suffix is None: raise MissingCallableSuffix(str(entry)) class PipScriptMaker(ScriptMaker): def make(self, specification: str, options: Dict[str, Any] = None) -> List[str]: _raise_for_invalid_entrypoint(specification) return super().make(specification, options) def _install_wheel( name: str, wheel_zip: ZipFile, wheel_path: str, scheme: Scheme, pycompile: bool = True, warn_script_location: bool = True, direct_url: Optional[DirectUrl] = None, requested: bool = False, ) -> None: """Install a wheel. :param name: Name of the project to install :param wheel_zip: open ZipFile for wheel being installed :param scheme: Distutils scheme dictating the install directories :param req_description: String used in place of the requirement, for logging :param pycompile: Whether to byte-compile installed Python files :param warn_script_location: Whether to check that scripts are installed into a directory on PATH :raises UnsupportedWheel: * when the directory holds an unpacked wheel with incompatible Wheel-Version * when the .dist-info dir does not match the wheel """ info_dir, metadata = parse_wheel(wheel_zip, name) if wheel_root_is_purelib(metadata): lib_dir = scheme.purelib else: lib_dir = scheme.platlib # Record details of the files moved # installed = files copied from the wheel to the destination # changed = files changed while installing (scripts #! line typically) # generated = files newly generated during the install (script wrappers) installed: Dict[RecordPath, RecordPath] = {} changed: Set[RecordPath] = set() generated: List[str] = [] def record_installed( srcfile: RecordPath, destfile: str, modified: bool = False ) -> None: """Map archive RECORD paths to installation RECORD paths.""" newpath = _fs_to_record_path(destfile, lib_dir) installed[srcfile] = newpath if modified: changed.add(_fs_to_record_path(destfile)) def is_dir_path(path: RecordPath) -> bool: return path.endswith("/") def assert_no_path_traversal(dest_dir_path: str, target_path: str) -> None: if not is_within_directory(dest_dir_path, target_path): message = ( "The wheel {!r} has a file {!r} trying to install" " outside the target directory {!r}" ) raise InstallationError( message.format(wheel_path, target_path, dest_dir_path) ) def root_scheme_file_maker( zip_file: ZipFile, dest: str ) -> Callable[[RecordPath], "File"]: def make_root_scheme_file(record_path: RecordPath) -> "File": normed_path = os.path.normpath(record_path) dest_path = os.path.join(dest, normed_path) assert_no_path_traversal(dest, dest_path) return ZipBackedFile(record_path, dest_path, zip_file) return make_root_scheme_file def data_scheme_file_maker( zip_file: ZipFile, scheme: Scheme ) -> Callable[[RecordPath], "File"]: scheme_paths = {key: getattr(scheme, key) for key in SCHEME_KEYS} def make_data_scheme_file(record_path: RecordPath) -> "File": normed_path = os.path.normpath(record_path) try: _, scheme_key, dest_subpath = normed_path.split(os.path.sep, 2) except ValueError: message = ( "Unexpected file in {}: {!r}. .data directory contents" " should be named like: '<scheme key>/<path>'." ).format(wheel_path, record_path) raise InstallationError(message) try: scheme_path = scheme_paths[scheme_key] except KeyError: valid_scheme_keys = ", ".join(sorted(scheme_paths)) message = ( "Unknown scheme key used in {}: {} (for file {!r}). .data" " directory contents should be in subdirectories named" " with a valid scheme key ({})" ).format(wheel_path, scheme_key, record_path, valid_scheme_keys) raise InstallationError(message) dest_path = os.path.join(scheme_path, dest_subpath) assert_no_path_traversal(scheme_path, dest_path) return ZipBackedFile(record_path, dest_path, zip_file) return make_data_scheme_file def is_data_scheme_path(path: RecordPath) -> bool: return path.split("/", 1)[0].endswith(".data") paths = cast(List[RecordPath], wheel_zip.namelist()) file_paths = filterfalse(is_dir_path, paths) root_scheme_paths, data_scheme_paths = partition(is_data_scheme_path, file_paths) make_root_scheme_file = root_scheme_file_maker(wheel_zip, lib_dir) files: Iterator[File] = map(make_root_scheme_file, root_scheme_paths) def is_script_scheme_path(path: RecordPath) -> bool: parts = path.split("/", 2) return len(parts) > 2 and parts[0].endswith(".data") and parts[1] == "scripts" other_scheme_paths, script_scheme_paths = partition( is_script_scheme_path, data_scheme_paths ) make_data_scheme_file = data_scheme_file_maker(wheel_zip, scheme) other_scheme_files = map(make_data_scheme_file, other_scheme_paths) files = chain(files, other_scheme_files) # Get the defined entry points distribution = get_wheel_distribution( FilesystemWheel(wheel_path), canonicalize_name(name), ) console, gui = get_entrypoints(distribution) def is_entrypoint_wrapper(file: "File") -> bool: # EP, EP.exe and EP-script.py are scripts generated for # entry point EP by setuptools path = file.dest_path name = os.path.basename(path) if name.lower().endswith(".exe"): matchname = name[:-4] elif name.lower().endswith("-script.py"): matchname = name[:-10] elif name.lower().endswith(".pya"): matchname = name[:-4] else: matchname = name # Ignore setuptools-generated scripts return matchname in console or matchname in gui script_scheme_files: Iterator[File] = map( make_data_scheme_file, script_scheme_paths ) script_scheme_files = filterfalse(is_entrypoint_wrapper, script_scheme_files) script_scheme_files = map(ScriptFile, script_scheme_files) files = chain(files, script_scheme_files) for file in files: file.save() record_installed(file.src_record_path, file.dest_path, file.changed) def pyc_source_file_paths() -> Iterator[str]: # We de-duplicate installation paths, since there can be overlap (e.g. # file in .data maps to same location as file in wheel root). # Sorting installation paths makes it easier to reproduce and debug # issues related to permissions on existing files. for installed_path in sorted(set(installed.values())): full_installed_path = os.path.join(lib_dir, installed_path) if not os.path.isfile(full_installed_path): continue if not full_installed_path.endswith(".py"): continue yield full_installed_path def pyc_output_path(path: str) -> str: """Return the path the pyc file would have been written to.""" return importlib.util.cache_from_source(path) # Compile all of the pyc files for the installed files if pycompile: with captured_stdout() as stdout: with warnings.catch_warnings(): warnings.filterwarnings("ignore") for path in pyc_source_file_paths(): success = compileall.compile_file(path, force=True, quiet=True) if success: pyc_path = pyc_output_path(path) assert os.path.exists(pyc_path) pyc_record_path = cast( "RecordPath", pyc_path.replace(os.path.sep, "/") ) record_installed(pyc_record_path, pyc_path) logger.debug(stdout.getvalue()) maker = PipScriptMaker(None, scheme.scripts) # Ensure old scripts are overwritten. # See https://github.com/pypa/pip/issues/1800 maker.clobber = True # Ensure we don't generate any variants for scripts because this is almost # never what somebody wants. # See https://bitbucket.org/pypa/distlib/issue/35/ maker.variants = {""} # This is required because otherwise distlib creates scripts that are not # executable. # See https://bitbucket.org/pypa/distlib/issue/32/ maker.set_mode = True # Generate the console and GUI entry points specified in the wheel scripts_to_generate = get_console_script_specs(console) gui_scripts_to_generate = list(starmap("{} = {}".format, gui.items())) generated_console_scripts = maker.make_multiple(scripts_to_generate) generated.extend(generated_console_scripts) generated.extend(maker.make_multiple(gui_scripts_to_generate, {"gui": True})) if warn_script_location: msg = message_about_scripts_not_on_PATH(generated_console_scripts) if msg is not None: logger.warning(msg) generated_file_mode = 0o666 & ~current_umask() @contextlib.contextmanager def _generate_file(path: str, **kwargs: Any) -> Iterator[BinaryIO]: with adjacent_tmp_file(path, **kwargs) as f: yield f os.chmod(f.name, generated_file_mode) replace(f.name, path) dest_info_dir = os.path.join(lib_dir, info_dir) # Record pip as the installer installer_path = os.path.join(dest_info_dir, "INSTALLER") with _generate_file(installer_path) as installer_file: installer_file.write(b"pip\n") generated.append(installer_path) # Record the PEP 610 direct URL reference if direct_url is not None: direct_url_path = os.path.join(dest_info_dir, DIRECT_URL_METADATA_NAME) with _generate_file(direct_url_path) as direct_url_file: direct_url_file.write(direct_url.to_json().encode("utf-8")) generated.append(direct_url_path) # Record the REQUESTED file if requested: requested_path = os.path.join(dest_info_dir, "REQUESTED") with open(requested_path, "wb"): pass generated.append(requested_path) record_text = distribution.read_text("RECORD") record_rows = list(csv.reader(record_text.splitlines())) rows = get_csv_rows_for_installed( record_rows, installed=installed, changed=changed, generated=generated, lib_dir=lib_dir, ) # Record details of all files installed record_path = os.path.join(dest_info_dir, "RECORD") with _generate_file(record_path, **csv_io_kwargs("w")) as record_file: # Explicitly cast to typing.IO[str] as a workaround for the mypy error: # "writer" has incompatible type "BinaryIO"; expected "_Writer" writer = csv.writer(cast("IO[str]", record_file)) writer.writerows(_normalized_outrows(rows)) @contextlib.contextmanager def req_error_context(req_description: str) -> Iterator[None]: try: yield except InstallationError as e: message = "For req: {}. {}".format(req_description, e.args[0]) raise InstallationError(message) from e def install_wheel( name: str, wheel_path: str, scheme: Scheme, req_description: str, pycompile: bool = True, warn_script_location: bool = True, direct_url: Optional[DirectUrl] = None, requested: bool = False, ) -> None: with ZipFile(wheel_path, allowZip64=True) as z: with req_error_context(req_description): _install_wheel( name=name, wheel_zip=z, wheel_path=wheel_path, scheme=scheme, pycompile=pycompile, warn_script_location=warn_script_location, direct_url=direct_url, requested=requested, ) _internal/operations/__init__.py 0000644 00000000000 15114542002 0012773 0 ustar 00 _internal/operations/check.py 0000644 00000011765 15114542002 0012335 0 ustar 00 """Validation of dependencies of packages """ import logging from typing import Callable, Dict, List, NamedTuple, Optional, Set, Tuple from pip._vendor.packaging.requirements import Requirement from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._internal.distributions import make_distribution_for_install_requirement from pip._internal.metadata import get_default_environment from pip._internal.metadata.base import DistributionVersion from pip._internal.req.req_install import InstallRequirement logger = logging.getLogger(__name__) class PackageDetails(NamedTuple): version: DistributionVersion dependencies: List[Requirement] # Shorthands PackageSet = Dict[NormalizedName, PackageDetails] Missing = Tuple[NormalizedName, Requirement] Conflicting = Tuple[NormalizedName, DistributionVersion, Requirement] MissingDict = Dict[NormalizedName, List[Missing]] ConflictingDict = Dict[NormalizedName, List[Conflicting]] CheckResult = Tuple[MissingDict, ConflictingDict] ConflictDetails = Tuple[PackageSet, CheckResult] def create_package_set_from_installed() -> Tuple[PackageSet, bool]: """Converts a list of distributions into a PackageSet.""" package_set = {} problems = False env = get_default_environment() for dist in env.iter_installed_distributions(local_only=False, skip=()): name = dist.canonical_name try: dependencies = list(dist.iter_dependencies()) package_set[name] = PackageDetails(dist.version, dependencies) except (OSError, ValueError) as e: # Don't crash on unreadable or broken metadata. logger.warning("Error parsing requirements for %s: %s", name, e) problems = True return package_set, problems def check_package_set( package_set: PackageSet, should_ignore: Optional[Callable[[str], bool]] = None ) -> CheckResult: """Check if a package set is consistent If should_ignore is passed, it should be a callable that takes a package name and returns a boolean. """ missing = {} conflicting = {} for package_name, package_detail in package_set.items(): # Info about dependencies of package_name missing_deps: Set[Missing] = set() conflicting_deps: Set[Conflicting] = set() if should_ignore and should_ignore(package_name): continue for req in package_detail.dependencies: name = canonicalize_name(req.name) # Check if it's missing if name not in package_set: missed = True if req.marker is not None: missed = req.marker.evaluate() if missed: missing_deps.add((name, req)) continue # Check if there's a conflict version = package_set[name].version if not req.specifier.contains(version, prereleases=True): conflicting_deps.add((name, version, req)) if missing_deps: missing[package_name] = sorted(missing_deps, key=str) if conflicting_deps: conflicting[package_name] = sorted(conflicting_deps, key=str) return missing, conflicting def check_install_conflicts(to_install: List[InstallRequirement]) -> ConflictDetails: """For checking if the dependency graph would be consistent after \ installing given requirements """ # Start from the current state package_set, _ = create_package_set_from_installed() # Install packages would_be_installed = _simulate_installation_of(to_install, package_set) # Only warn about directly-dependent packages; create a whitelist of them whitelist = _create_whitelist(would_be_installed, package_set) return ( package_set, check_package_set( package_set, should_ignore=lambda name: name not in whitelist ), ) def _simulate_installation_of( to_install: List[InstallRequirement], package_set: PackageSet ) -> Set[NormalizedName]: """Computes the version of packages after installing to_install.""" # Keep track of packages that were installed installed = set() # Modify it as installing requirement_set would (assuming no errors) for inst_req in to_install: abstract_dist = make_distribution_for_install_requirement(inst_req) dist = abstract_dist.get_metadata_distribution() name = dist.canonical_name package_set[name] = PackageDetails(dist.version, list(dist.iter_dependencies())) installed.add(name) return installed def _create_whitelist( would_be_installed: Set[NormalizedName], package_set: PackageSet ) -> Set[NormalizedName]: packages_affected = set(would_be_installed) for package_name in package_set: if package_name in packages_affected: continue for req in package_set[package_name].dependencies: if canonicalize_name(req.name) in packages_affected: packages_affected.add(package_name) break return packages_affected _internal/operations/freeze.py 0000644 00000023052 15114542002 0012530 0 ustar 00 import collections import logging import os from typing import Container, Dict, Iterable, Iterator, List, NamedTuple, Optional, Set from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.packaging.version import Version from pip._internal.exceptions import BadCommand, InstallationError from pip._internal.metadata import BaseDistribution, get_environment from pip._internal.req.constructors import ( install_req_from_editable, install_req_from_line, ) from pip._internal.req.req_file import COMMENT_RE from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference logger = logging.getLogger(__name__) class _EditableInfo(NamedTuple): requirement: str comments: List[str] def freeze( requirement: Optional[List[str]] = None, local_only: bool = False, user_only: bool = False, paths: Optional[List[str]] = None, isolated: bool = False, exclude_editable: bool = False, skip: Container[str] = (), ) -> Iterator[str]: installations: Dict[str, FrozenRequirement] = {} dists = get_environment(paths).iter_installed_distributions( local_only=local_only, skip=(), user_only=user_only, ) for dist in dists: req = FrozenRequirement.from_dist(dist) if exclude_editable and req.editable: continue installations[req.canonical_name] = req if requirement: # the options that don't get turned into an InstallRequirement # should only be emitted once, even if the same option is in multiple # requirements files, so we need to keep track of what has been emitted # so that we don't emit it again if it's seen again emitted_options: Set[str] = set() # keep track of which files a requirement is in so that we can # give an accurate warning if a requirement appears multiple times. req_files: Dict[str, List[str]] = collections.defaultdict(list) for req_file_path in requirement: with open(req_file_path) as req_file: for line in req_file: if ( not line.strip() or line.strip().startswith("#") or line.startswith( ( "-r", "--requirement", "-f", "--find-links", "-i", "--index-url", "--pre", "--trusted-host", "--process-dependency-links", "--extra-index-url", "--use-feature", ) ) ): line = line.rstrip() if line not in emitted_options: emitted_options.add(line) yield line continue if line.startswith("-e") or line.startswith("--editable"): if line.startswith("-e"): line = line[2:].strip() else: line = line[len("--editable") :].strip().lstrip("=") line_req = install_req_from_editable( line, isolated=isolated, ) else: line_req = install_req_from_line( COMMENT_RE.sub("", line).strip(), isolated=isolated, ) if not line_req.name: logger.info( "Skipping line in requirement file [%s] because " "it's not clear what it would install: %s", req_file_path, line.strip(), ) logger.info( " (add #egg=PackageName to the URL to avoid" " this warning)" ) else: line_req_canonical_name = canonicalize_name(line_req.name) if line_req_canonical_name not in installations: # either it's not installed, or it is installed # but has been processed already if not req_files[line_req.name]: logger.warning( "Requirement file [%s] contains %s, but " "package %r is not installed", req_file_path, COMMENT_RE.sub("", line).strip(), line_req.name, ) else: req_files[line_req.name].append(req_file_path) else: yield str(installations[line_req_canonical_name]).rstrip() del installations[line_req_canonical_name] req_files[line_req.name].append(req_file_path) # Warn about requirements that were included multiple times (in a # single requirements file or in different requirements files). for name, files in req_files.items(): if len(files) > 1: logger.warning( "Requirement %s included multiple times [%s]", name, ", ".join(sorted(set(files))), ) yield ("## The following requirements were added by pip freeze:") for installation in sorted(installations.values(), key=lambda x: x.name.lower()): if installation.canonical_name not in skip: yield str(installation).rstrip() def _format_as_name_version(dist: BaseDistribution) -> str: if isinstance(dist.version, Version): return f"{dist.raw_name}=={dist.version}" return f"{dist.raw_name}==={dist.version}" def _get_editable_info(dist: BaseDistribution) -> _EditableInfo: """ Compute and return values (req, comments) for use in FrozenRequirement.from_dist(). """ editable_project_location = dist.editable_project_location assert editable_project_location location = os.path.normcase(os.path.abspath(editable_project_location)) from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs vcs_backend = vcs.get_backend_for_dir(location) if vcs_backend is None: display = _format_as_name_version(dist) logger.debug( 'No VCS found for editable requirement "%s" in: %r', display, location, ) return _EditableInfo( requirement=location, comments=[f"# Editable install with no version control ({display})"], ) vcs_name = type(vcs_backend).__name__ try: req = vcs_backend.get_src_requirement(location, dist.raw_name) except RemoteNotFoundError: display = _format_as_name_version(dist) return _EditableInfo( requirement=location, comments=[f"# Editable {vcs_name} install with no remote ({display})"], ) except RemoteNotValidError as ex: display = _format_as_name_version(dist) return _EditableInfo( requirement=location, comments=[ f"# Editable {vcs_name} install ({display}) with either a deleted " f"local remote or invalid URI:", f"# '{ex.url}'", ], ) except BadCommand: logger.warning( "cannot determine version of editable source in %s " "(%s command not found in path)", location, vcs_backend.name, ) return _EditableInfo(requirement=location, comments=[]) except InstallationError as exc: logger.warning("Error when trying to get requirement for VCS system %s", exc) else: return _EditableInfo(requirement=req, comments=[]) logger.warning("Could not determine repository location of %s", location) return _EditableInfo( requirement=location, comments=["## !! Could not determine repository location"], ) class FrozenRequirement: def __init__( self, name: str, req: str, editable: bool, comments: Iterable[str] = (), ) -> None: self.name = name self.canonical_name = canonicalize_name(name) self.req = req self.editable = editable self.comments = comments @classmethod def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement": editable = dist.editable if editable: req, comments = _get_editable_info(dist) else: comments = [] direct_url = dist.direct_url if direct_url: # if PEP 610 metadata is present, use it req = direct_url_as_pep440_direct_reference(direct_url, dist.raw_name) else: # name==version requirement req = _format_as_name_version(dist) return cls(dist.raw_name, req, editable, comments=comments) def __str__(self) -> str: req = self.req if self.editable: req = f"-e {req}" return "\n".join(list(self.comments) + [str(req)]) + "\n" _internal/operations/prepare.py 0000644 00000056436 15114542002 0012722 0 ustar 00 """Prepares a distribution for installation """ # The following comment should be removed at some point in the future. # mypy: strict-optional=False import logging import mimetypes import os import shutil from typing import Dict, Iterable, List, Optional from pip._vendor.packaging.utils import canonicalize_name from pip._internal.distributions import make_distribution_for_install_requirement from pip._internal.distributions.installed import InstalledDistribution from pip._internal.exceptions import ( DirectoryUrlHashUnsupported, HashMismatch, HashUnpinned, InstallationError, NetworkConnectionError, PreviousBuildDirError, VcsHashUnsupported, ) from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import BaseDistribution from pip._internal.models.link import Link from pip._internal.models.wheel import Wheel from pip._internal.network.download import BatchDownloader, Downloader from pip._internal.network.lazy_wheel import ( HTTPRangeRequestUnsupported, dist_from_wheel_url, ) from pip._internal.network.session import PipSession from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_tracker import RequirementTracker from pip._internal.utils.filesystem import copy2_fixed from pip._internal.utils.hashes import Hashes, MissingHashes from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import display_path, hide_url, is_installable_dir, rmtree from pip._internal.utils.temp_dir import TempDirectory from pip._internal.utils.unpacking import unpack_file from pip._internal.vcs import vcs logger = logging.getLogger(__name__) def _get_prepared_distribution( req: InstallRequirement, req_tracker: RequirementTracker, finder: PackageFinder, build_isolation: bool, ) -> BaseDistribution: """Prepare a distribution for installation.""" abstract_dist = make_distribution_for_install_requirement(req) with req_tracker.track(req): abstract_dist.prepare_distribution_metadata(finder, build_isolation) return abstract_dist.get_metadata_distribution() def unpack_vcs_link(link: Link, location: str) -> None: vcs_backend = vcs.get_backend_for_scheme(link.scheme) assert vcs_backend is not None vcs_backend.unpack(location, url=hide_url(link.url)) class File: def __init__(self, path: str, content_type: Optional[str]) -> None: self.path = path if content_type is None: self.content_type = mimetypes.guess_type(path)[0] else: self.content_type = content_type def get_http_url( link: Link, download: Downloader, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None, ) -> File: temp_dir = TempDirectory(kind="unpack", globally_managed=True) # If a download dir is specified, is the file already downloaded there? already_downloaded_path = None if download_dir: already_downloaded_path = _check_download_dir(link, download_dir, hashes) if already_downloaded_path: from_path = already_downloaded_path content_type = None else: # let's download to a tmp dir from_path, content_type = download(link, temp_dir.path) if hashes: hashes.check_against_path(from_path) return File(from_path, content_type) def _copy2_ignoring_special_files(src: str, dest: str) -> None: """Copying special files is not supported, but as a convenience to users we skip errors copying them. This supports tools that may create e.g. socket files in the project source directory. """ try: copy2_fixed(src, dest) except shutil.SpecialFileError as e: # SpecialFileError may be raised due to either the source or # destination. If the destination was the cause then we would actually # care, but since the destination directory is deleted prior to # copy we ignore all of them assuming it is caused by the source. logger.warning( "Ignoring special file error '%s' encountered copying %s to %s.", str(e), src, dest, ) def _copy_source_tree(source: str, target: str) -> None: target_abspath = os.path.abspath(target) target_basename = os.path.basename(target_abspath) target_dirname = os.path.dirname(target_abspath) def ignore(d: str, names: List[str]) -> List[str]: skipped: List[str] = [] if d == source: # Pulling in those directories can potentially be very slow, # exclude the following directories if they appear in the top # level dir (and only it). # See discussion at https://github.com/pypa/pip/pull/6770 skipped += [".tox", ".nox"] if os.path.abspath(d) == target_dirname: # Prevent an infinite recursion if the target is in source. # This can happen when TMPDIR is set to ${PWD}/... # and we copy PWD to TMPDIR. skipped += [target_basename] return skipped shutil.copytree( source, target, ignore=ignore, symlinks=True, copy_function=_copy2_ignoring_special_files, ) def get_file_url( link: Link, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None ) -> File: """Get file and optionally check its hash.""" # If a download dir is specified, is the file already there and valid? already_downloaded_path = None if download_dir: already_downloaded_path = _check_download_dir(link, download_dir, hashes) if already_downloaded_path: from_path = already_downloaded_path else: from_path = link.file_path # If --require-hashes is off, `hashes` is either empty, the # link's embedded hash, or MissingHashes; it is required to # match. If --require-hashes is on, we are satisfied by any # hash in `hashes` matching: a URL-based or an option-based # one; no internet-sourced hash will be in `hashes`. if hashes: hashes.check_against_path(from_path) return File(from_path, None) def unpack_url( link: Link, location: str, download: Downloader, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None, ) -> Optional[File]: """Unpack link into location, downloading if required. :param hashes: A Hashes object, one of whose embedded hashes must match, or HashMismatch will be raised. If the Hashes is empty, no matches are required, and unhashable types of requirements (like VCS ones, which would ordinarily raise HashUnsupported) are allowed. """ # non-editable vcs urls if link.is_vcs: unpack_vcs_link(link, location) return None # Once out-of-tree-builds are no longer supported, could potentially # replace the below condition with `assert not link.is_existing_dir` # - unpack_url does not need to be called for in-tree-builds. # # As further cleanup, _copy_source_tree and accompanying tests can # be removed. # # TODO when use-deprecated=out-of-tree-build is removed if link.is_existing_dir(): if os.path.isdir(location): rmtree(location) _copy_source_tree(link.file_path, location) return None # file urls if link.is_file: file = get_file_url(link, download_dir, hashes=hashes) # http urls else: file = get_http_url( link, download, download_dir, hashes=hashes, ) # unpack the archive to the build dir location. even when only downloading # archives, they have to be unpacked to parse dependencies, except wheels if not link.is_wheel: unpack_file(file.path, location, file.content_type) return file def _check_download_dir( link: Link, download_dir: str, hashes: Optional[Hashes] ) -> Optional[str]: """Check download_dir for previously downloaded file with correct hash If a correct file is found return its path else None """ download_path = os.path.join(download_dir, link.filename) if not os.path.exists(download_path): return None # If already downloaded, does its hash match? logger.info("File was already downloaded %s", download_path) if hashes: try: hashes.check_against_path(download_path) except HashMismatch: logger.warning( "Previously-downloaded file %s has bad hash. Re-downloading.", download_path, ) os.unlink(download_path) return None return download_path class RequirementPreparer: """Prepares a Requirement""" def __init__( self, build_dir: str, download_dir: Optional[str], src_dir: str, build_isolation: bool, req_tracker: RequirementTracker, session: PipSession, progress_bar: str, finder: PackageFinder, require_hashes: bool, use_user_site: bool, lazy_wheel: bool, in_tree_build: bool, ) -> None: super().__init__() self.src_dir = src_dir self.build_dir = build_dir self.req_tracker = req_tracker self._session = session self._download = Downloader(session, progress_bar) self._batch_download = BatchDownloader(session, progress_bar) self.finder = finder # Where still-packed archives should be written to. If None, they are # not saved, and are deleted immediately after unpacking. self.download_dir = download_dir # Is build isolation allowed? self.build_isolation = build_isolation # Should hash-checking be required? self.require_hashes = require_hashes # Should install in user site-packages? self.use_user_site = use_user_site # Should wheels be downloaded lazily? self.use_lazy_wheel = lazy_wheel # Should in-tree builds be used for local paths? self.in_tree_build = in_tree_build # Memoized downloaded files, as mapping of url: path. self._downloaded: Dict[str, str] = {} # Previous "header" printed for a link-based InstallRequirement self._previous_requirement_header = ("", "") def _log_preparing_link(self, req: InstallRequirement) -> None: """Provide context for the requirement being prepared.""" if req.link.is_file and not req.original_link_is_in_wheel_cache: message = "Processing %s" information = str(display_path(req.link.file_path)) else: message = "Collecting %s" information = str(req.req or req) if (message, information) != self._previous_requirement_header: self._previous_requirement_header = (message, information) logger.info(message, information) if req.original_link_is_in_wheel_cache: with indent_log(): logger.info("Using cached %s", req.link.filename) def _ensure_link_req_src_dir( self, req: InstallRequirement, parallel_builds: bool ) -> None: """Ensure source_dir of a linked InstallRequirement.""" # Since source_dir is only set for editable requirements. if req.link.is_wheel: # We don't need to unpack wheels, so no need for a source # directory. return assert req.source_dir is None if req.link.is_existing_dir() and self.in_tree_build: # build local directories in-tree req.source_dir = req.link.file_path return # We always delete unpacked sdists after pip runs. req.ensure_has_source_dir( self.build_dir, autodelete=True, parallel_builds=parallel_builds, ) # If a checkout exists, it's unwise to keep going. version # inconsistencies are logged later, but do not fail the # installation. # FIXME: this won't upgrade when there's an existing # package unpacked in `req.source_dir` # TODO: this check is now probably dead code if is_installable_dir(req.source_dir): raise PreviousBuildDirError( "pip can't proceed with requirements '{}' due to a" "pre-existing build directory ({}). This is likely " "due to a previous installation that failed . pip is " "being responsible and not assuming it can delete this. " "Please delete it and try again.".format(req, req.source_dir) ) def _get_linked_req_hashes(self, req: InstallRequirement) -> Hashes: # By the time this is called, the requirement's link should have # been checked so we can tell what kind of requirements req is # and raise some more informative errors than otherwise. # (For example, we can raise VcsHashUnsupported for a VCS URL # rather than HashMissing.) if not self.require_hashes: return req.hashes(trust_internet=True) # We could check these first 2 conditions inside unpack_url # and save repetition of conditions, but then we would # report less-useful error messages for unhashable # requirements, complaining that there's no hash provided. if req.link.is_vcs: raise VcsHashUnsupported() if req.link.is_existing_dir(): raise DirectoryUrlHashUnsupported() # Unpinned packages are asking for trouble when a new version # is uploaded. This isn't a security check, but it saves users # a surprising hash mismatch in the future. # file:/// URLs aren't pinnable, so don't complain about them # not being pinned. if req.original_link is None and not req.is_pinned: raise HashUnpinned() # If known-good hashes are missing for this requirement, # shim it with a facade object that will provoke hash # computation and then raise a HashMissing exception # showing the user what the hash should be. return req.hashes(trust_internet=False) or MissingHashes() def _fetch_metadata_using_lazy_wheel( self, link: Link, ) -> Optional[BaseDistribution]: """Fetch metadata using lazy wheel, if possible.""" if not self.use_lazy_wheel: return None if self.require_hashes: logger.debug("Lazy wheel is not used as hash checking is required") return None if link.is_file or not link.is_wheel: logger.debug( "Lazy wheel is not used as %r does not points to a remote wheel", link, ) return None wheel = Wheel(link.filename) name = canonicalize_name(wheel.name) logger.info( "Obtaining dependency information from %s %s", name, wheel.version, ) url = link.url.split("#", 1)[0] try: return dist_from_wheel_url(name, url, self._session) except HTTPRangeRequestUnsupported: logger.debug("%s does not support range requests", url) return None def _complete_partial_requirements( self, partially_downloaded_reqs: Iterable[InstallRequirement], parallel_builds: bool = False, ) -> None: """Download any requirements which were only fetched by metadata.""" # Download to a temporary directory. These will be copied over as # needed for downstream 'download', 'wheel', and 'install' commands. temp_dir = TempDirectory(kind="unpack", globally_managed=True).path # Map each link to the requirement that owns it. This allows us to set # `req.local_file_path` on the appropriate requirement after passing # all the links at once into BatchDownloader. links_to_fully_download: Dict[Link, InstallRequirement] = {} for req in partially_downloaded_reqs: assert req.link links_to_fully_download[req.link] = req batch_download = self._batch_download( links_to_fully_download.keys(), temp_dir, ) for link, (filepath, _) in batch_download: logger.debug("Downloading link %s to %s", link, filepath) req = links_to_fully_download[link] req.local_file_path = filepath # This step is necessary to ensure all lazy wheels are processed # successfully by the 'download', 'wheel', and 'install' commands. for req in partially_downloaded_reqs: self._prepare_linked_requirement(req, parallel_builds) def prepare_linked_requirement( self, req: InstallRequirement, parallel_builds: bool = False ) -> BaseDistribution: """Prepare a requirement to be obtained from req.link.""" assert req.link link = req.link self._log_preparing_link(req) with indent_log(): # Check if the relevant file is already available # in the download directory file_path = None if self.download_dir is not None and link.is_wheel: hashes = self._get_linked_req_hashes(req) file_path = _check_download_dir(req.link, self.download_dir, hashes) if file_path is not None: # The file is already available, so mark it as downloaded self._downloaded[req.link.url] = file_path else: # The file is not available, attempt to fetch only metadata wheel_dist = self._fetch_metadata_using_lazy_wheel(link) if wheel_dist is not None: req.needs_more_preparation = True return wheel_dist # None of the optimizations worked, fully prepare the requirement return self._prepare_linked_requirement(req, parallel_builds) def prepare_linked_requirements_more( self, reqs: Iterable[InstallRequirement], parallel_builds: bool = False ) -> None: """Prepare linked requirements more, if needed.""" reqs = [req for req in reqs if req.needs_more_preparation] for req in reqs: # Determine if any of these requirements were already downloaded. if self.download_dir is not None and req.link.is_wheel: hashes = self._get_linked_req_hashes(req) file_path = _check_download_dir(req.link, self.download_dir, hashes) if file_path is not None: self._downloaded[req.link.url] = file_path req.needs_more_preparation = False # Prepare requirements we found were already downloaded for some # reason. The other downloads will be completed separately. partially_downloaded_reqs: List[InstallRequirement] = [] for req in reqs: if req.needs_more_preparation: partially_downloaded_reqs.append(req) else: self._prepare_linked_requirement(req, parallel_builds) # TODO: separate this part out from RequirementPreparer when the v1 # resolver can be removed! self._complete_partial_requirements( partially_downloaded_reqs, parallel_builds=parallel_builds, ) def _prepare_linked_requirement( self, req: InstallRequirement, parallel_builds: bool ) -> BaseDistribution: assert req.link link = req.link self._ensure_link_req_src_dir(req, parallel_builds) hashes = self._get_linked_req_hashes(req) if link.is_existing_dir() and self.in_tree_build: local_file = None elif link.url not in self._downloaded: try: local_file = unpack_url( link, req.source_dir, self._download, self.download_dir, hashes ) except NetworkConnectionError as exc: raise InstallationError( "Could not install requirement {} because of HTTP " "error {} for URL {}".format(req, exc, link) ) else: file_path = self._downloaded[link.url] if hashes: hashes.check_against_path(file_path) local_file = File(file_path, content_type=None) # For use in later processing, # preserve the file path on the requirement. if local_file: req.local_file_path = local_file.path dist = _get_prepared_distribution( req, self.req_tracker, self.finder, self.build_isolation, ) return dist def save_linked_requirement(self, req: InstallRequirement) -> None: assert self.download_dir is not None assert req.link is not None link = req.link if link.is_vcs or (link.is_existing_dir() and req.editable): # Make a .zip of the source_dir we already created. req.archive(self.download_dir) return if link.is_existing_dir(): logger.debug( "Not copying link to destination directory " "since it is a directory: %s", link, ) return if req.local_file_path is None: # No distribution was downloaded for this requirement. return download_location = os.path.join(self.download_dir, link.filename) if not os.path.exists(download_location): shutil.copy(req.local_file_path, download_location) download_path = display_path(download_location) logger.info("Saved %s", download_path) def prepare_editable_requirement( self, req: InstallRequirement, ) -> BaseDistribution: """Prepare an editable requirement.""" assert req.editable, "cannot prepare a non-editable req as editable" logger.info("Obtaining %s", req) with indent_log(): if self.require_hashes: raise InstallationError( "The editable requirement {} cannot be installed when " "requiring hashes, because there is no single file to " "hash.".format(req) ) req.ensure_has_source_dir(self.src_dir) req.update_editable() dist = _get_prepared_distribution( req, self.req_tracker, self.finder, self.build_isolation, ) req.check_if_exists(self.use_user_site) return dist def prepare_installed_requirement( self, req: InstallRequirement, skip_reason: str, ) -> BaseDistribution: """Prepare an already-installed requirement.""" assert req.satisfied_by, "req should have been satisfied but isn't" assert skip_reason is not None, ( "did not get skip reason skipped but req.satisfied_by " "is set to {}".format(req.satisfied_by) ) logger.info( "Requirement %s: %s (%s)", skip_reason, req, req.satisfied_by.version ) with indent_log(): if self.require_hashes: logger.debug( "Since it is already installed, we are trusting this " "package without checking its hash. 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(to be called after having downloaded and unpacked the packages) """ to_install = collections.OrderedDict(_validate_requirements(requirements)) if to_install: logger.info( "Installing collected packages: %s", ", ".join(to_install.keys()), ) installed = [] with indent_log(): for req_name, requirement in to_install.items(): if requirement.should_reinstall: logger.info("Attempting uninstall: %s", req_name) with indent_log(): uninstalled_pathset = requirement.uninstall(auto_confirm=True) else: uninstalled_pathset = None try: requirement.install( install_options, global_options, root=root, home=home, prefix=prefix, warn_script_location=warn_script_location, use_user_site=use_user_site, pycompile=pycompile, ) except Exception: # if install did not succeed, rollback previous uninstall if uninstalled_pathset and not requirement.install_succeeded: uninstalled_pathset.rollback() raise else: if uninstalled_pathset and requirement.install_succeeded: uninstalled_pathset.commit() installed.append(InstallationResult(req_name)) return installed _internal/req/constructors.py 0000644 00000035665 15114542002 0012441 0 ustar 00 """Backing implementation for InstallRequirement's various constructors The idea here is that these formed a major chunk of InstallRequirement's size so, moving them and support code dedicated to them outside of that class helps creates for better understandability for the rest of the code. These are meant to be used elsewhere within pip to create instances of InstallRequirement. """ import logging import os import re from typing import Any, Dict, Optional, Set, Tuple, Union from pip._vendor.packaging.markers import Marker from pip._vendor.packaging.requirements import InvalidRequirement, Requirement from pip._vendor.packaging.specifiers import Specifier from pip._vendor.pkg_resources import RequirementParseError, parse_requirements from pip._internal.exceptions import InstallationError from pip._internal.models.index import PyPI, TestPyPI from pip._internal.models.link import Link from pip._internal.models.wheel import Wheel from pip._internal.req.req_file import ParsedRequirement from pip._internal.req.req_install import InstallRequirement from pip._internal.utils.filetypes import is_archive_file from pip._internal.utils.misc import is_installable_dir from pip._internal.utils.packaging import get_requirement from pip._internal.utils.urls import path_to_url from pip._internal.vcs import is_url, vcs __all__ = [ "install_req_from_editable", "install_req_from_line", "parse_editable", ] logger = logging.getLogger(__name__) operators = Specifier._operators.keys() def _strip_extras(path: str) -> Tuple[str, Optional[str]]: m = re.match(r"^(.+)(\[[^\]]+\])$", path) extras = None if m: path_no_extras = m.group(1) extras = m.group(2) else: path_no_extras = path return path_no_extras, extras def convert_extras(extras: Optional[str]) -> Set[str]: if not extras: return set() return get_requirement("placeholder" + extras.lower()).extras def parse_editable(editable_req: str) -> Tuple[Optional[str], str, Set[str]]: """Parses an editable requirement into: - a requirement name - an URL - extras - editable options Accepted requirements: svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir .[some_extra] """ url = editable_req # If a file path is specified with extras, strip off the extras. url_no_extras, extras = _strip_extras(url) if os.path.isdir(url_no_extras): # Treating it as code that has already been checked out url_no_extras = path_to_url(url_no_extras) if url_no_extras.lower().startswith("file:"): package_name = Link(url_no_extras).egg_fragment if extras: return ( package_name, url_no_extras, get_requirement("placeholder" + extras.lower()).extras, ) else: return package_name, url_no_extras, set() for version_control in vcs: if url.lower().startswith(f"{version_control}:"): url = f"{version_control}+{url}" break link = Link(url) if not link.is_vcs: backends = ", ".join(vcs.all_schemes) raise InstallationError( f"{editable_req} is not a valid editable requirement. " f"It should either be a path to a local project or a VCS URL " f"(beginning with {backends})." ) package_name = link.egg_fragment if not package_name: raise InstallationError( "Could not detect requirement name for '{}', please specify one " "with #egg=your_package_name".format(editable_req) ) return package_name, url, set() def deduce_helpful_msg(req: str) -> str: """Returns helpful msg in case requirements file does not exist, or cannot be parsed. :params req: Requirements file path """ msg = "" if os.path.exists(req): msg = " The path does exist. " # Try to parse and check if it is a requirements file. try: with open(req) as fp: # parse first line only next(parse_requirements(fp.read())) msg += ( "The argument you provided " "({}) appears to be a" " requirements file. If that is the" " case, use the '-r' flag to install" " the packages specified within it." ).format(req) except RequirementParseError: logger.debug("Cannot parse '%s' as requirements file", req, exc_info=True) else: msg += f" File '{req}' does not exist." return msg class RequirementParts: def __init__( self, requirement: Optional[Requirement], link: Optional[Link], markers: Optional[Marker], extras: Set[str], ): self.requirement = requirement self.link = link self.markers = markers self.extras = extras def parse_req_from_editable(editable_req: str) -> RequirementParts: name, url, extras_override = parse_editable(editable_req) if name is not None: try: req: Optional[Requirement] = Requirement(name) except InvalidRequirement: raise InstallationError(f"Invalid requirement: '{name}'") else: req = None link = Link(url) return RequirementParts(req, link, None, extras_override) # ---- The actual constructors follow ---- def install_req_from_editable( editable_req: str, comes_from: Optional[Union[InstallRequirement, str]] = None, use_pep517: Optional[bool] = None, isolated: bool = False, options: Optional[Dict[str, Any]] = None, constraint: bool = False, user_supplied: bool = False, permit_editable_wheels: bool = False, ) -> InstallRequirement: parts = parse_req_from_editable(editable_req) return InstallRequirement( parts.requirement, comes_from=comes_from, user_supplied=user_supplied, editable=True, permit_editable_wheels=permit_editable_wheels, link=parts.link, constraint=constraint, use_pep517=use_pep517, isolated=isolated, install_options=options.get("install_options", []) if options else [], global_options=options.get("global_options", []) if options else [], hash_options=options.get("hashes", {}) if options else {}, extras=parts.extras, ) def _looks_like_path(name: str) -> bool: """Checks whether the string "looks like" a path on the filesystem. This does not check whether the target actually exists, only judge from the appearance. Returns true if any of the following conditions is true: * a path separator is found (either os.path.sep or os.path.altsep); * a dot is found (which represents the current directory). """ if os.path.sep in name: return True if os.path.altsep is not None and os.path.altsep in name: return True if name.startswith("."): return True return False def _get_url_from_path(path: str, name: str) -> Optional[str]: """ First, it checks whether a provided path is an installable directory. If it is, returns the path. If false, check if the path is an archive file (such as a .whl). The function checks if the path is a file. If false, if the path has an @, it will treat it as a PEP 440 URL requirement and return the path. """ if _looks_like_path(name) and os.path.isdir(path): if is_installable_dir(path): return path_to_url(path) # TODO: The is_installable_dir test here might not be necessary # now that it is done in load_pyproject_toml too. raise InstallationError( f"Directory {name!r} is not installable. Neither 'setup.py' " "nor 'pyproject.toml' found." ) if not is_archive_file(path): return None if os.path.isfile(path): return path_to_url(path) urlreq_parts = name.split("@", 1) if len(urlreq_parts) >= 2 and not _looks_like_path(urlreq_parts[0]): # If the path contains '@' and the part before it does not look # like a path, try to treat it as a PEP 440 URL req instead. return None logger.warning( "Requirement %r looks like a filename, but the file does not exist", name, ) return path_to_url(path) def parse_req_from_line(name: str, line_source: Optional[str]) -> RequirementParts: if is_url(name): marker_sep = "; " else: marker_sep = ";" if marker_sep in name: name, markers_as_string = name.split(marker_sep, 1) markers_as_string = markers_as_string.strip() if not markers_as_string: markers = None else: markers = Marker(markers_as_string) else: markers = None name = name.strip() req_as_string = None path = os.path.normpath(os.path.abspath(name)) link = None extras_as_string = None if is_url(name): link = Link(name) else: p, extras_as_string = _strip_extras(path) url = _get_url_from_path(p, name) if url is not None: link = Link(url) # it's a local file, dir, or url if link: # Handle relative file URLs if link.scheme == "file" and re.search(r"\.\./", link.url): link = Link(path_to_url(os.path.normpath(os.path.abspath(link.path)))) # wheel file if link.is_wheel: wheel = Wheel(link.filename) # can raise InvalidWheelFilename req_as_string = f"{wheel.name}=={wheel.version}" else: # set the req to the egg fragment. when it's not there, this # will become an 'unnamed' requirement req_as_string = link.egg_fragment # a requirement specifier else: req_as_string = name extras = convert_extras(extras_as_string) def with_source(text: str) -> str: if not line_source: return text return f"{text} (from {line_source})" def _parse_req_string(req_as_string: str) -> Requirement: try: req = get_requirement(req_as_string) except InvalidRequirement: if os.path.sep in req_as_string: add_msg = "It looks like a path." add_msg += deduce_helpful_msg(req_as_string) elif "=" in req_as_string and not any( op in req_as_string for op in operators ): add_msg = "= is not a valid operator. Did you mean == ?" else: add_msg = "" msg = with_source(f"Invalid requirement: {req_as_string!r}") if add_msg: msg += f"\nHint: {add_msg}" raise InstallationError(msg) else: # Deprecate extras after specifiers: "name>=1.0[extras]" # This currently works by accident because _strip_extras() parses # any extras in the end of the string and those are saved in # RequirementParts for spec in req.specifier: spec_str = str(spec) if spec_str.endswith("]"): msg = f"Extras after version '{spec_str}'." raise InstallationError(msg) return req if req_as_string is not None: req: Optional[Requirement] = _parse_req_string(req_as_string) else: req = None return RequirementParts(req, link, markers, extras) def install_req_from_line( name: str, comes_from: Optional[Union[str, InstallRequirement]] = None, use_pep517: Optional[bool] = None, isolated: bool = False, options: Optional[Dict[str, Any]] = None, constraint: bool = False, line_source: Optional[str] = None, user_supplied: bool = False, ) -> InstallRequirement: """Creates an InstallRequirement from a name, which might be a requirement, directory containing 'setup.py', filename, or URL. :param line_source: An optional string describing where the line is from, for logging purposes in case of an error. """ parts = parse_req_from_line(name, line_source) return InstallRequirement( parts.requirement, comes_from, link=parts.link, markers=parts.markers, use_pep517=use_pep517, isolated=isolated, install_options=options.get("install_options", []) if options else [], global_options=options.get("global_options", []) if options else [], hash_options=options.get("hashes", {}) if options else {}, constraint=constraint, extras=parts.extras, user_supplied=user_supplied, ) def install_req_from_req_string( req_string: str, comes_from: Optional[InstallRequirement] = None, isolated: bool = False, use_pep517: Optional[bool] = None, user_supplied: bool = False, ) -> InstallRequirement: try: req = get_requirement(req_string) except InvalidRequirement: raise InstallationError(f"Invalid requirement: '{req_string}'") domains_not_allowed = [ PyPI.file_storage_domain, TestPyPI.file_storage_domain, ] if ( req.url and comes_from and comes_from.link and comes_from.link.netloc in domains_not_allowed ): # Explicitly disallow pypi packages that depend on external urls raise InstallationError( "Packages installed from PyPI cannot depend on packages " "which are not also hosted on PyPI.\n" "{} depends on {} ".format(comes_from.name, req) ) return InstallRequirement( req, comes_from, isolated=isolated, use_pep517=use_pep517, user_supplied=user_supplied, ) def install_req_from_parsed_requirement( parsed_req: ParsedRequirement, isolated: bool = False, use_pep517: Optional[bool] = None, user_supplied: bool = False, ) -> InstallRequirement: if parsed_req.is_editable: req = install_req_from_editable( parsed_req.requirement, comes_from=parsed_req.comes_from, use_pep517=use_pep517, constraint=parsed_req.constraint, isolated=isolated, user_supplied=user_supplied, ) else: req = install_req_from_line( parsed_req.requirement, comes_from=parsed_req.comes_from, use_pep517=use_pep517, isolated=isolated, options=parsed_req.options, constraint=parsed_req.constraint, line_source=parsed_req.line_source, user_supplied=user_supplied, ) return req def install_req_from_link_and_ireq( link: Link, ireq: InstallRequirement ) -> InstallRequirement: return InstallRequirement( req=ireq.req, comes_from=ireq.comes_from, editable=ireq.editable, link=link, markers=ireq.markers, use_pep517=ireq.use_pep517, isolated=ireq.isolated, install_options=ireq.install_options, global_options=ireq.global_options, hash_options=ireq.hash_options, ) _internal/req/req_file.py 0000644 00000042015 15114542002 0011442 0 ustar 00 """ Requirements file parsing """ import optparse import os import re import shlex import urllib.parse from optparse import Values from typing import ( TYPE_CHECKING, Any, Callable, Dict, Iterable, Iterator, List, Optional, Tuple, ) from pip._internal.cli import cmdoptions from pip._internal.exceptions import InstallationError, RequirementsFileParseError from pip._internal.models.search_scope import SearchScope from pip._internal.network.session import PipSession from pip._internal.network.utils import raise_for_status from pip._internal.utils.encoding import auto_decode from pip._internal.utils.urls import get_url_scheme if TYPE_CHECKING: # NoReturn introduced in 3.6.2; imported only for type checking to maintain # pip compatibility with older patch versions of Python 3.6 from typing import NoReturn from pip._internal.index.package_finder import PackageFinder __all__ = ["parse_requirements"] ReqFileLines = Iterable[Tuple[int, str]] LineParser = Callable[[str], Tuple[str, Values]] SCHEME_RE = re.compile(r"^(http|https|file):", re.I) COMMENT_RE = re.compile(r"(^|\s+)#.*$") # Matches environment variable-style values in '${MY_VARIABLE_1}' with the # variable name consisting of only uppercase letters, digits or the '_' # (underscore). This follows the POSIX standard defined in IEEE Std 1003.1, # 2013 Edition. ENV_VAR_RE = re.compile(r"(?P<var>\$\{(?P<name>[A-Z0-9_]+)\})") SUPPORTED_OPTIONS: List[Callable[..., optparse.Option]] = [ cmdoptions.index_url, cmdoptions.extra_index_url, cmdoptions.no_index, cmdoptions.constraints, cmdoptions.requirements, cmdoptions.editable, cmdoptions.find_links, cmdoptions.no_binary, cmdoptions.only_binary, cmdoptions.prefer_binary, cmdoptions.require_hashes, cmdoptions.pre, cmdoptions.trusted_host, cmdoptions.use_new_feature, ] # options to be passed to requirements SUPPORTED_OPTIONS_REQ: List[Callable[..., optparse.Option]] = [ cmdoptions.install_options, cmdoptions.global_options, cmdoptions.hash, ] # the 'dest' string values SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ] class ParsedRequirement: def __init__( self, requirement: str, is_editable: bool, comes_from: str, constraint: bool, options: Optional[Dict[str, Any]] = None, line_source: Optional[str] = None, ) -> None: self.requirement = requirement self.is_editable = is_editable self.comes_from = comes_from self.options = options self.constraint = constraint self.line_source = line_source class ParsedLine: def __init__( self, filename: str, lineno: int, args: str, opts: Values, constraint: bool, ) -> None: self.filename = filename self.lineno = lineno self.opts = opts self.constraint = constraint if args: self.is_requirement = True self.is_editable = False self.requirement = args elif opts.editables: self.is_requirement = True self.is_editable = True # We don't support multiple -e on one line self.requirement = opts.editables[0] else: self.is_requirement = False def parse_requirements( filename: str, session: PipSession, finder: Optional["PackageFinder"] = None, options: Optional[optparse.Values] = None, constraint: bool = False, ) -> Iterator[ParsedRequirement]: """Parse a requirements file and yield ParsedRequirement instances. :param filename: Path or url of requirements file. :param session: PipSession instance. :param finder: Instance of pip.index.PackageFinder. :param options: cli options. :param constraint: If true, parsing a constraint file rather than requirements file. """ line_parser = get_line_parser(finder) parser = RequirementsFileParser(session, line_parser) for parsed_line in parser.parse(filename, constraint): parsed_req = handle_line( parsed_line, options=options, finder=finder, session=session ) if parsed_req is not None: yield parsed_req def preprocess(content: str) -> ReqFileLines: """Split, filter, and join lines, and return a line iterator :param content: the content of the requirements file """ lines_enum: ReqFileLines = enumerate(content.splitlines(), start=1) lines_enum = join_lines(lines_enum) lines_enum = ignore_comments(lines_enum) lines_enum = expand_env_variables(lines_enum) return lines_enum def handle_requirement_line( line: ParsedLine, options: Optional[optparse.Values] = None, ) -> ParsedRequirement: # preserve for the nested code path line_comes_from = "{} {} (line {})".format( "-c" if line.constraint else "-r", line.filename, line.lineno, ) assert line.is_requirement if line.is_editable: # For editable requirements, we don't support per-requirement # options, so just return the parsed requirement. return ParsedRequirement( requirement=line.requirement, is_editable=line.is_editable, comes_from=line_comes_from, constraint=line.constraint, ) else: if options: # Disable wheels if the user has specified build options cmdoptions.check_install_build_global(options, line.opts) # get the options that apply to requirements req_options = {} for dest in SUPPORTED_OPTIONS_REQ_DEST: if dest in line.opts.__dict__ and line.opts.__dict__[dest]: req_options[dest] = line.opts.__dict__[dest] line_source = f"line {line.lineno} of {line.filename}" return ParsedRequirement( requirement=line.requirement, is_editable=line.is_editable, comes_from=line_comes_from, constraint=line.constraint, options=req_options, line_source=line_source, ) def handle_option_line( opts: Values, filename: str, lineno: int, finder: Optional["PackageFinder"] = None, options: Optional[optparse.Values] = None, session: Optional[PipSession] = None, ) -> None: if options: # percolate options upward if opts.require_hashes: options.require_hashes = opts.require_hashes if opts.features_enabled: options.features_enabled.extend( f for f in opts.features_enabled if f not in options.features_enabled ) # set finder options if finder: find_links = finder.find_links index_urls = finder.index_urls if opts.index_url: index_urls = [opts.index_url] if opts.no_index is True: index_urls = [] if opts.extra_index_urls: index_urls.extend(opts.extra_index_urls) if opts.find_links: # FIXME: it would be nice to keep track of the source # of the find_links: support a find-links local path # relative to a requirements file. value = opts.find_links[0] req_dir = os.path.dirname(os.path.abspath(filename)) relative_to_reqs_file = os.path.join(req_dir, value) if os.path.exists(relative_to_reqs_file): value = relative_to_reqs_file find_links.append(value) if session: # We need to update the auth urls in session session.update_index_urls(index_urls) search_scope = SearchScope( find_links=find_links, index_urls=index_urls, ) finder.search_scope = search_scope if opts.pre: finder.set_allow_all_prereleases() if opts.prefer_binary: finder.set_prefer_binary() if session: for host in opts.trusted_hosts or []: source = f"line {lineno} of {filename}" session.add_trusted_host(host, source=source) def handle_line( line: ParsedLine, options: Optional[optparse.Values] = None, finder: Optional["PackageFinder"] = None, session: Optional[PipSession] = None, ) -> Optional[ParsedRequirement]: """Handle a single parsed requirements line; This can result in creating/yielding requirements, or updating the finder. :param line: The parsed line to be processed. :param options: CLI options. :param finder: The finder - updated by non-requirement lines. :param session: The session - updated by non-requirement lines. Returns a ParsedRequirement object if the line is a requirement line, otherwise returns None. For lines that contain requirements, the only options that have an effect are from SUPPORTED_OPTIONS_REQ, and they are scoped to the requirement. Other options from SUPPORTED_OPTIONS may be present, but are ignored. For lines that do not contain requirements, the only options that have an effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may be present, but are ignored. These lines may contain multiple options (although our docs imply only one is supported), and all our parsed and affect the finder. """ if line.is_requirement: parsed_req = handle_requirement_line(line, options) return parsed_req else: handle_option_line( line.opts, line.filename, line.lineno, finder, options, session, ) return None class RequirementsFileParser: def __init__( self, session: PipSession, line_parser: LineParser, ) -> None: self._session = session self._line_parser = line_parser def parse(self, filename: str, constraint: bool) -> Iterator[ParsedLine]: """Parse a given file, yielding parsed lines.""" yield from self._parse_and_recurse(filename, constraint) def _parse_and_recurse( self, filename: str, constraint: bool ) -> Iterator[ParsedLine]: for line in self._parse_file(filename, constraint): if not line.is_requirement and ( line.opts.requirements or line.opts.constraints ): # parse a nested requirements file if line.opts.requirements: req_path = line.opts.requirements[0] nested_constraint = False else: req_path = line.opts.constraints[0] nested_constraint = True # original file is over http if SCHEME_RE.search(filename): # do a url join so relative paths work req_path = urllib.parse.urljoin(filename, req_path) # original file and nested file are paths elif not SCHEME_RE.search(req_path): # do a join so relative paths work req_path = os.path.join( os.path.dirname(filename), req_path, ) yield from self._parse_and_recurse(req_path, nested_constraint) else: yield line def _parse_file(self, filename: str, constraint: bool) -> Iterator[ParsedLine]: _, content = get_file_content(filename, self._session) lines_enum = preprocess(content) for line_number, line in lines_enum: try: args_str, opts = self._line_parser(line) except OptionParsingError as e: # add offending line msg = f"Invalid requirement: {line}\n{e.msg}" raise RequirementsFileParseError(msg) yield ParsedLine( filename, line_number, args_str, opts, constraint, ) def get_line_parser(finder: Optional["PackageFinder"]) -> LineParser: def parse_line(line: str) -> Tuple[str, Values]: # Build new parser for each line since it accumulates appendable # options. parser = build_parser() defaults = parser.get_default_values() defaults.index_url = None if finder: defaults.format_control = finder.format_control args_str, options_str = break_args_options(line) opts, _ = parser.parse_args(shlex.split(options_str), defaults) return args_str, opts return parse_line def break_args_options(line: str) -> Tuple[str, str]: """Break up the line into an args and options string. We only want to shlex (and then optparse) the options, not the args. args can contain markers which are corrupted by shlex. """ tokens = line.split(" ") args = [] options = tokens[:] for token in tokens: if token.startswith("-") or token.startswith("--"): break else: args.append(token) options.pop(0) return " ".join(args), " ".join(options) class OptionParsingError(Exception): def __init__(self, msg: str) -> None: self.msg = msg def build_parser() -> optparse.OptionParser: """ Return a parser for parsing requirement lines """ parser = optparse.OptionParser(add_help_option=False) option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ for option_factory in option_factories: option = option_factory() parser.add_option(option) # By default optparse sys.exits on parsing errors. We want to wrap # that in our own exception. def parser_exit(self: Any, msg: str) -> "NoReturn": raise OptionParsingError(msg) # NOTE: mypy disallows assigning to a method # https://github.com/python/mypy/issues/2427 parser.exit = parser_exit # type: ignore return parser def join_lines(lines_enum: ReqFileLines) -> ReqFileLines: """Joins a line ending in '\' with the previous line (except when following comments). The joined line takes on the index of the first line. """ primary_line_number = None new_line: List[str] = [] for line_number, line in lines_enum: if not line.endswith("\\") or COMMENT_RE.match(line): if COMMENT_RE.match(line): # this ensures comments are always matched later line = " " + line if new_line: new_line.append(line) assert primary_line_number is not None yield primary_line_number, "".join(new_line) new_line = [] else: yield line_number, line else: if not new_line: primary_line_number = line_number new_line.append(line.strip("\\")) # last line contains \ if new_line: assert primary_line_number is not None yield primary_line_number, "".join(new_line) # TODO: handle space after '\'. def ignore_comments(lines_enum: ReqFileLines) -> ReqFileLines: """ Strips comments and filter empty lines. """ for line_number, line in lines_enum: line = COMMENT_RE.sub("", line) line = line.strip() if line: yield line_number, line def expand_env_variables(lines_enum: ReqFileLines) -> ReqFileLines: """Replace all environment variables that can be retrieved via `os.getenv`. The only allowed format for environment variables defined in the requirement file is `${MY_VARIABLE_1}` to ensure two things: 1. Strings that contain a `$` aren't accidentally (partially) expanded. 2. Ensure consistency across platforms for requirement files. These points are the result of a discussion on the `github pull request #3514 <https://github.com/pypa/pip/pull/3514>`_. Valid characters in variable names follow the `POSIX standard <http://pubs.opengroup.org/onlinepubs/9699919799/>`_ and are limited to uppercase letter, digits and the `_` (underscore). """ for line_number, line in lines_enum: for env_var, var_name in ENV_VAR_RE.findall(line): value = os.getenv(var_name) if not value: continue line = line.replace(env_var, value) yield line_number, line def get_file_content(url: str, session: PipSession) -> Tuple[str, str]: """Gets the content of a file; it may be a filename, file: URL, or http: URL. Returns (location, content). Content is unicode. Respects # -*- coding: declarations on the retrieved files. :param url: File path or url. :param session: PipSession instance. """ scheme = get_url_scheme(url) # Pip has special support for file:// URLs (LocalFSAdapter). if scheme in ["http", "https", "file"]: resp = session.get(url) raise_for_status(resp) return resp.url, resp.text # Assume this is a bare path. try: with open(url, "rb") as f: content = auto_decode(f.read()) except OSError as exc: raise InstallationError(f"Could not open requirements file: {exc}") return url, content _internal/req/req_install.py 0000644 00000102112 15114542002 0012164 0 ustar 00 # The following comment should be removed at some point in the future. # mypy: strict-optional=False import functools import logging import os import shutil import sys import uuid import zipfile from typing import Any, Collection, Dict, Iterable, List, Optional, Sequence, Union from pip._vendor import pkg_resources from pip._vendor.packaging.markers import Marker from pip._vendor.packaging.requirements import Requirement from pip._vendor.packaging.specifiers import SpecifierSet from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.packaging.version import Version from pip._vendor.packaging.version import parse as parse_version from pip._vendor.pep517.wrappers import Pep517HookCaller from pip._vendor.pkg_resources import Distribution from pip._internal.build_env import BuildEnvironment, NoOpBuildEnvironment from pip._internal.exceptions import InstallationError from pip._internal.locations import get_scheme from pip._internal.models.link import Link from pip._internal.operations.build.metadata import generate_metadata from pip._internal.operations.build.metadata_editable import generate_editable_metadata from pip._internal.operations.build.metadata_legacy import ( generate_metadata as generate_metadata_legacy, ) from pip._internal.operations.install.editable_legacy import ( install_editable as install_editable_legacy, ) from pip._internal.operations.install.legacy import LegacyInstallFailure from pip._internal.operations.install.legacy import install as install_legacy from pip._internal.operations.install.wheel import install_wheel from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path from pip._internal.req.req_uninstall import UninstallPathSet from pip._internal.utils.deprecation import deprecated from pip._internal.utils.direct_url_helpers import ( direct_url_for_editable, direct_url_from_link, ) from pip._internal.utils.hashes import Hashes from pip._internal.utils.misc import ( ask_path_exists, backup_dir, display_path, dist_in_install_path, dist_in_site_packages, dist_in_usersite, get_distribution, hide_url, redact_auth_from_url, ) from pip._internal.utils.packaging import get_metadata from pip._internal.utils.subprocess import runner_with_spinner_message from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds from pip._internal.utils.virtualenv import running_under_virtualenv from pip._internal.vcs import vcs logger = logging.getLogger(__name__) def _get_dist(metadata_directory: str) -> Distribution: """Return a pkg_resources.Distribution for the provided metadata directory. """ dist_dir = metadata_directory.rstrip(os.sep) # Build a PathMetadata object, from path to metadata. :wink: base_dir, dist_dir_name = os.path.split(dist_dir) metadata = pkg_resources.PathMetadata(base_dir, dist_dir) # Determine the correct Distribution object type. if dist_dir.endswith(".egg-info"): dist_cls = pkg_resources.Distribution dist_name = os.path.splitext(dist_dir_name)[0] else: assert dist_dir.endswith(".dist-info") dist_cls = pkg_resources.DistInfoDistribution dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0] return dist_cls( base_dir, project_name=dist_name, metadata=metadata, ) class InstallRequirement: """ Represents something that may be installed later on, may have information about where to fetch the relevant requirement and also contains logic for installing the said requirement. """ def __init__( self, req: Optional[Requirement], comes_from: Optional[Union[str, "InstallRequirement"]], editable: bool = False, link: Optional[Link] = None, markers: Optional[Marker] = None, use_pep517: Optional[bool] = None, isolated: bool = False, install_options: Optional[List[str]] = None, global_options: Optional[List[str]] = None, hash_options: Optional[Dict[str, List[str]]] = None, constraint: bool = False, extras: Collection[str] = (), user_supplied: bool = False, permit_editable_wheels: bool = False, ) -> None: assert req is None or isinstance(req, Requirement), req self.req = req self.comes_from = comes_from self.constraint = constraint self.editable = editable self.permit_editable_wheels = permit_editable_wheels self.legacy_install_reason: Optional[int] = None # source_dir is the local directory where the linked requirement is # located, or unpacked. In case unpacking is needed, creating and # populating source_dir is done by the RequirementPreparer. Note this # is not necessarily the directory where pyproject.toml or setup.py is # located - that one is obtained via unpacked_source_directory. self.source_dir: Optional[str] = None if self.editable: assert link if link.is_file: self.source_dir = os.path.normpath(os.path.abspath(link.file_path)) if link is None and req and req.url: # PEP 508 URL requirement link = Link(req.url) self.link = self.original_link = link self.original_link_is_in_wheel_cache = False # Path to any downloaded or already-existing package. self.local_file_path: Optional[str] = None if self.link and self.link.is_file: self.local_file_path = self.link.file_path if extras: self.extras = extras elif req: self.extras = {pkg_resources.safe_extra(extra) for extra in req.extras} else: self.extras = set() if markers is None and req: markers = req.marker self.markers = markers # This holds the pkg_resources.Distribution object if this requirement # is already available: self.satisfied_by: Optional[Distribution] = None # Whether the installation process should try to uninstall an existing # distribution before installing this requirement. self.should_reinstall = False # Temporary build location self._temp_build_dir: Optional[TempDirectory] = None # Set to True after successful installation self.install_succeeded: Optional[bool] = None # Supplied options self.install_options = install_options if install_options else [] self.global_options = global_options if global_options else [] self.hash_options = hash_options if hash_options else {} # Set to True after successful preparation of this requirement self.prepared = False # User supplied requirement are explicitly requested for installation # by the user via CLI arguments or requirements files, as opposed to, # e.g. dependencies, extras or constraints. self.user_supplied = user_supplied self.isolated = isolated self.build_env: BuildEnvironment = NoOpBuildEnvironment() # For PEP 517, the directory where we request the project metadata # gets stored. We need this to pass to build_wheel, so the backend # can ensure that the wheel matches the metadata (see the PEP for # details). self.metadata_directory: Optional[str] = None # The static build requirements (from pyproject.toml) self.pyproject_requires: Optional[List[str]] = None # Build requirements that we will check are available self.requirements_to_check: List[str] = [] # The PEP 517 backend we should use to build the project self.pep517_backend: Optional[Pep517HookCaller] = None # Are we using PEP 517 for this requirement? # After pyproject.toml has been loaded, the only valid values are True # and False. Before loading, None is valid (meaning "use the default"). # Setting an explicit value before loading pyproject.toml is supported, # but after loading this flag should be treated as read only. self.use_pep517 = use_pep517 # This requirement needs more preparation before it can be built self.needs_more_preparation = False def __str__(self) -> str: if self.req: s = str(self.req) if self.link: s += " from {}".format(redact_auth_from_url(self.link.url)) elif self.link: s = redact_auth_from_url(self.link.url) else: s = "<InstallRequirement>" if self.satisfied_by is not None: s += " in {}".format(display_path(self.satisfied_by.location)) if self.comes_from: if isinstance(self.comes_from, str): comes_from: Optional[str] = self.comes_from else: comes_from = self.comes_from.from_path() if comes_from: s += f" (from {comes_from})" return s def __repr__(self) -> str: return "<{} object: {} editable={!r}>".format( self.__class__.__name__, str(self), self.editable ) def format_debug(self) -> str: """An un-tested helper for getting state, for debugging.""" attributes = vars(self) names = sorted(attributes) state = ("{}={!r}".format(attr, attributes[attr]) for attr in sorted(names)) return "<{name} object: {{{state}}}>".format( name=self.__class__.__name__, state=", ".join(state), ) # Things that are valid for all kinds of requirements? @property def name(self) -> Optional[str]: if self.req is None: return None return pkg_resources.safe_name(self.req.name) @functools.lru_cache() # use cached_property in python 3.8+ def supports_pyproject_editable(self) -> bool: if not self.use_pep517: return False assert self.pep517_backend with self.build_env: runner = runner_with_spinner_message( "Checking if build backend supports build_editable" ) with self.pep517_backend.subprocess_runner(runner): return "build_editable" in self.pep517_backend._supported_features() @property def specifier(self) -> SpecifierSet: return self.req.specifier @property def is_pinned(self) -> bool: """Return whether I am pinned to an exact version. For example, some-package==1.2 is pinned; some-package>1.2 is not. """ specifiers = self.specifier return len(specifiers) == 1 and next(iter(specifiers)).operator in {"==", "==="} def match_markers(self, extras_requested: Optional[Iterable[str]] = None) -> bool: if not extras_requested: # Provide an extra to safely evaluate the markers # without matching any extra extras_requested = ("",) if self.markers is not None: return any( self.markers.evaluate({"extra": extra}) for extra in extras_requested ) else: return True @property def has_hash_options(self) -> bool: """Return whether any known-good hashes are specified as options. These activate --require-hashes mode; hashes specified as part of a URL do not. """ return bool(self.hash_options) def hashes(self, trust_internet: bool = True) -> Hashes: """Return a hash-comparer that considers my option- and URL-based hashes to be known-good. Hashes in URLs--ones embedded in the requirements file, not ones downloaded from an index server--are almost peers with ones from flags. They satisfy --require-hashes (whether it was implicitly or explicitly activated) but do not activate it. md5 and sha224 are not allowed in flags, which should nudge people toward good algos. We always OR all hashes together, even ones from URLs. :param trust_internet: Whether to trust URL-based (#md5=...) hashes downloaded from the internet, as by populate_link() """ good_hashes = self.hash_options.copy() link = self.link if trust_internet else self.original_link if link and link.hash: good_hashes.setdefault(link.hash_name, []).append(link.hash) return Hashes(good_hashes) def from_path(self) -> Optional[str]: """Format a nice indicator to show where this "comes from" """ if self.req is None: return None s = str(self.req) if self.comes_from: if isinstance(self.comes_from, str): comes_from = self.comes_from else: comes_from = self.comes_from.from_path() if comes_from: s += "->" + comes_from return s def ensure_build_location( self, build_dir: str, autodelete: bool, parallel_builds: bool ) -> str: assert build_dir is not None if self._temp_build_dir is not None: assert self._temp_build_dir.path return self._temp_build_dir.path if self.req is None: # Some systems have /tmp as a symlink which confuses custom # builds (such as numpy). Thus, we ensure that the real path # is returned. self._temp_build_dir = TempDirectory( kind=tempdir_kinds.REQ_BUILD, globally_managed=True ) return self._temp_build_dir.path # This is the only remaining place where we manually determine the path # for the temporary directory. It is only needed for editables where # it is the value of the --src option. # When parallel builds are enabled, add a UUID to the build directory # name so multiple builds do not interfere with each other. dir_name: str = canonicalize_name(self.name) if parallel_builds: dir_name = f"{dir_name}_{uuid.uuid4().hex}" # FIXME: Is there a better place to create the build_dir? (hg and bzr # need this) if not os.path.exists(build_dir): logger.debug("Creating directory %s", build_dir) os.makedirs(build_dir) actual_build_dir = os.path.join(build_dir, dir_name) # `None` indicates that we respect the globally-configured deletion # settings, which is what we actually want when auto-deleting. delete_arg = None if autodelete else False return TempDirectory( path=actual_build_dir, delete=delete_arg, kind=tempdir_kinds.REQ_BUILD, globally_managed=True, ).path def _set_requirement(self) -> None: """Set requirement after generating metadata.""" assert self.req is None assert self.metadata is not None assert self.source_dir is not None # Construct a Requirement object from the generated metadata if isinstance(parse_version(self.metadata["Version"]), Version): op = "==" else: op = "===" self.req = Requirement( "".join( [ self.metadata["Name"], op, self.metadata["Version"], ] ) ) def warn_on_mismatching_name(self) -> None: metadata_name = canonicalize_name(self.metadata["Name"]) if canonicalize_name(self.req.name) == metadata_name: # Everything is fine. return # If we're here, there's a mismatch. Log a warning about it. logger.warning( "Generating metadata for package %s " "produced metadata for project name %s. Fix your " "#egg=%s fragments.", self.name, metadata_name, self.name, ) self.req = Requirement(metadata_name) def check_if_exists(self, use_user_site: bool) -> None: """Find an installed distribution that satisfies or conflicts with this requirement, and set self.satisfied_by or self.should_reinstall appropriately. """ if self.req is None: return existing_dist = get_distribution(self.req.name) if not existing_dist: return # pkg_resouces may contain a different copy of packaging.version from # pip in if the downstream distributor does a poor job debundling pip. # We avoid existing_dist.parsed_version and let SpecifierSet.contains # parses the version instead. existing_version = existing_dist.version version_compatible = ( existing_version is not None and self.req.specifier.contains(existing_version, prereleases=True) ) if not version_compatible: self.satisfied_by = None if use_user_site: if dist_in_usersite(existing_dist): self.should_reinstall = True elif running_under_virtualenv() and dist_in_site_packages( existing_dist ): raise InstallationError( "Will not install to the user site because it will " "lack sys.path precedence to {} in {}".format( existing_dist.project_name, existing_dist.location ) ) elif dist_in_install_path(existing_dist): self.should_reinstall = True else: if self.editable: self.should_reinstall = True # when installing editables, nothing pre-existing should ever # satisfy self.satisfied_by = None else: self.satisfied_by = existing_dist # Things valid for wheels @property def is_wheel(self) -> bool: if not self.link: return False return self.link.is_wheel # Things valid for sdists @property def unpacked_source_directory(self) -> str: return os.path.join( self.source_dir, self.link and self.link.subdirectory_fragment or "" ) @property def setup_py_path(self) -> str: assert self.source_dir, f"No source dir for {self}" setup_py = os.path.join(self.unpacked_source_directory, "setup.py") return setup_py @property def setup_cfg_path(self) -> str: assert self.source_dir, f"No source dir for {self}" setup_cfg = os.path.join(self.unpacked_source_directory, "setup.cfg") return setup_cfg @property def pyproject_toml_path(self) -> str: assert self.source_dir, f"No source dir for {self}" return make_pyproject_path(self.unpacked_source_directory) def load_pyproject_toml(self) -> None: """Load the pyproject.toml file. After calling this routine, all of the attributes related to PEP 517 processing for this requirement have been set. In particular, the use_pep517 attribute can be used to determine whether we should follow the PEP 517 or legacy (setup.py) code path. """ pyproject_toml_data = load_pyproject_toml( self.use_pep517, self.pyproject_toml_path, self.setup_py_path, str(self) ) if pyproject_toml_data is None: self.use_pep517 = False return self.use_pep517 = True requires, backend, check, backend_path = pyproject_toml_data self.requirements_to_check = check self.pyproject_requires = requires self.pep517_backend = Pep517HookCaller( self.unpacked_source_directory, backend, backend_path=backend_path, ) def isolated_editable_sanity_check(self) -> None: """Check that an editable requirement if valid for use with PEP 517/518. This verifies that an editable that has a pyproject.toml either supports PEP 660 or as a setup.py or a setup.cfg """ if ( self.editable and self.use_pep517 and not self.supports_pyproject_editable() and not os.path.isfile(self.setup_py_path) and not os.path.isfile(self.setup_cfg_path) ): raise InstallationError( f"Project {self} has a 'pyproject.toml' and its build " f"backend is missing the 'build_editable' hook. Since it does not " f"have a 'setup.py' nor a 'setup.cfg', " f"it cannot be installed in editable mode. " f"Consider using a build backend that supports PEP 660." ) def prepare_metadata(self) -> None: """Ensure that project metadata is available. Under PEP 517 and PEP 660, call the backend hook to prepare the metadata. Under legacy processing, call setup.py egg-info. """ assert self.source_dir if self.use_pep517: assert self.pep517_backend is not None if ( self.editable and self.permit_editable_wheels and self.supports_pyproject_editable() ): self.metadata_directory = generate_editable_metadata( build_env=self.build_env, backend=self.pep517_backend, ) else: self.metadata_directory = generate_metadata( build_env=self.build_env, backend=self.pep517_backend, ) else: self.metadata_directory = generate_metadata_legacy( build_env=self.build_env, setup_py_path=self.setup_py_path, source_dir=self.unpacked_source_directory, isolated=self.isolated, details=self.name or f"from {self.link}", ) # Act on the newly generated metadata, based on the name and version. if not self.name: self._set_requirement() else: self.warn_on_mismatching_name() self.assert_source_matches_version() @property def metadata(self) -> Any: if not hasattr(self, "_metadata"): self._metadata = get_metadata(self.get_dist()) return self._metadata def get_dist(self) -> Distribution: return _get_dist(self.metadata_directory) def assert_source_matches_version(self) -> None: assert self.source_dir version = self.metadata["version"] if self.req.specifier and version not in self.req.specifier: logger.warning( "Requested %s, but installing version %s", self, version, ) else: logger.debug( "Source in %s has version %s, which satisfies requirement %s", display_path(self.source_dir), version, self, ) # For both source distributions and editables def ensure_has_source_dir( self, parent_dir: str, autodelete: bool = False, parallel_builds: bool = False, ) -> None: """Ensure that a source_dir is set. This will create a temporary build dir if the name of the requirement isn't known yet. :param parent_dir: The ideal pip parent_dir for the source_dir. Generally src_dir for editables and build_dir for sdists. :return: self.source_dir """ if self.source_dir is None: self.source_dir = self.ensure_build_location( parent_dir, autodelete=autodelete, parallel_builds=parallel_builds, ) # For editable installations def update_editable(self) -> None: if not self.link: logger.debug( "Cannot update repository at %s; repository location is unknown", self.source_dir, ) return assert self.editable assert self.source_dir if self.link.scheme == "file": # Static paths don't get updated return vcs_backend = vcs.get_backend_for_scheme(self.link.scheme) # Editable requirements are validated in Requirement constructors. # So here, if it's neither a path nor a valid VCS URL, it's a bug. assert vcs_backend, f"Unsupported VCS URL {self.link.url}" hidden_url = hide_url(self.link.url) vcs_backend.obtain(self.source_dir, url=hidden_url) # Top-level Actions def uninstall( self, auto_confirm: bool = False, verbose: bool = False ) -> Optional[UninstallPathSet]: """ Uninstall the distribution currently satisfying this requirement. Prompts before removing or modifying files unless ``auto_confirm`` is True. Refuses to delete or modify files outside of ``sys.prefix`` - thus uninstallation within a virtual environment can only modify that virtual environment, even if the virtualenv is linked to global site-packages. """ assert self.req dist = get_distribution(self.req.name) if not dist: logger.warning("Skipping %s as it is not installed.", self.name) return None logger.info("Found existing installation: %s", dist) uninstalled_pathset = UninstallPathSet.from_dist(dist) uninstalled_pathset.remove(auto_confirm, verbose) return uninstalled_pathset def _get_archive_name(self, path: str, parentdir: str, rootdir: str) -> str: def _clean_zip_name(name: str, prefix: str) -> str: assert name.startswith( prefix + os.path.sep ), f"name {name!r} doesn't start with prefix {prefix!r}" name = name[len(prefix) + 1 :] name = name.replace(os.path.sep, "/") return name path = os.path.join(parentdir, path) name = _clean_zip_name(path, rootdir) return self.name + "/" + name def archive(self, build_dir: Optional[str]) -> None: """Saves archive to provided build_dir. Used for saving downloaded VCS requirements as part of `pip download`. """ assert self.source_dir if build_dir is None: return create_archive = True archive_name = "{}-{}.zip".format(self.name, self.metadata["version"]) archive_path = os.path.join(build_dir, archive_name) if os.path.exists(archive_path): response = ask_path_exists( "The file {} exists. (i)gnore, (w)ipe, " "(b)ackup, (a)bort ".format(display_path(archive_path)), ("i", "w", "b", "a"), ) if response == "i": create_archive = False elif response == "w": logger.warning("Deleting %s", display_path(archive_path)) os.remove(archive_path) elif response == "b": dest_file = backup_dir(archive_path) logger.warning( "Backing up %s to %s", display_path(archive_path), display_path(dest_file), ) shutil.move(archive_path, dest_file) elif response == "a": sys.exit(-1) if not create_archive: return zip_output = zipfile.ZipFile( archive_path, "w", zipfile.ZIP_DEFLATED, allowZip64=True, ) with zip_output: dir = os.path.normcase(os.path.abspath(self.unpacked_source_directory)) for dirpath, dirnames, filenames in os.walk(dir): for dirname in dirnames: dir_arcname = self._get_archive_name( dirname, parentdir=dirpath, rootdir=dir, ) zipdir = zipfile.ZipInfo(dir_arcname + "/") zipdir.external_attr = 0x1ED << 16 # 0o755 zip_output.writestr(zipdir, "") for filename in filenames: file_arcname = self._get_archive_name( filename, parentdir=dirpath, rootdir=dir, ) filename = os.path.join(dirpath, filename) zip_output.write(filename, file_arcname) logger.info("Saved %s", display_path(archive_path)) def install( self, install_options: List[str], global_options: Optional[Sequence[str]] = None, root: Optional[str] = None, home: Optional[str] = None, prefix: Optional[str] = None, warn_script_location: bool = True, use_user_site: bool = False, pycompile: bool = True, ) -> None: scheme = get_scheme( self.name, user=use_user_site, home=home, root=root, isolated=self.isolated, prefix=prefix, ) global_options = global_options if global_options is not None else [] if self.editable and not self.is_wheel: install_editable_legacy( install_options, global_options, prefix=prefix, home=home, use_user_site=use_user_site, name=self.name, setup_py_path=self.setup_py_path, isolated=self.isolated, build_env=self.build_env, unpacked_source_directory=self.unpacked_source_directory, ) self.install_succeeded = True return if self.is_wheel: assert self.local_file_path direct_url = None if self.editable: direct_url = direct_url_for_editable(self.unpacked_source_directory) elif self.original_link: direct_url = direct_url_from_link( self.original_link, self.source_dir, self.original_link_is_in_wheel_cache, ) install_wheel( self.name, self.local_file_path, scheme=scheme, req_description=str(self.req), pycompile=pycompile, warn_script_location=warn_script_location, direct_url=direct_url, requested=self.user_supplied, ) self.install_succeeded = True return # TODO: Why don't we do this for editable installs? # Extend the list of global and install options passed on to # the setup.py call with the ones from the requirements file. # Options specified in requirements file override those # specified on the command line, since the last option given # to setup.py is the one that is used. global_options = list(global_options) + self.global_options install_options = list(install_options) + self.install_options try: success = install_legacy( install_options=install_options, global_options=global_options, root=root, home=home, prefix=prefix, use_user_site=use_user_site, pycompile=pycompile, scheme=scheme, setup_py_path=self.setup_py_path, isolated=self.isolated, req_name=self.name, build_env=self.build_env, unpacked_source_directory=self.unpacked_source_directory, req_description=str(self.req), ) except LegacyInstallFailure as exc: self.install_succeeded = False raise exc.__cause__ except Exception: self.install_succeeded = True raise self.install_succeeded = success if success and self.legacy_install_reason == 8368: deprecated( reason=( "{} was installed using the legacy 'setup.py install' " "method, because a wheel could not be built for it.".format( self.name ) ), replacement="to fix the wheel build issue reported above", gone_in=None, issue=8368, ) def check_invalid_constraint_type(req: InstallRequirement) -> str: # Check for unsupported forms problem = "" if not req.name: problem = "Unnamed requirements are not allowed as constraints" elif req.editable: problem = "Editable requirements are not allowed as constraints" elif req.extras: problem = "Constraints cannot have extras" if problem: deprecated( reason=( "Constraints are only allowed to take the form of a package " "name and a version specifier. Other forms were originally " "permitted as an accident of the implementation, but were " "undocumented. The new implementation of the resolver no " "longer supports these forms." ), replacement="replacing the constraint with a requirement", # No plan yet for when the new resolver becomes default gone_in=None, issue=8210, ) return problem _internal/req/req_set.py 0000644 00000016640 15114542002 0011323 0 ustar 00 import logging from collections import OrderedDict from typing import Dict, Iterable, List, Optional, Tuple from pip._vendor.packaging.utils import canonicalize_name from pip._internal.exceptions import InstallationError from pip._internal.models.wheel import Wheel from pip._internal.req.req_install import InstallRequirement from pip._internal.utils import compatibility_tags logger = logging.getLogger(__name__) class RequirementSet: def __init__(self, check_supported_wheels: bool = True) -> None: """Create a RequirementSet.""" self.requirements: Dict[str, InstallRequirement] = OrderedDict() self.check_supported_wheels = check_supported_wheels self.unnamed_requirements: List[InstallRequirement] = [] def __str__(self) -> str: requirements = sorted( (req for req in self.requirements.values() if not req.comes_from), key=lambda req: canonicalize_name(req.name or ""), ) return " ".join(str(req.req) for req in requirements) def __repr__(self) -> str: requirements = sorted( self.requirements.values(), key=lambda req: canonicalize_name(req.name or ""), ) format_string = "<{classname} object; {count} requirement(s): {reqs}>" return format_string.format( classname=self.__class__.__name__, count=len(requirements), reqs=", ".join(str(req.req) for req in requirements), ) def add_unnamed_requirement(self, install_req: InstallRequirement) -> None: assert not install_req.name self.unnamed_requirements.append(install_req) def add_named_requirement(self, install_req: InstallRequirement) -> None: assert install_req.name project_name = canonicalize_name(install_req.name) self.requirements[project_name] = install_req def add_requirement( self, install_req: InstallRequirement, parent_req_name: Optional[str] = None, extras_requested: Optional[Iterable[str]] = None, ) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]]: """Add install_req as a requirement to install. :param parent_req_name: The name of the requirement that needed this added. The name is used because when multiple unnamed requirements resolve to the same name, we could otherwise end up with dependency links that point outside the Requirements set. parent_req must already be added. Note that None implies that this is a user supplied requirement, vs an inferred one. :param extras_requested: an iterable of extras used to evaluate the environment markers. :return: Additional requirements to scan. That is either [] if the requirement is not applicable, or [install_req] if the requirement is applicable and has just been added. """ # If the markers do not match, ignore this requirement. if not install_req.match_markers(extras_requested): logger.info( "Ignoring %s: markers '%s' don't match your environment", install_req.name, install_req.markers, ) return [], None # If the wheel is not supported, raise an error. # Should check this after filtering out based on environment markers to # allow specifying different wheels based on the environment/OS, in a # single requirements file. if install_req.link and install_req.link.is_wheel: wheel = Wheel(install_req.link.filename) tags = compatibility_tags.get_supported() if self.check_supported_wheels and not wheel.supported(tags): raise InstallationError( "{} is not a supported wheel on this platform.".format( wheel.filename ) ) # This next bit is really a sanity check. assert ( not install_req.user_supplied or parent_req_name is None ), "a user supplied req shouldn't have a parent" # Unnamed requirements are scanned again and the requirement won't be # added as a dependency until after scanning. if not install_req.name: self.add_unnamed_requirement(install_req) return [install_req], None try: existing_req: Optional[InstallRequirement] = self.get_requirement( install_req.name ) except KeyError: existing_req = None has_conflicting_requirement = ( parent_req_name is None and existing_req and not existing_req.constraint and existing_req.extras == install_req.extras and existing_req.req and install_req.req and existing_req.req.specifier != install_req.req.specifier ) if has_conflicting_requirement: raise InstallationError( "Double requirement given: {} (already in {}, name={!r})".format( install_req, existing_req, install_req.name ) ) # When no existing requirement exists, add the requirement as a # dependency and it will be scanned again after. if not existing_req: self.add_named_requirement(install_req) # We'd want to rescan this requirement later return [install_req], install_req # Assume there's no need to scan, and that we've already # encountered this for scanning. if install_req.constraint or not existing_req.constraint: return [], existing_req does_not_satisfy_constraint = install_req.link and not ( existing_req.link and install_req.link.path == existing_req.link.path ) if does_not_satisfy_constraint: raise InstallationError( "Could not satisfy constraints for '{}': " "installation from path or url cannot be " "constrained to a version".format(install_req.name) ) # If we're now installing a constraint, mark the existing # object for real installation. existing_req.constraint = False # If we're now installing a user supplied requirement, # mark the existing object as such. if install_req.user_supplied: existing_req.user_supplied = True existing_req.extras = tuple( sorted(set(existing_req.extras) | set(install_req.extras)) ) logger.debug( "Setting %s extras to: %s", existing_req, existing_req.extras, ) # Return the existing requirement for addition to the parent and # scanning again. return [existing_req], existing_req def has_requirement(self, name: str) -> bool: project_name = canonicalize_name(name) return ( project_name in self.requirements and not self.requirements[project_name].constraint ) def get_requirement(self, name: str) -> InstallRequirement: project_name = canonicalize_name(name) if project_name in self.requirements: return self.requirements[project_name] raise KeyError(f"No project with the name {name!r}") @property def all_requirements(self) -> List[InstallRequirement]: return self.unnamed_requirements + list(self.requirements.values()) _internal/req/req_tracker.py 0000644 00000010025 15114542002 0012152 0 ustar 00 import contextlib import hashlib import logging import os from types import TracebackType from typing import Dict, Iterator, Optional, Set, Type, Union from pip._internal.models.link import Link from pip._internal.req.req_install import InstallRequirement from pip._internal.utils.temp_dir import TempDirectory logger = logging.getLogger(__name__) @contextlib.contextmanager def update_env_context_manager(**changes: str) -> Iterator[None]: target = os.environ # Save values from the target and change them. non_existent_marker = object() saved_values: Dict[str, Union[object, str]] = {} for name, new_value in changes.items(): try: saved_values[name] = target[name] except KeyError: saved_values[name] = non_existent_marker target[name] = new_value try: yield finally: # Restore original values in the target. for name, original_value in saved_values.items(): if original_value is non_existent_marker: del target[name] else: assert isinstance(original_value, str) # for mypy target[name] = original_value @contextlib.contextmanager def get_requirement_tracker() -> Iterator["RequirementTracker"]: root = os.environ.get("PIP_REQ_TRACKER") with contextlib.ExitStack() as ctx: if root is None: root = ctx.enter_context(TempDirectory(kind="req-tracker")).path ctx.enter_context(update_env_context_manager(PIP_REQ_TRACKER=root)) logger.debug("Initialized build tracking at %s", root) with RequirementTracker(root) as tracker: yield tracker class RequirementTracker: def __init__(self, root: str) -> None: self._root = root self._entries: Set[InstallRequirement] = set() logger.debug("Created build tracker: %s", self._root) def __enter__(self) -> "RequirementTracker": logger.debug("Entered build tracker: %s", self._root) return self def __exit__( self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[TracebackType], ) -> None: self.cleanup() def _entry_path(self, link: Link) -> str: hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest() return os.path.join(self._root, hashed) def add(self, req: InstallRequirement) -> None: """Add an InstallRequirement to build tracking.""" assert req.link # Get the file to write information about this requirement. entry_path = self._entry_path(req.link) # Try reading from the file. If it exists and can be read from, a build # is already in progress, so a LookupError is raised. try: with open(entry_path) as fp: contents = fp.read() except FileNotFoundError: pass else: message = "{} is already being built: {}".format(req.link, contents) raise LookupError(message) # If we're here, req should really not be building already. assert req not in self._entries # Start tracking this requirement. with open(entry_path, "w", encoding="utf-8") as fp: fp.write(str(req)) self._entries.add(req) logger.debug("Added %s to build tracker %r", req, self._root) def remove(self, req: InstallRequirement) -> None: """Remove an InstallRequirement from build tracking.""" assert req.link # Delete the created file and the corresponding entries. os.unlink(self._entry_path(req.link)) self._entries.remove(req) logger.debug("Removed %s from build tracker %r", req, self._root) def cleanup(self) -> None: for req in set(self._entries): self.remove(req) logger.debug("Removed build tracker: %r", self._root) @contextlib.contextmanager def track(self, req: InstallRequirement) -> Iterator[None]: self.add(req) yield self.remove(req) _internal/req/req_uninstall.py 0000644 00000056304 15114542002 0012542 0 ustar 00 import csv import functools import os import sys import sysconfig from importlib.util import cache_from_source from typing import Any, Callable, Dict, Iterable, Iterator, List, Optional, Set, Tuple from pip._vendor import pkg_resources from pip._vendor.pkg_resources import Distribution from pip._internal.exceptions import UninstallationError from pip._internal.locations import get_bin_prefix, get_bin_user from pip._internal.utils.compat import WINDOWS from pip._internal.utils.egg_link import egg_link_path_from_location from pip._internal.utils.logging import getLogger, indent_log from pip._internal.utils.misc import ( ask, dist_in_usersite, dist_is_local, is_local, normalize_path, renames, rmtree, ) from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory logger = getLogger(__name__) def _script_names(dist: Distribution, script_name: str, is_gui: bool) -> List[str]: """Create the fully qualified name of the files created by {console,gui}_scripts for the given ``dist``. Returns the list of file names """ if dist_in_usersite(dist): bin_dir = get_bin_user() else: bin_dir = get_bin_prefix() exe_name = os.path.join(bin_dir, script_name) paths_to_remove = [exe_name] if WINDOWS: paths_to_remove.append(exe_name + ".exe") paths_to_remove.append(exe_name + ".exe.manifest") if is_gui: paths_to_remove.append(exe_name + "-script.pyw") else: paths_to_remove.append(exe_name + "-script.py") return paths_to_remove def _unique(fn: Callable[..., Iterator[Any]]) -> Callable[..., Iterator[Any]]: @functools.wraps(fn) def unique(*args: Any, **kw: Any) -> Iterator[Any]: seen: Set[Any] = set() for item in fn(*args, **kw): if item not in seen: seen.add(item) yield item return unique @_unique def uninstallation_paths(dist: Distribution) -> Iterator[str]: """ Yield all the uninstallation paths for dist based on RECORD-without-.py[co] Yield paths to all the files in RECORD. For each .py file in RECORD, add the .pyc and .pyo in the same directory. UninstallPathSet.add() takes care of the __pycache__ .py[co]. If RECORD is not found, raises UninstallationError, with possible information from the INSTALLER file. https://packaging.python.org/specifications/recording-installed-packages/ """ try: r = csv.reader(dist.get_metadata_lines("RECORD")) except FileNotFoundError as missing_record_exception: msg = "Cannot uninstall {dist}, RECORD file not found.".format(dist=dist) try: installer = next(dist.get_metadata_lines("INSTALLER")) if not installer or installer == "pip": raise ValueError() except (OSError, StopIteration, ValueError): dep = "{}=={}".format(dist.project_name, dist.version) msg += ( " You might be able to recover from this via: " "'pip install --force-reinstall --no-deps {}'.".format(dep) ) else: msg += " Hint: The package was installed by {}.".format(installer) raise UninstallationError(msg) from missing_record_exception for row in r: path = os.path.join(dist.location, row[0]) yield path if path.endswith(".py"): dn, fn = os.path.split(path) base = fn[:-3] path = os.path.join(dn, base + ".pyc") yield path path = os.path.join(dn, base + ".pyo") yield path def compact(paths: Iterable[str]) -> Set[str]: """Compact a path set to contain the minimal number of paths necessary to contain all paths in the set. If /a/path/ and /a/path/to/a/file.txt are both in the set, leave only the shorter path.""" sep = os.path.sep short_paths: Set[str] = set() for path in sorted(paths, key=len): should_skip = any( path.startswith(shortpath.rstrip("*")) and path[len(shortpath.rstrip("*").rstrip(sep))] == sep for shortpath in short_paths ) if not should_skip: short_paths.add(path) return short_paths def compress_for_rename(paths: Iterable[str]) -> Set[str]: """Returns a set containing the paths that need to be renamed. This set may include directories when the original sequence of paths included every file on disk. """ case_map = {os.path.normcase(p): p for p in paths} remaining = set(case_map) unchecked = sorted({os.path.split(p)[0] for p in case_map.values()}, key=len) wildcards: Set[str] = set() def norm_join(*a: str) -> str: return os.path.normcase(os.path.join(*a)) for root in unchecked: if any(os.path.normcase(root).startswith(w) for w in wildcards): # This directory has already been handled. continue all_files: Set[str] = set() all_subdirs: Set[str] = set() for dirname, subdirs, files in os.walk(root): all_subdirs.update(norm_join(root, dirname, d) for d in subdirs) all_files.update(norm_join(root, dirname, f) for f in files) # If all the files we found are in our remaining set of files to # remove, then remove them from the latter set and add a wildcard # for the directory. if not (all_files - remaining): remaining.difference_update(all_files) wildcards.add(root + os.sep) return set(map(case_map.__getitem__, remaining)) | wildcards def compress_for_output_listing(paths: Iterable[str]) -> Tuple[Set[str], Set[str]]: """Returns a tuple of 2 sets of which paths to display to user The first set contains paths that would be deleted. Files of a package are not added and the top-level directory of the package has a '*' added at the end - to signify that all it's contents are removed. The second set contains files that would have been skipped in the above folders. """ will_remove = set(paths) will_skip = set() # Determine folders and files folders = set() files = set() for path in will_remove: if path.endswith(".pyc"): continue if path.endswith("__init__.py") or ".dist-info" in path: folders.add(os.path.dirname(path)) files.add(path) # probably this one https://github.com/python/mypy/issues/390 _normcased_files = set(map(os.path.normcase, files)) # type: ignore folders = compact(folders) # This walks the tree using os.walk to not miss extra folders # that might get added. for folder in folders: for dirpath, _, dirfiles in os.walk(folder): for fname in dirfiles: if fname.endswith(".pyc"): continue file_ = os.path.join(dirpath, fname) if ( os.path.isfile(file_) and os.path.normcase(file_) not in _normcased_files ): # We are skipping this file. Add it to the set. will_skip.add(file_) will_remove = files | {os.path.join(folder, "*") for folder in folders} return will_remove, will_skip class StashedUninstallPathSet: """A set of file rename operations to stash files while tentatively uninstalling them.""" def __init__(self) -> None: # Mapping from source file root to [Adjacent]TempDirectory # for files under that directory. self._save_dirs: Dict[str, TempDirectory] = {} # (old path, new path) tuples for each move that may need # to be undone. self._moves: List[Tuple[str, str]] = [] def _get_directory_stash(self, path: str) -> str: """Stashes a directory. Directories are stashed adjacent to their original location if possible, or else moved/copied into the user's temp dir.""" try: save_dir: TempDirectory = AdjacentTempDirectory(path) except OSError: save_dir = TempDirectory(kind="uninstall") self._save_dirs[os.path.normcase(path)] = save_dir return save_dir.path def _get_file_stash(self, path: str) -> str: """Stashes a file. If no root has been provided, one will be created for the directory in the user's temp directory.""" path = os.path.normcase(path) head, old_head = os.path.dirname(path), None save_dir = None while head != old_head: try: save_dir = self._save_dirs[head] break except KeyError: pass head, old_head = os.path.dirname(head), head else: # Did not find any suitable root head = os.path.dirname(path) save_dir = TempDirectory(kind="uninstall") self._save_dirs[head] = save_dir relpath = os.path.relpath(path, head) if relpath and relpath != os.path.curdir: return os.path.join(save_dir.path, relpath) return save_dir.path def stash(self, path: str) -> str: """Stashes the directory or file and returns its new location. Handle symlinks as files to avoid modifying the symlink targets. """ path_is_dir = os.path.isdir(path) and not os.path.islink(path) if path_is_dir: new_path = self._get_directory_stash(path) else: new_path = self._get_file_stash(path) self._moves.append((path, new_path)) if path_is_dir and os.path.isdir(new_path): # If we're moving a directory, we need to # remove the destination first or else it will be # moved to inside the existing directory. # We just created new_path ourselves, so it will # be removable. os.rmdir(new_path) renames(path, new_path) return new_path def commit(self) -> None: """Commits the uninstall by removing stashed files.""" for _, save_dir in self._save_dirs.items(): save_dir.cleanup() self._moves = [] self._save_dirs = {} def rollback(self) -> None: """Undoes the uninstall by moving stashed files back.""" for p in self._moves: logger.info("Moving to %s\n from %s", *p) for new_path, path in self._moves: try: logger.debug("Replacing %s from %s", new_path, path) if os.path.isfile(new_path) or os.path.islink(new_path): os.unlink(new_path) elif os.path.isdir(new_path): rmtree(new_path) renames(path, new_path) except OSError as ex: logger.error("Failed to restore %s", new_path) logger.debug("Exception: %s", ex) self.commit() @property def can_rollback(self) -> bool: return bool(self._moves) class UninstallPathSet: """A set of file paths to be removed in the uninstallation of a requirement.""" def __init__(self, dist: Distribution) -> None: self.paths: Set[str] = set() self._refuse: Set[str] = set() self.pth: Dict[str, UninstallPthEntries] = {} self.dist = dist self._moved_paths = StashedUninstallPathSet() def _permitted(self, path: str) -> bool: """ Return True if the given path is one we are permitted to remove/modify, False otherwise. """ return is_local(path) def add(self, path: str) -> None: head, tail = os.path.split(path) # we normalize the head to resolve parent directory symlinks, but not # the tail, since we only want to uninstall symlinks, not their targets path = os.path.join(normalize_path(head), os.path.normcase(tail)) if not os.path.exists(path): return if self._permitted(path): self.paths.add(path) else: self._refuse.add(path) # __pycache__ files can show up after 'installed-files.txt' is created, # due to imports if os.path.splitext(path)[1] == ".py": self.add(cache_from_source(path)) def add_pth(self, pth_file: str, entry: str) -> None: pth_file = normalize_path(pth_file) if self._permitted(pth_file): if pth_file not in self.pth: self.pth[pth_file] = UninstallPthEntries(pth_file) self.pth[pth_file].add(entry) else: self._refuse.add(pth_file) def remove(self, auto_confirm: bool = False, verbose: bool = False) -> None: """Remove paths in ``self.paths`` with confirmation (unless ``auto_confirm`` is True).""" if not self.paths: logger.info( "Can't uninstall '%s'. No files were found to uninstall.", self.dist.project_name, ) return dist_name_version = self.dist.project_name + "-" + self.dist.version logger.info("Uninstalling %s:", dist_name_version) with indent_log(): if auto_confirm or self._allowed_to_proceed(verbose): moved = self._moved_paths for_rename = compress_for_rename(self.paths) for path in sorted(compact(for_rename)): moved.stash(path) logger.verbose("Removing file or directory %s", path) for pth in self.pth.values(): pth.remove() logger.info("Successfully uninstalled %s", dist_name_version) def _allowed_to_proceed(self, verbose: bool) -> bool: """Display which files would be deleted and prompt for confirmation""" def _display(msg: str, paths: Iterable[str]) -> None: if not paths: return logger.info(msg) with indent_log(): for path in sorted(compact(paths)): logger.info(path) if not verbose: will_remove, will_skip = compress_for_output_listing(self.paths) else: # In verbose mode, display all the files that are going to be # deleted. will_remove = set(self.paths) will_skip = set() _display("Would remove:", will_remove) _display("Would not remove (might be manually added):", will_skip) _display("Would not remove (outside of prefix):", self._refuse) if verbose: _display("Will actually move:", compress_for_rename(self.paths)) return ask("Proceed (Y/n)? ", ("y", "n", "")) != "n" def rollback(self) -> None: """Rollback the changes previously made by remove().""" if not self._moved_paths.can_rollback: logger.error( "Can't roll back %s; was not uninstalled", self.dist.project_name, ) return logger.info("Rolling back uninstall of %s", self.dist.project_name) self._moved_paths.rollback() for pth in self.pth.values(): pth.rollback() def commit(self) -> None: """Remove temporary save dir: rollback will no longer be possible.""" self._moved_paths.commit() @classmethod def from_dist(cls, dist: Distribution) -> "UninstallPathSet": dist_path = normalize_path(dist.location) if not dist_is_local(dist): logger.info( "Not uninstalling %s at %s, outside environment %s", dist.key, dist_path, sys.prefix, ) return cls(dist) if dist_path in { p for p in {sysconfig.get_path("stdlib"), sysconfig.get_path("platstdlib")} if p }: logger.info( "Not uninstalling %s at %s, as it is in the standard library.", dist.key, dist_path, ) return cls(dist) paths_to_remove = cls(dist) develop_egg_link = egg_link_path_from_location(dist.project_name) develop_egg_link_egg_info = "{}.egg-info".format( pkg_resources.to_filename(dist.project_name) ) egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info) # Special case for distutils installed package distutils_egg_info = getattr(dist._provider, "path", None) # Uninstall cases order do matter as in the case of 2 installs of the # same package, pip needs to uninstall the currently detected version if ( egg_info_exists and dist.egg_info.endswith(".egg-info") and not dist.egg_info.endswith(develop_egg_link_egg_info) ): # if dist.egg_info.endswith(develop_egg_link_egg_info), we # are in fact in the develop_egg_link case paths_to_remove.add(dist.egg_info) if dist.has_metadata("installed-files.txt"): for installed_file in dist.get_metadata( "installed-files.txt" ).splitlines(): path = os.path.normpath(os.path.join(dist.egg_info, installed_file)) paths_to_remove.add(path) # FIXME: need a test for this elif block # occurs with --single-version-externally-managed/--record outside # of pip elif dist.has_metadata("top_level.txt"): if dist.has_metadata("namespace_packages.txt"): namespaces = dist.get_metadata("namespace_packages.txt") else: namespaces = [] for top_level_pkg in [ p for p in dist.get_metadata("top_level.txt").splitlines() if p and p not in namespaces ]: path = os.path.join(dist.location, top_level_pkg) paths_to_remove.add(path) paths_to_remove.add(path + ".py") paths_to_remove.add(path + ".pyc") paths_to_remove.add(path + ".pyo") elif distutils_egg_info: raise UninstallationError( "Cannot uninstall {!r}. It is a distutils installed project " "and thus we cannot accurately determine which files belong " "to it which would lead to only a partial uninstall.".format( dist.project_name, ) ) elif dist.location.endswith(".egg"): # package installed by easy_install # We cannot match on dist.egg_name because it can slightly vary # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg paths_to_remove.add(dist.location) easy_install_egg = os.path.split(dist.location)[1] easy_install_pth = os.path.join( os.path.dirname(dist.location), "easy-install.pth" ) paths_to_remove.add_pth(easy_install_pth, "./" + easy_install_egg) elif egg_info_exists and dist.egg_info.endswith(".dist-info"): for path in uninstallation_paths(dist): paths_to_remove.add(path) elif develop_egg_link: # develop egg with open(develop_egg_link) as fh: link_pointer = os.path.normcase(fh.readline().strip()) assert ( link_pointer == dist.location ), "Egg-link {} does not match installed location of {} (at {})".format( link_pointer, dist.project_name, dist.location ) paths_to_remove.add(develop_egg_link) easy_install_pth = os.path.join( os.path.dirname(develop_egg_link), "easy-install.pth" ) paths_to_remove.add_pth(easy_install_pth, dist.location) else: logger.debug( "Not sure how to uninstall: %s - Check: %s", dist, dist.location, ) # find distutils scripts= scripts if dist.has_metadata("scripts") and dist.metadata_isdir("scripts"): for script in dist.metadata_listdir("scripts"): if dist_in_usersite(dist): bin_dir = get_bin_user() else: bin_dir = get_bin_prefix() paths_to_remove.add(os.path.join(bin_dir, script)) if WINDOWS: paths_to_remove.add(os.path.join(bin_dir, script) + ".bat") # find console_scripts _scripts_to_remove = [] console_scripts = dist.get_entry_map(group="console_scripts") for name in console_scripts.keys(): _scripts_to_remove.extend(_script_names(dist, name, False)) # find gui_scripts gui_scripts = dist.get_entry_map(group="gui_scripts") for name in gui_scripts.keys(): _scripts_to_remove.extend(_script_names(dist, name, True)) for s in _scripts_to_remove: paths_to_remove.add(s) return paths_to_remove class UninstallPthEntries: def __init__(self, pth_file: str) -> None: self.file = pth_file self.entries: Set[str] = set() self._saved_lines: Optional[List[bytes]] = None def add(self, entry: str) -> None: entry = os.path.normcase(entry) # On Windows, os.path.normcase converts the entry to use # backslashes. This is correct for entries that describe absolute # paths outside of site-packages, but all the others use forward # slashes. # os.path.splitdrive is used instead of os.path.isabs because isabs # treats non-absolute paths with drive letter markings like c:foo\bar # as absolute paths. It also does not recognize UNC paths if they don't # have more than "\\sever\share". Valid examples: "\\server\share\" or # "\\server\share\folder". if WINDOWS and not os.path.splitdrive(entry)[0]: entry = entry.replace("\\", "/") self.entries.add(entry) def remove(self) -> None: logger.verbose("Removing pth entries from %s:", self.file) # If the file doesn't exist, log a warning and return if not os.path.isfile(self.file): logger.warning("Cannot remove entries from nonexistent file %s", self.file) return with open(self.file, "rb") as fh: # windows uses '\r\n' with py3k, but uses '\n' with py2.x lines = fh.readlines() self._saved_lines = lines if any(b"\r\n" in line for line in lines): endline = "\r\n" else: endline = "\n" # handle missing trailing newline if lines and not lines[-1].endswith(endline.encode("utf-8")): lines[-1] = lines[-1] + endline.encode("utf-8") for entry in self.entries: try: logger.verbose("Removing entry: %s", entry) lines.remove((entry + endline).encode("utf-8")) except ValueError: pass with open(self.file, "wb") as fh: fh.writelines(lines) def rollback(self) -> bool: if self._saved_lines is None: logger.error("Cannot roll back changes to %s, none were made", self.file) return False logger.debug("Rolling %s back to previous state", self.file) with open(self.file, "wb") as fh: fh.writelines(self._saved_lines) return True _internal/resolution/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000240 15114542002 0020247 0 ustar 00 a [��f � @ s d S )N� r r r �E/usr/lib/python3.9/site-packages/pip/_internal/resolution/__init__.py�<module> � _internal/resolution/__pycache__/__init__.cpython-39.pyc 0000644 00000000240 15114542002 0017310 0 ustar 00 a [��f � @ s d S )N� r r r �E/usr/lib/python3.9/site-packages/pip/_internal/resolution/__init__.py�<module> � _internal/resolution/__pycache__/base.cpython-39.opt-1.pyc 0000644 00000001771 15114542002 0017434 0 ustar 00 a [��fG � @ sR d dl mZmZmZ d dlmZ d dlmZ eeee gef Z G dd� d�Z dS )� )�Callable�List�Optional)�InstallRequirement)�RequirementSetc @ s6 e Zd Zee eed�dd�Zeee d�dd�ZdS )� BaseResolver)� root_reqs�check_supported_wheels�returnc C s t � �d S �N��NotImplementedError)�selfr r � r �A/usr/lib/python3.9/site-packages/pip/_internal/resolution/base.py�resolve s zBaseResolver.resolve)�req_setr c C s t � �d S r r )r r r r r �get_installation_order s z#BaseResolver.get_installation_orderN) �__name__� __module__� __qualname__r r �boolr r r r r r r r s � �r N) �typingr r r Z pip._internal.req.req_installr Zpip._internal.req.req_setr �strZInstallRequirementProviderr r r r r �<module> s � _internal/resolution/__pycache__/base.cpython-39.pyc 0000644 00000001771 15114542002 0016475 0 ustar 00 a [��fG � @ sR d dl mZmZmZ d dlmZ d dlmZ eeee gef Z G dd� d�Z dS )� )�Callable�List�Optional)�InstallRequirement)�RequirementSetc @ s6 e Zd Zee eed�dd�Zeee d�dd�ZdS )� BaseResolver)� root_reqs�check_supported_wheels�returnc C s t � �d S �N��NotImplementedError)�selfr r � r �A/usr/lib/python3.9/site-packages/pip/_internal/resolution/base.py�resolve s zBaseResolver.resolve)�req_setr c C s t � �d S r r )r r r r r �get_installation_order s z#BaseResolver.get_installation_orderN) �__name__� __module__� __qualname__r r �boolr r r r r r r r s � �r N) �typingr r r Z pip._internal.req.req_installr Zpip._internal.req.req_setr �strZInstallRequirementProviderr r r r r �<module> s � _internal/resolution/legacy/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000247 15114542002 0021522 0 ustar 00 a [��f � @ s d S )N� r r r �L/usr/lib/python3.9/site-packages/pip/_internal/resolution/legacy/__init__.py�<module> � _internal/resolution/legacy/__pycache__/__init__.cpython-39.pyc 0000644 00000000247 15114542002 0020563 0 ustar 00 a [��f � @ s d S )N� r r r �L/usr/lib/python3.9/site-packages/pip/_internal/resolution/legacy/__init__.py�<module> � _internal/resolution/legacy/__pycache__/resolver.cpython-39.opt-1.pyc 0000644 00000027604 15114542002 0021632 0 ustar 00 a [��fH � @ sz d Z ddlZddlZddlmZ ddlmZ ddlmZm Z m Z m Z m Z m Z ddlmZ ddlmZ ddlmZ dd lmZmZmZmZmZmZ dd lm Z dd l m Z dd l m Z dd l!m"Z" ddl#m$Z$m%Z% ddl&m'Z' ddl(m)Z)m*Z* ddl+m,Z, ddl-m.Z. ddl/m0Z0m1Z1 ddl/m2Z2 ddl3m4Z4 e�5e6�Z7ee8e e$ f Z9d e e e:e:e:f e;dd�dd�Z<G dd� de)�Z=dS ) ay Dependency Resolution The dependency resolution in pip is performed as follows: for top-level requirements: a. only one spec allowed per project, regardless of conflicts or not. otherwise a "double requirement" exception is raised b. they override sub-dependency requirements. for sub-dependencies a. "first found, wins" (where the order is breadth first) � N)� defaultdict)�chain)� DefaultDict�Iterable�List�Optional�Set�Tuple)� specifiers)� Requirement)� WheelCache)�BestVersionAlreadyInstalled�DistributionNotFound� HashError� HashErrors�NoneMetadataError�UnsupportedPythonVersion)� PackageFinder)�BaseDistribution)�Link)�RequirementPreparer)�InstallRequirement� check_invalid_constraint_type)�RequirementSet)� BaseResolver�InstallRequirementProvider)� get_supported)� indent_log)�dist_in_usersite�normalize_version_info)�dist_in_install_path)�check_requires_pythonF)�dist� version_info�ignore_requires_python�returnc C s� zt | j�}W n2 ty@ } zt| t |���W Y d}~n d}~0 0 zt||d�}W n8 tjy� } z t�d| j |� W Y d}~dS d}~0 0 |r�dS d� t t |��}|r�t� d| j ||� dS t d�| j ||���dS )a� Check whether the given Python version is compatible with a distribution's "Requires-Python" value. :param version_info: A 3-tuple of ints representing the Python major-minor-micro version to check. :param ignore_requires_python: Whether to ignore the "Requires-Python" value if the given Python version isn't compatible. :raises UnsupportedPythonVersion: When the given Python version isn't compatible. 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N)rb Z package_nameZsupported_tagszUsing cached wheel link: %sT) rb rh r= r; Zrequire_hashesZget_cache_entry�namer r* r/ Z original_linkZ persistentZ original_link_is_in_wheel_cache)rM rV Z cache_entryr4 r4 r5 �_populate_link! s �zResolver._populate_linkc C s� |j r| j�|�S | �|�}|jr0| j�||�S | �|� | j�|�}| jsX|� | j � |jr�| j dkp~| j p~| jp~|j jdk}|r�| �|� n t�d|� |S )zzTakes a InstallRequirement and returns a single AbstractDist representing a prepared variant of the same. r8 �filez<Requirement already satisfied (use --upgrade to upgrade): %s)Zeditabler; Z prepare_editable_requirementrd r] Z prepare_installed_requirementrj Zprepare_linked_requirementrA ra r? rC rB rb �schemer^ r* �info)rM rV Z skip_reasonr" Z should_modifyr4 r4 r5 � _get_dist_for> s0 �� � �zResolver._get_dist_for)rX r_ r% c s, �j s �jrg S d�_����}t|�j�jd� g � ttt dd�� ���fdd� }t � �� �� �j �sx�j �dd� �j �s�jr�t�dd ��j�� tt�j�t|�� � �}|D ]}t�d |j|j|� q�tt|�� �t�j�@ �}|�|�D ]}|||d � q�W d � n1 �s 0 Y � S ) zxPrepare a single requirements file. :return: A list of additional InstallRequirements to also install. 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Z getLoggerr� r* r' ZDiscoveredDependenciesr� r� r6 r7 r4 r4 r4 r5 �<module> s> � � 7 _internal/resolution/legacy/__pycache__/resolver.cpython-39.pyc 0000644 00000027722 15114542002 0020674 0 ustar 00 a [��fH � @ sz d Z ddlZddlZddlmZ ddlmZ ddlmZm Z m Z m Z m Z m Z ddlmZ ddlmZ ddlmZ dd lmZmZmZmZmZmZ dd lm Z dd l m Z dd l m Z dd l!m"Z" ddl#m$Z$m%Z% ddl&m'Z' ddl(m)Z)m*Z* ddl+m,Z, ddl-m.Z. ddl/m0Z0m1Z1 ddl/m2Z2 ddl3m4Z4 e�5e6�Z7ee8e e$ f Z9d e e e:e:e:f e;dd�dd�Z<G dd� de)�Z=dS ) ay Dependency Resolution The dependency resolution in pip is performed as follows: for top-level requirements: a. only one spec allowed per project, regardless of conflicts or not. otherwise a "double requirement" exception is raised b. they override sub-dependency requirements. for sub-dependencies a. "first found, wins" (where the order is breadth first) � N)� defaultdict)�chain)� DefaultDict�Iterable�List�Optional�Set�Tuple)� specifiers)� Requirement)� WheelCache)�BestVersionAlreadyInstalled�DistributionNotFound� HashError� HashErrors�NoneMetadataError�UnsupportedPythonVersion)� PackageFinder)�BaseDistribution)�Link)�RequirementPreparer)�InstallRequirement� check_invalid_constraint_type)�RequirementSet)� BaseResolver�InstallRequirementProvider)� get_supported)� indent_log)�dist_in_usersite�normalize_version_info)�dist_in_install_path)�check_requires_pythonF)�dist� version_info�ignore_requires_python�returnc C s� zt | j�}W n2 ty@ } zt| t |���W Y d}~n d}~0 0 zt||d�}W n8 tjy� } z t�d| j |� W Y d}~dS d}~0 0 |r�dS d� t t |��}|r�t� d| j ||� dS t d�| j ||���dS )a� Check whether the given Python version is compatible with a distribution's "Requires-Python" value. :param version_info: A 3-tuple of ints representing the Python major-minor-micro version to check. :param ignore_requires_python: Whether to ignore the "Requires-Python" value if the given Python version isn't compatible. :raises UnsupportedPythonVersion: When the given Python version isn't compatible. 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Z getLoggerr� r* r' ZDiscoveredDependenciesr� r� r6 r7 r4 r4 r4 r5 �<module> s> � � 7 _internal/resolution/legacy/__init__.py 0000644 00000000000 15114542002 0014257 0 ustar 00 _internal/resolution/legacy/resolver.py 0000644 00000044021 15114542002 0014374 0 ustar 00 """Dependency Resolution The dependency resolution in pip is performed as follows: for top-level requirements: a. only one spec allowed per project, regardless of conflicts or not. otherwise a "double requirement" exception is raised b. they override sub-dependency requirements. for sub-dependencies a. "first found, wins" (where the order is breadth first) """ # The following comment should be removed at some point in the future. # mypy: strict-optional=False import logging import sys from collections import defaultdict from itertools import chain from typing import DefaultDict, Iterable, List, Optional, Set, Tuple from pip._vendor.packaging import specifiers from pip._vendor.packaging.requirements import Requirement from pip._internal.cache import WheelCache from pip._internal.exceptions import ( BestVersionAlreadyInstalled, DistributionNotFound, HashError, HashErrors, NoneMetadataError, UnsupportedPythonVersion, ) from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import BaseDistribution from pip._internal.models.link import Link from pip._internal.operations.prepare import RequirementPreparer from pip._internal.req.req_install import ( InstallRequirement, check_invalid_constraint_type, ) from pip._internal.req.req_set import RequirementSet from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider from pip._internal.utils.compatibility_tags import get_supported from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import dist_in_usersite, normalize_version_info from pip._internal.utils.misc import dist_in_install_path from pip._internal.utils.packaging import check_requires_python logger = logging.getLogger(__name__) DiscoveredDependencies = DefaultDict[str, List[InstallRequirement]] def _check_dist_requires_python( dist: BaseDistribution, version_info: Tuple[int, int, int], ignore_requires_python: bool = False, ) -> None: """ Check whether the given Python version is compatible with a distribution's "Requires-Python" value. :param version_info: A 3-tuple of ints representing the Python major-minor-micro version to check. :param ignore_requires_python: Whether to ignore the "Requires-Python" value if the given Python version isn't compatible. :raises UnsupportedPythonVersion: When the given Python version isn't compatible. """ # This idiosyncratically converts the SpecifierSet to str and let # check_requires_python then parse it again into SpecifierSet. But this # is the legacy resolver so I'm just not going to bother refactoring. try: requires_python = str(dist.requires_python) except FileNotFoundError as e: raise NoneMetadataError(dist, str(e)) try: is_compatible = check_requires_python( requires_python, version_info=version_info, ) except specifiers.InvalidSpecifier as exc: logger.warning( "Package %r has an invalid Requires-Python: %s", dist.raw_name, exc ) return if is_compatible: return version = ".".join(map(str, version_info)) if ignore_requires_python: logger.debug( "Ignoring failed Requires-Python check for package %r: %s not in %r", dist.raw_name, version, requires_python, ) return raise UnsupportedPythonVersion( "Package {!r} requires a different Python: {} not in {!r}".format( dist.raw_name, version, requires_python ) ) class Resolver(BaseResolver): """Resolves which packages need to be installed/uninstalled to perform \ the requested operation without breaking the requirements of any package. """ _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"} def __init__( self, preparer: RequirementPreparer, finder: PackageFinder, wheel_cache: Optional[WheelCache], make_install_req: InstallRequirementProvider, use_user_site: bool, ignore_dependencies: bool, ignore_installed: bool, ignore_requires_python: bool, force_reinstall: bool, upgrade_strategy: str, py_version_info: Optional[Tuple[int, ...]] = None, ) -> None: super().__init__() assert upgrade_strategy in self._allowed_strategies if py_version_info is None: py_version_info = sys.version_info[:3] else: py_version_info = normalize_version_info(py_version_info) self._py_version_info = py_version_info self.preparer = preparer self.finder = finder self.wheel_cache = wheel_cache self.upgrade_strategy = upgrade_strategy self.force_reinstall = force_reinstall self.ignore_dependencies = ignore_dependencies self.ignore_installed = ignore_installed self.ignore_requires_python = ignore_requires_python self.use_user_site = use_user_site self._make_install_req = make_install_req self._discovered_dependencies: DiscoveredDependencies = defaultdict(list) def resolve( self, root_reqs: List[InstallRequirement], check_supported_wheels: bool ) -> RequirementSet: """Resolve what operations need to be done As a side-effect of this method, the packages (and their dependencies) are downloaded, unpacked and prepared for installation. This preparation is done by ``pip.operations.prepare``. Once PyPI has static dependency metadata available, it would be possible to move the preparation to become a step separated from dependency resolution. """ requirement_set = RequirementSet(check_supported_wheels=check_supported_wheels) for req in root_reqs: if req.constraint: check_invalid_constraint_type(req) requirement_set.add_requirement(req) # Actually prepare the files, and collect any exceptions. Most hash # exceptions cannot be checked ahead of time, because # _populate_link() needs to be called before we can make decisions # based on link type. discovered_reqs: List[InstallRequirement] = [] hash_errors = HashErrors() for req in chain(requirement_set.all_requirements, discovered_reqs): try: discovered_reqs.extend(self._resolve_one(requirement_set, req)) except HashError as exc: exc.req = req hash_errors.append(exc) if hash_errors: raise hash_errors return requirement_set def _is_upgrade_allowed(self, req: InstallRequirement) -> bool: if self.upgrade_strategy == "to-satisfy-only": return False elif self.upgrade_strategy == "eager": return True else: assert self.upgrade_strategy == "only-if-needed" return req.user_supplied or req.constraint def _set_req_to_reinstall(self, req: InstallRequirement) -> None: """ Set a requirement to be installed. """ # Don't uninstall the conflict if doing a user install and the # conflict is not a user install. if ((not self.use_user_site or dist_in_usersite(req.satisfied_by)) and dist_in_install_path(req.satisfied_by)): req.should_reinstall = True req.satisfied_by = None def _check_skip_installed( self, req_to_install: InstallRequirement ) -> Optional[str]: """Check if req_to_install should be skipped. This will check if the req is installed, and whether we should upgrade or reinstall it, taking into account all the relevant user options. After calling this req_to_install will only have satisfied_by set to None if the req_to_install is to be upgraded/reinstalled etc. Any other value will be a dist recording the current thing installed that satisfies the requirement. Note that for vcs urls and the like we can't assess skipping in this routine - we simply identify that we need to pull the thing down, then later on it is pulled down and introspected to assess upgrade/ reinstalls etc. :return: A text reason for why it was skipped, or None. """ if self.ignore_installed: return None req_to_install.check_if_exists(self.use_user_site) if not req_to_install.satisfied_by: return None if self.force_reinstall: self._set_req_to_reinstall(req_to_install) return None if not self._is_upgrade_allowed(req_to_install): if self.upgrade_strategy == "only-if-needed": return "already satisfied, skipping upgrade" return "already satisfied" # Check for the possibility of an upgrade. For link-based # requirements we have to pull the tree down and inspect to assess # the version #, so it's handled way down. if not req_to_install.link: try: self.finder.find_requirement(req_to_install, upgrade=True) except BestVersionAlreadyInstalled: # Then the best version is installed. return "already up-to-date" except DistributionNotFound: # No distribution found, so we squash the error. It will # be raised later when we re-try later to do the install. # Why don't we just raise here? pass self._set_req_to_reinstall(req_to_install) return None def _find_requirement_link(self, req: InstallRequirement) -> Optional[Link]: upgrade = self._is_upgrade_allowed(req) best_candidate = self.finder.find_requirement(req, upgrade) if not best_candidate: return None # Log a warning per PEP 592 if necessary before returning. link = best_candidate.link if link.is_yanked: reason = link.yanked_reason or "<none given>" msg = ( # Mark this as a unicode string to prevent # "UnicodeEncodeError: 'ascii' codec can't encode character" # in Python 2 when the reason contains non-ascii characters. "The candidate selected for download or install is a " "yanked version: {candidate}\n" "Reason for being yanked: {reason}" ).format(candidate=best_candidate, reason=reason) logger.warning(msg) return link def _populate_link(self, req: InstallRequirement) -> None: """Ensure that if a link can be found for this, that it is found. Note that req.link may still be None - if the requirement is already installed and not needed to be upgraded based on the return value of _is_upgrade_allowed(). If preparer.require_hashes is True, don't use the wheel cache, because cached wheels, always built locally, have different hashes than the files downloaded from the index server and thus throw false hash mismatches. Furthermore, cached wheels at present have undeterministic contents due to file modification times. """ if req.link is None: req.link = self._find_requirement_link(req) if self.wheel_cache is None or self.preparer.require_hashes: return cache_entry = self.wheel_cache.get_cache_entry( link=req.link, package_name=req.name, supported_tags=get_supported(), ) if cache_entry is not None: logger.debug("Using cached wheel link: %s", cache_entry.link) if req.link is req.original_link and cache_entry.persistent: req.original_link_is_in_wheel_cache = True req.link = cache_entry.link def _get_dist_for(self, req: InstallRequirement) -> BaseDistribution: """Takes a InstallRequirement and returns a single AbstractDist \ representing a prepared variant of the same. """ if req.editable: return self.preparer.prepare_editable_requirement(req) # satisfied_by is only evaluated by calling _check_skip_installed, # so it must be None here. assert req.satisfied_by is None skip_reason = self._check_skip_installed(req) if req.satisfied_by: return self.preparer.prepare_installed_requirement(req, skip_reason) # We eagerly populate the link, since that's our "legacy" behavior. self._populate_link(req) dist = self.preparer.prepare_linked_requirement(req) # NOTE # The following portion is for determining if a certain package is # going to be re-installed/upgraded or not and reporting to the user. # This should probably get cleaned up in a future refactor. # req.req is only avail after unpack for URL # pkgs repeat check_if_exists to uninstall-on-upgrade # (#14) if not self.ignore_installed: req.check_if_exists(self.use_user_site) if req.satisfied_by: should_modify = ( self.upgrade_strategy != "to-satisfy-only" or self.force_reinstall or self.ignore_installed or req.link.scheme == "file" ) if should_modify: self._set_req_to_reinstall(req) else: logger.info( "Requirement already satisfied (use --upgrade to upgrade): %s", req, ) return dist def _resolve_one( self, requirement_set: RequirementSet, req_to_install: InstallRequirement, ) -> List[InstallRequirement]: """Prepare a single requirements file. :return: A list of additional InstallRequirements to also install. """ # Tell user what we are doing for this requirement: # obtain (editable), skipping, processing (local url), collecting # (remote url or package name) if req_to_install.constraint or req_to_install.prepared: return [] req_to_install.prepared = True # Parse and return dependencies dist = self._get_dist_for(req_to_install) # This will raise UnsupportedPythonVersion if the given Python # version isn't compatible with the distribution's Requires-Python. _check_dist_requires_python( dist, version_info=self._py_version_info, ignore_requires_python=self.ignore_requires_python, ) more_reqs: List[InstallRequirement] = [] def add_req(subreq: Requirement, extras_requested: Iterable[str]) -> None: # This idiosyncratically converts the Requirement to str and let # make_install_req then parse it again into Requirement. But this is # the legacy resolver so I'm just not going to bother refactoring. sub_install_req = self._make_install_req(str(subreq), req_to_install) parent_req_name = req_to_install.name to_scan_again, add_to_parent = requirement_set.add_requirement( sub_install_req, parent_req_name=parent_req_name, extras_requested=extras_requested, ) if parent_req_name and add_to_parent: self._discovered_dependencies[parent_req_name].append(add_to_parent) more_reqs.extend(to_scan_again) with indent_log(): # We add req_to_install before its dependencies, so that we # can refer to it when adding dependencies. if not requirement_set.has_requirement(req_to_install.name): # 'unnamed' requirements will get added here # 'unnamed' requirements can only come from being directly # provided by the user. assert req_to_install.user_supplied requirement_set.add_requirement(req_to_install, parent_req_name=None) if not self.ignore_dependencies: if req_to_install.extras: logger.debug( "Installing extra requirements: %r", ",".join(req_to_install.extras), ) missing_requested = sorted( set(req_to_install.extras) - set(dist.iter_provided_extras()) ) for missing in missing_requested: logger.warning( "%s %s does not provide the extra '%s'", dist.raw_name, dist.version, missing, ) available_requested = sorted( set(dist.iter_provided_extras()) & set(req_to_install.extras) ) for subreq in dist.iter_dependencies(available_requested): add_req(subreq, extras_requested=available_requested) return more_reqs def get_installation_order( self, req_set: RequirementSet ) -> List[InstallRequirement]: """Create the installation order. 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The canonical package name is returned as the second member as a tie- breaker to ensure the result is predictable, which is useful in tests. r r )rp rO r8 r1 r1 r2 r] � s r] )5r[ Zloggingr< �typingr r r r r r r Zpip._vendor.packaging.utilsr Zpip._vendor.resolvelibr r r r> Z pip._vendor.resolvelib.structsr Zpip._internal.cacher Z"pip._internal.index.package_finderr Z pip._internal.operations.preparer Z pip._internal.req.req_installr Zpip._internal.req.req_setr Z pip._internal.resolution.baser r Z,pip._internal.resolution.resolvelib.providerr Z,pip._internal.resolution.resolvelib.reporterr r �baser r r, r Z pip._vendor.resolvelib.resolversr ZRLResultrc Z getLoggerr_ rD rd rW r] r1 r1 r1 r2 �<module> s< $ !� / � _internal/resolution/resolvelib/__init__.py 0000644 00000000000 15114542002 0015161 0 ustar 00 _internal/resolution/resolvelib/base.py 0000644 00000012144 15114542002 0014350 0 ustar 00 from typing import FrozenSet, Iterable, Optional, Tuple, Union from pip._vendor.packaging.specifiers import SpecifierSet from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._vendor.packaging.version import LegacyVersion, Version from pip._internal.models.link import Link, links_equivalent from pip._internal.req.req_install import InstallRequirement from pip._internal.utils.hashes import Hashes CandidateLookup = Tuple[Optional["Candidate"], Optional[InstallRequirement]] CandidateVersion = Union[LegacyVersion, Version] def format_name(project: str, extras: FrozenSet[str]) -> str: if not extras: return project canonical_extras = sorted(canonicalize_name(e) for e in extras) return "{}[{}]".format(project, ",".join(canonical_extras)) class Constraint: def __init__( self, specifier: SpecifierSet, hashes: Hashes, links: FrozenSet[Link] ) -> None: self.specifier = specifier self.hashes = hashes self.links = links @classmethod def empty(cls) -> "Constraint": return Constraint(SpecifierSet(), Hashes(), frozenset()) @classmethod def from_ireq(cls, ireq: InstallRequirement) -> "Constraint": links = frozenset([ireq.link]) if ireq.link else frozenset() return Constraint(ireq.specifier, ireq.hashes(trust_internet=False), links) def __bool__(self) -> bool: return bool(self.specifier) or bool(self.hashes) or bool(self.links) def __and__(self, other: InstallRequirement) -> "Constraint": if not isinstance(other, InstallRequirement): return NotImplemented specifier = self.specifier & other.specifier hashes = self.hashes & other.hashes(trust_internet=False) links = self.links if other.link: links = links.union([other.link]) return Constraint(specifier, hashes, links) def is_satisfied_by(self, candidate: "Candidate") -> bool: # Reject if there are any mismatched URL constraints on this package. if self.links and not all(_match_link(link, candidate) for link in self.links): return False # We can safely always allow prereleases here since PackageFinder # already implements the prerelease logic, and would have filtered out # prerelease candidates if the user does not expect them. return self.specifier.contains(candidate.version, prereleases=True) class Requirement: @property def project_name(self) -> NormalizedName: """The "project name" of a requirement. This is different from ``name`` if this requirement contains extras, in which case ``name`` would contain the ``[...]`` part, while this refers to the name of the project. """ raise NotImplementedError("Subclass should override") @property def name(self) -> str: """The name identifying this requirement in the resolver. This is different from ``project_name`` if this requirement contains extras, where ``project_name`` would not contain the ``[...]`` part. """ raise NotImplementedError("Subclass should override") def is_satisfied_by(self, candidate: "Candidate") -> bool: return False def get_candidate_lookup(self) -> CandidateLookup: raise NotImplementedError("Subclass should override") def format_for_error(self) -> str: raise NotImplementedError("Subclass should override") def _match_link(link: Link, candidate: "Candidate") -> bool: if candidate.source_link: return links_equivalent(link, candidate.source_link) return False class Candidate: @property def project_name(self) -> NormalizedName: """The "project name" of the candidate. This is different from ``name`` if this candidate contains extras, in which case ``name`` would contain the ``[...]`` part, while this refers to the name of the project. """ raise NotImplementedError("Override in subclass") @property def name(self) -> str: """The name identifying this candidate in the resolver. This is different from ``project_name`` if this candidate contains extras, where ``project_name`` would not contain the ``[...]`` part. """ raise NotImplementedError("Override in subclass") @property def version(self) -> CandidateVersion: raise NotImplementedError("Override in subclass") @property def is_installed(self) -> bool: raise NotImplementedError("Override in subclass") @property def is_editable(self) -> bool: raise NotImplementedError("Override in subclass") @property def source_link(self) -> Optional[Link]: raise NotImplementedError("Override in subclass") def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: raise NotImplementedError("Override in subclass") def get_install_requirement(self) -> Optional[InstallRequirement]: raise NotImplementedError("Override in subclass") def format_for_error(self) -> str: raise NotImplementedError("Subclass should override") _internal/resolution/resolvelib/candidates.py 0000644 00000043442 15114542002 0015542 0 ustar 00 import logging import sys from typing import TYPE_CHECKING, Any, FrozenSet, Iterable, Optional, Tuple, Union, cast from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._vendor.packaging.version import Version from pip._internal.exceptions import HashError, MetadataInconsistent from pip._internal.metadata import BaseDistribution from pip._internal.models.link import Link, links_equivalent from pip._internal.models.wheel import Wheel from pip._internal.req.constructors import ( install_req_from_editable, install_req_from_line, ) from pip._internal.req.req_install import InstallRequirement from pip._internal.utils.misc import normalize_version_info from .base import Candidate, CandidateVersion, Requirement, format_name if TYPE_CHECKING: from .factory import Factory logger = logging.getLogger(__name__) BaseCandidate = Union[ "AlreadyInstalledCandidate", "EditableCandidate", "LinkCandidate", ] # Avoid conflicting with the PyPI package "Python". REQUIRES_PYTHON_IDENTIFIER = cast(NormalizedName, "<Python from Requires-Python>") def as_base_candidate(candidate: Candidate) -> Optional[BaseCandidate]: """The runtime version of BaseCandidate.""" base_candidate_classes = ( AlreadyInstalledCandidate, EditableCandidate, LinkCandidate, ) if isinstance(candidate, base_candidate_classes): return candidate return None def make_install_req_from_link( link: Link, template: InstallRequirement ) -> InstallRequirement: assert not template.editable, "template is editable" if template.req: line = str(template.req) else: line = link.url ireq = install_req_from_line( line, user_supplied=template.user_supplied, comes_from=template.comes_from, use_pep517=template.use_pep517, isolated=template.isolated, constraint=template.constraint, options=dict( install_options=template.install_options, global_options=template.global_options, hashes=template.hash_options, ), ) ireq.original_link = template.original_link ireq.link = link return ireq def make_install_req_from_editable( link: Link, template: InstallRequirement ) -> InstallRequirement: assert template.editable, "template not editable" return install_req_from_editable( link.url, user_supplied=template.user_supplied, comes_from=template.comes_from, use_pep517=template.use_pep517, isolated=template.isolated, constraint=template.constraint, permit_editable_wheels=template.permit_editable_wheels, options=dict( install_options=template.install_options, global_options=template.global_options, hashes=template.hash_options, ), ) def _make_install_req_from_dist( dist: BaseDistribution, template: InstallRequirement ) -> InstallRequirement: from pip._internal.metadata.pkg_resources import Distribution as _Dist if template.req: line = str(template.req) elif template.link: line = f"{dist.canonical_name} @ {template.link.url}" else: line = f"{dist.canonical_name}=={dist.version}" ireq = install_req_from_line( line, user_supplied=template.user_supplied, comes_from=template.comes_from, use_pep517=template.use_pep517, isolated=template.isolated, constraint=template.constraint, options=dict( install_options=template.install_options, global_options=template.global_options, hashes=template.hash_options, ), ) ireq.satisfied_by = cast(_Dist, dist)._dist return ireq class _InstallRequirementBackedCandidate(Candidate): """A candidate backed by an ``InstallRequirement``. This represents a package request with the target not being already in the environment, and needs to be fetched and installed. The backing ``InstallRequirement`` is responsible for most of the leg work; this class exposes appropriate information to the resolver. :param link: The link passed to the ``InstallRequirement``. The backing ``InstallRequirement`` will use this link to fetch the distribution. :param source_link: The link this candidate "originates" from. This is different from ``link`` when the link is found in the wheel cache. ``link`` would point to the wheel cache, while this points to the found remote link (e.g. from pypi.org). """ dist: BaseDistribution is_installed = False def __init__( self, link: Link, source_link: Link, ireq: InstallRequirement, factory: "Factory", name: Optional[NormalizedName] = None, version: Optional[CandidateVersion] = None, ) -> None: self._link = link self._source_link = source_link self._factory = factory self._ireq = ireq self._name = name self._version = version self.dist = self._prepare() def __str__(self) -> str: return f"{self.name} {self.version}" def __repr__(self) -> str: return "{class_name}({link!r})".format( class_name=self.__class__.__name__, link=str(self._link), ) def __hash__(self) -> int: return hash((self.__class__, self._link)) def __eq__(self, other: Any) -> bool: if isinstance(other, self.__class__): return links_equivalent(self._link, other._link) return False @property def source_link(self) -> Optional[Link]: return self._source_link @property def project_name(self) -> NormalizedName: """The normalised name of the project the candidate refers to""" if self._name is None: self._name = self.dist.canonical_name return self._name @property def name(self) -> str: return self.project_name @property def version(self) -> CandidateVersion: if self._version is None: self._version = self.dist.version return self._version def format_for_error(self) -> str: return "{} {} (from {})".format( self.name, self.version, self._link.file_path if self._link.is_file else self._link, ) def _prepare_distribution(self) -> BaseDistribution: raise NotImplementedError("Override in subclass") def _check_metadata_consistency(self, dist: BaseDistribution) -> None: """Check for consistency of project name and version of dist.""" if self._name is not None and self._name != dist.canonical_name: raise MetadataInconsistent( self._ireq, "name", self._name, dist.canonical_name, ) if self._version is not None and self._version != dist.version: raise MetadataInconsistent( self._ireq, "version", str(self._version), str(dist.version), ) def _prepare(self) -> BaseDistribution: try: dist = self._prepare_distribution() except HashError as e: # Provide HashError the underlying ireq that caused it. This # provides context for the resulting error message to show the # offending line to the user. e.req = self._ireq raise self._check_metadata_consistency(dist) return dist def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: requires = self.dist.iter_dependencies() if with_requires else () for r in requires: yield self._factory.make_requirement_from_spec(str(r), self._ireq) yield self._factory.make_requires_python_requirement(self.dist.requires_python) def get_install_requirement(self) -> Optional[InstallRequirement]: return self._ireq class LinkCandidate(_InstallRequirementBackedCandidate): is_editable = False def __init__( self, link: Link, template: InstallRequirement, factory: "Factory", name: Optional[NormalizedName] = None, version: Optional[CandidateVersion] = None, ) -> None: source_link = link cache_entry = factory.get_wheel_cache_entry(link, name) if cache_entry is not None: logger.debug("Using cached wheel link: %s", cache_entry.link) link = cache_entry.link ireq = make_install_req_from_link(link, template) assert ireq.link == link if ireq.link.is_wheel and not ireq.link.is_file: wheel = Wheel(ireq.link.filename) wheel_name = canonicalize_name(wheel.name) assert name == wheel_name, f"{name!r} != {wheel_name!r} for wheel" # Version may not be present for PEP 508 direct URLs if version is not None: wheel_version = Version(wheel.version) assert version == wheel_version, "{!r} != {!r} for wheel {}".format( version, wheel_version, name ) if ( cache_entry is not None and cache_entry.persistent and template.link is template.original_link ): ireq.original_link_is_in_wheel_cache = True super().__init__( link=link, source_link=source_link, ireq=ireq, factory=factory, name=name, version=version, ) def _prepare_distribution(self) -> BaseDistribution: preparer = self._factory.preparer return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) class EditableCandidate(_InstallRequirementBackedCandidate): is_editable = True def __init__( self, link: Link, template: InstallRequirement, factory: "Factory", name: Optional[NormalizedName] = None, version: Optional[CandidateVersion] = None, ) -> None: super().__init__( link=link, source_link=link, ireq=make_install_req_from_editable(link, template), factory=factory, name=name, version=version, ) def _prepare_distribution(self) -> BaseDistribution: return self._factory.preparer.prepare_editable_requirement(self._ireq) class AlreadyInstalledCandidate(Candidate): is_installed = True source_link = None def __init__( self, dist: BaseDistribution, template: InstallRequirement, factory: "Factory", ) -> None: self.dist = dist self._ireq = _make_install_req_from_dist(dist, template) self._factory = factory # This is just logging some messages, so we can do it eagerly. # The returned dist would be exactly the same as self.dist because we # set satisfied_by in _make_install_req_from_dist. # TODO: Supply reason based on force_reinstall and upgrade_strategy. skip_reason = "already satisfied" factory.preparer.prepare_installed_requirement(self._ireq, skip_reason) def __str__(self) -> str: return str(self.dist) def __repr__(self) -> str: return "{class_name}({distribution!r})".format( class_name=self.__class__.__name__, distribution=self.dist, ) def __hash__(self) -> int: return hash((self.__class__, self.name, self.version)) def __eq__(self, other: Any) -> bool: if isinstance(other, self.__class__): return self.name == other.name and self.version == other.version return False @property def project_name(self) -> NormalizedName: return self.dist.canonical_name @property def name(self) -> str: return self.project_name @property def version(self) -> CandidateVersion: return self.dist.version @property def is_editable(self) -> bool: return self.dist.editable def format_for_error(self) -> str: return f"{self.name} {self.version} (Installed)" def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: if not with_requires: return for r in self.dist.iter_dependencies(): yield self._factory.make_requirement_from_spec(str(r), self._ireq) def get_install_requirement(self) -> Optional[InstallRequirement]: return None class ExtrasCandidate(Candidate): """A candidate that has 'extras', indicating additional dependencies. Requirements can be for a project with dependencies, something like foo[extra]. The extras don't affect the project/version being installed directly, but indicate that we need additional dependencies. We model that by having an artificial ExtrasCandidate that wraps the "base" candidate. The ExtrasCandidate differs from the base in the following ways: 1. It has a unique name, of the form foo[extra]. This causes the resolver to treat it as a separate node in the dependency graph. 2. When we're getting the candidate's dependencies, a) We specify that we want the extra dependencies as well. b) We add a dependency on the base candidate. See below for why this is needed. 3. We return None for the underlying InstallRequirement, as the base candidate will provide it, and we don't want to end up with duplicates. The dependency on the base candidate is needed so that the resolver can't decide that it should recommend foo[extra1] version 1.0 and foo[extra2] version 2.0. Having those candidates depend on foo=1.0 and foo=2.0 respectively forces the resolver to recognise that this is a conflict. """ def __init__( self, base: BaseCandidate, extras: FrozenSet[str], ) -> None: self.base = base self.extras = extras def __str__(self) -> str: name, rest = str(self.base).split(" ", 1) return "{}[{}] {}".format(name, ",".join(self.extras), rest) def __repr__(self) -> str: return "{class_name}(base={base!r}, extras={extras!r})".format( class_name=self.__class__.__name__, base=self.base, extras=self.extras, ) def __hash__(self) -> int: return hash((self.base, self.extras)) def __eq__(self, other: Any) -> bool: if isinstance(other, self.__class__): return self.base == other.base and self.extras == other.extras return False @property def project_name(self) -> NormalizedName: return self.base.project_name @property def name(self) -> str: """The normalised name of the project the candidate refers to""" return format_name(self.base.project_name, self.extras) @property def version(self) -> CandidateVersion: return self.base.version def format_for_error(self) -> str: return "{} [{}]".format( self.base.format_for_error(), ", ".join(sorted(self.extras)) ) @property def is_installed(self) -> bool: return self.base.is_installed @property def is_editable(self) -> bool: return self.base.is_editable @property def source_link(self) -> Optional[Link]: return self.base.source_link def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: factory = self.base._factory # Add a dependency on the exact base # (See note 2b in the class docstring) yield factory.make_requirement_from_candidate(self.base) if not with_requires: return # The user may have specified extras that the candidate doesn't # support. We ignore any unsupported extras here. valid_extras = self.extras.intersection(self.base.dist.iter_provided_extras()) invalid_extras = self.extras.difference(self.base.dist.iter_provided_extras()) for extra in sorted(invalid_extras): logger.warning( "%s %s does not provide the extra '%s'", self.base.name, self.version, extra, ) for r in self.base.dist.iter_dependencies(valid_extras): requirement = factory.make_requirement_from_spec( str(r), self.base._ireq, valid_extras ) if requirement: yield requirement def get_install_requirement(self) -> Optional[InstallRequirement]: # We don't return anything here, because we always # depend on the base candidate, and we'll get the # install requirement from that. return None class RequiresPythonCandidate(Candidate): is_installed = False source_link = None def __init__(self, py_version_info: Optional[Tuple[int, ...]]) -> None: if py_version_info is not None: version_info = normalize_version_info(py_version_info) else: version_info = sys.version_info[:3] self._version = Version(".".join(str(c) for c in version_info)) # We don't need to implement __eq__() and __ne__() since there is always # only one RequiresPythonCandidate in a resolution, i.e. the host Python. # The built-in object.__eq__() and object.__ne__() do exactly what we want. def __str__(self) -> str: return f"Python {self._version}" @property def project_name(self) -> NormalizedName: return REQUIRES_PYTHON_IDENTIFIER @property def name(self) -> str: return REQUIRES_PYTHON_IDENTIFIER @property def version(self) -> CandidateVersion: return self._version def format_for_error(self) -> str: return f"Python {self.version}" def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: return () def get_install_requirement(self) -> Optional[InstallRequirement]: return None _internal/resolution/resolvelib/factory.py 0000644 00000065047 15114542002 0015117 0 ustar 00 import contextlib import functools import logging import sys from typing import ( TYPE_CHECKING, Dict, FrozenSet, Iterable, Iterator, List, Mapping, NamedTuple, Optional, Sequence, Set, Tuple, TypeVar, cast, ) from pip._vendor.packaging.requirements import InvalidRequirement from pip._vendor.packaging.specifiers import SpecifierSet from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._vendor.resolvelib import ResolutionImpossible from pip._internal.cache import CacheEntry, WheelCache from pip._internal.exceptions import ( DistributionNotFound, InstallationError, InstallationSubprocessError, MetadataInconsistent, UnsupportedPythonVersion, UnsupportedWheel, ) from pip._internal.index.package_finder import PackageFinder from pip._internal.locations import get_scheme from pip._internal.metadata import BaseDistribution, get_default_environment from pip._internal.models.link import Link from pip._internal.models.wheel import Wheel from pip._internal.operations.prepare import RequirementPreparer from pip._internal.req.constructors import install_req_from_link_and_ireq from pip._internal.req.req_install import ( InstallRequirement, check_invalid_constraint_type, ) from pip._internal.resolution.base import InstallRequirementProvider from pip._internal.utils.compatibility_tags import get_supported from pip._internal.utils.hashes import Hashes from pip._internal.utils.misc import dist_location from pip._internal.utils.packaging import get_requirement from pip._internal.utils.virtualenv import running_under_virtualenv from .base import Candidate, CandidateVersion, Constraint, Requirement from .candidates import ( AlreadyInstalledCandidate, BaseCandidate, EditableCandidate, ExtrasCandidate, LinkCandidate, RequiresPythonCandidate, as_base_candidate, ) from .found_candidates import FoundCandidates, IndexCandidateInfo from .requirements import ( ExplicitRequirement, RequiresPythonRequirement, SpecifierRequirement, UnsatisfiableRequirement, ) if TYPE_CHECKING: from typing import Protocol class ConflictCause(Protocol): requirement: RequiresPythonRequirement parent: Candidate logger = logging.getLogger(__name__) C = TypeVar("C") Cache = Dict[Link, C] class CollectedRootRequirements(NamedTuple): requirements: List[Requirement] constraints: Dict[str, Constraint] user_requested: Dict[str, int] class Factory: def __init__( self, finder: PackageFinder, preparer: RequirementPreparer, make_install_req: InstallRequirementProvider, wheel_cache: Optional[WheelCache], use_user_site: bool, force_reinstall: bool, ignore_installed: bool, ignore_requires_python: bool, py_version_info: Optional[Tuple[int, ...]] = None, ) -> None: self._finder = finder self.preparer = preparer self._wheel_cache = wheel_cache self._python_candidate = RequiresPythonCandidate(py_version_info) self._make_install_req_from_spec = make_install_req self._use_user_site = use_user_site self._force_reinstall = force_reinstall self._ignore_requires_python = ignore_requires_python self._build_failures: Cache[InstallationError] = {} self._link_candidate_cache: Cache[LinkCandidate] = {} self._editable_candidate_cache: Cache[EditableCandidate] = {} self._installed_candidate_cache: Dict[str, AlreadyInstalledCandidate] = {} self._extras_candidate_cache: Dict[ Tuple[int, FrozenSet[str]], ExtrasCandidate ] = {} if not ignore_installed: env = get_default_environment() self._installed_dists = { dist.canonical_name: dist for dist in env.iter_installed_distributions(local_only=False) } else: self._installed_dists = {} @property def force_reinstall(self) -> bool: return self._force_reinstall def _fail_if_link_is_unsupported_wheel(self, link: Link) -> None: if not link.is_wheel: return wheel = Wheel(link.filename) if wheel.supported(self._finder.target_python.get_tags()): return msg = f"{link.filename} is not a supported wheel on this platform." raise UnsupportedWheel(msg) def _make_extras_candidate( self, base: BaseCandidate, extras: FrozenSet[str] ) -> ExtrasCandidate: cache_key = (id(base), extras) try: candidate = self._extras_candidate_cache[cache_key] except KeyError: candidate = ExtrasCandidate(base, extras) self._extras_candidate_cache[cache_key] = candidate return candidate def _make_candidate_from_dist( self, dist: BaseDistribution, extras: FrozenSet[str], template: InstallRequirement, ) -> Candidate: try: base = self._installed_candidate_cache[dist.canonical_name] except KeyError: base = AlreadyInstalledCandidate(dist, template, factory=self) self._installed_candidate_cache[dist.canonical_name] = base if not extras: return base return self._make_extras_candidate(base, extras) def _make_candidate_from_link( self, link: Link, extras: FrozenSet[str], template: InstallRequirement, name: Optional[NormalizedName], version: Optional[CandidateVersion], ) -> Optional[Candidate]: # TODO: Check already installed candidate, and use it if the link and # editable flag match. if link in self._build_failures: # We already tried this candidate before, and it does not build. # Don't bother trying again. return None if template.editable: if link not in self._editable_candidate_cache: try: self._editable_candidate_cache[link] = EditableCandidate( link, template, factory=self, name=name, version=version, ) except (InstallationSubprocessError, MetadataInconsistent) as e: logger.warning("Discarding %s. %s", link, e) self._build_failures[link] = e return None base: BaseCandidate = self._editable_candidate_cache[link] else: if link not in self._link_candidate_cache: try: self._link_candidate_cache[link] = LinkCandidate( link, template, factory=self, name=name, version=version, ) except (InstallationSubprocessError, MetadataInconsistent) as e: logger.warning("Discarding %s. %s", link, e) self._build_failures[link] = e return None base = self._link_candidate_cache[link] if not extras: return base return self._make_extras_candidate(base, extras) def _iter_found_candidates( self, ireqs: Sequence[InstallRequirement], specifier: SpecifierSet, hashes: Hashes, prefers_installed: bool, incompatible_ids: Set[int], ) -> Iterable[Candidate]: if not ireqs: return () # The InstallRequirement implementation requires us to give it a # "template". Here we just choose the first requirement to represent # all of them. # Hopefully the Project model can correct this mismatch in the future. template = ireqs[0] assert template.req, "Candidates found on index must be PEP 508" name = canonicalize_name(template.req.name) extras: FrozenSet[str] = frozenset() for ireq in ireqs: assert ireq.req, "Candidates found on index must be PEP 508" specifier &= ireq.req.specifier hashes &= ireq.hashes(trust_internet=False) extras |= frozenset(ireq.extras) def _get_installed_candidate() -> Optional[Candidate]: """Get the candidate for the currently-installed version.""" # If --force-reinstall is set, we want the version from the index # instead, so we "pretend" there is nothing installed. if self._force_reinstall: return None try: installed_dist = self._installed_dists[name] except KeyError: return None # Don't use the installed distribution if its version does not fit # the current dependency graph. if not specifier.contains(installed_dist.version, prereleases=True): return None candidate = self._make_candidate_from_dist( dist=installed_dist, extras=extras, template=template, ) # The candidate is a known incompatiblity. Don't use it. if id(candidate) in incompatible_ids: return None return candidate def iter_index_candidate_infos() -> Iterator[IndexCandidateInfo]: result = self._finder.find_best_candidate( project_name=name, specifier=specifier, hashes=hashes, ) icans = list(result.iter_applicable()) # PEP 592: Yanked releases must be ignored unless only yanked # releases can satisfy the version range. So if this is false, # all yanked icans need to be skipped. all_yanked = all(ican.link.is_yanked for ican in icans) # PackageFinder returns earlier versions first, so we reverse. for ican in reversed(icans): if not all_yanked and ican.link.is_yanked: continue func = functools.partial( self._make_candidate_from_link, link=ican.link, extras=extras, template=template, name=name, version=ican.version, ) yield ican.version, func return FoundCandidates( iter_index_candidate_infos, _get_installed_candidate(), prefers_installed, incompatible_ids, ) def _iter_explicit_candidates_from_base( self, base_requirements: Iterable[Requirement], extras: FrozenSet[str], ) -> Iterator[Candidate]: """Produce explicit candidates from the base given an extra-ed package. :param base_requirements: Requirements known to the resolver. The requirements are guaranteed to not have extras. :param extras: The extras to inject into the explicit requirements' candidates. """ for req in base_requirements: lookup_cand, _ = req.get_candidate_lookup() if lookup_cand is None: # Not explicit. continue # We've stripped extras from the identifier, and should always # get a BaseCandidate here, unless there's a bug elsewhere. base_cand = as_base_candidate(lookup_cand) assert base_cand is not None, "no extras here" yield self._make_extras_candidate(base_cand, extras) def _iter_candidates_from_constraints( self, identifier: str, constraint: Constraint, template: InstallRequirement, ) -> Iterator[Candidate]: """Produce explicit candidates from constraints. This creates "fake" InstallRequirement objects that are basically clones of what "should" be the template, but with original_link set to link. """ for link in constraint.links: self._fail_if_link_is_unsupported_wheel(link) candidate = self._make_candidate_from_link( link, extras=frozenset(), template=install_req_from_link_and_ireq(link, template), name=canonicalize_name(identifier), version=None, ) if candidate: yield candidate def find_candidates( self, identifier: str, requirements: Mapping[str, Iterable[Requirement]], incompatibilities: Mapping[str, Iterator[Candidate]], constraint: Constraint, prefers_installed: bool, ) -> Iterable[Candidate]: # Collect basic lookup information from the requirements. explicit_candidates: Set[Candidate] = set() ireqs: List[InstallRequirement] = [] for req in requirements[identifier]: cand, ireq = req.get_candidate_lookup() if cand is not None: explicit_candidates.add(cand) if ireq is not None: ireqs.append(ireq) # If the current identifier contains extras, add explicit candidates # from entries from extra-less identifier. with contextlib.suppress(InvalidRequirement): parsed_requirement = get_requirement(identifier) explicit_candidates.update( self._iter_explicit_candidates_from_base( requirements.get(parsed_requirement.name, ()), frozenset(parsed_requirement.extras), ), ) # Add explicit candidates from constraints. We only do this if there are # kown ireqs, which represent requirements not already explicit. If # there are no ireqs, we're constraining already-explicit requirements, # which is handled later when we return the explicit candidates. if ireqs: try: explicit_candidates.update( self._iter_candidates_from_constraints( identifier, constraint, template=ireqs[0], ), ) except UnsupportedWheel: # If we're constrained to install a wheel incompatible with the # target architecture, no candidates will ever be valid. return () # Since we cache all the candidates, incompatibility identification # can be made quicker by comparing only the id() values. incompat_ids = {id(c) for c in incompatibilities.get(identifier, ())} # If none of the requirements want an explicit candidate, we can ask # the finder for candidates. if not explicit_candidates: return self._iter_found_candidates( ireqs, constraint.specifier, constraint.hashes, prefers_installed, incompat_ids, ) return ( c for c in explicit_candidates if id(c) not in incompat_ids and constraint.is_satisfied_by(c) and all(req.is_satisfied_by(c) for req in requirements[identifier]) ) def _make_requirement_from_install_req( self, ireq: InstallRequirement, requested_extras: Iterable[str] ) -> Optional[Requirement]: if not ireq.match_markers(requested_extras): logger.info( "Ignoring %s: markers '%s' don't match your environment", ireq.name, ireq.markers, ) return None if not ireq.link: return SpecifierRequirement(ireq) self._fail_if_link_is_unsupported_wheel(ireq.link) cand = self._make_candidate_from_link( ireq.link, extras=frozenset(ireq.extras), template=ireq, name=canonicalize_name(ireq.name) if ireq.name else None, version=None, ) if cand is None: # There's no way we can satisfy a URL requirement if the underlying # candidate fails to build. An unnamed URL must be user-supplied, so # we fail eagerly. If the URL is named, an unsatisfiable requirement # can make the resolver do the right thing, either backtrack (and # maybe find some other requirement that's buildable) or raise a # ResolutionImpossible eventually. if not ireq.name: raise self._build_failures[ireq.link] return UnsatisfiableRequirement(canonicalize_name(ireq.name)) return self.make_requirement_from_candidate(cand) def collect_root_requirements( self, root_ireqs: List[InstallRequirement] ) -> CollectedRootRequirements: collected = CollectedRootRequirements([], {}, {}) for i, ireq in enumerate(root_ireqs): if ireq.constraint: # Ensure we only accept valid constraints problem = check_invalid_constraint_type(ireq) if problem: raise InstallationError(problem) if not ireq.match_markers(): continue assert ireq.name, "Constraint must be named" name = canonicalize_name(ireq.name) if name in collected.constraints: collected.constraints[name] &= ireq else: collected.constraints[name] = Constraint.from_ireq(ireq) else: req = self._make_requirement_from_install_req( ireq, requested_extras=(), ) if req is None: continue if ireq.user_supplied and req.name not in collected.user_requested: collected.user_requested[req.name] = i collected.requirements.append(req) return collected def make_requirement_from_candidate( self, candidate: Candidate ) -> ExplicitRequirement: return ExplicitRequirement(candidate) def make_requirement_from_spec( self, specifier: str, comes_from: Optional[InstallRequirement], requested_extras: Iterable[str] = (), ) -> Optional[Requirement]: ireq = self._make_install_req_from_spec(specifier, comes_from) return self._make_requirement_from_install_req(ireq, requested_extras) def make_requires_python_requirement( self, specifier: SpecifierSet, ) -> Optional[Requirement]: if self._ignore_requires_python: return None # Don't bother creating a dependency for an empty Requires-Python. if not str(specifier): return None return RequiresPythonRequirement(specifier, self._python_candidate) def get_wheel_cache_entry( self, link: Link, name: Optional[str] ) -> Optional[CacheEntry]: """Look up the link in the wheel cache. If ``preparer.require_hashes`` is True, don't use the wheel cache, because cached wheels, always built locally, have different hashes than the files downloaded from the index server and thus throw false hash mismatches. Furthermore, cached wheels at present have nondeterministic contents due to file modification times. """ if self._wheel_cache is None or self.preparer.require_hashes: return None return self._wheel_cache.get_cache_entry( link=link, package_name=name, supported_tags=get_supported(), ) def get_dist_to_uninstall(self, candidate: Candidate) -> Optional[BaseDistribution]: # TODO: Are there more cases this needs to return True? Editable? dist = self._installed_dists.get(candidate.project_name) if dist is None: # Not installed, no uninstallation required. return None # Prevent uninstalling packages from /usr if dist_location(dist._dist) in ( get_scheme('', prefix=sys.base_prefix).purelib, get_scheme('', prefix=sys.base_prefix).platlib, ): return None # We're installing into global site. The current installation must # be uninstalled, no matter it's in global or user site, because the # user site installation has precedence over global. if not self._use_user_site: return dist # We're installing into user site. Remove the user site installation. if dist.in_usersite: return dist # We're installing into user site, but the installed incompatible # package is in global site. We can't uninstall that, and would let # the new user installation to "shadow" it. But shadowing won't work # in virtual environments, so we error out. if running_under_virtualenv() and dist.in_site_packages: message = ( f"Will not install to the user site because it will lack " f"sys.path precedence to {dist.raw_name} in {dist.location}" ) raise InstallationError(message) return None def _report_requires_python_error( self, causes: Sequence["ConflictCause"] ) -> UnsupportedPythonVersion: assert causes, "Requires-Python error reported with no cause" version = self._python_candidate.version if len(causes) == 1: specifier = str(causes[0].requirement.specifier) message = ( f"Package {causes[0].parent.name!r} requires a different " f"Python: {version} not in {specifier!r}" ) return UnsupportedPythonVersion(message) message = f"Packages require a different Python. {version} not in:" for cause in causes: package = cause.parent.format_for_error() specifier = str(cause.requirement.specifier) message += f"\n{specifier!r} (required by {package})" return UnsupportedPythonVersion(message) def _report_single_requirement_conflict( self, req: Requirement, parent: Optional[Candidate] ) -> DistributionNotFound: if parent is None: req_disp = str(req) else: req_disp = f"{req} (from {parent.name})" cands = self._finder.find_all_candidates(req.project_name) versions = [str(v) for v in sorted({c.version for c in cands})] logger.critical( "Could not find a version that satisfies the requirement %s " "(from versions: %s)", req_disp, ", ".join(versions) or "none", ) if str(req) == "requirements.txt": logger.info( "HINT: You are attempting to install a package literally " 'named "requirements.txt" (which cannot exist). Consider ' "using the '-r' flag to install the packages listed in " "requirements.txt" ) return DistributionNotFound(f"No matching distribution found for {req}") def get_installation_error( self, e: "ResolutionImpossible[Requirement, Candidate]", constraints: Dict[str, Constraint], ) -> InstallationError: assert e.causes, "Installation error reported with no cause" # If one of the things we can't solve is "we need Python X.Y", # that is what we report. requires_python_causes = [ cause for cause in e.causes if isinstance(cause.requirement, RequiresPythonRequirement) and not cause.requirement.is_satisfied_by(self._python_candidate) ] if requires_python_causes: # The comprehension above makes sure all Requirement instances are # RequiresPythonRequirement, so let's cast for convinience. return self._report_requires_python_error( cast("Sequence[ConflictCause]", requires_python_causes), ) # Otherwise, we have a set of causes which can't all be satisfied # at once. # The simplest case is when we have *one* cause that can't be # satisfied. We just report that case. if len(e.causes) == 1: req, parent = e.causes[0] if req.name not in constraints: return self._report_single_requirement_conflict(req, parent) # OK, we now have a list of requirements that can't all be # satisfied at once. # A couple of formatting helpers def text_join(parts: List[str]) -> str: if len(parts) == 1: return parts[0] return ", ".join(parts[:-1]) + " and " + parts[-1] def describe_trigger(parent: Candidate) -> str: ireq = parent.get_install_requirement() if not ireq or not ireq.comes_from: return f"{parent.name}=={parent.version}" if isinstance(ireq.comes_from, InstallRequirement): return str(ireq.comes_from.name) return str(ireq.comes_from) triggers = set() for req, parent in e.causes: if parent is None: # This is a root requirement, so we can report it directly trigger = req.format_for_error() else: trigger = describe_trigger(parent) triggers.add(trigger) if triggers: info = text_join(sorted(triggers)) else: info = "the requested packages" msg = ( "Cannot install {} because these package versions " "have conflicting dependencies.".format(info) ) logger.critical(msg) msg = "\nThe conflict is caused by:" relevant_constraints = set() for req, parent in e.causes: if req.name in constraints: relevant_constraints.add(req.name) msg = msg + "\n " if parent: msg = msg + f"{parent.name} {parent.version} depends on " else: msg = msg + "The user requested " msg = msg + req.format_for_error() for key in relevant_constraints: spec = constraints[key].specifier msg += f"\n The user requested (constraint) {key}{spec}" msg = ( msg + "\n\n" + "To fix this you could try to:\n" + "1. loosen the range of package versions you've specified\n" + "2. remove package versions to allow pip attempt to solve " + "the dependency conflict\n" ) logger.info(msg) return DistributionNotFound( "ResolutionImpossible: for help visit " "https://pip.pypa.io/en/latest/user_guide/" "#fixing-conflicting-dependencies" ) _internal/resolution/resolvelib/found_candidates.py 0000644 00000013111 15114542002 0016723 0 ustar 00 """Utilities to lazily create and visit candidates found. Creating and visiting a candidate is a *very* costly operation. It involves fetching, extracting, potentially building modules from source, and verifying distribution metadata. It is therefore crucial for performance to keep everything here lazy all the way down, so we only touch candidates that we absolutely need, and not "download the world" when we only need one version of something. """ import functools from collections.abc import Sequence from typing import TYPE_CHECKING, Any, Callable, Iterator, Optional, Set, Tuple from pip._vendor.packaging.version import _BaseVersion from .base import Candidate IndexCandidateInfo = Tuple[_BaseVersion, Callable[[], Optional[Candidate]]] if TYPE_CHECKING: SequenceCandidate = Sequence[Candidate] else: # For compatibility: Python before 3.9 does not support using [] on the # Sequence class. # # >>> from collections.abc import Sequence # >>> Sequence[str] # Traceback (most recent call last): # File "<stdin>", line 1, in <module> # TypeError: 'ABCMeta' object is not subscriptable # # TODO: Remove this block after dropping Python 3.8 support. SequenceCandidate = Sequence def _iter_built(infos: Iterator[IndexCandidateInfo]) -> Iterator[Candidate]: """Iterator for ``FoundCandidates``. This iterator is used when the package is not already installed. Candidates from index come later in their normal ordering. """ versions_found: Set[_BaseVersion] = set() for version, func in infos: if version in versions_found: continue candidate = func() if candidate is None: continue yield candidate versions_found.add(version) def _iter_built_with_prepended( installed: Candidate, infos: Iterator[IndexCandidateInfo] ) -> Iterator[Candidate]: """Iterator for ``FoundCandidates``. This iterator is used when the resolver prefers the already-installed candidate and NOT to upgrade. The installed candidate is therefore always yielded first, and candidates from index come later in their normal ordering, except skipped when the version is already installed. """ yield installed versions_found: Set[_BaseVersion] = {installed.version} for version, func in infos: if version in versions_found: continue candidate = func() if candidate is None: continue yield candidate versions_found.add(version) def _iter_built_with_inserted( installed: Candidate, infos: Iterator[IndexCandidateInfo] ) -> Iterator[Candidate]: """Iterator for ``FoundCandidates``. This iterator is used when the resolver prefers to upgrade an already-installed package. Candidates from index are returned in their normal ordering, except replaced when the version is already installed. The implementation iterates through and yields other candidates, inserting the installed candidate exactly once before we start yielding older or equivalent candidates, or after all other candidates if they are all newer. """ versions_found: Set[_BaseVersion] = set() for version, func in infos: if version in versions_found: continue # If the installed candidate is better, yield it first. if installed.version >= version: yield installed versions_found.add(installed.version) candidate = func() if candidate is None: continue yield candidate versions_found.add(version) # If the installed candidate is older than all other candidates. if installed.version not in versions_found: yield installed class FoundCandidates(SequenceCandidate): """A lazy sequence to provide candidates to the resolver. The intended usage is to return this from `find_matches()` so the resolver can iterate through the sequence multiple times, but only access the index page when remote packages are actually needed. This improve performances when suitable candidates are already installed on disk. """ def __init__( self, get_infos: Callable[[], Iterator[IndexCandidateInfo]], installed: Optional[Candidate], prefers_installed: bool, incompatible_ids: Set[int], ): self._get_infos = get_infos self._installed = installed self._prefers_installed = prefers_installed self._incompatible_ids = incompatible_ids def __getitem__(self, index: Any) -> Any: # Implemented to satisfy the ABC check. This is not needed by the # resolver, and should not be used by the provider either (for # performance reasons). raise NotImplementedError("don't do this") def __iter__(self) -> Iterator[Candidate]: infos = self._get_infos() if not self._installed: iterator = _iter_built(infos) elif self._prefers_installed: iterator = _iter_built_with_prepended(self._installed, infos) else: iterator = _iter_built_with_inserted(self._installed, infos) return (c for c in iterator if id(c) not in self._incompatible_ids) def __len__(self) -> int: # Implemented to satisfy the ABC check. This is not needed by the # resolver, and should not be used by the provider either (for # performance reasons). raise NotImplementedError("don't do this") @functools.lru_cache(maxsize=1) def __bool__(self) -> bool: if self._prefers_installed and self._installed: return True return any(self) _internal/resolution/resolvelib/provider.py 0000644 00000021765 15114542002 0015301 0 ustar 00 import collections import math from typing import TYPE_CHECKING, Dict, Iterable, Iterator, Mapping, Sequence, Union from pip._vendor.resolvelib.providers import AbstractProvider from .base import Candidate, Constraint, Requirement from .candidates import REQUIRES_PYTHON_IDENTIFIER from .factory import Factory if TYPE_CHECKING: from pip._vendor.resolvelib.providers import Preference from pip._vendor.resolvelib.resolvers import RequirementInformation PreferenceInformation = RequirementInformation[Requirement, Candidate] _ProviderBase = AbstractProvider[Requirement, Candidate, str] else: _ProviderBase = AbstractProvider # Notes on the relationship between the provider, the factory, and the # candidate and requirement classes. # # The provider is a direct implementation of the resolvelib class. Its role # is to deliver the API that resolvelib expects. # # Rather than work with completely abstract "requirement" and "candidate" # concepts as resolvelib does, pip has concrete classes implementing these two # ideas. The API of Requirement and Candidate objects are defined in the base # classes, but essentially map fairly directly to the equivalent provider # methods. In particular, `find_matches` and `is_satisfied_by` are # requirement methods, and `get_dependencies` is a candidate method. # # The factory is the interface to pip's internal mechanisms. It is stateless, # and is created by the resolver and held as a property of the provider. It is # responsible for creating Requirement and Candidate objects, and provides # services to those objects (access to pip's finder and preparer). class PipProvider(_ProviderBase): """Pip's provider implementation for resolvelib. :params constraints: A mapping of constraints specified by the user. Keys are canonicalized project names. :params ignore_dependencies: Whether the user specified ``--no-deps``. :params upgrade_strategy: The user-specified upgrade strategy. :params user_requested: A set of canonicalized package names that the user supplied for pip to install/upgrade. """ def __init__( self, factory: Factory, constraints: Dict[str, Constraint], ignore_dependencies: bool, upgrade_strategy: str, user_requested: Dict[str, int], ) -> None: self._factory = factory self._constraints = constraints self._ignore_dependencies = ignore_dependencies self._upgrade_strategy = upgrade_strategy self._user_requested = user_requested self._known_depths: Dict[str, float] = collections.defaultdict(lambda: math.inf) def identify(self, requirement_or_candidate: Union[Requirement, Candidate]) -> str: return requirement_or_candidate.name def get_preference( # type: ignore self, identifier: str, resolutions: Mapping[str, Candidate], candidates: Mapping[str, Iterator[Candidate]], information: Mapping[str, Iterable["PreferenceInformation"]], backtrack_causes: Sequence["PreferenceInformation"], ) -> "Preference": """Produce a sort key for given requirement based on preference. The lower the return value is, the more preferred this group of arguments is. Currently pip considers the followings in order: * Prefer if any of the known requirements is "direct", e.g. points to an explicit URL. * If equal, prefer if any requirement is "pinned", i.e. contains operator ``===`` or ``==``. * If equal, calculate an approximate "depth" and resolve requirements closer to the user-specified requirements first. * Order user-specified requirements by the order they are specified. * If equal, prefers "non-free" requirements, i.e. contains at least one operator, such as ``>=`` or ``<``. * If equal, order alphabetically for consistency (helps debuggability). """ lookups = (r.get_candidate_lookup() for r, _ in information[identifier]) candidate, ireqs = zip(*lookups) operators = [ specifier.operator for specifier_set in (ireq.specifier for ireq in ireqs if ireq) for specifier in specifier_set ] direct = candidate is not None pinned = any(op[:2] == "==" for op in operators) unfree = bool(operators) try: requested_order: Union[int, float] = self._user_requested[identifier] except KeyError: requested_order = math.inf parent_depths = ( self._known_depths[parent.name] if parent is not None else 0.0 for _, parent in information[identifier] ) inferred_depth = min(d for d in parent_depths) + 1.0 else: inferred_depth = 1.0 self._known_depths[identifier] = inferred_depth requested_order = self._user_requested.get(identifier, math.inf) # Requires-Python has only one candidate and the check is basically # free, so we always do it first to avoid needless work if it fails. requires_python = identifier == REQUIRES_PYTHON_IDENTIFIER # HACK: Setuptools have a very long and solid backward compatibility # track record, and extremely few projects would request a narrow, # non-recent version range of it since that would break a lot things. # (Most projects specify it only to request for an installer feature, # which does not work, but that's another topic.) Intentionally # delaying Setuptools helps reduce branches the resolver has to check. # This serves as a temporary fix for issues like "apache-airlfow[all]" # while we work on "proper" branch pruning techniques. delay_this = identifier == "setuptools" # Prefer the causes of backtracking on the assumption that the problem # resolving the dependency tree is related to the failures that caused # the backtracking backtrack_cause = self.is_backtrack_cause(identifier, backtrack_causes) return ( not requires_python, delay_this, not direct, not pinned, not backtrack_cause, inferred_depth, requested_order, not unfree, identifier, ) def _get_constraint(self, identifier: str) -> Constraint: if identifier in self._constraints: return self._constraints[identifier] # HACK: Theoratically we should check whether this identifier is a valid # "NAME[EXTRAS]" format, and parse out the name part with packaging or # some regular expression. But since pip's resolver only spits out # three kinds of identifiers: normalized PEP 503 names, normalized names # plus extras, and Requires-Python, we can cheat a bit here. name, open_bracket, _ = identifier.partition("[") if open_bracket and name in self._constraints: return self._constraints[name] return Constraint.empty() def find_matches( self, identifier: str, requirements: Mapping[str, Iterator[Requirement]], incompatibilities: Mapping[str, Iterator[Candidate]], ) -> Iterable[Candidate]: def _eligible_for_upgrade(name: str) -> bool: """Are upgrades allowed for this project? This checks the upgrade strategy, and whether the project was one that the user specified in the command line, in order to decide whether we should upgrade if there's a newer version available. (Note that we don't need access to the `--upgrade` flag, because an upgrade strategy of "to-satisfy-only" means that `--upgrade` was not specified). """ if self._upgrade_strategy == "eager": return True elif self._upgrade_strategy == "only-if-needed": return name in self._user_requested return False return self._factory.find_candidates( identifier=identifier, requirements=requirements, constraint=self._get_constraint(identifier), prefers_installed=(not _eligible_for_upgrade(identifier)), incompatibilities=incompatibilities, ) def is_satisfied_by(self, requirement: Requirement, candidate: Candidate) -> bool: return requirement.is_satisfied_by(candidate) def get_dependencies(self, candidate: Candidate) -> Sequence[Requirement]: with_requires = not self._ignore_dependencies return [r for r in candidate.iter_dependencies(with_requires) if r is not None] @staticmethod def is_backtrack_cause( identifier: str, backtrack_causes: Sequence["PreferenceInformation"] ) -> bool: for backtrack_cause in backtrack_causes: if identifier == backtrack_cause.requirement.name: return True if backtrack_cause.parent and identifier == backtrack_cause.parent.name: return True return False _internal/resolution/resolvelib/reporter.py 0000644 00000004736 15114542002 0015310 0 ustar 00 from collections import defaultdict from logging import getLogger from typing import Any, DefaultDict from pip._vendor.resolvelib.reporters import BaseReporter from .base import Candidate, Requirement logger = getLogger(__name__) class PipReporter(BaseReporter): def __init__(self) -> None: self.backtracks_by_package: DefaultDict[str, int] = defaultdict(int) self._messages_at_backtrack = { 1: ( "pip is looking at multiple versions of {package_name} to " "determine which version is compatible with other " "requirements. This could take a while." ), 8: ( "pip is looking at multiple versions of {package_name} to " "determine which version is compatible with other " "requirements. This could take a while." ), 13: ( "This is taking longer than usual. You might need to provide " "the dependency resolver with stricter constraints to reduce " "runtime. See https://pip.pypa.io/warnings/backtracking for " "guidance. If you want to abort this run, press Ctrl + C." ), } def backtracking(self, candidate: Candidate) -> None: self.backtracks_by_package[candidate.name] += 1 count = self.backtracks_by_package[candidate.name] if count not in self._messages_at_backtrack: return message = self._messages_at_backtrack[count] logger.info("INFO: %s", message.format(package_name=candidate.name)) class PipDebuggingReporter(BaseReporter): """A reporter that does an info log for every event it sees.""" def starting(self) -> None: logger.info("Reporter.starting()") def starting_round(self, index: int) -> None: logger.info("Reporter.starting_round(%r)", index) def ending_round(self, index: int, state: Any) -> None: logger.info("Reporter.ending_round(%r, state)", index) def ending(self, state: Any) -> None: logger.info("Reporter.ending(%r)", state) def adding_requirement(self, requirement: Requirement, parent: Candidate) -> None: logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent) def backtracking(self, candidate: Candidate) -> None: logger.info("Reporter.backtracking(%r)", candidate) def pinning(self, candidate: Candidate) -> None: logger.info("Reporter.pinning(%r)", candidate) _internal/resolution/resolvelib/requirements.py 0000644 00000012517 15114542002 0016165 0 ustar 00 from pip._vendor.packaging.specifiers import SpecifierSet from pip._vendor.packaging.utils import NormalizedName, canonicalize_name from pip._internal.req.req_install import InstallRequirement from .base import Candidate, CandidateLookup, Requirement, format_name class ExplicitRequirement(Requirement): def __init__(self, candidate: Candidate) -> None: self.candidate = candidate def __str__(self) -> str: return str(self.candidate) def __repr__(self) -> str: return "{class_name}({candidate!r})".format( class_name=self.__class__.__name__, candidate=self.candidate, ) @property def project_name(self) -> NormalizedName: # No need to canonicalise - the candidate did this return self.candidate.project_name @property def name(self) -> str: # No need to canonicalise - the candidate did this return self.candidate.name def format_for_error(self) -> str: return self.candidate.format_for_error() def get_candidate_lookup(self) -> CandidateLookup: return self.candidate, None def is_satisfied_by(self, candidate: Candidate) -> bool: return candidate == self.candidate class SpecifierRequirement(Requirement): def __init__(self, ireq: InstallRequirement) -> None: assert ireq.link is None, "This is a link, not a specifier" self._ireq = ireq self._extras = frozenset(ireq.extras) def __str__(self) -> str: return str(self._ireq.req) def __repr__(self) -> str: return "{class_name}({requirement!r})".format( class_name=self.__class__.__name__, requirement=str(self._ireq.req), ) @property def project_name(self) -> NormalizedName: assert self._ireq.req, "Specifier-backed ireq is always PEP 508" return canonicalize_name(self._ireq.req.name) @property def name(self) -> str: return format_name(self.project_name, self._extras) def format_for_error(self) -> str: # Convert comma-separated specifiers into "A, B, ..., F and G" # This makes the specifier a bit more "human readable", without # risking a change in meaning. (Hopefully! Not all edge cases have # been checked) parts = [s.strip() for s in str(self).split(",")] if len(parts) == 0: return "" elif len(parts) == 1: return parts[0] return ", ".join(parts[:-1]) + " and " + parts[-1] def get_candidate_lookup(self) -> CandidateLookup: return None, self._ireq def is_satisfied_by(self, candidate: Candidate) -> bool: assert candidate.name == self.name, ( f"Internal issue: Candidate is not for this requirement " f"{candidate.name} vs {self.name}" ) # We can safely always allow prereleases here since PackageFinder # already implements the prerelease logic, and would have filtered out # prerelease candidates if the user does not expect them. assert self._ireq.req, "Specifier-backed ireq is always PEP 508" spec = self._ireq.req.specifier return spec.contains(candidate.version, prereleases=True) class RequiresPythonRequirement(Requirement): """A requirement representing Requires-Python metadata.""" def __init__(self, specifier: SpecifierSet, match: Candidate) -> None: self.specifier = specifier self._candidate = match def __str__(self) -> str: return f"Python {self.specifier}" def __repr__(self) -> str: return "{class_name}({specifier!r})".format( class_name=self.__class__.__name__, specifier=str(self.specifier), ) @property def project_name(self) -> NormalizedName: return self._candidate.project_name @property def name(self) -> str: return self._candidate.name def format_for_error(self) -> str: return str(self) def get_candidate_lookup(self) -> CandidateLookup: if self.specifier.contains(self._candidate.version, prereleases=True): return self._candidate, None return None, None def is_satisfied_by(self, candidate: Candidate) -> bool: assert candidate.name == self._candidate.name, "Not Python candidate" # We can safely always allow prereleases here since PackageFinder # already implements the prerelease logic, and would have filtered out # prerelease candidates if the user does not expect them. return self.specifier.contains(candidate.version, prereleases=True) class UnsatisfiableRequirement(Requirement): """A requirement that cannot be satisfied.""" def __init__(self, name: NormalizedName) -> None: self._name = name def __str__(self) -> str: return f"{self._name} (unavailable)" def __repr__(self) -> str: return "{class_name}({name!r})".format( class_name=self.__class__.__name__, name=str(self._name), ) @property def project_name(self) -> NormalizedName: return self._name @property def name(self) -> str: return self._name def format_for_error(self) -> str: return str(self) def get_candidate_lookup(self) -> CandidateLookup: return None, None def is_satisfied_by(self, candidate: Candidate) -> bool: return False _internal/resolution/resolvelib/resolver.py 0000644 00000022554 15114542002 0015305 0 ustar 00 import functools import logging import os from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple, cast from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.resolvelib import BaseReporter, ResolutionImpossible from pip._vendor.resolvelib import Resolver as RLResolver from pip._vendor.resolvelib.structs import DirectedGraph from pip._internal.cache import WheelCache from pip._internal.index.package_finder import PackageFinder from pip._internal.operations.prepare import RequirementPreparer from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_set import RequirementSet from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider from pip._internal.resolution.resolvelib.provider import PipProvider from pip._internal.resolution.resolvelib.reporter import ( PipDebuggingReporter, PipReporter, ) from .base import Candidate, Requirement from .factory import Factory if TYPE_CHECKING: from pip._vendor.resolvelib.resolvers import Result as RLResult Result = RLResult[Requirement, Candidate, str] logger = logging.getLogger(__name__) class Resolver(BaseResolver): _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"} def __init__( self, preparer: RequirementPreparer, finder: PackageFinder, wheel_cache: Optional[WheelCache], make_install_req: InstallRequirementProvider, use_user_site: bool, ignore_dependencies: bool, ignore_installed: bool, ignore_requires_python: bool, force_reinstall: bool, upgrade_strategy: str, py_version_info: Optional[Tuple[int, ...]] = None, ): super().__init__() assert upgrade_strategy in self._allowed_strategies self.factory = Factory( finder=finder, preparer=preparer, make_install_req=make_install_req, wheel_cache=wheel_cache, use_user_site=use_user_site, force_reinstall=force_reinstall, ignore_installed=ignore_installed, ignore_requires_python=ignore_requires_python, py_version_info=py_version_info, ) self.ignore_dependencies = ignore_dependencies self.upgrade_strategy = upgrade_strategy self._result: Optional[Result] = None def resolve( self, root_reqs: List[InstallRequirement], check_supported_wheels: bool ) -> RequirementSet: collected = self.factory.collect_root_requirements(root_reqs) provider = PipProvider( factory=self.factory, constraints=collected.constraints, ignore_dependencies=self.ignore_dependencies, upgrade_strategy=self.upgrade_strategy, user_requested=collected.user_requested, ) if "PIP_RESOLVER_DEBUG" in os.environ: reporter: BaseReporter = PipDebuggingReporter() else: reporter = PipReporter() resolver: RLResolver[Requirement, Candidate, str] = RLResolver( provider, reporter, ) try: try_to_avoid_resolution_too_deep = 2000000 result = self._result = resolver.resolve( collected.requirements, max_rounds=try_to_avoid_resolution_too_deep ) except ResolutionImpossible as e: error = self.factory.get_installation_error( cast("ResolutionImpossible[Requirement, Candidate]", e), collected.constraints, ) raise error from e req_set = RequirementSet(check_supported_wheels=check_supported_wheels) for candidate in result.mapping.values(): ireq = candidate.get_install_requirement() if ireq is None: continue # Check if there is already an installation under the same name, # and set a flag for later stages to uninstall it, if needed. installed_dist = self.factory.get_dist_to_uninstall(candidate) if installed_dist is None: # There is no existing installation -- nothing to uninstall. ireq.should_reinstall = False elif self.factory.force_reinstall: # The --force-reinstall flag is set -- reinstall. ireq.should_reinstall = True elif installed_dist.version != candidate.version: # The installation is different in version -- reinstall. ireq.should_reinstall = True elif candidate.is_editable or installed_dist.editable: # The incoming distribution is editable, or different in # editable-ness to installation -- reinstall. ireq.should_reinstall = True elif candidate.source_link and candidate.source_link.is_file: # The incoming distribution is under file:// if candidate.source_link.is_wheel: # is a local wheel -- do nothing. logger.info( "%s is already installed with the same version as the " "provided wheel. Use --force-reinstall to force an " "installation of the wheel.", ireq.name, ) continue # is a local sdist or path -- reinstall ireq.should_reinstall = True else: continue link = candidate.source_link if link and link.is_yanked: # The reason can contain non-ASCII characters, Unicode # is required for Python 2. msg = ( "The candidate selected for download or install is a " "yanked version: {name!r} candidate (version {version} " "at {link})\nReason for being yanked: {reason}" ).format( name=candidate.name, version=candidate.version, link=link, reason=link.yanked_reason or "<none given>", ) logger.warning(msg) req_set.add_named_requirement(ireq) reqs = req_set.all_requirements self.factory.preparer.prepare_linked_requirements_more(reqs) return req_set def get_installation_order( self, req_set: RequirementSet ) -> List[InstallRequirement]: """Get order for installation of requirements in RequirementSet. The returned list contains a requirement before another that depends on it. This helps ensure that the environment is kept consistent as they get installed one-by-one. The current implementation creates a topological ordering of the dependency graph, while breaking any cycles in the graph at arbitrary points. We make no guarantees about where the cycle would be broken, other than they would be broken. """ assert self._result is not None, "must call resolve() first" graph = self._result.graph weights = get_topological_weights( graph, expected_node_count=len(self._result.mapping) + 1, ) sorted_items = sorted( req_set.requirements.items(), key=functools.partial(_req_set_item_sorter, weights=weights), reverse=True, ) return [ireq for _, ireq in sorted_items] def get_topological_weights( graph: "DirectedGraph[Optional[str]]", expected_node_count: int ) -> Dict[Optional[str], int]: """Assign weights to each node based on how "deep" they are. This implementation may change at any point in the future without prior notice. We take the length for the longest path to any node from root, ignoring any paths that contain a single node twice (i.e. cycles). This is done through a depth-first search through the graph, while keeping track of the path to the node. Cycles in the graph result would result in node being revisited while also being it's own path. In this case, take no action. This helps ensure we don't get stuck in a cycle. When assigning weight, the longer path (i.e. larger length) is preferred. """ path: Set[Optional[str]] = set() weights: Dict[Optional[str], int] = {} def visit(node: Optional[str]) -> None: if node in path: # We hit a cycle, so we'll break it here. return # Time to visit the children! path.add(node) for child in graph.iter_children(node): visit(child) path.remove(node) last_known_parent_count = weights.get(node, 0) weights[node] = max(last_known_parent_count, len(path)) # `None` is guaranteed to be the root node by resolvelib. visit(None) # Sanity checks assert weights[None] == 0 assert len(weights) == expected_node_count return weights def _req_set_item_sorter( item: Tuple[str, InstallRequirement], weights: Dict[Optional[str], int], ) -> Tuple[int, str]: """Key function used to sort install requirements for installation. Based on the "weight" mapping calculated in ``get_installation_order()``. The canonical package name is returned as the second member as a tie- breaker to ensure the result is predictable, which is useful in tests. """ name = canonicalize_name(item[0]) return weights[name], name _internal/resolution/__init__.py 0000644 00000000000 15114542002 0013013 0 ustar 00 _internal/resolution/base.py 0000644 00000001107 15114542002 0012177 0 ustar 00 from typing import Callable, List, Optional from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_set import RequirementSet InstallRequirementProvider = Callable[ [str, Optional[InstallRequirement]], InstallRequirement ] class BaseResolver: def resolve( self, root_reqs: List[InstallRequirement], check_supported_wheels: bool ) -> RequirementSet: raise NotImplementedError() def get_installation_order( self, req_set: RequirementSet ) -> List[InstallRequirement]: raise NotImplementedError() _internal/utils/__pycache__/filesystem.cpython-39.pyc 0000644 00000011755 15114542002 0016707 0 ustar 00 a [��f � @ s� d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlmZ d dl m Z d dl m Z m Z mZmZmZmZ d dlmZmZmZ d dlmZ d dlmZ eed�d d �Z eedd �d d �Z eed�dd�Z eee ee d�dd��Z eded�ed�d�Z e ej!�Z!eed�dd�Z"eed�dd�Z#eeee d�d d �Z$eee%e&f d�d d �Z'eed�d d!�Z(eee%e&f d�d"d#�Z)eed�d$d%�Z*dS )&� N)�contextmanager)�NamedTemporaryFile)�Any�BinaryIO�Iterator�List�Union�cast)�retry�stop_after_delay� wait_fixed)� get_path_uid)� format_size)�path�returnc C s� t jdksttd�sdS tj�| �s(J �d }| |kr�tj�| �r�t�� dkrvz t| �}W n t yl Y dS 0 |dkS t� | tj �S q,| tj� | � }} q,dS )N�win32�geteuidTr F) �sys�platform�hasattr�osr �isabs�lexistsr r �OSError�access�W_OK�dirname)r ZpreviousZpath_uid� r �B/usr/lib/python3.9/site-packages/pip/_internal/utils/filesystem.py�check_path_owner s r )�src�destr c C sn zt �| |� W nX tyh | |fD ]:}z t|�}W n tyH Y q&0 |r&t �d|� d���q&� Y n0 dS )z�Wrap shutil.copy2() but map errors copying socket files to SpecialFileError as expected. 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N) r �appendr r r r r r r r )r Zsitesr ZsiteZegglinkr r r r * s )r r r �typingr Zpip._internal.locationsr r Z pip._internal.utils.virtualenvr r �__all__�strr r r r r r r �<module> s � _internal/utils/egg_link.py 0000644 00000004233 15114542002 0012004 0 ustar 00 # The following comment should be removed at some point in the future. # mypy: strict-optional=False import os import re import sys from typing import Optional from pip._internal.locations import site_packages, user_site from pip._internal.utils.virtualenv import ( running_under_virtualenv, virtualenv_no_global, ) __all__ = [ "egg_link_path_from_sys_path", "egg_link_path_from_location", ] def _egg_link_name(raw_name: str) -> str: """ Convert a Name metadata value to a .egg-link name, by applying the same substitution as pkg_resources's safe_name function. Note: we cannot use canonicalize_name because it has a different logic. """ return re.sub("[^A-Za-z0-9.]+", "-", raw_name) + ".egg-link" def egg_link_path_from_sys_path(raw_name: str) -> Optional[str]: """ Look for a .egg-link file for project name, by walking sys.path. """ egg_link_name = _egg_link_name(raw_name) for path_item in sys.path: egg_link = os.path.join(path_item, egg_link_name) if os.path.isfile(egg_link): return egg_link return None def egg_link_path_from_location(raw_name: str) -> Optional[str]: """ Return the path for the .egg-link file if it exists, otherwise, None. There's 3 scenarios: 1) not in a virtualenv try to find in site.USER_SITE, then site_packages 2) in a no-global virtualenv try to find in site_packages 3) in a yes-global virtualenv try to find in site_packages, then site.USER_SITE (don't look in global location) For #1 and #3, there could be odd cases, where there's an egg-link in 2 locations. This method will just return the first one found. """ sites = [] if running_under_virtualenv(): sites.append(site_packages) if not virtualenv_no_global() and user_site: sites.append(user_site) else: if user_site: sites.append(user_site) sites.append(site_packages) egg_link_name = _egg_link_name(raw_name) for site in sites: egglink = os.path.join(site, egg_link_name) if os.path.isfile(egglink): return egglink return None _internal/utils/__init__.py 0000644 00000000000 15114542002 0011750 0 ustar 00 _internal/utils/_log.py 0000644 00000001767 15114542002 0011156 0 ustar 00 """Customize logging Defines custom logger class for the `logger.verbose(...)` method. init_logging() must be called before any other modules that call logging.getLogger. """ import logging from typing import Any, cast # custom log level for `--verbose` output # between DEBUG and INFO VERBOSE = 15 class VerboseLogger(logging.Logger): """Custom Logger, defining a verbose log-level VERBOSE is between INFO and DEBUG. """ def verbose(self, msg: str, *args: Any, **kwargs: Any) -> None: return self.log(VERBOSE, msg, *args, **kwargs) def getLogger(name: str) -> VerboseLogger: """logging.getLogger, but ensures our VerboseLogger class is returned""" return cast(VerboseLogger, logging.getLogger(name)) def init_logging() -> None: """Register our VerboseLogger and VERBOSE log level. Should be called before any calls to getLogger(), i.e. in pip._internal.__init__ """ logging.setLoggerClass(VerboseLogger) logging.addLevelName(VERBOSE, "VERBOSE") _internal/utils/appdirs.py 0000644 00000003201 15114542002 0011661 0 ustar 00 """ This code wraps the vendored appdirs module to so the return values are compatible for the current pip code base. The intention is to rewrite current usages gradually, keeping the tests pass, and eventually drop this after all usages are changed. """ import os import sys from typing import List from pip._vendor import platformdirs as _appdirs def user_cache_dir(appname: str) -> str: return _appdirs.user_cache_dir(appname, appauthor=False) def _macos_user_config_dir(appname: str, roaming: bool = True) -> str: # Use ~/Application Support/pip, if the directory exists. path = _appdirs.user_data_dir(appname, appauthor=False, roaming=roaming) if os.path.isdir(path): return path # Use a Linux-like ~/.config/pip, by default. linux_like_path = "~/.config/" if appname: linux_like_path = os.path.join(linux_like_path, appname) return os.path.expanduser(linux_like_path) def user_config_dir(appname: str, roaming: bool = True) -> str: if sys.platform == "darwin": return _macos_user_config_dir(appname, roaming) return _appdirs.user_config_dir(appname, appauthor=False, roaming=roaming) # for the discussion regarding site_config_dir locations # see <https://github.com/pypa/pip/issues/1733> def site_config_dirs(appname: str) -> List[str]: if sys.platform == "darwin": return [_appdirs.site_data_dir(appname, appauthor=False, multipath=True)] dirval = _appdirs.site_config_dir(appname, appauthor=False, multipath=True) if sys.platform == "win32": return [dirval] # Unix-y system. Look in /etc as well. return dirval.split(os.pathsep) + ["/etc"] _internal/utils/compat.py 0000644 00000003534 15114542002 0011513 0 ustar 00 """Stuff that differs in different Python versions and platform distributions.""" import logging import os import sys __all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"] logger = logging.getLogger(__name__) def has_tls() -> bool: try: import _ssl # noqa: F401 # ignore unused return True except ImportError: pass from pip._vendor.urllib3.util import IS_PYOPENSSL return IS_PYOPENSSL def get_path_uid(path: str) -> int: """ Return path's uid. Does not follow symlinks: https://github.com/pypa/pip/pull/935#discussion_r5307003 Placed this function in compat due to differences on AIX and Jython, that should eventually go away. :raises OSError: When path is a symlink or can't be read. """ if hasattr(os, "O_NOFOLLOW"): fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW) file_uid = os.fstat(fd).st_uid os.close(fd) else: # AIX and Jython # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW if not os.path.islink(path): # older versions of Jython don't have `os.fstat` file_uid = os.stat(path).st_uid else: # raise OSError for parity with os.O_NOFOLLOW above raise OSError(f"{path} is a symlink; Will not return uid for symlinks") return file_uid # packages in the stdlib that may have installation metadata, but should not be # considered 'installed'. this theoretically could be determined based on # dist.location (py27:`sysconfig.get_paths()['stdlib']`, # py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may # make this ineffective, so hard-coding stdlib_pkgs = {"python", "wsgiref", "argparse"} # windows detection, covers cpython and ironpython WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt") _internal/utils/compatibility_tags.py 0000644 00000012401 15114542002 0014110 0 ustar 00 """Generate and work with PEP 425 Compatibility Tags. """ import re from typing import List, Optional, Tuple from pip._vendor.packaging.tags import ( PythonVersion, Tag, compatible_tags, cpython_tags, generic_tags, interpreter_name, interpreter_version, mac_platforms, ) _osx_arch_pat = re.compile(r"(.+)_(\d+)_(\d+)_(.+)") def version_info_to_nodot(version_info: Tuple[int, ...]) -> str: # Only use up to the first two numbers. return "".join(map(str, version_info[:2])) def _mac_platforms(arch: str) -> List[str]: match = _osx_arch_pat.match(arch) if match: name, major, minor, actual_arch = match.groups() mac_version = (int(major), int(minor)) arches = [ # Since we have always only checked that the platform starts # with "macosx", for backwards-compatibility we extract the # actual prefix provided by the user in case they provided # something like "macosxcustom_". It may be good to remove # this as undocumented or deprecate it in the future. "{}_{}".format(name, arch[len("macosx_") :]) for arch in mac_platforms(mac_version, actual_arch) ] else: # arch pattern didn't match (?!) arches = [arch] return arches def _custom_manylinux_platforms(arch: str) -> List[str]: arches = [arch] arch_prefix, arch_sep, arch_suffix = arch.partition("_") if arch_prefix == "manylinux2014": # manylinux1/manylinux2010 wheels run on most manylinux2014 systems # with the exception of wheels depending on ncurses. PEP 599 states # manylinux1/manylinux2010 wheels should be considered # manylinux2014 wheels: # https://www.python.org/dev/peps/pep-0599/#backwards-compatibility-with-manylinux2010-wheels if arch_suffix in {"i686", "x86_64"}: arches.append("manylinux2010" + arch_sep + arch_suffix) arches.append("manylinux1" + arch_sep + arch_suffix) elif arch_prefix == "manylinux2010": # manylinux1 wheels run on most manylinux2010 systems with the # exception of wheels depending on ncurses. PEP 571 states # manylinux1 wheels should be considered manylinux2010 wheels: # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels arches.append("manylinux1" + arch_sep + arch_suffix) return arches def _get_custom_platforms(arch: str) -> List[str]: arch_prefix, arch_sep, arch_suffix = arch.partition("_") if arch.startswith("macosx"): arches = _mac_platforms(arch) elif arch_prefix in ["manylinux2014", "manylinux2010"]: arches = _custom_manylinux_platforms(arch) else: arches = [arch] return arches def _expand_allowed_platforms(platforms: Optional[List[str]]) -> Optional[List[str]]: if not platforms: return None seen = set() result = [] for p in platforms: if p in seen: continue additions = [c for c in _get_custom_platforms(p) if c not in seen] seen.update(additions) result.extend(additions) return result def _get_python_version(version: str) -> PythonVersion: if len(version) > 1: return int(version[0]), int(version[1:]) else: return (int(version[0]),) def _get_custom_interpreter( implementation: Optional[str] = None, version: Optional[str] = None ) -> str: if implementation is None: implementation = interpreter_name() if version is None: version = interpreter_version() return f"{implementation}{version}" def get_supported( version: Optional[str] = None, platforms: Optional[List[str]] = None, impl: Optional[str] = None, abis: Optional[List[str]] = None, ) -> List[Tag]: """Return a list of supported tags for each version specified in `versions`. :param version: a string version, of the form "33" or "32", or None. The version will be assumed to support our ABI. :param platform: specify a list of platforms you want valid tags for, or None. If None, use the local system platform. :param impl: specify the exact implementation you want valid tags for, or None. If None, use the local interpreter impl. :param abis: specify a list of abis you want valid tags for, or None. If None, use the local interpreter abi. """ supported: List[Tag] = [] python_version: Optional[PythonVersion] = None if version is not None: python_version = _get_python_version(version) interpreter = _get_custom_interpreter(impl, version) platforms = _expand_allowed_platforms(platforms) is_cpython = (impl or interpreter_name()) == "cp" if is_cpython: supported.extend( cpython_tags( python_version=python_version, abis=abis, platforms=platforms, ) ) else: supported.extend( generic_tags( interpreter=interpreter, abis=abis, platforms=platforms, ) ) supported.extend( compatible_tags( python_version=python_version, interpreter=interpreter, platforms=platforms, ) ) return supported _internal/utils/datetime.py 0000644 00000000362 15114542002 0012020 0 ustar 00 """For when pip wants to check the date or time. """ import datetime def today_is_later_than(year: int, month: int, day: int) -> bool: today = datetime.date.today() given = datetime.date(year, month, day) return today > given _internal/utils/deprecation.py 0000644 00000007053 15114542002 0012525 0 ustar 00 """ A module that implements tooling to enable easy warnings about deprecations. """ import logging import warnings from typing import Any, Optional, TextIO, Type, Union from pip._vendor.packaging.version import parse from pip import __version__ as current_version # NOTE: tests patch this name. DEPRECATION_MSG_PREFIX = "DEPRECATION: " class PipDeprecationWarning(Warning): pass _original_showwarning: Any = None # Warnings <-> Logging Integration def _showwarning( message: Union[Warning, str], category: Type[Warning], filename: str, lineno: int, file: Optional[TextIO] = None, line: Optional[str] = None, ) -> None: if file is not None: if _original_showwarning is not None: _original_showwarning(message, category, filename, lineno, file, line) elif issubclass(category, PipDeprecationWarning): # We use a specially named logger which will handle all of the # deprecation messages for pip. logger = logging.getLogger("pip._internal.deprecations") logger.warning(message) else: _original_showwarning(message, category, filename, lineno, file, line) def install_warning_logger() -> None: # Enable our Deprecation Warnings warnings.simplefilter("default", PipDeprecationWarning, append=True) global _original_showwarning if _original_showwarning is None: _original_showwarning = warnings.showwarning warnings.showwarning = _showwarning def deprecated( *, reason: str, replacement: Optional[str], gone_in: Optional[str], feature_flag: Optional[str] = None, issue: Optional[int] = None, ) -> None: """Helper to deprecate existing functionality. reason: Textual reason shown to the user about why this functionality has been deprecated. Should be a complete sentence. replacement: Textual suggestion shown to the user about what alternative functionality they can use. gone_in: The version of pip does this functionality should get removed in. Raises an error if pip's current version is greater than or equal to this. feature_flag: Command-line flag of the form --use-feature={feature_flag} for testing upcoming functionality. issue: Issue number on the tracker that would serve as a useful place for users to find related discussion and provide feedback. """ # Determine whether or not the feature is already gone in this version. is_gone = gone_in is not None and parse(current_version) >= parse(gone_in) message_parts = [ (reason, f"{DEPRECATION_MSG_PREFIX}{{}}"), ( gone_in, "pip {} will enforce this behaviour change." if not is_gone else "Since pip {}, this is no longer supported.", ), ( replacement, "A possible replacement is {}.", ), ( feature_flag, "You can use the flag --use-feature={} to test the upcoming behaviour." if not is_gone else None, ), ( issue, "Discussion can be found at https://github.com/pypa/pip/issues/{}", ), ] message = " ".join( format_str.format(value) for value, format_str in message_parts if format_str is not None and value is not None ) # Raise as an error if this behaviour is deprecated. if is_gone: raise PipDeprecationWarning(message) warnings.warn(message, category=PipDeprecationWarning, stacklevel=2) _internal/utils/direct_url_helpers.py 0000644 00000006206 15114542002 0014105 0 ustar 00 from typing import Optional from pip._internal.models.direct_url import ArchiveInfo, DirectUrl, DirInfo, VcsInfo from pip._internal.models.link import Link from pip._internal.utils.urls import path_to_url from pip._internal.vcs import vcs def direct_url_as_pep440_direct_reference(direct_url: DirectUrl, name: str) -> str: """Convert a DirectUrl to a pip requirement string.""" direct_url.validate() # if invalid, this is a pip bug requirement = name + " @ " fragments = [] if isinstance(direct_url.info, VcsInfo): requirement += "{}+{}@{}".format( direct_url.info.vcs, direct_url.url, direct_url.info.commit_id ) elif isinstance(direct_url.info, ArchiveInfo): requirement += direct_url.url if direct_url.info.hash: fragments.append(direct_url.info.hash) else: assert isinstance(direct_url.info, DirInfo) requirement += direct_url.url if direct_url.subdirectory: fragments.append("subdirectory=" + direct_url.subdirectory) if fragments: requirement += "#" + "&".join(fragments) return requirement def direct_url_for_editable(source_dir: str) -> DirectUrl: return DirectUrl( url=path_to_url(source_dir), info=DirInfo(editable=True), ) def direct_url_from_link( link: Link, source_dir: Optional[str] = None, link_is_in_wheel_cache: bool = False ) -> DirectUrl: if link.is_vcs: vcs_backend = vcs.get_backend_for_scheme(link.scheme) assert vcs_backend url, requested_revision, _ = vcs_backend.get_url_rev_and_auth( link.url_without_fragment ) # For VCS links, we need to find out and add commit_id. if link_is_in_wheel_cache: # If the requested VCS link corresponds to a cached # wheel, it means the requested revision was an # immutable commit hash, otherwise it would not have # been cached. In that case we don't have a source_dir # with the VCS checkout. assert requested_revision commit_id = requested_revision else: # If the wheel was not in cache, it means we have # had to checkout from VCS to build and we have a source_dir # which we can inspect to find out the commit id. assert source_dir commit_id = vcs_backend.get_revision(source_dir) return DirectUrl( url=url, info=VcsInfo( vcs=vcs_backend.name, commit_id=commit_id, requested_revision=requested_revision, ), subdirectory=link.subdirectory_fragment, ) elif link.is_existing_dir(): return DirectUrl( url=link.url_without_fragment, info=DirInfo(), subdirectory=link.subdirectory_fragment, ) else: hash = None hash_name = link.hash_name if hash_name: hash = f"{hash_name}={link.hash}" return DirectUrl( url=link.url_without_fragment, info=ArchiveInfo(hash=hash), subdirectory=link.subdirectory_fragment, ) _internal/utils/distutils_args.py 0000644 00000002341 15114542002 0013263 0 ustar 00 from distutils.errors import DistutilsArgError from distutils.fancy_getopt import FancyGetopt from typing import Dict, List _options = [ ("exec-prefix=", None, ""), ("home=", None, ""), ("install-base=", None, ""), ("install-data=", None, ""), ("install-headers=", None, ""), ("install-lib=", None, ""), ("install-platlib=", None, ""), ("install-purelib=", None, ""), ("install-scripts=", None, ""), ("prefix=", None, ""), ("root=", None, ""), ("user", None, ""), ] # typeshed doesn't permit Tuple[str, None, str], see python/typeshed#3469. _distutils_getopt = FancyGetopt(_options) # type: ignore def parse_distutils_args(args: List[str]) -> Dict[str, str]: """Parse provided arguments, returning an object that has the matched arguments. Any unknown arguments are ignored. """ result = {} for arg in args: try: _, match = _distutils_getopt.getopt(args=[arg]) except DistutilsArgError: # We don't care about any other options, which here may be # considered unrecognized since our option list is not # exhaustive. pass else: result.update(match.__dict__) return result _internal/utils/encoding.py 0000644 00000002221 15114542002 0012006 0 ustar 00 import codecs import locale import re import sys from typing import List, Tuple BOMS: List[Tuple[bytes, str]] = [ (codecs.BOM_UTF8, "utf-8"), (codecs.BOM_UTF16, "utf-16"), (codecs.BOM_UTF16_BE, "utf-16-be"), (codecs.BOM_UTF16_LE, "utf-16-le"), (codecs.BOM_UTF32, "utf-32"), (codecs.BOM_UTF32_BE, "utf-32-be"), (codecs.BOM_UTF32_LE, "utf-32-le"), ] ENCODING_RE = re.compile(br"coding[:=]\s*([-\w.]+)") def auto_decode(data: bytes) -> str: """Check a bytes string for a BOM to correctly detect the encoding Fallback to locale.getpreferredencoding(False) like open() on Python3""" for bom, encoding in BOMS: if data.startswith(bom): return data[len(bom) :].decode(encoding) # Lets check the first two lines as in PEP263 for line in data.split(b"\n")[:2]: if line[0:1] == b"#" and ENCODING_RE.search(line): result = ENCODING_RE.search(line) assert result is not None encoding = result.groups()[0].decode("ascii") return data.decode(encoding) return data.decode( locale.getpreferredencoding(False) or sys.getdefaultencoding(), ) _internal/utils/entrypoints.py 0000644 00000002152 15114542002 0012621 0 ustar 00 import sys from typing import List, Optional from pip._internal.cli.main import main def _wrapper(args: Optional[List[str]] = None, _nowarn: bool = False) -> int: """Central wrapper for all old entrypoints. Historically pip has had several entrypoints defined. Because of issues arising from PATH, sys.path, multiple Pythons, their interactions, and most of them having a pip installed, users suffer every time an entrypoint gets moved. To alleviate this pain, and provide a mechanism for warning users and directing them to an appropriate place for help, we now define all of our old entrypoints as wrappers for the current one. """ if not _nowarn: sys.stderr.write( "WARNING: pip is being invoked by an old script wrapper. This will " "fail in a future version of pip.\n" "Please see https://github.com/pypa/pip/issues/5599 for advice on " "fixing the underlying issue.\n" "To avoid this problem you can invoke Python with '-m pip' instead of " "running pip directly.\n" ) return main(args) _internal/utils/filesystem.py 0000644 00000013405 15114542002 0012412 0 ustar 00 import fnmatch import os import os.path import random import shutil import stat import sys from contextlib import contextmanager from tempfile import NamedTemporaryFile from typing import Any, BinaryIO, Iterator, List, Union, cast from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed from pip._internal.utils.compat import get_path_uid from pip._internal.utils.misc import format_size def check_path_owner(path: str) -> bool: # If we don't have a way to check the effective uid of this process, then # we'll just assume that we own the directory. if sys.platform == "win32" or not hasattr(os, "geteuid"): return True assert os.path.isabs(path) previous = None while path != previous: if os.path.lexists(path): # Check if path is writable by current user. if os.geteuid() == 0: # Special handling for root user in order to handle properly # cases where users use sudo without -H flag. try: path_uid = get_path_uid(path) except OSError: return False return path_uid == 0 else: return os.access(path, os.W_OK) else: previous, path = path, os.path.dirname(path) return False # assume we don't own the path def copy2_fixed(src: str, dest: str) -> None: """Wrap shutil.copy2() but map errors copying socket files to SpecialFileError as expected. See also https://bugs.python.org/issue37700. """ try: shutil.copy2(src, dest) except OSError: for f in [src, dest]: try: is_socket_file = is_socket(f) except OSError: # An error has already occurred. Another error here is not # a problem and we can ignore it. pass else: if is_socket_file: raise shutil.SpecialFileError(f"`{f}` is a socket") raise def is_socket(path: str) -> bool: return stat.S_ISSOCK(os.lstat(path).st_mode) @contextmanager def adjacent_tmp_file(path: str, **kwargs: Any) -> Iterator[BinaryIO]: """Return a file-like object pointing to a tmp file next to path. The file is created securely and is ensured to be written to disk after the context reaches its end. kwargs will be passed to tempfile.NamedTemporaryFile to control the way the temporary file will be opened. """ with NamedTemporaryFile( delete=False, dir=os.path.dirname(path), prefix=os.path.basename(path), suffix=".tmp", **kwargs, ) as f: result = cast(BinaryIO, f) try: yield result finally: result.flush() os.fsync(result.fileno()) # Tenacity raises RetryError by default, explicitly raise the original exception _replace_retry = retry(reraise=True, stop=stop_after_delay(1), wait=wait_fixed(0.25)) replace = _replace_retry(os.replace) # test_writable_dir and _test_writable_dir_win are copied from Flit, # with the author's agreement to also place them under pip's license. def test_writable_dir(path: str) -> bool: """Check if a directory is writable. Uses os.access() on POSIX, tries creating files on Windows. """ # If the directory doesn't exist, find the closest parent that does. while not os.path.isdir(path): parent = os.path.dirname(path) if parent == path: break # Should never get here, but infinite loops are bad path = parent if os.name == "posix": return os.access(path, os.W_OK) return _test_writable_dir_win(path) def _test_writable_dir_win(path: str) -> bool: # os.access doesn't work on Windows: http://bugs.python.org/issue2528 # and we can't use tempfile: http://bugs.python.org/issue22107 basename = "accesstest_deleteme_fishfingers_custard_" alphabet = "abcdefghijklmnopqrstuvwxyz0123456789" for _ in range(10): name = basename + "".join(random.choice(alphabet) for _ in range(6)) file = os.path.join(path, name) try: fd = os.open(file, os.O_RDWR | os.O_CREAT | os.O_EXCL) except FileExistsError: pass except PermissionError: # This could be because there's a directory with the same name. # But it's highly unlikely there's a directory called that, # so we'll assume it's because the parent dir is not writable. # This could as well be because the parent dir is not readable, # due to non-privileged user access. return False else: os.close(fd) os.unlink(file) return True # This should never be reached raise OSError("Unexpected condition testing for writable directory") def find_files(path: str, pattern: str) -> List[str]: """Returns a list of absolute paths of files beneath path, recursively, with filenames which match the UNIX-style shell glob pattern.""" result: List[str] = [] for root, _, files in os.walk(path): matches = fnmatch.filter(files, pattern) result.extend(os.path.join(root, f) for f in matches) return result def file_size(path: str) -> Union[int, float]: # If it's a symlink, return 0. if os.path.islink(path): return 0 return os.path.getsize(path) def format_file_size(path: str) -> str: return format_size(file_size(path)) def directory_size(path: str) -> Union[int, float]: size = 0.0 for root, _dirs, files in os.walk(path): for filename in files: file_path = os.path.join(root, filename) size += file_size(file_path) return size def format_directory_size(path: str) -> str: return format_size(directory_size(path)) _internal/utils/filetypes.py 0000644 00000001314 15114542002 0012226 0 ustar 00 """Filetype information. """ from typing import Tuple from pip._internal.utils.misc import splitext WHEEL_EXTENSION = ".whl" BZ2_EXTENSIONS: Tuple[str, ...] = (".tar.bz2", ".tbz") XZ_EXTENSIONS: Tuple[str, ...] = ( ".tar.xz", ".txz", ".tlz", ".tar.lz", ".tar.lzma", ) ZIP_EXTENSIONS: Tuple[str, ...] = (".zip", WHEEL_EXTENSION) TAR_EXTENSIONS: Tuple[str, ...] = (".tar.gz", ".tgz", ".tar") ARCHIVE_EXTENSIONS = ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS def is_archive_file(name: str) -> bool: """Return True if `name` is a considered as an archive file.""" ext = splitext(name)[1].lower() if ext in ARCHIVE_EXTENSIONS: return True return False _internal/utils/glibc.py 0000644 00000006046 15114542002 0011311 0 ustar 00 # The following comment should be removed at some point in the future. # mypy: strict-optional=False import os import sys from typing import Optional, Tuple def glibc_version_string() -> Optional[str]: "Returns glibc version string, or None if not using glibc." return glibc_version_string_confstr() or glibc_version_string_ctypes() def glibc_version_string_confstr() -> Optional[str]: "Primary implementation of glibc_version_string using os.confstr." # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely # to be broken or missing. This strategy is used in the standard library # platform module: # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183 if sys.platform == "win32": return None try: # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17": _, version = os.confstr("CS_GNU_LIBC_VERSION").split() except (AttributeError, OSError, ValueError): # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... return None return version def glibc_version_string_ctypes() -> Optional[str]: "Fallback implementation of glibc_version_string using ctypes." try: import ctypes except ImportError: return None # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen # manpage says, "If filename is NULL, then the returned handle is for the # main program". This way we can let the linker do the work to figure out # which libc our process is actually using. process_namespace = ctypes.CDLL(None) try: gnu_get_libc_version = process_namespace.gnu_get_libc_version except AttributeError: # Symbol doesn't exist -> therefore, we are not linked to # glibc. return None # Call gnu_get_libc_version, which returns a string like "2.5" gnu_get_libc_version.restype = ctypes.c_char_p version_str = gnu_get_libc_version() # py2 / py3 compatibility: if not isinstance(version_str, str): version_str = version_str.decode("ascii") return version_str # platform.libc_ver regularly returns completely nonsensical glibc # versions. E.g. on my computer, platform says: # # ~$ python2.7 -c 'import platform; print(platform.libc_ver())' # ('glibc', '2.7') # ~$ python3.5 -c 'import platform; print(platform.libc_ver())' # ('glibc', '2.9') # # But the truth is: # # ~$ ldd --version # ldd (Debian GLIBC 2.22-11) 2.22 # # This is unfortunate, because it means that the linehaul data on libc # versions that was generated by pip 8.1.2 and earlier is useless and # misleading. Solution: instead of using platform, use our code that actually # works. def libc_ver() -> Tuple[str, str]: """Try to determine the glibc version Returns a tuple of strings (lib, version) which default to empty strings in case the lookup fails. """ glibc_version = glibc_version_string() if glibc_version is None: return ("", "") else: return ("glibc", glibc_version) _internal/utils/hashes.py 0000644 00000011313 15114542002 0011475 0 ustar 00 import hashlib from typing import TYPE_CHECKING, BinaryIO, Dict, Iterator, List from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError from pip._internal.utils.misc import read_chunks if TYPE_CHECKING: from hashlib import _Hash # NoReturn introduced in 3.6.2; imported only for type checking to maintain # pip compatibility with older patch versions of Python 3.6 from typing import NoReturn # The recommended hash algo of the moment. Change this whenever the state of # the art changes; it won't hurt backward compatibility. FAVORITE_HASH = "sha256" # Names of hashlib algorithms allowed by the --hash option and ``pip hash`` # Currently, those are the ones at least as collision-resistant as sha256. STRONG_HASHES = ["sha256", "sha384", "sha512"] class Hashes: """A wrapper that builds multiple hashes at once and checks them against known-good values """ def __init__(self, hashes: Dict[str, List[str]] = None) -> None: """ :param hashes: A dict of algorithm names pointing to lists of allowed hex digests """ allowed = {} if hashes is not None: for alg, keys in hashes.items(): # Make sure values are always sorted (to ease equality checks) allowed[alg] = sorted(keys) self._allowed = allowed def __and__(self, other: "Hashes") -> "Hashes": if not isinstance(other, Hashes): return NotImplemented # If either of the Hashes object is entirely empty (i.e. no hash # specified at all), all hashes from the other object are allowed. if not other: return self if not self: return other # Otherwise only hashes that present in both objects are allowed. new = {} for alg, values in other._allowed.items(): if alg not in self._allowed: continue new[alg] = [v for v in values if v in self._allowed[alg]] return Hashes(new) @property def digest_count(self) -> int: return sum(len(digests) for digests in self._allowed.values()) def is_hash_allowed(self, hash_name: str, hex_digest: str) -> bool: """Return whether the given hex digest is allowed.""" return hex_digest in self._allowed.get(hash_name, []) def check_against_chunks(self, chunks: Iterator[bytes]) -> None: """Check good hashes against ones built from iterable of chunks of data. Raise HashMismatch if none match. """ gots = {} for hash_name in self._allowed.keys(): try: gots[hash_name] = hashlib.new(hash_name) except (ValueError, TypeError): raise InstallationError(f"Unknown hash name: {hash_name}") for chunk in chunks: for hash in gots.values(): hash.update(chunk) for hash_name, got in gots.items(): if got.hexdigest() in self._allowed[hash_name]: return self._raise(gots) def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn": raise HashMismatch(self._allowed, gots) def check_against_file(self, file: BinaryIO) -> None: """Check good hashes against a file-like object Raise HashMismatch if none match. """ return self.check_against_chunks(read_chunks(file)) def check_against_path(self, path: str) -> None: with open(path, "rb") as file: return self.check_against_file(file) def __bool__(self) -> bool: """Return whether I know any known-good hashes.""" return bool(self._allowed) def __eq__(self, other: object) -> bool: if not isinstance(other, Hashes): return NotImplemented return self._allowed == other._allowed def __hash__(self) -> int: return hash( ",".join( sorted( ":".join((alg, digest)) for alg, digest_list in self._allowed.items() for digest in digest_list ) ) ) class MissingHashes(Hashes): """A workalike for Hashes used when we're missing a hash for a requirement It computes the actual hash of the requirement and raises a HashMissing exception showing it to the user. """ def __init__(self) -> None: """Don't offer the ``hashes`` kwarg.""" # Pass our favorite hash in to generate a "gotten hash". With the # empty list, it will never match, so an error will always raise. super().__init__(hashes={FAVORITE_HASH: []}) def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn": raise HashMissing(gots[FAVORITE_HASH].hexdigest()) _internal/utils/inject_securetransport.py 0000644 00000001433 15114542002 0015023 0 ustar 00 """A helper module that injects SecureTransport, on import. The import should be done as early as possible, to ensure all requests and sessions (or whatever) are created after injecting SecureTransport. Note that we only do the injection on macOS, when the linked OpenSSL is too old to handle TLSv1.2. """ import sys def inject_securetransport() -> None: # Only relevant on macOS if sys.platform != "darwin": return try: import ssl except ImportError: return # Checks for OpenSSL 1.0.1 if ssl.OPENSSL_VERSION_NUMBER >= 0x1000100F: return try: from pip._vendor.urllib3.contrib import securetransport except (ImportError, OSError): return securetransport.inject_into_urllib3() inject_securetransport() _internal/utils/logging.py 0000644 00000026414 15114542002 0011660 0 ustar 00 import contextlib import errno import logging import logging.handlers import os import sys from logging import Filter from typing import IO, Any, Callable, Iterator, Optional, TextIO, Type, cast from pip._internal.utils._log import VERBOSE, getLogger from pip._internal.utils.compat import WINDOWS from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX from pip._internal.utils.misc import ensure_dir try: import threading except ImportError: import dummy_threading as threading # type: ignore try: from pip._vendor import colorama # Lots of different errors can come from this, including SystemError and # ImportError. except Exception: colorama = None _log_state = threading.local() subprocess_logger = getLogger("pip.subprocessor") class BrokenStdoutLoggingError(Exception): """ Raised if BrokenPipeError occurs for the stdout stream while logging. """ def _is_broken_pipe_error(exc_class: Type[BaseException], exc: BaseException) -> bool: if exc_class is BrokenPipeError: return True # On Windows, a broken pipe can show up as EINVAL rather than EPIPE: # https://bugs.python.org/issue19612 # https://bugs.python.org/issue30418 if not WINDOWS: return False return isinstance(exc, OSError) and exc.errno in (errno.EINVAL, errno.EPIPE) @contextlib.contextmanager def indent_log(num: int = 2) -> Iterator[None]: """ A context manager which will cause the log output to be indented for any log messages emitted inside it. """ # For thread-safety _log_state.indentation = get_indentation() _log_state.indentation += num try: yield finally: _log_state.indentation -= num def get_indentation() -> int: return getattr(_log_state, "indentation", 0) class IndentingFormatter(logging.Formatter): default_time_format = "%Y-%m-%dT%H:%M:%S" def __init__( self, *args: Any, add_timestamp: bool = False, **kwargs: Any, ) -> None: """ A logging.Formatter that obeys the indent_log() context manager. :param add_timestamp: A bool indicating output lines should be prefixed with their record's timestamp. """ self.add_timestamp = add_timestamp super().__init__(*args, **kwargs) def get_message_start(self, formatted: str, levelno: int) -> str: """ Return the start of the formatted log message (not counting the prefix to add to each line). """ if levelno < logging.WARNING: return "" if formatted.startswith(DEPRECATION_MSG_PREFIX): # Then the message already has a prefix. We don't want it to # look like "WARNING: DEPRECATION: ...." return "" if levelno < logging.ERROR: return "WARNING: " return "ERROR: " def format(self, record: logging.LogRecord) -> str: """ Calls the standard formatter, but will indent all of the log message lines by our current indentation level. """ formatted = super().format(record) message_start = self.get_message_start(formatted, record.levelno) formatted = message_start + formatted prefix = "" if self.add_timestamp: prefix = f"{self.formatTime(record)} " prefix += " " * get_indentation() formatted = "".join([prefix + line for line in formatted.splitlines(True)]) return formatted def _color_wrap(*colors: str) -> Callable[[str], str]: def wrapped(inp: str) -> str: return "".join(list(colors) + [inp, colorama.Style.RESET_ALL]) return wrapped class ColorizedStreamHandler(logging.StreamHandler): # Don't build up a list of colors if we don't have colorama if colorama: COLORS = [ # This needs to be in order from highest logging level to lowest. (logging.ERROR, _color_wrap(colorama.Fore.RED)), (logging.WARNING, _color_wrap(colorama.Fore.YELLOW)), ] else: COLORS = [] def __init__(self, stream: Optional[TextIO] = None, no_color: bool = None) -> None: super().__init__(stream) self._no_color = no_color if WINDOWS and colorama: self.stream = colorama.AnsiToWin32(self.stream) def _using_stdout(self) -> bool: """ Return whether the handler is using sys.stdout. """ if WINDOWS and colorama: # Then self.stream is an AnsiToWin32 object. stream = cast(colorama.AnsiToWin32, self.stream) return stream.wrapped is sys.stdout return self.stream is sys.stdout def should_color(self) -> bool: # Don't colorize things if we do not have colorama or if told not to if not colorama or self._no_color: return False real_stream = ( self.stream if not isinstance(self.stream, colorama.AnsiToWin32) else self.stream.wrapped ) # If the stream is a tty we should color it if hasattr(real_stream, "isatty") and real_stream.isatty(): return True # If we have an ANSI term we should color it if os.environ.get("TERM") == "ANSI": return True # If anything else we should not color it return False def format(self, record: logging.LogRecord) -> str: msg = super().format(record) if self.should_color(): for level, color in self.COLORS: if record.levelno >= level: msg = color(msg) break return msg # The logging module says handleError() can be customized. def handleError(self, record: logging.LogRecord) -> None: exc_class, exc = sys.exc_info()[:2] # If a broken pipe occurred while calling write() or flush() on the # stdout stream in logging's Handler.emit(), then raise our special # exception so we can handle it in main() instead of logging the # broken pipe error and continuing. if ( exc_class and exc and self._using_stdout() and _is_broken_pipe_error(exc_class, exc) ): raise BrokenStdoutLoggingError() return super().handleError(record) class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler): def _open(self) -> IO[Any]: ensure_dir(os.path.dirname(self.baseFilename)) return super()._open() class MaxLevelFilter(Filter): def __init__(self, level: int) -> None: self.level = level def filter(self, record: logging.LogRecord) -> bool: return record.levelno < self.level class ExcludeLoggerFilter(Filter): """ A logging Filter that excludes records from a logger (or its children). """ def filter(self, record: logging.LogRecord) -> bool: # The base Filter class allows only records from a logger (or its # children). return not super().filter(record) def setup_logging(verbosity: int, no_color: bool, user_log_file: Optional[str]) -> int: """Configures and sets up all of the logging Returns the requested logging level, as its integer value. """ # Determine the level to be logging at. if verbosity >= 2: level_number = logging.DEBUG elif verbosity == 1: level_number = VERBOSE elif verbosity == -1: level_number = logging.WARNING elif verbosity == -2: level_number = logging.ERROR elif verbosity <= -3: level_number = logging.CRITICAL else: level_number = logging.INFO level = logging.getLevelName(level_number) # The "root" logger should match the "console" level *unless* we also need # to log to a user log file. include_user_log = user_log_file is not None if include_user_log: additional_log_file = user_log_file root_level = "DEBUG" else: additional_log_file = "/dev/null" root_level = level # Disable any logging besides WARNING unless we have DEBUG level logging # enabled for vendored libraries. vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG" # Shorthands for clarity log_streams = { "stdout": "ext://sys.stdout", "stderr": "ext://sys.stderr", } handler_classes = { "stream": "pip._internal.utils.logging.ColorizedStreamHandler", "file": "pip._internal.utils.logging.BetterRotatingFileHandler", } handlers = ["console", "console_errors", "console_subprocess"] + ( ["user_log"] if include_user_log else [] ) logging.config.dictConfig( { "version": 1, "disable_existing_loggers": False, "filters": { "exclude_warnings": { "()": "pip._internal.utils.logging.MaxLevelFilter", "level": logging.WARNING, }, "restrict_to_subprocess": { "()": "logging.Filter", "name": subprocess_logger.name, }, "exclude_subprocess": { "()": "pip._internal.utils.logging.ExcludeLoggerFilter", "name": subprocess_logger.name, }, }, "formatters": { "indent": { "()": IndentingFormatter, "format": "%(message)s", }, "indent_with_timestamp": { "()": IndentingFormatter, "format": "%(message)s", "add_timestamp": True, }, }, "handlers": { "console": { "level": level, "class": handler_classes["stream"], "no_color": no_color, "stream": log_streams["stdout"], "filters": ["exclude_subprocess", "exclude_warnings"], "formatter": "indent", }, "console_errors": { "level": "WARNING", "class": handler_classes["stream"], "no_color": no_color, "stream": log_streams["stderr"], "filters": ["exclude_subprocess"], "formatter": "indent", }, # A handler responsible for logging to the console messages # from the "subprocessor" logger. "console_subprocess": { "level": level, "class": handler_classes["stream"], "no_color": no_color, "stream": log_streams["stderr"], "filters": ["restrict_to_subprocess"], "formatter": "indent", }, "user_log": { "level": "DEBUG", "class": handler_classes["file"], "filename": additional_log_file, "encoding": "utf-8", "delay": True, "formatter": "indent_with_timestamp", }, }, "root": { "level": root_level, "handlers": handlers, }, "loggers": {"pip._vendor": {"level": vendored_log_level}}, } ) return level_number _internal/utils/misc.py 0000644 00000050452 15114542002 0011164 0 ustar 00 # The following comment should be removed at some point in the future. # mypy: strict-optional=False import contextlib import errno import getpass import hashlib import io import logging import os import posixpath import shutil import stat import sys import urllib.parse from io import StringIO from itertools import filterfalse, tee, zip_longest from types import TracebackType from typing import ( Any, BinaryIO, Callable, ContextManager, Iterable, Iterator, List, Optional, TextIO, Tuple, Type, TypeVar, cast, ) from pip._vendor.pkg_resources import Distribution from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed from pip import __version__ from pip._internal.exceptions import CommandError from pip._internal.locations import get_major_minor_version, site_packages, user_site from pip._internal.locations import get_scheme from pip._internal.utils.compat import WINDOWS from pip._internal.utils.egg_link import egg_link_path_from_location from pip._internal.utils.virtualenv import running_under_virtualenv __all__ = [ "rmtree", "display_path", "backup_dir", "ask", "splitext", "format_size", "is_installable_dir", "normalize_path", "renames", "get_prog", "captured_stdout", "ensure_dir", "remove_auth_from_url", ] logger = logging.getLogger(__name__) T = TypeVar("T") ExcInfo = Tuple[Type[BaseException], BaseException, TracebackType] VersionInfo = Tuple[int, int, int] NetlocTuple = Tuple[str, Tuple[Optional[str], Optional[str]]] def get_pip_version() -> str: pip_pkg_dir = os.path.join(os.path.dirname(__file__), "..", "..") pip_pkg_dir = os.path.abspath(pip_pkg_dir) return "pip {} from {} (python {})".format( __version__, pip_pkg_dir, get_major_minor_version(), ) def normalize_version_info(py_version_info: Tuple[int, ...]) -> Tuple[int, int, int]: """ Convert a tuple of ints representing a Python version to one of length three. :param py_version_info: a tuple of ints representing a Python version, or None to specify no version. The tuple can have any length. :return: a tuple of length three if `py_version_info` is non-None. Otherwise, return `py_version_info` unchanged (i.e. None). """ if len(py_version_info) < 3: py_version_info += (3 - len(py_version_info)) * (0,) elif len(py_version_info) > 3: py_version_info = py_version_info[:3] return cast("VersionInfo", py_version_info) def ensure_dir(path: str) -> None: """os.path.makedirs without EEXIST.""" try: os.makedirs(path) except OSError as e: # Windows can raise spurious ENOTEMPTY errors. See #6426. if e.errno != errno.EEXIST and e.errno != errno.ENOTEMPTY: raise def get_prog() -> str: try: prog = os.path.basename(sys.argv[0]) if prog in ("__main__.py", "-c"): return f"{sys.executable} -m pip" else: return prog except (AttributeError, TypeError, IndexError): pass return "pip" # Retry every half second for up to 3 seconds # Tenacity raises RetryError by default, explicitly raise the original exception @retry(reraise=True, stop=stop_after_delay(3), wait=wait_fixed(0.5)) def rmtree(dir: str, ignore_errors: bool = False) -> None: shutil.rmtree(dir, ignore_errors=ignore_errors, onerror=rmtree_errorhandler) def rmtree_errorhandler(func: Callable[..., Any], path: str, exc_info: ExcInfo) -> None: """On Windows, the files in .svn are read-only, so when rmtree() tries to remove them, an exception is thrown. We catch that here, remove the read-only attribute, and hopefully continue without problems.""" try: has_attr_readonly = not (os.stat(path).st_mode & stat.S_IWRITE) except OSError: # it's equivalent to os.path.exists return if has_attr_readonly: # convert to read/write os.chmod(path, stat.S_IWRITE) # use the original function to repeat the operation func(path) return else: raise def display_path(path: str) -> str: """Gives the display value for a given path, making it relative to cwd if possible.""" path = os.path.normcase(os.path.abspath(path)) if path.startswith(os.getcwd() + os.path.sep): path = "." + path[len(os.getcwd()) :] return path def backup_dir(dir: str, ext: str = ".bak") -> str: """Figure out the name of a directory to back up the given dir to (adding .bak, .bak2, etc)""" n = 1 extension = ext while os.path.exists(dir + extension): n += 1 extension = ext + str(n) return dir + extension def ask_path_exists(message: str, options: Iterable[str]) -> str: for action in os.environ.get("PIP_EXISTS_ACTION", "").split(): if action in options: return action return ask(message, options) def _check_no_input(message: str) -> None: """Raise an error if no input is allowed.""" if os.environ.get("PIP_NO_INPUT"): raise Exception( f"No input was expected ($PIP_NO_INPUT set); question: {message}" ) def ask(message: str, options: Iterable[str]) -> str: """Ask the message interactively, with the given possible responses""" while 1: _check_no_input(message) response = input(message) response = response.strip().lower() if response not in options: print( "Your response ({!r}) was not one of the expected responses: " "{}".format(response, ", ".join(options)) ) else: return response def ask_input(message: str) -> str: """Ask for input interactively.""" _check_no_input(message) return input(message) def ask_password(message: str) -> str: """Ask for a password interactively.""" _check_no_input(message) return getpass.getpass(message) def strtobool(val: str) -> int: """Convert a string representation of truth to true (1) or false (0). True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if 'val' is anything else. """ val = val.lower() if val in ("y", "yes", "t", "true", "on", "1"): return 1 elif val in ("n", "no", "f", "false", "off", "0"): return 0 else: raise ValueError(f"invalid truth value {val!r}") def format_size(bytes: float) -> str: if bytes > 1000 * 1000: return "{:.1f} MB".format(bytes / 1000.0 / 1000) elif bytes > 10 * 1000: return "{} kB".format(int(bytes / 1000)) elif bytes > 1000: return "{:.1f} kB".format(bytes / 1000.0) else: return "{} bytes".format(int(bytes)) def tabulate(rows: Iterable[Iterable[Any]]) -> Tuple[List[str], List[int]]: """Return a list of formatted rows and a list of column sizes. For example:: >>> tabulate([['foobar', 2000], [0xdeadbeef]]) (['foobar 2000', '3735928559'], [10, 4]) """ rows = [tuple(map(str, row)) for row in rows] sizes = [max(map(len, col)) for col in zip_longest(*rows, fillvalue="")] table = [" ".join(map(str.ljust, row, sizes)).rstrip() for row in rows] return table, sizes def is_installable_dir(path: str) -> bool: """Is path is a directory containing pyproject.toml or setup.py? If pyproject.toml exists, this is a PEP 517 project. Otherwise we look for a legacy setuptools layout by identifying setup.py. We don't check for the setup.cfg because using it without setup.py is only available for PEP 517 projects, which are already covered by the pyproject.toml check. """ if not os.path.isdir(path): return False if os.path.isfile(os.path.join(path, "pyproject.toml")): return True if os.path.isfile(os.path.join(path, "setup.py")): return True return False def read_chunks(file: BinaryIO, size: int = io.DEFAULT_BUFFER_SIZE) -> Iterator[bytes]: """Yield pieces of data from a file-like object until EOF.""" while True: chunk = file.read(size) if not chunk: break yield chunk def normalize_path(path: str, resolve_symlinks: bool = True) -> str: """ Convert a path to its canonical, case-normalized, absolute version. """ path = os.path.expanduser(path) if resolve_symlinks: path = os.path.realpath(path) else: path = os.path.abspath(path) return os.path.normcase(path) def splitext(path: str) -> Tuple[str, str]: """Like os.path.splitext, but take off .tar too""" base, ext = posixpath.splitext(path) if base.lower().endswith(".tar"): ext = base[-4:] + ext base = base[:-4] return base, ext def renames(old: str, new: str) -> None: """Like os.renames(), but handles renaming across devices.""" # Implementation borrowed from os.renames(). head, tail = os.path.split(new) if head and tail and not os.path.exists(head): os.makedirs(head) shutil.move(old, new) head, tail = os.path.split(old) if head and tail: try: os.removedirs(head) except OSError: pass def is_local(path: str) -> bool: """ Return True if path is within sys.prefix, if we're running in a virtualenv. If we're not in a virtualenv, all paths are considered "local." Caution: this function assumes the head of path has been normalized with normalize_path. """ if not running_under_virtualenv(): return True return path.startswith(normalize_path(sys.prefix)) def dist_is_local(dist: Distribution) -> bool: """ Return True if given Distribution object is installed locally (i.e. within current virtualenv). Always True if we're not in a virtualenv. """ return is_local(dist_location(dist)) def dist_in_usersite(dist: Distribution) -> bool: """ Return True if given Distribution is installed in user site. """ return dist_location(dist).startswith(normalize_path(user_site)) def dist_in_site_packages(dist: Distribution) -> bool: """ Return True if given Distribution is installed in sysconfig.get_python_lib(). """ return dist_location(dist).startswith(normalize_path(site_packages)) def dist_in_install_path(dist): """ Return True if given Distribution is installed in path matching distutils_scheme layout. """ norm_path = normalize_path(dist_location(dist)) return norm_path.startswith(normalize_path( get_scheme("").purelib.split('python')[0])) def get_distribution(req_name: str) -> Optional[Distribution]: """Given a requirement name, return the installed Distribution object. This searches from *all* distributions available in the environment, to match the behavior of ``pkg_resources.get_distribution()``. Left for compatibility until direct pkg_resources uses are refactored out. """ from pip._internal.metadata import get_default_environment from pip._internal.metadata.pkg_resources import Distribution as _Dist dist = get_default_environment().get_distribution(req_name) if dist is None: return None return cast(_Dist, dist)._dist def dist_location(dist: Distribution) -> str: """ Get the site-packages location of this distribution. Generally this is dist.location, except in the case of develop-installed packages, where dist.location is the source code location, and we want to know where the egg-link file is. The returned location is normalized (in particular, with symlinks removed). """ egg_link = egg_link_path_from_location(dist.project_name) if egg_link: return normalize_path(egg_link) return normalize_path(dist.location) def write_output(msg: Any, *args: Any) -> None: logger.info(msg, *args) class StreamWrapper(StringIO): orig_stream: TextIO = None @classmethod def from_stream(cls, orig_stream: TextIO) -> "StreamWrapper": cls.orig_stream = orig_stream return cls() # compileall.compile_dir() needs stdout.encoding to print to stdout # https://github.com/python/mypy/issues/4125 @property def encoding(self): # type: ignore return self.orig_stream.encoding @contextlib.contextmanager def captured_output(stream_name: str) -> Iterator[StreamWrapper]: """Return a context manager used by captured_stdout/stdin/stderr that temporarily replaces the sys stream *stream_name* with a StringIO. Taken from Lib/support/__init__.py in the CPython repo. """ orig_stdout = getattr(sys, stream_name) setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout)) try: yield getattr(sys, stream_name) finally: setattr(sys, stream_name, orig_stdout) def captured_stdout() -> ContextManager[StreamWrapper]: """Capture the output of sys.stdout: with captured_stdout() as stdout: print('hello') self.assertEqual(stdout.getvalue(), 'hello\n') Taken from Lib/support/__init__.py in the CPython repo. """ return captured_output("stdout") def captured_stderr() -> ContextManager[StreamWrapper]: """ See captured_stdout(). """ return captured_output("stderr") # Simulates an enum def enum(*sequential: Any, **named: Any) -> Type[Any]: enums = dict(zip(sequential, range(len(sequential))), **named) reverse = {value: key for key, value in enums.items()} enums["reverse_mapping"] = reverse return type("Enum", (), enums) def build_netloc(host: str, port: Optional[int]) -> str: """ Build a netloc from a host-port pair """ if port is None: return host if ":" in host: # Only wrap host with square brackets when it is IPv6 host = f"[{host}]" return f"{host}:{port}" def build_url_from_netloc(netloc: str, scheme: str = "https") -> str: """ Build a full URL from a netloc. """ if netloc.count(":") >= 2 and "@" not in netloc and "[" not in netloc: # It must be a bare IPv6 address, so wrap it with brackets. netloc = f"[{netloc}]" return f"{scheme}://{netloc}" def parse_netloc(netloc: str) -> Tuple[str, Optional[int]]: """ Return the host-port pair from a netloc. """ url = build_url_from_netloc(netloc) parsed = urllib.parse.urlparse(url) return parsed.hostname, parsed.port def split_auth_from_netloc(netloc: str) -> NetlocTuple: """ Parse out and remove the auth information from a netloc. Returns: (netloc, (username, password)). """ if "@" not in netloc: return netloc, (None, None) # Split from the right because that's how urllib.parse.urlsplit() # behaves if more than one @ is present (which can be checked using # the password attribute of urlsplit()'s return value). auth, netloc = netloc.rsplit("@", 1) pw: Optional[str] = None if ":" in auth: # Split from the left because that's how urllib.parse.urlsplit() # behaves if more than one : is present (which again can be checked # using the password attribute of the return value) user, pw = auth.split(":", 1) else: user, pw = auth, None user = urllib.parse.unquote(user) if pw is not None: pw = urllib.parse.unquote(pw) return netloc, (user, pw) def redact_netloc(netloc: str) -> str: """ Replace the sensitive data in a netloc with "****", if it exists. For example: - "user:pass@example.com" returns "user:****@example.com" - "accesstoken@example.com" returns "****@example.com" """ netloc, (user, password) = split_auth_from_netloc(netloc) if user is None: return netloc if password is None: user = "****" password = "" else: user = urllib.parse.quote(user) password = ":****" return "{user}{password}@{netloc}".format( user=user, password=password, netloc=netloc ) def _transform_url( url: str, transform_netloc: Callable[[str], Tuple[Any, ...]] ) -> Tuple[str, NetlocTuple]: """Transform and replace netloc in a url. transform_netloc is a function taking the netloc and returning a tuple. The first element of this tuple is the new netloc. The entire tuple is returned. Returns a tuple containing the transformed url as item 0 and the original tuple returned by transform_netloc as item 1. """ purl = urllib.parse.urlsplit(url) netloc_tuple = transform_netloc(purl.netloc) # stripped url url_pieces = (purl.scheme, netloc_tuple[0], purl.path, purl.query, purl.fragment) surl = urllib.parse.urlunsplit(url_pieces) return surl, cast("NetlocTuple", netloc_tuple) def _get_netloc(netloc: str) -> NetlocTuple: return split_auth_from_netloc(netloc) def _redact_netloc(netloc: str) -> Tuple[str]: return (redact_netloc(netloc),) def split_auth_netloc_from_url(url: str) -> Tuple[str, str, Tuple[str, str]]: """ Parse a url into separate netloc, auth, and url with no auth. Returns: (url_without_auth, netloc, (username, password)) """ url_without_auth, (netloc, auth) = _transform_url(url, _get_netloc) return url_without_auth, netloc, auth def remove_auth_from_url(url: str) -> str: """Return a copy of url with 'username:password@' removed.""" # username/pass params are passed to subversion through flags # and are not recognized in the url. return _transform_url(url, _get_netloc)[0] def redact_auth_from_url(url: str) -> str: """Replace the password in a given url with ****.""" return _transform_url(url, _redact_netloc)[0] class HiddenText: def __init__(self, secret: str, redacted: str) -> None: self.secret = secret self.redacted = redacted def __repr__(self) -> str: return "<HiddenText {!r}>".format(str(self)) def __str__(self) -> str: return self.redacted # This is useful for testing. def __eq__(self, other: Any) -> bool: if type(self) != type(other): return False # The string being used for redaction doesn't also have to match, # just the raw, original string. return self.secret == other.secret def hide_value(value: str) -> HiddenText: return HiddenText(value, redacted="****") def hide_url(url: str) -> HiddenText: redacted = redact_auth_from_url(url) return HiddenText(url, redacted=redacted) def protect_pip_from_modification_on_windows(modifying_pip: bool) -> None: """Protection of pip.exe from modification on Windows On Windows, any operation modifying pip should be run as: python -m pip ... """ pip_names = [ "pip.exe", "pip{}.exe".format(sys.version_info[0]), "pip{}.{}.exe".format(*sys.version_info[:2]), ] # See https://github.com/pypa/pip/issues/1299 for more discussion should_show_use_python_msg = ( modifying_pip and WINDOWS and os.path.basename(sys.argv[0]) in pip_names ) if should_show_use_python_msg: new_command = [sys.executable, "-m", "pip"] + sys.argv[1:] raise CommandError( "To modify pip, please run the following command:\n{}".format( " ".join(new_command) ) ) def is_console_interactive() -> bool: """Is this console interactive?""" return sys.stdin is not None and sys.stdin.isatty() def hash_file(path: str, blocksize: int = 1 << 20) -> Tuple[Any, int]: """Return (hash, length) for path using hashlib.sha256()""" h = hashlib.sha256() length = 0 with open(path, "rb") as f: for block in read_chunks(f, size=blocksize): length += len(block) h.update(block) return h, length def is_wheel_installed() -> bool: """ Return whether the wheel package is installed. """ try: import wheel # noqa: F401 except ImportError: return False return True def pairwise(iterable: Iterable[Any]) -> Iterator[Tuple[Any, Any]]: """ Return paired elements. For example: s -> (s0, s1), (s2, s3), (s4, s5), ... """ iterable = iter(iterable) return zip_longest(iterable, iterable) def partition( pred: Callable[[T], bool], iterable: Iterable[T], ) -> Tuple[Iterable[T], Iterable[T]]: """ Use a predicate to partition entries into false entries and true entries, like partition(is_odd, range(10)) --> 0 2 4 6 8 and 1 3 5 7 9 """ t1, t2 = tee(iterable) return filterfalse(pred, t1), filter(pred, t2) _internal/utils/models.py 0000644 00000002251 15114542002 0011506 0 ustar 00 """Utilities for defining models """ import operator from typing import Any, Callable, Type class KeyBasedCompareMixin: """Provides comparison capabilities that is based on a key""" __slots__ = ["_compare_key", "_defining_class"] def __init__(self, key: Any, defining_class: Type["KeyBasedCompareMixin"]) -> None: self._compare_key = key self._defining_class = defining_class def __hash__(self) -> int: return hash(self._compare_key) def __lt__(self, other: Any) -> bool: return self._compare(other, operator.__lt__) def __le__(self, other: Any) -> bool: return self._compare(other, operator.__le__) def __gt__(self, other: Any) -> bool: return self._compare(other, operator.__gt__) def __ge__(self, other: Any) -> bool: return self._compare(other, operator.__ge__) def __eq__(self, other: Any) -> bool: return self._compare(other, operator.__eq__) def _compare(self, other: Any, method: Callable[[Any, Any], bool]) -> bool: if not isinstance(other, self._defining_class): return NotImplemented return method(self._compare_key, other._compare_key) _internal/utils/packaging.py 0000644 00000005610 15114542002 0012151 0 ustar 00 import functools import logging from email.message import Message from email.parser import FeedParser from typing import Optional, Tuple from pip._vendor import pkg_resources from pip._vendor.packaging import specifiers, version from pip._vendor.packaging.requirements import Requirement from pip._vendor.pkg_resources import Distribution from pip._internal.exceptions import NoneMetadataError from pip._internal.utils.misc import display_path logger = logging.getLogger(__name__) def check_requires_python( requires_python: Optional[str], version_info: Tuple[int, ...] ) -> bool: """ Check if the given Python version matches a "Requires-Python" specifier. :param version_info: A 3-tuple of ints representing a Python major-minor-micro version to check (e.g. `sys.version_info[:3]`). :return: `True` if the given Python version satisfies the requirement. Otherwise, return `False`. :raises InvalidSpecifier: If `requires_python` has an invalid format. """ if requires_python is None: # The package provides no information return True requires_python_specifier = specifiers.SpecifierSet(requires_python) python_version = version.parse(".".join(map(str, version_info))) return python_version in requires_python_specifier def get_metadata(dist: Distribution) -> Message: """ :raises NoneMetadataError: if the distribution reports `has_metadata()` True but `get_metadata()` returns None. """ metadata_name = "METADATA" if isinstance(dist, pkg_resources.DistInfoDistribution) and dist.has_metadata( metadata_name ): metadata = dist.get_metadata(metadata_name) elif dist.has_metadata("PKG-INFO"): metadata_name = "PKG-INFO" metadata = dist.get_metadata(metadata_name) else: logger.warning("No metadata found in %s", display_path(dist.location)) metadata = "" if metadata is None: raise NoneMetadataError(dist, metadata_name) feed_parser = FeedParser() # The following line errors out if with a "NoneType" TypeError if # passed metadata=None. feed_parser.feed(metadata) return feed_parser.close() def get_installer(dist: Distribution) -> str: if dist.has_metadata("INSTALLER"): for line in dist.get_metadata_lines("INSTALLER"): if line.strip(): return line.strip() return "" @functools.lru_cache(maxsize=512) def get_requirement(req_string: str) -> Requirement: """Construct a packaging.Requirement object with caching""" # Parsing requirement strings is expensive, and is also expected to happen # with a low diversity of different arguments (at least relative the number # constructed). This method adds a cache to requirement object creation to # minimize repeated parsing of the same string to construct equivalent # Requirement objects. return Requirement(req_string) _internal/utils/parallel.py 0000644 00000006174 15114542002 0012027 0 ustar 00 """Convenient parallelization of higher order functions. This module provides two helper functions, with appropriate fallbacks on Python 2 and on systems lacking support for synchronization mechanisms: - map_multiprocess - map_multithread These helpers work like Python 3's map, with two differences: - They don't guarantee the order of processing of the elements of the iterable. - The underlying process/thread pools chop the iterable into a number of chunks, so that for very long iterables using a large value for chunksize can make the job complete much faster than using the default value of 1. """ __all__ = ["map_multiprocess", "map_multithread"] from contextlib import contextmanager from multiprocessing import Pool as ProcessPool from multiprocessing import pool from multiprocessing.dummy import Pool as ThreadPool from typing import Callable, Iterable, Iterator, TypeVar, Union from pip._vendor.requests.adapters import DEFAULT_POOLSIZE Pool = Union[pool.Pool, pool.ThreadPool] S = TypeVar("S") T = TypeVar("T") # On platforms without sem_open, multiprocessing[.dummy] Pool # cannot be created. try: import multiprocessing.synchronize # noqa except ImportError: LACK_SEM_OPEN = True else: LACK_SEM_OPEN = False # Incredibly large timeout to work around bpo-8296 on Python 2. TIMEOUT = 2000000 @contextmanager def closing(pool: Pool) -> Iterator[Pool]: """Return a context manager making sure the pool closes properly.""" try: yield pool finally: # For Pool.imap*, close and join are needed # for the returned iterator to begin yielding. pool.close() pool.join() pool.terminate() def _map_fallback( func: Callable[[S], T], iterable: Iterable[S], chunksize: int = 1 ) -> Iterator[T]: """Make an iterator applying func to each element in iterable. This function is the sequential fallback either on Python 2 where Pool.imap* doesn't react to KeyboardInterrupt or when sem_open is unavailable. """ return map(func, iterable) def _map_multiprocess( func: Callable[[S], T], iterable: Iterable[S], chunksize: int = 1 ) -> Iterator[T]: """Chop iterable into chunks and submit them to a process pool. For very long iterables using a large value for chunksize can make the job complete much faster than using the default value of 1. Return an unordered iterator of the results. """ with closing(ProcessPool()) as pool: return pool.imap_unordered(func, iterable, chunksize) def _map_multithread( func: Callable[[S], T], iterable: Iterable[S], chunksize: int = 1 ) -> Iterator[T]: """Chop iterable into chunks and submit them to a thread pool. For very long iterables using a large value for chunksize can make the job complete much faster than using the default value of 1. Return an unordered iterator of the results. """ with closing(ThreadPool(DEFAULT_POOLSIZE)) as pool: return pool.imap_unordered(func, iterable, chunksize) if LACK_SEM_OPEN: map_multiprocess = map_multithread = _map_fallback else: map_multiprocess = _map_multiprocess map_multithread = _map_multithread _internal/utils/pkg_resources.py 0000644 00000001733 15114542002 0013102 0 ustar 00 from typing import Dict, Iterable, List from pip._vendor.pkg_resources import yield_lines class DictMetadata: """IMetadataProvider that reads metadata files from a dictionary.""" def __init__(self, metadata: Dict[str, bytes]) -> None: self._metadata = metadata def has_metadata(self, name: str) -> bool: return name in self._metadata def get_metadata(self, name: str) -> str: try: return self._metadata[name].decode() except UnicodeDecodeError as e: # Mirrors handling done in pkg_resources.NullProvider. e.reason += f" in {name} file" raise def get_metadata_lines(self, name: str) -> Iterable[str]: return yield_lines(self.get_metadata(name)) def metadata_isdir(self, name: str) -> bool: return False def metadata_listdir(self, name: str) -> List[str]: return [] def run_script(self, script_name: str, namespace: str) -> None: pass _internal/utils/setuptools_build.py 0000644 00000011131 15114542002 0013620 0 ustar 00 import sys from typing import List, Optional, Sequence # Shim to wrap setup.py invocation with setuptools # # We set sys.argv[0] to the path to the underlying setup.py file so # setuptools / distutils don't take the path to the setup.py to be "-c" when # invoking via the shim. This avoids e.g. the following manifest_maker # warning: "warning: manifest_maker: standard file '-c' not found". _SETUPTOOLS_SHIM = ( "import io, os, sys, setuptools, tokenize; sys.argv[0] = {0!r}; __file__={0!r};" "f = getattr(tokenize, 'open', open)(__file__) " "if os.path.exists(__file__) " "else io.StringIO('from setuptools import setup; setup()');" "code = f.read().replace('\\r\\n', '\\n');" "f.close();" "exec(compile(code, __file__, 'exec'))" ) def make_setuptools_shim_args( setup_py_path: str, global_options: Sequence[str] = None, no_user_config: bool = False, unbuffered_output: bool = False, ) -> List[str]: """ Get setuptools command arguments with shim wrapped setup file invocation. :param setup_py_path: The path to setup.py to be wrapped. :param global_options: Additional global options. :param no_user_config: If True, disables personal user configuration. :param unbuffered_output: If True, adds the unbuffered switch to the argument list. """ args = [sys.executable] if unbuffered_output: args += ["-u"] args += ["-c", _SETUPTOOLS_SHIM.format(setup_py_path)] if global_options: args += global_options if no_user_config: args += ["--no-user-cfg"] return args def make_setuptools_bdist_wheel_args( setup_py_path: str, global_options: Sequence[str], build_options: Sequence[str], destination_dir: str, ) -> List[str]: # NOTE: Eventually, we'd want to also -S to the flags here, when we're # isolating. Currently, it breaks Python in virtualenvs, because it # relies on site.py to find parts of the standard library outside the # virtualenv. args = make_setuptools_shim_args( setup_py_path, global_options=global_options, unbuffered_output=True ) args += ["bdist_wheel", "-d", destination_dir] args += build_options return args def make_setuptools_clean_args( setup_py_path: str, global_options: Sequence[str], ) -> List[str]: args = make_setuptools_shim_args( setup_py_path, global_options=global_options, unbuffered_output=True ) args += ["clean", "--all"] return args def make_setuptools_develop_args( setup_py_path: str, global_options: Sequence[str], install_options: Sequence[str], no_user_config: bool, prefix: Optional[str], home: Optional[str], use_user_site: bool, ) -> List[str]: assert not (use_user_site and prefix) args = make_setuptools_shim_args( setup_py_path, global_options=global_options, no_user_config=no_user_config, ) args += ["develop", "--no-deps"] args += install_options if prefix: args += ["--prefix", prefix] if home is not None: args += ["--install-dir", home] if use_user_site: args += ["--user", "--prefix="] return args def make_setuptools_egg_info_args( setup_py_path: str, egg_info_dir: Optional[str], no_user_config: bool, ) -> List[str]: args = make_setuptools_shim_args(setup_py_path, no_user_config=no_user_config) args += ["egg_info"] if egg_info_dir: args += ["--egg-base", egg_info_dir] return args def make_setuptools_install_args( setup_py_path: str, global_options: Sequence[str], install_options: Sequence[str], record_filename: str, root: Optional[str], prefix: Optional[str], header_dir: Optional[str], home: Optional[str], use_user_site: bool, no_user_config: bool, pycompile: bool, ) -> List[str]: assert not (use_user_site and prefix) assert not (use_user_site and root) args = make_setuptools_shim_args( setup_py_path, global_options=global_options, no_user_config=no_user_config, unbuffered_output=True, ) args += ["install", "--record", record_filename] args += ["--single-version-externally-managed"] if root is not None: args += ["--root", root] if prefix is not None: args += ["--prefix", prefix] if home is not None: args += ["--home", home] if use_user_site: args += ["--user", "--prefix="] if pycompile: args += ["--compile"] else: args += ["--no-compile"] if header_dir: args += ["--install-headers", header_dir] args += install_options return args _internal/utils/subprocess.py 0000644 00000023512 15114542002 0012416 0 ustar 00 import logging import os import shlex import subprocess from typing import ( TYPE_CHECKING, Any, Callable, Iterable, List, Mapping, Optional, Union, ) from pip._internal.cli.spinners import SpinnerInterface, open_spinner from pip._internal.exceptions import InstallationSubprocessError from pip._internal.utils.logging import VERBOSE, subprocess_logger from pip._internal.utils.misc import HiddenText if TYPE_CHECKING: # Literal was introduced in Python 3.8. # # TODO: Remove `if TYPE_CHECKING` when dropping support for Python 3.7. from typing import Literal CommandArgs = List[Union[str, HiddenText]] LOG_DIVIDER = "----------------------------------------" def make_command(*args: Union[str, HiddenText, CommandArgs]) -> CommandArgs: """ Create a CommandArgs object. """ command_args: CommandArgs = [] for arg in args: # Check for list instead of CommandArgs since CommandArgs is # only known during type-checking. if isinstance(arg, list): command_args.extend(arg) else: # Otherwise, arg is str or HiddenText. command_args.append(arg) return command_args def format_command_args(args: Union[List[str], CommandArgs]) -> str: """ Format command arguments for display. """ # For HiddenText arguments, display the redacted form by calling str(). # Also, we don't apply str() to arguments that aren't HiddenText since # this can trigger a UnicodeDecodeError in Python 2 if the argument # has type unicode and includes a non-ascii character. (The type # checker doesn't ensure the annotations are correct in all cases.) return " ".join( shlex.quote(str(arg)) if isinstance(arg, HiddenText) else shlex.quote(arg) for arg in args ) def reveal_command_args(args: Union[List[str], CommandArgs]) -> List[str]: """ Return the arguments in their raw, unredacted form. """ return [arg.secret if isinstance(arg, HiddenText) else arg for arg in args] def make_subprocess_output_error( cmd_args: Union[List[str], CommandArgs], cwd: Optional[str], lines: List[str], exit_status: int, ) -> str: """ Create and return the error message to use to log a subprocess error with command output. :param lines: A list of lines, each ending with a newline. """ command = format_command_args(cmd_args) # We know the joined output value ends in a newline. output = "".join(lines) msg = ( # Use a unicode string to avoid "UnicodeEncodeError: 'ascii' # codec can't encode character ..." in Python 2 when a format # argument (e.g. `output`) has a non-ascii character. "Command errored out with exit status {exit_status}:\n" " command: {command_display}\n" " cwd: {cwd_display}\n" "Complete output ({line_count} lines):\n{output}{divider}" ).format( exit_status=exit_status, command_display=command, cwd_display=cwd, line_count=len(lines), output=output, divider=LOG_DIVIDER, ) return msg def call_subprocess( cmd: Union[List[str], CommandArgs], show_stdout: bool = False, cwd: Optional[str] = None, on_returncode: 'Literal["raise", "warn", "ignore"]' = "raise", extra_ok_returncodes: Optional[Iterable[int]] = None, command_desc: Optional[str] = None, extra_environ: Optional[Mapping[str, Any]] = None, unset_environ: Optional[Iterable[str]] = None, spinner: Optional[SpinnerInterface] = None, log_failed_cmd: Optional[bool] = True, stdout_only: Optional[bool] = False, ) -> str: """ Args: show_stdout: if true, use INFO to log the subprocess's stderr and stdout streams. Otherwise, use DEBUG. Defaults to False. extra_ok_returncodes: an iterable of integer return codes that are acceptable, in addition to 0. Defaults to None, which means []. unset_environ: an iterable of environment variable names to unset prior to calling subprocess.Popen(). log_failed_cmd: if false, failed commands are not logged, only raised. stdout_only: if true, return only stdout, else return both. When true, logging of both stdout and stderr occurs when the subprocess has terminated, else logging occurs as subprocess output is produced. """ if extra_ok_returncodes is None: extra_ok_returncodes = [] if unset_environ is None: unset_environ = [] # Most places in pip use show_stdout=False. What this means is-- # # - We connect the child's output (combined stderr and stdout) to a # single pipe, which we read. # - We log this output to stderr at DEBUG level as it is received. # - If DEBUG logging isn't enabled (e.g. if --verbose logging wasn't # requested), then we show a spinner so the user can still see the # subprocess is in progress. # - If the subprocess exits with an error, we log the output to stderr # at ERROR level if it hasn't already been displayed to the console # (e.g. if --verbose logging wasn't enabled). This way we don't log # the output to the console twice. # # If show_stdout=True, then the above is still done, but with DEBUG # replaced by INFO. if show_stdout: # Then log the subprocess output at INFO level. log_subprocess = subprocess_logger.info used_level = logging.INFO else: # Then log the subprocess output using VERBOSE. This also ensures # it will be logged to the log file (aka user_log), if enabled. log_subprocess = subprocess_logger.verbose used_level = VERBOSE # Whether the subprocess will be visible in the console. showing_subprocess = subprocess_logger.getEffectiveLevel() <= used_level # Only use the spinner if we're not showing the subprocess output # and we have a spinner. use_spinner = not showing_subprocess and spinner is not None if command_desc is None: command_desc = format_command_args(cmd) log_subprocess("Running command %s", command_desc) env = os.environ.copy() if extra_environ: env.update(extra_environ) for name in unset_environ: env.pop(name, None) try: proc = subprocess.Popen( # Convert HiddenText objects to the underlying str. reveal_command_args(cmd), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT if not stdout_only else subprocess.PIPE, cwd=cwd, env=env, errors="backslashreplace", ) except Exception as exc: if log_failed_cmd: subprocess_logger.critical( "Error %s while executing command %s", exc, command_desc, ) raise all_output = [] if not stdout_only: assert proc.stdout assert proc.stdin proc.stdin.close() # In this mode, stdout and stderr are in the same pipe. while True: line: str = proc.stdout.readline() if not line: break line = line.rstrip() all_output.append(line + "\n") # Show the line immediately. log_subprocess(line) # Update the spinner. if use_spinner: assert spinner spinner.spin() try: proc.wait() finally: if proc.stdout: proc.stdout.close() output = "".join(all_output) else: # In this mode, stdout and stderr are in different pipes. # We must use communicate() which is the only safe way to read both. out, err = proc.communicate() # log line by line to preserve pip log indenting for out_line in out.splitlines(): log_subprocess(out_line) all_output.append(out) for err_line in err.splitlines(): log_subprocess(err_line) all_output.append(err) output = out proc_had_error = proc.returncode and proc.returncode not in extra_ok_returncodes if use_spinner: assert spinner if proc_had_error: spinner.finish("error") else: spinner.finish("done") if proc_had_error: if on_returncode == "raise": if not showing_subprocess and log_failed_cmd: # Then the subprocess streams haven't been logged to the # console yet. msg = make_subprocess_output_error( cmd_args=cmd, cwd=cwd, lines=all_output, exit_status=proc.returncode, ) subprocess_logger.error(msg) raise InstallationSubprocessError(proc.returncode, command_desc) elif on_returncode == "warn": subprocess_logger.warning( 'Command "%s" had error code %s in %s', command_desc, proc.returncode, cwd, ) elif on_returncode == "ignore": pass else: raise ValueError(f"Invalid value: on_returncode={on_returncode!r}") return output def runner_with_spinner_message(message: str) -> Callable[..., None]: """Provide a subprocess_runner that shows a spinner message. Intended for use with for pep517's Pep517HookCaller. Thus, the runner has an API that matches what's expected by Pep517HookCaller.subprocess_runner. """ def runner( cmd: List[str], cwd: Optional[str] = None, extra_environ: Optional[Mapping[str, Any]] = None, ) -> None: with open_spinner(message) as spinner: call_subprocess( cmd, cwd=cwd, extra_environ=extra_environ, spinner=spinner, ) return runner _internal/utils/temp_dir.py 0000644 00000016756 15114542002 0012045 0 ustar 00 import errno import itertools import logging import os.path import tempfile from contextlib import ExitStack, contextmanager from typing import Any, Dict, Iterator, Optional, TypeVar, Union from pip._internal.utils.misc import enum, rmtree logger = logging.getLogger(__name__) _T = TypeVar("_T", bound="TempDirectory") # Kinds of temporary directories. Only needed for ones that are # globally-managed. tempdir_kinds = enum( BUILD_ENV="build-env", EPHEM_WHEEL_CACHE="ephem-wheel-cache", REQ_BUILD="req-build", ) _tempdir_manager: Optional[ExitStack] = None @contextmanager def global_tempdir_manager() -> Iterator[None]: global _tempdir_manager with ExitStack() as stack: old_tempdir_manager, _tempdir_manager = _tempdir_manager, stack try: yield finally: _tempdir_manager = old_tempdir_manager class TempDirectoryTypeRegistry: """Manages temp directory behavior""" def __init__(self) -> None: self._should_delete: Dict[str, bool] = {} def set_delete(self, kind: str, value: bool) -> None: """Indicate whether a TempDirectory of the given kind should be auto-deleted. """ self._should_delete[kind] = value def get_delete(self, kind: str) -> bool: """Get configured auto-delete flag for a given TempDirectory type, default True. """ return self._should_delete.get(kind, True) _tempdir_registry: Optional[TempDirectoryTypeRegistry] = None @contextmanager def tempdir_registry() -> Iterator[TempDirectoryTypeRegistry]: """Provides a scoped global tempdir registry that can be used to dictate whether directories should be deleted. """ global _tempdir_registry old_tempdir_registry = _tempdir_registry _tempdir_registry = TempDirectoryTypeRegistry() try: yield _tempdir_registry finally: _tempdir_registry = old_tempdir_registry class _Default: pass _default = _Default() class TempDirectory: """Helper class that owns and cleans up a temporary directory. This class can be used as a context manager or as an OO representation of a temporary directory. Attributes: path Location to the created temporary directory delete Whether the directory should be deleted when exiting (when used as a contextmanager) Methods: cleanup() Deletes the temporary directory When used as a context manager, if the delete attribute is True, on exiting the context the temporary directory is deleted. """ def __init__( self, path: Optional[str] = None, delete: Union[bool, None, _Default] = _default, kind: str = "temp", globally_managed: bool = False, ): super().__init__() if delete is _default: if path is not None: # If we were given an explicit directory, resolve delete option # now. delete = False else: # Otherwise, we wait until cleanup and see what # tempdir_registry says. delete = None # The only time we specify path is in for editables where it # is the value of the --src option. if path is None: path = self._create(kind) self._path = path self._deleted = False self.delete = delete self.kind = kind if globally_managed: assert _tempdir_manager is not None _tempdir_manager.enter_context(self) @property def path(self) -> str: assert not self._deleted, f"Attempted to access deleted path: {self._path}" return self._path def __repr__(self) -> str: return f"<{self.__class__.__name__} {self.path!r}>" def __enter__(self: _T) -> _T: return self def __exit__(self, exc: Any, value: Any, tb: Any) -> None: if self.delete is not None: delete = self.delete elif _tempdir_registry: delete = _tempdir_registry.get_delete(self.kind) else: delete = True if delete: self.cleanup() def _create(self, kind: str) -> str: """Create a temporary directory and store its path in self.path""" # We realpath here because some systems have their default tmpdir # symlinked to another directory. This tends to confuse build # scripts, so we canonicalize the path by traversing potential # symlinks here. path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-")) logger.debug("Created temporary directory: %s", path) return path def cleanup(self) -> None: """Remove the temporary directory created and reset state""" self._deleted = True if not os.path.exists(self._path): return rmtree(self._path) class AdjacentTempDirectory(TempDirectory): """Helper class that creates a temporary directory adjacent to a real one. Attributes: original The original directory to create a temp directory for. path After calling create() or entering, contains the full path to the temporary directory. delete Whether the directory should be deleted when exiting (when used as a contextmanager) """ # The characters that may be used to name the temp directory # We always prepend a ~ and then rotate through these until # a usable name is found. # pkg_resources raises a different error for .dist-info folder # with leading '-' and invalid metadata LEADING_CHARS = "-~.=%0123456789" def __init__(self, original: str, delete: Optional[bool] = None) -> None: self.original = original.rstrip("/\\") super().__init__(delete=delete) @classmethod def _generate_names(cls, name: str) -> Iterator[str]: """Generates a series of temporary names. The algorithm replaces the leading characters in the name with ones that are valid filesystem characters, but are not valid package names (for both Python and pip definitions of package). """ for i in range(1, len(name)): for candidate in itertools.combinations_with_replacement( cls.LEADING_CHARS, i - 1 ): new_name = "~" + "".join(candidate) + name[i:] if new_name != name: yield new_name # If we make it this far, we will have to make a longer name for i in range(len(cls.LEADING_CHARS)): for candidate in itertools.combinations_with_replacement( cls.LEADING_CHARS, i ): new_name = "~" + "".join(candidate) + name if new_name != name: yield new_name def _create(self, kind: str) -> str: root, name = os.path.split(self.original) for candidate in self._generate_names(name): path = os.path.join(root, candidate) try: os.mkdir(path) except OSError as ex: # Continue if the name exists already if ex.errno != errno.EEXIST: raise else: path = os.path.realpath(path) break else: # Final fallback on the default behavior. path = os.path.realpath(tempfile.mkdtemp(prefix=f"pip-{kind}-")) logger.debug("Created temporary directory: %s", path) return path _internal/utils/unpacking.py 0000644 00000021676 15114542002 0012216 0 ustar 00 """Utilities related archives. """ import logging import os import shutil import stat import tarfile import zipfile from typing import Iterable, List, Optional from zipfile import ZipInfo from pip._internal.exceptions import InstallationError from pip._internal.utils.filetypes import ( BZ2_EXTENSIONS, TAR_EXTENSIONS, XZ_EXTENSIONS, ZIP_EXTENSIONS, ) from pip._internal.utils.misc import ensure_dir logger = logging.getLogger(__name__) SUPPORTED_EXTENSIONS = ZIP_EXTENSIONS + TAR_EXTENSIONS try: import bz2 # noqa SUPPORTED_EXTENSIONS += BZ2_EXTENSIONS except ImportError: logger.debug("bz2 module is not available") try: # Only for Python 3.3+ import lzma # noqa SUPPORTED_EXTENSIONS += XZ_EXTENSIONS except ImportError: logger.debug("lzma module is not available") def current_umask() -> int: """Get the current umask which involves having to set it temporarily.""" mask = os.umask(0) os.umask(mask) return mask def split_leading_dir(path: str) -> List[str]: path = path.lstrip("/").lstrip("\\") if "/" in path and ( ("\\" in path and path.find("/") < path.find("\\")) or "\\" not in path ): return path.split("/", 1) elif "\\" in path: return path.split("\\", 1) else: return [path, ""] def has_leading_dir(paths: Iterable[str]) -> bool: """Returns true if all the paths have the same leading path name (i.e., everything is in one subdirectory in an archive)""" common_prefix = None for path in paths: prefix, rest = split_leading_dir(path) if not prefix: return False elif common_prefix is None: common_prefix = prefix elif prefix != common_prefix: return False return True def is_within_directory(directory: str, target: str) -> bool: """ Return true if the absolute path of target is within the directory """ abs_directory = os.path.abspath(directory) abs_target = os.path.abspath(target) prefix = os.path.commonprefix([abs_directory, abs_target]) return prefix == abs_directory def set_extracted_file_to_default_mode_plus_executable(path: str) -> None: """ Make file present at path have execute for user/group/world (chmod +x) is no-op on windows per python docs """ os.chmod(path, (0o777 & ~current_umask() | 0o111)) def zip_item_is_executable(info: ZipInfo) -> bool: mode = info.external_attr >> 16 # if mode and regular file and any execute permissions for # user/group/world? return bool(mode and stat.S_ISREG(mode) and mode & 0o111) def unzip_file(filename: str, location: str, flatten: bool = True) -> None: """ Unzip the file (with path `filename`) to the destination `location`. All files are written based on system defaults and umask (i.e. permissions are not preserved), except that regular file members with any execute permissions (user, group, or world) have "chmod +x" applied after being written. Note that for windows, any execute changes using os.chmod are no-ops per the python docs. """ ensure_dir(location) zipfp = open(filename, "rb") try: zip = zipfile.ZipFile(zipfp, allowZip64=True) leading = has_leading_dir(zip.namelist()) and flatten for info in zip.infolist(): name = info.filename fn = name if leading: fn = split_leading_dir(name)[1] fn = os.path.join(location, fn) dir = os.path.dirname(fn) if not is_within_directory(location, fn): message = ( "The zip file ({}) has a file ({}) trying to install " "outside target directory ({})" ) raise InstallationError(message.format(filename, fn, location)) if fn.endswith("/") or fn.endswith("\\"): # A directory ensure_dir(fn) else: ensure_dir(dir) # Don't use read() to avoid allocating an arbitrarily large # chunk of memory for the file's content fp = zip.open(name) try: with open(fn, "wb") as destfp: shutil.copyfileobj(fp, destfp) finally: fp.close() if zip_item_is_executable(info): set_extracted_file_to_default_mode_plus_executable(fn) finally: zipfp.close() def untar_file(filename: str, location: str) -> None: """ Untar the file (with path `filename`) to the destination `location`. All files are written based on system defaults and umask (i.e. permissions are not preserved), except that regular file members with any execute permissions (user, group, or world) have "chmod +x" applied after being written. Note that for windows, any execute changes using os.chmod are no-ops per the python docs. """ ensure_dir(location) if filename.lower().endswith(".gz") or filename.lower().endswith(".tgz"): mode = "r:gz" elif filename.lower().endswith(BZ2_EXTENSIONS): mode = "r:bz2" elif filename.lower().endswith(XZ_EXTENSIONS): mode = "r:xz" elif filename.lower().endswith(".tar"): mode = "r" else: logger.warning( "Cannot determine compression type for file %s", filename, ) mode = "r:*" tar = tarfile.open(filename, mode, encoding="utf-8") try: leading = has_leading_dir([member.name for member in tar.getmembers()]) for member in tar.getmembers(): fn = member.name if leading: fn = split_leading_dir(fn)[1] path = os.path.join(location, fn) if not is_within_directory(location, path): message = ( "The tar file ({}) has a file ({}) trying to install " "outside target directory ({})" ) raise InstallationError(message.format(filename, path, location)) # Call the `data` filter for its side effect (raising exception) try: tarfile.data_filter(member.replace(name=fn), location) except tarfile.LinkOutsideDestinationError: pass if member.isdir(): ensure_dir(path) elif member.issym(): try: # https://github.com/python/typeshed/issues/2673 tar._extract_member(member, path) # type: ignore except Exception as exc: # Some corrupt tar files seem to produce this # (specifically bad symlinks) logger.warning( "In the tar file %s the member %s is invalid: %s", filename, member.name, exc, ) continue else: try: fp = tar.extractfile(member) except (KeyError, AttributeError) as exc: # Some corrupt tar files seem to produce this # (specifically bad symlinks) logger.warning( "In the tar file %s the member %s is invalid: %s", filename, member.name, exc, ) continue ensure_dir(os.path.dirname(path)) assert fp is not None with open(path, "wb") as destfp: shutil.copyfileobj(fp, destfp) fp.close() # Update the timestamp (useful for cython compiled files) tar.utime(member, path) # member have any execute permissions for user/group/world? if member.mode & 0o111: set_extracted_file_to_default_mode_plus_executable(path) finally: tar.close() def unpack_file( filename: str, location: str, content_type: Optional[str] = None, ) -> None: filename = os.path.realpath(filename) if ( content_type == "application/zip" or filename.lower().endswith(ZIP_EXTENSIONS) or zipfile.is_zipfile(filename) ): unzip_file(filename, location, flatten=not filename.endswith(".whl")) elif ( content_type == "application/x-gzip" or tarfile.is_tarfile(filename) or filename.lower().endswith(TAR_EXTENSIONS + BZ2_EXTENSIONS + XZ_EXTENSIONS) ): untar_file(filename, location) else: # FIXME: handle? # FIXME: magic signatures? logger.critical( "Cannot unpack file %s (downloaded from %s, content-type: %s); " "cannot detect archive format", filename, location, content_type, ) raise InstallationError(f"Cannot determine archive format of {location}") _internal/utils/urls.py 0000644 00000003337 15114542002 0011216 0 ustar 00 import os import string import urllib.parse import urllib.request from typing import Optional from .compat import WINDOWS def get_url_scheme(url: str) -> Optional[str]: if ":" not in url: return None return url.split(":", 1)[0].lower() def path_to_url(path: str) -> str: """ Convert a path to a file: URL. The path will be made absolute and have quoted path parts. """ path = os.path.normpath(os.path.abspath(path)) url = urllib.parse.urljoin("file:", urllib.request.pathname2url(path)) return url def url_to_path(url: str) -> str: """ Convert a file: URL to a path. """ assert url.startswith( "file:" ), f"You can only turn file: urls into filenames (not {url!r})" _, netloc, path, _, _ = urllib.parse.urlsplit(url) if not netloc or netloc == "localhost": # According to RFC 8089, same as empty authority. netloc = "" elif WINDOWS: # If we have a UNC path, prepend UNC share notation. netloc = "\\\\" + netloc else: raise ValueError( f"non-local file URIs are not supported on this platform: {url!r}" ) path = urllib.request.url2pathname(netloc + path) # On Windows, urlsplit parses the path as something like "/C:/Users/foo". # This creates issues for path-related functions like io.open(), so we try # to detect and strip the leading slash. if ( WINDOWS and not netloc # Not UNC. and len(path) >= 3 and path[0] == "/" # Leading slash to strip. and path[1] in string.ascii_letters # Drive letter. and path[2:4] in (":", ":/") # Colon + end of string, or colon + absolute path. ): path = path[1:] return path _internal/utils/virtualenv.py 0000644 00000006603 15114542002 0012427 0 ustar 00 import logging import os import re import site import sys from typing import List, Optional logger = logging.getLogger(__name__) _INCLUDE_SYSTEM_SITE_PACKAGES_REGEX = re.compile( r"include-system-site-packages\s*=\s*(?P<value>true|false)" ) def _running_under_venv() -> bool: """Checks if sys.base_prefix and sys.prefix match. This handles PEP 405 compliant virtual environments. """ return sys.prefix != getattr(sys, "base_prefix", sys.prefix) def _running_under_regular_virtualenv() -> bool: """Checks if sys.real_prefix is set. This handles virtual environments created with pypa's virtualenv. """ # pypa/virtualenv case return hasattr(sys, "real_prefix") def running_under_virtualenv() -> bool: """Return True if we're running inside a virtualenv, False otherwise.""" return _running_under_venv() or _running_under_regular_virtualenv() def _get_pyvenv_cfg_lines() -> Optional[List[str]]: """Reads {sys.prefix}/pyvenv.cfg and returns its contents as list of lines Returns None, if it could not read/access the file. """ pyvenv_cfg_file = os.path.join(sys.prefix, "pyvenv.cfg") try: # Although PEP 405 does not specify, the built-in venv module always # writes with UTF-8. (pypa/pip#8717) with open(pyvenv_cfg_file, encoding="utf-8") as f: return f.read().splitlines() # avoids trailing newlines except OSError: return None def _no_global_under_venv() -> bool: """Check `{sys.prefix}/pyvenv.cfg` for system site-packages inclusion PEP 405 specifies that when system site-packages are not supposed to be visible from a virtual environment, `pyvenv.cfg` must contain the following line: include-system-site-packages = false Additionally, log a warning if accessing the file fails. """ cfg_lines = _get_pyvenv_cfg_lines() if cfg_lines is None: # We're not in a "sane" venv, so assume there is no system # site-packages access (since that's PEP 405's default state). logger.warning( "Could not access 'pyvenv.cfg' despite a virtual environment " "being active. Assuming global site-packages is not accessible " "in this environment." ) return True for line in cfg_lines: match = _INCLUDE_SYSTEM_SITE_PACKAGES_REGEX.match(line) if match is not None and match.group("value") == "false": return True return False def _no_global_under_regular_virtualenv() -> bool: """Check if "no-global-site-packages.txt" exists beside site.py This mirrors logic in pypa/virtualenv for determining whether system site-packages are visible in the virtual environment. """ site_mod_dir = os.path.dirname(os.path.abspath(site.__file__)) no_global_site_packages_file = os.path.join( site_mod_dir, "no-global-site-packages.txt", ) return os.path.exists(no_global_site_packages_file) def virtualenv_no_global() -> bool: """Returns a boolean, whether running in venv with no system site-packages.""" # PEP 405 compliance needs to be checked first since virtualenv >=20 would # return True for both checks, but is only able to use the PEP 405 config. if _running_under_venv(): return _no_global_under_venv() if _running_under_regular_virtualenv(): return _no_global_under_regular_virtualenv() return False _internal/utils/wheel.py 0000644 00000014023 15114542002 0011327 0 ustar 00 """Support functions for working with wheel files. """ import logging from email.message import Message from email.parser import Parser from typing import Dict, Tuple from zipfile import BadZipFile, ZipFile from pip._vendor.packaging.utils import canonicalize_name from pip._vendor.pkg_resources import DistInfoDistribution, Distribution from pip._internal.exceptions import UnsupportedWheel from pip._internal.utils.pkg_resources import DictMetadata VERSION_COMPATIBLE = (1, 0) logger = logging.getLogger(__name__) class WheelMetadata(DictMetadata): """Metadata provider that maps metadata decoding exceptions to our internal exception type. """ def __init__(self, metadata: Dict[str, bytes], wheel_name: str) -> None: super().__init__(metadata) self._wheel_name = wheel_name def get_metadata(self, name: str) -> str: try: return super().get_metadata(name) except UnicodeDecodeError as e: # Augment the default error with the origin of the file. raise UnsupportedWheel( f"Error decoding metadata for {self._wheel_name}: {e}" ) def pkg_resources_distribution_for_wheel( wheel_zip: ZipFile, name: str, location: str ) -> Distribution: """Get a pkg_resources distribution given a wheel. :raises UnsupportedWheel: on any errors """ info_dir, _ = parse_wheel(wheel_zip, name) metadata_files = [p for p in wheel_zip.namelist() if p.startswith(f"{info_dir}/")] metadata_text: Dict[str, bytes] = {} for path in metadata_files: _, metadata_name = path.split("/", 1) try: metadata_text[metadata_name] = read_wheel_metadata_file(wheel_zip, path) except UnsupportedWheel as e: raise UnsupportedWheel("{} has an invalid wheel, {}".format(name, str(e))) metadata = WheelMetadata(metadata_text, location) return DistInfoDistribution(location=location, metadata=metadata, project_name=name) def parse_wheel(wheel_zip: ZipFile, name: str) -> Tuple[str, Message]: """Extract information from the provided wheel, ensuring it meets basic standards. Returns the name of the .dist-info directory and the parsed WHEEL metadata. """ try: info_dir = wheel_dist_info_dir(wheel_zip, name) metadata = wheel_metadata(wheel_zip, info_dir) version = wheel_version(metadata) except UnsupportedWheel as e: raise UnsupportedWheel("{} has an invalid wheel, {}".format(name, str(e))) check_compatibility(version, name) return info_dir, metadata def wheel_dist_info_dir(source: ZipFile, name: str) -> str: """Returns the name of the contained .dist-info directory. Raises AssertionError or UnsupportedWheel if not found, >1 found, or it doesn't match the provided name. """ # Zip file path separators must be / subdirs = {p.split("/", 1)[0] for p in source.namelist()} info_dirs = [s for s in subdirs if s.endswith(".dist-info")] if not info_dirs: raise UnsupportedWheel(".dist-info directory not found") if len(info_dirs) > 1: raise UnsupportedWheel( "multiple .dist-info directories found: {}".format(", ".join(info_dirs)) ) info_dir = info_dirs[0] info_dir_name = canonicalize_name(info_dir) canonical_name = canonicalize_name(name) if not info_dir_name.startswith(canonical_name): raise UnsupportedWheel( ".dist-info directory {!r} does not start with {!r}".format( info_dir, canonical_name ) ) return info_dir def read_wheel_metadata_file(source: ZipFile, path: str) -> bytes: try: return source.read(path) # BadZipFile for general corruption, KeyError for missing entry, # and RuntimeError for password-protected files except (BadZipFile, KeyError, RuntimeError) as e: raise UnsupportedWheel(f"could not read {path!r} file: {e!r}") def wheel_metadata(source: ZipFile, dist_info_dir: str) -> Message: """Return the WHEEL metadata of an extracted wheel, if possible. Otherwise, raise UnsupportedWheel. """ path = f"{dist_info_dir}/WHEEL" # Zip file path separators must be / wheel_contents = read_wheel_metadata_file(source, path) try: wheel_text = wheel_contents.decode() except UnicodeDecodeError as e: raise UnsupportedWheel(f"error decoding {path!r}: {e!r}") # FeedParser (used by Parser) does not raise any exceptions. The returned # message may have .defects populated, but for backwards-compatibility we # currently ignore them. return Parser().parsestr(wheel_text) def wheel_version(wheel_data: Message) -> Tuple[int, ...]: """Given WHEEL metadata, return the parsed Wheel-Version. Otherwise, raise UnsupportedWheel. 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Args: dest: the repository directory. rev: the revision name. zshow-refFT�ignore)r> r+ r, � on_returncode� � � � )�maxsplitzunexpected show-ref line: zrefs/remotes/origin/z refs/tags/N)r2 r? �split�rstrip� ValueError�get) rB r# r rD Zrefs�lineZref_shaZref_nameZ branch_refZtag_refr r r r r% ~ s0 � zGit.get_revision_shac C s. |� d�rdS t|�sdS | �||�r*dS dS )a$ Return true if rev is a ref or is a commit that we don't have locally. Branches and tags are not considered in this method because they are assumed to be always available locally (which is a normal outcome of ``git clone`` and ``git fetch --tags``). zrefs/TF)r@ r � has_commit)rB r# r r r r � _should_fetch� s zGit._should_fetch)r# r" r( r c C s� |j }| �||�\}}|dur:|�|�}|r0|nd|_|S t|�sNt�d|� | �||�s^|S | jt dd||� � �|d� | j |dd�}|�|�}|S )z� Resolve a revision to a new RevOptions object with the SHA1 of the branch, tag, or ref if found. Args: rev_options: a RevOptions object. 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F)rZ )rB r# r\ r r r r$ � s zGit.is_commit_id_equalNc C s |� � }t�d||t|�� | �� dkr@| �tddd||�� n| �tdd||�� |jr�| �|||�}t |dd �}t� d||� |d u r�| � ||j�s�tdd|� � �}| j||d � n4| � |�|kr�d |� �}dd |d |g}| j||d � n| �|�}|�|�}t�d ||j� | �|� d S )NzCloning %s%s to %s)rL � r z--filter=blob:noner: rX z Rev options %s, branch_name %s�checkoutrV zorigin/z-bz--trackzResolved %s to commit %s)Z to_displayr4 �infor r8 r2 r r r[ �getattr�debugr$ rY rF rZ rW �update_submodules) r& r# r" r( Z rev_displayrX �cmd_argsZ track_branchr r r r � fetch_new sL �� � � z Git.fetch_newc C sB | j tdd|�|d� tdd|�� �}| j ||d� | �|� d S )N�configzremote.origin.urlrV r^ r: )r2 r rY rb �r& r# r" r( rc r r r �switch7 s �z Git.switchc C sn | � � dkr | jg d�|d� n| jddg|d� | �|||�}tddd|�� �}| j||d� | �|� d S )N)r< � )rU r: z--tagsrV rU r: �resetz--hard)r8 r2 r[ r rY rb rf r r r �updateA s z Git.updatec C s| | j g d�ddd|d�}|�� }z |d }W n tyB t�Y n0 |D ]}|�d�rH|} q`qH|�d�d }| �|�� �S ) z� Return URL of the first remote encountered. 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(\w[^:]*) $)�sha�returnc C s t t�| ��S �N)�bool� HASH_REGEX�match)r � r �9/usr/lib/python3.9/site-packages/pip/_internal/vcs/git.py�looks_like_hash7 s r c s e Zd ZdZdZdZdZdZdZe e e e d�dd ��Z e e e d �d d �Zeed f d�dd�Zee ee d�dd��Zee e eee e f d�dd��Zee e e d�dd��Zee eeed�dd��Zee ee e d �d d ��Ze eed d�d d!�Ze eed d�d"d#�Z e eed d�d$d%�Z ee e d�d&d'��Z e e e d(�d)d*��Z ee e e d+�d,d-��Z ed;e ee e d+�d.d/��Z!ee ee d�d0d1��Z"ee ee ee e#f d(�� fd2d3� �Z$ee d d�d4d5��Z%ee ee d�� fd6d7� �Z&e e e d8�d9d:��Z'� Z(S )<�Git�gitz.git�clone)zgit+httpz git+httpszgit+sshzgit+gitzgit+file)ZGIT_DIRZ GIT_WORK_TREE�HEAD)�revr c C s | gS r r �r r r r �get_base_rev_argsK s zGit.get_base_rev_args)�url�destr c C sJ | � t|��\}}|js dS | �||j�s.dS t| �||j�d �}| S )NFr )Zget_url_rev_optionsr r �is_commit_id_equalr �get_revision_sha)�selfr" r# �_� rev_optionsZis_tag_or_branchr r r �is_immutable_rev_checkoutO s z Git.is_immutable_rev_checkout.)r c C sF | j dgddd�}t�|�}|s0t�d|� dS tdd� |�� D ��S ) N�versionFT)� show_stdout� stdout_onlyzCan't parse git version: %sr c s s | ]}t |�V qd S r )�int)�.0�cr r r � <genexpr>c � z&Git.get_git_version.<locals>.<genexpr>)� run_command�GIT_VERSION_REGEXr �logger�warning�tuple�groups)r& r* r r r r �get_git_version] s zGit.get_git_version)�locationr c C sB g d�}| j |ddd|d�}|�� }|�d�r>|td�d� S dS )zl Return the current branch, or None if HEAD isn't at a branch (e.g. detached HEAD). )z symbolic-ref�-qr �� FT�Zextra_ok_returncodesr+ r, �cwdz refs/heads/N)r2 �strip� startswith�len)�clsr9 �args�output�refr r r �get_current_branche s � zGit.get_current_branch)r# r r c C s� | j d|g|dddd�}i }|�� �d�D ]T}|�d�}|s>q*z|jdd d �\}}W n tyt td |����Y n0 |||< q*d |� �}d |� �} |�|�} | dur�| dfS |�| �} | dfS )z� Return (sha_or_none, is_branch), where sha_or_none is a commit hash if the revision names a remote branch or tag, otherwise None. Args: dest: the repository directory. rev: the revision name. zshow-refFT�ignore)r> r+ r, � on_returncode� � � � )�maxsplitzunexpected show-ref line: zrefs/remotes/origin/z refs/tags/N)r2 r? �split�rstrip� ValueError�get) rB r# r rD Zrefs�lineZref_shaZref_nameZ branch_refZtag_refr r r r r% ~ s0 � zGit.get_revision_shac C s. |� d�rdS t|�sdS | �||�r*dS dS )a$ Return true if rev is a ref or is a commit that we don't have locally. Branches and tags are not considered in this method because they are assumed to be always available locally (which is a normal outcome of ``git clone`` and ``git fetch --tags``). zrefs/TF)r@ r � has_commit)rB r# r r r r � _should_fetch� s zGit._should_fetch)r# r" r( r c C s� |j }|dusJ �| �||�\}}|durF|�|�}|r<|nd|_|S t|�sZt�d|� | �||�sj|S | jt dd||� � �|d� | j |dd�}|�|�}|S )z� Resolve a revision to a new RevOptions object with the SHA1 of the branch, tag, or ref if found. Args: rev_options: a RevOptions object. Nz:Did not find branch or tag '%s', assuming revision or ref.�fetchr: �r> Z FETCH_HEADr ) Zarg_revr% �make_new� branch_namer r4 r5 rT r2 r �to_args� get_revision)rB r# r" r( r r Z is_branchr r r �resolve_revision� s* � � zGit.resolve_revision)r# �namer c C s |sdS | � |�|kS )z� Return whether the current commit hash equals the given name. Args: dest: the repository directory. name: a string name. F)rZ )rB r# r\ r r r r$ � s zGit.is_commit_id_equalNc C s |� � }t�d||t|�� | �� dkr@| �tddd||�� n| �tdd||�� |jr�| �|||�}t |dd �}t� d||� |d u r�| � ||j�s�tdd|� � �}| j||d � n4| � |�|kr�d |� �}dd |d |g}| j||d � n| �|�}|�|�}t�d ||j� | �|� d S )NzCloning %s%s to %s)rL � r z--filter=blob:noner: rX z Rev options %s, branch_name %s�checkoutrV zorigin/z-bz--trackzResolved %s to commit %s)Z to_displayr4 �infor r8 r2 r r r[ �getattr�debugr$ rY rF rZ rW �update_submodules) r& r# r" r( Z rev_displayrX �cmd_argsZ track_branchr r r r � fetch_new sL �� � � z Git.fetch_newc C sB | j tdd|�|d� tdd|�� �}| j ||d� | �|� d S )N�configzremote.origin.urlrV r^ r: )r2 r rY rb �r& r# r" r( rc r r r �switch7 s �z Git.switchc C sn | � � dkr | jg d�|d� n| jddg|d� | �|||�}tddd|�� �}| j||d� | �|� d S )N)r< � )rU r: z--tagsrV rU r: �resetz--hard)r8 r2 r[ r rY rb rf r r r �updateA s z Git.updatec C s| | j g d�ddd|d�}|�� }z |d }W n tyB t�Y n0 |D ]}|�d�rH|} q`qH|�d�d }| �|�� �S ) z� Return URL of the first remote encountered. Raises RemoteNotFoundError if the repository does not have a remote url configured. )re z --get-regexpzremote\..*\.urlr; FTr= r zremote.origin.url rK r< )r2 � splitlines� IndexErrorr r@ rN �_git_remote_to_pip_urlr? )rB r9 �stdoutZremotesZ found_remoteZremoter" r r r �get_remote_urlO s$ � zGit.get_remote_url)r" r c C sN t �d| �r| S tj�| �r*t�| ��� S t�| �}|rB|� d�S t | ��dS )a8 Convert a remote url from what git uses to what pip accepts. There are 3 legal forms **url** may take: 1. A fully qualified url: ssh://git@example.com/foo/bar.git 2. A local project.git folder: /path/to/bare/repository.git 3. SCP shorthand for form 1: git@example.com:foo/bar.git Form 1 is output as-is. Form 2 must be converted to URI and form 3 must be converted to form 1. 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Z repo_nameZschemes� classmethodr) �boolr � staticmethodr r r- r r r1 r r5 r r r9 r; rC r& rc rf rm rn rp r rt ru rx � __classcell__r r r2 r r sB �$ � 1 r ) Zloggingr �re�typingr r r Zpip._internal.utils.miscr r r r r Z pip._internal.utils.subprocessr r Z pip._internal.vcs.versioncontrolr r r r r Z getLoggerry r: �compilerV rY r] r\ r �registerr r r r �<module> s " _internal/vcs/__pycache__/versioncontrol.cpython-39.opt-1.pyc 0000644 00000050562 15114542002 0020202 0 ustar 00 a [��f�W � @ s� d Z ddlZddlZddlZddlZddlZddlmZm Z m Z m Z m Z m Z mZmZmZmZmZ ddlmZ ddlmZmZ ddlmZmZmZm Z m Z m Z m Z m Z ddl!m"Z"m#Z#m$Z$ ddl%m&Z& er�dd lm'Z' d gZ(e�)e*�Z+eee, ee, f Z-e,e.d �d d �Z/d e,e,e,ee, e,d�dd�Z0e,e,ee, d�dd�Z1G dd� de2�Z3G dd� de2�Z4G dd� d�Z5G dd� d�Z6e6� Z7G d d � d �Z8dS ) z)Handles all VCS (version control) support� N) � TYPE_CHECKING�Any�Dict�Iterable�Iterator�List�Mapping�Optional�Tuple�Type�Union)�SpinnerInterface)� BadCommand�InstallationError)� HiddenText�ask_path_exists� backup_dir� display_path�hide_url� hide_value�is_installable_dir�rmtree)� CommandArgs�call_subprocess� make_command)�get_url_scheme)�Literal�vcs��name�returnc C s& t | �}|du rdS |g d�tj v S )z3 Return true if the name looks like a URL. 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N�VersionControl)�vc_classr+ � extra_argsr c C s( |du r g }|| _ || _|| _d| _dS )z� Args: vc_class: a VersionControl subclass. rev: the name of the revision to install. extra_args: a list of extra options. N)rP r+ rO Z branch_name)rH rO r+ rP r' r' r( rG � s zRevOptions.__init__�r c C s d| j j� d| j�d�S )Nz <RevOptions z: rev=�>)rO r r+ �rH r' r' r( �__repr__� s zRevOptions.__repr__c C s | j d u r| jjS | j S rE )r+ rO �default_arg_revrS r' r' r( �arg_rev� s zRevOptions.arg_revc C s0 g }| j }|dur"|| j�|�7 }|| j7 }|S )z< Return the VCS-specific command arguments. N)rV rO �get_base_rev_argsrP )rH �argsr+ r' r' r( �to_args� s zRevOptions.to_argsc C s | j s dS d| j � d�S )N� z (to revision �)�r+ rS r' r' r( � to_display� s zRevOptions.to_display�r+ r c C s | j j|| jd�S )z� Make a copy of the current instance, but with a new rev. Args: rev: the name of the revision for the new object. �rP )rO �make_rev_optionsrP )rH r+ r' r' r( �make_new� s zRevOptions.make_new)NN)r? r@ rA �__doc__r r rK r rG rT �propertyrV rY r] ra r' r' r' r( rM w s �� rM c s� e Zd ZU i Zeedf ed< g d�Zdd�� fdd� Ze e d�dd �Z e e d d�d d ��Z e e e d�d d ��Ze e e d�dd��Zed dd�dd�Zedd�dd�Zeed d�dd�Zeed d�dd�Zeed d�d d �Z� ZS ) � VcsSupportrN � _registry)Zssh�gitZhgZbzr�sftp�svnNrQ c s t jj�| j� t� �� d S rE )�urllib�parse� uses_netloc�extend�schemesrF rG rS rI r' r( rG � s zVcsSupport.__init__c C s | j �� S rE )re �__iter__rS r' r' r( rn � s zVcsSupport.__iter__c C s t | j�� �S rE )�listre �valuesrS r' r' r( �backends� s zVcsSupport.backendsc C s dd� | j D �S )Nc S s g | ] }|j �qS r' )r8 )�.0�backendr' r' r( � <listcomp>� � z'VcsSupport.dirnames.<locals>.<listcomp>)rq rS r' r' r( �dirnames� s zVcsSupport.dirnamesc C s g }| j D ]}|�|j� q |S rE )rq rl rm )rH rm rs r' r' r( r% � s zVcsSupport.all_schemes)�clsr c C sH t |d�s t�d|j� d S |j| jvrD|� | j|j< t�d|j� d S )Nr zCannot register VCS %szRegistered VCS backend: %s)�hasattrr9 r: r? r re �debug)rH rw r' r' r( �register� s zVcsSupport.registerr c C s || j v r| j |= d S rE )re �rH r r' r' r( � unregister� s zVcsSupport.unregister�r4 r c C sX i }| j �� D ],}|�|�}|s"qt�d||j� |||< q|sDdS t|td�}|| S )zv Return a VersionControl object if a repository of that type is found at the given directory. z Determine that %s uses VCS: %sN)�key)re rp �get_repository_rootr9 ry r �max�len)rH r4 Z vcs_backends� vcs_backendZ repo_pathZinner_most_repo_pathr' r' r( �get_backend_for_dir� s z VcsSupport.get_backend_for_dir)r& r c C s& | j �� D ]}||jv r | S q dS )�9 Return a VersionControl object or None. N)re rp rm )rH r& r� r' r' r( �get_backend_for_scheme� s z!VcsSupport.get_backend_for_schemec C s |� � }| j�|�S )r� )�lowerre �getr{ r' r' r( � get_backend s zVcsSupport.get_backend)r? r@ rA re r rK �__annotations__rm rG r rn rc r rq rv r% r rz r| r r� r� r� rL r' r' rI r( rd � s rd c @ s� e Zd ZU dZdZdZdZeedf e d< dZ eedf e d< dZ e e e d< e eed�d d ��Ze ee e d �d d ��Ze eed�dd��Ze eeed�dd��Zeeee d�dd��Zeeed�dd�Ze dPe e e e ed�dd ��Ze eed �d d ��Ze eeeeee e e e f f d �d!d"��Ze eeee e e f d#�d$d%��Z ee e e e ed&�d'd(��Z e ee ef d#�d)d*�Z eeed#�d+d,��Z!e eeed-�d.d/��Z"ee edd0�d1d2�Z#ee edd0�d3d4�Z$ee edd0�d5d6�Z%e ee e ed7�d8d9��Z&ee dd:�d;d<�Z'ee dd=�d>d?�Z(e eed �d@dA��Z)e eed �dBdC��Z*e dQe+ee ef ee e dGe e,e- e e e e.ee/f e e0 eeedH� dIdJ��Z1e eedK�dLdM��Z2e ee e d �dNdO��Z3dS )RrN rZ r' .rm � unset_environNrU )� remote_urlr c C s |� � �| j� d�� S )z� Return whether the vcs prefix (e.g. "git+") should be added to a repository's remote url when used in a requirement. �:)r� � startswithr )rw r� r' r' r( �should_add_vcs_url_prefix s z(VersionControl.should_add_vcs_url_prefixr} c C s dS )z� Return the path to Python project root, relative to the repo root. Return None if the project root is in the repo root. Nr' �rw r4 r' r' r( �get_subdirectory s z VersionControl.get_subdirectory)�repo_dirr c C s | � |�S )zR Return the revision string that should be used in a requirement. )� get_revision)rw r� r' r' r( �get_requirement_revision' s z'VersionControl.get_requirement_revision)r� r, r c C sL | � |�}| �|�r$| j� d|� �}| �|�}| �|�}t||||d�}|S )aC Return the requirement string to use to redownload the files currently at the given repository directory. Args: project_name: the (unescaped) project name. The return value has a form similar to the following: {repository_url}@{revision}#egg={project_name} �+)r- )�get_remote_urlr� r r� r� r3 )rw r� r, r* Zrevisionr- r2 r' r' r( �get_src_requirement. s z"VersionControl.get_src_requirementr^ c C s t �dS )z� Return the base revision arguments for a vcs command. Args: rev: the name of a revision to install. Cannot be None. N��NotImplementedErrorr\ r' r' r( rW F s z VersionControl.get_base_rev_args)rD �destr c C s dS )aZ Return true if the commit hash checked out at dest matches the revision in url. Always return False, if the VCS does not support immutable commit hashes. This method does not check if there are local uncommitted changes in dest after checkout, as pip currently has no use case for that. Fr' )rH rD r� r' r' r( �is_immutable_rev_checkoutP s z(VersionControl.is_immutable_rev_checkout)r+ rP r c C s t | ||d�S )z� Return a RevOptions object. Args: rev: the name of a revision to install. extra_args: a list of extra options. r_ )rM )rw r+ rP r' r' r( r` ] s z VersionControl.make_rev_options)�repor c C s& t j�|�\}}|�t jj�p$t|�S )zs posix absolute paths start with os.path.sep, win32 ones start with drive (like c:\folder) )r6 r7 � splitdriver� �sep�bool)rw r� �drive�tailr' r' r( �_is_local_repositoryj s z#VersionControl._is_local_repository)�netlocr& r c C s |dfS )aZ Parse the repository URL's netloc, and return the new netloc to use along with auth information. Args: netloc: the original repository URL netloc. scheme: the repository URL's scheme without the vcs prefix. This is mainly for the Subversion class to override, so that auth information can be provided via the --username and --password options instead of through the URL. For other subclasses like Git without such an option, auth information must stay in the URL. Returns: (netloc, (username, password)). )NNr' )rw r� r& r' r' r( �get_netloc_and_auths s z"VersionControl.get_netloc_and_auth)rD r c C s� t j�|�\}}}}}d|vr,td�|���|�dd�d }| �||�\}}d}d|v rz|�dd�\}}|sztd�|���t j� ||||df�}|||fS )z� Parse the repository URL to use, and return the URL, revision, and auth info to use. Returns: (url, rev, (username, password)). r� zvSorry, {!r} is a malformed VCS url. The format is <vcs>+<protocol>://<url>, e.g. svn+http://myrepo/svn/MyApp#egg=MyApp� Nr0 zyThe URL {!r} has an empty revision (after @) which is not supported. Include a revision after @ or remove @ from the URL.rZ ) ri rj �urlsplit� ValueError�format�splitr� �rsplitr � urlunsplit) rw rD r& r� r7 �query�frag� user_passr+ r' r' r( �get_url_rev_and_auth� s( ����z#VersionControl.get_url_rev_and_auth)�username�passwordr c C s g S )zM Return the RevOptions "extra arguments" to use in obtain(). r' )r� r� r' r' r( � make_rev_args� s z VersionControl.make_rev_argsc C sT | � |j�\}}}|\}}d}|dur.t|�}| �||�}| j||d�} t|�| fS )zq Return the URL and RevOptions object to use in obtain(), as a tuple (url, rev_options). Nr_ )r� �secretr r� r` r ) rH rD Z secret_urlr+ r� r� Zsecret_passwordr� rP � rev_optionsr' r' r( �get_url_rev_options� s z"VersionControl.get_url_rev_optionsc C s t j�| ��d�S )zi Normalize a URL for comparison by unquoting it and removing any trailing slash. �/)ri rj �unquote�rstriprC r' r' r( � normalize_url� s z VersionControl.normalize_url)�url1�url2r c C s | � |�| � |�kS )zV Compare two repo URLs for identity, ignoring incidental differences. )r� )rw r� r� r' r' r( � compare_urls� s zVersionControl.compare_urls)r� rD r� r c C s t �dS )z� Fetch a revision from a repository, in the case that this is the first fetch from the repository. Args: dest: the directory to fetch the repository to. rev_options: a RevOptions object. Nr� �rH r� rD r� r' r' r( � fetch_new� s zVersionControl.fetch_newc C s t �dS )z} Switch the repo at ``dest`` to point to ``URL``. Args: rev_options: a RevOptions object. Nr� r� r' r' r( �switch� s zVersionControl.switchc C s t �dS )z� Update an already-existing repo to the given ``rev_options``. Args: rev_options: a RevOptions object. Nr� r� r' r' r( �update� s zVersionControl.update)r� r r c C s t �dS )z� Return whether the id of the current commit equals the given name. Args: dest: the repository directory. name: a string name. Nr� )rw r� r r' r' r( �is_commit_id_equal� s z!VersionControl.is_commit_id_equal)r� rD r c C s� | � |�\}}tj�|�s,| �|||� dS |�� }| �|�r�| �|�}| �||j �r�t � d| j � � t|�|� | �||j�s�t �dt|�| j |� | �|||� n t �d� dS t �d| j| j t|�|� d}nt �d|| j| j � d}t �d | j|� td �|d �|d �}|d k�r&t�d� |dk�rZt �dt|�� t|� | �|||� dS |dk�r�t|�}t �dt|�|� t� ||� | �|||� dS |dk�r�t �d| j t|�||� | � |||� dS )a Install or update in editable mode the package represented by this VersionControl object. :param dest: the repository directory in which to install or update. :param url: the repository URL starting with a vcs prefix. Nz)%s in %s exists, and has correct URL (%s)zUpdating %s %s%sz$Skipping because already up-to-date.z %s %s in %s exists with URL %s)z%(s)witch, (i)gnore, (w)ipe, (b)ackup )�s�i�w�bz0Directory %s already exists, and is not a %s %s.)z(i)gnore, (w)ipe, (b)ackup )r� r� r� z+The plan is to install the %s repository %szWhat to do? {}r r� �a���r� z Deleting %sr� zBacking up %s to %sr� zSwitching %s %s to %s%s) r� r6 r7 �existsr� r] �is_repository_directoryr� r� r� r9 ry � repo_name�titler r� r+ �infor� r: r r r� �sys�exitr r �shutil�mover� ) rH r� rD r� Z rev_displayZ existing_url�promptZresponseZdest_dirr' r' r( �obtain� s� �� ��� �zVersionControl.obtain)r4 rD r c C s& t j�|�rt|� | j||d� dS )z� Clean up current location and download the url repository (and vcs infos) into location :param url: the repository URL starting with a vcs prefix. rC N)r6 r7 r� r r� )rH r4 rD r' r' r( �unpackM s zVersionControl.unpackc C s t �dS )z� Return the url used at location Raises RemoteNotFoundError if the repository does not have a remote url configured. 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See possible solutions at https://pip.pypa.io/en/latest/reference/pip_freeze/#fixing-permission-denied.N)r r r r� �FileNotFoundErrorr �PermissionError) rw r� r� r� r� r� r� r� r� r� r� r' r' r( � run_commandi s2 � �� �zVersionControl.run_command)r7 r c C s, t �d|| j| j� tj�tj�|| j��S )zL Return whether a directory path is a repository directory. z Checking in %s for %s (%s)...)r9 ry r8 r r6 r7 r� �join)rw r7 r' r' r( r� � s z&VersionControl.is_repository_directoryc C s | � |�r|S dS )ay Return the "root" (top-level) directory controlled by the vcs, or `None` if the directory is not in any. It is meant to be overridden to implement smarter detection mechanisms for specific vcs. This can do more than is_repository_directory() alone. For example, the Git override checks that Git is actually available. N)r� r� r' r' r( r � s z"VersionControl.get_repository_root)NN) TNr� NNNNTF)4r? r@ rA r r8 r� rm r rK r� r� rU r � classmethodr� r� r� r� r� � staticmethodr rW r� r rM r` r� r� �AuthInfor� r r� r� r� r� r� r� r� r� r� r� r� r� r r �intr r r r� r� r r' r' r' r( rN s� � � � � X � �5rN )N)9rb Zloggingr6 r� r� � urllib.parseri �typingr r r r r r r r r r r Zpip._internal.cli.spinnersr Zpip._internal.exceptionsr r Zpip._internal.utils.miscr r r r r r r r Z pip._internal.utils.subprocessr r r Zpip._internal.utils.urlsr r �__all__Z getLoggerr? r9 rK r� r� r) r3 r= � Exceptionr> rB rM rd r rN r' r' r' r( �<module> s> 4 ( � � � CP _internal/vcs/__pycache__/versioncontrol.cpython-39.pyc 0000644 00000050562 15114542002 0017243 0 ustar 00 a [��f�W � @ s� d Z ddlZddlZddlZddlZddlZddlmZm Z m Z m Z m Z m Z mZmZmZmZmZ ddlmZ ddlmZmZ ddlmZmZmZm Z m Z m Z m Z m Z ddl!m"Z"m#Z#m$Z$ ddl%m&Z& er�dd lm'Z' d gZ(e�)e*�Z+eee, ee, f Z-e,e.d �d d �Z/d e,e,e,ee, e,d�dd�Z0e,e,ee, d�dd�Z1G dd� de2�Z3G dd� de2�Z4G dd� d�Z5G dd� d�Z6e6� Z7G d d � d �Z8dS ) z)Handles all VCS (version control) support� N) � TYPE_CHECKING�Any�Dict�Iterable�Iterator�List�Mapping�Optional�Tuple�Type�Union)�SpinnerInterface)� BadCommand�InstallationError)� HiddenText�ask_path_exists� backup_dir� display_path�hide_url� hide_value�is_installable_dir�rmtree)� CommandArgs�call_subprocess� make_command)�get_url_scheme)�Literal�vcs��name�returnc C s& t | �}|du rdS |g d�tj v S )z3 Return true if the name looks like a URL. NF)�http�https�file�ftp)r r � all_schemes)r �scheme� r' �D/usr/lib/python3.9/site-packages/pip/_internal/vcs/versioncontrol.py�is_url4 s r) )�repo_url�rev� project_name�subdirr c C s6 |� dd�}| � d|� d|� �}|r2|d|� �7 }|S )z� Return the URL for a VCS requirement. Args: repo_url: the remote VCS url, with any needed VCS prefix (e.g. "git+"). project_name: the (unescaped) project name. �-�_�@z#egg=z&subdirectory=)�replace)r* r+ r, r- Zegg_project_name�reqr' r' r( �make_vcs_requirement_url> s r3 )�location� repo_rootr c C sV | }t | �s6| }tj�| �} | |krt�d|� dS qtj�|| �rHdS tj�| |�S )z� Find the the Python project's root by searching up the filesystem from `location`. Return the path to project root relative to `repo_root`. Return None if the project root is `repo_root`, or cannot be found. zOCould not find a Python project for directory %s (tried all parent directories)N)r �os�path�dirname�logger�warning�samefile�relpath)r4 r5 Z orig_locationZ last_locationr' r' r( �(find_path_to_project_root_from_repo_rootP s �r= c @ s e Zd ZdS )�RemoteNotFoundErrorN)�__name__� __module__� __qualname__r' r' r' r( r> m s r> c s" e Zd Zed�� fdd� Z� ZS )�RemoteNotValidError��urlc s t � �|� || _d S �N)�super�__init__rD )�selfrD �� __class__r' r( rG r s z RemoteNotValidError.__init__)r? r@ rA �strrG � __classcell__r' r' rI r( rB q s rB c @ s� e Zd ZdZded ee ee dd�dd�Zed�dd �Z e ee d�d d ��Z ed�d d �Z ed�dd�Z ed d�dd�ZdS )� RevOptionsz� Encapsulates a VCS-specific revision to install, along with any VCS install options. Instances of this class should be treated as if immutable. N�VersionControl)�vc_classr+ � extra_argsr c C s( |du r g }|| _ || _|| _d| _dS )z� Args: vc_class: a VersionControl subclass. rev: the name of the revision to install. extra_args: a list of extra options. N)rP r+ rO Z branch_name)rH rO r+ rP r' r' r( rG � s zRevOptions.__init__�r c C s d| j j� d| j�d�S )Nz <RevOptions z: rev=�>)rO r r+ �rH r' r' r( �__repr__� s zRevOptions.__repr__c C s | j d u r| jjS | j S rE )r+ rO �default_arg_revrS r' r' r( �arg_rev� s zRevOptions.arg_revc C s0 g }| j }|dur"|| j�|�7 }|| j7 }|S )z< Return the VCS-specific command arguments. N)rV rO �get_base_rev_argsrP )rH �argsr+ r' r' r( �to_args� s zRevOptions.to_argsc C s | j s dS d| j � d�S )N� z (to revision �)�r+ rS r' r' r( � to_display� s zRevOptions.to_display�r+ r c C s | j j|| jd�S )z� Make a copy of the current instance, but with a new rev. Args: rev: the name of the revision for the new object. �rP )rO �make_rev_optionsrP )rH r+ r' r' r( �make_new� s zRevOptions.make_new)NN)r? r@ rA �__doc__r r rK r rG rT �propertyrV rY r] ra r' r' r' r( rM w s �� rM c s� e Zd ZU i Zeedf ed< g d�Zdd�� fdd� Ze e d�dd �Z e e d d�d d ��Z e e e d�d d ��Ze e e d�dd��Zed dd�dd�Zedd�dd�Zeed d�dd�Zeed d�dd�Zeed d�d d �Z� ZS ) � VcsSupportrN � _registry)Zssh�gitZhgZbzr�sftp�svnNrQ c s t jj�| j� t� �� d S rE )�urllib�parse� uses_netloc�extend�schemesrF rG rS rI r' r( rG � s zVcsSupport.__init__c C s | j �� S rE )re �__iter__rS r' r' r( rn � s zVcsSupport.__iter__c C s t | j�� �S rE )�listre �valuesrS r' r' r( �backends� s zVcsSupport.backendsc C s dd� | j D �S )Nc S s g | ] }|j �qS r' )r8 )�.0�backendr' r' r( � <listcomp>� � z'VcsSupport.dirnames.<locals>.<listcomp>)rq rS r' r' r( �dirnames� s zVcsSupport.dirnamesc C s g }| j D ]}|�|j� q |S rE )rq rl rm )rH rm rs r' r' r( r% � s zVcsSupport.all_schemes)�clsr c C sH t |d�s t�d|j� d S |j| jvrD|� | j|j< t�d|j� d S )Nr zCannot register VCS %szRegistered VCS backend: %s)�hasattrr9 r: r? r re �debug)rH rw r' r' r( �register� s zVcsSupport.registerr c C s || j v r| j |= d S rE )re �rH r r' r' r( � unregister� s zVcsSupport.unregister�r4 r c C sX i }| j �� D ],}|�|�}|s"qt�d||j� |||< q|sDdS t|td�}|| S )zv Return a VersionControl object if a repository of that type is found at the given directory. z Determine that %s uses VCS: %sN)�key)re rp �get_repository_rootr9 ry r �max�len)rH r4 Z vcs_backends� vcs_backendZ repo_pathZinner_most_repo_pathr' r' r( �get_backend_for_dir� s z VcsSupport.get_backend_for_dir)r& r c C s& | j �� D ]}||jv r | S q dS )�9 Return a VersionControl object or None. N)re rp rm )rH r& r� r' r' r( �get_backend_for_scheme� s z!VcsSupport.get_backend_for_schemec C s |� � }| j�|�S )r� )�lowerre �getr{ r' r' r( � get_backend s zVcsSupport.get_backend)r? r@ rA re r rK �__annotations__rm rG r rn rc r rq rv r% r rz r| r r� r� r� rL r' r' rI r( rd � s rd c @ s� e Zd ZU dZdZdZdZeedf e d< dZ eedf e d< dZ e e e d< e eed�d d ��Ze ee e d �d d ��Ze eed�dd��Ze eeed�dd��Zeeee d�dd��Zeeed�dd�Ze dPe e e e ed�dd ��Ze eed �d d ��Ze eeeeee e e e f f d �d!d"��Ze eeee e e f d#�d$d%��Z ee e e e ed&�d'd(��Z e ee ef d#�d)d*�Z eeed#�d+d,��Z!e eeed-�d.d/��Z"ee edd0�d1d2�Z#ee edd0�d3d4�Z$ee edd0�d5d6�Z%e ee e ed7�d8d9��Z&ee dd:�d;d<�Z'ee dd=�d>d?�Z(e eed �d@dA��Z)e eed �dBdC��Z*e dQe+ee ef ee e dGe e,e- e e e e.ee/f e e0 eeedH� dIdJ��Z1e eedK�dLdM��Z2e ee e d �dNdO��Z3dS )RrN rZ r' .rm � unset_environNrU )� remote_urlr c C s |� � �| j� d�� S )z� Return whether the vcs prefix (e.g. "git+") should be added to a repository's remote url when used in a requirement. �:)r� � startswithr )rw r� r' r' r( �should_add_vcs_url_prefix s z(VersionControl.should_add_vcs_url_prefixr} c C s dS )z� Return the path to Python project root, relative to the repo root. Return None if the project root is in the repo root. Nr' �rw r4 r' r' r( �get_subdirectory s z VersionControl.get_subdirectory)�repo_dirr c C s | � |�S )zR Return the revision string that should be used in a requirement. )� get_revision)rw r� r' r' r( �get_requirement_revision' s z'VersionControl.get_requirement_revision)r� r, r c C sL | � |�}| �|�r$| j� d|� �}| �|�}| �|�}t||||d�}|S )aC Return the requirement string to use to redownload the files currently at the given repository directory. Args: project_name: the (unescaped) project name. The return value has a form similar to the following: {repository_url}@{revision}#egg={project_name} �+)r- )�get_remote_urlr� r r� r� r3 )rw r� r, r* Zrevisionr- r2 r' r' r( �get_src_requirement. s z"VersionControl.get_src_requirementr^ c C s t �dS )z� Return the base revision arguments for a vcs command. Args: rev: the name of a revision to install. Cannot be None. N��NotImplementedErrorr\ r' r' r( rW F s z VersionControl.get_base_rev_args)rD �destr c C s dS )aZ Return true if the commit hash checked out at dest matches the revision in url. Always return False, if the VCS does not support immutable commit hashes. This method does not check if there are local uncommitted changes in dest after checkout, as pip currently has no use case for that. Fr' )rH rD r� r' r' r( �is_immutable_rev_checkoutP s z(VersionControl.is_immutable_rev_checkout)r+ rP r c C s t | ||d�S )z� Return a RevOptions object. Args: rev: the name of a revision to install. extra_args: a list of extra options. r_ )rM )rw r+ rP r' r' r( r` ] s z VersionControl.make_rev_options)�repor c C s& t j�|�\}}|�t jj�p$t|�S )zs posix absolute paths start with os.path.sep, win32 ones start with drive (like c:\folder) )r6 r7 � splitdriver� �sep�bool)rw r� �drive�tailr' r' r( �_is_local_repositoryj s z#VersionControl._is_local_repository)�netlocr& r c C s |dfS )aZ Parse the repository URL's netloc, and return the new netloc to use along with auth information. Args: netloc: the original repository URL netloc. scheme: the repository URL's scheme without the vcs prefix. This is mainly for the Subversion class to override, so that auth information can be provided via the --username and --password options instead of through the URL. For other subclasses like Git without such an option, auth information must stay in the URL. Returns: (netloc, (username, password)). )NNr' )rw r� r& r' r' r( �get_netloc_and_auths s z"VersionControl.get_netloc_and_auth)rD r c C s� t j�|�\}}}}}d|vr,td�|���|�dd�d }| �||�\}}d}d|v rz|�dd�\}}|sztd�|���t j� ||||df�}|||fS )z� Parse the repository URL to use, and return the URL, revision, and auth info to use. Returns: (url, rev, (username, password)). r� zvSorry, {!r} is a malformed VCS url. The format is <vcs>+<protocol>://<url>, e.g. svn+http://myrepo/svn/MyApp#egg=MyApp� Nr0 zyThe URL {!r} has an empty revision (after @) which is not supported. Include a revision after @ or remove @ from the URL.rZ ) ri rj �urlsplit� ValueError�format�splitr� �rsplitr � urlunsplit) rw rD r& r� r7 �query�frag� user_passr+ r' r' r( �get_url_rev_and_auth� s( ����z#VersionControl.get_url_rev_and_auth)�username�passwordr c C s g S )zM Return the RevOptions "extra arguments" to use in obtain(). r' )r� r� r' r' r( � make_rev_args� s z VersionControl.make_rev_argsc C sT | � |j�\}}}|\}}d}|dur.t|�}| �||�}| j||d�} t|�| fS )zq Return the URL and RevOptions object to use in obtain(), as a tuple (url, rev_options). Nr_ )r� �secretr r� r` r ) rH rD Z secret_urlr+ r� r� Zsecret_passwordr� rP � rev_optionsr' r' r( �get_url_rev_options� s z"VersionControl.get_url_rev_optionsc C s t j�| ��d�S )zi Normalize a URL for comparison by unquoting it and removing any trailing slash. �/)ri rj �unquote�rstriprC r' r' r( � normalize_url� s z VersionControl.normalize_url)�url1�url2r c C s | � |�| � |�kS )zV Compare two repo URLs for identity, ignoring incidental differences. )r� )rw r� r� r' r' r( � compare_urls� s zVersionControl.compare_urls)r� rD r� r c C s t �dS )z� Fetch a revision from a repository, in the case that this is the first fetch from the repository. Args: dest: the directory to fetch the repository to. rev_options: a RevOptions object. Nr� �rH r� rD r� r' r' r( � fetch_new� s zVersionControl.fetch_newc C s t �dS )z} Switch the repo at ``dest`` to point to ``URL``. Args: rev_options: a RevOptions object. Nr� r� r' r' r( �switch� s zVersionControl.switchc C s t �dS )z� Update an already-existing repo to the given ``rev_options``. Args: rev_options: a RevOptions object. Nr� r� r' r' r( �update� s zVersionControl.update)r� r r c C s t �dS )z� Return whether the id of the current commit equals the given name. Args: dest: the repository directory. name: a string name. Nr� )rw r� r r' r' r( �is_commit_id_equal� s z!VersionControl.is_commit_id_equal)r� rD r c C s� | � |�\}}tj�|�s,| �|||� dS |�� }| �|�r�| �|�}| �||j �r�t � d| j � � t|�|� | �||j�s�t �dt|�| j |� | �|||� n t �d� dS t �d| j| j t|�|� d}nt �d|| j| j � d}t �d | j|� td �|d �|d �}|d k�r&t�d� |dk�rZt �dt|�� t|� | �|||� dS |dk�r�t|�}t �dt|�|� t� ||� | �|||� dS |dk�r�t �d| j t|�||� | � |||� dS )a Install or update in editable mode the package represented by this VersionControl object. :param dest: the repository directory in which to install or update. :param url: the repository URL starting with a vcs prefix. Nz)%s in %s exists, and has correct URL (%s)zUpdating %s %s%sz$Skipping because already up-to-date.z %s %s in %s exists with URL %s)z%(s)witch, (i)gnore, (w)ipe, (b)ackup )�s�i�w�bz0Directory %s already exists, and is not a %s %s.)z(i)gnore, (w)ipe, (b)ackup )r� r� r� z+The plan is to install the %s repository %szWhat to do? {}r r� �a���r� z Deleting %sr� zBacking up %s to %sr� zSwitching %s %s to %s%s) r� r6 r7 �existsr� r] �is_repository_directoryr� r� r� r9 ry � repo_name�titler r� r+ �infor� r: r r r� �sys�exitr r �shutil�mover� ) rH r� rD r� Z rev_displayZ existing_url�promptZresponseZdest_dirr' r' r( �obtain� s� �� ��� �zVersionControl.obtain)r4 rD r c C s& t j�|�rt|� | j||d� dS )z� Clean up current location and download the url repository (and vcs infos) into location :param url: the repository URL starting with a vcs prefix. rC N)r6 r7 r� r r� )rH r4 rD r' r' r( �unpackM s zVersionControl.unpackc C s t �dS )z� Return the url used at location Raises RemoteNotFoundError if the repository does not have a remote url configured. Nr� r� r' r' r( r� X s z VersionControl.get_remote_urlc C s t �dS )zR Return the current commit id of the files at the given location. Nr� r� r' r' r( r� b s zVersionControl.get_revisionT�raiseFz"Literal["raise", "warn", "ignore"]) �cmd� show_stdout�cwd� on_returncode�extra_ok_returncodes� command_desc� extra_environ�spinner�log_failed_cmd� stdout_onlyr c C s� t | jg|�R � }z"t|||||||| j|| | d� W S ty` td| j�d| j�d���Y n$ ty� td| j�d���Y n0 dS )z� Run a VCS subcommand This is simply a wrapper around call_subprocess that adds the VCS command name, and checks that the VCS is available )r� r� r� r� r� r� r� r� zCannot find command z - do you have z installed and in your PATH?zNo permission to execute z� - install it locally, globally (ask admin), or check your PATH. See possible solutions at https://pip.pypa.io/en/latest/reference/pip_freeze/#fixing-permission-denied.N)r r r r� �FileNotFoundErrorr �PermissionError) rw r� r� r� r� r� r� r� r� r� r� r' r' r( � run_commandi s2 � �� �zVersionControl.run_command)r7 r c C s, t �d|| j| j� tj�tj�|| j��S )zL Return whether a directory path is a repository directory. z Checking in %s for %s (%s)...)r9 ry r8 r r6 r7 r� �join)rw r7 r' r' r( r� � s z&VersionControl.is_repository_directoryc C s | � |�r|S dS )ay Return the "root" (top-level) directory controlled by the vcs, or `None` if the directory is not in any. It is meant to be overridden to implement smarter detection mechanisms for specific vcs. This can do more than is_repository_directory() alone. For example, the Git override checks that Git is actually available. N)r� r� r' r' r( r � s z"VersionControl.get_repository_root)NN) TNr� NNNNTF)4r? r@ rA r r8 r� rm r rK r� r� rU r � classmethodr� r� r� r� r� � staticmethodr rW r� r rM r` r� r� �AuthInfor� r r� r� r� r� r� r� r� r� r� r� r� r� r r �intr r r r� r� r r' r' r' r( rN s� � � � � X � �5rN )N)9rb Zloggingr6 r� r� � urllib.parseri �typingr r r r r r r r r r r Zpip._internal.cli.spinnersr Zpip._internal.exceptionsr r Zpip._internal.utils.miscr r r r r r r r Z pip._internal.utils.subprocessr r r Zpip._internal.utils.urlsr r �__all__Z getLoggerr? r9 rK r� r� r) r3 r= � Exceptionr> rB rM rd r rN r' r' r' r( �<module> s> 4 ( � � � CP _internal/vcs/__init__.py 0000644 00000001124 15114542002 0011413 0 ustar 00 # Expose a limited set of classes and functions so callers outside of # the vcs package don't need to import deeper than `pip._internal.vcs`. # (The test directory may still need to import from a vcs sub-package.) # Import all vcs modules to register each VCS in the VcsSupport object. import pip._internal.vcs.bazaar import pip._internal.vcs.git import pip._internal.vcs.mercurial import pip._internal.vcs.subversion # noqa: F401 from pip._internal.vcs.versioncontrol import ( # noqa: F401 RemoteNotFoundError, RemoteNotValidError, is_url, make_vcs_requirement_url, vcs, ) _internal/vcs/bazaar.py 0000644 00000005451 15114542002 0011123 0 ustar 00 import logging from typing import List, Optional, Tuple from pip._internal.utils.misc import HiddenText, display_path from pip._internal.utils.subprocess import make_command from pip._internal.utils.urls import path_to_url from pip._internal.vcs.versioncontrol import ( AuthInfo, RemoteNotFoundError, RevOptions, VersionControl, vcs, ) logger = logging.getLogger(__name__) class Bazaar(VersionControl): name = "bzr" dirname = ".bzr" repo_name = "branch" schemes = ( "bzr+http", "bzr+https", "bzr+ssh", "bzr+sftp", "bzr+ftp", "bzr+lp", "bzr+file", ) @staticmethod def get_base_rev_args(rev: str) -> List[str]: return ["-r", rev] def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: rev_display = rev_options.to_display() logger.info( "Checking out %s%s to %s", url, rev_display, display_path(dest), ) cmd_args = make_command("branch", "-q", rev_options.to_args(), url, dest) self.run_command(cmd_args) def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: self.run_command(make_command("switch", url), cwd=dest) def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: cmd_args = make_command("pull", "-q", rev_options.to_args()) self.run_command(cmd_args, cwd=dest) @classmethod def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]: # hotfix the URL scheme after removing bzr+ from bzr+ssh:// readd it url, rev, user_pass = super().get_url_rev_and_auth(url) if url.startswith("ssh://"): url = "bzr+" + url return url, rev, user_pass @classmethod def get_remote_url(cls, location: str) -> str: urls = cls.run_command( ["info"], show_stdout=False, stdout_only=True, cwd=location ) for line in urls.splitlines(): line = line.strip() for x in ("checkout of branch: ", "parent branch: "): if line.startswith(x): repo = line.split(x)[1] if cls._is_local_repository(repo): return path_to_url(repo) return repo raise RemoteNotFoundError @classmethod def get_revision(cls, location: str) -> str: revision = cls.run_command( ["revno"], show_stdout=False, stdout_only=True, cwd=location, ) return revision.splitlines()[-1] @classmethod def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool: """Always assume the versions don't match""" return False vcs.register(Bazaar) _internal/vcs/git.py 0000644 00000042614 15114542002 0010450 0 ustar 00 import logging import os.path import pathlib import re import urllib.parse import urllib.request from typing import List, Optional, Tuple from pip._internal.exceptions import BadCommand, InstallationError from pip._internal.utils.misc import HiddenText, display_path, hide_url from pip._internal.utils.subprocess import make_command from pip._internal.vcs.versioncontrol import ( AuthInfo, RemoteNotFoundError, RemoteNotValidError, RevOptions, VersionControl, find_path_to_project_root_from_repo_root, vcs, ) urlsplit = urllib.parse.urlsplit urlunsplit = urllib.parse.urlunsplit logger = logging.getLogger(__name__) GIT_VERSION_REGEX = re.compile( r"^git version " # Prefix. r"(\d+)" # Major. r"\.(\d+)" # Dot, minor. r"(?:\.(\d+))?" # Optional dot, patch. r".*$" # Suffix, including any pre- and post-release segments we don't care about. ) HASH_REGEX = re.compile("^[a-fA-F0-9]{40}$") # SCP (Secure copy protocol) shorthand. e.g. 'git@example.com:foo/bar.git' SCP_REGEX = re.compile( r"""^ # Optional user, e.g. 'git@' (\w+@)? # Server, e.g. 'github.com'. ([^/:]+): # The server-side path. e.g. 'user/project.git'. Must start with an # alphanumeric character so as not to be confusable with a Windows paths # like 'C:/foo/bar' or 'C:\foo\bar'. (\w[^:]*) $""", re.VERBOSE, ) def looks_like_hash(sha: str) -> bool: return bool(HASH_REGEX.match(sha)) class Git(VersionControl): name = "git" dirname = ".git" repo_name = "clone" schemes = ( "git+http", "git+https", "git+ssh", "git+git", "git+file", ) # Prevent the user's environment variables from interfering with pip: # https://github.com/pypa/pip/issues/1130 unset_environ = ("GIT_DIR", "GIT_WORK_TREE") default_arg_rev = "HEAD" @staticmethod def get_base_rev_args(rev: str) -> List[str]: return [rev] def is_immutable_rev_checkout(self, url: str, dest: str) -> bool: _, rev_options = self.get_url_rev_options(hide_url(url)) if not rev_options.rev: return False if not self.is_commit_id_equal(dest, rev_options.rev): # the current commit is different from rev, # which means rev was something else than a commit hash return False # return False in the rare case rev is both a commit hash # and a tag or a branch; we don't want to cache in that case # because that branch/tag could point to something else in the future is_tag_or_branch = bool(self.get_revision_sha(dest, rev_options.rev)[0]) return not is_tag_or_branch def get_git_version(self) -> Tuple[int, ...]: version = self.run_command(["version"], show_stdout=False, stdout_only=True) match = GIT_VERSION_REGEX.match(version) if not match: logger.warning("Can't parse git version: %s", version) return () return tuple(int(c) for c in match.groups()) @classmethod def get_current_branch(cls, location: str) -> Optional[str]: """ Return the current branch, or None if HEAD isn't at a branch (e.g. detached HEAD). """ # git-symbolic-ref exits with empty stdout if "HEAD" is a detached # HEAD rather than a symbolic ref. In addition, the -q causes the # command to exit with status code 1 instead of 128 in this case # and to suppress the message to stderr. args = ["symbolic-ref", "-q", "HEAD"] output = cls.run_command( args, extra_ok_returncodes=(1,), show_stdout=False, stdout_only=True, cwd=location, ) ref = output.strip() if ref.startswith("refs/heads/"): return ref[len("refs/heads/") :] return None @classmethod def get_revision_sha(cls, dest: str, rev: str) -> Tuple[Optional[str], bool]: """ Return (sha_or_none, is_branch), where sha_or_none is a commit hash if the revision names a remote branch or tag, otherwise None. Args: dest: the repository directory. rev: the revision name. """ # Pass rev to pre-filter the list. output = cls.run_command( ["show-ref", rev], cwd=dest, show_stdout=False, stdout_only=True, on_returncode="ignore", ) refs = {} # NOTE: We do not use splitlines here since that would split on other # unicode separators, which can be maliciously used to install a # different revision. for line in output.strip().split("\n"): line = line.rstrip("\r") if not line: continue try: ref_sha, ref_name = line.split(" ", maxsplit=2) except ValueError: # Include the offending line to simplify troubleshooting if # this error ever occurs. raise ValueError(f"unexpected show-ref line: {line!r}") refs[ref_name] = ref_sha branch_ref = f"refs/remotes/origin/{rev}" tag_ref = f"refs/tags/{rev}" sha = refs.get(branch_ref) if sha is not None: return (sha, True) sha = refs.get(tag_ref) return (sha, False) @classmethod def _should_fetch(cls, dest: str, rev: str) -> bool: """ Return true if rev is a ref or is a commit that we don't have locally. Branches and tags are not considered in this method because they are assumed to be always available locally (which is a normal outcome of ``git clone`` and ``git fetch --tags``). """ if rev.startswith("refs/"): # Always fetch remote refs. return True if not looks_like_hash(rev): # Git fetch would fail with abbreviated commits. return False if cls.has_commit(dest, rev): # Don't fetch if we have the commit locally. return False return True @classmethod def resolve_revision( cls, dest: str, url: HiddenText, rev_options: RevOptions ) -> RevOptions: """ Resolve a revision to a new RevOptions object with the SHA1 of the branch, tag, or ref if found. Args: rev_options: a RevOptions object. """ rev = rev_options.arg_rev # The arg_rev property's implementation for Git ensures that the # rev return value is always non-None. assert rev is not None sha, is_branch = cls.get_revision_sha(dest, rev) if sha is not None: rev_options = rev_options.make_new(sha) rev_options.branch_name = rev if is_branch else None return rev_options # Do not show a warning for the common case of something that has # the form of a Git commit hash. if not looks_like_hash(rev): logger.warning( "Did not find branch or tag '%s', assuming revision or ref.", rev, ) if not cls._should_fetch(dest, rev): return rev_options # fetch the requested revision cls.run_command( make_command("fetch", "-q", url, rev_options.to_args()), cwd=dest, ) # Change the revision to the SHA of the ref we fetched sha = cls.get_revision(dest, rev="FETCH_HEAD") rev_options = rev_options.make_new(sha) return rev_options @classmethod def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool: """ Return whether the current commit hash equals the given name. Args: dest: the repository directory. name: a string name. """ if not name: # Then avoid an unnecessary subprocess call. return False return cls.get_revision(dest) == name def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: rev_display = rev_options.to_display() logger.info("Cloning %s%s to %s", url, rev_display, display_path(dest)) if self.get_git_version() >= (2, 17): # Git added support for partial clone in 2.17 # https://git-scm.com/docs/partial-clone # Speeds up cloning by functioning without a complete copy of repository self.run_command( make_command( "clone", "--filter=blob:none", "-q", url, dest, ) ) else: self.run_command(make_command("clone", "-q", url, dest)) if rev_options.rev: # Then a specific revision was requested. rev_options = self.resolve_revision(dest, url, rev_options) branch_name = getattr(rev_options, "branch_name", None) logger.debug("Rev options %s, branch_name %s", rev_options, branch_name) if branch_name is None: # Only do a checkout if the current commit id doesn't match # the requested revision. if not self.is_commit_id_equal(dest, rev_options.rev): cmd_args = make_command( "checkout", "-q", rev_options.to_args(), ) self.run_command(cmd_args, cwd=dest) elif self.get_current_branch(dest) != branch_name: # Then a specific branch was requested, and that branch # is not yet checked out. track_branch = f"origin/{branch_name}" cmd_args = [ "checkout", "-b", branch_name, "--track", track_branch, ] self.run_command(cmd_args, cwd=dest) else: sha = self.get_revision(dest) rev_options = rev_options.make_new(sha) logger.info("Resolved %s to commit %s", url, rev_options.rev) #: repo may contain submodules self.update_submodules(dest) def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: self.run_command( make_command("config", "remote.origin.url", url), cwd=dest, ) cmd_args = make_command("checkout", "-q", rev_options.to_args()) self.run_command(cmd_args, cwd=dest) self.update_submodules(dest) def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: # First fetch changes from the default remote if self.get_git_version() >= (1, 9): # fetch tags in addition to everything else self.run_command(["fetch", "-q", "--tags"], cwd=dest) else: self.run_command(["fetch", "-q"], cwd=dest) # Then reset to wanted revision (maybe even origin/master) rev_options = self.resolve_revision(dest, url, rev_options) cmd_args = make_command("reset", "--hard", "-q", rev_options.to_args()) self.run_command(cmd_args, cwd=dest) #: update submodules self.update_submodules(dest) @classmethod def get_remote_url(cls, location: str) -> str: """ Return URL of the first remote encountered. Raises RemoteNotFoundError if the repository does not have a remote url configured. """ # We need to pass 1 for extra_ok_returncodes since the command # exits with return code 1 if there are no matching lines. stdout = cls.run_command( ["config", "--get-regexp", r"remote\..*\.url"], extra_ok_returncodes=(1,), show_stdout=False, stdout_only=True, cwd=location, ) remotes = stdout.splitlines() try: found_remote = remotes[0] except IndexError: raise RemoteNotFoundError for remote in remotes: if remote.startswith("remote.origin.url "): found_remote = remote break url = found_remote.split(" ")[1] return cls._git_remote_to_pip_url(url.strip()) @staticmethod def _git_remote_to_pip_url(url: str) -> str: """ Convert a remote url from what git uses to what pip accepts. There are 3 legal forms **url** may take: 1. A fully qualified url: ssh://git@example.com/foo/bar.git 2. A local project.git folder: /path/to/bare/repository.git 3. SCP shorthand for form 1: git@example.com:foo/bar.git Form 1 is output as-is. Form 2 must be converted to URI and form 3 must be converted to form 1. See the corresponding test test_git_remote_url_to_pip() for examples of sample inputs/outputs. """ if re.match(r"\w+://", url): # This is already valid. Pass it though as-is. return url if os.path.exists(url): # A local bare remote (git clone --mirror). # Needs a file:// prefix. return pathlib.PurePath(url).as_uri() scp_match = SCP_REGEX.match(url) if scp_match: # Add an ssh:// prefix and replace the ':' with a '/'. return scp_match.expand(r"ssh://\1\2/\3") # Otherwise, bail out. raise RemoteNotValidError(url) @classmethod def has_commit(cls, location: str, rev: str) -> bool: """ Check if rev is a commit that is available in the local repository. """ try: cls.run_command( ["rev-parse", "-q", "--verify", "sha^" + rev], cwd=location, log_failed_cmd=False, ) except InstallationError: return False else: return True @classmethod def get_revision(cls, location: str, rev: Optional[str] = None) -> str: if rev is None: rev = "HEAD" current_rev = cls.run_command( ["rev-parse", rev], show_stdout=False, stdout_only=True, cwd=location, ) return current_rev.strip() @classmethod def get_subdirectory(cls, location: str) -> Optional[str]: """ Return the path to Python project root, relative to the repo root. Return None if the project root is in the repo root. """ # find the repo root git_dir = cls.run_command( ["rev-parse", "--git-dir"], show_stdout=False, stdout_only=True, cwd=location, ).strip() if not os.path.isabs(git_dir): git_dir = os.path.join(location, git_dir) repo_root = os.path.abspath(os.path.join(git_dir, "..")) return find_path_to_project_root_from_repo_root(location, repo_root) @classmethod def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]: """ Prefixes stub URLs like 'user@hostname:user/repo.git' with 'ssh://'. That's required because although they use SSH they sometimes don't work with a ssh:// scheme (e.g. GitHub). But we need a scheme for parsing. Hence we remove it again afterwards and return it as a stub. """ # Works around an apparent Git bug # (see https://article.gmane.org/gmane.comp.version-control.git/146500) scheme, netloc, path, query, fragment = urlsplit(url) if scheme.endswith("file"): initial_slashes = path[: -len(path.lstrip("/"))] newpath = initial_slashes + urllib.request.url2pathname(path).replace( "\\", "/" ).lstrip("/") after_plus = scheme.find("+") + 1 url = scheme[:after_plus] + urlunsplit( (scheme[after_plus:], netloc, newpath, query, fragment), ) if "://" not in url: assert "file:" not in url url = url.replace("git+", "git+ssh://") url, rev, user_pass = super().get_url_rev_and_auth(url) url = url.replace("ssh://", "") else: url, rev, user_pass = super().get_url_rev_and_auth(url) return url, rev, user_pass @classmethod def update_submodules(cls, location: str) -> None: if not os.path.exists(os.path.join(location, ".gitmodules")): return cls.run_command( ["submodule", "update", "--init", "--recursive", "-q"], cwd=location, ) @classmethod def get_repository_root(cls, location: str) -> Optional[str]: loc = super().get_repository_root(location) if loc: return loc try: r = cls.run_command( ["rev-parse", "--show-toplevel"], cwd=location, show_stdout=False, stdout_only=True, on_returncode="raise", log_failed_cmd=False, ) except BadCommand: logger.debug( "could not determine if %s is under git control " "because git is not available", location, ) return None except InstallationError: return None return os.path.normpath(r.rstrip("\r\n")) @staticmethod def should_add_vcs_url_prefix(repo_url: str) -> bool: """In either https or ssh form, requirements must be prefixed with git+.""" return True vcs.register(Git) _internal/vcs/mercurial.py 0000644 00000011521 15114542002 0011641 0 ustar 00 import configparser import logging import os from typing import List, Optional from pip._internal.exceptions import BadCommand, InstallationError from pip._internal.utils.misc import HiddenText, display_path from pip._internal.utils.subprocess import make_command from pip._internal.utils.urls import path_to_url from pip._internal.vcs.versioncontrol import ( RevOptions, VersionControl, find_path_to_project_root_from_repo_root, vcs, ) logger = logging.getLogger(__name__) class Mercurial(VersionControl): name = "hg" dirname = ".hg" repo_name = "clone" schemes = ( "hg+file", "hg+http", "hg+https", "hg+ssh", "hg+static-http", ) @staticmethod def get_base_rev_args(rev: str) -> List[str]: return [rev] def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: rev_display = rev_options.to_display() logger.info( "Cloning hg %s%s to %s", url, rev_display, display_path(dest), ) self.run_command(make_command("clone", "--noupdate", "-q", url, dest)) self.run_command( make_command("update", "-q", rev_options.to_args()), cwd=dest, ) def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: repo_config = os.path.join(dest, self.dirname, "hgrc") config = configparser.RawConfigParser() try: config.read(repo_config) config.set("paths", "default", url.secret) with open(repo_config, "w") as config_file: config.write(config_file) except (OSError, configparser.NoSectionError) as exc: logger.warning("Could not switch Mercurial repository to %s: %s", url, exc) else: cmd_args = make_command("update", "-q", rev_options.to_args()) self.run_command(cmd_args, cwd=dest) def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: self.run_command(["pull", "-q"], cwd=dest) cmd_args = make_command("update", "-q", rev_options.to_args()) self.run_command(cmd_args, cwd=dest) @classmethod def get_remote_url(cls, location: str) -> str: url = cls.run_command( ["showconfig", "paths.default"], show_stdout=False, stdout_only=True, cwd=location, ).strip() if cls._is_local_repository(url): url = path_to_url(url) return url.strip() @classmethod def get_revision(cls, location: str) -> str: """ Return the repository-local changeset revision number, as an integer. """ current_revision = cls.run_command( ["parents", "--template={rev}"], show_stdout=False, stdout_only=True, cwd=location, ).strip() return current_revision @classmethod def get_requirement_revision(cls, location: str) -> str: """ Return the changeset identification hash, as a 40-character hexadecimal string """ current_rev_hash = cls.run_command( ["parents", "--template={node}"], show_stdout=False, stdout_only=True, cwd=location, ).strip() return current_rev_hash @classmethod def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool: """Always assume the versions don't match""" return False @classmethod def get_subdirectory(cls, location: str) -> Optional[str]: """ Return the path to Python project root, relative to the repo root. Return None if the project root is in the repo root. """ # find the repo root repo_root = cls.run_command( ["root"], show_stdout=False, stdout_only=True, cwd=location ).strip() if not os.path.isabs(repo_root): repo_root = os.path.abspath(os.path.join(location, repo_root)) return find_path_to_project_root_from_repo_root(location, repo_root) @classmethod def get_repository_root(cls, location: str) -> Optional[str]: loc = super().get_repository_root(location) if loc: return loc try: r = cls.run_command( ["root"], cwd=location, show_stdout=False, stdout_only=True, on_returncode="raise", log_failed_cmd=False, ) except BadCommand: logger.debug( "could not determine if %s is under hg control " "because hg is not available", location, ) return None except InstallationError: return None return os.path.normpath(r.rstrip("\r\n")) vcs.register(Mercurial) _internal/vcs/subversion.py 0000644 00000026514 15114542002 0012065 0 ustar 00 import logging import os import re from typing import List, Optional, Tuple from pip._internal.utils.misc import ( HiddenText, display_path, is_console_interactive, is_installable_dir, split_auth_from_netloc, ) from pip._internal.utils.subprocess import CommandArgs, make_command from pip._internal.vcs.versioncontrol import ( AuthInfo, RemoteNotFoundError, RevOptions, VersionControl, vcs, ) logger = logging.getLogger(__name__) _svn_xml_url_re = re.compile('url="([^"]+)"') _svn_rev_re = re.compile(r'committed-rev="(\d+)"') _svn_info_xml_rev_re = re.compile(r'\s*revision="(\d+)"') _svn_info_xml_url_re = re.compile(r"<url>(.*)</url>") class Subversion(VersionControl): name = "svn" dirname = ".svn" repo_name = "checkout" schemes = ("svn+ssh", "svn+http", "svn+https", "svn+svn", "svn+file") @classmethod def should_add_vcs_url_prefix(cls, remote_url: str) -> bool: return True @staticmethod def get_base_rev_args(rev: str) -> List[str]: return ["-r", rev] @classmethod def get_revision(cls, location: str) -> str: """ Return the maximum revision for all files under a given location """ # Note: taken from setuptools.command.egg_info revision = 0 for base, dirs, _ in os.walk(location): if cls.dirname not in dirs: dirs[:] = [] continue # no sense walking uncontrolled subdirs dirs.remove(cls.dirname) entries_fn = os.path.join(base, cls.dirname, "entries") if not os.path.exists(entries_fn): # FIXME: should we warn? continue dirurl, localrev = cls._get_svn_url_rev(base) if base == location: assert dirurl is not None base = dirurl + "/" # save the root url elif not dirurl or not dirurl.startswith(base): dirs[:] = [] continue # not part of the same svn tree, skip it revision = max(revision, localrev) return str(revision) @classmethod def get_netloc_and_auth( cls, netloc: str, scheme: str ) -> Tuple[str, Tuple[Optional[str], Optional[str]]]: """ This override allows the auth information to be passed to svn via the --username and --password options instead of via the URL. """ if scheme == "ssh": # The --username and --password options can't be used for # svn+ssh URLs, so keep the auth information in the URL. return super().get_netloc_and_auth(netloc, scheme) return split_auth_from_netloc(netloc) @classmethod def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]: # hotfix the URL scheme after removing svn+ from svn+ssh:// readd it url, rev, user_pass = super().get_url_rev_and_auth(url) if url.startswith("ssh://"): url = "svn+" + url return url, rev, user_pass @staticmethod def make_rev_args( username: Optional[str], password: Optional[HiddenText] ) -> CommandArgs: extra_args: CommandArgs = [] if username: extra_args += ["--username", username] if password: extra_args += ["--password", password] return extra_args @classmethod def get_remote_url(cls, location: str) -> str: # In cases where the source is in a subdirectory, we have to look up in # the location until we find a valid project root. orig_location = location while not is_installable_dir(location): last_location = location location = os.path.dirname(location) if location == last_location: # We've traversed up to the root of the filesystem without # finding a Python project. logger.warning( "Could not find Python project for directory %s (tried all " "parent directories)", orig_location, ) raise RemoteNotFoundError url, _rev = cls._get_svn_url_rev(location) if url is None: raise RemoteNotFoundError return url @classmethod def _get_svn_url_rev(cls, location: str) -> Tuple[Optional[str], int]: from pip._internal.exceptions import InstallationError entries_path = os.path.join(location, cls.dirname, "entries") if os.path.exists(entries_path): with open(entries_path) as f: data = f.read() else: # subversion >= 1.7 does not have the 'entries' file data = "" url = None if data.startswith("8") or data.startswith("9") or data.startswith("10"): entries = list(map(str.splitlines, data.split("\n\x0c\n"))) del entries[0][0] # get rid of the '8' url = entries[0][3] revs = [int(d[9]) for d in entries if len(d) > 9 and d[9]] + [0] elif data.startswith("<?xml"): match = _svn_xml_url_re.search(data) if not match: raise ValueError(f"Badly formatted data: {data!r}") url = match.group(1) # get repository URL revs = [int(m.group(1)) for m in _svn_rev_re.finditer(data)] + [0] else: try: # subversion >= 1.7 # Note that using get_remote_call_options is not necessary here # because `svn info` is being run against a local directory. # We don't need to worry about making sure interactive mode # is being used to prompt for passwords, because passwords # are only potentially needed for remote server requests. xml = cls.run_command( ["info", "--xml", location], show_stdout=False, stdout_only=True, ) match = _svn_info_xml_url_re.search(xml) assert match is not None url = match.group(1) revs = [int(m.group(1)) for m in _svn_info_xml_rev_re.finditer(xml)] except InstallationError: url, revs = None, [] if revs: rev = max(revs) else: rev = 0 return url, rev @classmethod def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool: """Always assume the versions don't match""" return False def __init__(self, use_interactive: bool = None) -> None: if use_interactive is None: use_interactive = is_console_interactive() self.use_interactive = use_interactive # This member is used to cache the fetched version of the current # ``svn`` client. # Special value definitions: # None: Not evaluated yet. # Empty tuple: Could not parse version. self._vcs_version: Optional[Tuple[int, ...]] = None super().__init__() def call_vcs_version(self) -> Tuple[int, ...]: """Query the version of the currently installed Subversion client. :return: A tuple containing the parts of the version information or ``()`` if the version returned from ``svn`` could not be parsed. :raises: BadCommand: If ``svn`` is not installed. """ # Example versions: # svn, version 1.10.3 (r1842928) # compiled Feb 25 2019, 14:20:39 on x86_64-apple-darwin17.0.0 # svn, version 1.7.14 (r1542130) # compiled Mar 28 2018, 08:49:13 on x86_64-pc-linux-gnu # svn, version 1.12.0-SlikSvn (SlikSvn/1.12.0) # compiled May 28 2019, 13:44:56 on x86_64-microsoft-windows6.2 version_prefix = "svn, version " version = self.run_command(["--version"], show_stdout=False, stdout_only=True) if not version.startswith(version_prefix): return () version = version[len(version_prefix) :].split()[0] version_list = version.partition("-")[0].split(".") try: parsed_version = tuple(map(int, version_list)) except ValueError: return () return parsed_version def get_vcs_version(self) -> Tuple[int, ...]: """Return the version of the currently installed Subversion client. If the version of the Subversion client has already been queried, a cached value will be used. :return: A tuple containing the parts of the version information or ``()`` if the version returned from ``svn`` could not be parsed. :raises: BadCommand: If ``svn`` is not installed. """ if self._vcs_version is not None: # Use cached version, if available. # If parsing the version failed previously (empty tuple), # do not attempt to parse it again. return self._vcs_version vcs_version = self.call_vcs_version() self._vcs_version = vcs_version return vcs_version def get_remote_call_options(self) -> CommandArgs: """Return options to be used on calls to Subversion that contact the server. These options are applicable for the following ``svn`` subcommands used in this class. - checkout - switch - update :return: A list of command line arguments to pass to ``svn``. """ if not self.use_interactive: # --non-interactive switch is available since Subversion 0.14.4. # Subversion < 1.8 runs in interactive mode by default. return ["--non-interactive"] svn_version = self.get_vcs_version() # By default, Subversion >= 1.8 runs in non-interactive mode if # stdin is not a TTY. Since that is how pip invokes SVN, in # call_subprocess(), pip must pass --force-interactive to ensure # the user can be prompted for a password, if required. # SVN added the --force-interactive option in SVN 1.8. Since # e.g. RHEL/CentOS 7, which is supported until 2024, ships with # SVN 1.7, pip should continue to support SVN 1.7. Therefore, pip # can't safely add the option if the SVN version is < 1.8 (or unknown). if svn_version >= (1, 8): return ["--force-interactive"] return [] def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: rev_display = rev_options.to_display() logger.info( "Checking out %s%s to %s", url, rev_display, display_path(dest), ) cmd_args = make_command( "checkout", "-q", self.get_remote_call_options(), rev_options.to_args(), url, dest, ) self.run_command(cmd_args) def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: cmd_args = make_command( "switch", self.get_remote_call_options(), rev_options.to_args(), url, dest, ) self.run_command(cmd_args) def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: cmd_args = make_command( "update", self.get_remote_call_options(), rev_options.to_args(), dest, ) self.run_command(cmd_args) vcs.register(Subversion) _internal/vcs/versioncontrol.py 0000644 00000053616 15114542002 0012757 0 ustar 00 """Handles all VCS (version control) support""" import logging import os import shutil import sys import urllib.parse from typing import ( TYPE_CHECKING, Any, Dict, Iterable, Iterator, List, Mapping, Optional, Tuple, Type, Union, ) from pip._internal.cli.spinners import SpinnerInterface from pip._internal.exceptions import BadCommand, InstallationError from pip._internal.utils.misc import ( HiddenText, ask_path_exists, backup_dir, display_path, hide_url, hide_value, is_installable_dir, rmtree, ) from pip._internal.utils.subprocess import CommandArgs, call_subprocess, make_command from pip._internal.utils.urls import get_url_scheme if TYPE_CHECKING: # Literal was introduced in Python 3.8. # # TODO: Remove `if TYPE_CHECKING` when dropping support for Python 3.7. from typing import Literal __all__ = ["vcs"] logger = logging.getLogger(__name__) AuthInfo = Tuple[Optional[str], Optional[str]] def is_url(name: str) -> bool: """ Return true if the name looks like a URL. """ scheme = get_url_scheme(name) if scheme is None: return False return scheme in ["http", "https", "file", "ftp"] + vcs.all_schemes def make_vcs_requirement_url( repo_url: str, rev: str, project_name: str, subdir: Optional[str] = None ) -> str: """ Return the URL for a VCS requirement. Args: repo_url: the remote VCS url, with any needed VCS prefix (e.g. "git+"). project_name: the (unescaped) project name. """ egg_project_name = project_name.replace("-", "_") req = f"{repo_url}@{rev}#egg={egg_project_name}" if subdir: req += f"&subdirectory={subdir}" return req def find_path_to_project_root_from_repo_root( location: str, repo_root: str ) -> Optional[str]: """ Find the the Python project's root by searching up the filesystem from `location`. Return the path to project root relative to `repo_root`. Return None if the project root is `repo_root`, or cannot be found. """ # find project root. orig_location = location while not is_installable_dir(location): last_location = location location = os.path.dirname(location) if location == last_location: # We've traversed up to the root of the filesystem without # finding a Python project. logger.warning( "Could not find a Python project for directory %s (tried all " "parent directories)", orig_location, ) return None if os.path.samefile(repo_root, location): return None return os.path.relpath(location, repo_root) class RemoteNotFoundError(Exception): pass class RemoteNotValidError(Exception): def __init__(self, url: str): super().__init__(url) self.url = url class RevOptions: """ Encapsulates a VCS-specific revision to install, along with any VCS install options. Instances of this class should be treated as if immutable. """ def __init__( self, vc_class: Type["VersionControl"], rev: Optional[str] = None, extra_args: Optional[CommandArgs] = None, ) -> None: """ Args: vc_class: a VersionControl subclass. rev: the name of the revision to install. extra_args: a list of extra options. """ if extra_args is None: extra_args = [] self.extra_args = extra_args self.rev = rev self.vc_class = vc_class self.branch_name: Optional[str] = None def __repr__(self) -> str: return f"<RevOptions {self.vc_class.name}: rev={self.rev!r}>" @property def arg_rev(self) -> Optional[str]: if self.rev is None: return self.vc_class.default_arg_rev return self.rev def to_args(self) -> CommandArgs: """ Return the VCS-specific command arguments. """ args: CommandArgs = [] rev = self.arg_rev if rev is not None: args += self.vc_class.get_base_rev_args(rev) args += self.extra_args return args def to_display(self) -> str: if not self.rev: return "" return f" (to revision {self.rev})" def make_new(self, rev: str) -> "RevOptions": """ Make a copy of the current instance, but with a new rev. Args: rev: the name of the revision for the new object. """ return self.vc_class.make_rev_options(rev, extra_args=self.extra_args) class VcsSupport: _registry: Dict[str, "VersionControl"] = {} schemes = ["ssh", "git", "hg", "bzr", "sftp", "svn"] def __init__(self) -> None: # Register more schemes with urlparse for various version control # systems urllib.parse.uses_netloc.extend(self.schemes) super().__init__() def __iter__(self) -> Iterator[str]: return self._registry.__iter__() @property def backends(self) -> List["VersionControl"]: return list(self._registry.values()) @property def dirnames(self) -> List[str]: return [backend.dirname for backend in self.backends] @property def all_schemes(self) -> List[str]: schemes: List[str] = [] for backend in self.backends: schemes.extend(backend.schemes) return schemes def register(self, cls: Type["VersionControl"]) -> None: if not hasattr(cls, "name"): logger.warning("Cannot register VCS %s", cls.__name__) return if cls.name not in self._registry: self._registry[cls.name] = cls() logger.debug("Registered VCS backend: %s", cls.name) def unregister(self, name: str) -> None: if name in self._registry: del self._registry[name] def get_backend_for_dir(self, location: str) -> Optional["VersionControl"]: """ Return a VersionControl object if a repository of that type is found at the given directory. """ vcs_backends = {} for vcs_backend in self._registry.values(): repo_path = vcs_backend.get_repository_root(location) if not repo_path: continue logger.debug("Determine that %s uses VCS: %s", location, vcs_backend.name) vcs_backends[repo_path] = vcs_backend if not vcs_backends: return None # Choose the VCS in the inner-most directory. Since all repository # roots found here would be either `location` or one of its # parents, the longest path should have the most path components, # i.e. the backend representing the inner-most repository. inner_most_repo_path = max(vcs_backends, key=len) return vcs_backends[inner_most_repo_path] def get_backend_for_scheme(self, scheme: str) -> Optional["VersionControl"]: """ Return a VersionControl object or None. """ for vcs_backend in self._registry.values(): if scheme in vcs_backend.schemes: return vcs_backend return None def get_backend(self, name: str) -> Optional["VersionControl"]: """ Return a VersionControl object or None. """ name = name.lower() return self._registry.get(name) vcs = VcsSupport() class VersionControl: name = "" dirname = "" repo_name = "" # List of supported schemes for this Version Control schemes: Tuple[str, ...] = () # Iterable of environment variable names to pass to call_subprocess(). unset_environ: Tuple[str, ...] = () default_arg_rev: Optional[str] = None @classmethod def should_add_vcs_url_prefix(cls, remote_url: str) -> bool: """ Return whether the vcs prefix (e.g. "git+") should be added to a repository's remote url when used in a requirement. """ return not remote_url.lower().startswith(f"{cls.name}:") @classmethod def get_subdirectory(cls, location: str) -> Optional[str]: """ Return the path to Python project root, relative to the repo root. Return None if the project root is in the repo root. """ return None @classmethod def get_requirement_revision(cls, repo_dir: str) -> str: """ Return the revision string that should be used in a requirement. """ return cls.get_revision(repo_dir) @classmethod def get_src_requirement(cls, repo_dir: str, project_name: str) -> str: """ Return the requirement string to use to redownload the files currently at the given repository directory. Args: project_name: the (unescaped) project name. The return value has a form similar to the following: {repository_url}@{revision}#egg={project_name} """ repo_url = cls.get_remote_url(repo_dir) if cls.should_add_vcs_url_prefix(repo_url): repo_url = f"{cls.name}+{repo_url}" revision = cls.get_requirement_revision(repo_dir) subdir = cls.get_subdirectory(repo_dir) req = make_vcs_requirement_url(repo_url, revision, project_name, subdir=subdir) return req @staticmethod def get_base_rev_args(rev: str) -> List[str]: """ Return the base revision arguments for a vcs command. Args: rev: the name of a revision to install. Cannot be None. """ raise NotImplementedError def is_immutable_rev_checkout(self, url: str, dest: str) -> bool: """ Return true if the commit hash checked out at dest matches the revision in url. Always return False, if the VCS does not support immutable commit hashes. This method does not check if there are local uncommitted changes in dest after checkout, as pip currently has no use case for that. """ return False @classmethod def make_rev_options( cls, rev: Optional[str] = None, extra_args: Optional[CommandArgs] = None ) -> RevOptions: """ Return a RevOptions object. Args: rev: the name of a revision to install. extra_args: a list of extra options. """ return RevOptions(cls, rev, extra_args=extra_args) @classmethod def _is_local_repository(cls, repo: str) -> bool: """ posix absolute paths start with os.path.sep, win32 ones start with drive (like c:\\folder) """ drive, tail = os.path.splitdrive(repo) return repo.startswith(os.path.sep) or bool(drive) @classmethod def get_netloc_and_auth( cls, netloc: str, scheme: str ) -> Tuple[str, Tuple[Optional[str], Optional[str]]]: """ Parse the repository URL's netloc, and return the new netloc to use along with auth information. Args: netloc: the original repository URL netloc. scheme: the repository URL's scheme without the vcs prefix. This is mainly for the Subversion class to override, so that auth information can be provided via the --username and --password options instead of through the URL. For other subclasses like Git without such an option, auth information must stay in the URL. Returns: (netloc, (username, password)). """ return netloc, (None, None) @classmethod def get_url_rev_and_auth(cls, url: str) -> Tuple[str, Optional[str], AuthInfo]: """ Parse the repository URL to use, and return the URL, revision, and auth info to use. Returns: (url, rev, (username, password)). """ scheme, netloc, path, query, frag = urllib.parse.urlsplit(url) if "+" not in scheme: raise ValueError( "Sorry, {!r} is a malformed VCS url. " "The format is <vcs>+<protocol>://<url>, " "e.g. svn+http://myrepo/svn/MyApp#egg=MyApp".format(url) ) # Remove the vcs prefix. scheme = scheme.split("+", 1)[1] netloc, user_pass = cls.get_netloc_and_auth(netloc, scheme) rev = None if "@" in path: path, rev = path.rsplit("@", 1) if not rev: raise InstallationError( "The URL {!r} has an empty revision (after @) " "which is not supported. Include a revision after @ " "or remove @ from the URL.".format(url) ) url = urllib.parse.urlunsplit((scheme, netloc, path, query, "")) return url, rev, user_pass @staticmethod def make_rev_args( username: Optional[str], password: Optional[HiddenText] ) -> CommandArgs: """ Return the RevOptions "extra arguments" to use in obtain(). """ return [] def get_url_rev_options(self, url: HiddenText) -> Tuple[HiddenText, RevOptions]: """ Return the URL and RevOptions object to use in obtain(), as a tuple (url, rev_options). """ secret_url, rev, user_pass = self.get_url_rev_and_auth(url.secret) username, secret_password = user_pass password: Optional[HiddenText] = None if secret_password is not None: password = hide_value(secret_password) extra_args = self.make_rev_args(username, password) rev_options = self.make_rev_options(rev, extra_args=extra_args) return hide_url(secret_url), rev_options @staticmethod def normalize_url(url: str) -> str: """ Normalize a URL for comparison by unquoting it and removing any trailing slash. """ return urllib.parse.unquote(url).rstrip("/") @classmethod def compare_urls(cls, url1: str, url2: str) -> bool: """ Compare two repo URLs for identity, ignoring incidental differences. """ return cls.normalize_url(url1) == cls.normalize_url(url2) def fetch_new(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: """ Fetch a revision from a repository, in the case that this is the first fetch from the repository. Args: dest: the directory to fetch the repository to. rev_options: a RevOptions object. """ raise NotImplementedError def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: """ Switch the repo at ``dest`` to point to ``URL``. Args: rev_options: a RevOptions object. """ raise NotImplementedError def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None: """ Update an already-existing repo to the given ``rev_options``. Args: rev_options: a RevOptions object. """ raise NotImplementedError @classmethod def is_commit_id_equal(cls, dest: str, name: Optional[str]) -> bool: """ Return whether the id of the current commit equals the given name. Args: dest: the repository directory. name: a string name. """ raise NotImplementedError def obtain(self, dest: str, url: HiddenText) -> None: """ Install or update in editable mode the package represented by this VersionControl object. :param dest: the repository directory in which to install or update. :param url: the repository URL starting with a vcs prefix. """ url, rev_options = self.get_url_rev_options(url) if not os.path.exists(dest): self.fetch_new(dest, url, rev_options) return rev_display = rev_options.to_display() if self.is_repository_directory(dest): existing_url = self.get_remote_url(dest) if self.compare_urls(existing_url, url.secret): logger.debug( "%s in %s exists, and has correct URL (%s)", self.repo_name.title(), display_path(dest), url, ) if not self.is_commit_id_equal(dest, rev_options.rev): logger.info( "Updating %s %s%s", display_path(dest), self.repo_name, rev_display, ) self.update(dest, url, rev_options) else: logger.info("Skipping because already up-to-date.") return logger.warning( "%s %s in %s exists with URL %s", self.name, self.repo_name, display_path(dest), existing_url, ) prompt = ("(s)witch, (i)gnore, (w)ipe, (b)ackup ", ("s", "i", "w", "b")) else: logger.warning( "Directory %s already exists, and is not a %s %s.", dest, self.name, self.repo_name, ) # https://github.com/python/mypy/issues/1174 prompt = ("(i)gnore, (w)ipe, (b)ackup ", ("i", "w", "b")) # type: ignore logger.warning( "The plan is to install the %s repository %s", self.name, url, ) response = ask_path_exists("What to do? {}".format(prompt[0]), prompt[1]) if response == "a": sys.exit(-1) if response == "w": logger.warning("Deleting %s", display_path(dest)) rmtree(dest) self.fetch_new(dest, url, rev_options) return if response == "b": dest_dir = backup_dir(dest) logger.warning("Backing up %s to %s", display_path(dest), dest_dir) shutil.move(dest, dest_dir) self.fetch_new(dest, url, rev_options) return # Do nothing if the response is "i". if response == "s": logger.info( "Switching %s %s to %s%s", self.repo_name, display_path(dest), url, rev_display, ) self.switch(dest, url, rev_options) def unpack(self, location: str, url: HiddenText) -> None: """ Clean up current location and download the url repository (and vcs infos) into location :param url: the repository URL starting with a vcs prefix. """ if os.path.exists(location): rmtree(location) self.obtain(location, url=url) @classmethod def get_remote_url(cls, location: str) -> str: """ Return the url used at location Raises RemoteNotFoundError if the repository does not have a remote url configured. """ raise NotImplementedError @classmethod def get_revision(cls, location: str) -> str: """ Return the current commit id of the files at the given location. """ raise NotImplementedError @classmethod def run_command( cls, cmd: Union[List[str], CommandArgs], show_stdout: bool = True, cwd: Optional[str] = None, on_returncode: 'Literal["raise", "warn", "ignore"]' = "raise", extra_ok_returncodes: Optional[Iterable[int]] = None, command_desc: Optional[str] = None, extra_environ: Optional[Mapping[str, Any]] = None, spinner: Optional[SpinnerInterface] = None, log_failed_cmd: bool = True, stdout_only: bool = False, ) -> str: """ Run a VCS subcommand This is simply a wrapper around call_subprocess that adds the VCS command name, and checks that the VCS is available """ cmd = make_command(cls.name, *cmd) try: return call_subprocess( cmd, show_stdout, cwd, on_returncode=on_returncode, extra_ok_returncodes=extra_ok_returncodes, command_desc=command_desc, extra_environ=extra_environ, unset_environ=cls.unset_environ, spinner=spinner, log_failed_cmd=log_failed_cmd, stdout_only=stdout_only, ) except FileNotFoundError: # errno.ENOENT = no such file or directory # In other words, the VCS executable isn't available raise BadCommand( f"Cannot find command {cls.name!r} - do you have " f"{cls.name!r} installed and in your PATH?" ) except PermissionError: # errno.EACCES = Permission denied # This error occurs, for instance, when the command is installed # only for another user. So, the current user don't have # permission to call the other user command. raise BadCommand( f"No permission to execute {cls.name!r} - install it " f"locally, globally (ask admin), or check your PATH. " f"See possible solutions at " f"https://pip.pypa.io/en/latest/reference/pip_freeze/" f"#fixing-permission-denied." ) @classmethod def is_repository_directory(cls, path: str) -> bool: """ Return whether a directory path is a repository directory. """ logger.debug("Checking in %s for %s (%s)...", path, cls.dirname, cls.name) return os.path.exists(os.path.join(path, cls.dirname)) @classmethod def get_repository_root(cls, location: str) -> Optional[str]: """ Return the "root" (top-level) directory controlled by the vcs, or `None` if the directory is not in any. It is meant to be overridden to implement smarter detection mechanisms for specific vcs. This can do more than is_repository_directory() alone. For example, the Git override checks that Git is actually available. """ if cls.is_repository_directory(location): return location return None _internal/__init__.py 0000644 00000001113 15114542002 0010616 0 ustar 00 from typing import List, Optional import pip._internal.utils.inject_securetransport # noqa from pip._internal.utils import _log # init_logging() must be called before any call to logging.getLogger() # which happens at import of most modules. _log.init_logging() def main(args: (Optional[List[str]]) = None) -> int: """This is preserved for old console scripts that may still be referencing it. For additional details, see https://github.com/pypa/pip/issues/7498. """ from pip._internal.utils.entrypoints import _wrapper return _wrapper(args, _nowarn=True) _internal/build_env.py 0000644 00000023336 15114542002 0011041 0 ustar 00 """Build Environment used for isolation during sdist building """ import contextlib import logging import os import pathlib import sys import textwrap import zipfile from collections import OrderedDict from sysconfig import get_paths from types import TracebackType from typing import TYPE_CHECKING, Iterable, Iterator, List, Optional, Set, Tuple, Type from pip._vendor.certifi import where from pip._vendor.packaging.requirements import Requirement from pip._vendor.packaging.version import Version from pip import __file__ as pip_location from pip._internal.cli.spinners import open_spinner from pip._internal.locations import get_platlib, get_prefixed_libs, get_purelib from pip._internal.metadata import get_environment from pip._internal.utils.subprocess import call_subprocess from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds if TYPE_CHECKING: from pip._internal.index.package_finder import PackageFinder logger = logging.getLogger(__name__) class _Prefix: def __init__(self, path: str) -> None: self.path = path self.setup = False self.bin_dir = get_paths( "nt" if os.name == "nt" else "posix_prefix", vars={"base": path, "platbase": path}, )["scripts"] self.lib_dirs = get_prefixed_libs(path) @contextlib.contextmanager def _create_standalone_pip() -> Iterator[str]: """Create a "standalone pip" zip file. The zip file's content is identical to the currently-running pip. It will be used to install requirements into the build environment. """ source = pathlib.Path(pip_location).resolve().parent # Return the current instance if `source` is not a directory. We can't build # a zip from this, and it likely means the instance is already standalone. if not source.is_dir(): yield str(source) return with TempDirectory(kind="standalone-pip") as tmp_dir: pip_zip = os.path.join(tmp_dir.path, "__env_pip__.zip") kwargs = {} if sys.version_info >= (3, 8): kwargs["strict_timestamps"] = False with zipfile.ZipFile(pip_zip, "w", **kwargs) as zf: for child in source.rglob("*"): zf.write(child, child.relative_to(source.parent).as_posix()) yield os.path.join(pip_zip, "pip") class BuildEnvironment: """Creates and manages an isolated environment to install build deps""" def __init__(self) -> None: temp_dir = TempDirectory(kind=tempdir_kinds.BUILD_ENV, globally_managed=True) self._prefixes = OrderedDict( (name, _Prefix(os.path.join(temp_dir.path, name))) for name in ("normal", "overlay") ) self._bin_dirs: List[str] = [] self._lib_dirs: List[str] = [] for prefix in reversed(list(self._prefixes.values())): self._bin_dirs.append(prefix.bin_dir) self._lib_dirs.extend(prefix.lib_dirs) # Customize site to: # - ensure .pth files are honored # - prevent access to system site packages system_sites = { os.path.normcase(site) for site in (get_purelib(), get_platlib()) } self._site_dir = os.path.join(temp_dir.path, "site") if not os.path.exists(self._site_dir): os.mkdir(self._site_dir) with open(os.path.join(self._site_dir, "sitecustomize.py"), "w") as fp: fp.write( textwrap.dedent( """ import os, site, sys # First, drop system-sites related paths. original_sys_path = sys.path[:] known_paths = set() for path in {system_sites!r}: site.addsitedir(path, known_paths=known_paths) system_paths = set( os.path.normcase(path) for path in sys.path[len(original_sys_path):] ) original_sys_path = [ path for path in original_sys_path if os.path.normcase(path) not in system_paths ] sys.path = original_sys_path # Second, add lib directories. # ensuring .pth file are processed. for path in {lib_dirs!r}: assert not path in sys.path site.addsitedir(path) """ ).format(system_sites=system_sites, lib_dirs=self._lib_dirs) ) def __enter__(self) -> None: self._save_env = { name: os.environ.get(name, None) for name in ("PATH", "PYTHONNOUSERSITE", "PYTHONPATH") } path = self._bin_dirs[:] old_path = self._save_env["PATH"] if old_path: path.extend(old_path.split(os.pathsep)) pythonpath = [self._site_dir] os.environ.update( { "PATH": os.pathsep.join(path), "PYTHONNOUSERSITE": "1", "PYTHONPATH": os.pathsep.join(pythonpath), } ) def __exit__( self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[TracebackType], ) -> None: for varname, old_value in self._save_env.items(): if old_value is None: os.environ.pop(varname, None) else: os.environ[varname] = old_value def check_requirements( self, reqs: Iterable[str] ) -> Tuple[Set[Tuple[str, str]], Set[str]]: """Return 2 sets: - conflicting requirements: set of (installed, wanted) reqs tuples - missing requirements: set of reqs """ missing = set() conflicting = set() if reqs: env = get_environment(self._lib_dirs) for req_str in reqs: req = Requirement(req_str) dist = env.get_distribution(req.name) if not dist: missing.add(req_str) continue if isinstance(dist.version, Version): installed_req_str = f"{req.name}=={dist.version}" else: installed_req_str = f"{req.name}==={dist.version}" if dist.version not in req.specifier: conflicting.add((installed_req_str, req_str)) # FIXME: Consider direct URL? return conflicting, missing def install_requirements( self, finder: "PackageFinder", requirements: Iterable[str], prefix_as_string: str, message: str, ) -> None: prefix = self._prefixes[prefix_as_string] assert not prefix.setup prefix.setup = True if not requirements: return with contextlib.ExitStack() as ctx: # TODO: Remove this block when dropping 3.6 support. Python 3.6 # lacks importlib.resources and pep517 has issues loading files in # a zip, so we fallback to the "old" method by adding the current # pip directory to the child process's sys.path. if sys.version_info < (3, 7): pip_runnable = os.path.dirname(pip_location) else: pip_runnable = ctx.enter_context(_create_standalone_pip()) self._install_requirements( pip_runnable, finder, requirements, prefix, message, ) @staticmethod def _install_requirements( pip_runnable: str, finder: "PackageFinder", requirements: Iterable[str], prefix: _Prefix, message: str, ) -> None: args: List[str] = [ sys.executable, pip_runnable, "install", "--ignore-installed", "--no-user", "--prefix", prefix.path, "--no-warn-script-location", ] if logger.getEffectiveLevel() <= logging.DEBUG: args.append("-v") for format_control in ("no_binary", "only_binary"): formats = getattr(finder.format_control, format_control) args.extend( ( "--" + format_control.replace("_", "-"), ",".join(sorted(formats or {":none:"})), ) ) index_urls = finder.index_urls if index_urls: args.extend(["-i", index_urls[0]]) for extra_index in index_urls[1:]: args.extend(["--extra-index-url", extra_index]) else: args.append("--no-index") for link in finder.find_links: args.extend(["--find-links", link]) for host in finder.trusted_hosts: args.extend(["--trusted-host", host]) if finder.allow_all_prereleases: args.append("--pre") if finder.prefer_binary: args.append("--prefer-binary") args.append("--") args.extend(requirements) extra_environ = {"_PIP_STANDALONE_CERT": where()} with open_spinner(message) as spinner: call_subprocess(args, spinner=spinner, extra_environ=extra_environ) class NoOpBuildEnvironment(BuildEnvironment): """A no-op drop-in replacement for BuildEnvironment""" def __init__(self) -> None: pass def __enter__(self) -> None: pass def __exit__( self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[TracebackType], ) -> None: pass def cleanup(self) -> None: pass def install_requirements( self, finder: "PackageFinder", requirements: Iterable[str], prefix_as_string: str, message: str, ) -> None: raise NotImplementedError() _internal/cache.py 0000644 00000022341 15114542002 0010130 0 ustar 00 """Cache Management """ import hashlib import json import logging import os from typing import Any, Dict, List, Optional, Set from pip._vendor.packaging.tags import Tag, interpreter_name, interpreter_version from pip._vendor.packaging.utils import canonicalize_name from pip._internal.exceptions import InvalidWheelFilename from pip._internal.models.format_control import FormatControl from pip._internal.models.link import Link from pip._internal.models.wheel import Wheel from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds from pip._internal.utils.urls import path_to_url logger = logging.getLogger(__name__) def _hash_dict(d: Dict[str, str]) -> str: """Return a stable sha224 of a dictionary.""" s = json.dumps(d, sort_keys=True, separators=(",", ":"), ensure_ascii=True) return hashlib.sha224(s.encode("ascii")).hexdigest() class Cache: """An abstract class - provides cache directories for data from links :param cache_dir: The root of the cache. :param format_control: An object of FormatControl class to limit binaries being read from the cache. :param allowed_formats: which formats of files the cache should store. ('binary' and 'source' are the only allowed values) """ def __init__( self, cache_dir: str, format_control: FormatControl, allowed_formats: Set[str] ) -> None: super().__init__() assert not cache_dir or os.path.isabs(cache_dir) self.cache_dir = cache_dir or None self.format_control = format_control self.allowed_formats = allowed_formats _valid_formats = {"source", "binary"} assert self.allowed_formats.union(_valid_formats) == _valid_formats def _get_cache_path_parts(self, link: Link) -> List[str]: """Get parts of part that must be os.path.joined with cache_dir""" # We want to generate an url to use as our cache key, we don't want to # just re-use the URL because it might have other items in the fragment # and we don't care about those. key_parts = {"url": link.url_without_fragment} if link.hash_name is not None and link.hash is not None: key_parts[link.hash_name] = link.hash if link.subdirectory_fragment: key_parts["subdirectory"] = link.subdirectory_fragment # Include interpreter name, major and minor version in cache key # to cope with ill-behaved sdists that build a different wheel # depending on the python version their setup.py is being run on, # and don't encode the difference in compatibility tags. # https://github.com/pypa/pip/issues/7296 key_parts["interpreter_name"] = interpreter_name() key_parts["interpreter_version"] = interpreter_version() # Encode our key url with sha224, we'll use this because it has similar # security properties to sha256, but with a shorter total output (and # thus less secure). However the differences don't make a lot of # difference for our use case here. hashed = _hash_dict(key_parts) # We want to nest the directories some to prevent having a ton of top # level directories where we might run out of sub directories on some # FS. parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]] return parts def _get_candidates(self, link: Link, canonical_package_name: str) -> List[Any]: can_not_cache = not self.cache_dir or not canonical_package_name or not link if can_not_cache: return [] formats = self.format_control.get_allowed_formats(canonical_package_name) if not self.allowed_formats.intersection(formats): return [] candidates = [] path = self.get_path_for_link(link) if os.path.isdir(path): for candidate in os.listdir(path): candidates.append((candidate, path)) return candidates def get_path_for_link(self, link: Link) -> str: """Return a directory to store cached items in for link.""" raise NotImplementedError() def get( self, link: Link, package_name: Optional[str], supported_tags: List[Tag], ) -> Link: """Returns a link to a cached item if it exists, otherwise returns the passed link. """ raise NotImplementedError() class SimpleWheelCache(Cache): """A cache of wheels for future installs.""" def __init__(self, cache_dir: str, format_control: FormatControl) -> None: super().__init__(cache_dir, format_control, {"binary"}) def get_path_for_link(self, link: Link) -> str: """Return a directory to store cached wheels for link Because there are M wheels for any one sdist, we provide a directory to cache them in, and then consult that directory when looking up cache hits. We only insert things into the cache if they have plausible version numbers, so that we don't contaminate the cache with things that were not unique. E.g. ./package might have dozens of installs done for it and build a version of 0.0...and if we built and cached a wheel, we'd end up using the same wheel even if the source has been edited. :param link: The link of the sdist for which this will cache wheels. """ parts = self._get_cache_path_parts(link) assert self.cache_dir # Store wheels within the root cache_dir return os.path.join(self.cache_dir, "wheels", *parts) def get( self, link: Link, package_name: Optional[str], supported_tags: List[Tag], ) -> Link: candidates = [] if not package_name: return link canonical_package_name = canonicalize_name(package_name) for wheel_name, wheel_dir in self._get_candidates(link, canonical_package_name): try: wheel = Wheel(wheel_name) except InvalidWheelFilename: continue if canonicalize_name(wheel.name) != canonical_package_name: logger.debug( "Ignoring cached wheel %s for %s as it " "does not match the expected distribution name %s.", wheel_name, link, package_name, ) continue if not wheel.supported(supported_tags): # Built for a different python/arch/etc continue candidates.append( ( wheel.support_index_min(supported_tags), wheel_name, wheel_dir, ) ) if not candidates: return link _, wheel_name, wheel_dir = min(candidates) return Link(path_to_url(os.path.join(wheel_dir, wheel_name))) class EphemWheelCache(SimpleWheelCache): """A SimpleWheelCache that creates it's own temporary cache directory""" def __init__(self, format_control: FormatControl) -> None: self._temp_dir = TempDirectory( kind=tempdir_kinds.EPHEM_WHEEL_CACHE, globally_managed=True, ) super().__init__(self._temp_dir.path, format_control) class CacheEntry: def __init__( self, link: Link, persistent: bool, ): self.link = link self.persistent = persistent class WheelCache(Cache): """Wraps EphemWheelCache and SimpleWheelCache into a single Cache This Cache allows for gracefully degradation, using the ephem wheel cache when a certain link is not found in the simple wheel cache first. """ def __init__(self, cache_dir: str, format_control: FormatControl) -> None: super().__init__(cache_dir, format_control, {"binary"}) self._wheel_cache = SimpleWheelCache(cache_dir, format_control) self._ephem_cache = EphemWheelCache(format_control) def get_path_for_link(self, link: Link) -> str: return self._wheel_cache.get_path_for_link(link) def get_ephem_path_for_link(self, link: Link) -> str: return self._ephem_cache.get_path_for_link(link) def get( self, link: Link, package_name: Optional[str], supported_tags: List[Tag], ) -> Link: cache_entry = self.get_cache_entry(link, package_name, supported_tags) if cache_entry is None: return link return cache_entry.link def get_cache_entry( self, link: Link, package_name: Optional[str], supported_tags: List[Tag], ) -> Optional[CacheEntry]: """Returns a CacheEntry with a link to a cached item if it exists or None. The cache entry indicates if the item was found in the persistent or ephemeral cache. """ retval = self._wheel_cache.get( link=link, package_name=package_name, supported_tags=supported_tags, ) if retval is not link: return CacheEntry(retval, persistent=True) retval = self._ephem_cache.get( link=link, package_name=package_name, supported_tags=supported_tags, ) if retval is not link: return CacheEntry(retval, persistent=False) return None _internal/configuration.py 0000644 00000031541 15114542002 0011736 0 ustar 00 """Configuration management setup Some terminology: - name As written in config files. - value Value associated with a name - key Name combined with it's section (section.name) - variant A single word describing where the configuration key-value pair came from """ import configparser import locale import os import sys from typing import Any, Dict, Iterable, List, NewType, Optional, Tuple from pip._internal.exceptions import ( ConfigurationError, ConfigurationFileCouldNotBeLoaded, ) from pip._internal.utils import appdirs from pip._internal.utils.compat import WINDOWS from pip._internal.utils.logging import getLogger from pip._internal.utils.misc import ensure_dir, enum RawConfigParser = configparser.RawConfigParser # Shorthand Kind = NewType("Kind", str) CONFIG_BASENAME = "pip.ini" if WINDOWS else "pip.conf" ENV_NAMES_IGNORED = "version", "help" # The kinds of configurations there are. kinds = enum( USER="user", # User Specific GLOBAL="global", # System Wide SITE="site", # [Virtual] Environment Specific ENV="env", # from PIP_CONFIG_FILE ENV_VAR="env-var", # from Environment Variables ) OVERRIDE_ORDER = kinds.GLOBAL, kinds.USER, kinds.SITE, kinds.ENV, kinds.ENV_VAR VALID_LOAD_ONLY = kinds.USER, kinds.GLOBAL, kinds.SITE logger = getLogger(__name__) # NOTE: Maybe use the optionx attribute to normalize keynames. def _normalize_name(name: str) -> str: """Make a name consistent regardless of source (environment or file)""" name = name.lower().replace("_", "-") if name.startswith("--"): name = name[2:] # only prefer long opts return name def _disassemble_key(name: str) -> List[str]: if "." not in name: error_message = ( "Key does not contain dot separated section and key. " "Perhaps you wanted to use 'global.{}' instead?" ).format(name) raise ConfigurationError(error_message) return name.split(".", 1) def get_configuration_files() -> Dict[Kind, List[str]]: global_config_files = [ os.path.join(path, CONFIG_BASENAME) for path in appdirs.site_config_dirs("pip") ] site_config_file = os.path.join(sys.prefix, CONFIG_BASENAME) legacy_config_file = os.path.join( os.path.expanduser("~"), "pip" if WINDOWS else ".pip", CONFIG_BASENAME, ) new_config_file = os.path.join(appdirs.user_config_dir("pip"), CONFIG_BASENAME) return { kinds.GLOBAL: global_config_files, kinds.SITE: [site_config_file], kinds.USER: [legacy_config_file, new_config_file], } class Configuration: """Handles management of configuration. Provides an interface to accessing and managing configuration files. This class converts provides an API that takes "section.key-name" style keys and stores the value associated with it as "key-name" under the section "section". This allows for a clean interface wherein the both the section and the key-name are preserved in an easy to manage form in the configuration files and the data stored is also nice. """ def __init__(self, isolated: bool, load_only: Optional[Kind] = None) -> None: super().__init__() if load_only is not None and load_only not in VALID_LOAD_ONLY: raise ConfigurationError( "Got invalid value for load_only - should be one of {}".format( ", ".join(map(repr, VALID_LOAD_ONLY)) ) ) self.isolated = isolated self.load_only = load_only # Because we keep track of where we got the data from self._parsers: Dict[Kind, List[Tuple[str, RawConfigParser]]] = { variant: [] for variant in OVERRIDE_ORDER } self._config: Dict[Kind, Dict[str, Any]] = { variant: {} for variant in OVERRIDE_ORDER } self._modified_parsers: List[Tuple[str, RawConfigParser]] = [] def load(self) -> None: """Loads configuration from configuration files and environment""" self._load_config_files() if not self.isolated: self._load_environment_vars() def get_file_to_edit(self) -> Optional[str]: """Returns the file with highest priority in configuration""" assert self.load_only is not None, "Need to be specified a file to be editing" try: return self._get_parser_to_modify()[0] except IndexError: return None def items(self) -> Iterable[Tuple[str, Any]]: """Returns key-value pairs like dict.items() representing the loaded configuration """ return self._dictionary.items() def get_value(self, key: str) -> Any: """Get a value from the configuration.""" try: return self._dictionary[key] except KeyError: raise ConfigurationError(f"No such key - {key}") def set_value(self, key: str, value: Any) -> None: """Modify a value in the configuration.""" self._ensure_have_load_only() assert self.load_only fname, parser = self._get_parser_to_modify() if parser is not None: section, name = _disassemble_key(key) # Modify the parser and the configuration if not parser.has_section(section): parser.add_section(section) parser.set(section, name, value) self._config[self.load_only][key] = value self._mark_as_modified(fname, parser) def unset_value(self, key: str) -> None: """Unset a value in the configuration.""" self._ensure_have_load_only() assert self.load_only if key not in self._config[self.load_only]: raise ConfigurationError(f"No such key - {key}") fname, parser = self._get_parser_to_modify() if parser is not None: section, name = _disassemble_key(key) if not ( parser.has_section(section) and parser.remove_option(section, name) ): # The option was not removed. raise ConfigurationError( "Fatal Internal error [id=1]. Please report as a bug." ) # The section may be empty after the option was removed. if not parser.items(section): parser.remove_section(section) self._mark_as_modified(fname, parser) del self._config[self.load_only][key] def save(self) -> None: """Save the current in-memory state.""" self._ensure_have_load_only() for fname, parser in self._modified_parsers: logger.info("Writing to %s", fname) # Ensure directory exists. ensure_dir(os.path.dirname(fname)) with open(fname, "w") as f: parser.write(f) # # Private routines # def _ensure_have_load_only(self) -> None: if self.load_only is None: raise ConfigurationError("Needed a specific file to be modifying.") logger.debug("Will be working with %s variant only", self.load_only) @property def _dictionary(self) -> Dict[str, Any]: """A dictionary representing the loaded configuration.""" # NOTE: Dictionaries are not populated if not loaded. So, conditionals # are not needed here. retval = {} for variant in OVERRIDE_ORDER: retval.update(self._config[variant]) return retval def _load_config_files(self) -> None: """Loads configuration from configuration files""" config_files = dict(self.iter_config_files()) if config_files[kinds.ENV][0:1] == [os.devnull]: logger.debug( "Skipping loading configuration files due to " "environment's PIP_CONFIG_FILE being os.devnull" ) return for variant, files in config_files.items(): for fname in files: # If there's specific variant set in `load_only`, load only # that variant, not the others. if self.load_only is not None and variant != self.load_only: logger.debug("Skipping file '%s' (variant: %s)", fname, variant) continue parser = self._load_file(variant, fname) # Keeping track of the parsers used self._parsers[variant].append((fname, parser)) def _load_file(self, variant: Kind, fname: str) -> RawConfigParser: logger.verbose("For variant '%s', will try loading '%s'", variant, fname) parser = self._construct_parser(fname) for section in parser.sections(): items = parser.items(section) self._config[variant].update(self._normalized_keys(section, items)) return parser def _construct_parser(self, fname: str) -> RawConfigParser: parser = configparser.RawConfigParser() # If there is no such file, don't bother reading it but create the # parser anyway, to hold the data. # Doing this is useful when modifying and saving files, where we don't # need to construct a parser. if os.path.exists(fname): try: parser.read(fname) except UnicodeDecodeError: # See https://github.com/pypa/pip/issues/4963 raise ConfigurationFileCouldNotBeLoaded( reason="contains invalid {} characters".format( locale.getpreferredencoding(False) ), fname=fname, ) except configparser.Error as error: # See https://github.com/pypa/pip/issues/4893 raise ConfigurationFileCouldNotBeLoaded(error=error) return parser def _load_environment_vars(self) -> None: """Loads configuration from environment variables""" self._config[kinds.ENV_VAR].update( self._normalized_keys(":env:", self.get_environ_vars()) ) def _normalized_keys( self, section: str, items: Iterable[Tuple[str, Any]] ) -> Dict[str, Any]: """Normalizes items to construct a dictionary with normalized keys. This routine is where the names become keys and are made the same regardless of source - configuration files or environment. """ normalized = {} for name, val in items: key = section + "." + _normalize_name(name) normalized[key] = val return normalized def get_environ_vars(self) -> Iterable[Tuple[str, str]]: """Returns a generator with all environmental vars with prefix PIP_""" for key, val in os.environ.items(): if key.startswith("PIP_"): name = key[4:].lower() if name not in ENV_NAMES_IGNORED: yield name, val # XXX: This is patched in the tests. def iter_config_files(self) -> Iterable[Tuple[Kind, List[str]]]: """Yields variant and configuration files associated with it. This should be treated like items of a dictionary. """ # SMELL: Move the conditions out of this function # environment variables have the lowest priority config_file = os.environ.get("PIP_CONFIG_FILE", None) if config_file is not None: yield kinds.ENV, [config_file] else: yield kinds.ENV, [] config_files = get_configuration_files() # at the base we have any global configuration yield kinds.GLOBAL, config_files[kinds.GLOBAL] # per-user configuration next should_load_user_config = not self.isolated and not ( config_file and os.path.exists(config_file) ) if should_load_user_config: # The legacy config file is overridden by the new config file yield kinds.USER, config_files[kinds.USER] # finally virtualenv configuration first trumping others yield kinds.SITE, config_files[kinds.SITE] def get_values_in_config(self, variant: Kind) -> Dict[str, Any]: """Get values present in a config file""" return self._config[variant] def _get_parser_to_modify(self) -> Tuple[str, RawConfigParser]: # Determine which parser to modify assert self.load_only parsers = self._parsers[self.load_only] if not parsers: # This should not happen if everything works correctly. raise ConfigurationError( "Fatal Internal error [id=2]. Please report as a bug." ) # Use the highest priority parser. return parsers[-1] # XXX: This is patched in the tests. def _mark_as_modified(self, fname: str, parser: RawConfigParser) -> None: file_parser_tuple = (fname, parser) if file_parser_tuple not in self._modified_parsers: self._modified_parsers.append(file_parser_tuple) def __repr__(self) -> str: return f"{self.__class__.__name__}({self._dictionary!r})" _internal/exceptions.py 0000644 00000030732 15114542002 0011251 0 ustar 00 """Exceptions used throughout package""" import configparser from itertools import chain, groupby, repeat from typing import TYPE_CHECKING, Dict, List, Optional, Union from pip._vendor.pkg_resources import Distribution from pip._vendor.requests.models import Request, Response if TYPE_CHECKING: from hashlib import _Hash from pip._internal.metadata import BaseDistribution from pip._internal.req.req_install import InstallRequirement class PipError(Exception): """Base pip exception""" class ConfigurationError(PipError): """General exception in configuration""" class InstallationError(PipError): """General exception during installation""" class UninstallationError(PipError): """General exception during uninstallation""" class NoneMetadataError(PipError): """ Raised when accessing "METADATA" or "PKG-INFO" metadata for a pip._vendor.pkg_resources.Distribution object and `dist.has_metadata('METADATA')` returns True but `dist.get_metadata('METADATA')` returns None (and similarly for "PKG-INFO"). """ def __init__( self, dist: Union[Distribution, "BaseDistribution"], metadata_name: str, ) -> None: """ :param dist: A Distribution object. :param metadata_name: The name of the metadata being accessed (can be "METADATA" or "PKG-INFO"). """ self.dist = dist self.metadata_name = metadata_name def __str__(self) -> str: # Use `dist` in the error message because its stringification # includes more information, like the version and location. return "None {} metadata found for distribution: {}".format( self.metadata_name, self.dist, ) class UserInstallationInvalid(InstallationError): """A --user install is requested on an environment without user site.""" def __str__(self) -> str: return "User base directory is not specified" class InvalidSchemeCombination(InstallationError): def __str__(self) -> str: before = ", ".join(str(a) for a in self.args[:-1]) return f"Cannot set {before} and {self.args[-1]} together" class DistributionNotFound(InstallationError): """Raised when a distribution cannot be found to satisfy a requirement""" class RequirementsFileParseError(InstallationError): """Raised when a general error occurs parsing a requirements file line.""" class BestVersionAlreadyInstalled(PipError): """Raised when the most up-to-date version of a package is already installed.""" class BadCommand(PipError): """Raised when virtualenv or a command is not found""" class CommandError(PipError): """Raised when there is an error in command-line arguments""" class PreviousBuildDirError(PipError): """Raised when there's a previous conflicting build directory""" class NetworkConnectionError(PipError): """HTTP connection error""" def __init__( self, error_msg: str, response: Response = None, request: Request = None ) -> None: """ Initialize NetworkConnectionError with `request` and `response` objects. """ self.response = response self.request = request self.error_msg = error_msg if ( self.response is not None and not self.request and hasattr(response, "request") ): self.request = self.response.request super().__init__(error_msg, response, request) def __str__(self) -> str: return str(self.error_msg) class InvalidWheelFilename(InstallationError): """Invalid wheel filename.""" class UnsupportedWheel(InstallationError): """Unsupported wheel.""" class MetadataInconsistent(InstallationError): """Built metadata contains inconsistent information. This is raised when the metadata contains values (e.g. name and version) that do not match the information previously obtained from sdist filename or user-supplied ``#egg=`` value. """ def __init__( self, ireq: "InstallRequirement", field: str, f_val: str, m_val: str ) -> None: self.ireq = ireq self.field = field self.f_val = f_val self.m_val = m_val def __str__(self) -> str: template = ( "Requested {} has inconsistent {}: " "filename has {!r}, but metadata has {!r}" ) return template.format(self.ireq, self.field, self.f_val, self.m_val) class InstallationSubprocessError(InstallationError): """A subprocess call failed during installation.""" def __init__(self, returncode: int, description: str) -> None: self.returncode = returncode self.description = description def __str__(self) -> str: return ( "Command errored out with exit status {}: {} " "Check the logs for full command output." ).format(self.returncode, self.description) class HashErrors(InstallationError): """Multiple HashError instances rolled into one for reporting""" def __init__(self) -> None: self.errors: List["HashError"] = [] def append(self, error: "HashError") -> None: self.errors.append(error) def __str__(self) -> str: lines = [] self.errors.sort(key=lambda e: e.order) for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__): lines.append(cls.head) lines.extend(e.body() for e in errors_of_cls) if lines: return "\n".join(lines) return "" def __bool__(self) -> bool: return bool(self.errors) class HashError(InstallationError): """ A failure to verify a package against known-good hashes :cvar order: An int sorting hash exception classes by difficulty of recovery (lower being harder), so the user doesn't bother fretting about unpinned packages when he has deeper issues, like VCS dependencies, to deal with. Also keeps error reports in a deterministic order. :cvar head: A section heading for display above potentially many exceptions of this kind :ivar req: The InstallRequirement that triggered this error. This is pasted on after the exception is instantiated, because it's not typically available earlier. """ req: Optional["InstallRequirement"] = None head = "" order: int = -1 def body(self) -> str: """Return a summary of me for display under the heading. This default implementation simply prints a description of the triggering requirement. :param req: The InstallRequirement that provoked this error, with its link already populated by the resolver's _populate_link(). """ return f" {self._requirement_name()}" def __str__(self) -> str: return f"{self.head}\n{self.body()}" def _requirement_name(self) -> str: """Return a description of the requirement that triggered me. This default implementation returns long description of the req, with line numbers """ return str(self.req) if self.req else "unknown package" class VcsHashUnsupported(HashError): """A hash was provided for a version-control-system-based requirement, but we don't have a method for hashing those.""" order = 0 head = ( "Can't verify hashes for these requirements because we don't " "have a way to hash version control repositories:" ) class DirectoryUrlHashUnsupported(HashError): """A hash was provided for a version-control-system-based requirement, but we don't have a method for hashing those.""" order = 1 head = ( "Can't verify hashes for these file:// requirements because they " "point to directories:" ) class HashMissing(HashError): """A hash was needed for a requirement but is absent.""" order = 2 head = ( "Hashes are required in --require-hashes mode, but they are " "missing from some requirements. Here is a list of those " "requirements along with the hashes their downloaded archives " "actually had. Add lines like these to your requirements files to " "prevent tampering. (If you did not enable --require-hashes " "manually, note that it turns on automatically when any package " "has a hash.)" ) def __init__(self, gotten_hash: str) -> None: """ :param gotten_hash: The hash of the (possibly malicious) archive we just downloaded """ self.gotten_hash = gotten_hash def body(self) -> str: # Dodge circular import. from pip._internal.utils.hashes import FAVORITE_HASH package = None if self.req: # In the case of URL-based requirements, display the original URL # seen in the requirements file rather than the package name, # so the output can be directly copied into the requirements file. package = ( self.req.original_link if self.req.original_link # In case someone feeds something downright stupid # to InstallRequirement's constructor. else getattr(self.req, "req", None) ) return " {} --hash={}:{}".format( package or "unknown package", FAVORITE_HASH, self.gotten_hash ) class HashUnpinned(HashError): """A requirement had a hash specified but was not pinned to a specific version.""" order = 3 head = ( "In --require-hashes mode, all requirements must have their " "versions pinned with ==. These do not:" ) class HashMismatch(HashError): """ Distribution file hash values don't match. :ivar package_name: The name of the package that triggered the hash mismatch. Feel free to write to this after the exception is raise to improve its error message. """ order = 4 head = ( "THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS " "FILE. If you have updated the package versions, please update " "the hashes. Otherwise, examine the package contents carefully; " "someone may have tampered with them." ) def __init__(self, allowed: Dict[str, List[str]], gots: Dict[str, "_Hash"]) -> None: """ :param allowed: A dict of algorithm names pointing to lists of allowed hex digests :param gots: A dict of algorithm names pointing to hashes we actually got from the files under suspicion """ self.allowed = allowed self.gots = gots def body(self) -> str: return " {}:\n{}".format(self._requirement_name(), self._hash_comparison()) def _hash_comparison(self) -> str: """ Return a comparison of actual and expected hash values. Example:: Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde or 123451234512345123451234512345123451234512345 Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef """ def hash_then_or(hash_name: str) -> "chain[str]": # For now, all the decent hashes have 6-char names, so we can get # away with hard-coding space literals. return chain([hash_name], repeat(" or")) lines: List[str] = [] for hash_name, expecteds in self.allowed.items(): prefix = hash_then_or(hash_name) lines.extend( (" Expected {} {}".format(next(prefix), e)) for e in expecteds ) lines.append( " Got {}\n".format(self.gots[hash_name].hexdigest()) ) return "\n".join(lines) class UnsupportedPythonVersion(InstallationError): """Unsupported python version according to Requires-Python package metadata.""" class ConfigurationFileCouldNotBeLoaded(ConfigurationError): """When there are errors while loading a configuration file""" def __init__( self, reason: str = "could not be loaded", fname: Optional[str] = None, error: Optional[configparser.Error] = None, ) -> None: super().__init__(error) self.reason = reason self.fname = fname self.error = error def __str__(self) -> str: if self.fname is not None: message_part = f" in {self.fname}." else: assert self.error is not None message_part = f".\n{self.error}\n" return f"Configuration file {self.reason}{message_part}" _internal/main.py 0000644 00000000524 15114542002 0010010 0 ustar 00 from typing import List, Optional def main(args: Optional[List[str]] = None) -> int: """This is preserved for old console scripts that may still be referencing it. For additional details, see https://github.com/pypa/pip/issues/7498. """ from pip._internal.utils.entrypoints import _wrapper return _wrapper(args) _internal/pyproject.py 0000644 00000016057 15114542002 0011113 0 ustar 00 import os from collections import namedtuple from typing import Any, List, Optional from pip._vendor import tomli from pip._vendor.packaging.requirements import InvalidRequirement, Requirement from pip._internal.exceptions import InstallationError def _is_list_of_str(obj: Any) -> bool: return isinstance(obj, list) and all(isinstance(item, str) for item in obj) def make_pyproject_path(unpacked_source_directory: str) -> str: return os.path.join(unpacked_source_directory, "pyproject.toml") BuildSystemDetails = namedtuple( "BuildSystemDetails", ["requires", "backend", "check", "backend_path"] ) def load_pyproject_toml( use_pep517: Optional[bool], pyproject_toml: str, setup_py: str, req_name: str ) -> Optional[BuildSystemDetails]: """Load the pyproject.toml file. Parameters: use_pep517 - Has the user requested PEP 517 processing? None means the user hasn't explicitly specified. pyproject_toml - Location of the project's pyproject.toml file setup_py - Location of the project's setup.py file req_name - The name of the requirement we're processing (for error reporting) Returns: None if we should use the legacy code path, otherwise a tuple ( requirements from pyproject.toml, name of PEP 517 backend, requirements we should check are installed after setting up the build environment directory paths to import the backend from (backend-path), relative to the project root. ) """ has_pyproject = os.path.isfile(pyproject_toml) has_setup = os.path.isfile(setup_py) if not has_pyproject and not has_setup: raise InstallationError( f"{req_name} does not appear to be a Python project: " f"neither 'setup.py' nor 'pyproject.toml' found." ) if has_pyproject: with open(pyproject_toml, encoding="utf-8") as f: pp_toml = tomli.load(f) build_system = pp_toml.get("build-system") else: build_system = None # The following cases must use PEP 517 # We check for use_pep517 being non-None and falsey because that means # the user explicitly requested --no-use-pep517. The value 0 as # opposed to False can occur when the value is provided via an # environment variable or config file option (due to the quirk of # strtobool() returning an integer in pip's configuration code). if has_pyproject and not has_setup: if use_pep517 is not None and not use_pep517: raise InstallationError( "Disabling PEP 517 processing is invalid: " "project does not have a setup.py" ) use_pep517 = True elif build_system and "build-backend" in build_system: if use_pep517 is not None and not use_pep517: raise InstallationError( "Disabling PEP 517 processing is invalid: " "project specifies a build backend of {} " "in pyproject.toml".format(build_system["build-backend"]) ) use_pep517 = True # If we haven't worked out whether to use PEP 517 yet, # and the user hasn't explicitly stated a preference, # we do so if the project has a pyproject.toml file. elif use_pep517 is None: use_pep517 = has_pyproject # At this point, we know whether we're going to use PEP 517. assert use_pep517 is not None # If we're using the legacy code path, there is nothing further # for us to do here. if not use_pep517: return None if build_system is None: # Either the user has a pyproject.toml with no build-system # section, or the user has no pyproject.toml, but has opted in # explicitly via --use-pep517. # In the absence of any explicit backend specification, we # assume the setuptools backend that most closely emulates the # traditional direct setup.py execution, and require wheel and # a version of setuptools that supports that backend. build_system = { "requires": ["setuptools>=40.8.0", "wheel"], "build-backend": "setuptools.build_meta:__legacy__", } # If we're using PEP 517, we have build system information (either # from pyproject.toml, or defaulted by the code above). # Note that at this point, we do not know if the user has actually # specified a backend, though. assert build_system is not None # Ensure that the build-system section in pyproject.toml conforms # to PEP 518. error_template = ( "{package} has a pyproject.toml file that does not comply " "with PEP 518: {reason}" ) # Specifying the build-system table but not the requires key is invalid if "requires" not in build_system: raise InstallationError( error_template.format( package=req_name, reason=( "it has a 'build-system' table but not " "'build-system.requires' which is mandatory in the table" ), ) ) # Error out if requires is not a list of strings requires = build_system["requires"] if not _is_list_of_str(requires): raise InstallationError( error_template.format( package=req_name, reason="'build-system.requires' is not a list of strings.", ) ) # Each requirement must be valid as per PEP 508 for requirement in requires: try: Requirement(requirement) except InvalidRequirement: raise InstallationError( error_template.format( package=req_name, reason=( "'build-system.requires' contains an invalid " "requirement: {!r}".format(requirement) ), ) ) backend = build_system.get("build-backend") backend_path = build_system.get("backend-path", []) check: List[str] = [] if backend is None: # If the user didn't specify a backend, we assume they want to use # the setuptools backend. But we can't be sure they have included # a version of setuptools which supplies the backend, or wheel # (which is needed by the backend) in their requirements. So we # make a note to check that those requirements are present once # we have set up the environment. # This is quite a lot of work to check for a very specific case. But # the problem is, that case is potentially quite common - projects that # adopted PEP 518 early for the ability to specify requirements to # execute setup.py, but never considered needing to mention the build # tools themselves. The original PEP 518 code had a similar check (but # implemented in a different way). backend = "setuptools.build_meta:__legacy__" check = ["setuptools>=40.8.0", "wheel"] return BuildSystemDetails(requires, backend, check, backend_path) _internal/self_outdated_check.py 0000644 00000014371 15114542002 0013050 0 ustar 00 import datetime import hashlib import json import logging import optparse import os.path import sys from typing import Any, Dict from pip._vendor.packaging.version import parse as parse_version from pip._internal.index.collector import LinkCollector from pip._internal.index.package_finder import PackageFinder from pip._internal.metadata import get_default_environment from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.network.session import PipSession from pip._internal.utils.filesystem import adjacent_tmp_file, check_path_owner, replace from pip._internal.utils.misc import ensure_dir SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ" logger = logging.getLogger(__name__) def _get_statefile_name(key: str) -> str: key_bytes = key.encode() name = hashlib.sha224(key_bytes).hexdigest() return name class SelfCheckState: def __init__(self, cache_dir: str) -> None: self.state: Dict[str, Any] = {} self.statefile_path = None # Try to load the existing state if cache_dir: self.statefile_path = os.path.join( cache_dir, "selfcheck", _get_statefile_name(self.key) ) try: with open(self.statefile_path, encoding="utf-8") as statefile: self.state = json.load(statefile) except (OSError, ValueError, KeyError): # Explicitly suppressing exceptions, since we don't want to # error out if the cache file is invalid. pass @property def key(self) -> str: return sys.prefix def save(self, pypi_version: str, current_time: datetime.datetime) -> None: # If we do not have a path to cache in, don't bother saving. if not self.statefile_path: return # Check to make sure that we own the directory if not check_path_owner(os.path.dirname(self.statefile_path)): return # Now that we've ensured the directory is owned by this user, we'll go # ahead and make sure that all our directories are created. ensure_dir(os.path.dirname(self.statefile_path)) state = { # Include the key so it's easy to tell which pip wrote the # file. "key": self.key, "last_check": current_time.strftime(SELFCHECK_DATE_FMT), "pypi_version": pypi_version, } text = json.dumps(state, sort_keys=True, separators=(",", ":")) with adjacent_tmp_file(self.statefile_path) as f: f.write(text.encode()) try: # Since we have a prefix-specific state file, we can just # overwrite whatever is there, no need to check. replace(f.name, self.statefile_path) except OSError: # Best effort. pass def was_installed_by_pip(pkg: str) -> bool: """Checks whether pkg was installed by pip This is used not to display the upgrade message when pip is in fact installed by system package manager, such as dnf on Fedora. """ dist = get_default_environment().get_distribution(pkg) return dist is not None and "pip" == dist.installer def pip_self_version_check(session: PipSession, options: optparse.Values) -> None: """Check for an update for pip. Limit the frequency of checks to once per week. State is stored either in the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix of the pip script path. """ installed_dist = get_default_environment().get_distribution("pip") if not installed_dist: return pip_version = installed_dist.version pypi_version = None try: state = SelfCheckState(cache_dir=options.cache_dir) current_time = datetime.datetime.utcnow() # Determine if we need to refresh the state if "last_check" in state.state and "pypi_version" in state.state: last_check = datetime.datetime.strptime( state.state["last_check"], SELFCHECK_DATE_FMT ) if (current_time - last_check).total_seconds() < 7 * 24 * 60 * 60: pypi_version = state.state["pypi_version"] # Refresh the version if we need to or just see if we need to warn if pypi_version is None: # Lets use PackageFinder to see what the latest pip version is link_collector = LinkCollector.create( session, options=options, suppress_no_index=True, ) # Pass allow_yanked=False so we don't suggest upgrading to a # yanked version. selection_prefs = SelectionPreferences( allow_yanked=False, allow_all_prereleases=False, # Explicitly set to False ) finder = PackageFinder.create( link_collector=link_collector, selection_prefs=selection_prefs, ) best_candidate = finder.find_best_candidate("pip").best_candidate if best_candidate is None: return pypi_version = str(best_candidate.version) # save that we've performed a check state.save(pypi_version, current_time) remote_version = parse_version(pypi_version) local_version_is_older = ( pip_version < remote_version and pip_version.base_version != remote_version.base_version and was_installed_by_pip("pip") ) # Determine if our pypi_version is older if not local_version_is_older: return # We cannot tell how the current pip is available in the current # command context, so be pragmatic here and suggest the command # that's always available. This does not accommodate spaces in # `sys.executable`. pip_cmd = f"{sys.executable} -m pip" logger.warning( "You are using pip version %s; however, version %s is " "available.\nYou should consider upgrading via the " "'%s install --upgrade pip' command.", pip_version, pypi_version, pip_cmd, ) except Exception: logger.debug( "There was an error checking the latest version of pip", exc_info=True, ) _internal/wheel_builder.py 0000644 00000027727 15114542002 0011714 0 ustar 00 """Orchestrator for building wheels from InstallRequirements. """ import logging import os.path import re import shutil from typing import Any, Callable, Iterable, List, Optional, Tuple from pip._vendor.packaging.utils import canonicalize_name, canonicalize_version from pip._vendor.packaging.version import InvalidVersion, Version from pip._internal.cache import WheelCache from pip._internal.exceptions import InvalidWheelFilename, UnsupportedWheel from pip._internal.metadata import FilesystemWheel, get_wheel_distribution from pip._internal.models.link import Link from pip._internal.models.wheel import Wheel from pip._internal.operations.build.wheel import build_wheel_pep517 from pip._internal.operations.build.wheel_editable import build_wheel_editable from pip._internal.operations.build.wheel_legacy import build_wheel_legacy from pip._internal.req.req_install import InstallRequirement from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import ensure_dir, hash_file, is_wheel_installed from pip._internal.utils.setuptools_build import make_setuptools_clean_args from pip._internal.utils.subprocess import call_subprocess from pip._internal.utils.temp_dir import TempDirectory from pip._internal.utils.urls import path_to_url from pip._internal.vcs import vcs logger = logging.getLogger(__name__) _egg_info_re = re.compile(r"([a-z0-9_.]+)-([a-z0-9_.!+-]+)", re.IGNORECASE) BinaryAllowedPredicate = Callable[[InstallRequirement], bool] BuildResult = Tuple[List[InstallRequirement], List[InstallRequirement]] def _contains_egg_info(s: str) -> bool: """Determine whether the string looks like an egg_info. :param s: The string to parse. E.g. foo-2.1 """ return bool(_egg_info_re.search(s)) def _should_build( req: InstallRequirement, need_wheel: bool, check_binary_allowed: BinaryAllowedPredicate, ) -> bool: """Return whether an InstallRequirement should be built into a wheel.""" if req.constraint: # never build requirements that are merely constraints return False if req.is_wheel: if need_wheel: logger.info( "Skipping %s, due to already being wheel.", req.name, ) return False if need_wheel: # i.e. pip wheel, not pip install return True # From this point, this concerns the pip install command only # (need_wheel=False). if not req.source_dir: return False if req.editable: # we only build PEP 660 editable requirements return req.supports_pyproject_editable() if req.use_pep517: return True if not check_binary_allowed(req): logger.info( "Skipping wheel build for %s, due to binaries being disabled for it.", req.name, ) return False if not is_wheel_installed(): # we don't build legacy requirements if wheel is not installed logger.info( "Using legacy 'setup.py install' for %s, " "since package 'wheel' is not installed.", req.name, ) return False return True def should_build_for_wheel_command( req: InstallRequirement, ) -> bool: return _should_build(req, need_wheel=True, check_binary_allowed=_always_true) def should_build_for_install_command( req: InstallRequirement, check_binary_allowed: BinaryAllowedPredicate, ) -> bool: return _should_build( req, need_wheel=False, check_binary_allowed=check_binary_allowed ) def _should_cache( req: InstallRequirement, ) -> Optional[bool]: """ Return whether a built InstallRequirement can be stored in the persistent wheel cache, assuming the wheel cache is available, and _should_build() has determined a wheel needs to be built. """ if req.editable or not req.source_dir: # never cache editable requirements return False if req.link and req.link.is_vcs: # VCS checkout. Do not cache # unless it points to an immutable commit hash. assert not req.editable assert req.source_dir vcs_backend = vcs.get_backend_for_scheme(req.link.scheme) assert vcs_backend if vcs_backend.is_immutable_rev_checkout(req.link.url, req.source_dir): return True return False assert req.link base, ext = req.link.splitext() if _contains_egg_info(base): return True # Otherwise, do not cache. return False def _get_cache_dir( req: InstallRequirement, wheel_cache: WheelCache, ) -> str: """Return the persistent or temporary cache directory where the built wheel need to be stored. """ cache_available = bool(wheel_cache.cache_dir) assert req.link if cache_available and _should_cache(req): cache_dir = wheel_cache.get_path_for_link(req.link) else: cache_dir = wheel_cache.get_ephem_path_for_link(req.link) return cache_dir def _always_true(_: Any) -> bool: return True def _verify_one(req: InstallRequirement, wheel_path: str) -> None: canonical_name = canonicalize_name(req.name or "") w = Wheel(os.path.basename(wheel_path)) if canonicalize_name(w.name) != canonical_name: raise InvalidWheelFilename( "Wheel has unexpected file name: expected {!r}, " "got {!r}".format(canonical_name, w.name), ) dist = get_wheel_distribution(FilesystemWheel(wheel_path), canonical_name) dist_verstr = str(dist.version) if canonicalize_version(dist_verstr) != canonicalize_version(w.version): raise InvalidWheelFilename( "Wheel has unexpected file name: expected {!r}, " "got {!r}".format(dist_verstr, w.version), ) metadata_version_value = dist.metadata_version if metadata_version_value is None: raise UnsupportedWheel("Missing Metadata-Version") try: metadata_version = Version(metadata_version_value) except InvalidVersion: msg = f"Invalid Metadata-Version: {metadata_version_value}" raise UnsupportedWheel(msg) if metadata_version >= Version("1.2") and not isinstance(dist.version, Version): raise UnsupportedWheel( "Metadata 1.2 mandates PEP 440 version, " "but {!r} is not".format(dist_verstr) ) def _build_one( req: InstallRequirement, output_dir: str, verify: bool, build_options: List[str], global_options: List[str], editable: bool, ) -> Optional[str]: """Build one wheel. :return: The filename of the built wheel, or None if the build failed. """ artifact = "editable" if editable else "wheel" try: ensure_dir(output_dir) except OSError as e: logger.warning( "Building %s for %s failed: %s", artifact, req.name, e, ) return None # Install build deps into temporary directory (PEP 518) with req.build_env: wheel_path = _build_one_inside_env( req, output_dir, build_options, global_options, editable ) if wheel_path and verify: try: _verify_one(req, wheel_path) except (InvalidWheelFilename, UnsupportedWheel) as e: logger.warning("Built %s for %s is invalid: %s", artifact, req.name, e) return None return wheel_path def _build_one_inside_env( req: InstallRequirement, output_dir: str, build_options: List[str], global_options: List[str], editable: bool, ) -> Optional[str]: with TempDirectory(kind="wheel") as temp_dir: assert req.name if req.use_pep517: assert req.metadata_directory assert req.pep517_backend if global_options: logger.warning( "Ignoring --global-option when building %s using PEP 517", req.name ) if build_options: logger.warning( "Ignoring --build-option when building %s using PEP 517", req.name ) if editable: wheel_path = build_wheel_editable( name=req.name, backend=req.pep517_backend, metadata_directory=req.metadata_directory, tempd=temp_dir.path, ) else: wheel_path = build_wheel_pep517( name=req.name, backend=req.pep517_backend, metadata_directory=req.metadata_directory, tempd=temp_dir.path, ) else: wheel_path = build_wheel_legacy( name=req.name, setup_py_path=req.setup_py_path, source_dir=req.unpacked_source_directory, global_options=global_options, build_options=build_options, tempd=temp_dir.path, ) if wheel_path is not None: wheel_name = os.path.basename(wheel_path) dest_path = os.path.join(output_dir, wheel_name) try: wheel_hash, length = hash_file(wheel_path) shutil.move(wheel_path, dest_path) logger.info( "Created wheel for %s: filename=%s size=%d sha256=%s", req.name, wheel_name, length, wheel_hash.hexdigest(), ) logger.info("Stored in directory: %s", output_dir) return dest_path except Exception as e: logger.warning( "Building wheel for %s failed: %s", req.name, e, ) # Ignore return, we can't do anything else useful. if not req.use_pep517: _clean_one_legacy(req, global_options) return None def _clean_one_legacy(req: InstallRequirement, global_options: List[str]) -> bool: clean_args = make_setuptools_clean_args( req.setup_py_path, global_options=global_options, ) logger.info("Running setup.py clean for %s", req.name) try: call_subprocess(clean_args, cwd=req.source_dir) return True except Exception: logger.error("Failed cleaning build dir for %s", req.name) return False def build( requirements: Iterable[InstallRequirement], wheel_cache: WheelCache, verify: bool, build_options: List[str], global_options: List[str], ) -> BuildResult: """Build wheels. :return: The list of InstallRequirement that succeeded to build and the list of InstallRequirement that failed to build. """ if not requirements: return [], [] # Build the wheels. logger.info( "Building wheels for collected packages: %s", ", ".join(req.name for req in requirements), # type: ignore ) with indent_log(): build_successes, build_failures = [], [] for req in requirements: assert req.name cache_dir = _get_cache_dir(req, wheel_cache) wheel_file = _build_one( req, cache_dir, verify, build_options, global_options, req.editable and req.permit_editable_wheels, ) if wheel_file: # Update the link for this. req.link = Link(path_to_url(wheel_file)) req.local_file_path = req.link.file_path assert req.link.is_wheel build_successes.append(req) else: build_failures.append(req) # notify success/failure if build_successes: logger.info( "Successfully built %s", " ".join([req.name for req in build_successes]), # type: ignore ) if build_failures: logger.info( "Failed to build %s", " ".join([req.name for req in build_failures]), # type: ignore ) # Return a list of requirements that failed to build return build_successes, build_failures _vendor/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000005464 15114542002 0015542 0 ustar 00 a [��fd � @ s d Z ddlmZ ddlZddlZddlZdZej� ej� e ��Z dd� Z e�re�ej�e d��ej ejdd�< e d� e d � e d � e d � e d � e d � e d� e d� e d� e d� e d� e d� e d� e d� e d� e d� e d� e d� e d� e d� e d � e d � e d � e d � e d � e d!� e d"� e d#� e d$� e d%� e d&� e d'� e d(� e d)� e d*� e d+� e d,� e d-� e d.� e d/� e d0� e d1� e d2� e d3� e d4� e d5� e d6� e d7� e d8� e d9� dS ):z� pip._vendor is for vendoring dependencies of pip to prevent needing pip to depend on something external. 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It is the recommended replacement for Python's original :py:func:`platform.linux_distribution` function, but it provides much more functionality. An alternative implementation became necessary because Python 3.5 deprecated this function, and Python 3.8 removed it altogether. Its predecessor function :py:func:`platform.dist` was already deprecated since Python 2.6 and removed in Python 3.8. Still, there are many cases in which access to OS distribution information is needed. See `Python issue 1322 <https://bugs.python.org/issue1322>`_ for more information. � Nz1.6.0Z UNIXCONFDIRz/etcZ UNIXUSRLIBDIRz/usr/libz os-releaseZolZoracleZrhel)ZenterpriseenterpriseasZenterpriseenterpriseserverZredhatenterpriseworkstationZredhatenterpriseserverZredhatenterprisecomputenodeZredhatzA(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)z(\w+)[-_](release|version)$Zdebian_versionz lsb-releasez oem-releasezsystem-releasez plesk-releaseziredmail-releaseTc C s t jdtdd� t�| �S )aG .. deprecated:: 1.6.0 :func:`distro.linux_distribution()` is deprecated. It should only be used as a compatibility shim with Python's :py:func:`platform.linux_distribution()`. Please use :func:`distro.id`, :func:`distro.version` and :func:`distro.name` instead. Return information about the current OS distribution as a tuple ``(id_name, version, codename)`` with items as follows: * ``id_name``: If *full_distribution_name* is false, the result of :func:`distro.id`. Otherwise, the result of :func:`distro.name`. * ``version``: The result of :func:`distro.version`. * ``codename``: The result of :func:`distro.codename`. The interface of this function is compatible with the original :py:func:`platform.linux_distribution` function, supporting a subset of its parameters. The data it returns may not exactly be the same, because it uses more data sources than the original function, and that may lead to different data if the OS distribution is not consistent across multiple data sources it provides (there are indeed such distributions ...). Another reason for differences is the fact that the :func:`distro.id` method normalizes the distro ID string to a reliable machine-readable value for a number of popular OS distributions. z�distro.linux_distribution() is deprecated. It should only be used as a compatibility shim with Python's platform.linux_distribution(). Please use distro.id(), distro.version() and distro.name() instead.� )� stacklevel)�warnings�warn�DeprecationWarning�_distro�linux_distribution)�full_distribution_name� r �6/usr/lib/python3.9/site-packages/pip/_vendor/distro.pyr � s !�r c C s t �� S )aD Return the distro ID of the current distribution, as a machine-readable string. For a number of OS distributions, the returned distro ID value is *reliable*, in the sense that it is documented and that it does not change across releases of the distribution. This package maintains the following reliable distro ID values: ============== ========================================= Distro ID Distribution ============== ========================================= "ubuntu" Ubuntu "debian" Debian "rhel" RedHat Enterprise Linux "centos" CentOS "fedora" Fedora "sles" SUSE Linux Enterprise Server "opensuse" openSUSE "amazon" Amazon Linux "arch" Arch Linux "cloudlinux" CloudLinux OS "exherbo" Exherbo Linux "gentoo" GenToo Linux "ibm_powerkvm" IBM PowerKVM "kvmibm" KVM for IBM z Systems "linuxmint" Linux Mint "mageia" Mageia "mandriva" Mandriva Linux "parallels" Parallels "pidora" Pidora "raspbian" Raspbian "oracle" Oracle Linux (and Oracle Enterprise Linux) "scientific" Scientific Linux "slackware" Slackware "xenserver" XenServer "openbsd" OpenBSD "netbsd" NetBSD "freebsd" FreeBSD "midnightbsd" MidnightBSD ============== ========================================= If you have a need to get distros for reliable IDs added into this set, or if you find that the :func:`distro.id` function returns a different distro ID for one of the listed distros, please create an issue in the `distro issue tracker`_. **Lookup hierarchy and transformations:** First, the ID is obtained from the following sources, in the specified order. The first available and non-empty value is used: * the value of the "ID" attribute of the os-release file, * the value of the "Distributor ID" attribute returned by the lsb_release command, * the first part of the file name of the distro release file, The so determined ID value then passes the following transformations, before it is returned by this method: * it is translated to lower case, * blanks (which should not be there anyway) are translated to underscores, * a normalization of the ID is performed, based upon `normalization tables`_. The purpose of this normalization is to ensure that the ID is as reliable as possible, even across incompatible changes in the OS distributions. A common reason for an incompatible change is the addition of an os-release file, or the addition of the lsb_release command, with ID values that differ from what was previously determined from the distro release file name. )r �idr r r r r � s Mr Fc C s t �| �S )ak Return the name of the current OS distribution, as a human-readable string. If *pretty* is false, the name is returned without version or codename. (e.g. "CentOS Linux") If *pretty* is true, the version and codename are appended. (e.g. "CentOS Linux 7.1.1503 (Core)") **Lookup hierarchy:** The name is obtained from the following sources, in the specified order. The first available and non-empty value is used: * If *pretty* is false: - the value of the "NAME" attribute of the os-release file, - the value of the "Distributor ID" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file. * If *pretty* is true: - the value of the "PRETTY_NAME" attribute of the os-release file, - the value of the "Description" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file, appended with the value of the pretty version ("<version_id>" and "<codename>" fields) of the distro release file, if available. )r �name��prettyr r r r s %r c C s t �| |�S )av Return the version of the current OS distribution, as a human-readable string. If *pretty* is false, the version is returned without codename (e.g. "7.0"). If *pretty* is true, the codename in parenthesis is appended, if the codename is non-empty (e.g. "7.0 (Maipo)"). Some distributions provide version numbers with different precisions in the different sources of distribution information. Examining the different sources in a fixed priority order does not always yield the most precise version (e.g. for Debian 8.2, or CentOS 7.1). The *best* parameter can be used to control the approach for the returned version: If *best* is false, the first non-empty version number in priority order of the examined sources is returned. If *best* is true, the most precise version number out of all examined sources is returned. **Lookup hierarchy:** In all cases, the version number is obtained from the following sources. If *best* is false, this order represents the priority order: * the value of the "VERSION_ID" attribute of the os-release file, * the value of the "Release" attribute returned by the lsb_release command, * the version number parsed from the "<version_id>" field of the first line of the distro release file, * the version number parsed from the "PRETTY_NAME" attribute of the os-release file, if it follows the format of the distro release files. * the version number parsed from the "Description" attribute returned by the lsb_release command, if it follows the format of the distro release files. )r �version�r �bestr r r r + s *r c C s t �| �S )a� Return the version of the current OS distribution as a tuple ``(major, minor, build_number)`` with items as follows: * ``major``: The result of :func:`distro.major_version`. * ``minor``: The result of :func:`distro.minor_version`. * ``build_number``: The result of :func:`distro.build_number`. For a description of the *best* parameter, see the :func:`distro.version` method. )r � version_parts�r r r r r X s r c C s t �| �S )a5 Return the major version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The major version is the first part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � major_versionr r r r r j s r c C s t �| �S )a6 Return the minor version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The minor version is the second part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � minor_versionr r r r r x s r c C s t �| �S )a3 Return the build number of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The build number is the third part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � build_numberr r r r r � s r c C s t �� S )a Return a space-separated list of distro IDs of distributions that are closely related to the current OS distribution in regards to packaging and programming interfaces, for example distributions the current distribution is a derivative from. **Lookup hierarchy:** This information item is only provided by the os-release file. For details, see the description of the "ID_LIKE" attribute in the `os-release man page <http://www.freedesktop.org/software/systemd/man/os-release.html>`_. )r �liker r r r r � s r c C s t �� S )a� Return the codename for the release of the current OS distribution, as a string. If the distribution does not have a codename, an empty string is returned. Note that the returned codename is not always really a codename. For example, openSUSE returns "x86_64". This function does not handle such cases in any special way and just returns the string it finds, if any. **Lookup hierarchy:** * the codename within the "VERSION" attribute of the os-release file, if provided, * the value of the "Codename" attribute returned by the lsb_release command, * the value of the "<codename>" field of the distro release file. )r �codenamer r r r r � s r c C s t �| |�S )a� Return certain machine-readable information items about the current OS distribution in a dictionary, as shown in the following example: .. sourcecode:: python { 'id': 'rhel', 'version': '7.0', 'version_parts': { 'major': '7', 'minor': '0', 'build_number': '' }, 'like': 'fedora', 'codename': 'Maipo' } The dictionary structure and keys are always the same, regardless of which information items are available in the underlying data sources. The values for the various keys are as follows: * ``id``: The result of :func:`distro.id`. * ``version``: The result of :func:`distro.version`. * ``version_parts -> major``: The result of :func:`distro.major_version`. * ``version_parts -> minor``: The result of :func:`distro.minor_version`. * ``version_parts -> build_number``: The result of :func:`distro.build_number`. * ``like``: The result of :func:`distro.like`. * ``codename``: The result of :func:`distro.codename`. For a description of the *pretty* and *best* parameters, see the :func:`distro.version` method. )r �infor r r r r � s *r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the os-release file data source of the current OS distribution. See `os-release file`_ for details about these information items. )r �os_release_infor r r r r � s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the current OS distribution. See `lsb_release command output`_ for details about these information items. )r �lsb_release_infor r r r r � s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. See `distro release file`_ for details about these information items. )r �distro_release_infor r r r r s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. )r � uname_infor r r r r s r c C s t �| �S )a� Return a single named information item from the os-release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `os-release file`_ for details about these information items. )r �os_release_attr�� attributer r r r s r c C s t �| �S )a� Return a single named information item from the lsb_release command output data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `lsb_release command output`_ for details about these information items. )r �lsb_release_attrr r r r r" + s r" c C s t �| �S )a� Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `distro release file`_ for details about these information items. )r �distro_release_attrr r r r r# @ s r# c C s t �| �S )aZ Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. )r � uname_attrr r r r r$ T s r$ )�cached_propertyc @ s e Zd ZdZdd� Zdd� ZdS )r% z�A version of @property which caches the value. On access, it calls the underlying function and sets the value in `__dict__` so future accesses will not re-call the property. c C s |j | _|| _d S �N)�__name__�_fname�_f)�self�fr r r �__init__p s zcached_property.__init__c C s | � |� }|j| j< |S r& )r) �__dict__r( )r* �obj�owner�retr r r �__get__u s zcached_property.__get__N)r' � __module__� __qualname__�__doc__r, r1 r r r r r% j s r% c @ s> e Zd ZdZdDdd�Zdd� ZdEd d �Zd d � ZdFdd�ZdGdd�Z dHdd�Z dIdd�Z dJdd�Z dKdd�Z dd� Zd d � ZdLd d �Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zed0d1� �Zed2d3� �Z ed4d5� �Z ed6d7� �Z ed8d9� �Z ed:d;� �Z ed<d=� �Z!ed>d?� �Z"d@dA� Z#edBdC� �Z$dS )M�LinuxDistributiona Provides information about a OS distribution. This package creates a private module-global instance of this class with default initialization arguments, that is used by the `consolidated accessor functions`_ and `single source accessor functions`_. By using default initialization arguments, that module-global instance returns data about the current OS distribution (i.e. the distro this package runs on). Normally, it is not necessary to create additional instances of this class. However, in situations where control is needed over the exact data sources that are used, instances of this class can be created with a specific distro release file, or a specific os-release file, or without invoking the lsb_release command. T� Nc C s� || _ |rtj�|d�nt| _|r0tj�|d�nt| _|rB|| _nFtj�| jt �}tj�| jt �}tj� |�sztj� |�s�|| _n|| _|p�d| _ || _ || _ dS )a� The initialization method of this class gathers information from the available data sources, and stores that in private instance attributes. Subsequent access to the information items uses these private instance attributes, so that the data sources are read only once. Parameters: * ``include_lsb`` (bool): Controls whether the `lsb_release command output`_ is included as a data source. If the lsb_release command is not available in the program execution path, the data source for the lsb_release command will be empty. * ``os_release_file`` (string): The path name of the `os-release file`_ that is to be used as a data source. An empty string (the default) will cause the default path name to be used (see `os-release file`_ for details). If the specified or defaulted os-release file does not exist, the data source for the os-release file will be empty. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is to be used as a data source. An empty string (the default) will cause a default search algorithm to be used (see `distro release file`_ for details). If the specified distro release file does not exist, or if no default distro release file can be found, the data source for the distro release file will be empty. * ``include_uname`` (bool): Controls whether uname command output is included as a data source. If the uname command is not available in the program execution path the data source for the uname command will be empty. * ``root_dir`` (string): The absolute path to the root directory to use to find distro-related information files. Public instance attributes: * ``os_release_file`` (string): The path name of the `os-release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter. This controls whether the lsb information will be loaded. * ``include_uname`` (bool): The result of the ``include_uname`` parameter. This controls whether the uname information will be loaded. Raises: * :py:exc:`IOError`: Some I/O issue with an os-release file or distro release file. * :py:exc:`subprocess.CalledProcessError`: The lsb_release command had some issue (other than not being available in the program execution path). * :py:exc:`UnicodeError`: A data source has unexpected characters or uses an unexpected encoding. �etczusr/libr6 N)�root_dir�os�path�join� _UNIXCONFDIR�etc_dir�_UNIXUSRLIBDIRZ usr_lib_dir�os_release_file�_OS_RELEASE_BASENAME�isfile�distro_release_file� include_lsb� include_uname)r* rC r? rB rD r8 Zetc_dir_os_release_fileZusr_lib_os_release_filer r r r, � s$ O��� zLinuxDistribution.__init__c C s dj | d�S )zReturn repr of all infoae LinuxDistribution(os_release_file={self.os_release_file!r}, distro_release_file={self.distro_release_file!r}, include_lsb={self.include_lsb!r}, include_uname={self.include_uname!r}, _os_release_info={self._os_release_info!r}, _lsb_release_info={self._lsb_release_info!r}, _distro_release_info={self._distro_release_info!r}, _uname_info={self._uname_info!r})�r* )�formatrE r r r �__repr__� s ��zLinuxDistribution.__repr__c C s" |r | � � n| �� | �� | �� fS )z� Return information about the OS distribution that is compatible with Python's :func:`platform.linux_distribution`, supporting a subset of its parameters. For details, see :func:`distro.linux_distribution`. )r r r r )r* r r r r r s �z$LinuxDistribution.linux_distributionc C sl dd� }| � d�}|r ||t�S | �d�}|r8||t�S | �d�}|rP||t�S | �d�}|rh||t�S dS )zoReturn the distro ID of the OS distribution, as a string. For details, see :func:`distro.id`. c S s | � � �dd�} |�| | �S )N� �_)�lower�replace�get)� distro_id�tabler r r � normalize s z'LinuxDistribution.id.<locals>.normalizer �distributor_idr6 )r �NORMALIZED_OS_IDr" �NORMALIZED_LSB_IDr# �NORMALIZED_DISTRO_IDr$ )r* rO rM r r r r s zLinuxDistribution.idFc C s| | � d�p&| �d�p&| �d�p&| �d�}|rt| � d�p>| �d�}|st| �d�pV| �d�}| jdd�}|rt|d | }|pzdS ) zu Return the name of the OS distribution, as a string. For details, see :func:`distro.name`. r rP � pretty_name� descriptionTr rH r6 )r r" r# r$ r )r* r r r r r r r 4 s" ���� zLinuxDistribution.namec C s� | � d�| �d�| �d�| �| � d���dd�| �| �d���dd�| �d�g}d}|r�|D ]$}|�d�|�d�ks||dkr\|}q\n|D ]}|dkr�|} q�q�|r�|r�| �� r�d�|| �� �}|S )z{ Return the version of the OS distribution, as a string. For details, see :func:`distro.version`. � version_id�releaserT r6 rU �.z {0} ({1})) r r" r# � _parse_distro_release_contentrL r$ �countr rF )r* r r Zversionsr �vr r r r L s2 ���� zLinuxDistribution.versionc C sL | j |d�}|rHt�d�}|�|�}|rH|�� \}}}||p>d|pDdfS dS )z� Return the version of the OS distribution, as a tuple of version numbers. For details, see :func:`distro.version_parts`. r z(\d+)\.?(\d+)?\.?(\d+)?r6 )r6 r6 r6 )r �re�compile�match�groups)r* r Z version_strZ version_regex�matches�major�minorr r r r r q s z LinuxDistribution.version_partsc C s | � |�d S )z� Return the major version number of the current distribution. For details, see :func:`distro.major_version`. r �r �r* r r r r r � s z LinuxDistribution.major_versionc C s | � |�d S )z� Return the minor version number of the current distribution. For details, see :func:`distro.minor_version`. � rc rd r r r r � s z LinuxDistribution.minor_versionc C s | � |�d S )z} Return the build number of the current distribution. For details, see :func:`distro.build_number`. r rc rd r r r r � s z LinuxDistribution.build_numberc C s | � d�p dS )z� Return the IDs of distributions that are like the OS distribution. For details, see :func:`distro.like`. Zid_liker6 )r rE r r r r � s zLinuxDistribution.likec C s< z | j d W S ty6 | �d�p0| �d�p0d Y S 0 dS )zp Return the codename of the OS distribution. For details, see :func:`distro.codename`. r r6 N)�_os_release_info�KeyErrorr" r# rE r r r r � s ��zLinuxDistribution.codenamec C sB t | �� | �||�t | �|�| �|�| �|�d�| �� | �� d�S )z� Return certain machine-readable information about the OS distribution. For details, see :func:`distro.info`. )ra rb r )r r r r r )�dictr r r r r r r )r* r r r r r r � s ��zLinuxDistribution.infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_info`. )rf rE r r r r � s z!LinuxDistribution.os_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the OS distribution. For details, see :func:`distro.lsb_release_info`. )�_lsb_release_inforE r r r r � s z"LinuxDistribution.lsb_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_info`. )�_distro_release_inforE r r r r � s z%LinuxDistribution.distro_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the uname command data source of the OS distribution. For details, see :func:`distro.uname_info`. )� _uname_inforE r r r r � s z LinuxDistribution.uname_infoc C s | j �|d�S )z� Return a single named information item from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_attr`. r6 )rf rL �r* r! r r r r � s z!LinuxDistribution.os_release_attrc C s | j �|d�S )z� Return a single named information item from the lsb_release command output data source of the OS distribution. For details, see :func:`distro.lsb_release_attr`. r6 )ri rL rl r r r r" s z"LinuxDistribution.lsb_release_attrc C s | j �|d�S )z� Return a single named information item from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_attr`. r6 )rj rL rl r r r r# s z%LinuxDistribution.distro_release_attrc C s | j �|d�S )z� Return a single named information item from the uname command output data source of the OS distribution. For details, see :func:`distro.uname_attr`. r6 )rk rL rl r r r r$ s z LinuxDistribution.uname_attrc C sF t j�| j�rBt| j��}| �|�W d � S 1 s80 Y i S )z� Get the information items from the specified os-release file. Returns: A dictionary containing all information items. N)r9 r: rA r? �open�_parse_os_release_content)r* Z release_filer r r rf s (z"LinuxDistribution._os_release_infoc C s� i }t j | dd�}d|_tjd dkr@t|jt�r@|j�d�|_t|�}|D ]*}d|v rL|� dd�\}}|||� � < qLqLd|v r�|d |d < n^d |v r�|d |d < nHd |v r�t � d |d �}|r�|� � }|�d �}|�d�}|�� }||d < |S )aD Parse the lines of an os-release file. Parameters: * lines: Iterable through the lines in the os-release file. Each line must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. T)�posixr r z iso-8859-1�=re Zversion_codenamer Zubuntu_codenamer z(\(\D+\))|,(\s+)?\D+z()�,)�shlexZwhitespace_split�sys� version_info� isinstanceZ wordchars�bytes�decode�list�splitrJ r\ �search�group�strip) �lines�propsZlexer�tokens�token�kr[ r^ r r r r rn , s0 z+LinuxDistribution._parse_os_release_contentc C s� | j s i S ttjd��R}zd}tj||d�}W n* ttjfyX i Y W d � S 0 W d � n1 sn0 Y | �|�� � }| � |�S )z� Get the information items from the lsb_release command output. Returns: A dictionary containing all information items. �wb)Z lsb_releasez-a��stderrN) rC rm r9 �devnull� subprocess� check_output�OSErrorZCalledProcessError�_to_str� splitlines�_parse_lsb_release_content�r* r� �cmd�stdoutZcontentr r r ri n s 6z#LinuxDistribution._lsb_release_infoc C sX i }| D ]J}|� d��dd�}t|�dkr,q|\}}|�|�dd��� |� � i� q|S )aM Parse the output of the lsb_release command. Parameters: * lines: Iterable through the lines of the lsb_release output. 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Returns: A dictionary containing all information items. � �:re r rH rI )r| ry �len�updaterK rJ )r} r~ �lineZkvr� r[ r r r r� � s z,LinuxDistribution._parse_lsb_release_contentc C s� t tjd��L}zd}tj||d�}W n$ tyH i Y W d � S 0 W d � n1 s^0 Y | �|��� }| �|�S )Nr� )�unamez-rsr� ) rm r9 r� r� r� r� r� r� �_parse_uname_contentr� r r r rk � s 6z LinuxDistribution._uname_infoc C sT i }t �d| d �� �}|rP|�� \}}|dkr4i S |�� |d< ||d< ||d< |S )Nz^([^\s]+)\s+([\d\.]+)r ZLinuxr r rW )r\ rz r| r_ rJ )r} r~ r^ r r r r r r� � s z&LinuxDistribution._parse_uname_contentc C sT t �� }|dkrdn|}t jd dkr<t| t�rP| �|�S nt| t�rP| �|�S | S )N�asciizutf-8r � )rs �getfilesystemencodingrt ru rv rw Zunicode�encode)�text�encodingr r r r� � s zLinuxDistribution._to_strc C s | j rb| �| j �}tj�| j �}t�|�}d|v rLd|d �� v rLd|d< n|r^|�d�|d< |S zt� | j �}|� � W n t y� g d�}Y n0 |D ]t}|t v r�q�t�|�}|r�tj�| j |�}| �|�}d|v r�|| _ |�d�|d< d|d �� v �rd|d< | S q�i S dS )z� Get the information items from the specified distro release file. Returns: A dictionary containing all information items. r Z cloudlinuxr re )z SuSE-releasez arch-releasez base-releasezcentos-releasezfedora-releasezgentoo-releasezmageia-releasezmandrake-releasezmandriva-releasezmandrivalinux-releasezmanjaro-releasezoracle-releasezredhat-releasez sl-releasezslackware-versionN)rB �_parse_distro_release_filer9 r: �basename� _DISTRO_RELEASE_BASENAME_PATTERNr^ rJ r{ �listdirr= �sortr� � _DISTRO_RELEASE_IGNORE_BASENAMESr; )r* � distro_infor� r^ Z basenames�filepathr r r rj � s8 z&LinuxDistribution._distro_release_infoc C s\ z<t |�� }| �|�� �W d � W S 1 s00 Y W n ttfyV i Y S 0 dS )z� Parse a distro release file. Parameters: * filepath: Path name of the distro release file. Returns: A dictionary containing all information items. N)rm rY �readliner� �IOError)r* r� �fpr r r r� s 2z,LinuxDistribution._parse_distro_release_filec C s� t �| �� ddd� �}i }|r~|�d�ddd� |d< |�d�rZ|�d�ddd� |d< |�d�r�|�d�ddd� |d< n| r�| �� |d< |S ) a Parse a line from a distro release file. Parameters: * line: Line from the distro release file. Must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. N���r� r r rV re r )�(_DISTRO_RELEASE_CONTENT_REVERSED_PATTERNr^ r| r{ )r� r` r� r r r rY % s z/LinuxDistribution._parse_distro_release_content)Tr6 r6 TN)T)F)FF)F)F)F)F)FF)%r' r2 r3 r4 r, rG r r r r r r r r r r r r r r r r r" r# r$ r% rf � staticmethodrn ri r� rk r� r� rj r� rY r r r r r5 | s\ � j % A Dr5 c C s� t �t�} | �t j� | �t �tj�� t j dd�}|j ddddd� |j dd t d d d � |� � }|jrztd d |jd�}nt}|jr�| �tj|�� ddd�� n@| �d|jdd�� |jdd�}| �d|� |�� }| �d|� d S )NzOS distro info tool)rU z--jsonz-jz!Output in machine readable format� store_true)�help�actionz --root-dirz-rr8 z5Path to the root filesystem directory (defaults to /))�type�destr� F)rC rD r8 � T)�indentZ sort_keyszName: %sr z Version: %sz Codename: %s)�loggingZ getLoggerr' ZsetLevel�DEBUGZ addHandlerZ StreamHandlerrs r� �argparse�ArgumentParser� add_argument�str� parse_argsr8 r5 r �jsonr �dumpsr r r )�logger�parser�argsZdistZdistribution_versionZdistribution_codenamer r r �mainC s6 ��� r� �__main__)T)F)FF)F)F)F)F)FF)@r4 r� r� r� r9 r\ rr r� rs r � __version__�Any�Callable�Dict�Iterable�Optional�Sequence�TextIO�Tuple�Type� TypedDict�Unionr� Z VersionDictZInfoDict�environrL r< r> r@ rQ rR rS r] r� r� r� r r r r r r r r r r r r r r r r r" r# r$ � functoolsr% � ImportError�objectr5 r r� r' r r r r �<module> s� # � ��� � +P ( - - I& _vendor/__pycache__/distro.cpython-39.pyc 0000644 00000112672 15114542002 0014350 0 ustar 00 a [��f � � @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl Z dZ ej�dd�Zej�dd�Z dZ d d iZ d d d d d d �Z d d iZ e�!d�Z"e�!d�Z#ddde dddfZ$dFdd�Z%dd� Z&dGd d �Z'dHd d �Z(dId d!�Z)dJd"d#�Z*dKd$d%�Z+dLd&d'�Z,d(d)� Z-d*d+� Z.dMd,d-�Z/d.d/� Z0d0d1� Z1d2d3� Z2d4d5� Z3d6d7� Z4d8d9� Z5d:d;� Z6d<d=� Z7zdd>l8m9Z9 W n$ e:�y� G d?d@� d@e;�Z9Y n0 G dAdB� dBe;�Z<e<� Z=dCdD� Z>e?dEk�r�e>� dS )Na� The ``distro`` package (``distro`` stands for Linux Distribution) provides information about the Linux distribution it runs on, such as a reliable machine-readable distro ID, or version information. It is the recommended replacement for Python's original :py:func:`platform.linux_distribution` function, but it provides much more functionality. An alternative implementation became necessary because Python 3.5 deprecated this function, and Python 3.8 removed it altogether. Its predecessor function :py:func:`platform.dist` was already deprecated since Python 2.6 and removed in Python 3.8. Still, there are many cases in which access to OS distribution information is needed. See `Python issue 1322 <https://bugs.python.org/issue1322>`_ for more information. � Nz1.6.0Z UNIXCONFDIRz/etcZ UNIXUSRLIBDIRz/usr/libz os-releaseZolZoracleZrhel)ZenterpriseenterpriseasZenterpriseenterpriseserverZredhatenterpriseworkstationZredhatenterpriseserverZredhatenterprisecomputenodeZredhatzA(?:[^)]*\)(.*)\()? *(?:STL )?([\d.+\-a-z]*\d) *(?:esaeler *)?(.+)z(\w+)[-_](release|version)$Zdebian_versionz lsb-releasez oem-releasezsystem-releasez plesk-releaseziredmail-releaseTc C s t jdtdd� t�| �S )aG .. deprecated:: 1.6.0 :func:`distro.linux_distribution()` is deprecated. It should only be used as a compatibility shim with Python's :py:func:`platform.linux_distribution()`. Please use :func:`distro.id`, :func:`distro.version` and :func:`distro.name` instead. Return information about the current OS distribution as a tuple ``(id_name, version, codename)`` with items as follows: * ``id_name``: If *full_distribution_name* is false, the result of :func:`distro.id`. Otherwise, the result of :func:`distro.name`. * ``version``: The result of :func:`distro.version`. * ``codename``: The result of :func:`distro.codename`. The interface of this function is compatible with the original :py:func:`platform.linux_distribution` function, supporting a subset of its parameters. The data it returns may not exactly be the same, because it uses more data sources than the original function, and that may lead to different data if the OS distribution is not consistent across multiple data sources it provides (there are indeed such distributions ...). Another reason for differences is the fact that the :func:`distro.id` method normalizes the distro ID string to a reliable machine-readable value for a number of popular OS distributions. z�distro.linux_distribution() is deprecated. It should only be used as a compatibility shim with Python's platform.linux_distribution(). Please use distro.id(), distro.version() and distro.name() instead.� )� stacklevel)�warnings�warn�DeprecationWarning�_distro�linux_distribution)�full_distribution_name� r �6/usr/lib/python3.9/site-packages/pip/_vendor/distro.pyr � s !�r c C s t �� S )aD Return the distro ID of the current distribution, as a machine-readable string. For a number of OS distributions, the returned distro ID value is *reliable*, in the sense that it is documented and that it does not change across releases of the distribution. This package maintains the following reliable distro ID values: ============== ========================================= Distro ID Distribution ============== ========================================= "ubuntu" Ubuntu "debian" Debian "rhel" RedHat Enterprise Linux "centos" CentOS "fedora" Fedora "sles" SUSE Linux Enterprise Server "opensuse" openSUSE "amazon" Amazon Linux "arch" Arch Linux "cloudlinux" CloudLinux OS "exherbo" Exherbo Linux "gentoo" GenToo Linux "ibm_powerkvm" IBM PowerKVM "kvmibm" KVM for IBM z Systems "linuxmint" Linux Mint "mageia" Mageia "mandriva" Mandriva Linux "parallels" Parallels "pidora" Pidora "raspbian" Raspbian "oracle" Oracle Linux (and Oracle Enterprise Linux) "scientific" Scientific Linux "slackware" Slackware "xenserver" XenServer "openbsd" OpenBSD "netbsd" NetBSD "freebsd" FreeBSD "midnightbsd" MidnightBSD ============== ========================================= If you have a need to get distros for reliable IDs added into this set, or if you find that the :func:`distro.id` function returns a different distro ID for one of the listed distros, please create an issue in the `distro issue tracker`_. **Lookup hierarchy and transformations:** First, the ID is obtained from the following sources, in the specified order. The first available and non-empty value is used: * the value of the "ID" attribute of the os-release file, * the value of the "Distributor ID" attribute returned by the lsb_release command, * the first part of the file name of the distro release file, The so determined ID value then passes the following transformations, before it is returned by this method: * it is translated to lower case, * blanks (which should not be there anyway) are translated to underscores, * a normalization of the ID is performed, based upon `normalization tables`_. The purpose of this normalization is to ensure that the ID is as reliable as possible, even across incompatible changes in the OS distributions. A common reason for an incompatible change is the addition of an os-release file, or the addition of the lsb_release command, with ID values that differ from what was previously determined from the distro release file name. )r �idr r r r r � s Mr Fc C s t �| �S )ak Return the name of the current OS distribution, as a human-readable string. If *pretty* is false, the name is returned without version or codename. (e.g. "CentOS Linux") If *pretty* is true, the version and codename are appended. (e.g. "CentOS Linux 7.1.1503 (Core)") **Lookup hierarchy:** The name is obtained from the following sources, in the specified order. The first available and non-empty value is used: * If *pretty* is false: - the value of the "NAME" attribute of the os-release file, - the value of the "Distributor ID" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file. * If *pretty* is true: - the value of the "PRETTY_NAME" attribute of the os-release file, - the value of the "Description" attribute returned by the lsb_release command, - the value of the "<name>" field of the distro release file, appended with the value of the pretty version ("<version_id>" and "<codename>" fields) of the distro release file, if available. )r �name��prettyr r r r s %r c C s t �| |�S )av Return the version of the current OS distribution, as a human-readable string. If *pretty* is false, the version is returned without codename (e.g. "7.0"). If *pretty* is true, the codename in parenthesis is appended, if the codename is non-empty (e.g. "7.0 (Maipo)"). Some distributions provide version numbers with different precisions in the different sources of distribution information. Examining the different sources in a fixed priority order does not always yield the most precise version (e.g. for Debian 8.2, or CentOS 7.1). The *best* parameter can be used to control the approach for the returned version: If *best* is false, the first non-empty version number in priority order of the examined sources is returned. If *best* is true, the most precise version number out of all examined sources is returned. **Lookup hierarchy:** In all cases, the version number is obtained from the following sources. If *best* is false, this order represents the priority order: * the value of the "VERSION_ID" attribute of the os-release file, * the value of the "Release" attribute returned by the lsb_release command, * the version number parsed from the "<version_id>" field of the first line of the distro release file, * the version number parsed from the "PRETTY_NAME" attribute of the os-release file, if it follows the format of the distro release files. * the version number parsed from the "Description" attribute returned by the lsb_release command, if it follows the format of the distro release files. )r �version�r �bestr r r r + s *r c C s t �| �S )a� Return the version of the current OS distribution as a tuple ``(major, minor, build_number)`` with items as follows: * ``major``: The result of :func:`distro.major_version`. * ``minor``: The result of :func:`distro.minor_version`. * ``build_number``: The result of :func:`distro.build_number`. For a description of the *best* parameter, see the :func:`distro.version` method. )r � version_parts�r r r r r X s r c C s t �| �S )a5 Return the major version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The major version is the first part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � major_versionr r r r r j s r c C s t �| �S )a6 Return the minor version of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The minor version is the second part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � minor_versionr r r r r x s r c C s t �| �S )a3 Return the build number of the current OS distribution, as a string, if provided. Otherwise, the empty string is returned. The build number is the third part of the dot-separated version string. For a description of the *best* parameter, see the :func:`distro.version` method. )r � build_numberr r r r r � s r c C s t �� S )a Return a space-separated list of distro IDs of distributions that are closely related to the current OS distribution in regards to packaging and programming interfaces, for example distributions the current distribution is a derivative from. **Lookup hierarchy:** This information item is only provided by the os-release file. For details, see the description of the "ID_LIKE" attribute in the `os-release man page <http://www.freedesktop.org/software/systemd/man/os-release.html>`_. )r �liker r r r r � s r c C s t �� S )a� Return the codename for the release of the current OS distribution, as a string. If the distribution does not have a codename, an empty string is returned. Note that the returned codename is not always really a codename. For example, openSUSE returns "x86_64". This function does not handle such cases in any special way and just returns the string it finds, if any. **Lookup hierarchy:** * the codename within the "VERSION" attribute of the os-release file, if provided, * the value of the "Codename" attribute returned by the lsb_release command, * the value of the "<codename>" field of the distro release file. )r �codenamer r r r r � s r c C s t �| |�S )a� Return certain machine-readable information items about the current OS distribution in a dictionary, as shown in the following example: .. sourcecode:: python { 'id': 'rhel', 'version': '7.0', 'version_parts': { 'major': '7', 'minor': '0', 'build_number': '' }, 'like': 'fedora', 'codename': 'Maipo' } The dictionary structure and keys are always the same, regardless of which information items are available in the underlying data sources. The values for the various keys are as follows: * ``id``: The result of :func:`distro.id`. * ``version``: The result of :func:`distro.version`. * ``version_parts -> major``: The result of :func:`distro.major_version`. * ``version_parts -> minor``: The result of :func:`distro.minor_version`. * ``version_parts -> build_number``: The result of :func:`distro.build_number`. * ``like``: The result of :func:`distro.like`. * ``codename``: The result of :func:`distro.codename`. For a description of the *pretty* and *best* parameters, see the :func:`distro.version` method. )r �infor r r r r � s *r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the os-release file data source of the current OS distribution. See `os-release file`_ for details about these information items. )r �os_release_infor r r r r � s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the current OS distribution. See `lsb_release command output`_ for details about these information items. )r �lsb_release_infor r r r r � s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. See `distro release file`_ for details about these information items. )r �distro_release_infor r r r r s r c C s t �� S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the current OS distribution. )r � uname_infor r r r r s r c C s t �| �S )a� Return a single named information item from the os-release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `os-release file`_ for details about these information items. )r �os_release_attr�� attributer r r r s r c C s t �| �S )a� Return a single named information item from the lsb_release command output data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `lsb_release command output`_ for details about these information items. )r �lsb_release_attrr r r r r" + s r" c C s t �| �S )a� Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. See `distro release file`_ for details about these information items. )r �distro_release_attrr r r r r# @ s r# c C s t �| �S )aZ Return a single named information item from the distro release file data source of the current OS distribution. Parameters: * ``attribute`` (string): Key of the information item. Returns: * (string): Value of the information item, if the item exists. The empty string, if the item does not exist. )r � uname_attrr r r r r$ T s r$ )�cached_propertyc @ s e Zd ZdZdd� Zdd� ZdS )r% z�A version of @property which caches the value. On access, it calls the underlying function and sets the value in `__dict__` so future accesses will not re-call the property. c C s |j | _|| _d S )N)�__name__�_fname�_f)�self�fr r r �__init__p s zcached_property.__init__c C s2 |d usJ d� | j���| �|� }|j| j< |S )Nzcall {} on an instance)�formatr' r( �__dict__)r) �obj�owner�retr r r �__get__u s zcached_property.__get__N)r& � __module__� __qualname__�__doc__r+ r1 r r r r r% j s r% c @ s> e Zd ZdZdDdd�Zdd� ZdEd d �Zd d � ZdFdd�ZdGdd�Z dHdd�Z dIdd�Z dJdd�Z dKdd�Z dd� Zd d � ZdLd d �Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zed0d1� �Zed2d3� �Z ed4d5� �Z ed6d7� �Z ed8d9� �Z ed:d;� �Z ed<d=� �Z!ed>d?� �Z"d@dA� Z#edBdC� �Z$dS )M�LinuxDistributiona Provides information about a OS distribution. This package creates a private module-global instance of this class with default initialization arguments, that is used by the `consolidated accessor functions`_ and `single source accessor functions`_. By using default initialization arguments, that module-global instance returns data about the current OS distribution (i.e. the distro this package runs on). Normally, it is not necessary to create additional instances of this class. However, in situations where control is needed over the exact data sources that are used, instances of this class can be created with a specific distro release file, or a specific os-release file, or without invoking the lsb_release command. T� Nc C s� || _ |rtj�|d�nt| _|r0tj�|d�nt| _|rB|| _nFtj�| jt �}tj�| jt �}tj� |�sztj� |�s�|| _n|| _|p�d| _ || _ || _ dS )a� The initialization method of this class gathers information from the available data sources, and stores that in private instance attributes. Subsequent access to the information items uses these private instance attributes, so that the data sources are read only once. Parameters: * ``include_lsb`` (bool): Controls whether the `lsb_release command output`_ is included as a data source. If the lsb_release command is not available in the program execution path, the data source for the lsb_release command will be empty. * ``os_release_file`` (string): The path name of the `os-release file`_ that is to be used as a data source. An empty string (the default) will cause the default path name to be used (see `os-release file`_ for details). If the specified or defaulted os-release file does not exist, the data source for the os-release file will be empty. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is to be used as a data source. An empty string (the default) will cause a default search algorithm to be used (see `distro release file`_ for details). If the specified distro release file does not exist, or if no default distro release file can be found, the data source for the distro release file will be empty. * ``include_uname`` (bool): Controls whether uname command output is included as a data source. If the uname command is not available in the program execution path the data source for the uname command will be empty. * ``root_dir`` (string): The absolute path to the root directory to use to find distro-related information files. Public instance attributes: * ``os_release_file`` (string): The path name of the `os-release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``distro_release_file`` (string): The path name of the `distro release file`_ that is actually used as a data source. The empty string if no distro release file is used as a data source. * ``include_lsb`` (bool): The result of the ``include_lsb`` parameter. This controls whether the lsb information will be loaded. * ``include_uname`` (bool): The result of the ``include_uname`` parameter. This controls whether the uname information will be loaded. Raises: * :py:exc:`IOError`: Some I/O issue with an os-release file or distro release file. * :py:exc:`subprocess.CalledProcessError`: The lsb_release command had some issue (other than not being available in the program execution path). * :py:exc:`UnicodeError`: A data source has unexpected characters or uses an unexpected encoding. �etczusr/libr6 N)�root_dir�os�path�join� _UNIXCONFDIR�etc_dir�_UNIXUSRLIBDIRZ usr_lib_dir�os_release_file�_OS_RELEASE_BASENAME�isfile�distro_release_file� include_lsb� include_uname)r) rC r? rB rD r8 Zetc_dir_os_release_fileZusr_lib_os_release_filer r r r+ � s$ O��� zLinuxDistribution.__init__c C s dj | d�S )zReturn repr of all infoae LinuxDistribution(os_release_file={self.os_release_file!r}, distro_release_file={self.distro_release_file!r}, include_lsb={self.include_lsb!r}, include_uname={self.include_uname!r}, _os_release_info={self._os_release_info!r}, _lsb_release_info={self._lsb_release_info!r}, _distro_release_info={self._distro_release_info!r}, _uname_info={self._uname_info!r})�r) )r, rE r r r �__repr__� s ��zLinuxDistribution.__repr__c C s" |r | � � n| �� | �� | �� fS )z� Return information about the OS distribution that is compatible with Python's :func:`platform.linux_distribution`, supporting a subset of its parameters. For details, see :func:`distro.linux_distribution`. )r r r r )r) r r r r r s �z$LinuxDistribution.linux_distributionc C sl dd� }| � d�}|r ||t�S | �d�}|r8||t�S | �d�}|rP||t�S | �d�}|rh||t�S dS )zoReturn the distro ID of the OS distribution, as a string. For details, see :func:`distro.id`. c S s | � � �dd�} |�| | �S )N� �_)�lower�replace�get)� distro_id�tabler r r � normalize s z'LinuxDistribution.id.<locals>.normalizer �distributor_idr6 )r �NORMALIZED_OS_IDr" �NORMALIZED_LSB_IDr# �NORMALIZED_DISTRO_IDr$ )r) rN rL r r r r s zLinuxDistribution.idFc C s| | � d�p&| �d�p&| �d�p&| �d�}|rt| � d�p>| �d�}|st| �d�pV| �d�}| jdd�}|rt|d | }|pzdS ) zu Return the name of the OS distribution, as a string. For details, see :func:`distro.name`. r rO � pretty_name� descriptionTr rG r6 )r r" r# r$ r )r) r r r r r r r 4 s" ���� zLinuxDistribution.namec C s� | � d�| �d�| �d�| �| � d���dd�| �| �d���dd�| �d�g}d}|r�|D ]$}|�d�|�d�ks||dkr\|}q\n|D ]}|dkr�|} q�q�|r�|r�| �� r�d�|| �� �}|S )z{ Return the version of the OS distribution, as a string. For details, see :func:`distro.version`. � version_id�releaserS r6 rT �.z {0} ({1})) r r" r# � _parse_distro_release_contentrK r$ �countr r, )r) r r Zversionsr �vr r r r L s2 ���� zLinuxDistribution.versionc C sL | j |d�}|rHt�d�}|�|�}|rH|�� \}}}||p>d|pDdfS dS )z� Return the version of the OS distribution, as a tuple of version numbers. For details, see :func:`distro.version_parts`. r z(\d+)\.?(\d+)?\.?(\d+)?r6 )r6 r6 r6 )r �re�compile�match�groups)r) r Z version_strZ version_regex�matches�major�minorr r r r r q s z LinuxDistribution.version_partsc C s | � |�d S )z� Return the major version number of the current distribution. For details, see :func:`distro.major_version`. r �r �r) r r r r r � s z LinuxDistribution.major_versionc C s | � |�d S )z� Return the minor version number of the current distribution. For details, see :func:`distro.minor_version`. � rb rc r r r r � s z LinuxDistribution.minor_versionc C s | � |�d S )z} Return the build number of the current distribution. For details, see :func:`distro.build_number`. r rb rc r r r r � s z LinuxDistribution.build_numberc C s | � d�p dS )z� Return the IDs of distributions that are like the OS distribution. For details, see :func:`distro.like`. Zid_liker6 )r rE r r r r � s zLinuxDistribution.likec C s< z | j d W S ty6 | �d�p0| �d�p0d Y S 0 dS )zp Return the codename of the OS distribution. For details, see :func:`distro.codename`. r r6 N)�_os_release_info�KeyErrorr" r# rE r r r r � s ��zLinuxDistribution.codenamec C sB t | �� | �||�t | �|�| �|�| �|�d�| �� | �� d�S )z� Return certain machine-readable information about the OS distribution. For details, see :func:`distro.info`. )r` ra r )r r r r r )�dictr r r r r r r )r) r r r r r r � s ��zLinuxDistribution.infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_info`. )re rE r r r r � s z!LinuxDistribution.os_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the lsb_release command data source of the OS distribution. For details, see :func:`distro.lsb_release_info`. )�_lsb_release_inforE r r r r � s z"LinuxDistribution.lsb_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_info`. )�_distro_release_inforE r r r r � s z%LinuxDistribution.distro_release_infoc C s | j S )z� Return a dictionary containing key-value pairs for the information items from the uname command data source of the OS distribution. For details, see :func:`distro.uname_info`. )� _uname_inforE r r r r � s z LinuxDistribution.uname_infoc C s | j �|d�S )z� Return a single named information item from the os-release file data source of the OS distribution. For details, see :func:`distro.os_release_attr`. r6 )re rK �r) r! r r r r � s z!LinuxDistribution.os_release_attrc C s | j �|d�S )z� Return a single named information item from the lsb_release command output data source of the OS distribution. For details, see :func:`distro.lsb_release_attr`. r6 )rh rK rk r r r r" s z"LinuxDistribution.lsb_release_attrc C s | j �|d�S )z� Return a single named information item from the distro release file data source of the OS distribution. For details, see :func:`distro.distro_release_attr`. r6 )ri rK rk r r r r# s z%LinuxDistribution.distro_release_attrc C s | j �|d�S )z� Return a single named information item from the uname command output data source of the OS distribution. For details, see :func:`distro.uname_attr`. r6 )rj rK rk r r r r$ s z LinuxDistribution.uname_attrc C sF t j�| j�rBt| j��}| �|�W d � S 1 s80 Y i S )z� Get the information items from the specified os-release file. Returns: A dictionary containing all information items. N)r9 r: rA r? �open�_parse_os_release_content)r) Z release_filer r r re s (z"LinuxDistribution._os_release_infoc C s� i }t j | dd�}d|_tjd dkr@t|jt�r@|j�d�|_t|�}|D ]*}d|v rL|� dd�\}}|||� � < qLqLd|v r�|d |d < n^d |v r�|d |d < nHd |v r�t � d |d �}|r�|� � }|�d �}|�d�}|�� }||d < |S )aD Parse the lines of an os-release file. Parameters: * lines: Iterable through the lines in the os-release file. Each line must be a unicode string or a UTF-8 encoded byte string. Returns: A dictionary containing all information items. T)�posixr r z iso-8859-1�=rd Zversion_codenamer Zubuntu_codenamer z(\(\D+\))|,(\s+)?\D+z()�,)�shlexZwhitespace_split�sys� version_info� isinstanceZ wordchars�bytes�decode�list�splitrI r[ �search�group�strip) �lines�propsZlexer�tokens�token�krZ r] r r r r rm , s0 z+LinuxDistribution._parse_os_release_contentc C s� | j s i S ttjd��R}zd}tj||d�}W n* ttjfyX i Y W d � S 0 W d � n1 sn0 Y | �|�� � }| � |�S )z� Get the information items from the lsb_release command output. Returns: A dictionary containing all information items. �wb)Z lsb_releasez-a��stderrN) rC rl r9 �devnull� subprocess� check_output�OSErrorZCalledProcessError�_to_str� splitlines�_parse_lsb_release_content�r) r� �cmd�stdoutZcontentr r r rh n s 6z#LinuxDistribution._lsb_release_infoc C sX i }| D ]J}|� d��dd�}t|�dkr,q|\}}|�|�dd��� |� � i� q|S )aM Parse the output of the lsb_release command. Parameters: * lines: Iterable through the lines of the lsb_release output. 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Returns: A dictionary containing all information items. � �:rd r rG rH )r{ rx �len�updaterJ rI )r| r} �lineZkvr� rZ r r r r� � s z,LinuxDistribution._parse_lsb_release_contentc C s� t tjd��L}zd}tj||d�}W n$ tyH i Y W d � S 0 W d � n1 s^0 Y | �|��� }| �|�S )Nr� )�unamez-rsr� ) rl r9 r� r� r� r� r� r� �_parse_uname_contentr� r r r rj � s 6z LinuxDistribution._uname_infoc C sT i }t �d| d �� �}|rP|�� \}}|dkr4i S |�� |d< ||d< ||d< |S )Nz^([^\s]+)\s+([\d\.]+)r ZLinuxr r rV )r[ ry r{ r^ rI )r| r} r] r r r r r r� � s z&LinuxDistribution._parse_uname_contentc C sT t �� }|dkrdn|}t jd dkr<t| t�rP| �|�S nt| t�rP| �|�S | S )N�asciizutf-8r � )rr �getfilesystemencodingrs rt ru rv Zunicode�encode)�text�encodingr r r r� � s zLinuxDistribution._to_strc C s | j rb| �| j �}tj�| j �}t�|�}d|v rLd|d �� v rLd|d< n|r^|�d�|d< |S zt� | j �}|� � W n t y� g d�}Y n0 |D ]t}|t v r�q�t�|�}|r�tj�| j |�}| �|�}d|v r�|| _ |�d�|d< d|d �� v �rd|d< | S q�i S dS )z� Get the information items from the specified distro release file. 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With pyparsing, you don't need to learn a new syntax for defining grammars or matching expressions - the parsing module provides a library of classes that you use to construct the grammar directly in Python. Here is a program to parse "Hello, World!" (or any greeting of the form ``"<salutation>, <addressee>!"``), built up using :class:`Word`, :class:`Literal`, and :class:`And` elements (the :class:`'+'<ParserElement.__add__>` operators create :class:`And` expressions, and the strings are auto-converted to :class:`Literal` expressions):: from pip._vendor.pyparsing import Word, alphas # define grammar of a greeting greet = Word(alphas) + "," + Word(alphas) + "!" hello = "Hello, World!" print (hello, "->", greet.parseString(hello)) The program outputs the following:: Hello, World! -> ['Hello', ',', 'World', '!'] The Python representation of the grammar is quite readable, owing to the self-explanatory class names, and the use of '+', '|' and '^' operators. The :class:`ParseResults` object returned from :class:`ParserElement.parseString` can be accessed as a nested list, a dictionary, or an object with named attributes. The pyparsing module handles some of the problems that are typically vexing when writing text parsers: - extra or missing whitespace (the above program will also handle "Hello,World!", "Hello , World !", etc.) - quoted strings - embedded comments Getting Started - ----------------- Visit the classes :class:`ParserElement` and :class:`ParseResults` to see the base classes that most other pyparsing classes inherit from. Use the docstrings for examples of how to: - construct literal match expressions from :class:`Literal` and :class:`CaselessLiteral` classes - construct character word-group expressions using the :class:`Word` class - see how to create repetitive expressions using :class:`ZeroOrMore` and :class:`OneOrMore` classes - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`, and :class:`'&'<Each>` operators to combine simple expressions into more complex ones - associate names with your parsed results using :class:`ParserElement.setResultsName` - access the parsed data, which is returned as a :class:`ParseResults` object - find some helpful expression short-cuts like :class:`delimitedList` and :class:`oneOf` - find more useful common expressions in the :class:`pyparsing_common` namespace class z2.4.7z30 Mar 2020 00:43 UTCz*Paul McGuire <ptmcg@users.sourceforge.net>� N)�ref)�datetime)� itemgetter)�wraps)�contextmanager)� filterfalse)� ifilterfalse)�RLock)�Iterable)�MutableMapping�Mapping)� OrderedDict)�SimpleNamespacec @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �9/usr/lib/python3.9/site-packages/pip/_vendor/pyparsing.pyr � � r aA A cross-version compatibility configuration for pyparsing features that will be released in a future version. 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It then < returns the unicode object | encodes it with the default encoding | ... >. �xmlcharrefreplacez&#\d+;c S s$ dt t| d dd� ��dd � S )Nz\ur � ���)�hex�int��tr r r �<lambda>� r z_ustr.<locals>.<lambda>N) � isinstance�unicode�str�UnicodeEncodeError�encode�sys�getdefaultencodingrF �setParseAction�transformString)�obj�retZ xmlcharrefr r r �_ustr� s r� z6sum len sorted reversed list tuple set any all min maxc c s | ] }|V qd S �Nr )r �yr r r � <genexpr> r r� � c C s: d}dd� d� � D �}t||�D ]\}}| �||�} q | S )z/Escape &, <, >, ", ', etc. in a string of data.z&><"'c s s | ]}d | d V qdS )�&�;Nr )r �sr r r r� r z _xml_escape.<locals>.<genexpr>zamp gt lt quot apos)�split�zip�replace)�dataZ from_symbolsZ to_symbolsZfrom_Zto_r r r � _xml_escape s r� � 0123456789Z ABCDEFabcdef�\ � c c s | ]}|t jvr|V qd S r� )�stringZ whitespace�r �cr r r r� r c s@ |d ur |nd�|rt nt� t���t��� ��fdd��}|S )Nz failed user-defined conditionc s t �| ||��s � | |���d S r� )�bool�r� �lr� ��exc_type�fn�msgr r �pa% s z"conditionAsParseAction.<locals>.pa)r@ r> � _trim_arityr )r� �message�fatalr� r r� r r� s r� c @ sP e Zd ZdZddd�Zedd� �Zdd � Zd d � Zd d � Z ddd�Z dd� Z dS )r< z7base exception class for all parsing runtime exceptionsr Nc C s> || _ |d u r || _d| _n || _|| _|| _|||f| _d S �Nr� )�locr� �pstr� parserElement�args)�selfr� r� r� �elemr r r �__init__0 s zParseBaseException.__init__c C s | |j |j|j|j�S )z� internal factory method to simplify creating one type of ParseException from another - avoids having __init__ signature conflicts among subclasses )r� r� r� r� )�cls�per r r �_from_exception; s z"ParseBaseException._from_exceptionc C sN |dkrt | j| j�S |dv r,t| j| j�S |dkrBt| j| j�S t|��dS )z�supported attributes by name are: - lineno - returns the line number of the exception text - col - returns the column number of the exception text - line - returns the line containing the exception text rj )rY �columnrg N)rj r� r� rY rg �AttributeError)r� Zanamer r r � __getattr__C s z ParseBaseException.__getattr__c C s^ | j r@| jt| j �kr d}qDd| j | j| jd � �dd�}nd}d| j|| j| j| jf S )Nz, found end of textz , found %rr� z\\�\r� z%%s%s (at char %d), (line:%d, col:%d))r� r� �lenr� r� rj r� )r� Zfoundstrr r r �__str__R s $�zParseBaseException.__str__c C s t | �S r� �r� �r� r r r �__repr__\ s zParseBaseException.__repr__�>!<c C s< | j }| jd }|r4d�|d|� |||d� f�}|�� S )z�Extracts the exception line from the input string, and marks the location of the exception with a special symbol. r� r� N)rg r� �join�strip)r� Z markerStringZline_strZ line_columnr r r � markInputline^ s �z ParseBaseException.markInputlinec C s d� � tt| �� S )Nzlineno col line)r� �dir�typer� r r r �__dir__h s zParseBaseException.__dir__)r NN)r� ) r r r �__doc__r� � classmethodr� r� r� r� r� r� r r r r r< , s r< c @ s e Zd ZdZeddd��ZdS )r> a: Exception thrown when parse expressions don't match class; supported attributes by name are: - lineno - returns the line number of the exception text - col - returns the column number of the exception text - line - returns the line containing the exception text Example:: try: Word(nums).setName("integer").parseString("ABC") except ParseException as pe: print(pe) print("column: {}".format(pe.col)) prints:: Expected integer (at char 0), (line:1, col:1) column: 1 � c C sp ddl }|du rt�� }g }t| t�rJ|�| j� |�d| jd d � |�d�t | �j | �� |dk�rf|j | j |d�}t � }t|| d� �D ]�\}}|d }|j�dd�} t| t��r|jjd vr�q�| |v r�q�|�| � t | �} |�d �| j| j | �� nP| du�r,t | �} |�d �| j| j �� n&|j} | jd v �r@q�|�d �| j�� |d8 }|s� �qfq�d�|�S )ap Method to take an exception and translate the Python internal traceback into a list of the pyparsing expressions that caused the exception to be raised. Parameters: - exc - exception raised during parsing (need not be a ParseException, in support of Python exceptions that might be raised in a parse action) - depth (default=16) - number of levels back in the stack trace to list expression and function names; if None, the full stack trace names will be listed; if 0, only the failing input line, marker, and exception string will be shown Returns a multi-line string listing the ParserElements and/or function names in the exception's stack trace. Note: the diagnostic output will include string representations of the expressions that failed to parse. These representations will be more helpful if you use `setName` to give identifiable names to your expressions. Otherwise they will use the default string forms, which may be cryptic to read. explain() is only supported under Python 3. r N� r� �^z{0}: {1})�contextr� )� parseImpl� _parseNoCachez {0}.{1} - {2}z{0}.{1})�wrapperz<module>z{0}� )�inspectr� �getrecursionlimitr� r< �appendrg rY �formatr� r Zgetinnerframes� __traceback__�set� enumerate�f_locals�getrC �f_code�co_name�addr r� ) �exc�depthr� r� Zcallers�seen�iZffZfrmZf_selfZ self_type�coder r r �explain� sL � � zParseException.explainN)r� )r r r r� � staticmethodr� r r r r r> k s r> c @ s e Zd ZdZdS )r@ znuser-throwable exception thrown when inconsistent parse content is found; stops all parsing immediatelyN�r r r r� r r r r r@ � s r@ c @ s e Zd ZdZdS )rB z�just like :class:`ParseFatalException`, but thrown internally when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates that parsing is to stop immediately because an unbacktrackable syntax error has been found. Nr� r r r r rB � s rB c @ s e Zd ZdZdd� Zdd� ZdS )rE ziexception thrown by :class:`ParserElement.validate` if the grammar could be improperly recursive c C s || _ d S r� �ZparseElementTrace�r� �parseElementListr r r r� � s z"RecursiveGrammarException.__init__c C s d| j S )Nz RecursiveGrammarException: %sr� r� r r r r� � s z!RecursiveGrammarException.__str__N)r r r r� r� r� r r r r rE � s rE c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �_ParseResultsWithOffsetc C s ||f| _ d S r� ��tup)r� Zp1Zp2r r r r� � s z _ParseResultsWithOffset.__init__c C s | j | S r� r �r� r� r r r � __getitem__� s z#_ParseResultsWithOffset.__getitem__c C s t | jd �S �Nr )�reprr r� r r r r� � s z _ParseResultsWithOffset.__repr__c C s | j d |f| _ d S r r r r r r � setOffset� s z!_ParseResultsWithOffset.setOffsetN)r r r r� r r� r r r r r r � s r c @ s� e Zd ZdZd]dd�Zddddefdd�Zdd � Zefd d �Zd d � Z dd� Z dd� Z dd� Z e Z dd� Zdd� Zdd� Zdd� Zd d � Zer�eZeZeZn$eZeZeZd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd^d(d)�Z d*d+� Z d,d-� Z d.d/� Z d0d1� Z d2d3� Z!d4d5� Z"d6d7� Z#d8d9� Z$d:d;� Z%d<d=� Z&d_d?d@�Z'dAdB� Z(dCdD� Z)dEdF� Z*d`dHdI�Z+dJdK� Z,dLdM� Z-dadOdP�Z.dQdR� Z/dSdT� Z0dUdV� Z1dWdX� Z2dYdZ� Z3e4dbd[d\��Z5dS )crA aS Structured parse results, to provide multiple means of access to the parsed data: - as a list (``len(results)``) - by list index (``results[0], results[1]``, etc.) - by attribute (``results.<resultsName>`` - see :class:`ParserElement.setResultsName`) Example:: integer = Word(nums) date_str = (integer.setResultsName("year") + '/' + integer.setResultsName("month") + '/' + integer.setResultsName("day")) # equivalent form: # date_str = integer("year") + '/' + integer("month") + '/' + integer("day") # parseString returns a ParseResults object result = date_str.parseString("1999/12/31") def test(s, fn=repr): print("%s -> %s" % (s, fn(eval(s)))) test("list(result)") test("result[0]") test("result['month']") test("result.day") test("'month' in result") test("'minutes' in result") test("result.dump()", str) prints:: list(result) -> ['1999', '/', '12', '/', '31'] result[0] -> '1999' result['month'] -> '12' result.day -> '31' 'month' in result -> True 'minutes' in result -> False result.dump() -> ['1999', '/', '12', '/', '31'] - day: 31 - month: 12 - year: 1999 NTc C s" t || �r|S t�| �}d|_|S r )r� �object�__new__�_ParseResults__doinit)r� �toklist�name�asList�modalZretobjr r r r ! s zParseResults.__new__c C sb | j rvd| _ d | _d | _i | _|| _|| _|d u r6g }||t�rP|d d � | _n ||t�rft|�| _n|g| _t � | _ |d u�r^|�r^|s�d| j|< ||t �r�t |�}|| _||t d �ttf�r�|d dg fv �s^||t�r�|g}|�r*||t��rtt|j�d�| |< ntt|d �d�| |< || | _n4z|d | |< W n" tttf�y\ || |< Y n0 d S )NFr r� )r �_ParseResults__name�_ParseResults__parent�_ParseResults__accumNames�_ParseResults__asList�_ParseResults__modal�list�_ParseResults__toklist�_generatorType�dict�_ParseResults__tokdictr� r� r� � basestringrA r �KeyError� TypeError� IndexError)r� r r r r r� r r r r� * sB $ zParseResults.__init__c C sP t |ttf�r| j| S || jvr4| j| d d S tdd� | j| D ��S d S )Nr� r c S s g | ] }|d �qS �r r �r �vr r r r X r z,ParseResults.__getitem__.<locals>.<listcomp>)r� r� �slicer r r rA r r r r r Q s zParseResults.__getitem__c C s� ||t �r0| j�|t� �|g | j|< |d }nD||ttf�rN|| j|< |}n&| j�|t� �t |d�g | j|< |}||t�r�t| �|_ d S r ) r r r� r r� r! r rA �wkrefr )r� �kr r� �subr r r � __setitem__Z s " zParseResults.__setitem__c C s� t |ttf�r�t| j�}| j|= t |t�rH|dk r:||7 }t||d �}tt|�|�� �}|�� | j � � D ]>\}}|D ]0}t |�D ]"\}\}} t || | |k �||< q�qxqln| j |= d S �Nr r� ) r� r� r! r� r r �range�indices�reverser �itemsr� r ) r� r� ZmylenZremovedr � occurrences�jr# �value�positionr r r � __delitem__g s zParseResults.__delitem__c C s || j v S r� )r )r� r# r r r � __contains__| s zParseResults.__contains__c C s t | j�S r� )r� r r� r r r �__len__ s zParseResults.__len__c C s | j S r� �r r� r r r �__bool__� s zParseResults.__bool__c C s t | j�S r� ��iterr r� r r r �__iter__� s zParseResults.__iter__c C s t | jd d d� �S �Nr� r4 r� r r r � __reversed__� s zParseResults.__reversed__c C s$ t | jd�r| j�� S t| j�S d S )N�iterkeys)�hasattrr r9 r5 r� r r r � _iterkeys� s zParseResults._iterkeysc s � fdd�� � � D �S )Nc 3 s | ]}� | V qd S r� r �r r# r� r r r� � r z+ParseResults._itervalues.<locals>.<genexpr>�r; r� r r� r � _itervalues� s zParseResults._itervaluesc s � fdd�� � � D �S )Nc 3 s | ]}|� | fV qd S r� r r< r� r r r� � r z*ParseResults._iteritems.<locals>.<genexpr>r= r� r r� r � _iteritems� s zParseResults._iteritemsc C s t | �� �S )zVReturns all named result keys (as a list in Python 2.x, as an iterator in Python 3.x).)r r9 r� r r r �keys� s zParseResults.keysc C s t | �� �S )zXReturns all named result values (as a list in Python 2.x, as an iterator in Python 3.x).)r � itervaluesr� r r r �values� s zParseResults.valuesc C s t | �� �S )zfReturns all named result key-values (as a list of tuples in Python 2.x, as an iterator in Python 3.x).)r � iteritemsr� r r r r* � s zParseResults.itemsc C s t | j�S )z�Since keys() returns an iterator, this method is helpful in bypassing code that looks for the existence of any defined results names.)r� r r� r r r �haskeys� s zParseResults.haskeysc O s� |s dg}|� � D ]*\}}|dkr0|d |f}qtd| ��qt|d t�sdt|�dksd|d | v r~|d }| | }| |= |S |d }|S dS )a� Removes and returns item at specified index (default= ``last``). Supports both ``list`` and ``dict`` semantics for ``pop()``. If passed no argument or an integer argument, it will use ``list`` semantics and pop tokens from the list of parsed tokens. If passed a non-integer argument (most likely a string), it will use ``dict`` semantics and pop the corresponding value from any defined results names. A second default return value argument is supported, just as in ``dict.pop()``. Example:: def remove_first(tokens): tokens.pop(0) print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] print(OneOrMore(Word(nums)).addParseAction(remove_first).parseString("0 123 321")) # -> ['123', '321'] label = Word(alphas) patt = label("LABEL") + OneOrMore(Word(nums)) print(patt.parseString("AAB 123 321").dump()) # Use pop() in a parse action to remove named result (note that corresponding value is not # removed from list form of results) def remove_LABEL(tokens): tokens.pop("LABEL") return tokens patt.addParseAction(remove_LABEL) print(patt.parseString("AAB 123 321").dump()) prints:: ['AAB', '123', '321'] - LABEL: AAB ['AAB', '123', '321'] r� �defaultr z-pop() got an unexpected keyword argument '%s'r� N)r* r r� r� r� )r� r� �kwargsr# r �indexr� Z defaultvaluer r r �pop� s" % � �zParseResults.popc C s || v r| | S |S dS )a[ Returns named result matching the given key, or if there is no such name, then returns the given ``defaultValue`` or ``None`` if no ``defaultValue`` is specified. Similar to ``dict.get()``. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString("1999/12/31") print(result.get("year")) # -> '1999' print(result.get("hour", "not specified")) # -> 'not specified' print(result.get("hour")) # -> None Nr )r� �key� defaultValuer r r r� � s zParseResults.getc C sR | j �||� | j�� D ]4\}}t|�D ]"\}\}}t||||k �||< q(qdS )a Inserts new element at location index in the list of parsed tokens. Similar to ``list.insert()``. Example:: print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] # use a parse action to insert the parse location in the front of the parsed results def insert_locn(locn, tokens): tokens.insert(0, locn) print(OneOrMore(Word(nums)).addParseAction(insert_locn).parseString("0 123 321")) # -> [0, '0', '123', '321'] N)r �insertr r* r� r )r� rG ZinsStrr r+ r# r- r. r r r rK s zParseResults.insertc C s | j �|� dS )a� Add single element to end of ParseResults list of elements. Example:: print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] # use a parse action to compute the sum of the parsed integers, and add it to the end def append_sum(tokens): tokens.append(sum(map(int, tokens))) print(OneOrMore(Word(nums)).addParseAction(append_sum).parseString("0 123 321")) # -> ['0', '123', '321', 444] N)r r� )r� �itemr r r r� s zParseResults.appendc C s& t |t�r| �|� n | j�|� dS )a Add sequence of elements to end of ParseResults list of elements. Example:: patt = OneOrMore(Word(alphas)) # use a parse action to append the reverse of the matched strings, to make a palindrome def make_palindrome(tokens): tokens.extend(reversed([t[::-1] for t in tokens])) return ''.join(tokens) print(patt.addParseAction(make_palindrome).parseString("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl' N)r� rA �__iadd__r �extend)r� Zitemseqr r r rN / s zParseResults.extendc C s | j dd�= | j�� dS )z7 Clear all elements and results names. N)r r �clearr� r r r rO B s zParseResults.clearc C s$ z | | W S t y Y dS 0 d S r� )r �r� r r r r r� I s zParseResults.__getattr__c C s | � � }||7 }|S r� ��copy)r� �otherr� r r r �__add__O s zParseResults.__add__c s� |j rjt| j���fdd�� |j �� }� fdd�|D �}|D ],\}}|| |< t|d t�r<t| �|d _q<| j|j7 _| j� |j� | S )Nc s | dk r � S | � S r r )�a)�offsetr r r� W r z'ParseResults.__iadd__.<locals>.<lambda>c s4 g | ],\}}|D ] }|t |d � |d ��f�qqS �r r� )r �r r# �vlistr )� addoffsetr r r Y s �z)ParseResults.__iadd__.<locals>.<listcomp>r ) r r� r r* r� rA r" r r �update)r� rS Z otheritemsZotherdictitemsr# r r )rZ rV r rM T s � zParseResults.__iadd__c C s& t |t�r|dkr| �� S || S d S r )r� r� rR �r� rS r r r �__radd__d s zParseResults.__radd__c C s dt | j�t | j�f S )Nz(%s, %s))r r r r� r r r r� l s zParseResults.__repr__c C s dd� dd� | jD �� d S )N�[�, c s s( | ] }t |t�rt|�nt|�V qd S r� )r� rA r� r �r r� r r r r� p r z'ParseResults.__str__.<locals>.<genexpr>�])r� r r� r r r r� o s zParseResults.__str__r� c C sL g }| j D ]<}|r |r |�|� t|t�r8||�� 7 }q |�t|�� q |S r� )r r� r� rA � _asStringListr� )r� �sep�outrL r r r rb r s zParseResults._asStringListc C s dd� | j D �S )ax Returns the parse results as a nested list of matching tokens, all converted to strings. Example:: patt = OneOrMore(Word(alphas)) result = patt.parseString("sldkj lsdkj sldkj") # even though the result prints in string-like form, it is actually a pyparsing ParseResults print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj'] # Use asList() to create an actual list result_list = result.asList() print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj'] c S s" g | ]}t |t�r|�� n|�qS r )r� rA r )r �resr r r r � r z'ParseResults.asList.<locals>.<listcomp>r2 r� r r r r } s zParseResults.asListc s6 t r | j}n| j}� fdd�� t� fdd�|� D ��S )a� Returns the named parse results as a nested dictionary. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString('12/31/1999') print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]}) result_dict = result.asDict() print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'} # even though a ParseResults supports dict-like access, sometime you just need to have a dict import json print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable print(json.dumps(result.asDict())) # -> {"month": "31", "day": "1999", "year": "12"} c s6 t | t�r.| �� r| �� S � fdd�| D �S n| S d S )Nc s g | ] }� |��qS r r r ��toItemr r r � r z7ParseResults.asDict.<locals>.toItem.<locals>.<listcomp>)r� rA rD �asDict�r� rf r r rg � s z#ParseResults.asDict.<locals>.toItemc 3 s | ]\}}|� |�fV qd S r� r �r r# r rf r r r� � r z&ParseResults.asDict.<locals>.<genexpr>)�PY_3r* rC r )r� Zitem_fnr rf r rh � s zParseResults.asDictc C s< t | j�}t| j�� �|_| j|_|j�| j� | j|_|S )zG Returns a new copy of a :class:`ParseResults` object. ) rA r r r r* r r r[ r �r� r� r r r rR � s zParseResults.copyFc C sL d}g }t dd� | j�� D ��}|d }|s8d}d}d}d} |durJ|} n | jrV| j} | sf|rbdS d} |||d| d g7 }t| j�D ]�\} } t| t�r�| |v r�|| �|| |o�|du ||�g7 }n || �d|o�|du ||�g7 }q�d} | |v r�|| } | �s|�rq�nd} t t | ��} |||d| d | d | d g 7 }q�|||d | d g7 }d� |�S ) z� (Deprecated) Returns the parse results as XML. Tags are created for tokens and lists that have defined results names. r� c s s( | ] \}}|D ]}|d |fV qqdS �r� Nr rX r r r r� � s �z%ParseResults.asXML.<locals>.<genexpr>� r� NZITEM�<�>�</) r r r* r r� r r� rA �asXMLr� r� r� )r� ZdoctagZnamedItemsOnly�indent� formatted�nlrd Z namedItemsZnextLevelIndentZselfTagr� re ZresTagZ xmlBodyTextr r r rr � sZ � � �zParseResults.asXMLc C s: | j �� D ]*\}}|D ] \}}||u r| S qq d S r� )r r* )r� r$ r# rY r r� r r r Z__lookup� s zParseResults.__lookupc C s� | j r | j S | jr.| �� }|r(|�| �S dS nNt| �dkrxt| j�dkrxtt| j�� ��d d dv rxtt| j�� ��S dS dS )a Returns the results name for this token expression. Useful when several different expressions might match at a particular location. Example:: integer = Word(nums) ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d") house_number_expr = Suppress('#') + Word(nums, alphanums) user_data = (Group(house_number_expr)("house_number") | Group(ssn_expr)("ssn") | Group(integer)("age")) user_info = OneOrMore(user_data) result = user_info.parseString("22 111-22-3333 #221B") for item in result: print(item.getName(), ':', item[0]) prints:: age : 22 ssn : 111-22-3333 house_number : 221B Nr� r )r r� ) r r �_ParseResults__lookupr� r �nextr5 rB r@ )r� �parr r r �getName s � �zParseResults.getNamer c C sv g }d}|r$|� |t| �� � � n |� d� |�rl| �� r�tdd� | �� D ��}|D ]x\}} |rl|� |� |� d|d| |f � t| t�r�| r�|� | j||||d d�� q�|� t| �� qV|� t | �� qVn�t d d� | D ���rl| } t | �D ]x\} } t| t��r@|� d |d| | |d|d | j||||d d�f � q�|� d |d| | |d|d t| �f � q�d� |�S ) aF Diagnostic method for listing out the contents of a :class:`ParseResults`. Accepts an optional ``indent`` argument so that this string can be embedded in a nested display of other data. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString('12/31/1999') print(result.dump()) prints:: ['12', '/', '31', '/', '1999'] - day: 1999 - month: 31 - year: 12 r� r� c s s | ]\}}t |�|fV qd S r� )r� rj r r r r� G r z$ParseResults.dump.<locals>.<genexpr>z %s%s- %s: rn r� )rs �full� include_list�_depthc s s | ]}t |t�V qd S r� )r� rA )r �vvr r r r� S r z %s%s[%d]: %s%s%s) r� r� r rD �sortedr* r� rA �dumpr �anyr� r� ) r� rs rz r{ r| rd �NLr* r# r r� r} r r r r ) sP �� � zParseResults.dumpc O s t j | �� g|�R i |�� dS )a# Pretty-printer for parsed results as a list, using the `pprint <https://docs.python.org/3/library/pprint.html>`_ module. Accepts additional positional or keyword args as defined for `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ . Example:: ident = Word(alphas, alphanums) num = Word(nums) func = Forward() term = ident | num | Group('(' + func + ')') func <<= ident + Group(Optional(delimitedList(term))) result = func.parseString("fna a,b,(fnb c,d,200),100") result.pprint(width=40) prints:: ['fna', ['a', 'b', ['(', 'fnb', ['c', 'd', '200'], ')'], '100']] N)�pprintr �r� r� rF r r r r� j s zParseResults.pprintc C s. | j | j�� | jd ur | �� p d | j| jffS r� )r r rR r r r r� r r r � __getstate__� s ��zParseResults.__getstate__c C sN |d | _ |d \| _}}| _i | _| j�|� |d urDt|�| _nd | _d S r& )r r r r r[ r" r )r� �staterx Z inAccumNamesr r r � __setstate__� s zParseResults.__setstate__c C s | j | j| j| jfS r� )r r r r r� r r r �__getnewargs__� s zParseResults.__getnewargs__c C s t t| ��t| �� � S r� )r� r� r r@ r� r r r r� � s zParseResults.__dir__c C sr dd� }| g �}|� � D ]>\}}t|t�r>|| j||d�7 }q|| |g|||�d�7 }q|durn| |g|d�}|S )z� Helper classmethod to construct a ParseResults from a dict, preserving the name-value relations as results names. If an optional 'name' argument is given, a nested ParseResults will be returned c S sF z t | � W n ty Y dS 0 tr6t| ttf� S t| t� S d S �NF)r5 � Exceptionrk r� r� �bytesr ri r r r � is_iterable� s z+ParseResults.from_dict.<locals>.is_iterable�r )r r N)r* r� r � from_dict)r� rS r r� r� r# r r r r r� � s zParseResults.from_dict)NNTT)N)r� )NFr� T)r� TTr )N)6r r r r� r r� r� r r% r/ r0 r1 r3 � __nonzero__r6 r8 r; r> r? rk r@ rB r* r9 rA rC rD rH r� rK r� rN rO r� rT rM r] r� r� rb r rh rR rr rv ry r r� r� r� r� r� r� r� r r r r rA � sl * ' 7 $ =( A rA c C sF |}d| k r t |�k r4n n|| d dkr4dS | |�dd| � S )a� Returns current column within a string, counting newlines as line separators. The first column is number 1. Note: the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`ParserElement.parseString` for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. r r� r� )r� �rfind)r� �strgr� r r r rY � s rY c C s |� dd| �d S )a� Returns current line number within a string, counting newlines as line separators. The first line is number 1. Note - the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`ParserElement.parseString` for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. r� r r� )�count)r� r� r r r rj � s rj c C sF |� dd| �}|�d| �}|dkr2||d |� S ||d d� S dS )zfReturns the line of text containing loc within a string, counting newlines as line separators. r� r r� N)r� �find)r� r� ZlastCRZnextCRr r r rg � s rg c C s8 t dt|� d t|� dt|| �t|| �f � d S )NzMatch z at loc z(%d,%d))�printr� rj rY )�instringr� �exprr r r �_defaultStartDebugAction� s r� c C s$ t dt|� d t|�� � � d S )NzMatched z -> )r� r� r� r )r� �startlocZendlocr� �toksr r r �_defaultSuccessDebugAction� s r� c C s t dt|� � d S )NzException raised:)r� r� )r� r� r� r� r r r � _defaultExceptionDebugAction� s r� c G s dS )zG'Do-nothing' debug action, to suppress debugging output during parsing.Nr )r� r r r rq � s rq r� c s� �t v r�fdd�S dg�dg�td d� dkrFddd�}dd d �� n tj}tj� d }|dd �d }|d |d | f�� �����fdd�}d}zt�dt�d�j�}W n ty� t��}Y n0 ||_|S )Nc s � |�S r� r r� )�funcr r r� r z _trim_arity.<locals>.<lambda>r Fr� )r� � c S s8 t dkr dnd}tj| | d d�| }|d d� gS )N)r� r� r ������r� ��limitr� )�system_version� traceback� extract_stack)r� rV � frame_summaryr r r r� s z"_trim_arity.<locals>.extract_stackc S s$ t j| |d�}|d }|d d� gS )Nr� r� r� )r� � extract_tb)�tbr� Zframesr� r r r r� s z _trim_arity.<locals>.extract_tb� r� r� r� c s� z"�| �d d � � }d�d< |W S t y� �d r<� nfzHt�� d }� |dd�d d d� �ksh� W z~W q� ty� Y q�0 n z~W n ty� Y n0 0 �d �krd d7 < Y q � Y q 0 q d S )Nr Tr� r� r� r� )r r� �exc_info� NameError)r� r� r� �r� Z foundArityr� r� �maxargsZpa_call_line_synthr r r� ! s. � z _trim_arity.<locals>.wrapperz<parse action>r � __class__)r )r ) �singleArgBuiltinsr� r� r� r� �getattrr r� r� )r� r� r� Z LINE_DIFFZ this_liner� � func_namer r� r r� s, � r� c @ s� e Zd ZdZdZdZedd� �Zedd� �Ze dd � �Z d�d d �Z d d � Z dd� Z d�dd�Zd�dd�Zd�dd�Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd�d#d$�Zd%d&� Zd�d'd(�Zd)d*� Zd+d,� ZG d-d.� d.e �Z e d/u� r�G d0d1� d1e �Z nG d2d1� d1e �Z i Z e!� Z"d3d3gZ#d�d4d5�Z$eZ%ed6d7� �Z&dZ'ed�d9d:��Z(d�d;d<�Z)e*dfd=d>�Z+d?d@� Z,e*fdAdB�Z-e*dfdCdD�Z.dEdF� Z/dGdH� Z0dIdJ� Z1dKdL� Z2dMdN� Z3dOdP� Z4dQdR� Z5dSdT� Z6dUdV� Z7dWdX� Z8dYdZ� Z9d[d\� Z:d]d^� Z;d_d`� Z<dadb� Z=d�dcdd�Z>dedf� Z?dgdh� Z@didj� ZAdkdl� ZBdmdn� ZCdodp� ZDd�dqdr�ZEdsdt� ZFdudv� ZGdwdx� ZHdydz� ZId�d{d|�ZJd�d}d~�ZKdd�� ZLd�d�� ZMd�d�� ZNd�d�� ZOd�d�� ZPd�d�d��ZQd�d�d��ZRd/S )�rC z)Abstract base level parser element class.z Fc C s | t _dS )a� Overrides the default whitespace chars Example:: # default whitespace chars are space, <TAB> and newline OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def', 'ghi', 'jkl'] # change to just treat newline as significant ParserElement.setDefaultWhitespaceChars(" \t") OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def'] N)rC �DEFAULT_WHITE_CHARS��charsr r r �setDefaultWhitespaceCharsL s z'ParserElement.setDefaultWhitespaceCharsc C s | t _dS )ah Set class to be used for inclusion of string literals into a parser. Example:: # default literal class used is Literal integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] # change to Suppress ParserElement.inlineLiteralsUsing(Suppress) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") date_str.parseString("1999/12/31") # -> ['1999', '12', '31'] N)rC �_literalStringClass�r� r r r �inlineLiteralsUsing\ s z!ParserElement.inlineLiteralsUsingc C s |j r|j }q |S r� )�tb_next)r� r� r r r �_trim_tracebackr s z ParserElement._trim_tracebackc C s� t � | _d | _d | _d | _|| _d| _ttj �| _ d| _ d| _ d| _ t � | _d| _d| _d| _d| _d| _d| _d | _d| _d| _d S )NTFr� )NNN)r � parseAction� failAction�strRepr� resultsName� saveAsList�skipWhitespacer� rC r� � whiteChars�copyDefaultWhiteChars�mayReturnEmpty�keepTabs� ignoreExprs�debug� streamlined� mayIndexError�errmsg� modalResults� debugActionsr� � callPreparse� callDuringTry)r� �savelistr r r r� x s( zParserElement.__init__c C s< t � | �}| jdd� |_| jdd� |_| jr8tj|_|S )a/ Make a copy of this :class:`ParserElement`. Useful for defining different parse actions for the same parsing pattern, using copies of the original parse element. Example:: integer = Word(nums).setParseAction(lambda toks: int(toks[0])) integerK = integer.copy().addParseAction(lambda toks: toks[0] * 1024) + Suppress("K") integerM = integer.copy().addParseAction(lambda toks: toks[0] * 1024 * 1024) + Suppress("M") print(OneOrMore(integerK | integerM | integer).parseString("5K 100 640K 256M")) prints:: [5120, 100, 655360, 268435456] Equivalent form of ``expr.copy()`` is just ``expr()``:: integerM = integer().addParseAction(lambda toks: toks[0] * 1024 * 1024) + Suppress("M") N)rR r� r� r� rC r� r� )r� Zcpyr r r rR � s zParserElement.copyc C s$ || _ d| j | _tjr | �� | S )a_ Define name for this expression, makes debugging and exception messages clearer. Example:: Word(nums).parseString("ABC") # -> Exception: Expected W:(0123...) (at char 0), (line:1, col:1) Word(nums).setName("integer").parseString("ABC") # -> Exception: Expected integer (at char 0), (line:1, col:1) � Expected )r r� r �!enable_debug_on_named_expressions�setDebugrP r r r �setName� s zParserElement.setNamec C s | � ||�S )aO Define name for referencing matching tokens as a nested attribute of the returned parse results. NOTE: this returns a *copy* of the original :class:`ParserElement` object; this is so that the client can define a basic element, such as an integer, and reference it in multiple places with different names. You can also set results names using the abbreviated syntax, ``expr("name")`` in place of ``expr.setResultsName("name")`` - see :class:`__call__`. Example:: date_str = (integer.setResultsName("year") + '/' + integer.setResultsName("month") + '/' + integer.setResultsName("day")) # equivalent form: date_str = integer("year") + '/' + integer("month") + '/' + integer("day") )�_setResultsName�r� r �listAllMatchesr r r �setResultsName� s z ParserElement.setResultsNamec C s4 | � � }|�d�r"|d d� }d}||_| |_|S )N�*r� T)rR �endswithr� r� )r� r r� Znewselfr r r r� � s z ParserElement._setResultsNameTc s@ |r&| j � d� fdd� }� |_|| _ nt| j d�r<| j j| _ | S )z�Method to invoke the Python pdb debugger when this element is about to be parsed. Set ``breakFlag`` to True to enable, False to disable. Tc s dd l }|�� � | |||�S r )�pdbZ set_trace)r� r� � doActions� callPreParser� �Z _parseMethodr r �breaker� s z'ParserElement.setBreak.<locals>.breaker�_originalParseMethod)TT)�_parser� r: )r� Z breakFlagr� r r� r �setBreak� s zParserElement.setBreakc O sV t |�dgkrg | _n<tdd� |D ��s0td��t ttt |���| _|�dd�| _| S )a� Define one or more actions to perform when successfully matching parse element definition. Parse action fn is a callable method with 0-3 arguments, called as ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where: - s = the original string being parsed (see note below) - loc = the location of the matching substring - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object If the functions in fns modify the tokens, they can return them as the return value from fn, and the modified list of tokens will replace the original. Otherwise, fn does not need to return any value. If None is passed as the parse action, all previously added parse actions for this expression are cleared. Optional keyword arguments: - callDuringTry = (default= ``False``) indicate if parse action should be run during lookaheads and alternate testing Note: the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`parseString for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. Example:: integer = Word(nums) date_str = integer + '/' + integer + '/' + integer date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] # use parse action to convert to ints at parse time integer = Word(nums).setParseAction(lambda toks: int(toks[0])) date_str = integer + '/' + integer + '/' + integer # note that integer fields are now ints, not strings date_str.parseString("1999/12/31") # -> [1999, '/', 12, '/', 31] Nc s s | ]}t |�V qd S r� )�callable)r r� r r r r� r z/ParserElement.setParseAction.<locals>.<genexpr>z parse actions must be callabler� F)r r� �allr �mapr� r� r� �r� �fnsrF r r r r� � s (z ParserElement.setParseActionc O s4 | j tttt|���7 _ | jp,|�dd�| _| S )z� Add one or more parse actions to expression's list of parse actions. See :class:`setParseAction`. See examples in :class:`copy`. r� F)r� r r� r� r� r� r� r r r �addParseAction s z ParserElement.addParseActionc O sF |D ](}| j �t||�d�|�dd�d�� q| jp>|�dd�| _| S )a� Add a boolean predicate function to expression's list of parse actions. See :class:`setParseAction` for function call signatures. Unlike ``setParseAction``, functions passed to ``addCondition`` need to return boolean success/fail of the condition. Optional keyword arguments: - message = define a custom message to be used in the raised exception - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise ParseException Example:: integer = Word(nums).setParseAction(lambda toks: int(toks[0])) year_int = integer.copy() year_int.addCondition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later") date_str = year_int + '/' + integer + '/' + integer result = date_str.parseString("1999/12/31") # -> Exception: Only support years 2000 and later (at char 0), (line:1, col:1) r� r� F)r� r� r� )r� r� r� r� r� )r� r� rF r� r r r � addCondition) s � zParserElement.addConditionc C s || _ | S )a Define action to perform if parsing fails at this expression. Fail acton fn is a callable function that takes the arguments ``fn(s, loc, expr, err)`` where: - s = string being parsed - loc = location where expression match was attempted and failed - expr = the parse expression that failed - err = the exception thrown The function returns no value. It may throw :class:`ParseFatalException` if it is desired to stop parsing immediately.)r� �r� r� r r r � setFailActionB s zParserElement.setFailActionc C sL d}|rHd}| j D ]2}z|�||�\}}d}qW q tyB Y q0 qq|S �NTF)r� r� r> )r� r� r� Z exprsFound�eZdummyr r r �_skipIgnorablesO s z ParserElement._skipIgnorablesc C sH | j r| �||�}| jrD| j}t|�}||k rD|| |v rD|d7 }q&|S �Nr� )r� r� r� r� r� )r� r� r� Zwt�instrlenr r r �preParse\ s zParserElement.preParsec C s |g fS r� r �r� r� r� r� r r r r� h s zParserElement.parseImplc C s |S r� r �r� r� r� � tokenlistr r r � postParsek s zParserElement.postParsec C s� d\}}}| j }|s | j�r"| j| r8| j| ||| � z�|rR| jrR| �||�} n|} | } | jsl| t|�kr�z| �|| |�\}} W q� ty� t |t|�| j | ��Y q�0 n| �|| |�\}} W n^ t �y } zD| j| r�| j| || | | � | j�r| �|| | | � � W Y d } ~ n d } ~ 0 0 n�|�r>| j�r>| �||�} n|} | } | j�s\| t|�k�r�z| �|| |�\}} W n( t�y� t |t|�| j | ��Y n0 n| �|| |�\}} | � ||| �} t | | j| j| jd�} | j�rd|�s�| j�rd|�r�z�| jD ]�}z||| | �} W n8 t�yD } z t d�}||_|�W Y d }~n d }~0 0 | d u�r�| | u�r�t | | j| j�ovt| t tf�| jd�} �q�W nH t �y� } z.| j| �r�| j| || | | � � W Y d } ~ n d } ~ 0 0 n�| jD ]�}z||| | �} W n8 t�y$ } z t d�}||_|�W Y d }~n d }~0 0 | d u�r�| | u�r�t | | j| j�oVt| t tf�| jd�} �q�|�r�| j| �r�| j| || || | � || fS )N)r r� r� )r r z exception raised in parse action)r� r� r� r� r� r� r� r� r r> r� r� r� rA r� r� r� r� r� � __cause__r� r )r� r� r� r� r� ZTRYZMATCHZFAILZ debugging�prelocZ tokensStart�tokens�errZ retTokensr� Zparse_action_excr� r r r r� o s� � � zParserElement._parseNoCachec C s> z| j ||dd�d W S ty8 t||| j| ��Y n0 d S )NF�r� r )r� r@ r> r� �r� r� r� r r r �tryParse� s zParserElement.tryParsec C s2 z| � ||� W n ttfy( Y dS 0 dS d S )NFT)r� r> r r� r r r � canParseNext� s zParserElement.canParseNextc @ s e Zd Zdd� ZdS )z ParserElement._UnboundedCachec s~ i � t � | _�� �fdd�}� fdd�}� fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _d S ) Nc s � � |��S r� �r� �r� rI ��cache� not_in_cacher r r� � s z3ParserElement._UnboundedCache.__init__.<locals>.getc s |� |< d S r� r �r� rI r- �r� r r r� � s z3ParserElement._UnboundedCache.__init__.<locals>.setc s � � � d S r� �rO r� r r r rO � s z5ParserElement._UnboundedCache.__init__.<locals>.clearc s t � �S r� �r� r� r r r � cache_len� s z9ParserElement._UnboundedCache.__init__.<locals>.cache_len)r r� �types� MethodTyper� r� rO r1 )r� r� r� rO r r r� r r� � s z&ParserElement._UnboundedCache.__init__N�r r r r� r r r r �_UnboundedCache� s r Nc @ s e Zd Zdd� ZdS )�ParserElement._FifoCachec s� t � | _�t� � � �fdd�}� �fdd�}� fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _d S ) Nc s � � |��S r� r� r� r� r r r� � s �.ParserElement._FifoCache.__init__.<locals>.getc s< |� |< t � ��kr8z� �d� W q ty4 Y q0 qd S r� )r� �popitemr r� )r� �sizer r r� � s �.ParserElement._FifoCache.__init__.<locals>.setc s � � � d S r� r r� r r r rO � s �0ParserElement._FifoCache.__init__.<locals>.clearc s t � �S r� r r� r r r r � s �4ParserElement._FifoCache.__init__.<locals>.cache_len) r r� � _OrderedDictr r r� r� rO r1 �r� r r� r� rO r r )r� r� r r r� � s �!ParserElement._FifoCache.__init__Nr r r r r � _FifoCache� s r c @ s e Zd Zdd� ZdS )r c s� t � | _�i � t�g ���� �fdd�}� ��fdd�}� �fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _ d S ) Nc s � � |��S r� r� r� r� r r r� s r c s4 |� |< t ���kr&� ���� d � q��|� d S r� )r� rH �popleftr� r� )r� �key_fifor r r r� s r c s � � � �� � d S r� r r� )r� r r r rO s r c s t � �S r� r r� r r r r s r ) r r� � collections�dequer r r� r� rO r1 r r )r� r r� r r r� s r Nr r r r r r s r c C s0 d\}}| ||||f}t j�� t j}|�|�} | |ju r�t j| d7 < z| �||||�} W n: ty� } z"|�|| j | j � � � W Y d } ~ n8d } ~ 0 0 |�|| d | d � � f� | W d � S nBt j| d7 < t | t �r�| �| d | d � � fW d � S W d � n1 �s"0 Y d S )NrW r� r )rC �packrat_cache_lock� packrat_cacher� r� �packrat_cache_statsr� r< r� r� r� rR r� r� ) r� r� r� r� r� ZHITZMISS�lookupr� r- r� r r r � _parseCache+ s$ zParserElement._parseCachec C s( t j�� dgtt j� t jd d �< d S r )rC r rO r� r r r r r � resetCacheD s zParserElement.resetCache� c C s8 t js4dt _| du r t �� t _n t �| �t _t jt _dS )a� Enables "packrat" parsing, which adds memoizing to the parsing logic. Repeated parse attempts at the same string location (which happens often in many complex grammars) can immediately return a cached value, instead of re-executing parsing/validating code. Memoizing is done of both valid results and parsing exceptions. Parameters: - cache_size_limit - (default= ``128``) - if an integer value is provided will limit the size of the packrat cache; if None is passed, then the cache size will be unbounded; if 0 is passed, the cache will be effectively disabled. This speedup may break existing programs that use parse actions that have side-effects. For this reason, packrat parsing is disabled when you first import pyparsing. To activate the packrat feature, your program must call the class method :class:`ParserElement.enablePackrat`. For best results, call ``enablePackrat()`` immediately after importing pyparsing. Example:: from pip._vendor import pyparsing pyparsing.ParserElement.enablePackrat() TN)rC �_packratEnabledr r r r r� )Zcache_size_limitr r r � enablePackratJ s zParserElement.enablePackratc C s� t �� | js| �� | jD ] }|�� q | js8|�� }z<| �|d�\}}|rr| �||�}t � t � }|�||� W nP t y� } z8t j r�� n"t |dd�dur�| �|j�|_|�W Y d}~nd}~0 0 |S dS )a� Execute the parse expression with the given string. This is the main interface to the client code, once the complete expression has been built. Returns the parsed data as a :class:`ParseResults` object, which may be accessed as a list, or as a dict or object with attributes if the given parser includes results names. If you want the grammar to require that the entire input string be successfully parsed, then set ``parseAll`` to True (equivalent to ending the grammar with ``StringEnd()``). Note: ``parseString`` implicitly calls ``expandtabs()`` on the input string, in order to report proper column numbers in parse actions. If the input string contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string being parsed, you can ensure you have a consistent view of the input string by: - calling ``parseWithTabs`` on your grammar before calling ``parseString`` (see :class:`parseWithTabs`) - define your parse action using the full ``(s, loc, toks)`` signature, and reference the input string using the parse action's ``s`` argument - explictly expand the tabs in your input string before calling ``parseString`` Example:: Word('a').parseString('aaaaabaaa') # -> ['aaaaa'] Word('a').parseString('aaaaabaaa', parseAll=True) # -> Exception: Expected end of text r r� N)rC r r� � streamliner� r� � expandtabsr� r� r+ rH r< �verbose_stacktracer� r� r� )r� r� �parseAllr� r� r� Zser� r r r � parseStringm s( ! zParserElement.parseStringc c sV | j s| �� | jD ] }|�� q| js4t|��� }t|�}d}| j}| j}t � � d} z�||kr�| |k r�z |||�} ||| dd�\} } W n t y� | d }Y qZ0 | |kr�| d7 } | | | fV |r�|||�} | |kr�| }q�|d7 }q�| }qZ| d }qZW nV t �yP } z<t j �r� n$t|dd�du�r8| �|j�|_|�W Y d}~n d}~0 0 dS )aq Scan the input string for expression matches. Each match will return the matching tokens, start location, and end location. May be called with optional ``maxMatches`` argument, to clip scanning after 'n' matches are found. If ``overlap`` is specified, then overlapping matches will be reported. Note that the start and end locations are reported relative to the string being parsed. See :class:`parseString` for more information on parsing strings with embedded tabs. Example:: source = "sldjf123lsdjjkf345sldkjf879lkjsfd987" print(source) for tokens, start, end in Word(alphas).scanString(source): print(' '*start + '^'*(end-start)) print(' '*start + tokens[0]) prints:: sldjf123lsdjjkf345sldkjf879lkjsfd987 ^^^^^ sldjf ^^^^^^^ lsdjjkf ^^^^^^ sldkjf ^^^^^^ lkjsfd r F�r� r� r� N)r� r r� r� r� r! r� r� r� rC r r> r< r" r� r� r� )r� r� � maxMatchesZoverlapr� r� r� Z preparseFnZparseFn�matchesr� ZnextLocr� Znextlocr� r r r � scanString� sF zParserElement.scanStringc C s g }d}d| _ z�| �|�D ]Z\}}}|�|||� � |rpt|t�rR||�� 7 }n t|t�rf||7 }n |�|� |}q|�||d� � dd� |D �}d�tt t |���W S t y� } z8t j rĂ n"t|dd�dur�| �|j�|_|�W Y d}~n d}~0 0 dS )a[ Extension to :class:`scanString`, to modify matching text with modified tokens that may be returned from a parse action. To use ``transformString``, define a grammar and attach a parse action to it that modifies the returned token list. Invoking ``transformString()`` on a target string will then scan for matches, and replace the matched text patterns according to the logic in the parse action. ``transformString()`` returns the resulting transformed string. Example:: wd = Word(alphas) wd.setParseAction(lambda toks: toks[0].title()) print(wd.transformString("now is the winter of our discontent made glorious summer by this sun of york.")) prints:: Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York. r TNc S s g | ] }|r|�qS r r �r �or r r r r z1ParserElement.transformString.<locals>.<listcomp>r� r� )r� r( r� r� rA r r r� r� r� �_flattenr< rC r" r� r� r� )r� r� rd ZlastEr� r� r� r� r r r r� � s, z ParserElement.transformStringc C sr z t dd� | �||�D ��W S tyl } z8tjr6� n"t|dd�durT| �|j�|_|�W Y d}~n d}~0 0 dS )a� Another extension to :class:`scanString`, simplifying the access to the tokens found to match the given parse expression. May be called with optional ``maxMatches`` argument, to clip searching after 'n' matches are found. Example:: # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters cap_word = Word(alphas.upper(), alphas.lower()) print(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity")) # the sum() builtin can be used to merge results into a single ParseResults object print(sum(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity"))) prints:: [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']] ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity'] c S s g | ]\}}}|�qS r r )r r� r� r� r r r r 7 r z.ParserElement.searchString.<locals>.<listcomp>r� N)rA r( r< rC r" r� r� r� )r� r� r& r� r r r � searchString! s zParserElement.searchStringc c sT d}d}| j ||d�D ]*\}}}|||� V |r<|d V |}q||d� V dS )aR Generator method to split a string using the given expression as a separator. May be called with optional ``maxsplit`` argument, to limit the number of splits; and the optional ``includeSeparators`` argument (default= ``False``), if the separating matching text should be included in the split results. Example:: punc = oneOf(list(".,;:/-!?")) print(list(punc.split("This, this?, this sentence, is badly punctuated!"))) prints:: ['This', ' this', '', ' this sentence', ' is badly punctuated', ''] r )r& N)r( ) r� r� �maxsplitZincludeSeparatorsZsplitsZlastr� r� r� r r r r� A s zParserElement.splitc C sV |t u rt| �S t|t�r$| �|�}t|t�sJtjdt|� t dd� dS t | |g�S )a[ Implementation of + operator - returns :class:`And`. Adding strings to a ParserElement converts them to :class:`Literal`s by default. Example:: greet = Word(alphas) + "," + Word(alphas) + "!" hello = "Hello, World!" print (hello, "->", greet.parseString(hello)) prints:: Hello, World! -> ['Hello', ',', 'World', '!'] ``...`` may be used as a parse expression as a short form of :class:`SkipTo`. Literal('start') + ... + Literal('end') is equivalent to: Literal('start') + SkipTo('end')("_skipped*") + Literal('end') Note that the skipped text is returned with '_skipped' as a results name, and to support having multiple skips in the same parser, the value returned is a list of all skipped text. �4Cannot combine element of type %s with ParserElementr� �� stacklevelN) �Ellipsis� _PendingSkipr� r r� rC �warnings�warnr� � SyntaxWarningr$ r\ r r r rT Z s �zParserElement.__add__c C sZ |t u rt| �d�| S t|t�r,| �|�}t|t�sRtjdt|� t dd� dS || S )z` Implementation of + operator when left operand is not a :class:`ParserElement` � _skipped*r. r� r/ N) r1 rG r� r r� rC r3 r4 r� r5 r\ r r r r] � s �zParserElement.__radd__c C sJ t |t�r| �|�}t |t�s:tjdt|� tdd� dS | t� � | S )zT Implementation of - operator, returns :class:`And` with error stop r. r� r/ N) r� r r� rC r3 r4 r� r5 r$ � _ErrorStopr\ r r r �__sub__� s �zParserElement.__sub__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || S )z` Implementation of - operator when left operand is not a :class:`ParserElement` r. r� r/ N�r� r r� rC r3 r4 r� r5 r\ r r r �__rsub__� s �zParserElement.__rsub__c s |t u rd}n8t|t�rF|dd� t fkrFd|dd� d dd� }t|t�r\|d }}n�t|t��rJtdd � |D ��}|d dd� }|d du r�d|d f}t|d t�r�|d du r�|d dkr�t��S |d dkr�t��S �|d t�� S nNt|d t��r,t|d t��r,|\}}||8 }n td t|d �t|d ���ntd t|���|dk �rjtd ��|dk �r|td��|| k�r�dk�r�n ntd��|�r� �fdd�� |�r�|dk�r҈� |� }nt �g| �� |� }n� |�}n |dk�r�}nt �g| �}|S )a� Implementation of * operator, allows use of ``expr * 3`` in place of ``expr + expr + expr``. Expressions may also me multiplied by a 2-integer tuple, similar to ``{min, max}`` multipliers in regular expressions. Tuples may also include ``None`` as in: - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent to ``expr*n + ZeroOrMore(expr)`` (read as "at least n instances of ``expr``") - ``expr*(None, n)`` is equivalent to ``expr*(0, n)`` (read as "0 to n instances of ``expr``") - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)`` - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)`` Note that ``expr*(None, n)`` does not raise an exception if more than n exprs exist in the input stream; that is, ``expr*(None, n)`` does not enforce a maximum number of expr occurrences. If this behavior is desired, then write ``expr*(None, n) + ~expr`` )r NNr� r r� r� r c s s | ]}|t ur|nd V qd S r� )r1 r) r r r r� � r z(ParserElement.__mul__.<locals>.<genexpr>�NNz8cannot multiply 'ParserElement' and ('%s', '%s') objectsz0cannot multiply 'ParserElement' and '%s' objectsz/cannot multiply ParserElement by negative valuez@second tuple value must be greater or equal to first tuple valuez,cannot multiply ParserElement by 0 or (0, 0)c s( | dkr t �� | d � �S t ��S d S r� )r: ��n��makeOptionalListr� r r r? � s z/ParserElement.__mul__.<locals>.makeOptionalList) r1 r� �tupler� rQ r8 r r� � ValueErrorr$ )r� rS Z minElementsZ optElementsr� r r> r �__mul__� sN zParserElement.__mul__c C s | � |�S r� )rB r\ r r r �__rmul__� s zParserElement.__rmul__c C sZ |t u rt| dd�S t|t�r(| �|�}t|t�sNtjdt|� t dd� dS t | |g�S )zL Implementation of | operator - returns :class:`MatchFirst` T)� must_skipr. r� r/ N) r1 r2 r� r r� rC r3 r4 r� r5 r5 r\ r r r �__or__� s �zParserElement.__or__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || B S )z` Implementation of | operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__ror__ s �zParserElement.__ror__c C sF t |t�r| �|�}t |t�s:tjdt|� tdd� dS t| |g�S )zD Implementation of ^ operator - returns :class:`Or` r. r� r/ N) r� r r� rC r3 r4 r� r5 r; r\ r r r �__xor__ s �zParserElement.__xor__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || A S )z` Implementation of ^ operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__rxor__ s �zParserElement.__rxor__c C sF t |t�r| �|�}t |t�s:tjdt|� tdd� dS t| |g�S )zF Implementation of & operator - returns :class:`Each` r. r� r/ N) r� r r� rC r3 r4 r� r5 r* r\ r r r �__and__' s �zParserElement.__and__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || @ S )z` Implementation of & operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__rand__3 s �zParserElement.__rand__c C s t | �S )zH Implementation of ~ operator - returns :class:`NotAny` )r7 r� r r r � __invert__? s zParserElement.__invert__c C s t d| jj ��d S )Nz%r object is not iterable)r r� r r� r r r r6 E s zParserElement.__iter__c C s� z t |t�r|f}t|� W n ty6 ||f}Y n0 t|�dkrxt�d�|dd� t|�dkrpd�t|��nd�� | t|dd� � }|S )a� use ``[]`` indexing notation as a short form for expression repetition: - ``expr[n]`` is equivalent to ``expr*n`` - ``expr[m, n]`` is equivalent to ``expr*(m, n)`` - ``expr[n, ...]`` or ``expr[n,]`` is equivalent to ``expr*n + ZeroOrMore(expr)`` (read as "at least n instances of ``expr``") - ``expr[..., n]`` is equivalent to ``expr*(0, n)`` (read as "0 to n instances of ``expr``") - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)`` - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)`` ``None`` may be used in place of ``...``. Note that ``expr[..., n]`` and ``expr[m, n]``do not raise an exception if more than ``n`` ``expr``s exist in the input stream. If this behavior is desired, then write ``expr[..., n] + ~expr``. r� z.only 1 or 2 index arguments supported ({0}{1})Nr� z ... [{0}]r� ) r� r� r5 r r� r3 r4 r� r@ )r� rI r� r r r r J s ��zParserElement.__getitem__c C s |dur| � |�S | �� S dS )a� Shortcut for :class:`setResultsName`, with ``listAllMatches=False``. If ``name`` is given with a trailing ``'*'`` character, then ``listAllMatches`` will be passed as ``True``. If ``name` is omitted, same as calling :class:`copy`. Example:: # these are equivalent userdata = Word(alphas).setResultsName("name") + Word(nums + "-").setResultsName("socsecno") userdata = Word(alphas)("name") + Word(nums + "-")("socsecno") N)r� rR rP r r r �__call__n s zParserElement.__call__c C s t | �S )z� Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from cluttering up returned output. )rJ r� r r r �suppress� s zParserElement.suppressc C s d| _ | S )a Disables the skipping of whitespace before matching the characters in the :class:`ParserElement`'s defined pattern. This is normally only used internally by the pyparsing module, but may be needed in some whitespace-sensitive grammars. F�r� r� r r r �leaveWhitespace� s z ParserElement.leaveWhitespacec C s d| _ || _d| _| S )z8 Overrides the default whitespace chars TF)r� r� r� )r� r� r r r �setWhitespaceChars� s z ParserElement.setWhitespaceCharsc C s d| _ | S )z� Overrides default behavior to expand ``<TAB>``s to spaces before parsing the input string. Must be called before ``parseString`` when the input grammar contains elements that match ``<TAB>`` characters. T)r� r� r r r � parseWithTabs� s zParserElement.parseWithTabsc C sL t |t�rt|�}t |t�r4|| jvrH| j�|� n| j�t|�� �� | S )a� Define expression to be ignored (e.g., comments) while doing pattern matching; may be called repeatedly, to define multiple comment or other ignorable patterns. Example:: patt = OneOrMore(Word(alphas)) patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj'] patt.ignore(cStyleComment) patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj', 'lskjd'] )r� r rJ r� r� rR r\ r r r �ignore� s zParserElement.ignorec C s" |pt |p t|ptf| _d| _| S )zT Enable display of debugging messages while doing pattern matching. T)r� r� r� r� r� )r� Z startActionZ successActionZexceptionActionr r r �setDebugActions� s �z ParserElement.setDebugActionsc C s |r| � ttt� nd| _| S )a� Enable display of debugging messages while doing pattern matching. Set ``flag`` to True to enable, False to disable. Example:: wd = Word(alphas).setName("alphaword") integer = Word(nums).setName("numword") term = wd | integer # turn on debugging for wd wd.setDebug() OneOrMore(term).parseString("abc 123 xyz 890") prints:: Match alphaword at loc 0(1,1) Matched alphaword -> ['abc'] Match alphaword at loc 3(1,4) Exception raised:Expected alphaword (at char 4), (line:1, col:5) Match alphaword at loc 7(1,8) Matched alphaword -> ['xyz'] Match alphaword at loc 11(1,12) Exception raised:Expected alphaword (at char 12), (line:1, col:13) Match alphaword at loc 15(1,16) Exception raised:Expected alphaword (at char 15), (line:1, col:16) The output shown is that produced by the default debug actions - custom debug actions can be specified using :class:`setDebugActions`. Prior to attempting to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"`` is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"`` message is shown. Also note the use of :class:`setName` to assign a human-readable name to the expression, which makes debugging and exception messages easier to understand - for instance, the default name created for the :class:`Word` expression without calling ``setName`` is ``"W:(ABCD...)"``. F)rS r� r� r� r� )r� �flagr r r r� � s %zParserElement.setDebugc C s | j S r� r� r� r r r r� � s zParserElement.__str__c C s t | �S r� r� r� r r r r� � s zParserElement.__repr__c C s d| _ d | _| S r )r� r� r� r r r r � s zParserElement.streamlinec C s d S r� r r� r r r �checkRecursion� s z ParserElement.checkRecursionc C s | � g � dS )zj Check defined expressions for valid structure, check for infinite recursive definitions. N)rU )r� � validateTracer r r �validate� s zParserElement.validatec C s� z |� � }W nD tyP t|d��}|� � }W d � n1 sB0 Y Y n0 z| �||�W S ty� } z8tjrz� n"t|dd�dur�| �|j �|_ |�W Y d}~n d}~0 0 dS )z� Execute the parse expression on the given file or filename. If a filename is specified (instead of a file object), the entire file is opened, read, and closed before parsing. �rNr� ) �readr� �openr$ r< rC r" r� r� r� )r� Zfile_or_filenamer# Z file_contents�fr� r r r � parseFile s ,zParserElement.parseFilec C s> | |u r dS t |t�r | �|�S t |t�r:t| �t|�kS dS r� )r� r r' rC �varsr\ r r r �__eq__ s zParserElement.__eq__c C s | |k S r� r r\ r r r �__ne__$ s zParserElement.__ne__c C s t | �S r� )�idr� r r r �__hash__' s zParserElement.__hash__c C s | |kS r� r r\ r r r �__req__* s zParserElement.__req__c C s | |k S r� r r\ r r r �__rne__- s zParserElement.__rne__c C s2 z| j t|�|d� W dS ty, Y dS 0 dS )a� Method for quick testing of a parser against a test string. Good for simple inline microtests of sub expressions while building up larger parser. Parameters: - testString - to test against this expression for a match - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests Example:: expr = Word(nums) assert expr.matches("100") �r# TFN)r$ r� r< )r� Z testStringr# r r r r' 0 s zParserElement.matches�#c C s� t |t�r"tttj|�� �� ��}t |t�r4t|�}|du rBt j }|j } g } g } d} td�� t d���t�} d}|D �]p}|dur�|�|d�s�| r�|s�| �|� qt|s�qt| r�dd�| � nd|g}g } z"| �|�|��}| j||d�}W n� t�y� } z�t |t��r d nd}d|v �rN|�t|j|�� |�d t|j|�d d | � n|�d |j d | � |�d t|� � | �o�|} |}W Y d}~�n d}~0 t�y� } z,|�dt|� � | �o�|} |}W Y d}~n�d}~0 0 | �o�| } |du�r�zR|||�}|du�r:t |t ��r*|�|� � � n|�t|�� n|�|� � � W nT t�y� } z:|�|j |d�� |�d� |j t |�j |�� W Y d}~n d}~0 0 n|�|j |d�� |�r�|�r�|�d� | d�|�� | �||f� qt| | fS )as Execute the parse expression on a series of test strings, showing each test, the parsed results or where the parse failed. Quick and easy way to run a parse expression against a list of sample strings. Parameters: - tests - a list of separate test strings, or a multiline string of test strings - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests - comment - (default= ``'#'``) - expression for indicating embedded comments in the test string; pass None to disable comment filtering - fullDump - (default= ``True``) - dump results as list followed by results names in nested outline; if False, only dump nested list - printResults - (default= ``True``) prints test output to stdout - failureTests - (default= ``False``) indicates if these tests are expected to fail parsing - postParse - (default= ``None``) optional callback for successful parse results; called as `fn(test_string, parse_results)` and returns a string to be added to the test output - file - (default=``None``) optional file-like object to which test output will be written; if None, will default to ``sys.stdout`` Returns: a (success, results) tuple, where success indicates that all tests succeeded (or failed if ``failureTests`` is True), and the results contain a list of lines of each test's output Example:: number_expr = pyparsing_common.number.copy() result = number_expr.runTests(''' # unsigned integer 100 # negative integer -100 # float with scientific notation 6.02e23 # integer with scientific notation 1e-12 ''') print("Success" if result[0] else "Failed!") result = number_expr.runTests(''' # stray character 100Z # missing leading digit before '.' -.100 # too many '.' 3.14.159 ''', failureTests=True) print("Success" if result[0] else "Failed!") prints:: # unsigned integer 100 [100] # negative integer -100 [-100] # float with scientific notation 6.02e23 [6.02e+23] # integer with scientific notation 1e-12 [1e-12] Success # stray character 100Z ^ FAIL: Expected end of text (at char 3), (line:1, col:4) # missing leading digit before '.' -.100 ^ FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1) # too many '.' 3.14.159 ^ FAIL: Expected end of text (at char 4), (line:1, col:5) Success Each test string must be on a single line. If you want to test a string that spans multiple lines, create a test like this:: expr.runTest(r"this is a test\n of strings that spans \n 3 lines") (Note that this is a raw string literal, you must include the leading 'r'.) NT�\nr� u Fr� rd z(FATAL)r� r� r� zFAIL: zFAIL-EXCEPTION: )rz z{0} failed: {1}: {2})!r� r r r� r� r� �rstrip� splitlinesr3 r� �stdout�writer� r| rR ry r' r� r� r� �lstripr$ r< r@ rg r� rY r� rA r r� r r� )r� Ztestsr# ZcommentZfullDumpZ printResultsZ failureTestsr� �file�print_Z allResultsZcomments�successr� �BOMr� rd �resultr� r� r� Zpp_valuer� r r r �runTestsD sn ` $ 4 zParserElement.runTests)F)F)F)T)T)TT)TT)r )F)N)T)N)F)T)Tre TTFNN)Sr r r r� r� r" r� r� r� r� r� r� rR r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r r r r� r r r r$ �_MAX_INTr( r� r, r� rT r] r8 r: rB rC rE rF rG rH rI rJ rK r6 r rL rM rO rP rQ rR rS r� r� r� r rU rW r\ r^ r_ ra rb rc r' rq r r r r rC G s� 1 W " :J0 & J $ + �rC c s6 e Zd Zd � fdd� Zdd� Zdd� Zdd � Z� ZS ) r2 Fc s> t t| ��� t|t� ��dd�| _| j| _|| _|| _ d S )Nr+ �...) �superr2 r� r� r+ r� r� r �anchorrD )r� r� rD �r� r r r� � s z_PendingSkip.__init__c s\ t |��d�d�}� jrNdd� }� fdd�}� j|� �|� |� �|�B | S � j| | S )Nrs r6 c S s, | j r| j �� dgkr(| d= | �dd � d S )Nr� r �_skipped)rw r rH r� r r r rD � s z'_PendingSkip.__add__.<locals>.must_skipc s< | j �� dd � dgkr8| �d�}dt� j� d | d< d S )Nr� r� rw z missing <rp )rw r rH r ru )r� Zskippedr� r r � show_skip� s z'_PendingSkip.__add__.<locals>.show_skip)rG r� rD ru r� )r� rS ZskipperrD rx r r� r rT � s ��z_PendingSkip.__add__c C s | j S r� )r� r� r r r r� s z_PendingSkip.__repr__c G s t d��d S )NzBuse of `...` expression without following SkipTo target expression)r� �r� r� r r r r� s z_PendingSkip.parseImpl)F)r r r r� rT r� r� � __classcell__r r rv r r2 � s r2 c s e Zd ZdZ� fdd�Z� ZS )rK zYAbstract :class:`ParserElement` subclass, for defining atomic matching patterns. c s t t| �jdd� d S �NF�r� )rt rK r� r� rv r r r� s zToken.__init__�r r r r� r� rz r r rv r rK s rK c s e Zd ZdZ� fdd�Z� ZS )r+ z'An empty token, will always match. c s$ t t| ��� d| _d| _d| _d S )Nr+ TF)rt r+ r� r r� r� r� rv r r r� s zEmpty.__init__r} r r rv r r+ s r+ c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r6 z#A token that will never match. c s* t t| ��� d| _d| _d| _d| _d S )Nr6 TFzUnmatchable token)rt r6 r� r r� r� r� r� rv r r r� s zNoMatch.__init__Tc C s t ||| j| ��d S r� )r> r� r� r r r r� $ s zNoMatch.parseImpl)T�r r r r� r� r� rz r r rv r r6 s r6 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r3 a� Token to exactly match a specified string. Example:: Literal('blah').parseString('blah') # -> ['blah'] Literal('blah').parseString('blahfooblah') # -> ['blah'] Literal('blah').parseString('bla') # -> Exception: Expected "blah" For case-insensitive matching, use :class:`CaselessLiteral`. For keyword matching (force word break before and after the matched string), use :class:`Keyword` or :class:`CaselessKeyword`. c s� t t| ��� || _t|�| _z|d | _W n( tyT tj dt dd� t | _ Y n0 dt | j� | _d| j | _d| _d| _| jdkr�t| �tu r�t| _ d S ) Nr z2null string passed to Literal; use Empty() insteadr� r/ �"%s"r� Fr� )rt r3 r� �matchr� �matchLen�firstMatchCharr r3 r4 r5 r+ r� r� r r� r� r� r� �_SingleCharLiteral�r� � matchStringrv r r r� 6 s � zLiteral.__init__Tc C s@ || | j kr,|�| j|�r,|| j | jfS t||| j| ��d S r� )r� r r� r� r> r� r� r r r r� J s zLiteral.parseImpl)Tr~ r r rv r r3 ( s r3 c @ s e Zd Zddd�ZdS )r� Tc C s0 || | j kr |d | jfS t||| j| ��d S r� )r� r� r> r� r� r r r r� P s z _SingleCharLiteral.parseImplN)T�r r r r� r r r r r� O s r� c sL e Zd ZdZed Zd� fdd� Zddd �Z� fd d �Ze d d � �Z � Z S )r0 a� Token to exactly match a specified string as a keyword, that is, it must be immediately followed by a non-keyword character. Compare with :class:`Literal`: - ``Literal("if")`` will match the leading ``'if'`` in ``'ifAndOnlyIf'``. - ``Keyword("if")`` will not; it will only match the leading ``'if'`` in ``'if x=1'``, or ``'if(y==2)'`` Accepts two optional constructor arguments in addition to the keyword string: - ``identChars`` is a string of characters that would be valid identifier characters, defaulting to all alphanumerics + "_" and "$" - ``caseless`` allows case-insensitive matching, default is ``False``. Example:: Keyword("start").parseString("start") # -> ['start'] Keyword("start").parseString("starting") # -> Exception For case-insensitive matching, use :class:`CaselessKeyword`. �_$NFc s� t t| ��� |d u r tj}|| _t|�| _z|d | _W n" ty\ t j dt dd� Y n0 d| j | _ d| j | _ d| _d| _|| _|r�|�� | _|�� }t|�| _d S )Nr z2null string passed to Keyword; use Empty() insteadr� r/ r r� F)rt r0 r� �DEFAULT_KEYWORD_CHARSr� r� r� r� r r3 r4 r5 r r� r� r� �caseless�upper� caselessmatchr� � identChars)r� r� r� r� rv r r r� s s( � zKeyword.__init__Tc C s | j r||||| j � �� | jkr�|t|�| j ksL||| j �� | jvr�|dksj||d �� | jvr�|| j | jfS nv|| | jkr�| jdks�|�| j|�r�|t|�| j ks�||| j | jvr�|dks�||d | jvr�|| j | jfS t ||| j | ��d S r& ) r� r� r� r� r� r� r� r� r r> r� r� r r r r� � s. ��������zKeyword.parseImplc s t t| ��� }tj|_|S r� )rt r0 rR r� r� )r� r� rv r r rR � s z Keyword.copyc C s | t _dS )z,Overrides the default Keyword chars N)r0 r� r� r r r �setDefaultKeywordChars� s z Keyword.setDefaultKeywordChars)NF)T) r r r r� rS r� r� r� rR r� r� rz r r rv r r0 X s r0 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r& af Token to match a specified string, ignoring case of letters. Note: the matched results will always be in the case of the given match string, NOT the case of the input text. Example:: OneOrMore(CaselessLiteral("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD', 'CMD'] (Contrast with example for :class:`CaselessKeyword`.) c s6 t t| ��|�� � || _d| j | _d| j | _d S )Nz'%s'r� )rt r& r� r� � returnStringr r� r� rv r r r� � s zCaselessLiteral.__init__Tc C s@ |||| j � �� | jkr,|| j | jfS t||| j| ��d S r� )r� r� r� r� r> r� r� r r r r� � s zCaselessLiteral.parseImpl)Tr~ r r rv r r& � s r& c s" e Zd ZdZd� fdd� Z� ZS )r% z� Caseless version of :class:`Keyword`. Example:: OneOrMore(CaselessKeyword("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD'] (Contrast with example for :class:`CaselessLiteral`.) Nc s t t| �j||dd� d S )NT�r� )rt r% r� )r� r� r� rv r r r� � s zCaselessKeyword.__init__)Nr} r r rv r r% � s r% c s, e Zd ZdZd� fdd� Zd dd�Z� ZS ) r� a� A variation on :class:`Literal` which matches "close" matches, that is, strings with at most 'n' mismatching characters. :class:`CloseMatch` takes parameters: - ``match_string`` - string to be matched - ``maxMismatches`` - (``default=1``) maximum number of mismatches allowed to count as a match The results from a successful parse will contain the matched text from the input string and the following named results: - ``mismatches`` - a list of the positions within the match_string where mismatches were found - ``original`` - the original match_string used to compare against the input string If ``mismatches`` is an empty list, then the match was an exact match. Example:: patt = CloseMatch("ATCATCGAATGGA") patt.parseString("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']}) patt.parseString("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1) # exact match patt.parseString("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']}) # close match allowing up to 2 mismatches patt = CloseMatch("ATCATCGAATGGA", maxMismatches=2) patt.parseString("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']}) r� c sB t t| ��� || _|| _|| _d| j| jf | _d| _d| _d S )Nz&Expected %r (with up to %d mismatches)F) rt r� r� r � match_string� maxMismatchesr� r� r� )r� r� r� rv r r r� � s zCloseMatch.__init__Tc C s� |}t |�}|t | j� }||kr�| j}d}g } | j} tt|||� |��D ]2\}} | \} } | | krL| �|� t | �| krL q�qL|d }t|||� g�}||d< | |d< ||fS t||| j| ��d S )Nr r� �original� mismatches) r� r� r� r� r� r� rA r> r� )r� r� r� r� �startr� �maxlocr� Zmatch_stringlocr� r� Zs_m�src�mat�resultsr r r r� � s( zCloseMatch.parseImpl)r� )Tr~ r r rv r r� � s r� c s8 e Zd ZdZd � fdd� Zdd d �Z� fd d �Z� ZS )rN aX Token for matching words composed of allowed character sets. Defined with string containing all allowed initial characters, an optional string containing allowed body characters (if omitted, defaults to the initial character set), and an optional minimum, maximum, and/or exact length. The default value for ``min`` is 1 (a minimum value < 1 is not valid); the default values for ``max`` and ``exact`` are 0, meaning no maximum or exact length restriction. An optional ``excludeChars`` parameter can list characters that might be found in the input ``bodyChars`` string; useful to define a word of all printables except for one or two characters, for instance. :class:`srange` is useful for defining custom character set strings for defining ``Word`` expressions, using range notation from regular expression character sets. A common mistake is to use :class:`Word` to match a specific literal string, as in ``Word("Address")``. Remember that :class:`Word` uses the string argument to define *sets* of matchable characters. This expression would match "Add", "AAA", "dAred", or any other word made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an exact literal string, use :class:`Literal` or :class:`Keyword`. pyparsing includes helper strings for building Words: - :class:`alphas` - :class:`nums` - :class:`alphanums` - :class:`hexnums` - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255 - accented, tilded, umlauted, etc.) - :class:`punc8bit` (non-alphabetic characters in ASCII range 128-255 - currency, symbols, superscripts, diacriticals, etc.) - :class:`printables` (any non-whitespace character) Example:: # a word composed of digits integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9")) # a word with a leading capital, and zero or more lowercase capital_word = Word(alphas.upper(), alphas.lower()) # hostnames are alphanumeric, with leading alpha, and '-' hostname = Word(alphas, alphanums + '-') # roman numeral (not a strict parser, accepts invalid mix of characters) roman = Word("IVXLCDM") # any string of non-whitespace characters, except for ',' csv_value = Word(printables, excludeChars=",") Nr� r Fc s� t t| ��� � rNt� �� d�� fdd�|D ��}|rNd�� fdd�|D ��}|| _t|�| _|rt|| _t|�| _n|| _t|�| _|dk| _ |dk r�t d��|| _ |dkr�|| _ nt | _ |dkr�|| _ || _ t| �| _d| j | _d | _|| _d | j| j v�r�|dk�r�|dk�r�|dk�r�| j| jk�r@d t| j� | _nHt| j�dk�rnd t�| j�t| j�f | _nd t| j�t| j�f | _| j�r�d| j d | _zt�| j�| _W n t�y� d | _Y n0 | jj| _t | _ d S )Nr� c 3 s | ]}|� vr|V qd S r� r r� �� excludeCharsr r r� H r z Word.__init__.<locals>.<genexpr>c 3 s | ]}|� vr|V qd S r� r r� r� r r r� J r r r� zZcannot specify a minimum length < 1; use Optional(Word()) if zero-length word is permittedr� Fr� z[%s]+z%s[%s]*z [%s][%s]*z\b) rt rN r� r� r� � initCharsOrig� initChars� bodyCharsOrig� bodyChars� maxSpecifiedrA �minLen�maxLenrr r� r r� r� � asKeyword�_escapeRegexRangeChars�reStringr� r� �escape�compiler� r� �re_match� _WordRegexr� )r� r� r� �min�max�exactr� r� rv r� r r� D sZ 0 � � z Word.__init__Tc C s� || | j vr t||| j| ��|}|d7 }t|�}| j}|| j }t||�}||k rj|| |v rj|d7 }qLd}|| | jk r�d}nV| jr�||k r�|| |v r�d}n6| j r�|dkr�||d |v s�||k r�|| |v r�d}|r�t||| j| ��||||� fS )Nr� FTr ) r� r> r� r� r� r� r� r� r� r� ) r� r� r� r� r� r� Z bodycharsr� ZthrowExceptionr r r r� } s2 � �zWord.parseImplc st zt t| ��� W S ty" Y n0 | jd u rndd� }| j| jkr^d|| j�|| j�f | _nd|| j� | _| jS )Nc S s$ t | �dkr | d d� d S | S d S )N� rs r �r� r r r � charsAsStr� s z Word.__str__.<locals>.charsAsStrz W:(%s, %s)zW:(%s))rt rN r� r� r� r� r� )r� r� rv r r r� � s z Word.__str__)Nr� r r FN)T�r r r r� r� r� r� rz r r rv r rN s 49 rN c @ s e Zd Zddd�ZdS )r� Tc C s4 | � ||�}|s t||| j| ��|�� }||�� fS r� )r� r> r� �end�group)r� r� r� r� rp r r r r� � s z_WordRegex.parseImplN)Tr� r r r r r� � s r� c s" e Zd ZdZd� fdd� Z� ZS )rR z�A short-cut class for defining ``Word(characters, exact=1)``, when defining a match of any single character in a string of characters. FNc sZ t t| �j|d||d� dtd�| j�� | _|r>d| j | _t�| j�| _| jj | _ d S )Nr� )r� r� r� �[%s]r� z\b%s\b) rt rR r� r� r� r� r� r� r� r� r� )r� �charsetr� r� rv r r r� � s z Char.__init__)FNr} r r rv r rR � s rR c sT e Zd ZdZd� fdd� Zddd�Zdd d �Zdd d �Z� fd d�Zdd� Z � Z S )rF ah Token for matching strings that match a given regular expression. Defined with string specifying the regular expression in a form recognized by the stdlib Python `re module <https://docs.python.org/3/library/re.html>`_. If the given regex contains named groups (defined using ``(?P<name>...)``), these will be preserved as named parse results. If instead of the Python stdlib re module you wish to use a different RE module (such as the `regex` module), you can replace it by either building your Regex object with a compiled RE that was compiled using regex: Example:: realnum = Regex(r"[+-]?\d+\.\d*") date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)') # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})") # use regex module instead of stdlib re module to construct a Regex using # a compiled regular expression import regex parser = pp.Regex(regex.compile(r'[0-9]')) r Fc s" t t| ��� t|t�r�|s,tjdtdd� || _|| _ z t � | j| j �| _ | j| _ W q� t jy� tjd| tdd� � Y q�0 n8t|d�r�t|d�r�|| _ |j | _| _ || _ ntd��| j j| _t| �| _d| j | _d | _| �d �d u| _|| _|| _| j�r| j| _| j�r | j | _d S ) a The parameters ``pattern`` and ``flags`` are passed to the ``re.compile()`` function as-is. See the Python `re module <https://docs.python.org/3/library/re.html>`_ module for an explanation of the acceptable patterns and flags. z0null string passed to Regex; use Empty() insteadr� r/ �$invalid pattern (%s) passed to Regex�patternr� zCRegex may only be constructed with a string or a compiled RE objectr� Fr� N) rt rF r� r� r r3 r4 r5 r� �flagsr� r� r� � sre_constants�errorr: r r� r� r� r r� r� r� � asGroupList�asMatch�parseImplAsGroupListr� �parseImplAsMatch)r� r� r� r� r� rv r r r� � s@ � � zRegex.__init__Tc C sb | � ||�}|s t||| j| ��|�� }t|�� �}|�� }|rZ|�� D ]\}}|||< qH||fS r� )r� r> r� r� rA r� � groupdictr* ) r� r� r� r� rp r� �dr# r r r r r� s zRegex.parseImplc C s8 | � ||�}|s t||| j| ��|�� }|�� }||fS r� )r� r> r� r� �groups�r� r� r� r� rp r� r r r r� s zRegex.parseImplAsGroupListc C s4 | � ||�}|s t||| j| ��|�� }|}||fS r� )r� r> r� r� r� r r r r� ! s zRegex.parseImplAsMatchc sD zt t| ��� W S ty" Y n0 | jd u r>dt| j� | _| jS )NzRe:(%s))rt rF r� r� r� r r� r� rv r r r� * s z Regex.__str__c sl �j r tjdtdd� t� ��jr@t� �r@tjdtdd� t� ��jrT� fdd�}n� �fdd�}��|�S )a� Return Regex with an attached parse action to transform the parsed result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_. Example:: make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>") print(make_html.transformString("h1:main title:")) # prints "<h1>main title</h1>" z-cannot use sub() with Regex(asGroupList=True)r� r/ z9cannot use sub() with a callable with Regex(asMatch=True)c s | d � � �S r )�expand�r� )�replr r r� K s zRegex.sub.<locals>.pac s �j �� | d �S r )r� r$ r� �r� r� r r r� N s )r� r3 r4 r5 � SyntaxErrorr� r� r� )r� r� r� r r� r r$ 5 s ��z Regex.sub)r FF)T)T)T) r r r r� r� r� r� r� r� r$ rz r r rv r rF � s - rF c s8 e Zd ZdZd � fdd� Zd dd�Z� fd d �Z� ZS ) rD a& Token for matching strings that are delimited by quoting characters. Defined with the following parameters: - quoteChar - string of one or more characters defining the quote delimiting string - escChar - character to escape quotes, typically backslash (default= ``None``) - escQuote - special quote sequence to escape an embedded quote string (such as SQL's ``""`` to escape an embedded ``"``) (default= ``None``) - multiline - boolean indicating whether quotes can span multiple lines (default= ``False``) - unquoteResults - boolean indicating whether the matched text should be unquoted (default= ``True``) - endQuoteChar - string of one or more characters defining the end of the quote delimited string (default= ``None`` => same as quoteChar) - convertWhitespaceEscapes - convert escaped whitespace (``'\t'``, ``'\n'``, etc.) to actual whitespace (default= ``True``) Example:: qs = QuotedString('"') print(qs.searchString('lsjdf "This is the quote" sldjf')) complex_qs = QuotedString('{{', endQuoteChar='}}') print(complex_qs.searchString('lsjdf {{This is the "quote"}} sldjf')) sql_qs = QuotedString('"', escQuote='""') print(sql_qs.searchString('lsjdf "This is the quote with ""embedded"" quotes" sldjf')) prints:: [['This is the quote']] [['This is the "quote"']] [['This is the quote with "embedded" quotes']] NFTc sV t t� ��� |�� }|s0tjdtdd� t� �|d u r>|}n"|�� }|s`tjdtdd� t� �|� _t |�� _ |d � _ |� _ t |�� _ |� _|� _|� _|� _|r�tjtjB � _dt�� j�t� j d �|d ur�t|�p�df � _n<d� _dt�� j�t� j d �|d u�rt|��p df � _t � j �d k�rp� jd d �� fd d �tt � j �d dd�D �� d 7 _|�r�� jdt�|� 7 _|�r�� jdt�|� 7 _t�� j�d � _� jdt�� j � 7 _z(t� � j� j�� _� j� _ � jj � _ W n. t j!�y. tjd� j tdd� � Y n0 t"� �� _#d� j# � _$d� _%d� _&d S )Nz$quoteChar cannot be the empty stringr� r/ z'endQuoteChar cannot be the empty stringr z %s(?:[^%s%s]r� z%s(?:[^%s\n\r%s]r� z|(?:z)|(?:c 3 s4 | ],}d t �� jd|� �t� j| �f V qdS )z%s[^%s]N)r� r� � endQuoteCharr� r` r� r r r� � s � �z(QuotedString.__init__.<locals>.<genexpr>r� �)z|(?:%s)z|(?:%s.)z(.)z)*%sr� r� FT)'rt rD r� r� r3 r4 r5 r� � quoteCharr� � quoteCharLen�firstQuoteCharr� �endQuoteCharLen�escChar�escQuote�unquoteResults�convertWhitespaceEscapesr� � MULTILINE�DOTALLr� r� r� r� r� r' �escCharReplacePatternr� r� r� r� r� r� r� r r� r� r� )r� r� r� r� Z multiliner� r� r� rv r� r r� y st � ���� � zQuotedString.__init__c C s� || | j kr| �||�p d }|s2t||| j| ��|�� }|�� }| jr�|| j| j � }t |t �r�d|v r�| j r�ddddd�}|� � D ]\}}|� ||�}q�| jr�t�| jd|�}| jr�|� | j| j�}||fS )Nr� � r� � � )�\trf z\fz\rz\g<1>)r� r� r> r� r� r� r� r� r� r� r r� r* r� r� r� r$ r� r� r� ) r� r� r� r� rp r� Zws_mapZwslitZwscharr r r r� � s* �zQuotedString.parseImplc sF zt t| ��� W S ty" Y n0 | jd u r@d| j| jf | _| jS )Nz.quoted string, starting with %s ending with %s)rt rD r� r� r� r� r� r� rv r r r� � s zQuotedString.__str__)NNFTNT)Tr� r r rv r rD R s & �A #rD c s8 e Zd ZdZd � fdd� Zd dd�Z� fd d �Z� ZS ) r' a� Token for matching words composed of characters *not* in a given set (will include whitespace in matched characters if not listed in the provided exclusion set - see example). Defined with string containing all disallowed characters, and an optional minimum, maximum, and/or exact length. The default value for ``min`` is 1 (a minimum value < 1 is not valid); the default values for ``max`` and ``exact`` are 0, meaning no maximum or exact length restriction. Example:: # define a comma-separated-value as anything that is not a ',' csv_value = CharsNotIn(',') print(delimitedList(csv_value).parseString("dkls,lsdkjf,s12 34,@!#,213")) prints:: ['dkls', 'lsdkjf', 's12 34', '@!#', '213'] r� r c s� t t| ��� d| _|| _|dk r*td��|| _|dkr@|| _nt| _|dkrZ|| _|| _t | �| _ d| j | _ | jdk| _ d| _ d S )NFr� zfcannot specify a minimum length < 1; use Optional(CharsNotIn()) if zero-length char group is permittedr r� )rt r' r� r� �notCharsrA r� r� rr r� r r� r� r� )r� r� r� r� r� rv r r r� � s zCharsNotIn.__init__Tc C s� || | j v r t||| j| ��|}|d7 }| j }t|| j t|��}||k rb|| |vrb|d7 }qD|| | jk r�t||| j| ��||||� fS r� )r� r> r� r� r� r� r� )r� r� r� r� r� Znotchars�maxlenr r r r� s zCharsNotIn.parseImplc sd zt t| ��� W S ty" Y n0 | jd u r^t| j�dkrRd| jd d� | _n d| j | _| jS )Nr� z !W:(%s...)z!W:(%s))rt r' r� r� r� r� r� r� rv r r r� & s zCharsNotIn.__str__)r� r r )Tr� r r rv r r' � s r' c s` e Zd ZdZdddddddd d d d d dddddddddddd�Zd"� fd d � Zd#d d!�Z� ZS )$rM a� Special matching class for matching whitespace. Normally, whitespace is ignored by pyparsing grammars. This class is included when some whitespace structures are significant. Define with a string containing the whitespace characters to be matched; default is ``" \t\r\n"``. Also takes optional ``min``, ``max``, and ``exact`` arguments, as defined for the :class:`Word` class. z<SP>z<TAB>z<LF>z<CR>z<FF>z<NBSP>z<OGHAM_SPACE_MARK>z<MONGOLIAN_VOWEL_SEPARATOR>z <EN_QUAD>z <EM_QUAD>z <EN_SPACE>z <EM_SPACE>z<THREE-PER-EM_SPACE>z<FOUR-PER-EM_SPACE>z<SIX-PER-EM_SPACE>z<FIGURE_SPACE>z<PUNCTUATION_SPACE>z <THIN_SPACE>z <HAIR_SPACE>z<ZERO_WIDTH_SPACE>z<NNBSP>z<MMSP>z<IDEOGRAPHIC_SPACE>)r� r� r� r� r� � u u u u u u u u u u u u u u u u u � r� r c s� t t� ��� |� _� �d�� fdd�� jD ��� d�dd� � jD ��� _d� _d� j � _ |� _ |dkrt|� _ nt � _ |dkr�|� _ |� _ d S )Nr� c 3 s | ]}|� j vr|V qd S r� )� matchWhiter� r� r r r� Y r z!White.__init__.<locals>.<genexpr>c s s | ]}t j| V qd S r� )rM � whiteStrsr� r r r r� [ r Tr� r ) rt rM r� r� rP r� r� r r� r� r� r� rr )r� �wsr� r� r� rv r� r r� V s zWhite.__init__Tc C s� || | j vr t||| j| ��|}|d7 }|| j }t|t|��}||k rb|| | j v rb|d7 }qB|| | jk r�t||| j| ��||||� fS r� )r� r> r� r� r� r� r� )r� r� r� r� r� r� r r r r� j s zWhite.parseImpl)r� r� r r )T)r r r r� r� r� r� rz r r rv r rM 4 s6 �rM c s e Zd Z� fdd�Z� ZS )�_PositionTokenc s( t t| ��� | jj| _d| _d| _d S r� )rt r� r� r� r r r� r� r� rv r r r� { s z_PositionToken.__init__�r r r r� rz r r rv r r� z s r� c s2 e Zd ZdZ� fdd�Zdd� Zd dd�Z� ZS ) r. zaToken to advance to a specific column of input text; useful for tabular report scraping. c s t t| ��� || _d S r� )rt r. r� rY )r� �colnorv r r r� � s zGoToColumn.__init__c C s\ t ||�| j krXt|�}| jr*| �||�}||k rX|| �� rXt ||�| j krX|d7 }q*|S r� )rY r� r� r� �isspace)r� r� r� r� r r r r� � s $ zGoToColumn.preParseTc C sD t ||�}|| j kr"t||d| ��|| j | }|||� }||fS )NzText not in expected column�rY r> )r� r� r� r� ZthiscolZnewlocr� r r r r� � s zGoToColumn.parseImpl)T)r r r r� r� r� r� rz r r rv r r. � s r. c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r2 a� Matches if current position is at the beginning of a line within the parse string Example:: test = '''\ AAA this line AAA and this line AAA but not this one B AAA and definitely not this one ''' for t in (LineStart() + 'AAA' + restOfLine).searchString(test): print(t) prints:: ['AAA', ' this line'] ['AAA', ' and this line'] c s t t| ��� d| _d S )NzExpected start of line)rt r2 r� r� r� rv r r r� � s zLineStart.__init__Tc C s* t ||�dkr|g fS t||| j| ��d S r� )rY r> r� r� r r r r� � s zLineStart.parseImpl)Tr~ r r rv r r2 � s r2 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r1 zTMatches if current position is at the end of a line within the parse string c s, t t| ��� | �tj�dd�� d| _d S )Nr� r� zExpected end of line)rt r1 r� rP rC r� r� r� r� rv r r r� � s zLineEnd.__init__Tc C sb |t |�k r6|| dkr$|d dfS t||| j| ��n(|t |�krN|d g fS t||| j| ��d S )Nr� r� �r� r> r� r� r r r r� � s zLineEnd.parseImpl)Tr~ r r rv r r1 � s r1 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )rI zLMatches if current position is at the beginning of the parse string c s t t| ��� d| _d S )NzExpected start of text)rt rI r� r� r� rv r r r� � s zStringStart.__init__Tc C s0 |dkr(|| � |d�kr(t||| j| ��|g fS r )r� r> r� r� r r r r� � s zStringStart.parseImpl)Tr~ r r rv r rI � s rI c s* e Zd ZdZ� fdd�Zddd�Z� ZS )rH zBMatches if current position is at the end of the parse string c s t t| ��� d| _d S )NzExpected end of text)rt rH r� r� r� rv r r r� � s zStringEnd.__init__Tc C s^ |t |�k r t||| j| ��n<|t |�kr6|d g fS |t |�krJ|g fS t||| j| ��d S r� r� r� r r r r� � s zStringEnd.parseImpl)Tr~ r r rv r rH � s rH c s. e Zd ZdZef� fdd� Zddd�Z� ZS )rP ay Matches if the current position is at the beginning of a Word, and is not preceded by any character in a given set of ``wordChars`` (default= ``printables``). To emulate the ```` behavior of regular expressions, use ``WordStart(alphanums)``. ``WordStart`` will also match at the beginning of the string being parsed, or at the beginning of a line. c s" t t| ��� t|�| _d| _d S )NzNot at the start of a word)rt rP r� r� � wordCharsr� �r� r� rv r r r� � s zWordStart.__init__Tc C s@ |dkr8||d | j v s(|| | j vr8t||| j| ��|g fS r& )r� r> r� r� r r r r� � s �zWordStart.parseImpl)T�r r r r� rv r� r� rz r r rv r rP � s rP c s. e Zd ZdZef� fdd� Zddd�Z� ZS )rO a_ Matches if the current position is at the end of a Word, and is not followed by any character in a given set of ``wordChars`` (default= ``printables``). To emulate the ```` behavior of regular expressions, use ``WordEnd(alphanums)``. ``WordEnd`` will also match at the end of the string being parsed, or at the end of a line. c s( t t| ��� t|�| _d| _d| _d S )NFzNot at the end of a word)rt rO r� r� r� r� r� r� rv r r r� s zWordEnd.__init__Tc C sP t |�}|dkrH||k rH|| | jv s8||d | jvrHt||| j| ��|g fS r& )r� r� r> r� )r� r� r� r� r� r r r r� s �zWordEnd.parseImpl)Tr� r r rv r rO s rO c sz e Zd ZdZd� fdd� Zdd� Zdd� Z� fd d �Z� fd d �Z� fd d�Z ddd�Z � fdd�Z d� fdd� Z � Z S )r? z]Abstract subclass of ParserElement, for combining and post-processing parsed tokens. Fc s� t t� ��|� t|t�r"t|�}t|t�r<� �|�g� _n�t|t �rP|g� _nlt|t �r�t|�}t dd� |D ��r�� fdd�|D �}t|�� _n*zt|�� _W n t y� |g� _Y n0 d� _ d S )Nc s s | ]}t |t�V qd S r� )r� r )r r� r r r r� * r z+ParseExpression.__init__.<locals>.<genexpr>c 3 s& | ] }t |t�r� �|�n|V qd S r� )r� r r� �r r� r� r r r� + r F)rt r? r� r� r r r r� �exprsrC r r� r r� �r� r� r� rv r� r r� s" zParseExpression.__init__c C s | j �|� d | _| S r� )r� r� r� r\ r r r r� 4 s zParseExpression.appendc C s0 d| _ dd� | jD �| _| jD ] }|�� q | S )z�Extends ``leaveWhitespace`` defined in base class, and also invokes ``leaveWhitespace`` on all contained expressions.Fc S s g | ] }|� � �qS r rQ r� r r r r = r z3ParseExpression.leaveWhitespace.<locals>.<listcomp>)r� r� rO )r� r� r r r rO 9 s z ParseExpression.leaveWhitespacec sr t |t�rB|| jvrntt| ��|� | jD ]}|�| jd � q*n,tt| ��|� | jD ]}|�| jd � qX| S r7 )r� rJ r� rt r? rR r� )r� rS r� rv r r rR B s zParseExpression.ignorec sL zt t| ��� W S ty" Y n0 | jd u rFd| jjt| j�f | _| jS �Nz%s:(%s)) rt r? r� r� r� r� r r� r� r� rv r r r� N s zParseExpression.__str__c s* t t| ��� | jD ] }|�� qt| j�dk�r| jd }t|| j�r�|js�|jd u r�|j s�|jd d � | jd g | _d | _ | j |j O _ | j |j O _ | jd }t|| j��r|j�s|jd u �r|j �s| jd d� |jd d � | _d | _ | j |j O _ | j |j O _ dt | � | _| S )Nr� r r� r� r� )rt r? r r� r� r� r� r� r� r� r� r� r� r� r� )r� r� rS rv r r r X s< ��� ��� zParseExpression.streamlineNc C sB |d ur |ng d d � | g }| j D ]}|�|� q$| �g � d S r� )r� rW rU )r� rV �tmpr� r r r rW z s zParseExpression.validatec s$ t t| ��� }dd� | jD �|_|S )Nc S s g | ] }|� � �qS r rQ r� r r r r � r z(ParseExpression.copy.<locals>.<listcomp>)rt r? rR r� rl rv r r rR � s zParseExpression.copyc sV t jrD| jD ]6}t|t�r |jr tjd�d|t | �j |j�dd� q t t | �� ||�S )N�]{0}: setting results name {1!r} on {2} expression collides with {3!r} on contained expressionr r� r/ )r r r� r� rC r� r3 r4 r� r� r rt r? r� �r� r r� r� rv r r r� � s ��z ParseExpression._setResultsName)F)N)F)r r r r� r� r� rO rR r� r rW rR r� rz r r rv r r? s " r? c s` e Zd ZdZG dd� de�Zd� fdd� Z� fdd�Zdd d �Zd d � Z d d� Z dd� Z � Z S )r$ a Requires all given :class:`ParseExpression` s to be found in the given order. Expressions may be separated by whitespace. May be constructed using the ``'+'`` operator. May also be constructed using the ``'-'`` operator, which will suppress backtracking. Example:: integer = Word(nums) name_expr = OneOrMore(Word(alphas)) expr = And([integer("id"), name_expr("name"), integer("age")]) # more easily written as: expr = integer("id") + name_expr("name") + integer("age") c s e Zd Z� fdd�Z� ZS )zAnd._ErrorStopc s* t tj| �j|i |�� d| _| �� d S )N�-)rt r$ r7 r� r rO r� rv r r r� � s zAnd._ErrorStop.__init__r� r r rv r r7 � s r7 Tc s� t |�}|r�t|v r�g }t|�D ]`\}}|tu rv|t|�d k rlt� ||d jd }|�t|�d�� q�td��q |�|� q ||d d �< t t | �� ||� t dd� | jD ��| _ | �| jd j� | jd j| _d| _d S ) Nr� r� r6 z0cannot construct And with sequence ending in ...c s s | ] }|j V qd S r� �r� r� r r r r� � r z And.__init__.<locals>.<genexpr>r T)r r1 r� r� r+ r� r� rG r� rt r$ r� r� r� rP r� r� r� )r� r� r� r� r� r� Z skipto_argrv r r r� � s z And.__init__c s� | j r�tdd� | j d d� D ��r�t| j d d� �D ]^\}}|d u rFq4t|t�r4|j r4t|j d t�r4|j d | j |d |j d< d | j |d < q4dd� | j D �| _ tt| ��� t dd� | j D ��| _ | S )Nc s s. | ]&}t |t�o$|jo$t |jd t�V qdS �r� N)r� r? r� r2 r� r r r r� � s �z!And.streamline.<locals>.<genexpr>r� r� c S s g | ]}|d ur|�qS r� r r� r r r r � r z"And.streamline.<locals>.<listcomp>c s s | ] }|j V qd S r� r� r� r r r r� � r ) r� r� r� r� r? r2 rt r$ r r� r� )r� r� r� rv r r r � s$ � �� zAnd.streamlinec C s� | j d j|||dd�\}}d}| j dd � D ]�}t|tj�rDd}q.|r�z|�|||�\}}W q� tyr � Y q� ty� } z d |_t�|��W Y d }~q�d }~0 t y� t|t |�| j | ��Y q�0 n|�|||�\}}|s�|� � r.||7 }q.||fS )Nr Fr% r� T) r� r� r� r$ r7 rB r< r� r� r r� r� rD ) r� r� r� r� � resultlistZ errorStopr� Z exprtokensr� r r r r� � s( z And.parseImplc C s t |t�r| �|�}| �|�S r� �r� r r� r� r\ r r r rM � s z And.__iadd__c C s6 |d d � | g }| j D ]}|�|� |js q2qd S r� )r� rU r� �r� r �subRecCheckListr� r r r rU � s zAnd.checkRecursionc C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr �{r� c s s | ]}t |�V qd S r� r� r� r r r r� � r z And.__str__.<locals>.<genexpr>�}�r: r r� r� r� r� r r r r� � s z And.__str__)T)T) r r r r� r+ r7 r� r r� rM rU r� rz r r rv r r$ � s r$ c s^ e Zd ZdZd� fdd� Z� fdd�Zddd �Zd d � Zd d � Zdd� Z d� fdd� Z � Z S )r; a� Requires that at least one :class:`ParseExpression` is found. If two expressions match, the expression that matches the longest string will be used. May be constructed using the ``'^'`` operator. Example:: # construct Or using '^' operator number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums)) print(number.searchString("123 3.1416 789")) prints:: [['123'], ['3.1416'], ['789']] Fc s: t t| ��||� | jr0tdd� | jD ��| _nd| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z Or.__init__.<locals>.<genexpr>T)rt r; r� r� r� r� r� rv r r r� s z Or.__init__c s. t t| ��� tjr*tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� �r� r� r r r r� r z Or.streamline.<locals>.<genexpr>)rt r; r r# �collect_all_And_tokensr� r� r� r� rv r r r s z Or.streamlineTc C s� d}d }g }| j D ]�}z|�||�}W nv tyd } z&d | _| j|krP| }| j}W Y d } ~ qd } ~ 0 ty� t|�|kr�t|t|�|j| �}t|�}Y q0 |�||f� q|�r�|j t d�dd� |s�|d d } | � |||�S d} |D ]�\} } | | d k�r | S z| � |||�\}}W nB t�yb } z(d | _| j|k�rN| }| j}W Y d } ~ q�d } ~ 0 0 || k�rz||f S || d kr�||f} q�| dk�r�| S |d u�r�| j|_ |�nt||d| ��d S )Nr� r T)rI r) r� r� � no defined alternatives to match) r� r� r> r� r� r r� r� r� �sortr r� r� )r� r� r� r� � maxExcLoc� maxExceptionr' r� Zloc2r� Z best_exprZlongestZloc1Zexpr1r� r r r r� sT z Or.parseImplc C s t |t�r| �|�}| �|�S r� r� r\ r r r �__ixor__[ s z Or.__ixor__c C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� z ^ c s s | ]}t |�V qd S r� r� r� r r r r� e r z Or.__str__.<locals>.<genexpr>r� r� r� r r r r� ` s z Or.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� �r� rU r� r r r rU i s zOr.checkRecursionc sP t js>tjr>tdd� | jD ��r>tjd�d|t | �j �dd� t t | �� ||�S )Nc s s | ]}t |t�V qd S r� �r� r$ r� r r r r� q r z%Or._setResultsName.<locals>.<genexpr>��{0}: setting results name {1!r} on {2} expression may only return a single token for an And alternative, in future will return the full list of tokensr r� r/ )r# r� r r r� r� r3 r4 r� r� r rt r; r� r� rv r r r� n s � ��zOr._setResultsName)F)T)F) r r r r� r� r r� r� r� rU r� rz r r rv r r; s = r; c s^ e Zd ZdZd� fdd� Z� fdd�Zddd �Zd d � Zd d � Zdd� Z d� fdd� Z � Z S )r5 a� Requires that at least one :class:`ParseExpression` is found. If two expressions match, the first one listed is the one that will match. May be constructed using the ``'|'`` operator. Example:: # construct MatchFirst using '|' operator # watch the order of expressions to match number = Word(nums) | Combine(Word(nums) + '.' + Word(nums)) print(number.searchString("123 3.1416 789")) # Fail! -> [['123'], ['3'], ['1416'], ['789']] # put more selective expression first number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums) print(number.searchString("123 3.1416 789")) # Better -> [['123'], ['3.1416'], ['789']] Fc s: t t| ��||� | jr0tdd� | jD ��| _nd| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� � r z&MatchFirst.__init__.<locals>.<genexpr>T)rt r5 r� r� r� r� r� rv r r r� � s zMatchFirst.__init__c s. t t| ��� tjr*tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� r� r� r r r r� � r z(MatchFirst.streamline.<locals>.<genexpr>)rt r5 r r# r� r� r� r� r� rv r r r � s zMatchFirst.streamlineTc C s� d}d }| j D ]�}z|�|||�}|W S tyb } z |j|krN|}|j}W Y d }~qd }~0 ty� t|�|kr�t|t|�|j| �}t|�}Y q0 q|d ur�| j|_|�nt||d| ��d S )Nr� r� )r� r� r> r� r r� r� r� ) r� r� r� r� r� r� r� r� r� r r r r� � s$ zMatchFirst.parseImplc C s t |t�r| �|�}| �|�S r� r� r\ r r r �__ior__� s zMatchFirst.__ior__c C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� � | c s s | ]}t |�V qd S r� r� r� r r r r� � r z%MatchFirst.__str__.<locals>.<genexpr>r� r� r� r r r r� � s zMatchFirst.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� r� r� r r r rU � s zMatchFirst.checkRecursionc sP t js>tjr>tdd� | jD ��r>tjd�d|t | �j �dd� t t | �� ||�S )Nc s s | ]}t |t�V qd S r� r r� r r r r� � r z-MatchFirst._setResultsName.<locals>.<genexpr>r r r� r/ )r# r� r r r� r� r3 r4 r� r� r rt r5 r� r� rv r r r� � s � ��zMatchFirst._setResultsName)F)T)F) r r r r� r� r r� r r� rU r� rz r r rv r r5 { s r5 c sH e Zd ZdZd � fdd� Z� fdd�Zddd�Zd d � Zd d � Z� Z S )r* as Requires all given :class:`ParseExpression` s to be found, but in any order. Expressions may be separated by whitespace. May be constructed using the ``'&'`` operator. Example:: color = oneOf("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN") shape_type = oneOf("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON") integer = Word(nums) shape_attr = "shape:" + shape_type("shape") posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn") color_attr = "color:" + color("color") size_attr = "size:" + integer("size") # use Each (using operator '&') to accept attributes in any order # (shape and posn are required, color and size are optional) shape_spec = shape_attr & posn_attr & Optional(color_attr) & Optional(size_attr) shape_spec.runTests(''' shape: SQUARE color: BLACK posn: 100, 120 shape: CIRCLE size: 50 color: BLUE posn: 50,80 color:GREEN size:20 shape:TRIANGLE posn:20,40 ''' ) prints:: shape: SQUARE color: BLACK posn: 100, 120 ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']] - color: BLACK - posn: ['100', ',', '120'] - x: 100 - y: 120 - shape: SQUARE shape: CIRCLE size: 50 color: BLUE posn: 50,80 ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']] - color: BLUE - posn: ['50', ',', '80'] - x: 50 - y: 80 - shape: CIRCLE - size: 50 color: GREEN size: 20 shape: TRIANGLE posn: 20,40 ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']] - color: GREEN - posn: ['20', ',', '40'] - x: 20 - y: 40 - shape: TRIANGLE - size: 20 Tc s> t t| ��||� tdd� | jD ��| _d| _d| _d| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z Each.__init__.<locals>.<genexpr>T) rt r* r� r� r� r� r� �initExprGroupsr� r� rv r r r� s z Each.__init__c s( t t| ��� tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z"Each.streamline.<locals>.<genexpr>)rt r* r r� r� r� r� rv r r r s zEach.streamlinec s� | j r�tdd� | jD ��| _dd� | jD �}dd� | jD �}|| | _dd� | jD �| _dd� | jD �| _dd� | jD �| _| j| j7 _d | _ |}| jd d � }| jd d � � g }d } | �rh|� | j | j } g } | D ]t} z| �||�}W n t �y | � | � Y q�0 |� | j� t | �| �� | |v �r>|� | � q�| � v r܈ � | � q�t| �t| �kr�d } q�|�r�d �d d� |D ��} t ||d | ��|� fdd�| jD �7 }g }|D ]"} | �|||�\}}|� |� �q�t|tg ��}||fS )Nc s s& | ] }t |t�rt|j�|fV qd S r� )r� r: r` r� r� r r r r� r z!Each.parseImpl.<locals>.<genexpr>c S s g | ]}t |t�r|j�qS r �r� r: r� r� r r r r r z"Each.parseImpl.<locals>.<listcomp>c S s$ g | ] }|j rt|ttf�s|�qS r )r� r� r: rF r� r r r r r c S s g | ]}t |t�r|j�qS r )r� rQ r� r� r r r r r c S s g | ]}t |t�r|j�qS r )r� r8 r� r� r r r r r c S s g | ]}t |tttf�s|�qS r )r� r: rQ r8 r� r r r r r FTr_ c s s | ]}t |�V qd S r� r� r� r r r r� 9 r z*Missing one or more required elements (%s)c s$ g | ] }t |t�r|j� v r|�qS r r r� �ZtmpOptr r r = r )r r r� Zopt1map� optionalsZmultioptionalsZ multirequired�requiredr� r> r� r� r` �remover� r� r� �sumrA )r� r� r� r� Zopt1Zopt2ZtmpLocZtmpReqdZ matchOrderZ keepMatchingZtmpExprsZfailedr� �missingr� r� Z finalResultsr r r r� sP zEach.parseImplc C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� z & c s s | ]}t |�V qd S r� r� r� r r r r� L r z Each.__str__.<locals>.<genexpr>r� r� r� r r r r� G s z Each.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� r� r� r r r rU P s zEach.checkRecursion)T)T) r r r r� r� r r� r� rU rz r r rv r r* � s 8 1 r* c sj e Zd ZdZd� fdd� Zddd�Zdd � Z� fd d �Z� fd d �Zdd� Z ddd�Z � fdd�Z � Z S )r= zfAbstract subclass of :class:`ParserElement`, for combining and post-processing parsed tokens. Fc s� t t| ��|� t|t�r@t| jt�r2| �|�}n| �t|��}|| _ d | _ |d ur�|j | _ |j | _ | � |j� |j| _|j| _|j| _| j�|j� d S r� )rt r= r� r� r � issubclassr� rK r3 r� r� r� r� rP r� r� r� r� r� rN �r� r� r� rv r r r� Z s z ParseElementEnhance.__init__Tc C s2 | j d ur | j j|||dd�S td|| j| ��d S )NFr% r� )r� r� r> r� r� r r r r� l s z ParseElementEnhance.parseImplc C s* d| _ | j�� | _| jd ur&| j�� | S r� )r� r� rR rO r� r r r rO r s z#ParseElementEnhance.leaveWhitespacec sr t |t�rB|| jvrntt| ��|� | jd urn| j�| jd � n,tt| ��|� | jd urn| j�| jd � | S r7 )r� rJ r� rt r= rR r� r\ rv r r rR y s zParseElementEnhance.ignorec s& t t| ��� | jd ur"| j�� | S r� )rt r= r r� r� rv r r r � s z ParseElementEnhance.streamlinec C sB | |v rt || g ��|d d � | g }| jd ur>| j�|� d S r� )rE r� rU )r� r r� r r r rU � s z"ParseElementEnhance.checkRecursionNc C sB |d u r g }|d d � | g }| j d ur4| j �|� | �g � d S r� �r� rW rU �r� rV r� r r r rW � s z ParseElementEnhance.validatec sV zt t| ��� W S ty" Y n0 | jd u rP| jd urPd| jjt| j�f | _| jS r� ) rt r= r� r� r� r� r� r r� r� rv r r r� � s zParseElementEnhance.__str__)F)T)N) r r r r� r� r� rO rR r rU rW r� rz r r rv r r= V s r= c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r, ab Lookahead matching of the given parse expression. ``FollowedBy`` does *not* advance the parsing position within the input string, it only verifies that the specified parse expression matches at the current position. ``FollowedBy`` always returns a null token list. If any results names are defined in the lookahead expression, those *will* be returned for access by name. Example:: # use FollowedBy to match a label only if it is followed by a ':' data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) OneOrMore(attr_expr).parseString("shape: SQUARE color: BLACK posn: upper left").pprint() prints:: [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']] c s t t| ��|� d| _d S r )rt r, r� r� �r� r� rv r r r� � s zFollowedBy.__init__Tc C s( | j j|||d�\}}|d d �= ||fS )Nr� )r� r� )r� r� r� r� �_r� r r r r� � s zFollowedBy.parseImpl)Tr~ r r rv r r, � s r, c s, e Zd ZdZd � fdd� Zd dd�Z� ZS ) r4 ap Lookbehind matching of the given parse expression. ``PrecededBy`` does not advance the parsing position within the input string, it only verifies that the specified parse expression matches prior to the current position. ``PrecededBy`` always returns a null token list, but if a results name is defined on the given expression, it is returned. Parameters: - expr - expression that must match prior to the current parse location - retreat - (default= ``None``) - (int) maximum number of characters to lookbehind prior to the current parse location If the lookbehind expression is a string, Literal, Keyword, or a Word or CharsNotIn with a specified exact or maximum length, then the retreat parameter is not required. Otherwise, retreat must be specified to give a maximum number of characters to look back from the current parse position for a lookbehind match. Example:: # VB-style variable names with type prefixes int_var = PrecededBy("#") + pyparsing_common.identifier str_var = PrecededBy("$") + pyparsing_common.identifier Nc s� t t| ��|� | �� �� | _d| _d| _d| _t|t �rJt |�}d| _nVt|t t f�rf|j }d| _n:t|ttf�r�|jtkr�|j}d| _nt|t�r�d}d| _|| _dt |� | _d| _| j�dd� � d S )NTFr znot preceded by c S s |� td d ��S r� )r/ r! r� r r r r� � r z%PrecededBy.__init__.<locals>.<lambda>)rt r4 r� r� rO r� r� r� r� r� r� r3 r0 r� rN r' r� rr r� �retreatr� r� r� r� )r� r� r rv r r r� � s* zPrecededBy.__init__r Tc C s� | j r<|| jk r t||| j��|| j }| j�||�\}}n�| jt� }|td|| j �|� }t||| j�} tdt || jd �d �D ]N} z |�|t |�| �\}}W n( t y� } z| } W Y d } ~ q�d } ~ 0 0 q�q�| �||fS r& ) r� r r> r� r� r� rH r� r' r� r� r< ) r� r� r� r� r� r r� Z test_exprZinstring_sliceZ last_exprrV Zpber r r r� � s zPrecededBy.parseImpl)N)r Tr~ r r rv r r4 � s r4 c s2 e Zd ZdZ� fdd�Zd dd�Zdd� Z� ZS ) r7 a� Lookahead to disallow matching with the given parse expression. ``NotAny`` does *not* advance the parsing position within the input string, it only verifies that the specified parse expression does *not* match at the current position. Also, ``NotAny`` does *not* skip over leading whitespace. ``NotAny`` always returns a null token list. May be constructed using the '~' operator. Example:: AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split()) # take care not to mistake keywords for identifiers ident = ~(AND | OR | NOT) + Word(alphas) boolean_term = Optional(NOT) + ident # very crude boolean expression - to support parenthesis groups and # operation hierarchy, use infixNotation boolean_expr = boolean_term + ZeroOrMore((AND | OR) + boolean_term) # integers that are followed by "." are actually floats integer = Word(nums) + ~Char(".") c s0 t t| ��|� d| _d| _dt| j� | _d S )NFTzFound unwanted token, )rt r7 r� r� r� r� r� r� r rv r r r� * s zNotAny.__init__Tc C s& | j �||�r t||| j| ��|g fS r� )r� r� r> r� r� r r r r� 1 s zNotAny.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr z~{r� �r: r r� r� r� r� r r r r� 6 s zNotAny.__str__)Tr� r r rv r r7 s r7 c s> e Zd Zd � fdd� Zdd� Zd dd�Zd� fd d � Z� ZS )�_MultipleMatchNc s< t t| ��|� d| _|}t|t�r.| �|�}| �|� d S r )rt r r� r� r� r r� �stopOn)r� r� r �enderrv r r r� @ s z_MultipleMatch.__init__c C s, t |t�r| �|�}|d ur"| nd | _| S r� )r� r r� � not_ender)r� r r r r r H s z_MultipleMatch.stopOnTc C s� | j j}| j}| jd u}|r$| jj}|r2|||� ||||dd�\}}zV| j } |r`|||� | rp|||�} n|} ||| |�\}} | s�| �� rR|| 7 }qRW n ttfy� Y n0 ||fS �NFr% ) r� r� r� r r� r� rD r> r ) r� r� r� r� Zself_expr_parseZself_skip_ignorablesZ check_enderZ try_not_enderr� ZhasIgnoreExprsr� Z tmptokensr r r r� N s* z_MultipleMatch.parseImplFc sf t jrT| jgt| jdg � D ]6}t|t�r |jr tjd� d|t | �j |j�dd� q t t | ��||�S )Nr� r� r r� r/ )r r r� r� r� rC r� r3 r4 r� r� r rt r r� r� rv r r r� k s ��z _MultipleMatch._setResultsName)N)T)F)r r r r� r r� r� rz r r rv r r ? s r c @ s e Zd ZdZdd� ZdS )r8 aj Repetition of one or more of the given expression. Parameters: - expr - expression that must match one or more times - stopOn - (default= ``None``) - expression for a terminating sentinel (only required if the sentinel would ordinarily match the repetition expression) Example:: data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) text = "shape: SQUARE posn: upper left color: BLACK" OneOrMore(attr_expr).parseString(text).pprint() # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']] # use stopOn attribute for OneOrMore to avoid reading label string as part of the data attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) OneOrMore(attr_expr).parseString(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']] # could also be written as (attr_expr * (1,)).parseString(text).pprint() c C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r� z}...r r� r r r r� � s zOneOrMore.__str__N)r r r r� r� r r r r r8 y s r8 c s8 e Zd ZdZd � fdd� Zd � fdd� Zdd � Z� ZS ) rQ ak Optional repetition of zero or more of the given expression. Parameters: - expr - expression that must match zero or more times - stopOn - (default= ``None``) - expression for a terminating sentinel (only required if the sentinel would ordinarily match the repetition expression) Example: similar to :class:`OneOrMore` Nc s t t| �j||d� d| _d S )N�r T)rt rQ r� r� )r� r� r rv r r r� � s zZeroOrMore.__init__Tc s: zt t| ��|||�W S ttfy4 |g f Y S 0 d S r� )rt rQ r� r> r r� rv r r r� � s zZeroOrMore.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r^ �]...r r� r r r r� � s zZeroOrMore.__str__)N)Tr� r r rv r rQ � s rQ c @ s e Zd Zdd� ZeZdd� ZdS )� _NullTokenc C s dS r� r r� r r r r3 � s z_NullToken.__bool__c C s dS r� r r� r r r r� � s z_NullToken.__str__N)r r r r3 r� r� r r r r r � s r c s< e Zd ZdZe� Zef� fdd� Zd dd�Zdd� Z� Z S ) r: aG Optional matching of the given expression. Parameters: - expr - expression that must match zero or more times - default (optional) - value to be returned if the optional expression is not found. Example:: # US postal code can be a 5-digit zip, plus optional 4-digit qualifier zip = Combine(Word(nums, exact=5) + Optional('-' + Word(nums, exact=4))) zip.runTests(''' # traditional ZIP code 12345 # ZIP+4 form 12101-0001 # invalid ZIP 98765- ''') prints:: # traditional ZIP code 12345 ['12345'] # ZIP+4 form 12101-0001 ['12101-0001'] # invalid ZIP 98765- ^ FAIL: Expected end of text (at char 5), (line:1, col:6) c s. t t| �j|dd� | jj| _|| _d| _d S )NFr| T)rt r: r� r� r� rJ r� )r� r� rE rv r r r� � s zOptional.__init__Tc C sz z | j j|||dd�\}}W nT ttfyp | j| jurh| j jr^t| jg�}| j|| j j< ql| jg}ng }Y n0 ||fS r )r� r� r> r rJ � _Optional__optionalNotMatchedr� rA )r� r� r� r� r� r r r r� � s zOptional.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r^ ra r r� r r r r� � s zOptional.__str__)T) r r r r� r r r� r� r� rz r r rv r r: � s $ r: c s, e Zd ZdZd � fdd� Zd dd�Z� ZS ) rG a� Token for skipping over all undefined text until the matched expression is found. Parameters: - expr - target expression marking the end of the data to be skipped - include - (default= ``False``) if True, the target expression is also parsed (the skipped text and target expression are returned as a 2-element list). - ignore - (default= ``None``) used to define grammars (typically quoted strings and comments) that might contain false matches to the target expression - failOn - (default= ``None``) define expressions that are not allowed to be included in the skipped test; if found before the target expression is found, the SkipTo is not a match Example:: report = ''' Outstanding Issues Report - 1 Jan 2000 # | Severity | Description | Days Open -----+----------+-------------------------------------------+----------- 101 | Critical | Intermittent system crash | 6 94 | Cosmetic | Spelling error on Login ('log|n') | 14 79 | Minor | System slow when running too many reports | 47 ''' integer = Word(nums) SEP = Suppress('|') # use SkipTo to simply match everything up until the next SEP # - ignore quoted strings, so that a '|' character inside a quoted string does not match # - parse action will call token.strip() for each matched token, i.e., the description body string_data = SkipTo(SEP, ignore=quotedString) string_data.setParseAction(tokenMap(str.strip)) ticket_expr = (integer("issue_num") + SEP + string_data("sev") + SEP + string_data("desc") + SEP + integer("days_open")) for tkt in ticket_expr.searchString(report): print tkt.dump() prints:: ['101', 'Critical', 'Intermittent system crash', '6'] - days_open: 6 - desc: Intermittent system crash - issue_num: 101 - sev: Critical ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14'] - days_open: 14 - desc: Spelling error on Login ('log|n') - issue_num: 94 - sev: Cosmetic ['79', 'Minor', 'System slow when running too many reports', '47'] - days_open: 47 - desc: System slow when running too many reports - issue_num: 79 - sev: Minor FNc s` t t| ��|� || _d| _d| _|| _d| _t|t �rF| � |�| _ n|| _ dt | j � | _d S )NTFzNo match found for )rt rG r� � ignoreExprr� r� � includeMatchr� r� r r� �failOnr� r� r� )r� rS ZincluderR r rv r r r� @ s zSkipTo.__init__Tc C s" |}t |�}| j}| jj}| jd ur,| jjnd }| jd urB| jjnd } |} | |kr�|d urf||| �rfq�| d ur�z| || �} W qn ty� Y q�Y qn0 qnz||| ddd� W q� tt fy� | d7 } Y qJ0 q�qJt||| j | ��| }|||� } t | �} | j �r||||dd�\}} | | 7 } || fS )NF)r� r� r� r% ) r� r� r� r r� r r� r< r> r r� rA r )r� r� r� r� r� r� r� Z expr_parseZself_failOn_canParseNextZself_ignoreExpr_tryParseZtmplocZskiptextZ skipresultr� r r r r� M s: zSkipTo.parseImpl)FNN)Tr~ r r rv r rG s 9 rG c sn e Zd ZdZd� fdd� Zdd� Zdd� Zd d � Zd d � Zdd d�Z dd� Z � fdd�Z d� fdd� Z � Z S )r- a_ Forward declaration of an expression to be defined later - used for recursive grammars, such as algebraic infix notation. When the expression is known, it is assigned to the ``Forward`` variable using the '<<' operator. Note: take care when assigning to ``Forward`` not to overlook precedence of operators. Specifically, '|' has a lower precedence than '<<', so that:: fwdExpr << a | b | c will actually be evaluated as:: (fwdExpr << a) | b | c thereby leaving b and c out as parseable alternatives. It is recommended that you explicitly group the values inserted into the ``Forward``:: fwdExpr << (a | b | c) Converting to use the '<<=' operator instead will avoid this problem. See :class:`ParseResults.pprint` for an example of a recursive parser created using ``Forward``. Nc s t t| �j|dd� d S r{ )rt r- r� r\ rv r r r� � s zForward.__init__c C sj t |t�r| �|�}|| _d | _| jj| _| jj| _| �| jj� | jj | _ | jj | _ | j � | jj � | S r� ) r� r r� r� r� r� r� rP r� r� r� r� rN r\ r r r � __lshift__� s zForward.__lshift__c C s | |> S r� r r\ r r r � __ilshift__� s zForward.__ilshift__c C s d| _ | S r� rN r� r r r rO � s zForward.leaveWhitespacec C s$ | j s d| _ | jd ur | j�� | S r )r� r� r r� r r r r � s zForward.streamlinec C sJ |d u r g }| |vr<|d d � | g }| j d ur<| j �|� | �g � d S r� r r r r r rW � s zForward.validatec C s~ t | d�r| jS | jd ur | jS d| _d}z8| jd urJt| j�d d� }nd}W | jjd | | _n| jjd | | _0 | jS )Nr z: ...rs i� �Nonez: )r: r r� r� r� r� r )r� Z retStringr r r r� � s (zForward.__str__c s. | j d urtt| ��� S t� }|| K }|S d S r� )r� rt r- rR rl rv r r rR � s z Forward.copyFc s@ t jr.| jd u r.tjd�d|t| �j�dd� tt | �� ||�S )NzR{0}: setting results name {0!r} on {1} expression that has no contained expressionr r� r/ ) r r r� r3 r4 r� r� r rt r- r� r� rv r r r� � s ��zForward._setResultsName)N)N)F)r r r r� r� r r! rO r rW r� rR r� rz r r rv r r- | s r- c s" e Zd ZdZd� fdd� Z� ZS )rL zW Abstract subclass of :class:`ParseExpression`, for converting parsed results. Fc s t t| ��|� d| _d S r� )rt rL r� r� r rv r r r� � s zTokenConverter.__init__)Fr} r r rv r rL � s rL c s6 e Zd ZdZd � fdd� Z� fdd�Zdd � Z� ZS ) r( a� Converter to concatenate all matching tokens to a single string. By default, the matching patterns must also be contiguous in the input string; this can be disabled by specifying ``'adjacent=False'`` in the constructor. Example:: real = Word(nums) + '.' + Word(nums) print(real.parseString('3.1416')) # -> ['3', '.', '1416'] # will also erroneously match the following print(real.parseString('3. 1416')) # -> ['3', '.', '1416'] real = Combine(Word(nums) + '.' + Word(nums)) print(real.parseString('3.1416')) # -> ['3.1416'] # no match when there are internal spaces print(real.parseString('3. 1416')) # -> Exception: Expected W:(0123...) r� Tc s8 t t| ��|� |r | �� || _d| _|| _d| _d S r )rt r( r� rO �adjacentr� � joinStringr� )r� r� r$ r# rv r r r� s zCombine.__init__c s( | j rt�| |� ntt| ��|� | S r� )r# rC rR rt r( r\ rv r r rR s zCombine.ignorec C sP |� � }|d d �= |td�|�| j��g| jd�7 }| jrH|�� rH|gS |S d S )Nr� )r )rR rA r� rb r$ r� r� rD )r� r� r� r� ZretToksr r r r� s "zCombine.postParse)r� T)r r r r� r� rR r� rz r r rv r r( � s r( c s( e Zd ZdZ� fdd�Zdd� Z� ZS )r/ a Converter to return the matched tokens as a list - useful for returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions. Example:: ident = Word(alphas) num = Word(nums) term = ident | num func = ident + Optional(delimitedList(term)) print(func.parseString("fn a, b, 100")) # -> ['fn', 'a', 'b', '100'] func = ident + Group(Optional(delimitedList(term))) print(func.parseString("fn a, b, 100")) # -> ['fn', ['a', 'b', '100']] c s t t| ��|� d| _d S r )rt r/ r� r� r rv r r r� * s zGroup.__init__c C s |gS r� r r� r r r r� . s zGroup.postParse�r r r r� r� r� rz r r rv r r/ s r/ c s( e Zd ZdZ� fdd�Zdd� Z� ZS )r) a? Converter to return a repetitive expression as a list, but also as a dictionary. Each element can also be referenced using the first token in the expression as its key. Useful for tabular report scraping when the first column can be used as a item key. Example:: data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) text = "shape: SQUARE posn: upper left color: light blue texture: burlap" attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) # print attributes as plain groups print(OneOrMore(attr_expr).parseString(text).dump()) # instead of OneOrMore(expr), parse using Dict(OneOrMore(Group(expr))) - Dict will auto-assign names result = Dict(OneOrMore(Group(attr_expr))).parseString(text) print(result.dump()) # access named fields as dict entries, or output as dict print(result['shape']) print(result.asDict()) prints:: ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap'] [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] - color: light blue - posn: upper left - shape: SQUARE - texture: burlap SQUARE {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'} See more examples at :class:`ParseResults` of accessing fields by results name. c s t t| ��|� d| _d S r )rt r) r� r� r rv r r r� X s z Dict.__init__c C s� t |�D ]�\}}t|�dkr q|d }t|t�r@t|d ��� }t|�dkr\td|�||< qt|�dkr�t|d t�s�t|d |�||< q|�� }|d= t|�dks�t|t�r�|� � r�t||�||< qt|d |�||< q| j r�|gS |S d S )Nr r� r� r� ) r� r� r� r� r� r� r rA rR rD r� )r� r� r� r� r� �tokZikeyZ dictvaluer r r r� \ s$ zDict.postParser% r r rv r r) 1 s & r) c @ s e Zd ZdZdd� Zdd� ZdS )rJ a[ Converter for ignoring the results of a parsed expression. Example:: source = "a, b, c,d" wd = Word(alphas) wd_list1 = wd + ZeroOrMore(',' + wd) print(wd_list1.parseString(source)) # often, delimiters that are useful during parsing are just in the # way afterward - use Suppress to keep them out of the parsed output wd_list2 = wd + ZeroOrMore(Suppress(',') + wd) print(wd_list2.parseString(source)) prints:: ['a', ',', 'b', ',', 'c', ',', 'd'] ['a', 'b', 'c', 'd'] (See also :class:`delimitedList`.) c C s g S r� r r� r r r r� � s zSuppress.postParsec C s | S r� r r� r r r rM � s zSuppress.suppressN)r r r r� r� rM r r r r rJ u s rJ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r9 zDWrapper for parse actions, to ensure they are only called once. c C s t |�| _d| _d S r� )r� r� �called)r� Z methodCallr r r r� � s zOnlyOnce.__init__c C s. | j s | �|||�}d| _ |S t||d��d S )NTr� )r' r� r> )r� r� r� r� r� r r r rL � s zOnlyOnce.__call__c C s d| _ d S r� )r' r� r r r �reset� s zOnlyOnce.resetN)r r r r� r� rL r( r r r r r9 � s r9 c s8 t � �� � fdd�}z � j|_W n ty2 Y n0 |S )aq Decorator for debugging parse actions. When the parse action is called, this decorator will print ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``. When the parse action completes, the decorator will print ``"<<"`` followed by the returned value, or any exception that the parse action raised. Example:: wd = Word(alphas) @traceParseAction def remove_duplicate_chars(tokens): return ''.join(sorted(set(''.join(tokens)))) wds = OneOrMore(wd).setParseAction(remove_duplicate_chars) print(wds.parseString("slkdjs sld sldd sdlf sdljf")) prints:: >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {})) <<leaving remove_duplicate_chars (ret: 'dfjkls') ['dfjkls'] c s� � j }| dd � \}}}t| �dkr8| d jj d | }tj�d|t||�||f � z � | � }W n: ty� } z"tj�d||f � � W Y d }~n d }~0 0 tj�d||f � |S )Nr� r� r �.z">>entering %s(line: '%s', %d, %r) z <<leaving %s (exception: %s) z<<leaving %s (ret: %r) )r r� r� r� �stderrrj rg r� )ZpaArgsZthisFuncr� r� r� r� r� �r[ r r �z� s ztraceParseAction.<locals>.z)r� r r� )r[ r, r r+ r r� � s r� �,c C s` t | �d t |� d t | � d }|rBt| t|| � ��|�S | tt|�| � �|�S dS )a� Helper to define a delimited list of expressions - the delimiter defaults to ','. By default, the list elements and delimiters can have intervening whitespace, and comments, but this can be overridden by passing ``combine=True`` in the constructor. If ``combine`` is set to ``True``, the matching tokens are returned as a single token string, with the delimiters included; otherwise, the matching tokens are returned as a list of tokens, with the delimiters suppressed. Example:: delimitedList(Word(alphas)).parseString("aa,bb,cc") # -> ['aa', 'bb', 'cc'] delimitedList(Word(hexnums), delim=':', combine=True).parseString("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE'] z [r� r N)r� r( rQ r� rJ )r� �delim�combineZdlNamer r r r` � s $r` c sj t � � � �fdd�}|du r0tt��dd� �}n|�� }|�d� |j|dd� |� �d t�� d �S ) a> Helper to define a counted list of expressions. This helper defines a pattern of the form:: integer expr expr expr... where the leading integer tells how many expr expressions follow. The matched tokens returns the array of expr tokens as a list - the leading count token is suppressed. If ``intExpr`` is specified, it should be a pyparsing expression that produces an integer value. Example:: countedArray(Word(alphas)).parseString('2 ab cd ef') # -> ['ab', 'cd'] # in this parser, the leading integer value is given in binary, # '10' indicating that 2 values are in the array binaryConstant = Word('01').setParseAction(lambda t: int(t[0], 2)) countedArray(Word(alphas), intExpr=binaryConstant).parseString('10 ab cd ef') # -> ['ab', 'cd'] c s. |d }� |r t t�g| ��p&t t�> g S r )r/ r$ rc )r� r� r� r= �Z arrayExprr� r r �countFieldParseAction� s "z+countedArray.<locals>.countFieldParseActionNc S s t | d �S r )r� r� r r r r� r z countedArray.<locals>.<lambda>ZarrayLenT�r� z(len) rs )r- rN rr r� rR r� r� r� )r� ZintExprr1 r r0 r r\ � s r\ c C s6 g }| D ](}t |t�r&|�t|�� q|�|� q|S r� )r� r rN r+ r� )�Lr� r� r r r r+ s r+ c s6 t � � � fdd�}| j|dd� � �dt| � � � S )a4 Helper to define an expression that is indirectly defined from the tokens matched in a previous expression, that is, it looks for a 'repeat' of a previous expression. For example:: first = Word(nums) second = matchPreviousLiteral(first) matchExpr = first + ":" + second will match ``"1:1"``, but not ``"1:2"``. Because this matches a previous literal, will also match the leading ``"1:1"`` in ``"1:10"``. If this is not desired, use :class:`matchPreviousExpr`. Do *not* use with packrat parsing enabled. c sP |rBt |�dkr � |d > qLt|�� �}� tdd� |D ��> n � t� > d S )Nr� r c s s | ]}t |�V qd S r� )r3 �r �ttr r r r� * r zDmatchPreviousLiteral.<locals>.copyTokenToRepeater.<locals>.<genexpr>)r� r+ r r$ r+ )r� r� r� Ztflat�Zrepr r �copyTokenToRepeater# s z1matchPreviousLiteral.<locals>.copyTokenToRepeaterTr2 �(prev) )r- r� r� r� )r� r7 r r6 r ro s ro c sF t � � | �� }� |K � � fdd�}| j|dd� � �dt| � � � S )aT Helper to define an expression that is indirectly defined from the tokens matched in a previous expression, that is, it looks for a 'repeat' of a previous expression. For example:: first = Word(nums) second = matchPreviousExpr(first) matchExpr = first + ":" + second will match ``"1:1"``, but not ``"1:2"``. Because this matches by expressions, will *not* match the leading ``"1:1"`` in ``"1:10"``; the expressions are evaluated first, and then compared, so ``"1"`` is compared with ``"10"``. Do *not* use with packrat parsing enabled. c s* t |�� �� � fdd�}�j|dd� d S )Nc s$ t |�� �}|� kr tddd��d S )Nr� r )r+ r r> )r� r� r� Z theseTokens�Z matchTokensr r �mustMatchTheseTokensE s zLmatchPreviousExpr.<locals>.copyTokenToRepeater.<locals>.mustMatchTheseTokensTr2 )r+ r r� )r� r� r� r: r6 r9 r r7 C s z.matchPreviousExpr.<locals>.copyTokenToRepeaterTr2 r8 )r- rR r� r� r� )r� �e2r7 r r6 r rn 1 s rn c C s: dD ]}| � |t| �} q| � dd�} | � dd�} t| �S )Nz\^-[]r� rf r� r� )r� �_bslashr� )r� r� r r r r� N s r� c s� t |t�rtjddd� |r:dd� }dd� }|r4tnt� n dd� }dd� }|rRtnt� g }t | t�rn| �� }n$t | t �r�t | �}ntjd t dd� |s�t � S |�s.d }|t |�d k �r.|| }t||d d � �D ]N\} } || |�r�||| d = q�q�||| �r�||| d = |�|| � q�q�|d 7 }q�|�s�|�s�|�r�zlt |�t d �|��k�r�tdd �dd� |D �� ��d�|��W S td�dd� |D ����d�|��W S W n$ t�y� tjdt dd� Y n0 t� fdd�|D ���d�|��S )a� Helper to quickly define a set of alternative Literals, and makes sure to do longest-first testing when there is a conflict, regardless of the input order, but returns a :class:`MatchFirst` for best performance. Parameters: - strs - a string of space-delimited literals, or a collection of string literals - caseless - (default= ``False``) - treat all literals as caseless - useRegex - (default= ``True``) - as an optimization, will generate a Regex object; otherwise, will generate a :class:`MatchFirst` object (if ``caseless=True`` or ``asKeyword=True``, or if creating a :class:`Regex` raises an exception) - asKeyword - (default=``False``) - enforce Keyword-style matching on the generated expressions Example:: comp_oper = oneOf("< = > <= >= !=") var = Word(alphas) number = Word(nums) term = var | number comparison_expr = term + comp_oper + term print(comparison_expr.searchString("B = 12 AA=23 B<=AA AA>12")) prints:: [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']] z_More than one string argument passed to oneOf, pass choices as a list or space-delimited stringr� r/ c S s | � � |� � kS r� )r� �rU �br r r r� { r zoneOf.<locals>.<lambda>c S s |� � �| � � �S r� )r� r r= r r r r� | r c S s | |kS r� r r= r r r r� r c S s |� | �S r� r r= r r r r� � r z6Invalid argument to oneOf, expected string or iterabler r� Nr� r� c s s | ]}t |�V qd S r� )r� �r Zsymr r r r� � r zoneOf.<locals>.<genexpr>r �|c s s | ]}t �|�V qd S r� )r� r� r? r r r r� � r z7Exception creating Regex for oneOf, building MatchFirstc 3 s | ]}� |�V qd S r� r r? �ZparseElementClassr r r� � r )r� r r3 r4 r% r& r0 r3 r� r r r5 r6 r� r� rK r� rF r� r� r5 ) Zstrsr� ZuseRegexr� ZisequalZmasksZsymbolsr� Zcurr, rS r rA r rs V sX � � **� rs c C s t tt| | ���S )a� Helper to easily and clearly define a dictionary by specifying the respective patterns for the key and value. Takes care of defining the :class:`Dict`, :class:`ZeroOrMore`, and :class:`Group` tokens in the proper order. The key pattern can include delimiting markers or punctuation, as long as they are suppressed, thereby leaving the significant key text. The value pattern can include named results, so that the :class:`Dict` results can include named token fields. Example:: text = "shape: SQUARE posn: upper left color: light blue texture: burlap" attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) print(OneOrMore(attr_expr).parseString(text).dump()) attr_label = label attr_value = Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join) # similar to Dict, but simpler call format result = dictOf(attr_label, attr_value).parseString(text) print(result.dump()) print(result['shape']) print(result.shape) # object attribute access works too print(result.asDict()) prints:: [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] - color: light blue - posn: upper left - shape: SQUARE - texture: burlap SQUARE SQUARE {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'} )r) r8 r/ )rI r- r r r ra � s %ra c C s^ t � �dd� �}|�� }d|_|d�| |d� }|r@dd� }ndd� }|�|� | j|_|S ) a� Helper to return the original, untokenized text for a given expression. Useful to restore the parsed fields of an HTML start tag into the raw tag text itself, or to revert separate tokens with intervening whitespace back to the original matching input text. By default, returns astring containing the original parsed text. If the optional ``asString`` argument is passed as ``False``, then the return value is a :class:`ParseResults` containing any results names that were originally matched, and a single token containing the original matched text from the input string. So if the expression passed to :class:`originalTextFor` contains expressions with defined results names, you must set ``asString`` to ``False`` if you want to preserve those results name values. Example:: src = "this is test <b> bold <i>text</i> </b> normal text " for tag in ("b", "i"): opener, closer = makeHTMLTags(tag) patt = originalTextFor(opener + SkipTo(closer) + closer) print(patt.searchString(src)[0]) prints:: ['<b> bold <i>text</i> </b>'] ['<i>text</i>'] c S s |S r� r )r� r� r� r r r r� � r z!originalTextFor.<locals>.<lambda>F�_original_start� _original_endc S s | |j |j� S r� )rB rC r� r r r r� � r c S s& | |� d�|� d�� g|d d �< d S )NrB rC )rH r� r r r � extractText� s z$originalTextFor.<locals>.extractText)r+ r� rR r� r� )r� ZasStringZ locMarkerZ endlocMarker� matchExprrD r r r r� � s r� c C s t | ��dd� �S )zkHelper to undo pyparsing's default grouping of And expressions, even if all but one are non-empty. c S s | d S r r r� r r r r� r zungroup.<locals>.<lambda>)rL r� )r� r r r r� � s r� c C s4 t � �dd� �}t|d�| d� |�� �� d� �S )a� Helper to decorate a returned token with its starting and ending locations in the input string. This helper adds the following results names: - locn_start = location where matched expression begins - locn_end = location where matched expression ends - value = the actual parsed results Be careful if the input text contains ``<TAB>`` characters, you may want to call :class:`ParserElement.parseWithTabs` Example:: wd = Word(alphas) for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"): print(match) prints:: [[0, 'ljsdf', 5]] [[8, 'lksdjjf', 15]] [[18, 'lkkjj', 23]] c S s |S r� r r� r r r r� r z locatedExpr.<locals>.<lambda>Z locn_startr- Zlocn_end)r+ r� r/ rR rO )r� Zlocatorr r r r� s r� rc ri rh r� r� z\[]-*.$+^?()~ �r� c C s |d d S r& r r� r r r r� ( r r� z\\0?[xX][0-9a-fA-F]+c C s t t|d �d�d��S )Nr z\0xr� )�unichrr� rk r� r r r r� ) r z \\0[0-7]+c C s t t|d dd � d��S )Nr r� � )rG r� r� r r r r� * r z\]r� r^ r� �negate�bodyra c sD dd� � z"d� � fdd�t�| �jD ��W S ty> Y dS 0 dS )a Helper to easily define string ranges for use in Word construction. Borrows syntax from regexp '[]' string range definitions:: srange("[0-9]") -> "0123456789" srange("[a-z]") -> "abcdefghijklmnopqrstuvwxyz" srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_" The input string must be enclosed in []'s, and the returned string is the expanded character set joined into a single string. The values enclosed in the []'s may be: - a single character - an escaped character with a leading backslash (such as ``\-`` or ``\]``) - an escaped hex character with a leading ``'\x'`` (``\x21``, which is a ``'!'`` character) (``\0x##`` is also supported for backwards compatibility) - an escaped octal character with a leading ``'\0'`` (``\041``, which is a ``'!'`` character) - a range of any of the above, separated by a dash (``'a-z'``, etc.) - any combination of the above (``'aeiouy'``, ``'a-zA-Z0-9_$'``, etc.) c S s< t | t�s| S d�dd� tt| d �t| d �d �D ��S )Nr� c s s | ]}t |�V qd S r� �rG r� r r r r� I r z+srange.<locals>.<lambda>.<locals>.<genexpr>r r� )r� rA r� r' �ord)�pr r r r� I r zsrange.<locals>.<lambda>r� c 3 s | ]}� |�V qd S r� r )r �part�Z _expandedr r r� K r zsrange.<locals>.<genexpr>N)r� �_reBracketExprr$ rJ r� r� r rO r r / s " r c s � fdd�}|S )zoHelper method for defining parse actions that require matching at a specific column in the input text. c s" t || �� kr t| |d� ��d S )Nz matched token not at column %dr� )r� Zlocnr� r< r r � verifyColS s z!matchOnlyAtCol.<locals>.verifyColr )r= rQ r r< r rm O s rm c s � fdd�S )a� Helper method for common parse actions that simply return a literal value. Especially useful when used with :class:`transformString<ParserElement.transformString>` (). Example:: num = Word(nums).setParseAction(lambda toks: int(toks[0])) na = oneOf("N/A NA").setParseAction(replaceWith(math.nan)) term = na | num OneOrMore(term).parseString("324 234 N/A 234") # -> [324, 234, nan, 234] c s � gS r� r r� �ZreplStrr r r� e r z replaceWith.<locals>.<lambda>r rR r rR r r| X s r| c C s |d dd� S )a Helper parse action for removing quotation marks from parsed quoted strings. Example:: # by default, quotation marks are included in parsed results quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"] # use removeQuotes to strip quotation marks from parsed results quotedString.setParseAction(removeQuotes) quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"] r r� r� r r� r r r rz g s rz c sL � �fdd�}zt �dt �d�j�}W n ty@ t��}Y n0 ||_|S )aL Helper to define a parse action by mapping a function to all elements of a ParseResults list. If any additional args are passed, they are forwarded to the given function as additional arguments after the token, as in ``hex_integer = Word(hexnums).setParseAction(tokenMap(int, 16))``, which will convert the parsed data to an integer using base 16. Example (compare the last to example in :class:`ParserElement.transformString`:: hex_ints = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16)) hex_ints.runTests(''' 00 11 22 aa FF 0a 0d 1a ''') upperword = Word(alphas).setParseAction(tokenMap(str.upper)) OneOrMore(upperword).runTests(''' my kingdom for a horse ''') wd = Word(alphas).setParseAction(tokenMap(str.title)) OneOrMore(wd).setParseAction(' '.join).runTests(''' now is the winter of our discontent made glorious summer by this sun of york ''') prints:: 00 11 22 aa FF 0a 0d 1a [0, 17, 34, 170, 255, 10, 13, 26] my kingdom for a horse ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE'] now is the winter of our discontent made glorious summer by this sun of york ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York'] c s � �fdd�|D �S )Nc s g | ]}�|g� �R � �qS r r )r Ztokn�r� r� r r r � r z(tokenMap.<locals>.pa.<locals>.<listcomp>r r� rS r r r� � s ztokenMap.<locals>.par r� )r� r r� r� )r� r� r� r� r rS r r� v s $ � r� c C s t | ��� S r� �r� r� r� r r r r� � r c C s t | ��� S r� �r� �lowerr� r r r r� � r ro rp c s~ t | t�r | � t| | d�} n| j� tttd �}|r�t�� � t �}|| d� t t t |td� | ��� tddgd�d�� d d � � | }nlt�� � t �ttd d �B }|| d� t t t |� t�ttd�| � ��� tddgd�d�� d d � � | }ttd�| d dd�}|�d� � |�� fdd �� |dd�� �dd��� �� � ��d� �}� |_� |_t |� �|_ ||fS )zRInternal helper to construct opening and closing tag expressions, given a tag namer� z_-:�tag�=�/F�rE rc c S s |d dkS �Nr rY r r� r r r r� � r z_makeTags.<locals>.<lambda>rp r� c S s |d dkS r[ r r� r r r r� � r rq )r# z<%s>c s* | � dd�� �dd��� �� � | �� �S )Nr� r� �:r� )r% r� r� �titler� rR r� �Zresnamer r r� � r r� r� r\ r� z</%s>) r� r r0 r rN rT rS r^ rR r� rz r) rQ r/ rJ r: ry rv rb r( �_Lr� r� r� r� r] r� rW rG Ztag_body)�tagStrZxmlZ suppress_LTZ suppress_GTZ tagAttrNameZ tagAttrValueZopenTagZcloseTagr r^ r � _makeTags� sH ���������, ra c C s t | d�S )aK Helper to construct opening and closing tag expressions for HTML, given a tag name. Matches tags in either upper or lower case, attributes with namespaces and with quoted or unquoted values. Example:: text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' # makeHTMLTags returns pyparsing expressions for the opening and # closing tags as a 2-tuple a, a_end = makeHTMLTags("A") link_expr = a + SkipTo(a_end)("link_text") + a_end for link in link_expr.searchString(text): # attributes in the <A> tag (like "href" shown here) are # also accessible as named results print(link.link_text, '->', link.href) prints:: pyparsing -> https://github.com/pyparsing/pyparsing/wiki F�ra �r` r r r rk � s rk c C s t | d�S )z�Helper to construct opening and closing tag expressions for XML, given a tag name. Matches tags only in the given upper/lower case. Example: similar to :class:`makeHTMLTags` Trb rc r r r rl � s rl c s8 | r| dd� � n|� � � dd� � D �� � fdd�}|S )a7 Helper to create a validating parse action to be used with start tags created with :class:`makeXMLTags` or :class:`makeHTMLTags`. Use ``withAttribute`` to qualify a starting tag with a required attribute value, to avoid false matches on common tags such as ``<TD>`` or ``<DIV>``. Call ``withAttribute`` with a series of attribute names and values. Specify the list of filter attributes names and values as: - keyword arguments, as in ``(align="right")``, or - as an explicit dict with ``**`` operator, when an attribute name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}`` - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))`` For attribute names with a namespace prefix, you must use the second form. Attribute names are matched insensitive to upper/lower case. If just testing for ``class`` (with or without a namespace), use :class:`withClass`. To verify that the attribute exists, but without specifying a value, pass ``withAttribute.ANY_VALUE`` as the value. Example:: html = ''' <div> Some text <div type="grid">1 4 0 1 0</div> <div type="graph">1,3 2,3 1,1</div> <div>this has no type</div> </div> ''' div,div_end = makeHTMLTags("div") # only match div tag having a type attribute with value "grid" div_grid = div().setParseAction(withAttribute(type="grid")) grid_expr = div_grid + SkipTo(div | div_end)("body") for grid_header in grid_expr.searchString(html): print(grid_header.body) # construct a match with any div tag having a type attribute, regardless of the value div_any_type = div().setParseAction(withAttribute(type=withAttribute.ANY_VALUE)) div_expr = div_any_type + SkipTo(div | div_end)("body") for div_header in div_expr.searchString(html): print(div_header.body) prints:: 1 4 0 1 0 1 4 0 1 0 1,3 2,3 1,1 Nc S s g | ]\}}||f�qS r r rj r r r r / r z!withAttribute.<locals>.<listcomp>c sZ � D ]P\}}||vr$t | |d| ��|tjkr|| |krt | |d||| |f ��qd S )Nzno matching attribute z+attribute '%s' has value '%s', must be '%s')r> r� � ANY_VALUE)r� r� r� ZattrNameZ attrValue��attrsr r r� 0 s �zwithAttribute.<locals>.pa)r* )r� ZattrDictr� r re r r� � s 8 r� c C s" |r d| nd}t f i || i��S )a� Simplified version of :class:`withAttribute` when matching on a div class - made difficult because ``class`` is a reserved word in Python. Example:: html = ''' <div> Some text <div class="grid">1 4 0 1 0</div> <div class="graph">1,3 2,3 1,1</div> <div>this <div> has no class</div> </div> ''' div,div_end = makeHTMLTags("div") div_grid = div().setParseAction(withClass("grid")) grid_expr = div_grid + SkipTo(div | div_end)("body") for grid_header in grid_expr.searchString(html): print(grid_header.body) div_any_type = div().setParseAction(withClass(withAttribute.ANY_VALUE)) div_expr = div_any_type + SkipTo(div | div_end)("body") for div_header in div_expr.searchString(html): print(div_header.body) prints:: 1 4 0 1 0 1 4 0 1 0 1,3 2,3 1,1 z%s:class�class)r� )Z classname� namespaceZ classattrr r r r� : s #r� �(r� c C s� G dd� dt �}t� }| || | B }t|�D �]r\}}|d dd� \} } } } | dk r`d| nd| } | dkr�| du s�t| �d kr�td ��| \}}t� �| �}| tjk�rt| d kr�||| �t|t | � � }n�| d k�r*| du�r ||| | �t|t | | � � }n ||| �t|t |� � }nH| dk�rj||| | | | �t|t || | | � � }ntd ��n�| tj k�rX| d k�r�t | t ��s�t | �} || j | �t| | � }n�| d k�r| du�r�||| | �t|t | | � � }n ||| �t|t |� � }nD| dk�rN||| | | | �t|| | | | � }ntd ��ntd ��| �r�t | ttf��r�|j| � n |�| � ||�| �|B K }|}q.||K }|S )al Helper method for constructing grammars of expressions made up of operators working in a precedence hierarchy. Operators may be unary or binary, left- or right-associative. Parse actions can also be attached to operator expressions. The generated parser will also recognize the use of parentheses to override operator precedences (see example below). Note: if you define a deep operator list, you may see performance issues when using infixNotation. See :class:`ParserElement.enablePackrat` for a mechanism to potentially improve your parser performance. Parameters: - baseExpr - expression representing the most basic element for the nested - opList - list of tuples, one for each operator precedence level in the expression grammar; each tuple is of the form ``(opExpr, numTerms, rightLeftAssoc, parseAction)``, where: - opExpr is the pyparsing expression for the operator; may also be a string, which will be converted to a Literal; if numTerms is 3, opExpr is a tuple of two expressions, for the two operators separating the 3 terms - numTerms is the number of terms for this operator (must be 1, 2, or 3) - rightLeftAssoc is the indicator whether the operator is right or left associative, using the pyparsing-defined constants ``opAssoc.RIGHT`` and ``opAssoc.LEFT``. - parseAction is the parse action to be associated with expressions matching this operator expression (the parse action tuple member may be omitted); if the parse action is passed a tuple or list of functions, this is equivalent to calling ``setParseAction(*fn)`` (:class:`ParserElement.setParseAction`) - lpar - expression for matching left-parentheses (default= ``Suppress('(')``) - rpar - expression for matching right-parentheses (default= ``Suppress(')')``) Example:: # simple example of four-function arithmetic with ints and # variable names integer = pyparsing_common.signed_integer varname = pyparsing_common.identifier arith_expr = infixNotation(integer | varname, [ ('-', 1, opAssoc.RIGHT), (oneOf('* /'), 2, opAssoc.LEFT), (oneOf('+ -'), 2, opAssoc.LEFT), ]) arith_expr.runTests(''' 5+3*6 (5+3)*6 -2--11 ''', fullDump=False) prints:: 5+3*6 [[5, '+', [3, '*', 6]]] (5+3)*6 [[[5, '+', 3], '*', 6]] -2--11 [[['-', 2], '-', ['-', 11]]] c @ s e Zd Zddd�ZdS )zinfixNotation.<locals>._FBTc S s | j �||� |g fS r� )r� r� r� r r r r� � s z$infixNotation.<locals>._FB.parseImplN)Tr� r r r r �_FB� s rj r� Nr� r� z%s termz %s%s termr� z@if numterms=3, opExpr must be a tuple or list of two expressionsr� z6operator must be unary (1), binary (2), or ternary (3)z2operator must indicate right or left associativity)r, r- r� r� rA r� rt �LEFTr/ r8 �RIGHTr� r: r� r@ r r� )ZbaseExprZopListZlparZrparrj r� ZlastExprr� ZoperDefZopExprZarityZrightLeftAssocr� ZtermNameZopExpr1ZopExpr2ZthisExprrE r r r r� d s` H� & � & � r� z4"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*�"z string enclosed in double quotesz4'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*�'z string enclosed in single quotesz*quotedString using single or double quotes�uzunicode string literalc C s� | |krt d��|du �r*t| t��r"t|t��r"t| �dkr�t|�dkr�|dur�tt| t| | tj dd� ��� dd� �}n$t � � t| | tj �� dd� � }nx|dur�tt| t | � t |� ttjdd� ��� dd� �}n4ttt | � t |� ttjdd� ��� d d� �}nt d ��t � }|du�rd|tt| �t||B |B � t|� �K }n$|tt| �t||B � t|� �K }|�d | |f � |S ) a� Helper method for defining nested lists enclosed in opening and closing delimiters ("(" and ")" are the default). Parameters: - opener - opening character for a nested list (default= ``"("``); can also be a pyparsing expression - closer - closing character for a nested list (default= ``")"``); can also be a pyparsing expression - content - expression for items within the nested lists (default= ``None``) - ignoreExpr - expression for ignoring opening and closing delimiters (default= :class:`quotedString`) If an expression is not provided for the content argument, the nested expression will capture all whitespace-delimited content between delimiters as a list of separate values. Use the ``ignoreExpr`` argument to define expressions that may contain opening or closing characters that should not be treated as opening or closing characters for nesting, such as quotedString or a comment expression. Specify multiple expressions using an :class:`Or` or :class:`MatchFirst`. The default is :class:`quotedString`, but if no expressions are to be ignored, then pass ``None`` for this argument. Example:: data_type = oneOf("void int short long char float double") decl_data_type = Combine(data_type + Optional(Word('*'))) ident = Word(alphas+'_', alphanums+'_') number = pyparsing_common.number arg = Group(decl_data_type + ident) LPAR, RPAR = map(Suppress, "()") code_body = nestedExpr('{', '}', ignoreExpr=(quotedString | cStyleComment)) c_function = (decl_data_type("type") + ident("name") + LPAR + Optional(delimitedList(arg), [])("args") + RPAR + code_body("body")) c_function.ignore(cStyleComment) source_code = ''' int is_odd(int x) { return (x%2); } int dec_to_hex(char hchar) { if (hchar >= '0' && hchar <= '9') { return (ord(hchar)-ord('0')); } else { return (10+ord(hchar)-ord('A')); } } ''' for func in c_function.searchString(source_code): print("%(name)s (%(type)s) args: %(args)s" % func) prints:: is_odd (int) args: [['int', 'x']] dec_to_hex (int) args: [['char', 'hchar']] z.opening and closing strings cannot be the sameNr� rF c S s | d � � S r �r� r� r r r r� ; r z nestedExpr.<locals>.<lambda>c S s | d � � S r rp r� r r r r� @ r c S s | d � � S r rp r� r r r r� G r c S s | d � � S r rp r� r r r r� L r zOopening and closing arguments must be strings if no content expression is givenznested %s%s expression)rA r� r r� r( r8 r' rC r� r� rc rR r3 r- r/ rJ rQ r� )�openerZcloserZcontentr r� r r r rp � s` A ����� ����� �� � �� *$rp c s& �dd� � � �fdd���fdd�}�fdd�}�fdd �}t t� �d ��� t� d �}t� t� �|� �d �}t� �|��d �}t� �|��d�} |r�tt |�| t |t| � t |� t� d � | �} n.tt |�t |t| � t |� t� d � | �} | � �fdd�� | � t t� � | �d�S )a� Helper method for defining space-delimited indentation blocks, such as those used to define block statements in Python source code. Parameters: - blockStatementExpr - expression defining syntax of statement that is repeated within the indented block - indentStack - list created by caller to manage indentation stack (multiple statementWithIndentedBlock expressions within a single grammar should share a common indentStack) - indent - boolean indicating whether block must be indented beyond the current level; set to False for block of left-most statements (default= ``True``) A valid block must contain at least one ``blockStatement``. Example:: data = ''' def A(z): A1 B = 100 G = A2 A2 A3 B def BB(a,b,c): BB1 def BBA(): bba1 bba2 bba3 C D def spam(x,y): def eggs(z): pass ''' indentStack = [1] stmt = Forward() identifier = Word(alphas, alphanums) funcDecl = ("def" + identifier + Group("(" + Optional(delimitedList(identifier)) + ")") + ":") func_body = indentedBlock(stmt, indentStack) funcDef = Group(funcDecl + func_body) rvalue = Forward() funcCall = Group(identifier + "(" + Optional(delimitedList(rvalue)) + ")") rvalue << (funcCall | identifier | Word(nums)) assignment = Group(identifier + "=" + rvalue) stmt << (funcDef | assignment | identifier) module_body = OneOrMore(stmt) parseTree = module_body.parseString(data) parseTree.pprint() prints:: [['def', 'A', ['(', 'z', ')'], ':', [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]], 'B', ['def', 'BB', ['(', 'a', 'b', 'c', ')'], ':', [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]], 'C', 'D', ['def', 'spam', ['(', 'x', 'y', ')'], ':', [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]] Nc s � �d d �< d S r� r r )� backup_stack� indentStackr r � reset_stack� s z"indentedBlock.<locals>.reset_stackc sN |t | �krd S t|| �}|� d krJ|� d kr>t| |d��t| |d��d S )Nr� zillegal nestingznot a peer entry)r� rY r> �r� r� r� ZcurCol�rs r r �checkPeerIndent� s z&indentedBlock.<locals>.checkPeerIndentc s2 t || �}|� d kr"� �|� n t| |d��d S )Nr� znot a subentry)rY r� r> ru rv r r �checkSubIndent� s z%indentedBlock.<locals>.checkSubIndentc sJ |t | �krd S t|| �}� r&|� v s2t| |d��|� d k rF� �� d S )Nznot an unindentr� )r� rY r> rH ru rv r r � checkUnindent� s z$indentedBlock.<locals>.checkUnindentz r �INDENTr� ZUNINDENTc s � � S r� r )rU r> r� r� )rt r r r� � r z indentedBlock.<locals>.<lambda>zindented block) r8 r1 rP rM rH r+ r� r� r/ r: r� rR r< ) ZblockStatementExprrs rs rw rx ry r� rz ZPEERZUNDENTZsmExprr )rr rs rt r r� W s2 Q � �� ��r� z#[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]z[\0xa1-\0xbf\0xd7\0xf7]z_:zany tagzgt lt amp nbsp quot aposz><& "'z &(?P<entity>r@ z);zcommon HTML entityc C s t �| j�S )zRHelper parser action to replace common HTML entities with their special characters)�_htmlEntityMapr� Zentityr� r r r r{ � s r{ z/\*(?:[^*]|\*(?!/))*z*/zC style commentz<!--[\s\S]*?-->z HTML commentz.*z rest of linez//(?:\\\n|[^\n])*z // commentzC++ style commentz#.*zPython style commentr� � � commaItemrZ rZ c @ s� e Zd ZdZee�Zee�Ze e �� d�� e�Z e e�� d�� eed��Zed�� d�� e�Ze� � e�d e� � e� � d�Ze�d d � � eeeed ��� e � B � d �Ze�e� ed �� d�� e�Zed�� d�� e�ZeeB eB �� Zed�� d�� e�Z e e d e d �� d�Z ed�� d�Z ed�� d�Z!e!de! d � d�Z"ee!de! d �d ee!de! d � � d �Z#e#�$d d � � d e � d!�Z%e&e"e%B e#B � d"��� d"�Z'ed#�� d$�Z(e)d=d&d'��Z*e)d>d)d*��Z+ed+�� d,�Z,ed-�� d.�Z-ed/�� d0�Z.e/�� e0�� B Z1e)d1d2� �Z2e&e3e4d3� e5� e e6d3d4� ee7d5�� ���� � d6�Z8e9ee:�;� e8B d7d8��� d9�Z<e)ed:d � ��Z=e)ed;d � ��Z>d<S )?r� a Here are some common low-level expressions that may be useful in jump-starting parser development: - numeric forms (:class:`integers<integer>`, :class:`reals<real>`, :class:`scientific notation<sci_real>`) - common :class:`programming identifiers<identifier>` - network addresses (:class:`MAC<mac_address>`, :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`) - ISO8601 :class:`dates<iso8601_date>` and :class:`datetime<iso8601_datetime>` - :class:`UUID<uuid>` - :class:`comma-separated list<comma_separated_list>` Parse actions: - :class:`convertToInteger` - :class:`convertToFloat` - :class:`convertToDate` - :class:`convertToDatetime` - :class:`stripHTMLTags` - :class:`upcaseTokens` - :class:`downcaseTokens` Example:: pyparsing_common.number.runTests(''' # any int or real number, returned as the appropriate type 100 -100 +100 3.14159 6.02e23 1e-12 ''') pyparsing_common.fnumber.runTests(''' # any int or real number, returned as float 100 -100 +100 3.14159 6.02e23 1e-12 ''') pyparsing_common.hex_integer.runTests(''' # hex numbers 100 FF ''') pyparsing_common.fraction.runTests(''' # fractions 1/2 -3/4 ''') pyparsing_common.mixed_integer.runTests(''' # mixed fractions 1 1/2 -3/4 1-3/4 ''') import uuid pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID)) pyparsing_common.uuid.runTests(''' # uuid 12345678-1234-5678-1234-567812345678 ''') prints:: # any int or real number, returned as the appropriate type 100 [100] -100 [-100] +100 [100] 3.14159 [3.14159] 6.02e23 [6.02e+23] 1e-12 [1e-12] # any int or real number, returned as float 100 [100.0] -100 [-100.0] +100 [100.0] 3.14159 [3.14159] 6.02e23 [6.02e+23] 1e-12 [1e-12] # hex numbers 100 [256] FF [255] # fractions 1/2 [0.5] -3/4 [-0.75] # mixed fractions 1 [1] 1/2 [0.5] -3/4 [-0.75] 1-3/4 [1.75] # uuid 12345678-1234-5678-1234-567812345678 [UUID('12345678-1234-5678-1234-567812345678')] �integerz hex integerr� z[+-]?\d+zsigned integerrY �fractionc C s | d | d S )Nr r� r r� r r r r� � r zpyparsing_common.<lambda>r� z"fraction or mixed integer-fractionz[+-]?(?:\d+\.\d*|\.\d+)z real numberz@[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)z$real number with scientific notationz [+-]?\d+\.?\d*([eE][+-]?\d+)?�fnumberr � identifierzK(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}z IPv4 addressz[0-9a-fA-F]{1,4}� hex_integerr\ � zfull IPv6 address)r r� z::zshort IPv6 addressc C s t dd� | D ��dk S )Nc s s | ]}t j�|�rd V qdS rm )r� � _ipv6_partr' r4 r r r r� � r z,pyparsing_common.<lambda>.<locals>.<genexpr>rH )r r� r r r r� � r z::ffff:zmixed IPv6 addressz IPv6 addressz:[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}z MAC address�%Y-%m-%dc s � fdd�}|S )a� Helper to create a parse action for converting parsed date string to Python datetime.date Params - - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``) Example:: date_expr = pyparsing_common.iso8601_date.copy() date_expr.setParseAction(pyparsing_common.convertToDate()) print(date_expr.parseString("1999-12-31")) prints:: [datetime.date(1999, 12, 31)] c sP zt �|d � ��� W S tyJ } z t| |t|���W Y d }~n d }~0 0 d S r )r �strptime�daterA r> r� �r� r� r� �ve��fmtr r �cvt_fn� s z.pyparsing_common.convertToDate.<locals>.cvt_fnr �r� r� r r� r � convertToDate� s z pyparsing_common.convertToDate�%Y-%m-%dT%H:%M:%S.%fc s � fdd�}|S )a Helper to create a parse action for converting parsed datetime string to Python datetime.datetime Params - - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``) Example:: dt_expr = pyparsing_common.iso8601_datetime.copy() dt_expr.setParseAction(pyparsing_common.convertToDatetime()) print(dt_expr.parseString("1999-12-31T23:59:59.999")) prints:: [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)] c sL zt �|d � �W S tyF } z t| |t|���W Y d }~n d }~0 0 d S r )r r� rA r> r� r� r� r r r� � s z2pyparsing_common.convertToDatetime.<locals>.cvt_fnr r� r r� r �convertToDatetime� s z"pyparsing_common.convertToDatetimez7(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?z ISO8601 datez�(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?zISO8601 datetimez2[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}�UUIDc C s t j�|d �S )a Parse action to remove HTML tags from web page HTML source Example:: # strip HTML links from normal text text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' td, td_end = makeHTMLTags("TD") table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end print(table_text.parseString(text).body) Prints:: More info at the pyparsing wiki page r )r� �_html_stripperr� )r� r� r� r r r � stripHTMLTags s z pyparsing_common.stripHTMLTagsr- r� r| r} r� rZ zcomma separated listc C s t | ��� S r� rT r� r r r r� # r c C s t | ��� S r� rU r� r r r r� & r N)r� )r� )?r r r r� r� r� ZconvertToInteger�floatZconvertToFloatrN rr r� r� r~ rd r� rF Zsigned_integerr r� r: rM Z mixed_integerr �realZsci_realr �numberr� rT rS r� Z ipv4_addressr� Z_full_ipv6_addressZ_short_ipv6_addressr� Z_mixed_ipv6_addressr( Z ipv6_addressZ mac_addressr� r� r� Z iso8601_dateZiso8601_datetime�uuidrW rV r� r� r8 r3 r1 rv rM � _commasepitemr` ry rR Zcomma_separated_listr� rb r r r r r� � sv "" ��� � � � � ���r� c @ s e Zd Zdd� Zdd� ZdS )�_lazyclasspropertyc C s || _ |j| _|j| _d S r� )r� r� r r� r r r r� + s z_lazyclassproperty.__init__c sl � d u rt |�� t� d�r:t� fdd�� jdd � D ��r@i � _| jj}|� jvrb| �� �� j|< � j| S )N�_internc 3 s | ]}� j t|d g �u V qdS )r� N)r� r� )r Z superclassr� r r r� 3 s �z-_lazyclassproperty.__get__.<locals>.<genexpr>r� )r� r: r� �__mro__r� r� r )r� r� r� �attrnamer r� r �__get__0 s � z_lazyclassproperty.__get__N)r r r r� r� r r r r r� * s r� c @ sP e Zd ZdZg Zedd� �Zedd� �Zedd� �Z edd � �Z ed d � �Z d S ) r� a� A set of Unicode characters, for language-specific strings for ``alphas``, ``nums``, ``alphanums``, and ``printables``. A unicode_set is defined by a list of ranges in the Unicode character set, in a class attribute ``_ranges``, such as:: _ranges = [(0x0020, 0x007e), (0x00a0, 0x00ff),] A unicode set can also be defined using multiple inheritance of other unicode sets:: class CJK(Chinese, Japanese, Korean): pass c C sZ g }| j D ]8}|tu r qD|jD ] }|�t|d |d d �� q q dd� tt|��D �S )Nr r� r� c S s g | ] }t |��qS r rK r� r r r r T r z5unicode_set._get_chars_for_ranges.<locals>.<listcomp>)r� r� �_rangesrN r' r~ r� )r� r� ZccZrrr r r �_get_chars_for_rangesL s z!unicode_set._get_chars_for_rangesc C s d� ttj| �� ��S )z+all non-whitespace characters in this ranger� )r� r r� r� r� r� r r r rv V s zunicode_set.printablesc C s d� ttj| �� ��S )z'all alphabetic characters in this ranger� )r� �filterr� �isalphar� r� r r r rT [ s zunicode_set.alphasc C s d� ttj| �� ��S )z*all numeric digit characters in this ranger� )r� r� r� �isdigitr� r� r r r rr ` s zunicode_set.numsc C s | j | j S )z)all alphanumeric characters in this range)rT rr r� r r r rS e s zunicode_set.alphanumsN) r r r r� r� r� r� r� rv rT rr rS r r r r r� < s r� c @ s� e Zd ZdZdejfgZG dd� de�ZG dd� de�Z G dd� de�Z G d d � d e�Z G d d � d e�Z G d d� de�Z G dd� de�ZG dd� de�ZG dd� de ee�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd � d e�Zd S ) r� zF A namespace class for defining common language unicode_sets. � c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Latin1z/Unicode set for Latin-1 Unicode Character Range)r� �~ )� � N�r r r r� r� r r r r �Latin1q s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.LatinAz/Unicode set for Latin-A Unicode Character Range)� i Nr� r r r r �LatinAu s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.LatinBz/Unicode set for Latin-B Unicode Character Range)i� iO Nr� r r r r �LatinBy s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Greekz.Unicode set for Greek Unicode Character Ranges))ip i� )i i )i i )i iE )iH iM )iP iW )iY )i[ )i] )i_ i} )i� i� )i� i� )i� i� )i� i� )i� i� )i� i� )i� i� Nr� r r r r �Greek} s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.Cyrillicz0Unicode set for Cyrillic Unicode Character Range)i i� Nr� r r r r �Cyrillic� s r� c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Chinesez/Unicode set for Chinese Unicode Character Range)� N i�� �i 0 i?0 Nr� r r r r �Chinese� s r� c @ sD e Zd ZdZg ZG dd� de�ZG dd� de�ZG dd� de�ZdS ) zpyparsing_unicode.Japanesez`Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana rangesc @ s e Zd ZdZddgZdS )z pyparsing_unicode.Japanese.Kanjiz-Unicode set for Kanji Unicode Character Range)r� i�� r� Nr� r r r r �Kanji� s r� c @ s e Zd ZdZdgZdS )z#pyparsing_unicode.Japanese.Hiraganaz0Unicode set for Hiragana Unicode Character Range)i@0 i�0 Nr� r r r r �Hiragana� s r� c @ s e Zd ZdZdgZdS )z#pyparsing_unicode.Japanese.Katakanaz1Unicode set for Katakana Unicode Character Range)i�0 i�0 Nr� r r r r �Katakana� s r� N) r r r r� r� r� r� r� r� r r r r �Japanese� s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Koreanz.Unicode set for Korean Unicode Character Range))i � i�� )i i� )i01 i�1 )i`� i� )i�� i�� r� Nr� r r r r �Korean� s r� c @ s e Zd ZdZdS )zpyparsing_unicode.CJKzTUnicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character RangeNr� r r r r �CJK� s r� c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Thaiz,Unicode set for Thai Unicode Character Range)i i: )i? i[ Nr� r r r r �Thai� s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Arabicz.Unicode set for Arabic Unicode Character Range))i i )i i� )i i Nr� r r r r �Arabic� s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.Hebrewz.Unicode set for Hebrew Unicode Character Range)i� i� Nr� r r r r �Hebrew� s r� c @ s e Zd ZdZddgZdS )z pyparsing_unicode.Devanagariz2Unicode set for Devanagari Unicode Character Range)i i )i� i�� Nr� r r r r � Devanagari� s r� N)r r r r� r� � maxunicoder� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r� k s r� u العربيةu 中文u кириллицаu Ελληνικάu עִברִיתu 日本語u 漢字u カタカナu ひらがなu 한국어u ไทยu देवनागरीc @ s, e Zd ZdZG dd� d�ZG dd� d�ZdS )�pyparsing_testzB namespace class for classes useful in writing unit tests c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) z&pyparsing_test.reset_pyparsing_contextax Context manager to be used when writing unit tests that modify pyparsing config values: - packrat parsing - default whitespace characters. - default keyword characters - literal string auto-conversion class - __diag__ settings Example: with reset_pyparsing_context(): # test that literals used to construct a grammar are automatically suppressed ParserElement.inlineLiteralsUsing(Suppress) term = Word(alphas) | Word(nums) group = Group('(' + term[...] + ')') # assert that the '()' characters are not included in the parsed tokens self.assertParseAndCheckLisst(group, "(abc 123 def)", ['abc', '123', 'def']) # after exiting context manager, literals are converted to Literal expressions again c C s i | _ d S r� )� _save_contextr� r r r r� � s z/pyparsing_test.reset_pyparsing_context.__init__c C sf t j| jd< tj| jd< t j| jd< t j| jd< t j| jd< dd� tj D �| jd< d t j i| jd < | S ) N�default_whitespace�default_keyword_chars�literal_string_class�packrat_enabled� packrat_parsec S s i | ]}|t t|��qS r )r� r )r r r r r � <dictcomp>� s z?pyparsing_test.reset_pyparsing_context.save.<locals>.<dictcomp>r r� r# ) rC r� r� r0 r� r� r r� r � _all_namesr# r� r� r r r �save� s �� � � z+pyparsing_test.reset_pyparsing_context.savec C s� t j| jd kr t �| jd � | jd t_t �| jd � | jd �� D ]\}}tt ||� qJ| jd t _ | jd t _ | jd t _ d S )Nr� r� r� r r� r� r# )rC r� r� r� r0 r� r� r* �setattrr r r� r# r� )r� r r- r r r �restore� s ��� � z.pyparsing_test.reset_pyparsing_context.restorec C s | � � S r� )r� r� r r r � __enter__ s z0pyparsing_test.reset_pyparsing_context.__enter__c G s | � � S r� )r� ry r r r �__exit__ s z/pyparsing_test.reset_pyparsing_context.__exit__N) r r r r� r� r� r� r� r� r r r r �reset_pyparsing_context� s r� c @ sJ e Zd ZdZddd�Zddd�Zddd �Zdd d �Zee dfd d ��Z dS )z&pyparsing_test.TestParseResultsAssertszk A mixin class to add parse results assertion methods to normal unittest.TestCase classes. Nc C s< |dur | j ||�� |d� |dur8| j ||�� |d� dS )z� Unit test assertion to compare a ParseResults object with an optional expected_list, and compare any defined results names with an optional expected_dict. N�r� )Z assertEqualr rh )r� rp � expected_list� expected_dictr� r r r �assertParseResultsEquals s z?pyparsing_test.TestParseResultsAsserts.assertParseResultsEqualsTc C s2 |j |dd�}|r t|�� � | j|||d� dS )z� Convenience wrapper assert to test a parser element and input string, and assert that the resulting ParseResults.asList() is equal to the expected_list. Trd )r� r� N�r$ r� r r� )r� r� � test_stringr� r� �verboserp r r r �assertParseAndCheckList! s z>pyparsing_test.TestParseResultsAsserts.assertParseAndCheckListc C s2 |j |dd�}|r t|�� � | j|||d� dS )z� Convenience wrapper assert to test a parser element and input string, and assert that the resulting ParseResults.asDict() is equal to the expected_dict. Trd )r� r� Nr� )r� r� r� r� r� r� rp r r r �assertParseAndCheckDict- s z>pyparsing_test.TestParseResultsAsserts.assertParseAndCheckDictc C s" |\}}|du�rdd� t ||�D �}|D ]�\}}} tdd� | D �d�} tdd� | D �d�} | dur�| j| | pp|d�� t|t�r�|�W d � n1 s�0 Y q*tdd� | D �d�} td d� | D �d�} | | fd kr�| j|| | | p�|d � q*td �|�� q*| j||du�r|nd d� dS )aP Unit test assertion to evaluate output of ParserElement.runTests(). If a list of list-dict tuples is given as the expected_parse_results argument, then these are zipped with the report tuples returned by runTests and evaluated using assertParseResultsEquals. 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With pyparsing, you don't need to learn a new syntax for defining grammars or matching expressions - the parsing module provides a library of classes that you use to construct the grammar directly in Python. Here is a program to parse "Hello, World!" (or any greeting of the form ``"<salutation>, <addressee>!"``), built up using :class:`Word`, :class:`Literal`, and :class:`And` elements (the :class:`'+'<ParserElement.__add__>` operators create :class:`And` expressions, and the strings are auto-converted to :class:`Literal` expressions):: from pip._vendor.pyparsing import Word, alphas # define grammar of a greeting greet = Word(alphas) + "," + Word(alphas) + "!" hello = "Hello, World!" print (hello, "->", greet.parseString(hello)) The program outputs the following:: Hello, World! -> ['Hello', ',', 'World', '!'] The Python representation of the grammar is quite readable, owing to the self-explanatory class names, and the use of '+', '|' and '^' operators. The :class:`ParseResults` object returned from :class:`ParserElement.parseString` can be accessed as a nested list, a dictionary, or an object with named attributes. The pyparsing module handles some of the problems that are typically vexing when writing text parsers: - extra or missing whitespace (the above program will also handle "Hello,World!", "Hello , World !", etc.) - quoted strings - embedded comments Getting Started - ----------------- Visit the classes :class:`ParserElement` and :class:`ParseResults` to see the base classes that most other pyparsing classes inherit from. Use the docstrings for examples of how to: - construct literal match expressions from :class:`Literal` and :class:`CaselessLiteral` classes - construct character word-group expressions using the :class:`Word` class - see how to create repetitive expressions using :class:`ZeroOrMore` and :class:`OneOrMore` classes - use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`, and :class:`'&'<Each>` operators to combine simple expressions into more complex ones - associate names with your parsed results using :class:`ParserElement.setResultsName` - access the parsed data, which is returned as a :class:`ParseResults` object - find some helpful expression short-cuts like :class:`delimitedList` and :class:`oneOf` - find more useful common expressions in the :class:`pyparsing_common` namespace class z2.4.7z30 Mar 2020 00:43 UTCz*Paul McGuire <ptmcg@users.sourceforge.net>� N)�ref)�datetime)� itemgetter)�wraps)�contextmanager)� filterfalse)� ifilterfalse)�RLock)�Iterable)�MutableMapping�Mapping)� OrderedDict)�SimpleNamespacec @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �9/usr/lib/python3.9/site-packages/pip/_vendor/pyparsing.pyr � � r aA A cross-version compatibility configuration for pyparsing features that will be released in a future version. By setting values in this configuration to True, those features can be enabled in prior versions for compatibility development and testing. - collect_all_And_tokens - flag to enable fix for Issue #63 that fixes erroneous grouping of results names when an And expression is nested within an Or or MatchFirst; set to True to enable bugfix released in pyparsing 2.3.0, or False to preserve pre-2.3.0 handling of named results Ta� Diagnostic configuration (all default to False) - warn_multiple_tokens_in_named_alternation - flag to enable warnings when a results name is defined on a MatchFirst or Or expression with one or more And subexpressions (only warns if __compat__.collect_all_And_tokens is False) - warn_ungrouped_named_tokens_in_collection - flag to enable warnings when a results name is defined on a containing expression with ungrouped subexpressions that also have results names - warn_name_set_on_empty_Forward - flag to enable warnings whan a Forward is defined with a results name, but has no contents defined - warn_on_multiple_string_args_to_oneof - flag to enable warnings whan oneOf is incorrectly called with multiple str arguments - enable_debug_on_named_expressions - flag to auto-enable debug on all subsequent calls to ParserElement.setName() Fc C s$ g | ] }|� d �s |� d�r|�qS )Zenable_Zwarn_�� startswith)�.0Znmr r r � <listcomp>� r r c C s dt _dt _dt _dt _d S �NT)�__diag__�)warn_multiple_tokens_in_named_alternation�)warn_ungrouped_named_tokens_in_collection� warn_name_set_on_empty_Forward�%warn_on_multiple_string_args_to_oneofr r r r �_enable_all_warnings� s r )t� __version__�__versionTime__� __author__� __compat__r �And�CaselessKeyword�CaselessLiteral� CharsNotIn�Combine�Dict�Each�Empty� FollowedBy�Forward� GoToColumn�Group�Keyword�LineEnd� LineStart�Literal� PrecededBy� MatchFirst�NoMatch�NotAny� OneOrMore�OnlyOnce�Optional�Or�ParseBaseException�ParseElementEnhance�ParseException�ParseExpression�ParseFatalException� ParseResults�ParseSyntaxException� ParserElement� QuotedString�RecursiveGrammarException�Regex�SkipTo� StringEnd� StringStart�Suppress�Token�TokenConverter�White�Word�WordEnd� WordStart� ZeroOrMore�Char� alphanums�alphas� alphas8bit� anyCloseTag� anyOpenTag� cStyleComment�col�commaSeparatedList�commonHTMLEntity� countedArray�cppStyleComment�dblQuotedString�dblSlashComment� delimitedList�dictOf�downcaseTokens�empty�hexnums� htmlComment�javaStyleComment�line�lineEnd� lineStart�lineno� makeHTMLTags� makeXMLTags�matchOnlyAtCol�matchPreviousExpr�matchPreviousLiteral� nestedExpr�nullDebugAction�nums�oneOf�opAssoc�operatorPrecedence� printables�punc8bit�pythonStyleComment� quotedString� removeQuotes�replaceHTMLEntity� replaceWith� restOfLine�sglQuotedString�srange� stringEnd� stringStart�traceParseAction� unicodeString� upcaseTokens� withAttribute� indentedBlock�originalTextFor�ungroup� infixNotation� locatedExpr� withClass� CloseMatch�tokenMap�pyparsing_common�pyparsing_unicode� unicode_set�conditionAsParseAction�re� c C sd t | t�r| S z t| �W S ty^ t| ��t�� d�}td�}|�dd� � |� |� Y S 0 dS )a Drop-in replacement for str(obj) that tries to be Unicode friendly. It first tries str(obj). If that fails with a UnicodeEncodeError, then it tries unicode(obj). It then < returns the unicode object | encodes it with the default encoding | ... >. �xmlcharrefreplacez&#\d+;c S s$ dt t| d dd� ��dd � S )Nz\ur � ���)�hex�int��tr r r �<lambda>� r z_ustr.<locals>.<lambda>N) � isinstance�unicode�str�UnicodeEncodeError�encode�sys�getdefaultencodingrF �setParseAction�transformString)�obj�retZ xmlcharrefr r r �_ustr� s r� z6sum len sorted reversed list tuple set any all min maxc c s | ] }|V qd S �Nr )r �yr r r � <genexpr> r r� � c C s: d}dd� d� � D �}t||�D ]\}}| �||�} q | S )z/Escape &, <, >, ", ', etc. in a string of data.z&><"'c s s | ]}d | d V qdS )�&�;Nr )r �sr r r r� r z _xml_escape.<locals>.<genexpr>zamp gt lt quot apos)�split�zip�replace)�dataZ from_symbolsZ to_symbolsZfrom_Zto_r r r � _xml_escape s r� � 0123456789Z ABCDEFabcdef�\ � c c s | ]}|t jvr|V qd S r� )�stringZ whitespace�r �cr r r r� r c s@ |d ur |nd�|rt nt� t���t��� ��fdd��}|S )Nz failed user-defined conditionc s t �| ||��s � | |���d S r� )�bool�r� �lr� ��exc_type�fn�msgr r �pa% s z"conditionAsParseAction.<locals>.pa)r@ r> � _trim_arityr )r� �message�fatalr� r r� r r� s r� c @ sP e Zd ZdZddd�Zedd� �Zdd � Zd d � Zd d � Z ddd�Z dd� Z dS )r< z7base exception class for all parsing runtime exceptionsr Nc C s> || _ |d u r || _d| _n || _|| _|| _|||f| _d S �Nr� )�locr� �pstr� parserElement�args)�selfr� r� r� �elemr r r �__init__0 s zParseBaseException.__init__c C s | |j |j|j|j�S )z� internal factory method to simplify creating one type of ParseException from another - avoids having __init__ signature conflicts among subclasses )r� r� r� r� )�cls�per r r �_from_exception; s z"ParseBaseException._from_exceptionc C sN |dkrt | j| j�S |dv r,t| j| j�S |dkrBt| j| j�S t|��dS )z�supported attributes by name are: - lineno - returns the line number of the exception text - col - returns the column number of the exception text - line - returns the line containing the exception text rj )rY �columnrg N)rj r� r� rY rg �AttributeError)r� Zanamer r r � __getattr__C s z ParseBaseException.__getattr__c C s^ | j r@| jt| j �kr d}qDd| j | j| jd � �dd�}nd}d| j|| j| j| jf S )Nz, found end of textz , found %rr� z\\�\r� z%%s%s (at char %d), (line:%d, col:%d))r� r� �lenr� r� rj r� )r� Zfoundstrr r r �__str__R s $�zParseBaseException.__str__c C s t | �S r� �r� �r� r r r �__repr__\ s zParseBaseException.__repr__�>!<c C s< | j }| jd }|r4d�|d|� |||d� f�}|�� S )z�Extracts the exception line from the input string, and marks the location of the exception with a special symbol. r� r� N)rg r� �join�strip)r� Z markerStringZline_strZ line_columnr r r � markInputline^ s �z ParseBaseException.markInputlinec C s d� � tt| �� S )Nzlineno col line)r� �dir�typer� r r r �__dir__h s zParseBaseException.__dir__)r NN)r� ) r r r �__doc__r� � classmethodr� r� r� r� r� r� r r r r r< , s r< c @ s e Zd ZdZeddd��ZdS )r> a: Exception thrown when parse expressions don't match class; supported attributes by name are: - lineno - returns the line number of the exception text - col - returns the column number of the exception text - line - returns the line containing the exception text Example:: try: Word(nums).setName("integer").parseString("ABC") except ParseException as pe: print(pe) print("column: {}".format(pe.col)) prints:: Expected integer (at char 0), (line:1, col:1) column: 1 � c C sp ddl }|du rt�� }g }t| t�rJ|�| j� |�d| jd d � |�d�t | �j | �� |dk�rf|j | j |d�}t � }t|| d� �D ]�\}}|d }|j�dd�} t| t��r|jjd vr�q�| |v r�q�|�| � t | �} |�d �| j| j | �� nP| du�r,t | �} |�d �| j| j �� n&|j} | jd v �r@q�|�d �| j�� |d8 }|s� �qfq�d�|�S )ap Method to take an exception and translate the Python internal traceback into a list of the pyparsing expressions that caused the exception to be raised. Parameters: - exc - exception raised during parsing (need not be a ParseException, in support of Python exceptions that might be raised in a parse action) - depth (default=16) - number of levels back in the stack trace to list expression and function names; if None, the full stack trace names will be listed; if 0, only the failing input line, marker, and exception string will be shown Returns a multi-line string listing the ParserElements and/or function names in the exception's stack trace. Note: the diagnostic output will include string representations of the expressions that failed to parse. These representations will be more helpful if you use `setName` to give identifiable names to your expressions. Otherwise they will use the default string forms, which may be cryptic to read. explain() is only supported under Python 3. r N� r� �^z{0}: {1})�contextr� )� parseImpl� _parseNoCachez {0}.{1} - {2}z{0}.{1})�wrapperz<module>z{0}� )�inspectr� �getrecursionlimitr� r< �appendrg rY �formatr� r Zgetinnerframes� __traceback__�set� enumerate�f_locals�getrC �f_code�co_name�addr r� ) �exc�depthr� r� Zcallers�seen�iZffZfrmZf_selfZ self_type�coder r r �explain� sL � � zParseException.explainN)r� )r r r r� � staticmethodr� r r r r r> k s r> c @ s e Zd ZdZdS )r@ znuser-throwable exception thrown when inconsistent parse content is found; stops all parsing immediatelyN�r r r r� r r r r r@ � s r@ c @ s e Zd ZdZdS )rB z�just like :class:`ParseFatalException`, but thrown internally when an :class:`ErrorStop<And._ErrorStop>` ('-' operator) indicates that parsing is to stop immediately because an unbacktrackable syntax error has been found. Nr� r r r r rB � s rB c @ s e Zd ZdZdd� Zdd� ZdS )rE ziexception thrown by :class:`ParserElement.validate` if the grammar could be improperly recursive c C s || _ d S r� �ZparseElementTrace�r� �parseElementListr r r r� � s z"RecursiveGrammarException.__init__c C s d| j S )Nz RecursiveGrammarException: %sr� r� r r r r� � s z!RecursiveGrammarException.__str__N)r r r r� r� r� r r r r rE � s rE c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �_ParseResultsWithOffsetc C s ||f| _ d S r� ��tup)r� Zp1Zp2r r r r� � s z _ParseResultsWithOffset.__init__c C s | j | S r� r �r� r� r r r � __getitem__� s z#_ParseResultsWithOffset.__getitem__c C s t | jd �S �Nr )�reprr r� r r r r� � s z _ParseResultsWithOffset.__repr__c C s | j d |f| _ d S r r r r r r � setOffset� s z!_ParseResultsWithOffset.setOffsetN)r r r r� r r� r r r r r r � s r c @ s� e Zd ZdZd]dd�Zddddefdd�Zdd � Zefd d �Zd d � Z dd� Z dd� Z dd� Z e Z dd� Zdd� Zdd� Zdd� Zd d � Zer�eZeZeZn$eZeZeZd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd^d(d)�Z d*d+� Z d,d-� Z d.d/� Z d0d1� Z d2d3� Z!d4d5� Z"d6d7� Z#d8d9� Z$d:d;� Z%d<d=� Z&d_d?d@�Z'dAdB� Z(dCdD� Z)dEdF� Z*d`dHdI�Z+dJdK� Z,dLdM� Z-dadOdP�Z.dQdR� Z/dSdT� Z0dUdV� Z1dWdX� Z2dYdZ� Z3e4dbd[d\��Z5dS )crA aS Structured parse results, to provide multiple means of access to the parsed data: - as a list (``len(results)``) - by list index (``results[0], results[1]``, etc.) - by attribute (``results.<resultsName>`` - see :class:`ParserElement.setResultsName`) Example:: integer = Word(nums) date_str = (integer.setResultsName("year") + '/' + integer.setResultsName("month") + '/' + integer.setResultsName("day")) # equivalent form: # date_str = integer("year") + '/' + integer("month") + '/' + integer("day") # parseString returns a ParseResults object result = date_str.parseString("1999/12/31") def test(s, fn=repr): print("%s -> %s" % (s, fn(eval(s)))) test("list(result)") test("result[0]") test("result['month']") test("result.day") test("'month' in result") test("'minutes' in result") test("result.dump()", str) prints:: list(result) -> ['1999', '/', '12', '/', '31'] result[0] -> '1999' result['month'] -> '12' result.day -> '31' 'month' in result -> True 'minutes' in result -> False result.dump() -> ['1999', '/', '12', '/', '31'] - day: 31 - month: 12 - year: 1999 NTc C s" t || �r|S t�| �}d|_|S r )r� �object�__new__�_ParseResults__doinit)r� �toklist�name�asList�modalZretobjr r r r ! s zParseResults.__new__c C sb | j rvd| _ d | _d | _i | _|| _|| _|d u r6g }||t�rP|d d � | _n ||t�rft|�| _n|g| _t � | _ |d u�r^|�r^|s�d| j|< ||t �r�t |�}|| _||t d �ttf�r�|d dg fv �s^||t�r�|g}|�r*||t��rtt|j�d�| |< ntt|d �d�| |< || | _n4z|d | |< W n" tttf�y\ || |< Y n0 d S )NFr r� )r �_ParseResults__name�_ParseResults__parent�_ParseResults__accumNames�_ParseResults__asList�_ParseResults__modal�list�_ParseResults__toklist�_generatorType�dict�_ParseResults__tokdictr� r� r� � basestringrA r �KeyError� TypeError� IndexError)r� r r r r r� r r r r� * sB $ zParseResults.__init__c C sP t |ttf�r| j| S || jvr4| j| d d S tdd� | j| D ��S d S )Nr� r c S s g | ] }|d �qS �r r �r �vr r r r X r z,ParseResults.__getitem__.<locals>.<listcomp>)r� r� �slicer r r rA r r r r r Q s zParseResults.__getitem__c C s� ||t �r0| j�|t� �|g | j|< |d }nD||ttf�rN|| j|< |}n&| j�|t� �t |d�g | j|< |}||t�r�t| �|_ d S r ) r r r� r r� r! r rA �wkrefr )r� �kr r� �subr r r � __setitem__Z s " zParseResults.__setitem__c C s� t |ttf�r�t| j�}| j|= t |t�rH|dk r:||7 }t||d �}tt|�|�� �}|�� | j � � D ]>\}}|D ]0}t |�D ]"\}\}} t || | |k �||< q�qxqln| j |= d S �Nr r� ) r� r� r! r� r r �range�indices�reverser �itemsr� r ) r� r� ZmylenZremovedr � occurrences�jr# �value�positionr r r � __delitem__g s zParseResults.__delitem__c C s || j v S r� )r )r� r# r r r � __contains__| s zParseResults.__contains__c C s t | j�S r� )r� r r� r r r �__len__ s zParseResults.__len__c C s | j S r� �r r� r r r �__bool__� s zParseResults.__bool__c C s t | j�S r� ��iterr r� r r r �__iter__� s zParseResults.__iter__c C s t | jd d d� �S �Nr� r4 r� r r r � __reversed__� s zParseResults.__reversed__c C s$ t | jd�r| j�� S t| j�S d S )N�iterkeys)�hasattrr r9 r5 r� r r r � _iterkeys� s zParseResults._iterkeysc s � fdd�� � � D �S )Nc 3 s | ]}� | V qd S r� r �r r# r� r r r� � r z+ParseResults._itervalues.<locals>.<genexpr>�r; r� r r� r � _itervalues� s zParseResults._itervaluesc s � fdd�� � � D �S )Nc 3 s | ]}|� | fV qd S r� r r< r� r r r� � r z*ParseResults._iteritems.<locals>.<genexpr>r= r� r r� r � _iteritems� s zParseResults._iteritemsc C s t | �� �S )zVReturns all named result keys (as a list in Python 2.x, as an iterator in Python 3.x).)r r9 r� r r r �keys� s zParseResults.keysc C s t | �� �S )zXReturns all named result values (as a list in Python 2.x, as an iterator in Python 3.x).)r � itervaluesr� r r r �values� s zParseResults.valuesc C s t | �� �S )zfReturns all named result key-values (as a list of tuples in Python 2.x, as an iterator in Python 3.x).)r � iteritemsr� r r r r* � s zParseResults.itemsc C s t | j�S )z�Since keys() returns an iterator, this method is helpful in bypassing code that looks for the existence of any defined results names.)r� r r� r r r �haskeys� s zParseResults.haskeysc O s� |s dg}|� � D ]*\}}|dkr0|d |f}qtd| ��qt|d t�sdt|�dksd|d | v r~|d }| | }| |= |S |d }|S dS )a� Removes and returns item at specified index (default= ``last``). Supports both ``list`` and ``dict`` semantics for ``pop()``. If passed no argument or an integer argument, it will use ``list`` semantics and pop tokens from the list of parsed tokens. If passed a non-integer argument (most likely a string), it will use ``dict`` semantics and pop the corresponding value from any defined results names. A second default return value argument is supported, just as in ``dict.pop()``. Example:: def remove_first(tokens): tokens.pop(0) print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] print(OneOrMore(Word(nums)).addParseAction(remove_first).parseString("0 123 321")) # -> ['123', '321'] label = Word(alphas) patt = label("LABEL") + OneOrMore(Word(nums)) print(patt.parseString("AAB 123 321").dump()) # Use pop() in a parse action to remove named result (note that corresponding value is not # removed from list form of results) def remove_LABEL(tokens): tokens.pop("LABEL") return tokens patt.addParseAction(remove_LABEL) print(patt.parseString("AAB 123 321").dump()) prints:: ['AAB', '123', '321'] - LABEL: AAB ['AAB', '123', '321'] r� �defaultr z-pop() got an unexpected keyword argument '%s'r� N)r* r r� r� r� )r� r� �kwargsr# r �indexr� Z defaultvaluer r r �pop� s" % � �zParseResults.popc C s || v r| | S |S dS )a[ Returns named result matching the given key, or if there is no such name, then returns the given ``defaultValue`` or ``None`` if no ``defaultValue`` is specified. Similar to ``dict.get()``. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString("1999/12/31") print(result.get("year")) # -> '1999' print(result.get("hour", "not specified")) # -> 'not specified' print(result.get("hour")) # -> None Nr )r� �key� defaultValuer r r r� � s zParseResults.getc C sR | j �||� | j�� D ]4\}}t|�D ]"\}\}}t||||k �||< q(qdS )a Inserts new element at location index in the list of parsed tokens. Similar to ``list.insert()``. Example:: print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] # use a parse action to insert the parse location in the front of the parsed results def insert_locn(locn, tokens): tokens.insert(0, locn) print(OneOrMore(Word(nums)).addParseAction(insert_locn).parseString("0 123 321")) # -> [0, '0', '123', '321'] N)r �insertr r* r� r )r� rG ZinsStrr r+ r# r- r. r r r rK s zParseResults.insertc C s | j �|� dS )a� Add single element to end of ParseResults list of elements. Example:: print(OneOrMore(Word(nums)).parseString("0 123 321")) # -> ['0', '123', '321'] # use a parse action to compute the sum of the parsed integers, and add it to the end def append_sum(tokens): tokens.append(sum(map(int, tokens))) print(OneOrMore(Word(nums)).addParseAction(append_sum).parseString("0 123 321")) # -> ['0', '123', '321', 444] N)r r� )r� �itemr r r r� s zParseResults.appendc C s& t |t�r| �|� n | j�|� dS )a Add sequence of elements to end of ParseResults list of elements. Example:: patt = OneOrMore(Word(alphas)) # use a parse action to append the reverse of the matched strings, to make a palindrome def make_palindrome(tokens): tokens.extend(reversed([t[::-1] for t in tokens])) return ''.join(tokens) print(patt.addParseAction(make_palindrome).parseString("lskdj sdlkjf lksd")) # -> 'lskdjsdlkjflksddsklfjkldsjdksl' N)r� rA �__iadd__r �extend)r� Zitemseqr r r rN / s zParseResults.extendc C s | j dd�= | j�� dS )z7 Clear all elements and results names. N)r r �clearr� r r r rO B s zParseResults.clearc C s$ z | | W S t y Y dS 0 d S r� )r �r� r r r r r� I s zParseResults.__getattr__c C s | � � }||7 }|S r� ��copy)r� �otherr� r r r �__add__O s zParseResults.__add__c s� |j rjt| j���fdd�� |j �� }� fdd�|D �}|D ],\}}|| |< t|d t�r<t| �|d _q<| j|j7 _| j� |j� | S )Nc s | dk r � S | � S r r )�a)�offsetr r r� W r z'ParseResults.__iadd__.<locals>.<lambda>c s4 g | ],\}}|D ] }|t |d � |d ��f�qqS �r r� )r �r r# �vlistr )� addoffsetr r r Y s �z)ParseResults.__iadd__.<locals>.<listcomp>r ) r r� r r* r� rA r" r r �update)r� rS Z otheritemsZotherdictitemsr# r r )rZ rV r rM T s � zParseResults.__iadd__c C s& t |t�r|dkr| �� S || S d S r )r� r� rR �r� rS r r r �__radd__d s zParseResults.__radd__c C s dt | j�t | j�f S )Nz(%s, %s))r r r r� r r r r� l s zParseResults.__repr__c C s dd� dd� | jD �� d S )N�[�, c s s( | ] }t |t�rt|�nt|�V qd S r� )r� rA r� r �r r� r r r r� p r z'ParseResults.__str__.<locals>.<genexpr>�])r� r r� r r r r� o s zParseResults.__str__r� c C sL g }| j D ]<}|r |r |�|� t|t�r8||�� 7 }q |�t|�� q |S r� )r r� r� rA � _asStringListr� )r� �sep�outrL r r r rb r s zParseResults._asStringListc C s dd� | j D �S )ax Returns the parse results as a nested list of matching tokens, all converted to strings. Example:: patt = OneOrMore(Word(alphas)) result = patt.parseString("sldkj lsdkj sldkj") # even though the result prints in string-like form, it is actually a pyparsing ParseResults print(type(result), result) # -> <class 'pyparsing.ParseResults'> ['sldkj', 'lsdkj', 'sldkj'] # Use asList() to create an actual list result_list = result.asList() print(type(result_list), result_list) # -> <class 'list'> ['sldkj', 'lsdkj', 'sldkj'] c S s" g | ]}t |t�r|�� n|�qS r )r� rA r )r �resr r r r � r z'ParseResults.asList.<locals>.<listcomp>r2 r� r r r r } s zParseResults.asListc s6 t r | j}n| j}� fdd�� t� fdd�|� D ��S )a� Returns the named parse results as a nested dictionary. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString('12/31/1999') print(type(result), repr(result)) # -> <class 'pyparsing.ParseResults'> (['12', '/', '31', '/', '1999'], {'day': [('1999', 4)], 'year': [('12', 0)], 'month': [('31', 2)]}) result_dict = result.asDict() print(type(result_dict), repr(result_dict)) # -> <class 'dict'> {'day': '1999', 'year': '12', 'month': '31'} # even though a ParseResults supports dict-like access, sometime you just need to have a dict import json print(json.dumps(result)) # -> Exception: TypeError: ... is not JSON serializable print(json.dumps(result.asDict())) # -> {"month": "31", "day": "1999", "year": "12"} c s6 t | t�r.| �� r| �� S � fdd�| D �S n| S d S )Nc s g | ] }� |��qS r r r ��toItemr r r � r z7ParseResults.asDict.<locals>.toItem.<locals>.<listcomp>)r� rA rD �asDict�r� rf r r rg � s z#ParseResults.asDict.<locals>.toItemc 3 s | ]\}}|� |�fV qd S r� r �r r# r rf r r r� � r z&ParseResults.asDict.<locals>.<genexpr>)�PY_3r* rC r )r� Zitem_fnr rf r rh � s zParseResults.asDictc C s< t | j�}t| j�� �|_| j|_|j�| j� | j|_|S )zG Returns a new copy of a :class:`ParseResults` object. ) rA r r r r* r r r[ r �r� r� r r r rR � s zParseResults.copyFc C sL d}g }t dd� | j�� D ��}|d }|s8d}d}d}d} |durJ|} n | jrV| j} | sf|rbdS d} |||d| d g7 }t| j�D ]�\} } t| t�r�| |v r�|| �|| |o�|du ||�g7 }n || �d|o�|du ||�g7 }q�d} | |v r�|| } | �s|�rq�nd} t t | ��} |||d| d | d | d g 7 }q�|||d | d g7 }d� |�S ) z� (Deprecated) Returns the parse results as XML. Tags are created for tokens and lists that have defined results names. r� c s s( | ] \}}|D ]}|d |fV qqdS �r� Nr rX r r r r� � s �z%ParseResults.asXML.<locals>.<genexpr>� r� NZITEM�<�>�</) r r r* r r� r r� rA �asXMLr� r� r� )r� ZdoctagZnamedItemsOnly�indent� formatted�nlrd Z namedItemsZnextLevelIndentZselfTagr� re ZresTagZ xmlBodyTextr r r rr � sZ � � �zParseResults.asXMLc C s: | j �� D ]*\}}|D ] \}}||u r| S qq d S r� )r r* )r� r$ r# rY r r� r r r Z__lookup� s zParseResults.__lookupc C s� | j r | j S | jr.| �� }|r(|�| �S dS nNt| �dkrxt| j�dkrxtt| j�� ��d d dv rxtt| j�� ��S dS dS )a Returns the results name for this token expression. Useful when several different expressions might match at a particular location. Example:: integer = Word(nums) ssn_expr = Regex(r"\d\d\d-\d\d-\d\d\d\d") house_number_expr = Suppress('#') + Word(nums, alphanums) user_data = (Group(house_number_expr)("house_number") | Group(ssn_expr)("ssn") | Group(integer)("age")) user_info = OneOrMore(user_data) result = user_info.parseString("22 111-22-3333 #221B") for item in result: print(item.getName(), ':', item[0]) prints:: age : 22 ssn : 111-22-3333 house_number : 221B Nr� r )r r� ) r r �_ParseResults__lookupr� r �nextr5 rB r@ )r� �parr r r �getName s � �zParseResults.getNamer c C sv g }d}|r$|� |t| �� � � n |� d� |�rl| �� r�tdd� | �� D ��}|D ]x\}} |rl|� |� |� d|d| |f � t| t�r�| r�|� | j||||d d�� q�|� t| �� qV|� t | �� qVn�t d d� | D ���rl| } t | �D ]x\} } t| t��r@|� d |d| | |d|d | j||||d d�f � q�|� d |d| | |d|d t| �f � q�d� |�S ) aF Diagnostic method for listing out the contents of a :class:`ParseResults`. Accepts an optional ``indent`` argument so that this string can be embedded in a nested display of other data. Example:: integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") result = date_str.parseString('12/31/1999') print(result.dump()) prints:: ['12', '/', '31', '/', '1999'] - day: 1999 - month: 31 - year: 12 r� r� c s s | ]\}}t |�|fV qd S r� )r� rj r r r r� G r z$ParseResults.dump.<locals>.<genexpr>z %s%s- %s: rn r� )rs �full� include_list�_depthc s s | ]}t |t�V qd S r� )r� rA )r �vvr r r r� S r z %s%s[%d]: %s%s%s) r� r� r rD �sortedr* r� rA �dumpr �anyr� r� ) r� rs rz r{ r| rd �NLr* r# r r� r} r r r r ) sP �� � zParseResults.dumpc O s t j | �� g|�R i |�� dS )a# Pretty-printer for parsed results as a list, using the `pprint <https://docs.python.org/3/library/pprint.html>`_ module. Accepts additional positional or keyword args as defined for `pprint.pprint <https://docs.python.org/3/library/pprint.html#pprint.pprint>`_ . Example:: ident = Word(alphas, alphanums) num = Word(nums) func = Forward() term = ident | num | Group('(' + func + ')') func <<= ident + Group(Optional(delimitedList(term))) result = func.parseString("fna a,b,(fnb c,d,200),100") result.pprint(width=40) prints:: ['fna', ['a', 'b', ['(', 'fnb', ['c', 'd', '200'], ')'], '100']] N)�pprintr �r� r� rF r r r r� j s zParseResults.pprintc C s. | j | j�� | jd ur | �� p d | j| jffS r� )r r rR r r r r� r r r � __getstate__� s ��zParseResults.__getstate__c C sN |d | _ |d \| _}}| _i | _| j�|� |d urDt|�| _nd | _d S r& )r r r r r[ r" r )r� �staterx Z inAccumNamesr r r � __setstate__� s zParseResults.__setstate__c C s | j | j| j| jfS r� )r r r r r� r r r �__getnewargs__� s zParseResults.__getnewargs__c C s t t| ��t| �� � S r� )r� r� r r@ r� r r r r� � s zParseResults.__dir__c C sr dd� }| g �}|� � D ]>\}}t|t�r>|| j||d�7 }q|| |g|||�d�7 }q|durn| |g|d�}|S )z� Helper classmethod to construct a ParseResults from a dict, preserving the name-value relations as results names. If an optional 'name' argument is given, a nested ParseResults will be returned c S sF z t | � W n ty Y dS 0 tr6t| ttf� S t| t� S d S �NF)r5 � Exceptionrk r� r� �bytesr ri r r r � is_iterable� s z+ParseResults.from_dict.<locals>.is_iterable�r )r r N)r* r� r � from_dict)r� rS r r� r� r# r r r r r� � s zParseResults.from_dict)NNTT)N)r� )NFr� T)r� TTr )N)6r r r r� r r� r� r r% r/ r0 r1 r3 � __nonzero__r6 r8 r; r> r? rk r@ rB r* r9 rA rC rD rH r� rK r� rN rO r� rT rM r] r� r� rb r rh rR rr rv ry r r� r� r� r� r� r� r� r r r r rA � sl * ' 7 $ =( A rA c C sF |}d| k r t |�k r4n n|| d dkr4dS | |�dd| � S )a� Returns current column within a string, counting newlines as line separators. The first column is number 1. Note: the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`ParserElement.parseString` for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. r r� r� )r� �rfind)r� �strgr� r r r rY � s rY c C s |� dd| �d S )a� Returns current line number within a string, counting newlines as line separators. The first line is number 1. Note - the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`ParserElement.parseString` for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. r� r r� )�count)r� r� r r r rj � s rj c C sF |� dd| �}|�d| �}|dkr2||d |� S ||d d� S dS )zfReturns the line of text containing loc within a string, counting newlines as line separators. r� r r� N)r� �find)r� r� ZlastCRZnextCRr r r rg � s rg c C s8 t dt|� d t|� dt|| �t|| �f � d S )NzMatch z at loc z(%d,%d))�printr� rj rY )�instringr� �exprr r r �_defaultStartDebugAction� s r� c C s$ t dt|� d t|�� � � d S )NzMatched z -> )r� r� r� r )r� �startlocZendlocr� �toksr r r �_defaultSuccessDebugAction� s r� c C s t dt|� � d S )NzException raised:)r� r� )r� r� r� r� r r r � _defaultExceptionDebugAction� s r� c G s dS )zG'Do-nothing' debug action, to suppress debugging output during parsing.Nr )r� r r r rq � s rq r� c s� �t v r�fdd�S dg�dg�td d� dkrFddd�}dd d �� n tj}tj� d }|dd �d }|d |d | f�� �����fdd�}d}zt�dt�d�j�}W n ty� t��}Y n0 ||_|S )Nc s � |�S r� r r� )�funcr r r� r z _trim_arity.<locals>.<lambda>r Fr� )r� � c S s8 t dkr dnd}tj| | d d�| }|d d� gS )N)r� r� r ������r� ��limitr� )�system_version� traceback� extract_stack)r� rV � frame_summaryr r r r� s z"_trim_arity.<locals>.extract_stackc S s$ t j| |d�}|d }|d d� gS )Nr� r� r� )r� � extract_tb)�tbr� Zframesr� r r r r� s z _trim_arity.<locals>.extract_tb� r� r� r� c s� z"�| �d d � � }d�d< |W S t y� �d r<� nfzHt�� d }� |dd�d d d� �ksh� W z~W q� ty� Y q�0 n z~W n ty� Y n0 0 �d �krd d7 < Y q � Y q 0 q d S )Nr Tr� r� r� r� )r r� �exc_info� NameError)r� r� r� �r� Z foundArityr� r� �maxargsZpa_call_line_synthr r r� ! s. � z _trim_arity.<locals>.wrapperz<parse action>r � __class__)r )r ) �singleArgBuiltinsr� r� r� r� �getattrr r� r� )r� r� r� Z LINE_DIFFZ this_liner� � func_namer r� r r� s, � r� c @ s� e Zd ZdZdZdZedd� �Zedd� �Ze dd � �Z d�d d �Z d d � Z dd� Z d�dd�Zd�dd�Zd�dd�Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd�d#d$�Zd%d&� Zd�d'd(�Zd)d*� Zd+d,� ZG d-d.� d.e �Z e d/u� r�G d0d1� d1e �Z nG d2d1� d1e �Z i Z e!� Z"d3d3gZ#d�d4d5�Z$eZ%ed6d7� �Z&dZ'ed�d9d:��Z(d�d;d<�Z)e*dfd=d>�Z+d?d@� Z,e*fdAdB�Z-e*dfdCdD�Z.dEdF� Z/dGdH� Z0dIdJ� Z1dKdL� Z2dMdN� Z3dOdP� Z4dQdR� Z5dSdT� Z6dUdV� Z7dWdX� Z8dYdZ� Z9d[d\� Z:d]d^� Z;d_d`� Z<dadb� Z=d�dcdd�Z>dedf� Z?dgdh� Z@didj� ZAdkdl� ZBdmdn� ZCdodp� ZDd�dqdr�ZEdsdt� ZFdudv� ZGdwdx� ZHdydz� ZId�d{d|�ZJd�d}d~�ZKdd�� ZLd�d�� ZMd�d�� ZNd�d�� ZOd�d�� ZPd�d�d��ZQd�d�d��ZRd/S )�rC z)Abstract base level parser element class.z Fc C s | t _dS )a� Overrides the default whitespace chars Example:: # default whitespace chars are space, <TAB> and newline OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def', 'ghi', 'jkl'] # change to just treat newline as significant ParserElement.setDefaultWhitespaceChars(" \t") OneOrMore(Word(alphas)).parseString("abc def\nghi jkl") # -> ['abc', 'def'] N)rC �DEFAULT_WHITE_CHARS��charsr r r �setDefaultWhitespaceCharsL s z'ParserElement.setDefaultWhitespaceCharsc C s | t _dS )ah Set class to be used for inclusion of string literals into a parser. Example:: # default literal class used is Literal integer = Word(nums) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] # change to Suppress ParserElement.inlineLiteralsUsing(Suppress) date_str = integer("year") + '/' + integer("month") + '/' + integer("day") date_str.parseString("1999/12/31") # -> ['1999', '12', '31'] N)rC �_literalStringClass�r� r r r �inlineLiteralsUsing\ s z!ParserElement.inlineLiteralsUsingc C s |j r|j }q |S r� )�tb_next)r� r� r r r �_trim_tracebackr s z ParserElement._trim_tracebackc C s� t � | _d | _d | _d | _|| _d| _ttj �| _ d| _ d| _ d| _ t � | _d| _d| _d| _d| _d| _d| _d | _d| _d| _d S )NTFr� )NNN)r � parseAction� failAction�strRepr� resultsName� saveAsList�skipWhitespacer� rC r� � whiteChars�copyDefaultWhiteChars�mayReturnEmpty�keepTabs� ignoreExprs�debug� streamlined� mayIndexError�errmsg� modalResults� debugActionsr� � callPreparse� callDuringTry)r� �savelistr r r r� x s( zParserElement.__init__c C s< t � | �}| jdd� |_| jdd� |_| jr8tj|_|S )a/ Make a copy of this :class:`ParserElement`. Useful for defining different parse actions for the same parsing pattern, using copies of the original parse element. Example:: integer = Word(nums).setParseAction(lambda toks: int(toks[0])) integerK = integer.copy().addParseAction(lambda toks: toks[0] * 1024) + Suppress("K") integerM = integer.copy().addParseAction(lambda toks: toks[0] * 1024 * 1024) + Suppress("M") print(OneOrMore(integerK | integerM | integer).parseString("5K 100 640K 256M")) prints:: [5120, 100, 655360, 268435456] Equivalent form of ``expr.copy()`` is just ``expr()``:: integerM = integer().addParseAction(lambda toks: toks[0] * 1024 * 1024) + Suppress("M") N)rR r� r� r� rC r� r� )r� Zcpyr r r rR � s zParserElement.copyc C s$ || _ d| j | _tjr | �� | S )a_ Define name for this expression, makes debugging and exception messages clearer. Example:: Word(nums).parseString("ABC") # -> Exception: Expected W:(0123...) (at char 0), (line:1, col:1) Word(nums).setName("integer").parseString("ABC") # -> Exception: Expected integer (at char 0), (line:1, col:1) � Expected )r r� r �!enable_debug_on_named_expressions�setDebugrP r r r �setName� s zParserElement.setNamec C s | � ||�S )aO Define name for referencing matching tokens as a nested attribute of the returned parse results. NOTE: this returns a *copy* of the original :class:`ParserElement` object; this is so that the client can define a basic element, such as an integer, and reference it in multiple places with different names. You can also set results names using the abbreviated syntax, ``expr("name")`` in place of ``expr.setResultsName("name")`` - see :class:`__call__`. Example:: date_str = (integer.setResultsName("year") + '/' + integer.setResultsName("month") + '/' + integer.setResultsName("day")) # equivalent form: date_str = integer("year") + '/' + integer("month") + '/' + integer("day") )�_setResultsName�r� r �listAllMatchesr r r �setResultsName� s z ParserElement.setResultsNamec C s4 | � � }|�d�r"|d d� }d}||_| |_|S )N�*r� T)rR �endswithr� r� )r� r r� Znewselfr r r r� � s z ParserElement._setResultsNameTc s@ |r&| j � d� fdd� }� |_|| _ nt| j d�r<| j j| _ | S )z�Method to invoke the Python pdb debugger when this element is about to be parsed. Set ``breakFlag`` to True to enable, False to disable. Tc s dd l }|�� � | |||�S r )�pdbZ set_trace)r� r� � doActions� callPreParser� �Z _parseMethodr r �breaker� s z'ParserElement.setBreak.<locals>.breaker�_originalParseMethod)TT)�_parser� r: )r� Z breakFlagr� r r� r �setBreak� s zParserElement.setBreakc O sV t |�dgkrg | _n<tdd� |D ��s0td��t ttt |���| _|�dd�| _| S )a� Define one or more actions to perform when successfully matching parse element definition. Parse action fn is a callable method with 0-3 arguments, called as ``fn(s, loc, toks)`` , ``fn(loc, toks)`` , ``fn(toks)`` , or just ``fn()`` , where: - s = the original string being parsed (see note below) - loc = the location of the matching substring - toks = a list of the matched tokens, packaged as a :class:`ParseResults` object If the functions in fns modify the tokens, they can return them as the return value from fn, and the modified list of tokens will replace the original. Otherwise, fn does not need to return any value. If None is passed as the parse action, all previously added parse actions for this expression are cleared. Optional keyword arguments: - callDuringTry = (default= ``False``) indicate if parse action should be run during lookaheads and alternate testing Note: the default parsing behavior is to expand tabs in the input string before starting the parsing process. See :class:`parseString for more information on parsing strings containing ``<TAB>`` s, and suggested methods to maintain a consistent view of the parsed string, the parse location, and line and column positions within the parsed string. Example:: integer = Word(nums) date_str = integer + '/' + integer + '/' + integer date_str.parseString("1999/12/31") # -> ['1999', '/', '12', '/', '31'] # use parse action to convert to ints at parse time integer = Word(nums).setParseAction(lambda toks: int(toks[0])) date_str = integer + '/' + integer + '/' + integer # note that integer fields are now ints, not strings date_str.parseString("1999/12/31") # -> [1999, '/', 12, '/', 31] Nc s s | ]}t |�V qd S r� )�callable)r r� r r r r� r z/ParserElement.setParseAction.<locals>.<genexpr>z parse actions must be callabler� F)r r� �allr �mapr� r� r� �r� �fnsrF r r r r� � s (z ParserElement.setParseActionc O s4 | j tttt|���7 _ | jp,|�dd�| _| S )z� Add one or more parse actions to expression's list of parse actions. See :class:`setParseAction`. See examples in :class:`copy`. r� F)r� r r� r� r� r� r� r r r �addParseAction s z ParserElement.addParseActionc O sF |D ](}| j �t||�d�|�dd�d�� q| jp>|�dd�| _| S )a� Add a boolean predicate function to expression's list of parse actions. See :class:`setParseAction` for function call signatures. Unlike ``setParseAction``, functions passed to ``addCondition`` need to return boolean success/fail of the condition. Optional keyword arguments: - message = define a custom message to be used in the raised exception - fatal = if True, will raise ParseFatalException to stop parsing immediately; otherwise will raise ParseException Example:: integer = Word(nums).setParseAction(lambda toks: int(toks[0])) year_int = integer.copy() year_int.addCondition(lambda toks: toks[0] >= 2000, message="Only support years 2000 and later") date_str = year_int + '/' + integer + '/' + integer result = date_str.parseString("1999/12/31") # -> Exception: Only support years 2000 and later (at char 0), (line:1, col:1) r� r� F)r� r� r� )r� r� r� r� r� )r� r� rF r� r r r � addCondition) s � zParserElement.addConditionc C s || _ | S )a Define action to perform if parsing fails at this expression. Fail acton fn is a callable function that takes the arguments ``fn(s, loc, expr, err)`` where: - s = string being parsed - loc = location where expression match was attempted and failed - expr = the parse expression that failed - err = the exception thrown The function returns no value. It may throw :class:`ParseFatalException` if it is desired to stop parsing immediately.)r� �r� r� r r r � setFailActionB s zParserElement.setFailActionc C sL d}|rHd}| j D ]2}z|�||�\}}d}qW q tyB Y q0 qq|S �NTF)r� r� r> )r� r� r� Z exprsFound�eZdummyr r r �_skipIgnorablesO s z ParserElement._skipIgnorablesc C sH | j r| �||�}| jrD| j}t|�}||k rD|| |v rD|d7 }q&|S �Nr� )r� r� r� r� r� )r� r� r� Zwt�instrlenr r r �preParse\ s zParserElement.preParsec C s |g fS r� r �r� r� r� r� r r r r� h s zParserElement.parseImplc C s |S r� r �r� r� r� � tokenlistr r r � postParsek s zParserElement.postParsec C s� d\}}}| j }|s | j�r"| j| r8| j| ||| � z�|rR| jrR| �||�} n|} | } | jsl| t|�kr�z| �|| |�\}} W q� ty� t |t|�| j | ��Y q�0 n| �|| |�\}} W n^ t �y } zD| j| r�| j| || | | � | j�r| �|| | | � � W Y d } ~ n d } ~ 0 0 n�|�r>| j�r>| �||�} n|} | } | j�s\| t|�k�r�z| �|| |�\}} W n( t�y� t |t|�| j | ��Y n0 n| �|| |�\}} | � ||| �} t | | j| j| jd�} | j�rd|�s�| j�rd|�r�z�| jD ]�}z||| | �} W n8 t�yD } z t d�}||_|�W Y d }~n d }~0 0 | d u�r�| | u�r�t | | j| j�ovt| t tf�| jd�} �q�W nH t �y� } z.| j| �r�| j| || | | � � W Y d } ~ n d } ~ 0 0 n�| jD ]�}z||| | �} W n8 t�y$ } z t d�}||_|�W Y d }~n d }~0 0 | d u�r�| | u�r�t | | j| j�oVt| t tf�| jd�} �q�|�r�| j| �r�| j| || || | � || fS )N)r r� r� )r r z exception raised in parse action)r� r� r� r� r� r� r� r� r r> r� r� r� rA r� r� r� r� r� � __cause__r� r )r� r� r� r� r� ZTRYZMATCHZFAILZ debugging�prelocZ tokensStart�tokens�errZ retTokensr� Zparse_action_excr� r r r r� o s� � � zParserElement._parseNoCachec C s> z| j ||dd�d W S ty8 t||| j| ��Y n0 d S )NF�r� r )r� r@ r> r� �r� r� r� r r r �tryParse� s zParserElement.tryParsec C s2 z| � ||� W n ttfy( Y dS 0 dS d S )NFT)r� r> r r� r r r � canParseNext� s zParserElement.canParseNextc @ s e Zd Zdd� ZdS )z ParserElement._UnboundedCachec s~ i � t � | _�� �fdd�}� fdd�}� fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _d S ) Nc s � � |��S r� �r� �r� rI ��cache� not_in_cacher r r� � s z3ParserElement._UnboundedCache.__init__.<locals>.getc s |� |< d S r� r �r� rI r- �r� r r r� � s z3ParserElement._UnboundedCache.__init__.<locals>.setc s � � � d S r� �rO r� r r r rO � s z5ParserElement._UnboundedCache.__init__.<locals>.clearc s t � �S r� �r� r� r r r � cache_len� s z9ParserElement._UnboundedCache.__init__.<locals>.cache_len)r r� �types� MethodTyper� r� rO r1 )r� r� r� rO r r r� r r� � s z&ParserElement._UnboundedCache.__init__N�r r r r� r r r r �_UnboundedCache� s r Nc @ s e Zd Zdd� ZdS )�ParserElement._FifoCachec s� t � | _�t� � � �fdd�}� �fdd�}� fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _d S ) Nc s � � |��S r� r� r� r� r r r� � s �.ParserElement._FifoCache.__init__.<locals>.getc s< |� |< t � ��kr8z� �d� W q ty4 Y q0 qd S r� )r� �popitemr r� )r� �sizer r r� � s �.ParserElement._FifoCache.__init__.<locals>.setc s � � � d S r� r r� r r r rO � s �0ParserElement._FifoCache.__init__.<locals>.clearc s t � �S r� r r� r r r r � s �4ParserElement._FifoCache.__init__.<locals>.cache_len) r r� � _OrderedDictr r r� r� rO r1 �r� r r� r� rO r r )r� r� r r r� � s �!ParserElement._FifoCache.__init__Nr r r r r � _FifoCache� s r c @ s e Zd Zdd� ZdS )r c s� t � | _�i � t�g ���� �fdd�}� ��fdd�}� �fdd�}� fdd�}t�|| �| _t�|| �| _t�|| �| _t�|| �| _ d S ) Nc s � � |��S r� r� r� r� r r r� s r c s4 |� |< t ���kr&� ���� d � q��|� d S r� )r� rH �popleftr� r� )r� �key_fifor r r r� s r c s � � � �� � d S r� r r� )r� r r r rO s r c s t � �S r� r r� r r r r s r ) r r� � collections�dequer r r� r� rO r1 r r )r� r r� r r r� s r Nr r r r r r s r c C s0 d\}}| ||||f}t j�� t j}|�|�} | |ju r�t j| d7 < z| �||||�} W n: ty� } z"|�|| j | j � � � W Y d } ~ n8d } ~ 0 0 |�|| d | d � � f� | W d � S nBt j| d7 < t | t �r�| �| d | d � � fW d � S W d � n1 �s"0 Y d S )NrW r� r )rC �packrat_cache_lock� packrat_cacher� r� �packrat_cache_statsr� r< r� r� r� rR r� r� ) r� r� r� r� r� ZHITZMISS�lookupr� r- r� r r r � _parseCache+ s$ zParserElement._parseCachec C s( t j�� dgtt j� t jd d �< d S r )rC r rO r� r r r r r � resetCacheD s zParserElement.resetCache� c C s8 t js4dt _| du r t �� t _n t �| �t _t jt _dS )a� Enables "packrat" parsing, which adds memoizing to the parsing logic. Repeated parse attempts at the same string location (which happens often in many complex grammars) can immediately return a cached value, instead of re-executing parsing/validating code. Memoizing is done of both valid results and parsing exceptions. Parameters: - cache_size_limit - (default= ``128``) - if an integer value is provided will limit the size of the packrat cache; if None is passed, then the cache size will be unbounded; if 0 is passed, the cache will be effectively disabled. This speedup may break existing programs that use parse actions that have side-effects. For this reason, packrat parsing is disabled when you first import pyparsing. To activate the packrat feature, your program must call the class method :class:`ParserElement.enablePackrat`. For best results, call ``enablePackrat()`` immediately after importing pyparsing. Example:: from pip._vendor import pyparsing pyparsing.ParserElement.enablePackrat() TN)rC �_packratEnabledr r r r r� )Zcache_size_limitr r r � enablePackratJ s zParserElement.enablePackratc C s� t �� | js| �� | jD ] }|�� q | js8|�� }z<| �|d�\}}|rr| �||�}t � t � }|�||� W nP t y� } z8t j r�� n"t |dd�dur�| �|j�|_|�W Y d}~nd}~0 0 |S dS )a� Execute the parse expression with the given string. This is the main interface to the client code, once the complete expression has been built. Returns the parsed data as a :class:`ParseResults` object, which may be accessed as a list, or as a dict or object with attributes if the given parser includes results names. If you want the grammar to require that the entire input string be successfully parsed, then set ``parseAll`` to True (equivalent to ending the grammar with ``StringEnd()``). Note: ``parseString`` implicitly calls ``expandtabs()`` on the input string, in order to report proper column numbers in parse actions. If the input string contains tabs and the grammar uses parse actions that use the ``loc`` argument to index into the string being parsed, you can ensure you have a consistent view of the input string by: - calling ``parseWithTabs`` on your grammar before calling ``parseString`` (see :class:`parseWithTabs`) - define your parse action using the full ``(s, loc, toks)`` signature, and reference the input string using the parse action's ``s`` argument - explictly expand the tabs in your input string before calling ``parseString`` Example:: Word('a').parseString('aaaaabaaa') # -> ['aaaaa'] Word('a').parseString('aaaaabaaa', parseAll=True) # -> Exception: Expected end of text r r� N)rC r r� � streamliner� r� � expandtabsr� r� r+ rH r< �verbose_stacktracer� r� r� )r� r� �parseAllr� r� r� Zser� r r r � parseStringm s( ! zParserElement.parseStringc c sV | j s| �� | jD ] }|�� q| js4t|��� }t|�}d}| j}| j}t � � d} z�||kr�| |k r�z |||�} ||| dd�\} } W n t y� | d }Y qZ0 | |kr�| d7 } | | | fV |r�|||�} | |kr�| }q�|d7 }q�| }qZ| d }qZW nV t �yP } z<t j �r� n$t|dd�du�r8| �|j�|_|�W Y d}~n d}~0 0 dS )aq Scan the input string for expression matches. Each match will return the matching tokens, start location, and end location. May be called with optional ``maxMatches`` argument, to clip scanning after 'n' matches are found. If ``overlap`` is specified, then overlapping matches will be reported. Note that the start and end locations are reported relative to the string being parsed. See :class:`parseString` for more information on parsing strings with embedded tabs. Example:: source = "sldjf123lsdjjkf345sldkjf879lkjsfd987" print(source) for tokens, start, end in Word(alphas).scanString(source): print(' '*start + '^'*(end-start)) print(' '*start + tokens[0]) prints:: sldjf123lsdjjkf345sldkjf879lkjsfd987 ^^^^^ sldjf ^^^^^^^ lsdjjkf ^^^^^^ sldkjf ^^^^^^ lkjsfd r F�r� r� r� N)r� r r� r� r� r! r� r� r� rC r r> r< r" r� r� r� )r� r� � maxMatchesZoverlapr� r� r� Z preparseFnZparseFn�matchesr� ZnextLocr� Znextlocr� r r r � scanString� sF zParserElement.scanStringc C s g }d}d| _ z�| �|�D ]Z\}}}|�|||� � |rpt|t�rR||�� 7 }n t|t�rf||7 }n |�|� |}q|�||d� � dd� |D �}d�tt t |���W S t y� } z8t j rĂ n"t|dd�dur�| �|j�|_|�W Y d}~n d}~0 0 dS )a[ Extension to :class:`scanString`, to modify matching text with modified tokens that may be returned from a parse action. To use ``transformString``, define a grammar and attach a parse action to it that modifies the returned token list. Invoking ``transformString()`` on a target string will then scan for matches, and replace the matched text patterns according to the logic in the parse action. ``transformString()`` returns the resulting transformed string. Example:: wd = Word(alphas) wd.setParseAction(lambda toks: toks[0].title()) print(wd.transformString("now is the winter of our discontent made glorious summer by this sun of york.")) prints:: Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York. r TNc S s g | ] }|r|�qS r r �r �or r r r r z1ParserElement.transformString.<locals>.<listcomp>r� r� )r� r( r� r� rA r r r� r� r� �_flattenr< rC r" r� r� r� )r� r� rd ZlastEr� r� r� r� r r r r� � s, z ParserElement.transformStringc C sr z t dd� | �||�D ��W S tyl } z8tjr6� n"t|dd�durT| �|j�|_|�W Y d}~n d}~0 0 dS )a� Another extension to :class:`scanString`, simplifying the access to the tokens found to match the given parse expression. May be called with optional ``maxMatches`` argument, to clip searching after 'n' matches are found. Example:: # a capitalized word starts with an uppercase letter, followed by zero or more lowercase letters cap_word = Word(alphas.upper(), alphas.lower()) print(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity")) # the sum() builtin can be used to merge results into a single ParseResults object print(sum(cap_word.searchString("More than Iron, more than Lead, more than Gold I need Electricity"))) prints:: [['More'], ['Iron'], ['Lead'], ['Gold'], ['I'], ['Electricity']] ['More', 'Iron', 'Lead', 'Gold', 'I', 'Electricity'] c S s g | ]\}}}|�qS r r )r r� r� r� r r r r 7 r z.ParserElement.searchString.<locals>.<listcomp>r� N)rA r( r< rC r" r� r� r� )r� r� r& r� r r r � searchString! s zParserElement.searchStringc c sT d}d}| j ||d�D ]*\}}}|||� V |r<|d V |}q||d� V dS )aR Generator method to split a string using the given expression as a separator. May be called with optional ``maxsplit`` argument, to limit the number of splits; and the optional ``includeSeparators`` argument (default= ``False``), if the separating matching text should be included in the split results. Example:: punc = oneOf(list(".,;:/-!?")) print(list(punc.split("This, this?, this sentence, is badly punctuated!"))) prints:: ['This', ' this', '', ' this sentence', ' is badly punctuated', ''] r )r& N)r( ) r� r� �maxsplitZincludeSeparatorsZsplitsZlastr� r� r� r r r r� A s zParserElement.splitc C sV |t u rt| �S t|t�r$| �|�}t|t�sJtjdt|� t dd� dS t | |g�S )a[ Implementation of + operator - returns :class:`And`. Adding strings to a ParserElement converts them to :class:`Literal`s by default. Example:: greet = Word(alphas) + "," + Word(alphas) + "!" hello = "Hello, World!" print (hello, "->", greet.parseString(hello)) prints:: Hello, World! -> ['Hello', ',', 'World', '!'] ``...`` may be used as a parse expression as a short form of :class:`SkipTo`. Literal('start') + ... + Literal('end') is equivalent to: Literal('start') + SkipTo('end')("_skipped*") + Literal('end') Note that the skipped text is returned with '_skipped' as a results name, and to support having multiple skips in the same parser, the value returned is a list of all skipped text. �4Cannot combine element of type %s with ParserElementr� �� stacklevelN) �Ellipsis� _PendingSkipr� r r� rC �warnings�warnr� � SyntaxWarningr$ r\ r r r rT Z s �zParserElement.__add__c C sZ |t u rt| �d�| S t|t�r,| �|�}t|t�sRtjdt|� t dd� dS || S )z` Implementation of + operator when left operand is not a :class:`ParserElement` � _skipped*r. r� r/ N) r1 rG r� r r� rC r3 r4 r� r5 r\ r r r r] � s �zParserElement.__radd__c C sJ t |t�r| �|�}t |t�s:tjdt|� tdd� dS | t� � | S )zT Implementation of - operator, returns :class:`And` with error stop r. r� r/ N) r� r r� rC r3 r4 r� r5 r$ � _ErrorStopr\ r r r �__sub__� s �zParserElement.__sub__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || S )z` Implementation of - operator when left operand is not a :class:`ParserElement` r. r� r/ N�r� r r� rC r3 r4 r� r5 r\ r r r �__rsub__� s �zParserElement.__rsub__c s |t u rd}n8t|t�rF|dd� t fkrFd|dd� d dd� }t|t�r\|d }}n�t|t��rJtdd � |D ��}|d dd� }|d du r�d|d f}t|d t�r�|d du r�|d dkr�t��S |d dkr�t��S �|d t�� S nNt|d t��r,t|d t��r,|\}}||8 }n td t|d �t|d ���ntd t|���|dk �rjtd ��|dk �r|td��|| k�r�dk�r�n ntd��|�r� �fdd�� |�r�|dk�r҈� |� }nt �g| �� |� }n� |�}n |dk�r�}nt �g| �}|S )a� Implementation of * operator, allows use of ``expr * 3`` in place of ``expr + expr + expr``. Expressions may also me multiplied by a 2-integer tuple, similar to ``{min, max}`` multipliers in regular expressions. Tuples may also include ``None`` as in: - ``expr*(n, None)`` or ``expr*(n, )`` is equivalent to ``expr*n + ZeroOrMore(expr)`` (read as "at least n instances of ``expr``") - ``expr*(None, n)`` is equivalent to ``expr*(0, n)`` (read as "0 to n instances of ``expr``") - ``expr*(None, None)`` is equivalent to ``ZeroOrMore(expr)`` - ``expr*(1, None)`` is equivalent to ``OneOrMore(expr)`` Note that ``expr*(None, n)`` does not raise an exception if more than n exprs exist in the input stream; that is, ``expr*(None, n)`` does not enforce a maximum number of expr occurrences. If this behavior is desired, then write ``expr*(None, n) + ~expr`` )r NNr� r r� r� r c s s | ]}|t ur|nd V qd S r� )r1 r) r r r r� � r z(ParserElement.__mul__.<locals>.<genexpr>�NNz8cannot multiply 'ParserElement' and ('%s', '%s') objectsz0cannot multiply 'ParserElement' and '%s' objectsz/cannot multiply ParserElement by negative valuez@second tuple value must be greater or equal to first tuple valuez,cannot multiply ParserElement by 0 or (0, 0)c s( | dkr t �� | d � �S t ��S d S r� )r: ��n��makeOptionalListr� r r r? � s z/ParserElement.__mul__.<locals>.makeOptionalList) r1 r� �tupler� rQ r8 r r� � ValueErrorr$ )r� rS Z minElementsZ optElementsr� r r> r �__mul__� sN zParserElement.__mul__c C s | � |�S r� )rB r\ r r r �__rmul__� s zParserElement.__rmul__c C sZ |t u rt| dd�S t|t�r(| �|�}t|t�sNtjdt|� t dd� dS t | |g�S )zL Implementation of | operator - returns :class:`MatchFirst` T)� must_skipr. r� r/ N) r1 r2 r� r r� rC r3 r4 r� r5 r5 r\ r r r �__or__� s �zParserElement.__or__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || B S )z` Implementation of | operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__ror__ s �zParserElement.__ror__c C sF t |t�r| �|�}t |t�s:tjdt|� tdd� dS t| |g�S )zD Implementation of ^ operator - returns :class:`Or` r. r� r/ N) r� r r� rC r3 r4 r� r5 r; r\ r r r �__xor__ s �zParserElement.__xor__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || A S )z` Implementation of ^ operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__rxor__ s �zParserElement.__rxor__c C sF t |t�r| �|�}t |t�s:tjdt|� tdd� dS t| |g�S )zF Implementation of & operator - returns :class:`Each` r. r� r/ N) r� r r� rC r3 r4 r� r5 r* r\ r r r �__and__' s �zParserElement.__and__c C sB t |t�r| �|�}t |t�s:tjdt|� tdd� dS || @ S )z` Implementation of & operator when left operand is not a :class:`ParserElement` r. r� r/ Nr9 r\ r r r �__rand__3 s �zParserElement.__rand__c C s t | �S )zH Implementation of ~ operator - returns :class:`NotAny` )r7 r� r r r � __invert__? s zParserElement.__invert__c C s t d| jj ��d S )Nz%r object is not iterable)r r� r r� r r r r6 E s zParserElement.__iter__c C s� z t |t�r|f}t|� W n ty6 ||f}Y n0 t|�dkrxt�d�|dd� t|�dkrpd�t|��nd�� | t|dd� � }|S )a� use ``[]`` indexing notation as a short form for expression repetition: - ``expr[n]`` is equivalent to ``expr*n`` - ``expr[m, n]`` is equivalent to ``expr*(m, n)`` - ``expr[n, ...]`` or ``expr[n,]`` is equivalent to ``expr*n + ZeroOrMore(expr)`` (read as "at least n instances of ``expr``") - ``expr[..., n]`` is equivalent to ``expr*(0, n)`` (read as "0 to n instances of ``expr``") - ``expr[...]`` and ``expr[0, ...]`` are equivalent to ``ZeroOrMore(expr)`` - ``expr[1, ...]`` is equivalent to ``OneOrMore(expr)`` ``None`` may be used in place of ``...``. Note that ``expr[..., n]`` and ``expr[m, n]``do not raise an exception if more than ``n`` ``expr``s exist in the input stream. If this behavior is desired, then write ``expr[..., n] + ~expr``. r� z.only 1 or 2 index arguments supported ({0}{1})Nr� z ... [{0}]r� ) r� r� r5 r r� r3 r4 r� r@ )r� rI r� r r r r J s ��zParserElement.__getitem__c C s |dur| � |�S | �� S dS )a� Shortcut for :class:`setResultsName`, with ``listAllMatches=False``. If ``name`` is given with a trailing ``'*'`` character, then ``listAllMatches`` will be passed as ``True``. If ``name` is omitted, same as calling :class:`copy`. Example:: # these are equivalent userdata = Word(alphas).setResultsName("name") + Word(nums + "-").setResultsName("socsecno") userdata = Word(alphas)("name") + Word(nums + "-")("socsecno") N)r� rR rP r r r �__call__n s zParserElement.__call__c C s t | �S )z� Suppresses the output of this :class:`ParserElement`; useful to keep punctuation from cluttering up returned output. )rJ r� r r r �suppress� s zParserElement.suppressc C s d| _ | S )a Disables the skipping of whitespace before matching the characters in the :class:`ParserElement`'s defined pattern. This is normally only used internally by the pyparsing module, but may be needed in some whitespace-sensitive grammars. F�r� r� r r r �leaveWhitespace� s z ParserElement.leaveWhitespacec C s d| _ || _d| _| S )z8 Overrides the default whitespace chars TF)r� r� r� )r� r� r r r �setWhitespaceChars� s z ParserElement.setWhitespaceCharsc C s d| _ | S )z� Overrides default behavior to expand ``<TAB>``s to spaces before parsing the input string. Must be called before ``parseString`` when the input grammar contains elements that match ``<TAB>`` characters. T)r� r� r r r � parseWithTabs� s zParserElement.parseWithTabsc C sL t |t�rt|�}t |t�r4|| jvrH| j�|� n| j�t|�� �� | S )a� Define expression to be ignored (e.g., comments) while doing pattern matching; may be called repeatedly, to define multiple comment or other ignorable patterns. Example:: patt = OneOrMore(Word(alphas)) patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj'] patt.ignore(cStyleComment) patt.parseString('ablaj /* comment */ lskjd') # -> ['ablaj', 'lskjd'] )r� r rJ r� r� rR r\ r r r �ignore� s zParserElement.ignorec C s" |pt |p t|ptf| _d| _| S )zT Enable display of debugging messages while doing pattern matching. T)r� r� r� r� r� )r� Z startActionZ successActionZexceptionActionr r r �setDebugActions� s �z ParserElement.setDebugActionsc C s |r| � ttt� nd| _| S )a� Enable display of debugging messages while doing pattern matching. Set ``flag`` to True to enable, False to disable. Example:: wd = Word(alphas).setName("alphaword") integer = Word(nums).setName("numword") term = wd | integer # turn on debugging for wd wd.setDebug() OneOrMore(term).parseString("abc 123 xyz 890") prints:: Match alphaword at loc 0(1,1) Matched alphaword -> ['abc'] Match alphaword at loc 3(1,4) Exception raised:Expected alphaword (at char 4), (line:1, col:5) Match alphaword at loc 7(1,8) Matched alphaword -> ['xyz'] Match alphaword at loc 11(1,12) Exception raised:Expected alphaword (at char 12), (line:1, col:13) Match alphaword at loc 15(1,16) Exception raised:Expected alphaword (at char 15), (line:1, col:16) The output shown is that produced by the default debug actions - custom debug actions can be specified using :class:`setDebugActions`. Prior to attempting to match the ``wd`` expression, the debugging message ``"Match <exprname> at loc <n>(<line>,<col>)"`` is shown. Then if the parse succeeds, a ``"Matched"`` message is shown, or an ``"Exception raised"`` message is shown. Also note the use of :class:`setName` to assign a human-readable name to the expression, which makes debugging and exception messages easier to understand - for instance, the default name created for the :class:`Word` expression without calling ``setName`` is ``"W:(ABCD...)"``. F)rS r� r� r� r� )r� �flagr r r r� � s %zParserElement.setDebugc C s | j S r� r� r� r r r r� � s zParserElement.__str__c C s t | �S r� r� r� r r r r� � s zParserElement.__repr__c C s d| _ d | _| S r )r� r� r� r r r r � s zParserElement.streamlinec C s d S r� r r� r r r �checkRecursion� s z ParserElement.checkRecursionc C s | � g � dS )zj Check defined expressions for valid structure, check for infinite recursive definitions. N)rU )r� � validateTracer r r �validate� s zParserElement.validatec C s� z |� � }W nD tyP t|d��}|� � }W d � n1 sB0 Y Y n0 z| �||�W S ty� } z8tjrz� n"t|dd�dur�| �|j �|_ |�W Y d}~n d}~0 0 dS )z� Execute the parse expression on the given file or filename. If a filename is specified (instead of a file object), the entire file is opened, read, and closed before parsing. �rNr� ) �readr� �openr$ r< rC r" r� r� r� )r� Zfile_or_filenamer# Z file_contents�fr� r r r � parseFile s ,zParserElement.parseFilec C s> | |u r dS t |t�r | �|�S t |t�r:t| �t|�kS dS r� )r� r r' rC �varsr\ r r r �__eq__ s zParserElement.__eq__c C s | |k S r� r r\ r r r �__ne__$ s zParserElement.__ne__c C s t | �S r� )�idr� r r r �__hash__' s zParserElement.__hash__c C s | |kS r� r r\ r r r �__req__* s zParserElement.__req__c C s | |k S r� r r\ r r r �__rne__- s zParserElement.__rne__c C s2 z| j t|�|d� W dS ty, Y dS 0 dS )a� Method for quick testing of a parser against a test string. Good for simple inline microtests of sub expressions while building up larger parser. Parameters: - testString - to test against this expression for a match - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests Example:: expr = Word(nums) assert expr.matches("100") �r# TFN)r$ r� r< )r� Z testStringr# r r r r' 0 s zParserElement.matches�#c C s� t |t�r"tttj|�� �� ��}t |t�r4t|�}|du rBt j }|j } g } g } d} td�� t d���t�} d}|D �]p}|dur�|�|d�s�| r�|s�| �|� qt|s�qt| r�dd�| � nd|g}g } z"| �|�|��}| j||d�}W n� t�y� } z�t |t��r d nd}d|v �rN|�t|j|�� |�d t|j|�d d | � n|�d |j d | � |�d t|� � | �o�|} |}W Y d}~�n d}~0 t�y� } z,|�dt|� � | �o�|} |}W Y d}~n�d}~0 0 | �o�| } |du�r�zR|||�}|du�r:t |t ��r*|�|� � � n|�t|�� n|�|� � � W nT t�y� } z:|�|j |d�� |�d� |j t |�j |�� W Y d}~n d}~0 0 n|�|j |d�� |�r�|�r�|�d� | d�|�� | �||f� qt| | fS )as Execute the parse expression on a series of test strings, showing each test, the parsed results or where the parse failed. Quick and easy way to run a parse expression against a list of sample strings. Parameters: - tests - a list of separate test strings, or a multiline string of test strings - parseAll - (default= ``True``) - flag to pass to :class:`parseString` when running tests - comment - (default= ``'#'``) - expression for indicating embedded comments in the test string; pass None to disable comment filtering - fullDump - (default= ``True``) - dump results as list followed by results names in nested outline; if False, only dump nested list - printResults - (default= ``True``) prints test output to stdout - failureTests - (default= ``False``) indicates if these tests are expected to fail parsing - postParse - (default= ``None``) optional callback for successful parse results; called as `fn(test_string, parse_results)` and returns a string to be added to the test output - file - (default=``None``) optional file-like object to which test output will be written; if None, will default to ``sys.stdout`` Returns: a (success, results) tuple, where success indicates that all tests succeeded (or failed if ``failureTests`` is True), and the results contain a list of lines of each test's output Example:: number_expr = pyparsing_common.number.copy() result = number_expr.runTests(''' # unsigned integer 100 # negative integer -100 # float with scientific notation 6.02e23 # integer with scientific notation 1e-12 ''') print("Success" if result[0] else "Failed!") result = number_expr.runTests(''' # stray character 100Z # missing leading digit before '.' -.100 # too many '.' 3.14.159 ''', failureTests=True) print("Success" if result[0] else "Failed!") prints:: # unsigned integer 100 [100] # negative integer -100 [-100] # float with scientific notation 6.02e23 [6.02e+23] # integer with scientific notation 1e-12 [1e-12] Success # stray character 100Z ^ FAIL: Expected end of text (at char 3), (line:1, col:4) # missing leading digit before '.' -.100 ^ FAIL: Expected {real number with scientific notation | real number | signed integer} (at char 0), (line:1, col:1) # too many '.' 3.14.159 ^ FAIL: Expected end of text (at char 4), (line:1, col:5) Success Each test string must be on a single line. If you want to test a string that spans multiple lines, create a test like this:: expr.runTest(r"this is a test\n of strings that spans \n 3 lines") (Note that this is a raw string literal, you must include the leading 'r'.) NT�\nr� u Fr� rd z(FATAL)r� r� r� zFAIL: zFAIL-EXCEPTION: )rz z{0} failed: {1}: {2})!r� r r r� r� r� �rstrip� splitlinesr3 r� �stdout�writer� r| rR ry r' r� r� r� �lstripr$ r< r@ rg r� rY r� rA r r� r r� )r� Ztestsr# ZcommentZfullDumpZ printResultsZ failureTestsr� �file�print_Z allResultsZcomments�successr� �BOMr� rd �resultr� r� r� Zpp_valuer� r r r �runTestsD sn ` $ 4 zParserElement.runTests)F)F)F)T)T)TT)TT)r )F)N)T)N)F)T)Tre TTFNN)Sr r r r� r� r" r� r� r� r� r� r� rR r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r r r r� r r r r$ �_MAX_INTr( r� r, r� rT r] r8 r: rB rC rE rF rG rH rI rJ rK r6 r rL rM rO rP rQ rR rS r� r� r� r rU rW r\ r^ r_ ra rb rc r' rq r r r r rC G s� 1 W " :J0 & J $ + �rC c s6 e Zd Zd � fdd� Zdd� Zdd� Zdd � Z� ZS ) r2 Fc s> t t| ��� t|t� ��dd�| _| j| _|| _|| _ d S )Nr+ �...) �superr2 r� r� r+ r� r� r �anchorrD )r� r� rD �r� r r r� � s z_PendingSkip.__init__c s\ t |��d�d�}� jrNdd� }� fdd�}� j|� �|� |� �|�B | S � j| | S )Nrs r6 c S s, | j r| j �� dgkr(| d= | �dd � d S )Nr� r �_skipped)rw r rH r� r r r rD � s z'_PendingSkip.__add__.<locals>.must_skipc s< | j �� dd � dgkr8| �d�}dt� j� d | d< d S )Nr� r� rw z missing <rp )rw r rH r ru )r� Zskippedr� r r � show_skip� s z'_PendingSkip.__add__.<locals>.show_skip)rG r� rD ru r� )r� rS ZskipperrD rx r r� r rT � s ��z_PendingSkip.__add__c C s | j S r� )r� r� r r r r� s z_PendingSkip.__repr__c G s t d��d S )NzBuse of `...` expression without following SkipTo target expression)r� �r� r� r r r r� s z_PendingSkip.parseImpl)F)r r r r� rT r� r� � __classcell__r r rv r r2 � s r2 c s e Zd ZdZ� fdd�Z� ZS )rK zYAbstract :class:`ParserElement` subclass, for defining atomic matching patterns. c s t t| �jdd� d S �NF�r� )rt rK r� r� rv r r r� s zToken.__init__�r r r r� r� rz r r rv r rK s rK c s e Zd ZdZ� fdd�Z� ZS )r+ z'An empty token, will always match. c s$ t t| ��� d| _d| _d| _d S )Nr+ TF)rt r+ r� r r� r� r� rv r r r� s zEmpty.__init__r} r r rv r r+ s r+ c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r6 z#A token that will never match. c s* t t| ��� d| _d| _d| _d| _d S )Nr6 TFzUnmatchable token)rt r6 r� r r� r� r� r� rv r r r� s zNoMatch.__init__Tc C s t ||| j| ��d S r� )r> r� r� r r r r� $ s zNoMatch.parseImpl)T�r r r r� r� r� rz r r rv r r6 s r6 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r3 a� Token to exactly match a specified string. Example:: Literal('blah').parseString('blah') # -> ['blah'] Literal('blah').parseString('blahfooblah') # -> ['blah'] Literal('blah').parseString('bla') # -> Exception: Expected "blah" For case-insensitive matching, use :class:`CaselessLiteral`. For keyword matching (force word break before and after the matched string), use :class:`Keyword` or :class:`CaselessKeyword`. c s� t t| ��� || _t|�| _z|d | _W n( tyT tj dt dd� t | _ Y n0 dt | j� | _d| j | _d| _d| _| jdkr�t| �tu r�t| _ d S ) Nr z2null string passed to Literal; use Empty() insteadr� r/ �"%s"r� Fr� )rt r3 r� �matchr� �matchLen�firstMatchCharr r3 r4 r5 r+ r� r� r r� r� r� r� �_SingleCharLiteral�r� � matchStringrv r r r� 6 s � zLiteral.__init__Tc C s@ || | j kr,|�| j|�r,|| j | jfS t||| j| ��d S r� )r� r r� r� r> r� r� r r r r� J s zLiteral.parseImpl)Tr~ r r rv r r3 ( s r3 c @ s e Zd Zddd�ZdS )r� Tc C s0 || | j kr |d | jfS t||| j| ��d S r� )r� r� r> r� r� r r r r� P s z _SingleCharLiteral.parseImplN)T�r r r r� r r r r r� O s r� c sL e Zd ZdZed Zd� fdd� Zddd �Z� fd d �Ze d d � �Z � Z S )r0 a� Token to exactly match a specified string as a keyword, that is, it must be immediately followed by a non-keyword character. Compare with :class:`Literal`: - ``Literal("if")`` will match the leading ``'if'`` in ``'ifAndOnlyIf'``. - ``Keyword("if")`` will not; it will only match the leading ``'if'`` in ``'if x=1'``, or ``'if(y==2)'`` Accepts two optional constructor arguments in addition to the keyword string: - ``identChars`` is a string of characters that would be valid identifier characters, defaulting to all alphanumerics + "_" and "$" - ``caseless`` allows case-insensitive matching, default is ``False``. Example:: Keyword("start").parseString("start") # -> ['start'] Keyword("start").parseString("starting") # -> Exception For case-insensitive matching, use :class:`CaselessKeyword`. �_$NFc s� t t| ��� |d u r tj}|| _t|�| _z|d | _W n" ty\ t j dt dd� Y n0 d| j | _ d| j | _ d| _d| _|| _|r�|�� | _|�� }t|�| _d S )Nr z2null string passed to Keyword; use Empty() insteadr� r/ r r� F)rt r0 r� �DEFAULT_KEYWORD_CHARSr� r� r� r� r r3 r4 r5 r r� r� r� �caseless�upper� caselessmatchr� � identChars)r� r� r� r� rv r r r� s s( � zKeyword.__init__Tc C s | j r||||| j � �� | jkr�|t|�| j ksL||| j �� | jvr�|dksj||d �� | jvr�|| j | jfS nv|| | jkr�| jdks�|�| j|�r�|t|�| j ks�||| j | jvr�|dks�||d | jvr�|| j | jfS t ||| j | ��d S r& ) r� r� r� r� r� r� r� r� r r> r� r� r r r r� � s. ��������zKeyword.parseImplc s t t| ��� }tj|_|S r� )rt r0 rR r� r� )r� r� rv r r rR � s z Keyword.copyc C s | t _dS )z,Overrides the default Keyword chars N)r0 r� r� r r r �setDefaultKeywordChars� s z Keyword.setDefaultKeywordChars)NF)T) r r r r� rS r� r� r� rR r� r� rz r r rv r r0 X s r0 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r& af Token to match a specified string, ignoring case of letters. Note: the matched results will always be in the case of the given match string, NOT the case of the input text. Example:: OneOrMore(CaselessLiteral("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD', 'CMD'] (Contrast with example for :class:`CaselessKeyword`.) c s6 t t| ��|�� � || _d| j | _d| j | _d S )Nz'%s'r� )rt r& r� r� � returnStringr r� r� rv r r r� � s zCaselessLiteral.__init__Tc C s@ |||| j � �� | jkr,|| j | jfS t||| j| ��d S r� )r� r� r� r� r> r� r� r r r r� � s zCaselessLiteral.parseImpl)Tr~ r r rv r r& � s r& c s" e Zd ZdZd� fdd� Z� ZS )r% z� Caseless version of :class:`Keyword`. Example:: OneOrMore(CaselessKeyword("CMD")).parseString("cmd CMD Cmd10") # -> ['CMD', 'CMD'] (Contrast with example for :class:`CaselessLiteral`.) Nc s t t| �j||dd� d S )NT�r� )rt r% r� )r� r� r� rv r r r� � s zCaselessKeyword.__init__)Nr} r r rv r r% � s r% c s, e Zd ZdZd� fdd� Zd dd�Z� ZS ) r� a� A variation on :class:`Literal` which matches "close" matches, that is, strings with at most 'n' mismatching characters. :class:`CloseMatch` takes parameters: - ``match_string`` - string to be matched - ``maxMismatches`` - (``default=1``) maximum number of mismatches allowed to count as a match The results from a successful parse will contain the matched text from the input string and the following named results: - ``mismatches`` - a list of the positions within the match_string where mismatches were found - ``original`` - the original match_string used to compare against the input string If ``mismatches`` is an empty list, then the match was an exact match. Example:: patt = CloseMatch("ATCATCGAATGGA") patt.parseString("ATCATCGAAXGGA") # -> (['ATCATCGAAXGGA'], {'mismatches': [[9]], 'original': ['ATCATCGAATGGA']}) patt.parseString("ATCAXCGAAXGGA") # -> Exception: Expected 'ATCATCGAATGGA' (with up to 1 mismatches) (at char 0), (line:1, col:1) # exact match patt.parseString("ATCATCGAATGGA") # -> (['ATCATCGAATGGA'], {'mismatches': [[]], 'original': ['ATCATCGAATGGA']}) # close match allowing up to 2 mismatches patt = CloseMatch("ATCATCGAATGGA", maxMismatches=2) patt.parseString("ATCAXCGAAXGGA") # -> (['ATCAXCGAAXGGA'], {'mismatches': [[4, 9]], 'original': ['ATCATCGAATGGA']}) r� c sB t t| ��� || _|| _|| _d| j| jf | _d| _d| _d S )Nz&Expected %r (with up to %d mismatches)F) rt r� r� r � match_string� maxMismatchesr� r� r� )r� r� r� rv r r r� � s zCloseMatch.__init__Tc C s� |}t |�}|t | j� }||kr�| j}d}g } | j} tt|||� |��D ]2\}} | \} } | | krL| �|� t | �| krL q�qL|d }t|||� g�}||d< | |d< ||fS t||| j| ��d S )Nr r� �original� mismatches) r� r� r� r� r� r� rA r> r� )r� r� r� r� �startr� �maxlocr� Zmatch_stringlocr� r� Zs_m�src�mat�resultsr r r r� � s( zCloseMatch.parseImpl)r� )Tr~ r r rv r r� � s r� c s8 e Zd ZdZd � fdd� Zdd d �Z� fd d �Z� ZS )rN aX Token for matching words composed of allowed character sets. Defined with string containing all allowed initial characters, an optional string containing allowed body characters (if omitted, defaults to the initial character set), and an optional minimum, maximum, and/or exact length. The default value for ``min`` is 1 (a minimum value < 1 is not valid); the default values for ``max`` and ``exact`` are 0, meaning no maximum or exact length restriction. An optional ``excludeChars`` parameter can list characters that might be found in the input ``bodyChars`` string; useful to define a word of all printables except for one or two characters, for instance. :class:`srange` is useful for defining custom character set strings for defining ``Word`` expressions, using range notation from regular expression character sets. A common mistake is to use :class:`Word` to match a specific literal string, as in ``Word("Address")``. Remember that :class:`Word` uses the string argument to define *sets* of matchable characters. This expression would match "Add", "AAA", "dAred", or any other word made up of the characters 'A', 'd', 'r', 'e', and 's'. To match an exact literal string, use :class:`Literal` or :class:`Keyword`. pyparsing includes helper strings for building Words: - :class:`alphas` - :class:`nums` - :class:`alphanums` - :class:`hexnums` - :class:`alphas8bit` (alphabetic characters in ASCII range 128-255 - accented, tilded, umlauted, etc.) - :class:`punc8bit` (non-alphabetic characters in ASCII range 128-255 - currency, symbols, superscripts, diacriticals, etc.) - :class:`printables` (any non-whitespace character) Example:: # a word composed of digits integer = Word(nums) # equivalent to Word("0123456789") or Word(srange("0-9")) # a word with a leading capital, and zero or more lowercase capital_word = Word(alphas.upper(), alphas.lower()) # hostnames are alphanumeric, with leading alpha, and '-' hostname = Word(alphas, alphanums + '-') # roman numeral (not a strict parser, accepts invalid mix of characters) roman = Word("IVXLCDM") # any string of non-whitespace characters, except for ',' csv_value = Word(printables, excludeChars=",") Nr� r Fc s� t t| ��� � rNt� �� d�� fdd�|D ��}|rNd�� fdd�|D ��}|| _t|�| _|rt|| _t|�| _n|| _t|�| _|dk| _ |dk r�t d��|| _ |dkr�|| _ nt | _ |dkr�|| _ || _ t| �| _d| j | _d | _|| _d | j| j v�r�|dk�r�|dk�r�|dk�r�| j| jk�r@d t| j� | _nHt| j�dk�rnd t�| j�t| j�f | _nd t| j�t| j�f | _| j�r�d| j d | _zt�| j�| _W n t�y� d | _Y n0 | jj| _t | _ d S )Nr� c 3 s | ]}|� vr|V qd S r� r r� �� excludeCharsr r r� H r z Word.__init__.<locals>.<genexpr>c 3 s | ]}|� vr|V qd S r� r r� r� r r r� J r r r� zZcannot specify a minimum length < 1; use Optional(Word()) if zero-length word is permittedr� Fr� z[%s]+z%s[%s]*z [%s][%s]*z\b) rt rN r� r� r� � initCharsOrig� initChars� bodyCharsOrig� bodyChars� maxSpecifiedrA �minLen�maxLenrr r� r r� r� � asKeyword�_escapeRegexRangeChars�reStringr� r� �escape�compiler� r� �re_match� _WordRegexr� )r� r� r� �min�max�exactr� r� rv r� r r� D sZ 0 � � z Word.__init__Tc C s� || | j vr t||| j| ��|}|d7 }t|�}| j}|| j }t||�}||k rj|| |v rj|d7 }qLd}|| | jk r�d}nV| jr�||k r�|| |v r�d}n6| j r�|dkr�||d |v s�||k r�|| |v r�d}|r�t||| j| ��||||� fS )Nr� FTr ) r� r> r� r� r� r� r� r� r� r� ) r� r� r� r� r� r� Z bodycharsr� ZthrowExceptionr r r r� } s2 � �zWord.parseImplc st zt t| ��� W S ty" Y n0 | jd u rndd� }| j| jkr^d|| j�|| j�f | _nd|| j� | _| jS )Nc S s$ t | �dkr | d d� d S | S d S )N� rs r �r� r r r � charsAsStr� s z Word.__str__.<locals>.charsAsStrz W:(%s, %s)zW:(%s))rt rN r� r� r� r� r� )r� r� rv r r r� � s z Word.__str__)Nr� r r FN)T�r r r r� r� r� r� rz r r rv r rN s 49 rN c @ s e Zd Zddd�ZdS )r� Tc C s4 | � ||�}|s t||| j| ��|�� }||�� fS r� )r� r> r� �end�group)r� r� r� r� rp r r r r� � s z_WordRegex.parseImplN)Tr� r r r r r� � s r� c s" e Zd ZdZd� fdd� Z� ZS )rR z�A short-cut class for defining ``Word(characters, exact=1)``, when defining a match of any single character in a string of characters. FNc sZ t t| �j|d||d� dtd�| j�� | _|r>d| j | _t�| j�| _| jj | _ d S )Nr� )r� r� r� �[%s]r� z\b%s\b) rt rR r� r� r� r� r� r� r� r� r� )r� �charsetr� r� rv r r r� � s z Char.__init__)FNr} r r rv r rR � s rR c sT e Zd ZdZd� fdd� Zddd�Zdd d �Zdd d �Z� fd d�Zdd� Z � Z S )rF ah Token for matching strings that match a given regular expression. Defined with string specifying the regular expression in a form recognized by the stdlib Python `re module <https://docs.python.org/3/library/re.html>`_. If the given regex contains named groups (defined using ``(?P<name>...)``), these will be preserved as named parse results. If instead of the Python stdlib re module you wish to use a different RE module (such as the `regex` module), you can replace it by either building your Regex object with a compiled RE that was compiled using regex: Example:: realnum = Regex(r"[+-]?\d+\.\d*") date = Regex(r'(?P<year>\d{4})-(?P<month>\d\d?)-(?P<day>\d\d?)') # ref: https://stackoverflow.com/questions/267399/how-do-you-match-only-valid-roman-numerals-with-a-regular-expression roman = Regex(r"M{0,4}(CM|CD|D?{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})") # use regex module instead of stdlib re module to construct a Regex using # a compiled regular expression import regex parser = pp.Regex(regex.compile(r'[0-9]')) r Fc s" t t| ��� t|t�r�|s,tjdtdd� || _|| _ z t � | j| j �| _ | j| _ W q� t jy� tjd| tdd� � Y q�0 n8t|d�r�t|d�r�|| _ |j | _| _ || _ ntd��| j j| _t| �| _d| j | _d | _| �d �d u| _|| _|| _| j�r| j| _| j�r | j | _d S ) a The parameters ``pattern`` and ``flags`` are passed to the ``re.compile()`` function as-is. See the Python `re module <https://docs.python.org/3/library/re.html>`_ module for an explanation of the acceptable patterns and flags. z0null string passed to Regex; use Empty() insteadr� r/ �$invalid pattern (%s) passed to Regex�patternr� zCRegex may only be constructed with a string or a compiled RE objectr� Fr� N) rt rF r� r� r r3 r4 r5 r� �flagsr� r� r� � sre_constants�errorr: r r� r� r� r r� r� r� � asGroupList�asMatch�parseImplAsGroupListr� �parseImplAsMatch)r� r� r� r� r� rv r r r� � s@ � � zRegex.__init__Tc C sb | � ||�}|s t||| j| ��|�� }t|�� �}|�� }|rZ|�� D ]\}}|||< qH||fS r� )r� r> r� r� rA r� � groupdictr* ) r� r� r� r� rp r� �dr# r r r r r� s zRegex.parseImplc C s8 | � ||�}|s t||| j| ��|�� }|�� }||fS r� )r� r> r� r� �groups�r� r� r� r� rp r� r r r r� s zRegex.parseImplAsGroupListc C s4 | � ||�}|s t||| j| ��|�� }|}||fS r� )r� r> r� r� r� r r r r� ! s zRegex.parseImplAsMatchc sD zt t| ��� W S ty" Y n0 | jd u r>dt| j� | _| jS )NzRe:(%s))rt rF r� r� r� r r� r� rv r r r� * s z Regex.__str__c sl �j r tjdtdd� t� ��jr@t� �r@tjdtdd� t� ��jrT� fdd�}n� �fdd�}��|�S )a� Return Regex with an attached parse action to transform the parsed result as if called using `re.sub(expr, repl, string) <https://docs.python.org/3/library/re.html#re.sub>`_. Example:: make_html = Regex(r"(\w+):(.*?):").sub(r"<\1>\2</\1>") print(make_html.transformString("h1:main title:")) # prints "<h1>main title</h1>" z-cannot use sub() with Regex(asGroupList=True)r� r/ z9cannot use sub() with a callable with Regex(asMatch=True)c s | d � � �S r )�expand�r� )�replr r r� K s zRegex.sub.<locals>.pac s �j �� | d �S r )r� r$ r� �r� r� r r r� N s )r� r3 r4 r5 � SyntaxErrorr� r� r� )r� r� r� r r� r r$ 5 s ��z Regex.sub)r FF)T)T)T) r r r r� r� r� r� r� r� r$ rz r r rv r rF � s - rF c s8 e Zd ZdZd � fdd� Zd dd�Z� fd d �Z� ZS ) rD a& Token for matching strings that are delimited by quoting characters. Defined with the following parameters: - quoteChar - string of one or more characters defining the quote delimiting string - escChar - character to escape quotes, typically backslash (default= ``None``) - escQuote - special quote sequence to escape an embedded quote string (such as SQL's ``""`` to escape an embedded ``"``) (default= ``None``) - multiline - boolean indicating whether quotes can span multiple lines (default= ``False``) - unquoteResults - boolean indicating whether the matched text should be unquoted (default= ``True``) - endQuoteChar - string of one or more characters defining the end of the quote delimited string (default= ``None`` => same as quoteChar) - convertWhitespaceEscapes - convert escaped whitespace (``'\t'``, ``'\n'``, etc.) to actual whitespace (default= ``True``) Example:: qs = QuotedString('"') print(qs.searchString('lsjdf "This is the quote" sldjf')) complex_qs = QuotedString('{{', endQuoteChar='}}') print(complex_qs.searchString('lsjdf {{This is the "quote"}} sldjf')) sql_qs = QuotedString('"', escQuote='""') print(sql_qs.searchString('lsjdf "This is the quote with ""embedded"" quotes" sldjf')) prints:: [['This is the quote']] [['This is the "quote"']] [['This is the quote with "embedded" quotes']] NFTc sV t t� ��� |�� }|s0tjdtdd� t� �|d u r>|}n"|�� }|s`tjdtdd� t� �|� _t |�� _ |d � _ |� _ t |�� _ |� _|� _|� _|� _|r�tjtjB � _dt�� j�t� j d �|d ur�t|�p�df � _n<d� _dt�� j�t� j d �|d u�rt|��p df � _t � j �d k�rp� jd d �� fd d �tt � j �d dd�D �� d 7 _|�r�� jdt�|� 7 _|�r�� jdt�|� 7 _t�� j�d � _� jdt�� j � 7 _z(t� � j� j�� _� j� _ � jj � _ W n. t j!�y. tjd� j tdd� � Y n0 t"� �� _#d� j# � _$d� _%d� _&d S )Nz$quoteChar cannot be the empty stringr� r/ z'endQuoteChar cannot be the empty stringr z %s(?:[^%s%s]r� z%s(?:[^%s\n\r%s]r� z|(?:z)|(?:c 3 s4 | ],}d t �� jd|� �t� j| �f V qdS )z%s[^%s]N)r� r� � endQuoteCharr� r` r� r r r� � s � �z(QuotedString.__init__.<locals>.<genexpr>r� �)z|(?:%s)z|(?:%s.)z(.)z)*%sr� r� FT)'rt rD r� r� r3 r4 r5 r� � quoteCharr� � quoteCharLen�firstQuoteCharr� �endQuoteCharLen�escChar�escQuote�unquoteResults�convertWhitespaceEscapesr� � MULTILINE�DOTALLr� r� r� r� r� r' �escCharReplacePatternr� r� r� r� r� r� r� r r� r� r� )r� r� r� r� Z multiliner� r� r� rv r� r r� y st � ���� � zQuotedString.__init__c C s� || | j kr| �||�p d }|s2t||| j| ��|�� }|�� }| jr�|| j| j � }t |t �r�d|v r�| j r�ddddd�}|� � D ]\}}|� ||�}q�| jr�t�| jd|�}| jr�|� | j| j�}||fS )Nr� � r� � � )�\trf z\fz\rz\g<1>)r� r� r> r� r� r� r� r� r� r� r r� r* r� r� r� r$ r� r� r� ) r� r� r� r� rp r� Zws_mapZwslitZwscharr r r r� � s* �zQuotedString.parseImplc sF zt t| ��� W S ty" Y n0 | jd u r@d| j| jf | _| jS )Nz.quoted string, starting with %s ending with %s)rt rD r� r� r� r� r� r� rv r r r� � s zQuotedString.__str__)NNFTNT)Tr� r r rv r rD R s & �A #rD c s8 e Zd ZdZd � fdd� Zd dd�Z� fd d �Z� ZS ) r' a� Token for matching words composed of characters *not* in a given set (will include whitespace in matched characters if not listed in the provided exclusion set - see example). Defined with string containing all disallowed characters, and an optional minimum, maximum, and/or exact length. The default value for ``min`` is 1 (a minimum value < 1 is not valid); the default values for ``max`` and ``exact`` are 0, meaning no maximum or exact length restriction. Example:: # define a comma-separated-value as anything that is not a ',' csv_value = CharsNotIn(',') print(delimitedList(csv_value).parseString("dkls,lsdkjf,s12 34,@!#,213")) prints:: ['dkls', 'lsdkjf', 's12 34', '@!#', '213'] r� r c s� t t| ��� d| _|| _|dk r*td��|| _|dkr@|| _nt| _|dkrZ|| _|| _t | �| _ d| j | _ | jdk| _ d| _ d S )NFr� zfcannot specify a minimum length < 1; use Optional(CharsNotIn()) if zero-length char group is permittedr r� )rt r' r� r� �notCharsrA r� r� rr r� r r� r� r� )r� r� r� r� r� rv r r r� � s zCharsNotIn.__init__Tc C s� || | j v r t||| j| ��|}|d7 }| j }t|| j t|��}||k rb|| |vrb|d7 }qD|| | jk r�t||| j| ��||||� fS r� )r� r> r� r� r� r� r� )r� r� r� r� r� Znotchars�maxlenr r r r� s zCharsNotIn.parseImplc sd zt t| ��� W S ty" Y n0 | jd u r^t| j�dkrRd| jd d� | _n d| j | _| jS )Nr� z !W:(%s...)z!W:(%s))rt r' r� r� r� r� r� r� rv r r r� & s zCharsNotIn.__str__)r� r r )Tr� r r rv r r' � s r' c s` e Zd ZdZdddddddd d d d d dddddddddddd�Zd"� fd d � Zd#d d!�Z� ZS )$rM a� Special matching class for matching whitespace. Normally, whitespace is ignored by pyparsing grammars. This class is included when some whitespace structures are significant. Define with a string containing the whitespace characters to be matched; default is ``" \t\r\n"``. Also takes optional ``min``, ``max``, and ``exact`` arguments, as defined for the :class:`Word` class. z<SP>z<TAB>z<LF>z<CR>z<FF>z<NBSP>z<OGHAM_SPACE_MARK>z<MONGOLIAN_VOWEL_SEPARATOR>z <EN_QUAD>z <EM_QUAD>z <EN_SPACE>z <EM_SPACE>z<THREE-PER-EM_SPACE>z<FOUR-PER-EM_SPACE>z<SIX-PER-EM_SPACE>z<FIGURE_SPACE>z<PUNCTUATION_SPACE>z <THIN_SPACE>z <HAIR_SPACE>z<ZERO_WIDTH_SPACE>z<NNBSP>z<MMSP>z<IDEOGRAPHIC_SPACE>)r� r� r� r� r� � u u u u u u u u u u u u u u u u u � r� r c s� t t� ��� |� _� �d�� fdd�� jD ��� d�dd� � jD ��� _d� _d� j � _ |� _ |dkrt|� _ nt � _ |dkr�|� _ |� _ d S )Nr� c 3 s | ]}|� j vr|V qd S r� )� matchWhiter� r� r r r� Y r z!White.__init__.<locals>.<genexpr>c s s | ]}t j| V qd S r� )rM � whiteStrsr� r r r r� [ r Tr� r ) rt rM r� r� rP r� r� r r� r� r� r� rr )r� �wsr� r� r� rv r� r r� V s zWhite.__init__Tc C s� || | j vr t||| j| ��|}|d7 }|| j }t|t|��}||k rb|| | j v rb|d7 }qB|| | jk r�t||| j| ��||||� fS r� )r� r> r� r� r� r� r� )r� r� r� r� r� r� r r r r� j s zWhite.parseImpl)r� r� r r )T)r r r r� r� r� r� rz r r rv r rM 4 s6 �rM c s e Zd Z� fdd�Z� ZS )�_PositionTokenc s( t t| ��� | jj| _d| _d| _d S r� )rt r� r� r� r r r� r� r� rv r r r� { s z_PositionToken.__init__�r r r r� rz r r rv r r� z s r� c s2 e Zd ZdZ� fdd�Zdd� Zd dd�Z� ZS ) r. zaToken to advance to a specific column of input text; useful for tabular report scraping. c s t t| ��� || _d S r� )rt r. r� rY )r� �colnorv r r r� � s zGoToColumn.__init__c C s\ t ||�| j krXt|�}| jr*| �||�}||k rX|| �� rXt ||�| j krX|d7 }q*|S r� )rY r� r� r� �isspace)r� r� r� r� r r r r� � s $ zGoToColumn.preParseTc C sD t ||�}|| j kr"t||d| ��|| j | }|||� }||fS )NzText not in expected column�rY r> )r� r� r� r� ZthiscolZnewlocr� r r r r� � s zGoToColumn.parseImpl)T)r r r r� r� r� r� rz r r rv r r. � s r. c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r2 a� Matches if current position is at the beginning of a line within the parse string Example:: test = '''\ AAA this line AAA and this line AAA but not this one B AAA and definitely not this one ''' for t in (LineStart() + 'AAA' + restOfLine).searchString(test): print(t) prints:: ['AAA', ' this line'] ['AAA', ' and this line'] c s t t| ��� d| _d S )NzExpected start of line)rt r2 r� r� r� rv r r r� � s zLineStart.__init__Tc C s* t ||�dkr|g fS t||| j| ��d S r� )rY r> r� r� r r r r� � s zLineStart.parseImpl)Tr~ r r rv r r2 � s r2 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r1 zTMatches if current position is at the end of a line within the parse string c s, t t| ��� | �tj�dd�� d| _d S )Nr� r� zExpected end of line)rt r1 r� rP rC r� r� r� r� rv r r r� � s zLineEnd.__init__Tc C sb |t |�k r6|| dkr$|d dfS t||| j| ��n(|t |�krN|d g fS t||| j| ��d S )Nr� r� �r� r> r� r� r r r r� � s zLineEnd.parseImpl)Tr~ r r rv r r1 � s r1 c s* e Zd ZdZ� fdd�Zddd�Z� ZS )rI zLMatches if current position is at the beginning of the parse string c s t t| ��� d| _d S )NzExpected start of text)rt rI r� r� r� rv r r r� � s zStringStart.__init__Tc C s0 |dkr(|| � |d�kr(t||| j| ��|g fS r )r� r> r� r� r r r r� � s zStringStart.parseImpl)Tr~ r r rv r rI � s rI c s* e Zd ZdZ� fdd�Zddd�Z� ZS )rH zBMatches if current position is at the end of the parse string c s t t| ��� d| _d S )NzExpected end of text)rt rH r� r� r� rv r r r� � s zStringEnd.__init__Tc C s^ |t |�k r t||| j| ��n<|t |�kr6|d g fS |t |�krJ|g fS t||| j| ��d S r� r� r� r r r r� � s zStringEnd.parseImpl)Tr~ r r rv r rH � s rH c s. e Zd ZdZef� fdd� Zddd�Z� ZS )rP ay Matches if the current position is at the beginning of a Word, and is not preceded by any character in a given set of ``wordChars`` (default= ``printables``). To emulate the ```` behavior of regular expressions, use ``WordStart(alphanums)``. ``WordStart`` will also match at the beginning of the string being parsed, or at the beginning of a line. c s" t t| ��� t|�| _d| _d S )NzNot at the start of a word)rt rP r� r� � wordCharsr� �r� r� rv r r r� � s zWordStart.__init__Tc C s@ |dkr8||d | j v s(|| | j vr8t||| j| ��|g fS r& )r� r> r� r� r r r r� � s �zWordStart.parseImpl)T�r r r r� rv r� r� rz r r rv r rP � s rP c s. e Zd ZdZef� fdd� Zddd�Z� ZS )rO a_ Matches if the current position is at the end of a Word, and is not followed by any character in a given set of ``wordChars`` (default= ``printables``). To emulate the ```` behavior of regular expressions, use ``WordEnd(alphanums)``. ``WordEnd`` will also match at the end of the string being parsed, or at the end of a line. c s( t t| ��� t|�| _d| _d| _d S )NFzNot at the end of a word)rt rO r� r� r� r� r� r� rv r r r� s zWordEnd.__init__Tc C sP t |�}|dkrH||k rH|| | jv s8||d | jvrHt||| j| ��|g fS r& )r� r� r> r� )r� r� r� r� r� r r r r� s �zWordEnd.parseImpl)Tr� r r rv r rO s rO c sz e Zd ZdZd� fdd� Zdd� Zdd� Z� fd d �Z� fd d �Z� fd d�Z ddd�Z � fdd�Z d� fdd� Z � Z S )r? z]Abstract subclass of ParserElement, for combining and post-processing parsed tokens. Fc s� t t� ��|� t|t�r"t|�}t|t�r<� �|�g� _n�t|t �rP|g� _nlt|t �r�t|�}t dd� |D ��r�� fdd�|D �}t|�� _n*zt|�� _W n t y� |g� _Y n0 d� _ d S )Nc s s | ]}t |t�V qd S r� )r� r )r r� r r r r� * r z+ParseExpression.__init__.<locals>.<genexpr>c 3 s& | ] }t |t�r� �|�n|V qd S r� )r� r r� �r r� r� r r r� + r F)rt r? r� r� r r r r� �exprsrC r r� r r� �r� r� r� rv r� r r� s" zParseExpression.__init__c C s | j �|� d | _| S r� )r� r� r� r\ r r r r� 4 s zParseExpression.appendc C s0 d| _ dd� | jD �| _| jD ] }|�� q | S )z�Extends ``leaveWhitespace`` defined in base class, and also invokes ``leaveWhitespace`` on all contained expressions.Fc S s g | ] }|� � �qS r rQ r� r r r r = r z3ParseExpression.leaveWhitespace.<locals>.<listcomp>)r� r� rO )r� r� r r r rO 9 s z ParseExpression.leaveWhitespacec sr t |t�rB|| jvrntt| ��|� | jD ]}|�| jd � q*n,tt| ��|� | jD ]}|�| jd � qX| S r7 )r� rJ r� rt r? rR r� )r� rS r� rv r r rR B s zParseExpression.ignorec sL zt t| ��� W S ty" Y n0 | jd u rFd| jjt| j�f | _| jS �Nz%s:(%s)) rt r? r� r� r� r� r r� r� r� rv r r r� N s zParseExpression.__str__c s* t t| ��� | jD ] }|�� qt| j�dk�r| jd }t|| j�r�|js�|jd u r�|j s�|jd d � | jd g | _d | _ | j |j O _ | j |j O _ | jd }t|| j��r|j�s|jd u �r|j �s| jd d� |jd d � | _d | _ | j |j O _ | j |j O _ dt | � | _| S )Nr� r r� r� r� )rt r? r r� r� r� r� r� r� r� r� r� r� r� r� )r� r� rS rv r r r X s< ��� ��� zParseExpression.streamlineNc C sB |d ur |ng d d � | g }| j D ]}|�|� q$| �g � d S r� )r� rW rU )r� rV �tmpr� r r r rW z s zParseExpression.validatec s$ t t| ��� }dd� | jD �|_|S )Nc S s g | ] }|� � �qS r rQ r� r r r r � r z(ParseExpression.copy.<locals>.<listcomp>)rt r? rR r� rl rv r r rR � s zParseExpression.copyc sV t jrD| jD ]6}t|t�r |jr tjd�d|t | �j |j�dd� q t t | �� ||�S )N�]{0}: setting results name {1!r} on {2} expression collides with {3!r} on contained expressionr r� r/ )r r r� r� rC r� r3 r4 r� r� r rt r? r� �r� r r� r� rv r r r� � s ��z ParseExpression._setResultsName)F)N)F)r r r r� r� r� rO rR r� r rW rR r� rz r r rv r r? s " r? c s` e Zd ZdZG dd� de�Zd� fdd� Z� fdd�Zdd d �Zd d � Z d d� Z dd� Z � Z S )r$ a Requires all given :class:`ParseExpression` s to be found in the given order. Expressions may be separated by whitespace. May be constructed using the ``'+'`` operator. May also be constructed using the ``'-'`` operator, which will suppress backtracking. Example:: integer = Word(nums) name_expr = OneOrMore(Word(alphas)) expr = And([integer("id"), name_expr("name"), integer("age")]) # more easily written as: expr = integer("id") + name_expr("name") + integer("age") c s e Zd Z� fdd�Z� ZS )zAnd._ErrorStopc s* t tj| �j|i |�� d| _| �� d S )N�-)rt r$ r7 r� r rO r� rv r r r� � s zAnd._ErrorStop.__init__r� r r rv r r7 � s r7 Tc s� t |�}|r�t|v r�g }t|�D ]`\}}|tu rv|t|�d k rlt� ||d jd }|�t|�d�� q�td��q |�|� q ||d d �< t t | �� ||� t dd� | jD ��| _ | �| jd j� | jd j| _d| _d S ) Nr� r� r6 z0cannot construct And with sequence ending in ...c s s | ] }|j V qd S r� �r� r� r r r r� � r z And.__init__.<locals>.<genexpr>r T)r r1 r� r� r+ r� r� rG r� rt r$ r� r� r� rP r� r� r� )r� r� r� r� r� r� Z skipto_argrv r r r� � s z And.__init__c s� | j r�tdd� | j d d� D ��r�t| j d d� �D ]^\}}|d u rFq4t|t�r4|j r4t|j d t�r4|j d | j |d |j d< d | j |d < q4dd� | j D �| _ tt| ��� t dd� | j D ��| _ | S )Nc s s. | ]&}t |t�o$|jo$t |jd t�V qdS �r� N)r� r? r� r2 r� r r r r� � s �z!And.streamline.<locals>.<genexpr>r� r� c S s g | ]}|d ur|�qS r� r r� r r r r � r z"And.streamline.<locals>.<listcomp>c s s | ] }|j V qd S r� r� r� r r r r� � r ) r� r� r� r� r? r2 rt r$ r r� r� )r� r� r� rv r r r � s$ � �� zAnd.streamlinec C s� | j d j|||dd�\}}d}| j dd � D ]�}t|tj�rDd}q.|r�z|�|||�\}}W q� tyr � Y q� ty� } z d |_t�|��W Y d }~q�d }~0 t y� t|t |�| j | ��Y q�0 n|�|||�\}}|s�|� � r.||7 }q.||fS )Nr Fr% r� T) r� r� r� r$ r7 rB r< r� r� r r� r� rD ) r� r� r� r� � resultlistZ errorStopr� Z exprtokensr� r r r r� � s( z And.parseImplc C s t |t�r| �|�}| �|�S r� �r� r r� r� r\ r r r rM � s z And.__iadd__c C s6 |d d � | g }| j D ]}|�|� |js q2qd S r� )r� rU r� �r� r �subRecCheckListr� r r r rU � s zAnd.checkRecursionc C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr �{r� c s s | ]}t |�V qd S r� r� r� r r r r� � r z And.__str__.<locals>.<genexpr>�}�r: r r� r� r� r� r r r r� � s z And.__str__)T)T) r r r r� r+ r7 r� r r� rM rU r� rz r r rv r r$ � s r$ c s^ e Zd ZdZd� fdd� Z� fdd�Zddd �Zd d � Zd d � Zdd� Z d� fdd� Z � Z S )r; a� Requires that at least one :class:`ParseExpression` is found. If two expressions match, the expression that matches the longest string will be used. May be constructed using the ``'^'`` operator. Example:: # construct Or using '^' operator number = Word(nums) ^ Combine(Word(nums) + '.' + Word(nums)) print(number.searchString("123 3.1416 789")) prints:: [['123'], ['3.1416'], ['789']] Fc s: t t| ��||� | jr0tdd� | jD ��| _nd| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z Or.__init__.<locals>.<genexpr>T)rt r; r� r� r� r� r� rv r r r� s z Or.__init__c s. t t| ��� tjr*tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� �r� r� r r r r� r z Or.streamline.<locals>.<genexpr>)rt r; r r# �collect_all_And_tokensr� r� r� r� rv r r r s z Or.streamlineTc C s� d}d }g }| j D ]�}z|�||�}W nv tyd } z&d | _| j|krP| }| j}W Y d } ~ qd } ~ 0 ty� t|�|kr�t|t|�|j| �}t|�}Y q0 |�||f� q|�r�|j t d�dd� |s�|d d } | � |||�S d} |D ]�\} } | | d k�r | S z| � |||�\}}W nB t�yb } z(d | _| j|k�rN| }| j}W Y d } ~ q�d } ~ 0 0 || k�rz||f S || d kr�||f} q�| dk�r�| S |d u�r�| j|_ |�nt||d| ��d S )Nr� r T)rI r) r� r� � no defined alternatives to match) r� r� r> r� r� r r� r� r� �sortr r� r� )r� r� r� r� � maxExcLoc� maxExceptionr' r� Zloc2r� Z best_exprZlongestZloc1Zexpr1r� r r r r� sT z Or.parseImplc C s t |t�r| �|�}| �|�S r� r� r\ r r r �__ixor__[ s z Or.__ixor__c C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� z ^ c s s | ]}t |�V qd S r� r� r� r r r r� e r z Or.__str__.<locals>.<genexpr>r� r� r� r r r r� ` s z Or.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� �r� rU r� r r r rU i s zOr.checkRecursionc sP t js>tjr>tdd� | jD ��r>tjd�d|t | �j �dd� t t | �� ||�S )Nc s s | ]}t |t�V qd S r� �r� r$ r� r r r r� q r z%Or._setResultsName.<locals>.<genexpr>��{0}: setting results name {1!r} on {2} expression may only return a single token for an And alternative, in future will return the full list of tokensr r� r/ )r# r� r r r� r� r3 r4 r� r� r rt r; r� r� rv r r r� n s � ��zOr._setResultsName)F)T)F) r r r r� r� r r� r� r� rU r� rz r r rv r r; s = r; c s^ e Zd ZdZd� fdd� Z� fdd�Zddd �Zd d � Zd d � Zdd� Z d� fdd� Z � Z S )r5 a� Requires that at least one :class:`ParseExpression` is found. If two expressions match, the first one listed is the one that will match. May be constructed using the ``'|'`` operator. Example:: # construct MatchFirst using '|' operator # watch the order of expressions to match number = Word(nums) | Combine(Word(nums) + '.' + Word(nums)) print(number.searchString("123 3.1416 789")) # Fail! -> [['123'], ['3'], ['1416'], ['789']] # put more selective expression first number = Combine(Word(nums) + '.' + Word(nums)) | Word(nums) print(number.searchString("123 3.1416 789")) # Better -> [['123'], ['3.1416'], ['789']] Fc s: t t| ��||� | jr0tdd� | jD ��| _nd| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� � r z&MatchFirst.__init__.<locals>.<genexpr>T)rt r5 r� r� r� r� r� rv r r r� � s zMatchFirst.__init__c s. t t| ��� tjr*tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� r� r� r r r r� � r z(MatchFirst.streamline.<locals>.<genexpr>)rt r5 r r# r� r� r� r� r� rv r r r � s zMatchFirst.streamlineTc C s� d}d }| j D ]�}z|�|||�}|W S tyb } z |j|krN|}|j}W Y d }~qd }~0 ty� t|�|kr�t|t|�|j| �}t|�}Y q0 q|d ur�| j|_|�nt||d| ��d S )Nr� r� )r� r� r> r� r r� r� r� ) r� r� r� r� r� r� r� r� r� r r r r� � s$ zMatchFirst.parseImplc C s t |t�r| �|�}| �|�S r� r� r\ r r r �__ior__� s zMatchFirst.__ior__c C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� � | c s s | ]}t |�V qd S r� r� r� r r r r� � r z%MatchFirst.__str__.<locals>.<genexpr>r� r� r� r r r r� � s zMatchFirst.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� r� r� r r r rU � s zMatchFirst.checkRecursionc sP t js>tjr>tdd� | jD ��r>tjd�d|t | �j �dd� t t | �� ||�S )Nc s s | ]}t |t�V qd S r� r r� r r r r� � r z-MatchFirst._setResultsName.<locals>.<genexpr>r r r� r/ )r# r� r r r� r� r3 r4 r� r� r rt r5 r� r� rv r r r� � s � ��zMatchFirst._setResultsName)F)T)F) r r r r� r� r r� r r� rU r� rz r r rv r r5 { s r5 c sH e Zd ZdZd � fdd� Z� fdd�Zddd�Zd d � Zd d � Z� Z S )r* as Requires all given :class:`ParseExpression` s to be found, but in any order. Expressions may be separated by whitespace. May be constructed using the ``'&'`` operator. Example:: color = oneOf("RED ORANGE YELLOW GREEN BLUE PURPLE BLACK WHITE BROWN") shape_type = oneOf("SQUARE CIRCLE TRIANGLE STAR HEXAGON OCTAGON") integer = Word(nums) shape_attr = "shape:" + shape_type("shape") posn_attr = "posn:" + Group(integer("x") + ',' + integer("y"))("posn") color_attr = "color:" + color("color") size_attr = "size:" + integer("size") # use Each (using operator '&') to accept attributes in any order # (shape and posn are required, color and size are optional) shape_spec = shape_attr & posn_attr & Optional(color_attr) & Optional(size_attr) shape_spec.runTests(''' shape: SQUARE color: BLACK posn: 100, 120 shape: CIRCLE size: 50 color: BLUE posn: 50,80 color:GREEN size:20 shape:TRIANGLE posn:20,40 ''' ) prints:: shape: SQUARE color: BLACK posn: 100, 120 ['shape:', 'SQUARE', 'color:', 'BLACK', 'posn:', ['100', ',', '120']] - color: BLACK - posn: ['100', ',', '120'] - x: 100 - y: 120 - shape: SQUARE shape: CIRCLE size: 50 color: BLUE posn: 50,80 ['shape:', 'CIRCLE', 'size:', '50', 'color:', 'BLUE', 'posn:', ['50', ',', '80']] - color: BLUE - posn: ['50', ',', '80'] - x: 50 - y: 80 - shape: CIRCLE - size: 50 color: GREEN size: 20 shape: TRIANGLE posn: 20,40 ['color:', 'GREEN', 'size:', '20', 'shape:', 'TRIANGLE', 'posn:', ['20', ',', '40']] - color: GREEN - posn: ['20', ',', '40'] - x: 20 - y: 40 - shape: TRIANGLE - size: 20 Tc s> t t| ��||� tdd� | jD ��| _d| _d| _d| _d S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z Each.__init__.<locals>.<genexpr>T) rt r* r� r� r� r� r� �initExprGroupsr� r� rv r r r� s z Each.__init__c s( t t| ��� tdd� | jD ��| _| S )Nc s s | ] }|j V qd S r� r� r� r r r r� r z"Each.streamline.<locals>.<genexpr>)rt r* r r� r� r� r� rv r r r s zEach.streamlinec s� | j r�tdd� | jD ��| _dd� | jD �}dd� | jD �}|| | _dd� | jD �| _dd� | jD �| _dd� | jD �| _| j| j7 _d | _ |}| jd d � }| jd d � � g }d } | �rh|� | j | j } g } | D ]t} z| �||�}W n t �y | � | � Y q�0 |� | j� t | �| �� | |v �r>|� | � q�| � v r܈ � | � q�t| �t| �kr�d } q�|�r�d �d d� |D ��} t ||d | ��|� fdd�| jD �7 }g }|D ]"} | �|||�\}}|� |� �q�t|tg ��}||fS )Nc s s& | ] }t |t�rt|j�|fV qd S r� )r� r: r` r� r� r r r r� r z!Each.parseImpl.<locals>.<genexpr>c S s g | ]}t |t�r|j�qS r �r� r: r� r� r r r r r z"Each.parseImpl.<locals>.<listcomp>c S s$ g | ] }|j rt|ttf�s|�qS r )r� r� r: rF r� r r r r r c S s g | ]}t |t�r|j�qS r )r� rQ r� r� r r r r r c S s g | ]}t |t�r|j�qS r )r� r8 r� r� r r r r r c S s g | ]}t |tttf�s|�qS r )r� r: rQ r8 r� r r r r r FTr_ c s s | ]}t |�V qd S r� r� r� r r r r� 9 r z*Missing one or more required elements (%s)c s$ g | ] }t |t�r|j� v r|�qS r r r� �ZtmpOptr r r = r )r r r� Zopt1map� optionalsZmultioptionalsZ multirequired�requiredr� r> r� r� r` �remover� r� r� �sumrA )r� r� r� r� Zopt1Zopt2ZtmpLocZtmpReqdZ matchOrderZ keepMatchingZtmpExprsZfailedr� �missingr� r� Z finalResultsr r r r� sP zEach.parseImplc C s@ t | d�r| jS | jd u r:dd�dd� | jD �� d | _| jS )Nr r� z & c s s | ]}t |�V qd S r� r� r� r r r r� L r z Each.__str__.<locals>.<genexpr>r� r� r� r r r r� G s z Each.__str__c C s, |d d � | g }| j D ]}|�|� qd S r� r� r� r r r rU P s zEach.checkRecursion)T)T) r r r r� r� r r� r� rU rz r r rv r r* � s 8 1 r* c sj e Zd ZdZd� fdd� Zddd�Zdd � Z� fd d �Z� fd d �Zdd� Z ddd�Z � fdd�Z � Z S )r= zfAbstract subclass of :class:`ParserElement`, for combining and post-processing parsed tokens. Fc s� t t| ��|� t|t�r@t| jt�r2| �|�}n| �t|��}|| _ d | _ |d ur�|j | _ |j | _ | � |j� |j| _|j| _|j| _| j�|j� d S r� )rt r= r� r� r � issubclassr� rK r3 r� r� r� r� rP r� r� r� r� r� rN �r� r� r� rv r r r� Z s z ParseElementEnhance.__init__Tc C s2 | j d ur | j j|||dd�S td|| j| ��d S )NFr% r� )r� r� r> r� r� r r r r� l s z ParseElementEnhance.parseImplc C s* d| _ | j�� | _| jd ur&| j�� | S r� )r� r� rR rO r� r r r rO r s z#ParseElementEnhance.leaveWhitespacec sr t |t�rB|| jvrntt| ��|� | jd urn| j�| jd � n,tt| ��|� | jd urn| j�| jd � | S r7 )r� rJ r� rt r= rR r� r\ rv r r rR y s zParseElementEnhance.ignorec s& t t| ��� | jd ur"| j�� | S r� )rt r= r r� r� rv r r r � s z ParseElementEnhance.streamlinec C sB | |v rt || g ��|d d � | g }| jd ur>| j�|� d S r� )rE r� rU )r� r r� r r r rU � s z"ParseElementEnhance.checkRecursionNc C sB |d u r g }|d d � | g }| j d ur4| j �|� | �g � d S r� �r� rW rU �r� rV r� r r r rW � s z ParseElementEnhance.validatec sV zt t| ��� W S ty" Y n0 | jd u rP| jd urPd| jjt| j�f | _| jS r� ) rt r= r� r� r� r� r� r r� r� rv r r r� � s zParseElementEnhance.__str__)F)T)N) r r r r� r� r� rO rR r rU rW r� rz r r rv r r= V s r= c s* e Zd ZdZ� fdd�Zddd�Z� ZS )r, ab Lookahead matching of the given parse expression. ``FollowedBy`` does *not* advance the parsing position within the input string, it only verifies that the specified parse expression matches at the current position. ``FollowedBy`` always returns a null token list. If any results names are defined in the lookahead expression, those *will* be returned for access by name. Example:: # use FollowedBy to match a label only if it is followed by a ':' data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) OneOrMore(attr_expr).parseString("shape: SQUARE color: BLACK posn: upper left").pprint() prints:: [['shape', 'SQUARE'], ['color', 'BLACK'], ['posn', 'upper left']] c s t t| ��|� d| _d S r )rt r, r� r� �r� r� rv r r r� � s zFollowedBy.__init__Tc C s( | j j|||d�\}}|d d �= ||fS )Nr� )r� r� )r� r� r� r� �_r� r r r r� � s zFollowedBy.parseImpl)Tr~ r r rv r r, � s r, c s, e Zd ZdZd � fdd� Zd dd�Z� ZS ) r4 ap Lookbehind matching of the given parse expression. ``PrecededBy`` does not advance the parsing position within the input string, it only verifies that the specified parse expression matches prior to the current position. ``PrecededBy`` always returns a null token list, but if a results name is defined on the given expression, it is returned. Parameters: - expr - expression that must match prior to the current parse location - retreat - (default= ``None``) - (int) maximum number of characters to lookbehind prior to the current parse location If the lookbehind expression is a string, Literal, Keyword, or a Word or CharsNotIn with a specified exact or maximum length, then the retreat parameter is not required. Otherwise, retreat must be specified to give a maximum number of characters to look back from the current parse position for a lookbehind match. Example:: # VB-style variable names with type prefixes int_var = PrecededBy("#") + pyparsing_common.identifier str_var = PrecededBy("$") + pyparsing_common.identifier Nc s� t t| ��|� | �� �� | _d| _d| _d| _t|t �rJt |�}d| _nVt|t t f�rf|j }d| _n:t|ttf�r�|jtkr�|j}d| _nt|t�r�d}d| _|| _dt |� | _d| _| j�dd� � d S )NTFr znot preceded by c S s |� td d ��S r� )r/ r! r� r r r r� � r z%PrecededBy.__init__.<locals>.<lambda>)rt r4 r� r� rO r� r� r� r� r� r� r3 r0 r� rN r' r� rr r� �retreatr� r� r� r� )r� r� r rv r r r� � s* zPrecededBy.__init__r Tc C s� | j r<|| jk r t||| j��|| j }| j�||�\}}n�| jt� }|td|| j �|� }t||| j�} tdt || jd �d �D ]N} z |�|t |�| �\}}W n( t y� } z| } W Y d } ~ q�d } ~ 0 0 q�q�| �||fS r& ) r� r r> r� r� r� rH r� r' r� r� r< ) r� r� r� r� r� r r� Z test_exprZinstring_sliceZ last_exprrV Zpber r r r� � s zPrecededBy.parseImpl)N)r Tr~ r r rv r r4 � s r4 c s2 e Zd ZdZ� fdd�Zd dd�Zdd� Z� ZS ) r7 a� Lookahead to disallow matching with the given parse expression. ``NotAny`` does *not* advance the parsing position within the input string, it only verifies that the specified parse expression does *not* match at the current position. Also, ``NotAny`` does *not* skip over leading whitespace. ``NotAny`` always returns a null token list. May be constructed using the '~' operator. Example:: AND, OR, NOT = map(CaselessKeyword, "AND OR NOT".split()) # take care not to mistake keywords for identifiers ident = ~(AND | OR | NOT) + Word(alphas) boolean_term = Optional(NOT) + ident # very crude boolean expression - to support parenthesis groups and # operation hierarchy, use infixNotation boolean_expr = boolean_term + ZeroOrMore((AND | OR) + boolean_term) # integers that are followed by "." are actually floats integer = Word(nums) + ~Char(".") c s0 t t| ��|� d| _d| _dt| j� | _d S )NFTzFound unwanted token, )rt r7 r� r� r� r� r� r� r rv r r r� * s zNotAny.__init__Tc C s& | j �||�r t||| j| ��|g fS r� )r� r� r> r� r� r r r r� 1 s zNotAny.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr z~{r� �r: r r� r� r� r� r r r r� 6 s zNotAny.__str__)Tr� r r rv r r7 s r7 c s> e Zd Zd � fdd� Zdd� Zd dd�Zd� fd d � Z� ZS )�_MultipleMatchNc s< t t| ��|� d| _|}t|t�r.| �|�}| �|� d S r )rt r r� r� r� r r� �stopOn)r� r� r �enderrv r r r� @ s z_MultipleMatch.__init__c C s, t |t�r| �|�}|d ur"| nd | _| S r� )r� r r� � not_ender)r� r r r r r H s z_MultipleMatch.stopOnTc C s� | j j}| j}| jd u}|r$| jj}|r2|||� ||||dd�\}}zV| j } |r`|||� | rp|||�} n|} ||| |�\}} | s�| �� rR|| 7 }qRW n ttfy� Y n0 ||fS �NFr% ) r� r� r� r r� r� rD r> r ) r� r� r� r� Zself_expr_parseZself_skip_ignorablesZ check_enderZ try_not_enderr� ZhasIgnoreExprsr� Z tmptokensr r r r� N s* z_MultipleMatch.parseImplFc sf t jrT| jgt| jdg � D ]6}t|t�r |jr tjd� d|t | �j |j�dd� q t t | ��||�S )Nr� r� r r� r/ )r r r� r� r� rC r� r3 r4 r� r� r rt r r� r� rv r r r� k s ��z _MultipleMatch._setResultsName)N)T)F)r r r r� r r� r� rz r r rv r r ? s r c @ s e Zd ZdZdd� ZdS )r8 aj Repetition of one or more of the given expression. Parameters: - expr - expression that must match one or more times - stopOn - (default= ``None``) - expression for a terminating sentinel (only required if the sentinel would ordinarily match the repetition expression) Example:: data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) text = "shape: SQUARE posn: upper left color: BLACK" OneOrMore(attr_expr).parseString(text).pprint() # Fail! read 'color' as data instead of next label -> [['shape', 'SQUARE color']] # use stopOn attribute for OneOrMore to avoid reading label string as part of the data attr_expr = Group(label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) OneOrMore(attr_expr).parseString(text).pprint() # Better -> [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'BLACK']] # could also be written as (attr_expr * (1,)).parseString(text).pprint() c C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r� z}...r r� r r r r� � s zOneOrMore.__str__N)r r r r� r� r r r r r8 y s r8 c s8 e Zd ZdZd � fdd� Zd � fdd� Zdd � Z� ZS ) rQ ak Optional repetition of zero or more of the given expression. Parameters: - expr - expression that must match zero or more times - stopOn - (default= ``None``) - expression for a terminating sentinel (only required if the sentinel would ordinarily match the repetition expression) Example: similar to :class:`OneOrMore` Nc s t t| �j||d� d| _d S )N�r T)rt rQ r� r� )r� r� r rv r r r� � s zZeroOrMore.__init__Tc s: zt t| ��|||�W S ttfy4 |g f Y S 0 d S r� )rt rQ r� r> r r� rv r r r� � s zZeroOrMore.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r^ �]...r r� r r r r� � s zZeroOrMore.__str__)N)Tr� r r rv r rQ � s rQ c @ s e Zd Zdd� ZeZdd� ZdS )� _NullTokenc C s dS r� r r� r r r r3 � s z_NullToken.__bool__c C s dS r� r r� r r r r� � s z_NullToken.__str__N)r r r r3 r� r� r r r r r � s r c s< e Zd ZdZe� Zef� fdd� Zd dd�Zdd� Z� Z S ) r: aG Optional matching of the given expression. Parameters: - expr - expression that must match zero or more times - default (optional) - value to be returned if the optional expression is not found. Example:: # US postal code can be a 5-digit zip, plus optional 4-digit qualifier zip = Combine(Word(nums, exact=5) + Optional('-' + Word(nums, exact=4))) zip.runTests(''' # traditional ZIP code 12345 # ZIP+4 form 12101-0001 # invalid ZIP 98765- ''') prints:: # traditional ZIP code 12345 ['12345'] # ZIP+4 form 12101-0001 ['12101-0001'] # invalid ZIP 98765- ^ FAIL: Expected end of text (at char 5), (line:1, col:6) c s. t t| �j|dd� | jj| _|| _d| _d S )NFr| T)rt r: r� r� r� rJ r� )r� r� rE rv r r r� � s zOptional.__init__Tc C sz z | j j|||dd�\}}W nT ttfyp | j| jurh| j jr^t| jg�}| j|| j j< ql| jg}ng }Y n0 ||fS r )r� r� r> r rJ � _Optional__optionalNotMatchedr� rA )r� r� r� r� r� r r r r� � s zOptional.parseImplc C s4 t | d�r| jS | jd u r.dt| j� d | _| jS )Nr r^ ra r r� r r r r� � s zOptional.__str__)T) r r r r� r r r� r� r� rz r r rv r r: � s $ r: c s, e Zd ZdZd � fdd� Zd dd�Z� ZS ) rG a� Token for skipping over all undefined text until the matched expression is found. Parameters: - expr - target expression marking the end of the data to be skipped - include - (default= ``False``) if True, the target expression is also parsed (the skipped text and target expression are returned as a 2-element list). - ignore - (default= ``None``) used to define grammars (typically quoted strings and comments) that might contain false matches to the target expression - failOn - (default= ``None``) define expressions that are not allowed to be included in the skipped test; if found before the target expression is found, the SkipTo is not a match Example:: report = ''' Outstanding Issues Report - 1 Jan 2000 # | Severity | Description | Days Open -----+----------+-------------------------------------------+----------- 101 | Critical | Intermittent system crash | 6 94 | Cosmetic | Spelling error on Login ('log|n') | 14 79 | Minor | System slow when running too many reports | 47 ''' integer = Word(nums) SEP = Suppress('|') # use SkipTo to simply match everything up until the next SEP # - ignore quoted strings, so that a '|' character inside a quoted string does not match # - parse action will call token.strip() for each matched token, i.e., the description body string_data = SkipTo(SEP, ignore=quotedString) string_data.setParseAction(tokenMap(str.strip)) ticket_expr = (integer("issue_num") + SEP + string_data("sev") + SEP + string_data("desc") + SEP + integer("days_open")) for tkt in ticket_expr.searchString(report): print tkt.dump() prints:: ['101', 'Critical', 'Intermittent system crash', '6'] - days_open: 6 - desc: Intermittent system crash - issue_num: 101 - sev: Critical ['94', 'Cosmetic', "Spelling error on Login ('log|n')", '14'] - days_open: 14 - desc: Spelling error on Login ('log|n') - issue_num: 94 - sev: Cosmetic ['79', 'Minor', 'System slow when running too many reports', '47'] - days_open: 47 - desc: System slow when running too many reports - issue_num: 79 - sev: Minor FNc s` t t| ��|� || _d| _d| _|| _d| _t|t �rF| � |�| _ n|| _ dt | j � | _d S )NTFzNo match found for )rt rG r� � ignoreExprr� r� � includeMatchr� r� r r� �failOnr� r� r� )r� rS ZincluderR r rv r r r� @ s zSkipTo.__init__Tc C s" |}t |�}| j}| jj}| jd ur,| jjnd }| jd urB| jjnd } |} | |kr�|d urf||| �rfq�| d ur�z| || �} W qn ty� Y q�Y qn0 qnz||| ddd� W q� tt fy� | d7 } Y qJ0 q�qJt||| j | ��| }|||� } t | �} | j �r||||dd�\}} | | 7 } || fS )NF)r� r� r� r% ) r� r� r� r r� r r� r< r> r r� rA r )r� r� r� r� r� r� r� Z expr_parseZself_failOn_canParseNextZself_ignoreExpr_tryParseZtmplocZskiptextZ skipresultr� r r r r� M s: zSkipTo.parseImpl)FNN)Tr~ r r rv r rG s 9 rG c sn e Zd ZdZd� fdd� Zdd� Zdd� Zd d � Zd d � Zdd d�Z dd� Z � fdd�Z d� fdd� Z � Z S )r- a_ Forward declaration of an expression to be defined later - used for recursive grammars, such as algebraic infix notation. When the expression is known, it is assigned to the ``Forward`` variable using the '<<' operator. Note: take care when assigning to ``Forward`` not to overlook precedence of operators. Specifically, '|' has a lower precedence than '<<', so that:: fwdExpr << a | b | c will actually be evaluated as:: (fwdExpr << a) | b | c thereby leaving b and c out as parseable alternatives. It is recommended that you explicitly group the values inserted into the ``Forward``:: fwdExpr << (a | b | c) Converting to use the '<<=' operator instead will avoid this problem. See :class:`ParseResults.pprint` for an example of a recursive parser created using ``Forward``. Nc s t t| �j|dd� d S r{ )rt r- r� r\ rv r r r� � s zForward.__init__c C sj t |t�r| �|�}|| _d | _| jj| _| jj| _| �| jj� | jj | _ | jj | _ | j � | jj � | S r� ) r� r r� r� r� r� r� rP r� r� r� r� rN r\ r r r � __lshift__� s zForward.__lshift__c C s | |> S r� r r\ r r r � __ilshift__� s zForward.__ilshift__c C s d| _ | S r� rN r� r r r rO � s zForward.leaveWhitespacec C s$ | j s d| _ | jd ur | j�� | S r )r� r� r r� r r r r � s zForward.streamlinec C sJ |d u r g }| |vr<|d d � | g }| j d ur<| j �|� | �g � d S r� r r r r r rW � s zForward.validatec C s~ t | d�r| jS | jd ur | jS d| _d}z8| jd urJt| j�d d� }nd}W | jjd | | _n| jjd | | _0 | jS )Nr z: ...rs i� �Nonez: )r: r r� r� r� r� r )r� Z retStringr r r r� � s (zForward.__str__c s. | j d urtt| ��� S t� }|| K }|S d S r� )r� rt r- rR rl rv r r rR � s z Forward.copyFc s@ t jr.| jd u r.tjd�d|t| �j�dd� tt | �� ||�S )NzR{0}: setting results name {0!r} on {1} expression that has no contained expressionr r� r/ ) r r r� r3 r4 r� r� r rt r- r� r� rv r r r� � s ��zForward._setResultsName)N)N)F)r r r r� r� r r! rO r rW r� rR r� rz r r rv r r- | s r- c s" e Zd ZdZd� fdd� Z� ZS )rL zW Abstract subclass of :class:`ParseExpression`, for converting parsed results. Fc s t t| ��|� d| _d S r� )rt rL r� r� r rv r r r� � s zTokenConverter.__init__)Fr} r r rv r rL � s rL c s6 e Zd ZdZd � fdd� Z� fdd�Zdd � Z� ZS ) r( a� Converter to concatenate all matching tokens to a single string. By default, the matching patterns must also be contiguous in the input string; this can be disabled by specifying ``'adjacent=False'`` in the constructor. Example:: real = Word(nums) + '.' + Word(nums) print(real.parseString('3.1416')) # -> ['3', '.', '1416'] # will also erroneously match the following print(real.parseString('3. 1416')) # -> ['3', '.', '1416'] real = Combine(Word(nums) + '.' + Word(nums)) print(real.parseString('3.1416')) # -> ['3.1416'] # no match when there are internal spaces print(real.parseString('3. 1416')) # -> Exception: Expected W:(0123...) r� Tc s8 t t| ��|� |r | �� || _d| _|| _d| _d S r )rt r( r� rO �adjacentr� � joinStringr� )r� r� r$ r# rv r r r� s zCombine.__init__c s( | j rt�| |� ntt| ��|� | S r� )r# rC rR rt r( r\ rv r r rR s zCombine.ignorec C sP |� � }|d d �= |td�|�| j��g| jd�7 }| jrH|�� rH|gS |S d S )Nr� )r )rR rA r� rb r$ r� r� rD )r� r� r� r� ZretToksr r r r� s "zCombine.postParse)r� T)r r r r� r� rR r� rz r r rv r r( � s r( c s( e Zd ZdZ� fdd�Zdd� Z� ZS )r/ a Converter to return the matched tokens as a list - useful for returning tokens of :class:`ZeroOrMore` and :class:`OneOrMore` expressions. Example:: ident = Word(alphas) num = Word(nums) term = ident | num func = ident + Optional(delimitedList(term)) print(func.parseString("fn a, b, 100")) # -> ['fn', 'a', 'b', '100'] func = ident + Group(Optional(delimitedList(term))) print(func.parseString("fn a, b, 100")) # -> ['fn', ['a', 'b', '100']] c s t t| ��|� d| _d S r )rt r/ r� r� r rv r r r� * s zGroup.__init__c C s |gS r� r r� r r r r� . s zGroup.postParse�r r r r� r� r� rz r r rv r r/ s r/ c s( e Zd ZdZ� fdd�Zdd� Z� ZS )r) a? Converter to return a repetitive expression as a list, but also as a dictionary. Each element can also be referenced using the first token in the expression as its key. Useful for tabular report scraping when the first column can be used as a item key. Example:: data_word = Word(alphas) label = data_word + FollowedBy(':') attr_expr = Group(label + Suppress(':') + OneOrMore(data_word).setParseAction(' '.join)) text = "shape: SQUARE posn: upper left color: light blue texture: burlap" attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) # print attributes as plain groups print(OneOrMore(attr_expr).parseString(text).dump()) # instead of OneOrMore(expr), parse using Dict(OneOrMore(Group(expr))) - Dict will auto-assign names result = Dict(OneOrMore(Group(attr_expr))).parseString(text) print(result.dump()) # access named fields as dict entries, or output as dict print(result['shape']) print(result.asDict()) prints:: ['shape', 'SQUARE', 'posn', 'upper left', 'color', 'light blue', 'texture', 'burlap'] [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] - color: light blue - posn: upper left - shape: SQUARE - texture: burlap SQUARE {'color': 'light blue', 'posn': 'upper left', 'texture': 'burlap', 'shape': 'SQUARE'} See more examples at :class:`ParseResults` of accessing fields by results name. c s t t| ��|� d| _d S r )rt r) r� r� r rv r r r� X s z Dict.__init__c C s� t |�D ]�\}}t|�dkr q|d }t|t�r@t|d ��� }t|�dkr\td|�||< qt|�dkr�t|d t�s�t|d |�||< q|�� }|d= t|�dks�t|t�r�|� � r�t||�||< qt|d |�||< q| j r�|gS |S d S )Nr r� r� r� ) r� r� r� r� r� r� r rA rR rD r� )r� r� r� r� r� �tokZikeyZ dictvaluer r r r� \ s$ zDict.postParser% r r rv r r) 1 s & r) c @ s e Zd ZdZdd� Zdd� ZdS )rJ a[ Converter for ignoring the results of a parsed expression. Example:: source = "a, b, c,d" wd = Word(alphas) wd_list1 = wd + ZeroOrMore(',' + wd) print(wd_list1.parseString(source)) # often, delimiters that are useful during parsing are just in the # way afterward - use Suppress to keep them out of the parsed output wd_list2 = wd + ZeroOrMore(Suppress(',') + wd) print(wd_list2.parseString(source)) prints:: ['a', ',', 'b', ',', 'c', ',', 'd'] ['a', 'b', 'c', 'd'] (See also :class:`delimitedList`.) c C s g S r� r r� r r r r� � s zSuppress.postParsec C s | S r� r r� r r r rM � s zSuppress.suppressN)r r r r� r� rM r r r r rJ u s rJ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r9 zDWrapper for parse actions, to ensure they are only called once. c C s t |�| _d| _d S r� )r� r� �called)r� Z methodCallr r r r� � s zOnlyOnce.__init__c C s. | j s | �|||�}d| _ |S t||d��d S )NTr� )r' r� r> )r� r� r� r� r� r r r rL � s zOnlyOnce.__call__c C s d| _ d S r� )r' r� r r r �reset� s zOnlyOnce.resetN)r r r r� r� rL r( r r r r r9 � s r9 c s8 t � �� � fdd�}z � j|_W n ty2 Y n0 |S )aq Decorator for debugging parse actions. When the parse action is called, this decorator will print ``">> entering method-name(line:<current_source_line>, <parse_location>, <matched_tokens>)"``. When the parse action completes, the decorator will print ``"<<"`` followed by the returned value, or any exception that the parse action raised. Example:: wd = Word(alphas) @traceParseAction def remove_duplicate_chars(tokens): return ''.join(sorted(set(''.join(tokens)))) wds = OneOrMore(wd).setParseAction(remove_duplicate_chars) print(wds.parseString("slkdjs sld sldd sdlf sdljf")) prints:: >>entering remove_duplicate_chars(line: 'slkdjs sld sldd sdlf sdljf', 0, (['slkdjs', 'sld', 'sldd', 'sdlf', 'sdljf'], {})) <<leaving remove_duplicate_chars (ret: 'dfjkls') ['dfjkls'] c s� � j }| dd � \}}}t| �dkr8| d jj d | }tj�d|t||�||f � z � | � }W n: ty� } z"tj�d||f � � W Y d }~n d }~0 0 tj�d||f � |S )Nr� r� r �.z">>entering %s(line: '%s', %d, %r) z <<leaving %s (exception: %s) z<<leaving %s (ret: %r) )r r� r� r� �stderrrj rg r� )ZpaArgsZthisFuncr� r� r� r� r� �r[ r r �z� s ztraceParseAction.<locals>.z)r� r r� )r[ r, r r+ r r� � s r� �,c C s` t | �d t |� d t | � d }|rBt| t|| � ��|�S | tt|�| � �|�S dS )a� Helper to define a delimited list of expressions - the delimiter defaults to ','. By default, the list elements and delimiters can have intervening whitespace, and comments, but this can be overridden by passing ``combine=True`` in the constructor. If ``combine`` is set to ``True``, the matching tokens are returned as a single token string, with the delimiters included; otherwise, the matching tokens are returned as a list of tokens, with the delimiters suppressed. Example:: delimitedList(Word(alphas)).parseString("aa,bb,cc") # -> ['aa', 'bb', 'cc'] delimitedList(Word(hexnums), delim=':', combine=True).parseString("AA:BB:CC:DD:EE") # -> ['AA:BB:CC:DD:EE'] z [r� r N)r� r( rQ r� rJ )r� �delim�combineZdlNamer r r r` � s $r` c sj t � � � �fdd�}|du r0tt��dd� �}n|�� }|�d� |j|dd� |� �d t�� d �S ) a> Helper to define a counted list of expressions. This helper defines a pattern of the form:: integer expr expr expr... where the leading integer tells how many expr expressions follow. The matched tokens returns the array of expr tokens as a list - the leading count token is suppressed. If ``intExpr`` is specified, it should be a pyparsing expression that produces an integer value. Example:: countedArray(Word(alphas)).parseString('2 ab cd ef') # -> ['ab', 'cd'] # in this parser, the leading integer value is given in binary, # '10' indicating that 2 values are in the array binaryConstant = Word('01').setParseAction(lambda t: int(t[0], 2)) countedArray(Word(alphas), intExpr=binaryConstant).parseString('10 ab cd ef') # -> ['ab', 'cd'] c s. |d }� |r t t�g| ��p&t t�> g S r )r/ r$ rc )r� r� r� r= �Z arrayExprr� r r �countFieldParseAction� s "z+countedArray.<locals>.countFieldParseActionNc S s t | d �S r )r� r� r r r r� r z countedArray.<locals>.<lambda>ZarrayLenT�r� z(len) rs )r- rN rr r� rR r� r� r� )r� ZintExprr1 r r0 r r\ � s r\ c C s6 g }| D ](}t |t�r&|�t|�� q|�|� q|S r� )r� r rN r+ r� )�Lr� r� r r r r+ s r+ c s6 t � � � fdd�}| j|dd� � �dt| � � � S )a4 Helper to define an expression that is indirectly defined from the tokens matched in a previous expression, that is, it looks for a 'repeat' of a previous expression. For example:: first = Word(nums) second = matchPreviousLiteral(first) matchExpr = first + ":" + second will match ``"1:1"``, but not ``"1:2"``. Because this matches a previous literal, will also match the leading ``"1:1"`` in ``"1:10"``. If this is not desired, use :class:`matchPreviousExpr`. Do *not* use with packrat parsing enabled. c sP |rBt |�dkr � |d > qLt|�� �}� tdd� |D ��> n � t� > d S )Nr� r c s s | ]}t |�V qd S r� )r3 �r �ttr r r r� * r zDmatchPreviousLiteral.<locals>.copyTokenToRepeater.<locals>.<genexpr>)r� r+ r r$ r+ )r� r� r� Ztflat�Zrepr r �copyTokenToRepeater# s z1matchPreviousLiteral.<locals>.copyTokenToRepeaterTr2 �(prev) )r- r� r� r� )r� r7 r r6 r ro s ro c sF t � � | �� }� |K � � fdd�}| j|dd� � �dt| � � � S )aT Helper to define an expression that is indirectly defined from the tokens matched in a previous expression, that is, it looks for a 'repeat' of a previous expression. For example:: first = Word(nums) second = matchPreviousExpr(first) matchExpr = first + ":" + second will match ``"1:1"``, but not ``"1:2"``. Because this matches by expressions, will *not* match the leading ``"1:1"`` in ``"1:10"``; the expressions are evaluated first, and then compared, so ``"1"`` is compared with ``"10"``. Do *not* use with packrat parsing enabled. c s* t |�� �� � fdd�}�j|dd� d S )Nc s$ t |�� �}|� kr tddd��d S )Nr� r )r+ r r> )r� r� r� Z theseTokens�Z matchTokensr r �mustMatchTheseTokensE s zLmatchPreviousExpr.<locals>.copyTokenToRepeater.<locals>.mustMatchTheseTokensTr2 )r+ r r� )r� r� r� r: r6 r9 r r7 C s z.matchPreviousExpr.<locals>.copyTokenToRepeaterTr2 r8 )r- rR r� r� r� )r� �e2r7 r r6 r rn 1 s rn c C s: dD ]}| � |t| �} q| � dd�} | � dd�} t| �S )Nz\^-[]r� rf r� r� )r� �_bslashr� )r� r� r r r r� N s r� c s� t |t�rtjddd� |r:dd� }dd� }|r4tnt� n dd� }dd� }|rRtnt� g }t | t�rn| �� }n$t | t �r�t | �}ntjd t dd� |s�t � S |�s.d }|t |�d k �r.|| }t||d d � �D ]N\} } || |�r�||| d = q�q�||| �r�||| d = |�|| � q�q�|d 7 }q�|�s�|�s�|�r�zlt |�t d �|��k�r�tdd �dd� |D �� ��d�|��W S td�dd� |D ����d�|��W S W n$ t�y� tjdt dd� Y n0 t� fdd�|D ���d�|��S )a� Helper to quickly define a set of alternative Literals, and makes sure to do longest-first testing when there is a conflict, regardless of the input order, but returns a :class:`MatchFirst` for best performance. Parameters: - strs - a string of space-delimited literals, or a collection of string literals - caseless - (default= ``False``) - treat all literals as caseless - useRegex - (default= ``True``) - as an optimization, will generate a Regex object; otherwise, will generate a :class:`MatchFirst` object (if ``caseless=True`` or ``asKeyword=True``, or if creating a :class:`Regex` raises an exception) - asKeyword - (default=``False``) - enforce Keyword-style matching on the generated expressions Example:: comp_oper = oneOf("< = > <= >= !=") var = Word(alphas) number = Word(nums) term = var | number comparison_expr = term + comp_oper + term print(comparison_expr.searchString("B = 12 AA=23 B<=AA AA>12")) prints:: [['B', '=', '12'], ['AA', '=', '23'], ['B', '<=', 'AA'], ['AA', '>', '12']] z_More than one string argument passed to oneOf, pass choices as a list or space-delimited stringr� r/ c S s | � � |� � kS r� )r� �rU �br r r r� { r zoneOf.<locals>.<lambda>c S s |� � �| � � �S r� )r� r r= r r r r� | r c S s | |kS r� r r= r r r r� r c S s |� | �S r� r r= r r r r� � r z6Invalid argument to oneOf, expected string or iterabler r� Nr� r� c s s | ]}t |�V qd S r� )r� �r Zsymr r r r� � r zoneOf.<locals>.<genexpr>r �|c s s | ]}t �|�V qd S r� )r� r� r? r r r r� � r z7Exception creating Regex for oneOf, building MatchFirstc 3 s | ]}� |�V qd S r� r r? �ZparseElementClassr r r� � r )r� r r3 r4 r% r& r0 r3 r� r r r5 r6 r� r� rK r� rF r� r� r5 ) Zstrsr� ZuseRegexr� ZisequalZmasksZsymbolsr� Zcurr, rS r rA r rs V sX � � **� rs c C s t tt| | ���S )a� Helper to easily and clearly define a dictionary by specifying the respective patterns for the key and value. Takes care of defining the :class:`Dict`, :class:`ZeroOrMore`, and :class:`Group` tokens in the proper order. The key pattern can include delimiting markers or punctuation, as long as they are suppressed, thereby leaving the significant key text. The value pattern can include named results, so that the :class:`Dict` results can include named token fields. Example:: text = "shape: SQUARE posn: upper left color: light blue texture: burlap" attr_expr = (label + Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join)) print(OneOrMore(attr_expr).parseString(text).dump()) attr_label = label attr_value = Suppress(':') + OneOrMore(data_word, stopOn=label).setParseAction(' '.join) # similar to Dict, but simpler call format result = dictOf(attr_label, attr_value).parseString(text) print(result.dump()) print(result['shape']) print(result.shape) # object attribute access works too print(result.asDict()) prints:: [['shape', 'SQUARE'], ['posn', 'upper left'], ['color', 'light blue'], ['texture', 'burlap']] - color: light blue - posn: upper left - shape: SQUARE - texture: burlap SQUARE SQUARE {'color': 'light blue', 'shape': 'SQUARE', 'posn': 'upper left', 'texture': 'burlap'} )r) r8 r/ )rI r- r r r ra � s %ra c C s^ t � �dd� �}|�� }d|_|d�| |d� }|r@dd� }ndd� }|�|� | j|_|S ) a� Helper to return the original, untokenized text for a given expression. Useful to restore the parsed fields of an HTML start tag into the raw tag text itself, or to revert separate tokens with intervening whitespace back to the original matching input text. By default, returns astring containing the original parsed text. If the optional ``asString`` argument is passed as ``False``, then the return value is a :class:`ParseResults` containing any results names that were originally matched, and a single token containing the original matched text from the input string. So if the expression passed to :class:`originalTextFor` contains expressions with defined results names, you must set ``asString`` to ``False`` if you want to preserve those results name values. Example:: src = "this is test <b> bold <i>text</i> </b> normal text " for tag in ("b", "i"): opener, closer = makeHTMLTags(tag) patt = originalTextFor(opener + SkipTo(closer) + closer) print(patt.searchString(src)[0]) prints:: ['<b> bold <i>text</i> </b>'] ['<i>text</i>'] c S s |S r� r )r� r� r� r r r r� � r z!originalTextFor.<locals>.<lambda>F�_original_start� _original_endc S s | |j |j� S r� )rB rC r� r r r r� � r c S s& | |� d�|� d�� g|d d �< d S )NrB rC )rH r� r r r � extractText� s z$originalTextFor.<locals>.extractText)r+ r� rR r� r� )r� ZasStringZ locMarkerZ endlocMarker� matchExprrD r r r r� � s r� c C s t | ��dd� �S )zkHelper to undo pyparsing's default grouping of And expressions, even if all but one are non-empty. c S s | d S r r r� r r r r� r zungroup.<locals>.<lambda>)rL r� )r� r r r r� � s r� c C s4 t � �dd� �}t|d�| d� |�� �� d� �S )a� Helper to decorate a returned token with its starting and ending locations in the input string. This helper adds the following results names: - locn_start = location where matched expression begins - locn_end = location where matched expression ends - value = the actual parsed results Be careful if the input text contains ``<TAB>`` characters, you may want to call :class:`ParserElement.parseWithTabs` Example:: wd = Word(alphas) for match in locatedExpr(wd).searchString("ljsdf123lksdjjf123lkkjj1222"): print(match) prints:: [[0, 'ljsdf', 5]] [[8, 'lksdjjf', 15]] [[18, 'lkkjj', 23]] c S s |S r� r r� r r r r� r z locatedExpr.<locals>.<lambda>Z locn_startr- Zlocn_end)r+ r� r/ rR rO )r� Zlocatorr r r r� s r� rc ri rh r� r� z\[]-*.$+^?()~ �r� c C s |d d S r& r r� r r r r� ( r r� z\\0?[xX][0-9a-fA-F]+c C s t t|d �d�d��S )Nr z\0xr� )�unichrr� rk r� r r r r� ) r z \\0[0-7]+c C s t t|d dd � d��S )Nr r� � )rG r� r� r r r r� * r z\]r� r^ r� �negate�bodyra c sD dd� � z"d� � fdd�t�| �jD ��W S ty> Y dS 0 dS )a Helper to easily define string ranges for use in Word construction. Borrows syntax from regexp '[]' string range definitions:: srange("[0-9]") -> "0123456789" srange("[a-z]") -> "abcdefghijklmnopqrstuvwxyz" srange("[a-z$_]") -> "abcdefghijklmnopqrstuvwxyz$_" The input string must be enclosed in []'s, and the returned string is the expanded character set joined into a single string. The values enclosed in the []'s may be: - a single character - an escaped character with a leading backslash (such as ``\-`` or ``\]``) - an escaped hex character with a leading ``'\x'`` (``\x21``, which is a ``'!'`` character) (``\0x##`` is also supported for backwards compatibility) - an escaped octal character with a leading ``'\0'`` (``\041``, which is a ``'!'`` character) - a range of any of the above, separated by a dash (``'a-z'``, etc.) - any combination of the above (``'aeiouy'``, ``'a-zA-Z0-9_$'``, etc.) c S s< t | t�s| S d�dd� tt| d �t| d �d �D ��S )Nr� c s s | ]}t |�V qd S r� �rG r� r r r r� I r z+srange.<locals>.<lambda>.<locals>.<genexpr>r r� )r� rA r� r' �ord)�pr r r r� I r zsrange.<locals>.<lambda>r� c 3 s | ]}� |�V qd S r� r )r �part�Z _expandedr r r� K r zsrange.<locals>.<genexpr>N)r� �_reBracketExprr$ rJ r� r� r rO r r / s " r c s � fdd�}|S )zoHelper method for defining parse actions that require matching at a specific column in the input text. c s" t || �� kr t| |d� ��d S )Nz matched token not at column %dr� )r� Zlocnr� r< r r � verifyColS s z!matchOnlyAtCol.<locals>.verifyColr )r= rQ r r< r rm O s rm c s � fdd�S )a� Helper method for common parse actions that simply return a literal value. Especially useful when used with :class:`transformString<ParserElement.transformString>` (). Example:: num = Word(nums).setParseAction(lambda toks: int(toks[0])) na = oneOf("N/A NA").setParseAction(replaceWith(math.nan)) term = na | num OneOrMore(term).parseString("324 234 N/A 234") # -> [324, 234, nan, 234] c s � gS r� r r� �ZreplStrr r r� e r z replaceWith.<locals>.<lambda>r rR r rR r r| X s r| c C s |d dd� S )a Helper parse action for removing quotation marks from parsed quoted strings. Example:: # by default, quotation marks are included in parsed results quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"] # use removeQuotes to strip quotation marks from parsed results quotedString.setParseAction(removeQuotes) quotedString.parseString("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"] r r� r� r r� r r r rz g s rz c sL � �fdd�}zt �dt �d�j�}W n ty@ t��}Y n0 ||_|S )aL Helper to define a parse action by mapping a function to all elements of a ParseResults list. If any additional args are passed, they are forwarded to the given function as additional arguments after the token, as in ``hex_integer = Word(hexnums).setParseAction(tokenMap(int, 16))``, which will convert the parsed data to an integer using base 16. Example (compare the last to example in :class:`ParserElement.transformString`:: hex_ints = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16)) hex_ints.runTests(''' 00 11 22 aa FF 0a 0d 1a ''') upperword = Word(alphas).setParseAction(tokenMap(str.upper)) OneOrMore(upperword).runTests(''' my kingdom for a horse ''') wd = Word(alphas).setParseAction(tokenMap(str.title)) OneOrMore(wd).setParseAction(' '.join).runTests(''' now is the winter of our discontent made glorious summer by this sun of york ''') prints:: 00 11 22 aa FF 0a 0d 1a [0, 17, 34, 170, 255, 10, 13, 26] my kingdom for a horse ['MY', 'KINGDOM', 'FOR', 'A', 'HORSE'] now is the winter of our discontent made glorious summer by this sun of york ['Now Is The Winter Of Our Discontent Made Glorious Summer By This Sun Of York'] c s � �fdd�|D �S )Nc s g | ]}�|g� �R � �qS r r )r Ztokn�r� r� r r r � r z(tokenMap.<locals>.pa.<locals>.<listcomp>r r� rS r r r� � s ztokenMap.<locals>.par r� )r� r r� r� )r� r� r� r� r rS r r� v s $ � r� c C s t | ��� S r� �r� r� r� r r r r� � r c C s t | ��� S r� �r� �lowerr� r r r r� � r ro rp c s~ t | t�r | � t| | d�} n| j� tttd �}|r�t�� � t �}|| d� t t t |td� | ��� tddgd�d�� d d � � | }nlt�� � t �ttd d �B }|| d� t t t |� t�ttd�| � ��� tddgd�d�� d d � � | }ttd�| d dd�}|�d� � |�� fdd �� |dd�� �dd��� �� � ��d� �}� |_� |_t |� �|_ ||fS )zRInternal helper to construct opening and closing tag expressions, given a tag namer� z_-:�tag�=�/F�rE rc c S s |d dkS �Nr rY r r� r r r r� � r z_makeTags.<locals>.<lambda>rp r� c S s |d dkS r[ r r� r r r r� � r rq )r# z<%s>c s* | � dd�� �dd��� �� � | �� �S )Nr� r� �:r� )r% r� r� �titler� rR r� �Zresnamer r r� � r r� r� r\ r� z</%s>) r� r r0 r rN rT rS r^ rR r� rz r) rQ r/ rJ r: ry rv rb r( �_Lr� r� r� r� r] r� rW rG Ztag_body)�tagStrZxmlZ suppress_LTZ suppress_GTZ tagAttrNameZ tagAttrValueZopenTagZcloseTagr r^ r � _makeTags� sH ���������, ra c C s t | d�S )aK Helper to construct opening and closing tag expressions for HTML, given a tag name. Matches tags in either upper or lower case, attributes with namespaces and with quoted or unquoted values. Example:: text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' # makeHTMLTags returns pyparsing expressions for the opening and # closing tags as a 2-tuple a, a_end = makeHTMLTags("A") link_expr = a + SkipTo(a_end)("link_text") + a_end for link in link_expr.searchString(text): # attributes in the <A> tag (like "href" shown here) are # also accessible as named results print(link.link_text, '->', link.href) prints:: pyparsing -> https://github.com/pyparsing/pyparsing/wiki F�ra �r` r r r rk � s rk c C s t | d�S )z�Helper to construct opening and closing tag expressions for XML, given a tag name. Matches tags only in the given upper/lower case. Example: similar to :class:`makeHTMLTags` Trb rc r r r rl � s rl c s8 | r| dd� � n|� � � dd� � D �� � fdd�}|S )a7 Helper to create a validating parse action to be used with start tags created with :class:`makeXMLTags` or :class:`makeHTMLTags`. Use ``withAttribute`` to qualify a starting tag with a required attribute value, to avoid false matches on common tags such as ``<TD>`` or ``<DIV>``. Call ``withAttribute`` with a series of attribute names and values. Specify the list of filter attributes names and values as: - keyword arguments, as in ``(align="right")``, or - as an explicit dict with ``**`` operator, when an attribute name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}`` - a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))`` For attribute names with a namespace prefix, you must use the second form. Attribute names are matched insensitive to upper/lower case. If just testing for ``class`` (with or without a namespace), use :class:`withClass`. To verify that the attribute exists, but without specifying a value, pass ``withAttribute.ANY_VALUE`` as the value. Example:: html = ''' <div> Some text <div type="grid">1 4 0 1 0</div> <div type="graph">1,3 2,3 1,1</div> <div>this has no type</div> </div> ''' div,div_end = makeHTMLTags("div") # only match div tag having a type attribute with value "grid" div_grid = div().setParseAction(withAttribute(type="grid")) grid_expr = div_grid + SkipTo(div | div_end)("body") for grid_header in grid_expr.searchString(html): print(grid_header.body) # construct a match with any div tag having a type attribute, regardless of the value div_any_type = div().setParseAction(withAttribute(type=withAttribute.ANY_VALUE)) div_expr = div_any_type + SkipTo(div | div_end)("body") for div_header in div_expr.searchString(html): print(div_header.body) prints:: 1 4 0 1 0 1 4 0 1 0 1,3 2,3 1,1 Nc S s g | ]\}}||f�qS r r rj r r r r / r z!withAttribute.<locals>.<listcomp>c sZ � D ]P\}}||vr$t | |d| ��|tjkr|| |krt | |d||| |f ��qd S )Nzno matching attribute z+attribute '%s' has value '%s', must be '%s')r> r� � ANY_VALUE)r� r� r� ZattrNameZ attrValue��attrsr r r� 0 s �zwithAttribute.<locals>.pa)r* )r� ZattrDictr� r re r r� � s 8 r� c C s" |r d| nd}t f i || i��S )a� Simplified version of :class:`withAttribute` when matching on a div class - made difficult because ``class`` is a reserved word in Python. Example:: html = ''' <div> Some text <div class="grid">1 4 0 1 0</div> <div class="graph">1,3 2,3 1,1</div> <div>this <div> has no class</div> </div> ''' div,div_end = makeHTMLTags("div") div_grid = div().setParseAction(withClass("grid")) grid_expr = div_grid + SkipTo(div | div_end)("body") for grid_header in grid_expr.searchString(html): print(grid_header.body) div_any_type = div().setParseAction(withClass(withAttribute.ANY_VALUE)) div_expr = div_any_type + SkipTo(div | div_end)("body") for div_header in div_expr.searchString(html): print(div_header.body) prints:: 1 4 0 1 0 1 4 0 1 0 1,3 2,3 1,1 z%s:class�class)r� )Z classname� namespaceZ classattrr r r r� : s #r� �(r� c C s� G dd� dt �}t� }| || | B }t|�D �]r\}}|d dd� \} } } } | dk r`d| nd| } | dkr�| du s�t| �d kr�td ��| \}}t� �| �}| tjk�rt| d kr�||| �t|t | � � }n�| d k�r*| du�r ||| | �t|t | | � � }n ||| �t|t |� � }nH| dk�rj||| | | | �t|t || | | � � }ntd ��n�| tj k�rX| d k�r�t | t ��s�t | �} || j | �t| | � }n�| d k�r| du�r�||| | �t|t | | � � }n ||| �t|t |� � }nD| dk�rN||| | | | �t|| | | | � }ntd ��ntd ��| �r�t | ttf��r�|j| � n |�| � ||�| �|B K }|}q.||K }|S )al Helper method for constructing grammars of expressions made up of operators working in a precedence hierarchy. Operators may be unary or binary, left- or right-associative. Parse actions can also be attached to operator expressions. The generated parser will also recognize the use of parentheses to override operator precedences (see example below). Note: if you define a deep operator list, you may see performance issues when using infixNotation. See :class:`ParserElement.enablePackrat` for a mechanism to potentially improve your parser performance. Parameters: - baseExpr - expression representing the most basic element for the nested - opList - list of tuples, one for each operator precedence level in the expression grammar; each tuple is of the form ``(opExpr, numTerms, rightLeftAssoc, parseAction)``, where: - opExpr is the pyparsing expression for the operator; may also be a string, which will be converted to a Literal; if numTerms is 3, opExpr is a tuple of two expressions, for the two operators separating the 3 terms - numTerms is the number of terms for this operator (must be 1, 2, or 3) - rightLeftAssoc is the indicator whether the operator is right or left associative, using the pyparsing-defined constants ``opAssoc.RIGHT`` and ``opAssoc.LEFT``. - parseAction is the parse action to be associated with expressions matching this operator expression (the parse action tuple member may be omitted); if the parse action is passed a tuple or list of functions, this is equivalent to calling ``setParseAction(*fn)`` (:class:`ParserElement.setParseAction`) - lpar - expression for matching left-parentheses (default= ``Suppress('(')``) - rpar - expression for matching right-parentheses (default= ``Suppress(')')``) Example:: # simple example of four-function arithmetic with ints and # variable names integer = pyparsing_common.signed_integer varname = pyparsing_common.identifier arith_expr = infixNotation(integer | varname, [ ('-', 1, opAssoc.RIGHT), (oneOf('* /'), 2, opAssoc.LEFT), (oneOf('+ -'), 2, opAssoc.LEFT), ]) arith_expr.runTests(''' 5+3*6 (5+3)*6 -2--11 ''', fullDump=False) prints:: 5+3*6 [[5, '+', [3, '*', 6]]] (5+3)*6 [[[5, '+', 3], '*', 6]] -2--11 [[['-', 2], '-', ['-', 11]]] c @ s e Zd Zddd�ZdS )zinfixNotation.<locals>._FBTc S s | j �||� |g fS r� )r� r� r� r r r r� � s z$infixNotation.<locals>._FB.parseImplN)Tr� r r r r �_FB� s rj r� Nr� r� z%s termz %s%s termr� z@if numterms=3, opExpr must be a tuple or list of two expressionsr� z6operator must be unary (1), binary (2), or ternary (3)z2operator must indicate right or left associativity)r, r- r� r� rA r� rt �LEFTr/ r8 �RIGHTr� r: r� r@ r r� )ZbaseExprZopListZlparZrparrj r� ZlastExprr� ZoperDefZopExprZarityZrightLeftAssocr� ZtermNameZopExpr1ZopExpr2ZthisExprrE r r r r� d s` H� & � & � r� z4"(?:[^"\n\r\\]|(?:"")|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*�"z string enclosed in double quotesz4'(?:[^'\n\r\\]|(?:'')|(?:\\(?:[^x]|x[0-9a-fA-F]+)))*�'z string enclosed in single quotesz*quotedString using single or double quotes�uzunicode string literalc C s� | |krt d��|du �r*t| t��r"t|t��r"t| �dkr�t|�dkr�|dur�tt| t| | tj dd� ��� dd� �}n$t � � t| | tj �� dd� � }nx|dur�tt| t | � t |� ttjdd� ��� dd� �}n4ttt | � t |� ttjdd� ��� d d� �}nt d ��t � }|du�rd|tt| �t||B |B � t|� �K }n$|tt| �t||B � t|� �K }|�d | |f � |S ) a� Helper method for defining nested lists enclosed in opening and closing delimiters ("(" and ")" are the default). Parameters: - opener - opening character for a nested list (default= ``"("``); can also be a pyparsing expression - closer - closing character for a nested list (default= ``")"``); can also be a pyparsing expression - content - expression for items within the nested lists (default= ``None``) - ignoreExpr - expression for ignoring opening and closing delimiters (default= :class:`quotedString`) If an expression is not provided for the content argument, the nested expression will capture all whitespace-delimited content between delimiters as a list of separate values. Use the ``ignoreExpr`` argument to define expressions that may contain opening or closing characters that should not be treated as opening or closing characters for nesting, such as quotedString or a comment expression. Specify multiple expressions using an :class:`Or` or :class:`MatchFirst`. The default is :class:`quotedString`, but if no expressions are to be ignored, then pass ``None`` for this argument. Example:: data_type = oneOf("void int short long char float double") decl_data_type = Combine(data_type + Optional(Word('*'))) ident = Word(alphas+'_', alphanums+'_') number = pyparsing_common.number arg = Group(decl_data_type + ident) LPAR, RPAR = map(Suppress, "()") code_body = nestedExpr('{', '}', ignoreExpr=(quotedString | cStyleComment)) c_function = (decl_data_type("type") + ident("name") + LPAR + Optional(delimitedList(arg), [])("args") + RPAR + code_body("body")) c_function.ignore(cStyleComment) source_code = ''' int is_odd(int x) { return (x%2); } int dec_to_hex(char hchar) { if (hchar >= '0' && hchar <= '9') { return (ord(hchar)-ord('0')); } else { return (10+ord(hchar)-ord('A')); } } ''' for func in c_function.searchString(source_code): print("%(name)s (%(type)s) args: %(args)s" % func) prints:: is_odd (int) args: [['int', 'x']] dec_to_hex (int) args: [['char', 'hchar']] z.opening and closing strings cannot be the sameNr� rF c S s | d � � S r �r� r� r r r r� ; r z nestedExpr.<locals>.<lambda>c S s | d � � S r rp r� r r r r� @ r c S s | d � � S r rp r� r r r r� G r c S s | d � � S r rp r� r r r r� L r zOopening and closing arguments must be strings if no content expression is givenznested %s%s expression)rA r� r r� r( r8 r' rC r� r� rc rR r3 r- r/ rJ rQ r� )�openerZcloserZcontentr r� r r r rp � s` A ����� ����� �� � �� *$rp c s& �dd� � � �fdd���fdd�}�fdd�}�fdd �}t t� �d ��� t� d �}t� t� �|� �d �}t� �|��d �}t� �|��d�} |r�tt |�| t |t| � t |� t� d � | �} n.tt |�t |t| � t |� t� d � | �} | � �fdd�� | � t t� � | �d�S )a� Helper method for defining space-delimited indentation blocks, such as those used to define block statements in Python source code. Parameters: - blockStatementExpr - expression defining syntax of statement that is repeated within the indented block - indentStack - list created by caller to manage indentation stack (multiple statementWithIndentedBlock expressions within a single grammar should share a common indentStack) - indent - boolean indicating whether block must be indented beyond the current level; set to False for block of left-most statements (default= ``True``) A valid block must contain at least one ``blockStatement``. Example:: data = ''' def A(z): A1 B = 100 G = A2 A2 A3 B def BB(a,b,c): BB1 def BBA(): bba1 bba2 bba3 C D def spam(x,y): def eggs(z): pass ''' indentStack = [1] stmt = Forward() identifier = Word(alphas, alphanums) funcDecl = ("def" + identifier + Group("(" + Optional(delimitedList(identifier)) + ")") + ":") func_body = indentedBlock(stmt, indentStack) funcDef = Group(funcDecl + func_body) rvalue = Forward() funcCall = Group(identifier + "(" + Optional(delimitedList(rvalue)) + ")") rvalue << (funcCall | identifier | Word(nums)) assignment = Group(identifier + "=" + rvalue) stmt << (funcDef | assignment | identifier) module_body = OneOrMore(stmt) parseTree = module_body.parseString(data) parseTree.pprint() prints:: [['def', 'A', ['(', 'z', ')'], ':', [['A1'], [['B', '=', '100']], [['G', '=', 'A2']], ['A2'], ['A3']]], 'B', ['def', 'BB', ['(', 'a', 'b', 'c', ')'], ':', [['BB1'], [['def', 'BBA', ['(', ')'], ':', [['bba1'], ['bba2'], ['bba3']]]]]], 'C', 'D', ['def', 'spam', ['(', 'x', 'y', ')'], ':', [[['def', 'eggs', ['(', 'z', ')'], ':', [['pass']]]]]]] Nc s � �d d �< d S r� r r )� backup_stack� indentStackr r � reset_stack� s z"indentedBlock.<locals>.reset_stackc sN |t | �krd S t|| �}|� d krJ|� d kr>t| |d��t| |d��d S )Nr� zillegal nestingznot a peer entry)r� rY r> �r� r� r� ZcurCol�rs r r �checkPeerIndent� s z&indentedBlock.<locals>.checkPeerIndentc s2 t || �}|� d kr"� �|� n t| |d��d S )Nr� znot a subentry)rY r� r> ru rv r r �checkSubIndent� s z%indentedBlock.<locals>.checkSubIndentc sJ |t | �krd S t|| �}� r&|� v s2t| |d��|� d k rF� �� d S )Nznot an unindentr� )r� rY r> rH ru rv r r � checkUnindent� s z$indentedBlock.<locals>.checkUnindentz r �INDENTr� ZUNINDENTc s � � S r� r )rU r> r� r� )rt r r r� � r z indentedBlock.<locals>.<lambda>zindented block) r8 r1 rP rM rH r+ r� r� r/ r: r� rR r< ) ZblockStatementExprrs rs rw rx ry r� rz ZPEERZUNDENTZsmExprr )rr rs rt r r� W s2 Q � �� ��r� z#[\0xc0-\0xd6\0xd8-\0xf6\0xf8-\0xff]z[\0xa1-\0xbf\0xd7\0xf7]z_:zany tagzgt lt amp nbsp quot aposz><& "'z &(?P<entity>r@ z);zcommon HTML entityc C s t �| j�S )zRHelper parser action to replace common HTML entities with their special characters)�_htmlEntityMapr� Zentityr� r r r r{ � s r{ z/\*(?:[^*]|\*(?!/))*z*/zC style commentz<!--[\s\S]*?-->z HTML commentz.*z rest of linez//(?:\\\n|[^\n])*z // commentzC++ style commentz#.*zPython style commentr� � � commaItemrZ rZ c @ s� e Zd ZdZee�Zee�Ze e �� d�� e�Z e e�� d�� eed��Zed�� d�� e�Ze� � e�d e� � e� � d�Ze�d d � � eeeed ��� e � B � d �Ze�e� ed �� d�� e�Zed�� d�� e�ZeeB eB �� Zed�� d�� e�Z e e d e d �� d�Z ed�� d�Z ed�� d�Z!e!de! d � d�Z"ee!de! d �d ee!de! d � � d �Z#e#�$d d � � d e � d!�Z%e&e"e%B e#B � d"��� d"�Z'ed#�� d$�Z(e)d=d&d'��Z*e)d>d)d*��Z+ed+�� d,�Z,ed-�� d.�Z-ed/�� d0�Z.e/�� e0�� B Z1e)d1d2� �Z2e&e3e4d3� e5� e e6d3d4� ee7d5�� ���� � d6�Z8e9ee:�;� e8B d7d8��� d9�Z<e)ed:d � ��Z=e)ed;d � ��Z>d<S )?r� a Here are some common low-level expressions that may be useful in jump-starting parser development: - numeric forms (:class:`integers<integer>`, :class:`reals<real>`, :class:`scientific notation<sci_real>`) - common :class:`programming identifiers<identifier>` - network addresses (:class:`MAC<mac_address>`, :class:`IPv4<ipv4_address>`, :class:`IPv6<ipv6_address>`) - ISO8601 :class:`dates<iso8601_date>` and :class:`datetime<iso8601_datetime>` - :class:`UUID<uuid>` - :class:`comma-separated list<comma_separated_list>` Parse actions: - :class:`convertToInteger` - :class:`convertToFloat` - :class:`convertToDate` - :class:`convertToDatetime` - :class:`stripHTMLTags` - :class:`upcaseTokens` - :class:`downcaseTokens` Example:: pyparsing_common.number.runTests(''' # any int or real number, returned as the appropriate type 100 -100 +100 3.14159 6.02e23 1e-12 ''') pyparsing_common.fnumber.runTests(''' # any int or real number, returned as float 100 -100 +100 3.14159 6.02e23 1e-12 ''') pyparsing_common.hex_integer.runTests(''' # hex numbers 100 FF ''') pyparsing_common.fraction.runTests(''' # fractions 1/2 -3/4 ''') pyparsing_common.mixed_integer.runTests(''' # mixed fractions 1 1/2 -3/4 1-3/4 ''') import uuid pyparsing_common.uuid.setParseAction(tokenMap(uuid.UUID)) pyparsing_common.uuid.runTests(''' # uuid 12345678-1234-5678-1234-567812345678 ''') prints:: # any int or real number, returned as the appropriate type 100 [100] -100 [-100] +100 [100] 3.14159 [3.14159] 6.02e23 [6.02e+23] 1e-12 [1e-12] # any int or real number, returned as float 100 [100.0] -100 [-100.0] +100 [100.0] 3.14159 [3.14159] 6.02e23 [6.02e+23] 1e-12 [1e-12] # hex numbers 100 [256] FF [255] # fractions 1/2 [0.5] -3/4 [-0.75] # mixed fractions 1 [1] 1/2 [0.5] -3/4 [-0.75] 1-3/4 [1.75] # uuid 12345678-1234-5678-1234-567812345678 [UUID('12345678-1234-5678-1234-567812345678')] �integerz hex integerr� z[+-]?\d+zsigned integerrY �fractionc C s | d | d S )Nr r� r r� r r r r� � r zpyparsing_common.<lambda>r� z"fraction or mixed integer-fractionz[+-]?(?:\d+\.\d*|\.\d+)z real numberz@[+-]?(?:\d+(?:[eE][+-]?\d+)|(?:\d+\.\d*|\.\d+)(?:[eE][+-]?\d+)?)z$real number with scientific notationz [+-]?\d+\.?\d*([eE][+-]?\d+)?�fnumberr � identifierzK(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})){3}z IPv4 addressz[0-9a-fA-F]{1,4}� hex_integerr\ � zfull IPv6 address)r r� z::zshort IPv6 addressc C s t dd� | D ��dk S )Nc s s | ]}t j�|�rd V qdS rm )r� � _ipv6_partr' r4 r r r r� � r z,pyparsing_common.<lambda>.<locals>.<genexpr>rH )r r� r r r r� � r z::ffff:zmixed IPv6 addressz IPv6 addressz:[0-9a-fA-F]{2}([:.-])[0-9a-fA-F]{2}(?:\1[0-9a-fA-F]{2}){4}z MAC address�%Y-%m-%dc s � fdd�}|S )a� Helper to create a parse action for converting parsed date string to Python datetime.date Params - - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%d"``) Example:: date_expr = pyparsing_common.iso8601_date.copy() date_expr.setParseAction(pyparsing_common.convertToDate()) print(date_expr.parseString("1999-12-31")) prints:: [datetime.date(1999, 12, 31)] c sP zt �|d � ��� W S tyJ } z t| |t|���W Y d }~n d }~0 0 d S r )r �strptime�daterA r> r� �r� r� r� �ve��fmtr r �cvt_fn� s z.pyparsing_common.convertToDate.<locals>.cvt_fnr �r� r� r r� r � convertToDate� s z pyparsing_common.convertToDate�%Y-%m-%dT%H:%M:%S.%fc s � fdd�}|S )a Helper to create a parse action for converting parsed datetime string to Python datetime.datetime Params - - fmt - format to be passed to datetime.strptime (default= ``"%Y-%m-%dT%H:%M:%S.%f"``) Example:: dt_expr = pyparsing_common.iso8601_datetime.copy() dt_expr.setParseAction(pyparsing_common.convertToDatetime()) print(dt_expr.parseString("1999-12-31T23:59:59.999")) prints:: [datetime.datetime(1999, 12, 31, 23, 59, 59, 999000)] c sL zt �|d � �W S tyF } z t| |t|���W Y d }~n d }~0 0 d S r )r r� rA r> r� r� r� r r r� � s z2pyparsing_common.convertToDatetime.<locals>.cvt_fnr r� r r� r �convertToDatetime� s z"pyparsing_common.convertToDatetimez7(?P<year>\d{4})(?:-(?P<month>\d\d)(?:-(?P<day>\d\d))?)?z ISO8601 datez�(?P<year>\d{4})-(?P<month>\d\d)-(?P<day>\d\d)[T ](?P<hour>\d\d):(?P<minute>\d\d)(:(?P<second>\d\d(\.\d*)?)?)?(?P<tz>Z|[+-]\d\d:?\d\d)?zISO8601 datetimez2[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}�UUIDc C s t j�|d �S )a Parse action to remove HTML tags from web page HTML source Example:: # strip HTML links from normal text text = '<td>More info at the <a href="https://github.com/pyparsing/pyparsing/wiki">pyparsing</a> wiki page</td>' td, td_end = makeHTMLTags("TD") table_text = td + SkipTo(td_end).setParseAction(pyparsing_common.stripHTMLTags)("body") + td_end print(table_text.parseString(text).body) Prints:: More info at the pyparsing wiki page r )r� �_html_stripperr� )r� r� r� r r r � stripHTMLTags s z pyparsing_common.stripHTMLTagsr- r� r| r} r� rZ zcomma separated listc C s t | ��� S r� rT r� r r r r� # r c C s t | ��� S r� rU r� r r r r� & r N)r� )r� )?r r r r� r� r� ZconvertToInteger�floatZconvertToFloatrN rr r� r� r~ rd r� rF Zsigned_integerr r� r: rM Z mixed_integerr �realZsci_realr �numberr� rT rS r� Z ipv4_addressr� Z_full_ipv6_addressZ_short_ipv6_addressr� Z_mixed_ipv6_addressr( Z ipv6_addressZ mac_addressr� r� r� Z iso8601_dateZiso8601_datetime�uuidrW rV r� r� r8 r3 r1 rv rM � _commasepitemr` ry rR Zcomma_separated_listr� rb r r r r r� � sv "" ��� � � � � ���r� c @ s e Zd Zdd� Zdd� ZdS )�_lazyclasspropertyc C s || _ |j| _|j| _d S r� )r� r� r r� r r r r� + s z_lazyclassproperty.__init__c sl � d u rt |�� t� d�r:t� fdd�� jdd � D ��r@i � _| jj}|� jvrb| �� �� j|< � j| S )N�_internc 3 s | ]}� j t|d g �u V qdS )r� N)r� r� )r Z superclassr� r r r� 3 s �z-_lazyclassproperty.__get__.<locals>.<genexpr>r� )r� r: r� �__mro__r� r� r )r� r� r� �attrnamer r� r �__get__0 s � z_lazyclassproperty.__get__N)r r r r� r� r r r r r� * s r� c @ sP e Zd ZdZg Zedd� �Zedd� �Zedd� �Z edd � �Z ed d � �Z d S ) r� a� A set of Unicode characters, for language-specific strings for ``alphas``, ``nums``, ``alphanums``, and ``printables``. A unicode_set is defined by a list of ranges in the Unicode character set, in a class attribute ``_ranges``, such as:: _ranges = [(0x0020, 0x007e), (0x00a0, 0x00ff),] A unicode set can also be defined using multiple inheritance of other unicode sets:: class CJK(Chinese, Japanese, Korean): pass c C sZ g }| j D ]8}|tu r qD|jD ] }|�t|d |d d �� q q dd� tt|��D �S )Nr r� r� c S s g | ] }t |��qS r rK r� r r r r T r z5unicode_set._get_chars_for_ranges.<locals>.<listcomp>)r� r� �_rangesrN r' r~ r� )r� r� ZccZrrr r r �_get_chars_for_rangesL s z!unicode_set._get_chars_for_rangesc C s d� ttj| �� ��S )z+all non-whitespace characters in this ranger� )r� r r� r� r� r� r r r rv V s zunicode_set.printablesc C s d� ttj| �� ��S )z'all alphabetic characters in this ranger� )r� �filterr� �isalphar� r� r r r rT [ s zunicode_set.alphasc C s d� ttj| �� ��S )z*all numeric digit characters in this ranger� )r� r� r� �isdigitr� r� r r r rr ` s zunicode_set.numsc C s | j | j S )z)all alphanumeric characters in this range)rT rr r� r r r rS e s zunicode_set.alphanumsN) r r r r� r� r� r� r� rv rT rr rS r r r r r� < s r� c @ s� e Zd ZdZdejfgZG dd� de�ZG dd� de�Z G dd� de�Z G d d � d e�Z G d d � d e�Z G d d� de�Z G dd� de�ZG dd� de�ZG dd� de ee�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd � d e�Zd S ) r� zF A namespace class for defining common language unicode_sets. � c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Latin1z/Unicode set for Latin-1 Unicode Character Range)r� �~ )� � N�r r r r� r� r r r r �Latin1q s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.LatinAz/Unicode set for Latin-A Unicode Character Range)� i Nr� r r r r �LatinAu s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.LatinBz/Unicode set for Latin-B Unicode Character Range)i� iO Nr� r r r r �LatinBy s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Greekz.Unicode set for Greek Unicode Character Ranges))ip i� )i i )i i )i iE )iH iM )iP iW )iY )i[ )i] )i_ i} )i� i� )i� i� )i� i� )i� i� )i� i� )i� i� )i� i� Nr� r r r r �Greek} s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.Cyrillicz0Unicode set for Cyrillic Unicode Character Range)i i� Nr� r r r r �Cyrillic� s r� c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Chinesez/Unicode set for Chinese Unicode Character Range)� N i�� �i 0 i?0 Nr� r r r r �Chinese� s r� c @ sD e Zd ZdZg ZG dd� de�ZG dd� de�ZG dd� de�ZdS ) zpyparsing_unicode.Japanesez`Unicode set for Japanese Unicode Character Range, combining Kanji, Hiragana, and Katakana rangesc @ s e Zd ZdZddgZdS )z pyparsing_unicode.Japanese.Kanjiz-Unicode set for Kanji Unicode Character Range)r� i�� r� Nr� r r r r �Kanji� s r� c @ s e Zd ZdZdgZdS )z#pyparsing_unicode.Japanese.Hiraganaz0Unicode set for Hiragana Unicode Character Range)i@0 i�0 Nr� r r r r �Hiragana� s r� c @ s e Zd ZdZdgZdS )z#pyparsing_unicode.Japanese.Katakanaz1Unicode set for Katakana Unicode Character Range)i�0 i�0 Nr� r r r r �Katakana� s r� N) r r r r� r� r� r� r� r� r r r r �Japanese� s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Koreanz.Unicode set for Korean Unicode Character Range))i � i�� )i i� )i01 i�1 )i`� i� )i�� i�� r� Nr� r r r r �Korean� s r� c @ s e Zd ZdZdS )zpyparsing_unicode.CJKzTUnicode set for combined Chinese, Japanese, and Korean (CJK) Unicode Character RangeNr� r r r r �CJK� s r� c @ s e Zd ZdZddgZdS )zpyparsing_unicode.Thaiz,Unicode set for Thai Unicode Character Range)i i: )i? i[ Nr� r r r r �Thai� s r� c @ s e Zd ZdZg d�ZdS )zpyparsing_unicode.Arabicz.Unicode set for Arabic Unicode Character Range))i i )i i� )i i Nr� r r r r �Arabic� s r� c @ s e Zd ZdZdgZdS )zpyparsing_unicode.Hebrewz.Unicode set for Hebrew Unicode Character Range)i� i� Nr� r r r r �Hebrew� s r� c @ s e Zd ZdZddgZdS )z pyparsing_unicode.Devanagariz2Unicode set for Devanagari Unicode Character Range)i i )i� i�� Nr� r r r r � Devanagari� s r� N)r r r r� r� � maxunicoder� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r� k s r� u العربيةu 中文u кириллицаu Ελληνικάu עִברִיתu 日本語u 漢字u カタカナu ひらがなu 한국어u ไทยu देवनागरीc @ s, e Zd ZdZG dd� d�ZG dd� d�ZdS )�pyparsing_testzB namespace class for classes useful in writing unit tests c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) z&pyparsing_test.reset_pyparsing_contextax Context manager to be used when writing unit tests that modify pyparsing config values: - packrat parsing - default whitespace characters. - default keyword characters - literal string auto-conversion class - __diag__ settings Example: with reset_pyparsing_context(): # test that literals used to construct a grammar are automatically suppressed ParserElement.inlineLiteralsUsing(Suppress) term = Word(alphas) | Word(nums) group = Group('(' + term[...] + ')') # assert that the '()' characters are not included in the parsed tokens self.assertParseAndCheckLisst(group, "(abc 123 def)", ['abc', '123', 'def']) # after exiting context manager, literals are converted to Literal expressions again c C s i | _ d S r� )� _save_contextr� r r r r� � s z/pyparsing_test.reset_pyparsing_context.__init__c C sf t j| jd< tj| jd< t j| jd< t j| jd< t j| jd< dd� tj D �| jd< d t j i| jd < | S ) N�default_whitespace�default_keyword_chars�literal_string_class�packrat_enabled� packrat_parsec S s i | ]}|t t|��qS r )r� r )r r r r r � <dictcomp>� s z?pyparsing_test.reset_pyparsing_context.save.<locals>.<dictcomp>r r� r# ) rC r� r� r0 r� r� r r� r � _all_namesr# r� r� r r r �save� s �� � � z+pyparsing_test.reset_pyparsing_context.savec C s� t j| jd kr t �| jd � | jd t_t �| jd � | jd �� D ]\}}tt ||� qJ| jd t _ | jd t _ | jd t _ d S )Nr� r� r� r r� r� r# )rC r� r� r� r0 r� r� r* �setattrr r r� r# r� )r� r r- r r r �restore� s ��� � z.pyparsing_test.reset_pyparsing_context.restorec C s | � � S r� )r� r� r r r � __enter__ s z0pyparsing_test.reset_pyparsing_context.__enter__c G s | � � S r� )r� ry r r r �__exit__ s z/pyparsing_test.reset_pyparsing_context.__exit__N) r r r r� r� r� r� r� r� r r r r �reset_pyparsing_context� s r� c @ sJ e Zd ZdZddd�Zddd�Zddd �Zdd d �Zee dfd d ��Z dS )z&pyparsing_test.TestParseResultsAssertszk A mixin class to add parse results assertion methods to normal unittest.TestCase classes. Nc C s< |dur | j ||�� |d� |dur8| j ||�� |d� dS )z� Unit test assertion to compare a ParseResults object with an optional expected_list, and compare any defined results names with an optional expected_dict. N�r� )Z assertEqualr rh )r� rp � expected_list� expected_dictr� r r r �assertParseResultsEquals s z?pyparsing_test.TestParseResultsAsserts.assertParseResultsEqualsTc C s2 |j |dd�}|r t|�� � | j|||d� dS )z� Convenience wrapper assert to test a parser element and input string, and assert that the resulting ParseResults.asList() is equal to the expected_list. Trd )r� r� N�r$ r� r r� )r� r� � test_stringr� r� �verboserp r r r �assertParseAndCheckList! s z>pyparsing_test.TestParseResultsAsserts.assertParseAndCheckListc C s2 |j |dd�}|r t|�� � | j|||d� dS )z� Convenience wrapper assert to test a parser element and input string, and assert that the resulting ParseResults.asDict() is equal to the expected_dict. Trd )r� r� Nr� )r� r� r� r� r� r� rp r r r �assertParseAndCheckDict- s z>pyparsing_test.TestParseResultsAsserts.assertParseAndCheckDictc C s" |\}}|du�rdd� t ||�D �}|D ]�\}}} tdd� | D �d�} tdd� | D �d�} | dur�| j| | pp|d�� t|t�r�|�W d � n1 s�0 Y q*tdd� | D �d�} td d� | D �d�} | | fd kr�| j|| | | p�|d � q*td �|�� q*| j||du�r|nd d� dS )aP Unit test assertion to evaluate output of ParserElement.runTests(). If a list of list-dict tuples is given as the expected_parse_results argument, then these are zipped with the report tuples returned by runTests and evaluated using assertParseResultsEquals. 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Use with caution!N)r �keysr r r r r �clear s zRedisCache.clearc C s dS )z?Redis uses connection pooling, no need to close the connection.Nr )r r r r �close s zRedisCache.close)N) �__name__� __module__� __qualname__r r r r r r r r r r r s r N)Z __future__r r Z pip._vendor.cachecontrol.cacher r r r r r �<module> s _vendor/cachecontrol/caches/__init__.py 0000644 00000000126 15114542002 0014174 0 ustar 00 from .file_cache import FileCache # noqa from .redis_cache import RedisCache # noqa _vendor/cachecontrol/caches/file_cache.py 0000644 00000010071 15114542002 0014477 0 ustar 00 import hashlib import os from textwrap import dedent from ..cache import BaseCache from ..controller import CacheController try: FileNotFoundError except NameError: # py2.X FileNotFoundError = (IOError, OSError) def _secure_open_write(filename, fmode): # We only want to write to this file, so open it in write only mode flags = os.O_WRONLY # os.O_CREAT | os.O_EXCL will fail if the file already exists, so we only # will open *new* files. # We specify this because we want to ensure that the mode we pass is the # mode of the file. flags |= os.O_CREAT | os.O_EXCL # Do not follow symlinks to prevent someone from making a symlink that # we follow and insecurely open a cache file. if hasattr(os, "O_NOFOLLOW"): flags |= os.O_NOFOLLOW # On Windows we'll mark this file as binary if hasattr(os, "O_BINARY"): flags |= os.O_BINARY # Before we open our file, we want to delete any existing file that is # there try: os.remove(filename) except (IOError, OSError): # The file must not exist already, so we can just skip ahead to opening pass # Open our file, the use of os.O_CREAT | os.O_EXCL will ensure that if a # race condition happens between the os.remove and this line, that an # error will be raised. Because we utilize a lockfile this should only # happen if someone is attempting to attack us. fd = os.open(filename, flags, fmode) try: return os.fdopen(fd, "wb") except: # An error occurred wrapping our FD in a file object os.close(fd) raise class FileCache(BaseCache): def __init__( self, directory, forever=False, filemode=0o0600, dirmode=0o0700, use_dir_lock=None, lock_class=None, ): if use_dir_lock is not None and lock_class is not None: raise ValueError("Cannot use use_dir_lock and lock_class together") try: from lockfile import LockFile from lockfile.mkdirlockfile import MkdirLockFile except ImportError: notice = dedent( """ NOTE: In order to use the FileCache you must have lockfile installed. You can install it via pip: pip install lockfile """ ) raise ImportError(notice) else: if use_dir_lock: lock_class = MkdirLockFile elif lock_class is None: lock_class = LockFile self.directory = directory self.forever = forever self.filemode = filemode self.dirmode = dirmode self.lock_class = lock_class @staticmethod def encode(x): return hashlib.sha224(x.encode()).hexdigest() def _fn(self, name): # NOTE: This method should not change as some may depend on it. # See: https://github.com/ionrock/cachecontrol/issues/63 hashed = self.encode(name) parts = list(hashed[:5]) + [hashed] return os.path.join(self.directory, *parts) def get(self, key): name = self._fn(key) try: with open(name, "rb") as fh: return fh.read() except FileNotFoundError: return None def set(self, key, value): name = self._fn(key) # Make sure the directory exists try: os.makedirs(os.path.dirname(name), self.dirmode) except (IOError, OSError): pass with self.lock_class(name) as lock: # Write our actual file with _secure_open_write(lock.path, self.filemode) as fh: fh.write(value) def delete(self, key): name = self._fn(key) if not self.forever: try: os.remove(name) except FileNotFoundError: pass def url_to_file_path(url, filecache): """Return the file cache path based on the URL. This does not ensure the file exists! """ key = CacheController.cache_url(url) return filecache._fn(key) _vendor/cachecontrol/caches/redis_cache.py 0000644 00000001530 15114542002 0014666 0 ustar 00 from __future__ import division from datetime import datetime from pip._vendor.cachecontrol.cache import BaseCache class RedisCache(BaseCache): def __init__(self, conn): self.conn = conn def get(self, key): return self.conn.get(key) def set(self, key, value, expires=None): if not expires: self.conn.set(key, value) else: expires = expires - datetime.utcnow() self.conn.setex(key, int(expires.total_seconds()), value) def delete(self, key): self.conn.delete(key) def clear(self): """Helper for clearing all the keys in a database. Use with caution!""" for key in self.conn.keys(): self.conn.delete(key) def close(self): """Redis uses connection pooling, no need to close the connection.""" pass _vendor/cachecontrol/__init__.py 0000644 00000000456 15114542002 0012754 0 ustar 00 """CacheControl import Interface. Make it easy to import from cachecontrol without long namespaces. """ __author__ = "Eric Larson" __email__ = "eric@ionrock.org" __version__ = "0.12.6" from .wrapper import CacheControl from .adapter import CacheControlAdapter from .controller import CacheController _vendor/cachecontrol/_cmd.py 0000644 00000002417 15114542002 0012116 0 ustar 00 import logging from pip._vendor import requests from pip._vendor.cachecontrol.adapter import CacheControlAdapter from pip._vendor.cachecontrol.cache import DictCache from pip._vendor.cachecontrol.controller import logger from argparse import ArgumentParser def setup_logging(): logger.setLevel(logging.DEBUG) handler = logging.StreamHandler() logger.addHandler(handler) def get_session(): adapter = CacheControlAdapter( DictCache(), cache_etags=True, serializer=None, heuristic=None ) sess = requests.Session() sess.mount("http://", adapter) sess.mount("https://", adapter) sess.cache_controller = adapter.controller return sess def get_args(): parser = ArgumentParser() parser.add_argument("url", help="The URL to try and cache") return parser.parse_args() def main(args=None): args = get_args() sess = get_session() # Make a request to get a response resp = sess.get(args.url) # Turn on logging setup_logging() # try setting the cache sess.cache_controller.cache_response(resp.request, resp.raw) # Now try to get it if sess.cache_controller.cached_request(resp.request): print("Cached!") else: print("Not cached :(") if __name__ == "__main__": main() _vendor/cachecontrol/adapter.py 0000644 00000011422 15114542002 0012630 0 ustar 00 import types import functools import zlib from pip._vendor.requests.adapters import HTTPAdapter from .controller import CacheController from .cache import DictCache from .filewrapper import CallbackFileWrapper class CacheControlAdapter(HTTPAdapter): invalidating_methods = {"PUT", "DELETE"} def __init__( self, cache=None, cache_etags=True, controller_class=None, serializer=None, heuristic=None, cacheable_methods=None, *args, **kw ): super(CacheControlAdapter, self).__init__(*args, **kw) self.cache = DictCache() if cache is None else cache self.heuristic = heuristic self.cacheable_methods = cacheable_methods or ("GET",) controller_factory = controller_class or CacheController self.controller = controller_factory( self.cache, cache_etags=cache_etags, serializer=serializer ) def send(self, request, cacheable_methods=None, **kw): """ Send a request. Use the request information to see if it exists in the cache and cache the response if we need to and can. """ cacheable = cacheable_methods or self.cacheable_methods if request.method in cacheable: try: cached_response = self.controller.cached_request(request) except zlib.error: cached_response = None if cached_response: return self.build_response(request, cached_response, from_cache=True) # check for etags and add headers if appropriate request.headers.update(self.controller.conditional_headers(request)) resp = super(CacheControlAdapter, self).send(request, **kw) return resp def build_response( self, request, response, from_cache=False, cacheable_methods=None ): """ Build a response by making a request or using the cache. This will end up calling send and returning a potentially cached response """ cacheable = cacheable_methods or self.cacheable_methods if not from_cache and request.method in cacheable: # Check for any heuristics that might update headers # before trying to cache. if self.heuristic: response = self.heuristic.apply(response) # apply any expiration heuristics if response.status == 304: # We must have sent an ETag request. This could mean # that we've been expired already or that we simply # have an etag. In either case, we want to try and # update the cache if that is the case. cached_response = self.controller.update_cached_response( request, response ) if cached_response is not response: from_cache = True # We are done with the server response, read a # possible response body (compliant servers will # not return one, but we cannot be 100% sure) and # release the connection back to the pool. response.read(decode_content=False) response.release_conn() response = cached_response # We always cache the 301 responses elif response.status == 301: self.controller.cache_response(request, response) else: # Wrap the response file with a wrapper that will cache the # response when the stream has been consumed. response._fp = CallbackFileWrapper( response._fp, functools.partial( self.controller.cache_response, request, response ), ) if response.chunked: super_update_chunk_length = response._update_chunk_length def _update_chunk_length(self): super_update_chunk_length() if self.chunk_left == 0: self._fp._close() response._update_chunk_length = types.MethodType( _update_chunk_length, response ) resp = super(CacheControlAdapter, self).build_response(request, response) # See if we should invalidate the cache. if request.method in self.invalidating_methods and resp.ok: cache_url = self.controller.cache_url(request.url) self.cache.delete(cache_url) # Give the request a from_cache attr to let people use it resp.from_cache = from_cache return resp def close(self): self.cache.close() super(CacheControlAdapter, self).close() _vendor/cachecontrol/cache.py 0000644 00000001445 15114542002 0012257 0 ustar 00 """ The cache object API for implementing caches. The default is a thread safe in-memory dictionary. """ from threading import Lock class BaseCache(object): def get(self, key): raise NotImplementedError() def set(self, key, value): raise NotImplementedError() def delete(self, key): raise NotImplementedError() def close(self): pass class DictCache(BaseCache): def __init__(self, init_dict=None): self.lock = Lock() self.data = init_dict or {} def get(self, key): return self.data.get(key, None) def set(self, key, value): with self.lock: self.data.update({key: value}) def delete(self, key): with self.lock: if key in self.data: self.data.pop(key) _vendor/cachecontrol/compat.py 0000644 00000001267 15114542002 0012501 0 ustar 00 try: from urllib.parse import urljoin except ImportError: from urlparse import urljoin try: import cPickle as pickle except ImportError: import pickle # Handle the case where the requests module has been patched to not have # urllib3 bundled as part of its source. try: from pip._vendor.requests.packages.urllib3.response import HTTPResponse except ImportError: from pip._vendor.urllib3.response import HTTPResponse try: from pip._vendor.requests.packages.urllib3.util import is_fp_closed except ImportError: from pip._vendor.urllib3.util import is_fp_closed # Replicate some six behaviour try: text_type = unicode except NameError: text_type = str _vendor/cachecontrol/controller.py 0000644 00000033505 15114542002 0013401 0 ustar 00 """ The httplib2 algorithms ported for use with requests. """ import logging import re import calendar import time from email.utils import parsedate_tz from pip._vendor.requests.structures import CaseInsensitiveDict from .cache import DictCache from .serialize import Serializer logger = logging.getLogger(__name__) URI = re.compile(r"^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?") def parse_uri(uri): """Parses a URI using the regex given in Appendix B of RFC 3986. (scheme, authority, path, query, fragment) = parse_uri(uri) """ groups = URI.match(uri).groups() return (groups[1], groups[3], groups[4], groups[6], groups[8]) class CacheController(object): """An interface to see if request should cached or not. """ def __init__( self, cache=None, cache_etags=True, serializer=None, status_codes=None ): self.cache = DictCache() if cache is None else cache self.cache_etags = cache_etags self.serializer = serializer or Serializer() self.cacheable_status_codes = status_codes or (200, 203, 300, 301) @classmethod def _urlnorm(cls, uri): """Normalize the URL to create a safe key for the cache""" (scheme, authority, path, query, fragment) = parse_uri(uri) if not scheme or not authority: raise Exception("Only absolute URIs are allowed. uri = %s" % uri) scheme = scheme.lower() authority = authority.lower() if not path: path = "/" # Could do syntax based normalization of the URI before # computing the digest. See Section 6.2.2 of Std 66. request_uri = query and "?".join([path, query]) or path defrag_uri = scheme + "://" + authority + request_uri return defrag_uri @classmethod def cache_url(cls, uri): return cls._urlnorm(uri) def parse_cache_control(self, headers): known_directives = { # https://tools.ietf.org/html/rfc7234#section-5.2 "max-age": (int, True), "max-stale": (int, False), "min-fresh": (int, True), "no-cache": (None, False), "no-store": (None, False), "no-transform": (None, False), "only-if-cached": (None, False), "must-revalidate": (None, False), "public": (None, False), "private": (None, False), "proxy-revalidate": (None, False), "s-maxage": (int, True), } cc_headers = headers.get("cache-control", headers.get("Cache-Control", "")) retval = {} for cc_directive in cc_headers.split(","): if not cc_directive.strip(): continue parts = cc_directive.split("=", 1) directive = parts[0].strip() try: typ, required = known_directives[directive] except KeyError: logger.debug("Ignoring unknown cache-control directive: %s", directive) continue if not typ or not required: retval[directive] = None if typ: try: retval[directive] = typ(parts[1].strip()) except IndexError: if required: logger.debug( "Missing value for cache-control " "directive: %s", directive, ) except ValueError: logger.debug( "Invalid value for cache-control directive " "%s, must be %s", directive, typ.__name__, ) return retval def cached_request(self, request): """ Return a cached response if it exists in the cache, otherwise return False. """ cache_url = self.cache_url(request.url) logger.debug('Looking up "%s" in the cache', cache_url) cc = self.parse_cache_control(request.headers) # Bail out if the request insists on fresh data if "no-cache" in cc: logger.debug('Request header has "no-cache", cache bypassed') return False if "max-age" in cc and cc["max-age"] == 0: logger.debug('Request header has "max_age" as 0, cache bypassed') return False # Request allows serving from the cache, let's see if we find something cache_data = self.cache.get(cache_url) if cache_data is None: logger.debug("No cache entry available") return False # Check whether it can be deserialized resp = self.serializer.loads(request, cache_data) if not resp: logger.warning("Cache entry deserialization failed, entry ignored") return False # If we have a cached 301, return it immediately. We don't # need to test our response for other headers b/c it is # intrinsically "cacheable" as it is Permanent. # See: # https://tools.ietf.org/html/rfc7231#section-6.4.2 # # Client can try to refresh the value by repeating the request # with cache busting headers as usual (ie no-cache). if resp.status == 301: msg = ( 'Returning cached "301 Moved Permanently" response ' "(ignoring date and etag information)" ) logger.debug(msg) return resp headers = CaseInsensitiveDict(resp.headers) if not headers or "date" not in headers: if "etag" not in headers: # Without date or etag, the cached response can never be used # and should be deleted. logger.debug("Purging cached response: no date or etag") self.cache.delete(cache_url) logger.debug("Ignoring cached response: no date") return False now = time.time() date = calendar.timegm(parsedate_tz(headers["date"])) current_age = max(0, now - date) logger.debug("Current age based on date: %i", current_age) # TODO: There is an assumption that the result will be a # urllib3 response object. This may not be best since we # could probably avoid instantiating or constructing the # response until we know we need it. resp_cc = self.parse_cache_control(headers) # determine freshness freshness_lifetime = 0 # Check the max-age pragma in the cache control header if "max-age" in resp_cc: freshness_lifetime = resp_cc["max-age"] logger.debug("Freshness lifetime from max-age: %i", freshness_lifetime) # If there isn't a max-age, check for an expires header elif "expires" in headers: expires = parsedate_tz(headers["expires"]) if expires is not None: expire_time = calendar.timegm(expires) - date freshness_lifetime = max(0, expire_time) logger.debug("Freshness lifetime from expires: %i", freshness_lifetime) # Determine if we are setting freshness limit in the # request. Note, this overrides what was in the response. if "max-age" in cc: freshness_lifetime = cc["max-age"] logger.debug( "Freshness lifetime from request max-age: %i", freshness_lifetime ) if "min-fresh" in cc: min_fresh = cc["min-fresh"] # adjust our current age by our min fresh current_age += min_fresh logger.debug("Adjusted current age from min-fresh: %i", current_age) # Return entry if it is fresh enough if freshness_lifetime > current_age: logger.debug('The response is "fresh", returning cached response') logger.debug("%i > %i", freshness_lifetime, current_age) return resp # we're not fresh. If we don't have an Etag, clear it out if "etag" not in headers: logger.debug('The cached response is "stale" with no etag, purging') self.cache.delete(cache_url) # return the original handler return False def conditional_headers(self, request): cache_url = self.cache_url(request.url) resp = self.serializer.loads(request, self.cache.get(cache_url)) new_headers = {} if resp: headers = CaseInsensitiveDict(resp.headers) if "etag" in headers: new_headers["If-None-Match"] = headers["ETag"] if "last-modified" in headers: new_headers["If-Modified-Since"] = headers["Last-Modified"] return new_headers def cache_response(self, request, response, body=None, status_codes=None): """ Algorithm for caching requests. This assumes a requests Response object. """ # From httplib2: Don't cache 206's since we aren't going to # handle byte range requests cacheable_status_codes = status_codes or self.cacheable_status_codes if response.status not in cacheable_status_codes: logger.debug( "Status code %s not in %s", response.status, cacheable_status_codes ) return response_headers = CaseInsensitiveDict(response.headers) # If we've been given a body, our response has a Content-Length, that # Content-Length is valid then we can check to see if the body we've # been given matches the expected size, and if it doesn't we'll just # skip trying to cache it. if ( body is not None and "content-length" in response_headers and response_headers["content-length"].isdigit() and int(response_headers["content-length"]) != len(body) ): return cc_req = self.parse_cache_control(request.headers) cc = self.parse_cache_control(response_headers) cache_url = self.cache_url(request.url) logger.debug('Updating cache with response from "%s"', cache_url) # Delete it from the cache if we happen to have it stored there no_store = False if "no-store" in cc: no_store = True logger.debug('Response header has "no-store"') if "no-store" in cc_req: no_store = True logger.debug('Request header has "no-store"') if no_store and self.cache.get(cache_url): logger.debug('Purging existing cache entry to honor "no-store"') self.cache.delete(cache_url) if no_store: return # https://tools.ietf.org/html/rfc7234#section-4.1: # A Vary header field-value of "*" always fails to match. # Storing such a response leads to a deserialization warning # during cache lookup and is not allowed to ever be served, # so storing it can be avoided. if "*" in response_headers.get("vary", ""): logger.debug('Response header has "Vary: *"') return # If we've been given an etag, then keep the response if self.cache_etags and "etag" in response_headers: logger.debug("Caching due to etag") self.cache.set( cache_url, self.serializer.dumps(request, response, body=body) ) # Add to the cache any 301s. We do this before looking that # the Date headers. elif response.status == 301: logger.debug("Caching permanant redirect") self.cache.set(cache_url, self.serializer.dumps(request, response)) # Add to the cache if the response headers demand it. If there # is no date header then we can't do anything about expiring # the cache. elif "date" in response_headers: # cache when there is a max-age > 0 if "max-age" in cc and cc["max-age"] > 0: logger.debug("Caching b/c date exists and max-age > 0") self.cache.set( cache_url, self.serializer.dumps(request, response, body=body) ) # If the request can expire, it means we should cache it # in the meantime. elif "expires" in response_headers: if response_headers["expires"]: logger.debug("Caching b/c of expires header") self.cache.set( cache_url, self.serializer.dumps(request, response, body=body) ) def update_cached_response(self, request, response): """On a 304 we will get a new set of headers that we want to update our cached value with, assuming we have one. This should only ever be called when we've sent an ETag and gotten a 304 as the response. """ cache_url = self.cache_url(request.url) cached_response = self.serializer.loads(request, self.cache.get(cache_url)) if not cached_response: # we didn't have a cached response return response # Lets update our headers with the headers from the new request: # http://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-26#section-4.1 # # The server isn't supposed to send headers that would make # the cached body invalid. But... just in case, we'll be sure # to strip out ones we know that might be problmatic due to # typical assumptions. excluded_headers = ["content-length"] cached_response.headers.update( dict( (k, v) for k, v in response.headers.items() if k.lower() not in excluded_headers ) ) # we want a 200 b/c we have content via the cache cached_response.status = 200 # update our cache self.cache.set(cache_url, self.serializer.dumps(request, cached_response)) return cached_response _vendor/cachecontrol/filewrapper.py 0000644 00000004745 15114542002 0013542 0 ustar 00 from io import BytesIO class CallbackFileWrapper(object): """ Small wrapper around a fp object which will tee everything read into a buffer, and when that file is closed it will execute a callback with the contents of that buffer. All attributes are proxied to the underlying file object. This class uses members with a double underscore (__) leading prefix so as not to accidentally shadow an attribute. """ def __init__(self, fp, callback): self.__buf = BytesIO() self.__fp = fp self.__callback = callback def __getattr__(self, name): # The vaguaries of garbage collection means that self.__fp is # not always set. By using __getattribute__ and the private # name[0] allows looking up the attribute value and raising an # AttributeError when it doesn't exist. This stop thigns from # infinitely recursing calls to getattr in the case where # self.__fp hasn't been set. # # [0] https://docs.python.org/2/reference/expressions.html#atom-identifiers fp = self.__getattribute__("_CallbackFileWrapper__fp") return getattr(fp, name) def __is_fp_closed(self): try: return self.__fp.fp is None except AttributeError: pass try: return self.__fp.closed except AttributeError: pass # We just don't cache it then. # TODO: Add some logging here... return False def _close(self): if self.__callback: self.__callback(self.__buf.getvalue()) # We assign this to None here, because otherwise we can get into # really tricky problems where the CPython interpreter dead locks # because the callback is holding a reference to something which # has a __del__ method. Setting this to None breaks the cycle # and allows the garbage collector to do it's thing normally. self.__callback = None def read(self, amt=None): data = self.__fp.read(amt) self.__buf.write(data) if self.__is_fp_closed(): self._close() return data def _safe_read(self, amt): data = self.__fp._safe_read(amt) if amt == 2 and data == b"\r\n": # urllib executes this read to toss the CRLF at the end # of the chunk. return data self.__buf.write(data) if self.__is_fp_closed(): self._close() return data _vendor/cachecontrol/heuristics.py 0000644 00000007746 15114542002 0013410 0 ustar 00 import calendar import time from email.utils import formatdate, parsedate, parsedate_tz from datetime import datetime, timedelta TIME_FMT = "%a, %d %b %Y %H:%M:%S GMT" def expire_after(delta, date=None): date = date or datetime.utcnow() return date + delta def datetime_to_header(dt): return formatdate(calendar.timegm(dt.timetuple())) class BaseHeuristic(object): def warning(self, response): """ Return a valid 1xx warning header value describing the cache adjustments. The response is provided too allow warnings like 113 http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need to explicitly say response is over 24 hours old. """ return '110 - "Response is Stale"' def update_headers(self, response): """Update the response headers with any new headers. NOTE: This SHOULD always include some Warning header to signify that the response was cached by the client, not by way of the provided headers. """ return {} def apply(self, response): updated_headers = self.update_headers(response) if updated_headers: response.headers.update(updated_headers) warning_header_value = self.warning(response) if warning_header_value is not None: response.headers.update({"Warning": warning_header_value}) return response class OneDayCache(BaseHeuristic): """ Cache the response by providing an expires 1 day in the future. """ def update_headers(self, response): headers = {} if "expires" not in response.headers: date = parsedate(response.headers["date"]) expires = expire_after(timedelta(days=1), date=datetime(*date[:6])) headers["expires"] = datetime_to_header(expires) headers["cache-control"] = "public" return headers class ExpiresAfter(BaseHeuristic): """ Cache **all** requests for a defined time period. """ def __init__(self, **kw): self.delta = timedelta(**kw) def update_headers(self, response): expires = expire_after(self.delta) return {"expires": datetime_to_header(expires), "cache-control": "public"} def warning(self, response): tmpl = "110 - Automatically cached for %s. Response might be stale" return tmpl % self.delta class LastModified(BaseHeuristic): """ If there is no Expires header already, fall back on Last-Modified using the heuristic from http://tools.ietf.org/html/rfc7234#section-4.2.2 to calculate a reasonable value. Firefox also does something like this per https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397 Unlike mozilla we limit this to 24-hr. """ cacheable_by_default_statuses = { 200, 203, 204, 206, 300, 301, 404, 405, 410, 414, 501 } def update_headers(self, resp): headers = resp.headers if "expires" in headers: return {} if "cache-control" in headers and headers["cache-control"] != "public": return {} if resp.status not in self.cacheable_by_default_statuses: return {} if "date" not in headers or "last-modified" not in headers: return {} date = calendar.timegm(parsedate_tz(headers["date"])) last_modified = parsedate(headers["last-modified"]) if date is None or last_modified is None: return {} now = time.time() current_age = max(0, now - date) delta = date - calendar.timegm(last_modified) freshness_lifetime = max(0, min(delta / 10, 24 * 3600)) if freshness_lifetime <= current_age: return {} expires = date + freshness_lifetime return {"expires": time.strftime(TIME_FMT, time.gmtime(expires))} def warning(self, resp): return None _vendor/cachecontrol/serialize.py 0000644 00000015663 15114542002 0013212 0 ustar 00 import base64 import io import json import zlib from pip._vendor import msgpack from pip._vendor.requests.structures import CaseInsensitiveDict from .compat import HTTPResponse, pickle, text_type def _b64_decode_bytes(b): return base64.b64decode(b.encode("ascii")) def _b64_decode_str(s): return _b64_decode_bytes(s).decode("utf8") class Serializer(object): def dumps(self, request, response, body=None): response_headers = CaseInsensitiveDict(response.headers) if body is None: body = response.read(decode_content=False) # NOTE: 99% sure this is dead code. I'm only leaving it # here b/c I don't have a test yet to prove # it. Basically, before using # `cachecontrol.filewrapper.CallbackFileWrapper`, # this made an effort to reset the file handle. The # `CallbackFileWrapper` short circuits this code by # setting the body as the content is consumed, the # result being a `body` argument is *always* passed # into cache_response, and in turn, # `Serializer.dump`. response._fp = io.BytesIO(body) # NOTE: This is all a bit weird, but it's really important that on # Python 2.x these objects are unicode and not str, even when # they contain only ascii. The problem here is that msgpack # understands the difference between unicode and bytes and we # have it set to differentiate between them, however Python 2 # doesn't know the difference. Forcing these to unicode will be # enough to have msgpack know the difference. data = { u"response": { u"body": body, u"headers": dict( (text_type(k), text_type(v)) for k, v in response.headers.items() ), u"status": response.status, u"version": response.version, u"reason": text_type(response.reason), u"strict": response.strict, u"decode_content": response.decode_content, } } # Construct our vary headers data[u"vary"] = {} if u"vary" in response_headers: varied_headers = response_headers[u"vary"].split(",") for header in varied_headers: header = text_type(header).strip() header_value = request.headers.get(header, None) if header_value is not None: header_value = text_type(header_value) data[u"vary"][header] = header_value return b",".join([b"cc=4", msgpack.dumps(data, use_bin_type=True)]) def loads(self, request, data): # Short circuit if we've been given an empty set of data if not data: return # Determine what version of the serializer the data was serialized # with try: ver, data = data.split(b",", 1) except ValueError: ver = b"cc=0" # Make sure that our "ver" is actually a version and isn't a false # positive from a , being in the data stream. if ver[:3] != b"cc=": data = ver + data ver = b"cc=0" # Get the version number out of the cc=N ver = ver.split(b"=", 1)[-1].decode("ascii") # Dispatch to the actual load method for the given version try: return getattr(self, "_loads_v{}".format(ver))(request, data) except AttributeError: # This is a version we don't have a loads function for, so we'll # just treat it as a miss and return None return def prepare_response(self, request, cached): """Verify our vary headers match and construct a real urllib3 HTTPResponse object. """ # Special case the '*' Vary value as it means we cannot actually # determine if the cached response is suitable for this request. # This case is also handled in the controller code when creating # a cache entry, but is left here for backwards compatibility. if "*" in cached.get("vary", {}): return # Ensure that the Vary headers for the cached response match our # request for header, value in cached.get("vary", {}).items(): if request.headers.get(header, None) != value: return body_raw = cached["response"].pop("body") headers = CaseInsensitiveDict(data=cached["response"]["headers"]) if headers.get("transfer-encoding", "") == "chunked": headers.pop("transfer-encoding") cached["response"]["headers"] = headers try: body = io.BytesIO(body_raw) except TypeError: # This can happen if cachecontrol serialized to v1 format (pickle) # using Python 2. A Python 2 str(byte string) will be unpickled as # a Python 3 str (unicode string), which will cause the above to # fail with: # # TypeError: 'str' does not support the buffer interface body = io.BytesIO(body_raw.encode("utf8")) return HTTPResponse(body=body, preload_content=False, **cached["response"]) def _loads_v0(self, request, data): # The original legacy cache data. This doesn't contain enough # information to construct everything we need, so we'll treat this as # a miss. return def _loads_v1(self, request, data): try: cached = pickle.loads(data) except ValueError: return return self.prepare_response(request, cached) def _loads_v2(self, request, data): try: cached = json.loads(zlib.decompress(data).decode("utf8")) except (ValueError, zlib.error): return # We need to decode the items that we've base64 encoded cached["response"]["body"] = _b64_decode_bytes(cached["response"]["body"]) cached["response"]["headers"] = dict( (_b64_decode_str(k), _b64_decode_str(v)) for k, v in cached["response"]["headers"].items() ) cached["response"]["reason"] = _b64_decode_str(cached["response"]["reason"]) cached["vary"] = dict( (_b64_decode_str(k), _b64_decode_str(v) if v is not None else v) for k, v in cached["vary"].items() ) return self.prepare_response(request, cached) def _loads_v3(self, request, data): # Due to Python 2 encoding issues, it's impossible to know for sure # exactly how to load v3 entries, thus we'll treat these as a miss so # that they get rewritten out as v4 entries. return def _loads_v4(self, request, data): try: cached = msgpack.loads(data, raw=False) except ValueError: return return self.prepare_response(request, cached) _vendor/cachecontrol/wrapper.py 0000644 00000001262 15114542002 0012671 0 ustar 00 from .adapter import CacheControlAdapter from .cache import DictCache def CacheControl( sess, cache=None, cache_etags=True, serializer=None, heuristic=None, controller_class=None, adapter_class=None, cacheable_methods=None, ): cache = DictCache() if cache is None else cache adapter_class = adapter_class or CacheControlAdapter adapter = adapter_class( cache, cache_etags=cache_etags, serializer=serializer, heuristic=heuristic, controller_class=controller_class, cacheable_methods=cacheable_methods, ) sess.mount("http://", adapter) sess.mount("https://", adapter) return sess _vendor/certifi/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000357 15114542002 0017163 0 ustar 00 a [��f> � @ s d dl mZmZ dZdS )� )�contents�wherez 2021.05.30N)Zcorer r � __version__� r r �@/usr/lib/python3.9/site-packages/pip/_vendor/certifi/__init__.py�<module> s _vendor/certifi/__pycache__/__init__.cpython-39.pyc 0000644 00000000357 15114542002 0016224 0 ustar 00 a [��f> � @ s d dl mZmZ dZdS )� )�contents�wherez 2021.05.30N)Zcorer r � __version__� r r �@/usr/lib/python3.9/site-packages/pip/_vendor/certifi/__init__.py�<module> s _vendor/certifi/__pycache__/__main__.cpython-39.opt-1.pyc 0000644 00000000640 15114542002 0017137 0 ustar 00 a [��f� � @ sX d dl Z d dlmZmZ e �� Zejdddd� e�� ZejrJe e� � n e e� � dS )� N)�contents�wherez-cz --contents� store_true)�action) �argparseZpip._vendor.certifir r �ArgumentParser�parser� add_argument� parse_args�args�print� r r �@/usr/lib/python3.9/site-packages/pip/_vendor/certifi/__main__.py�<module> s _vendor/certifi/__pycache__/__main__.cpython-39.pyc 0000644 00000000640 15114542002 0016200 0 ustar 00 a [��f� � @ sX d dl Z d dlmZmZ e �� Zejdddd� e�� ZejrJe e� � n e e� � dS )� N)�contents�wherez-cz --contents� store_true)�action) �argparseZpip._vendor.certifir r �ArgumentParser�parser� add_argument� parse_args�args�print� r r �@/usr/lib/python3.9/site-packages/pip/_vendor/certifi/__main__.py�<module> s _vendor/certifi/__pycache__/core.cpython-39.opt-1.pyc 0000644 00000002716 15114542002 0016355 0 ustar 00 a [��f � @ s� d Z ddlZG dd� de�ZzFe�ej�d�Zer@dd� Ze� �ddl m Z m Z da dad d� ZW n4 eyt Y n$ ey� dd d �Z d d� ZY n0 dd� ZdS )ze certifi.py ~~~~~~~~~~ This module returns the installation location of cacert.pem or its contents. � Nc @ s e Zd ZdS )�_PipPatchedCertificateN)�__name__� __module__� __qualname__� r r �</usr/lib/python3.9/site-packages/pip/_vendor/certifi/core.pyr s r �_PIP_STANDALONE_CERTc C s t S )N)r r r r r �where s r )�path� read_textc C s" t d u r tdd�att�� �a t S )Nzpip._vendor.certifi� cacert.pem)� _CACERT_PATH�get_path� _CACERT_CTX�str� __enter__r r r r r s �asciic C s< t t� d|d��}|�� W d � S 1 s.0 Y d S )N�r��encoding)�openr �read)�_module�_pathr �datar r r r @ s r c C s dS )Nz /etc/pki/tls/certs/ca-bundle.crtr r r r r r F s c C s t dddd�S )NZcertifir r r )r r r r r �contentsJ s r )r )�__doc__�os� Exceptionr � ImportError�environ�getr r Zimportlib.resourcesr r r r r r r r r r �<module> s$ _vendor/certifi/__pycache__/core.cpython-39.pyc 0000644 00000002716 15114542002 0015416 0 ustar 00 a [��f � @ s� d Z ddlZG dd� de�ZzFe�ej�d�Zer@dd� Ze� �ddl m Z m Z da dad d� ZW n4 eyt Y n$ ey� dd d �Z d d� ZY n0 dd� ZdS )ze certifi.py ~~~~~~~~~~ This module returns the installation location of cacert.pem or its contents. � Nc @ s e Zd ZdS )�_PipPatchedCertificateN)�__name__� __module__� __qualname__� r r �</usr/lib/python3.9/site-packages/pip/_vendor/certifi/core.pyr s r �_PIP_STANDALONE_CERTc C s t S )N)r r r r r �where s r )�path� read_textc C s" t d u r tdd�att�� �a t S )Nzpip._vendor.certifi� cacert.pem)� _CACERT_PATH�get_path� _CACERT_CTX�str� __enter__r r r r r s �asciic C s< t t� d|d��}|�� W d � S 1 s.0 Y d S )N�r��encoding)�openr �read)�_module�_pathr �datar r r r @ s r c C s dS )Nz /etc/pki/tls/certs/ca-bundle.crtr r r r r r F s c C s t dddd�S )NZcertifir r r )r r r r r �contentsJ s r )r )�__doc__�os� Exceptionr � ImportError�environ�getr r Zimportlib.resourcesr r r r r r r r r r �<module> s$ _vendor/certifi/__init__.py 0000644 00000000076 15114542002 0011733 0 ustar 00 from .core import contents, where __version__ = "2021.05.30" _vendor/certifi/__main__.py 0000644 00000000377 15114542002 0011720 0 ustar 00 import argparse from pip._vendor.certifi import contents, where parser = argparse.ArgumentParser() parser.add_argument("-c", "--contents", action="store_true") args = parser.parse_args() if args.contents: print(contents()) else: print(where()) _vendor/certifi/core.py 0000644 00000005436 15114542002 0011131 0 ustar 00 # -*- coding: utf-8 -*- """ certifi.py ~~~~~~~~~~ This module returns the installation location of cacert.pem or its contents. """ import os class _PipPatchedCertificate(Exception): pass try: raise ImportError # force fallback # Return a certificate file on disk for a standalone pip zipapp running in # an isolated build environment to use. Passing --cert to the standalone # pip does not work since requests calls where() unconditionally on import. _PIP_STANDALONE_CERT = os.environ.get("_PIP_STANDALONE_CERT") if _PIP_STANDALONE_CERT: def where(): return _PIP_STANDALONE_CERT raise _PipPatchedCertificate() from importlib.resources import path as get_path, read_text _CACERT_CTX = None _CACERT_PATH = None def where(): # This is slightly terrible, but we want to delay extracting the file # in cases where we're inside of a zipimport situation until someone # actually calls where(), but we don't want to re-extract the file # on every call of where(), so we'll do it once then store it in a # global variable. global _CACERT_CTX global _CACERT_PATH if _CACERT_PATH is None: # This is slightly janky, the importlib.resources API wants you to # manage the cleanup of this file, so it doesn't actually return a # path, it returns a context manager that will give you the path # when you enter it and will do any cleanup when you leave it. In # the common case of not needing a temporary file, it will just # return the file system location and the __exit__() is a no-op. # # We also have to hold onto the actual context manager, because # it will do the cleanup whenever it gets garbage collected, so # we will also store that at the global level as well. _CACERT_CTX = get_path("pip._vendor.certifi", "cacert.pem") _CACERT_PATH = str(_CACERT_CTX.__enter__()) return _CACERT_PATH except _PipPatchedCertificate: pass except ImportError: # This fallback will work for Python versions prior to 3.7 that lack the # importlib.resources module but relies on the existing `where` function # so won't address issues with environments like PyOxidizer that don't set # __file__ on modules. def read_text(_module, _path, encoding="ascii"): with open(where(), "r", encoding=encoding) as data: return data.read() # If we don't have importlib.resources, then we will just do the old logic # of assuming we're on the filesystem and munge the path directly. def where(): return '/etc/pki/tls/certs/ca-bundle.crt' def contents(): return read_text("certifi", "cacert.pem", encoding="ascii") _vendor/chardet/__pycache__/__init__.cpython-39.pyc 0000644 00000003507 15114542002 0016211 0 ustar 00 a [��f� � @ sD d dl mZ d dlmZ d dlmZmZ g d�Zdd� Zdd� Z d S ) � )�UniversalDetector)� InputState)� __version__�VERSION)r �detect� detect_allr r c C sH t | t�s0t | t�s(td�t| ����nt| �} t� }|�| � |�� S )z� Detect the encoding of the given byte string. :param byte_str: The byte sequence to examine. :type byte_str: ``bytes`` or ``bytearray`` �3Expected object of type bytes or bytearray, got: {}) � isinstance� bytearray�bytes� TypeError�format�typer �feed�close)�byte_str�detector� r �@/usr/lib/python3.9/site-packages/pip/_vendor/chardet/__init__.pyr s � r c C s� t | t�s0t | t�s(td�t| ����nt| �} t� }|�| � |�� |j t j kr�g }|j D ]X}|� � |jkr^|j}|j�� }|�d�r�|jr�|j�||�}|�||� � |jd�� q^t|�dkr�t|dd� d�S |jgS )z� Detect all the possible encodings of the given byte string. :param byte_str: The byte sequence to examine. :type byte_str: ``bytes`` or ``bytearray`` r ziso-8859)�encoding� confidence�language� c S s | d S )Nr r )�resultr r r �<lambda>Q � z detect_all.<locals>.<lambda>)�key)r r r r r r r r r Z _input_stater Z HIGH_BYTEZ_charset_probersZget_confidenceZMINIMUM_THRESHOLD� charset_name�lower� startswithZ_has_win_bytesZ ISO_WIN_MAP�get�appendr �len�sortedr )r r �resultsZproberr Zlower_charset_namer r r r - s8 � �� r N) Zuniversaldetectorr Zenumsr �versionr r �__all__r r r r r r �<module> s _vendor/chardet/__pycache__/big5freq.cpython-39.opt-1.pyc 0000644 00000065006 15114542002 0017117 0 ustar 00 a [��fz � @ s d Z dZdZdS )g �?� ( � i i� � i� �� � �R � i� � �� ia i� i �n i� �! i� i �L �, iB � i� i� i� i� i� � i{ i] i� i� i ij i� i� i. iN ii i� � �� �: i� i� i� �? i� i� i= iN �K �� � ik iq i� i� i� i �� i ib � � i� i� � i� io i2 i� ii � i� ic i8 i� i� i i� � i� i� � i{ �| �� i� �" i� i� �@ i\ i� i� i� i� � i� i� i� iF i� i| iQ �H i� i� �P iv �� i� i� i i� iD i^ i� i� iF i} i� �E i� iO � i0 i� �s i� i4 �< �2 i� � i& iM i� i� i~ � i� iG � i i[ i� i� i? i i ia i iK i* i� ig i� �Z i� i: i� � i� iK i� � i� � i i� i� i� i` il i i� i� � i i �q i� i~ i� �� i i� i i� i� i� ic i� �u � i� i* i i� i i� i� �~ im i� i� � ie i� �G i^ i� in � i �U iC i� iC i� i� i� i� i i� i �j io i/ i i� iP i7 i[ i� �� i� i? i� i� i� io �S i( i� i � ip �] i� i6 ij i i@ i i i� i i i8 � �+ i3 i[ � i� i\ i� i� i� i� � i] iA i� �� i� i1 �� i� iH i� i� id i� �� i+ i� i2 i� i� i� i� iO iL i� i if i1 �� i� i� i� i� i� i i3 i9 �� �l i, �� i i i� i i� i� i� i� ie iz iQ iM i& i� �X i� i� i� i� �� i � � i� ik ip i� �M � i� i� �% � i� i� i� i� i� �' i� i� i\ i� i �7 � �J i� i! i� i� i i� �� iN i� iB iP i_ iq � � i� i� i� i� i� i� � i� i i iI i� i8 i� i� i i{ � i� i i� i� � �m i� i� if i� i� ix i� i� i� i� i� i� i i� ig i� �� i i i� i� i� i � i� �& i� i' i� i i� i� i� �. � i� i i� iM i� �� i� i� i$ �# i� iD ih iA i� � i� ir i� i� iU iG i i� i� i i� iQ iS ii i� i� �d i �0 �F i� i� iC i� i� i i� i i� iJ i i� iU � i� � iN i� i� i� i< i� i� i: iA i� i� i i i9 i� i} i i� i� i� iW iP i� i i) iD i i� i� i4 i� i� i) i� i� ir i� is i� i� it i i9 i� i� i� is i* i i� i� i� i� i� i] i� i� i� i� i� iD ij i( i i� i� i� i� iu i5 iY ij i il i� iu i i� i� i� i� i` i i= i� i� i� i� i� i� i� i5 i� i! i� i� iT iE ix i� i� ie � i� i� iO iP i� i| i6 iA i� i/ ik i� i� i il i! i i� iB i� i` i� i i� � iA i� i i i i� i� iv i� i� i� iw i� i� �� iM i� i� i� i� i i� ia i� i� i� i} i� ix i, �} i� i� iB i� i� i� i� i� i� i� i� iF ik im i� i� i� i� i i� i� i� ib i� i) i^ iP i i, i� i� i� i7 i5 i~ iy i| i� iz i� i i� i� iC i{ i i i� i� i� i� i� i� i� i1 �� �b i i� i� i� i� it i� i� i� i_ i� � i� i� i� i i� i� ib i� � i� i5 �D � i� il i� i| i[ i* i� � i� i� i% � iG i^ i� il i� i� i� i� i` i� i� i� ip i� � in �c ig im i i� i' i2 i� � i� i{ i� i� i� i� i� i� iD i� if i i� i| i: �� i� i i� i� i� i� i i� i� i� in i� i� i� i� �; 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i � iP i� ib i� i� i� i� i i� i� i i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i] i i� i i� i� � i� i i� i� i' i� i i. i� �� i i� i� i i� i� iL i� i� i� i� i i� i� i/ i� i i� i� iB i0 i[ i i8 i� i� i� i� i� i� i i/ i3 i� i� i� i i� i i� i i0 i� in i� i� i� i i� i� �� i i� i� i� i� i� i i� i i i� i4 i� i � i i< i� i i i� i� iY i� i� i �� iC i� i� i i� i� i� i� i� i} i1 i i� i� i� i� iK � i� �� i0 iF i� i� i� i� i i# i� i\ i� i� i� �f i �> i� i� i i� i� i� i� i� i� i i� i� i� i� i� ij i� i� i i� i i- ip i9 i@ i6 iy i i� i� i i i1 i� i� i i� i� i i� �V i� i� i� i� i4 i� i� i� iK i1 i� i� iD i� i� i� i� i i� i# i� i� i� i� i2 i i� i i� iZ iH ip i� i� ig i� i� i i� iq �r i i� �� i� i� i� i� i iK iV i� i\ i, i i� i� i� i i� i] i� i� iu � i� i i i� i� i� i� i i� iZ i� i� i� i i i� i ij i� i� i0 ih ih i� i� i� i� i� iE i i� i i� i i� i� i� i� i� i� i� i� i i� i� i� i i i� i2 � i� i� i� i� i iM i� iw i� i� i� iy i? i� i� i� i it im i( i� i� i+ i� i� i� i� i� i� � i ii i� i� i� i� i� i� i i� iL i� i� i) i� i i� i� i if i� i� i� i i i� i� i� iR i" iA i3 i� i� i- i1 i� i$ i� i( i� i] i� i# i� i$ i� i i� i� i i* i� i� i� i� i i� i� i� i= ik i� i! i� i� i� i� i� i� i� i� i� � �_ i� i� i� i� i^ i2 i i� i� i� i� i9 i� i� i� i� i� i� i4 i� i� i� i � ib i i� i� i i� i� i i� �5 i� i� i� i� i" i i� i i� i� i� � i4 iI i i� i# i� i� � i� i i i� i ij i� i� i i$ ik i� i i� i� i\ i� ig i� iE i5 i� i� i� i� i� i� i� i� i� i� i� i6 i� i� i i i� i% i i� i� i� i� i[ i� i� i� i� i� i i� i& �e i� i� i� i� i� io i� i� il i i} i� i� i� iz i� i+ i� i� i� i i� i� in i- i� i� i' i ii i i� i� i� i( i� i� i� i� i� i i� i� i� i i� i� i� i� i� iB ii iq i� i� i� i< i� i* ij i) i" i* i� i> i) i7 i� i+ i� i� i� i i� i� i� �z i� i, i� i� i� i iM i) ir i� i� i- i i� i� i� i� i� i� �T i� �p i� i� i# i# i� i� i i� i� i� i� i� i� i i� i i� i� i� i� iS i� i. i8 i� i� i� i� iz i9 i= i� i� i� im i� iS i i i� i� i� ix i� i� i/ i� i� iq i� i i3 i� i5 i� i: i� i� i� i� i� i� i� i� i� i i; 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i< i iE i+ i' i� i� iH i= iV i* iH iy i, i+ iW i3 i> i� i� i? i( iI i, i- i` iq i� ia i i� i i i� i) i* iX i� i+ i� iO �� iY i, i- i� i. i� i/ i� i� i0 i. i� i� i� i1 i� iJ ir i2 i3 i$ i i4 i� i5 i6 i7 i� i� ib i� i� i� i} i� if i� iK i� i� i� i� i� i8 iZ i9 i� i: i� i� ic i� i: i� i i; is iJ i@ i� i� it i; i� i/ i< id i i� i� i� iU i� i0 i� ie i= i� if iu iM i� i� i� i� i� i> i i[ i iA iL i� ii i? i� i i� i i@ iA iv iB iC i\ i� ij i� i[ i� ig iD iE i� i� iF i iB i� iG i� i� iH i� i( i� iM iC ih i� iI iN iJ i iK iL i� i� iM i� i1 i2 iN � i� id iO id iV iD i` i� i# i5 iP i] iQ iE in i i� i� i� i^ iR i_ iF iS ip ii i� iT iU i� i i� iV i� i� i� i� iG i� i� i� ie iH iO i� i� iP i` iW iw ij iX i i i3 i� ia i� iI iY iJ ix i7 i i i� i- i� i4 ik i ib iZ i- i� i i. ic i� i[ i� ir i; i� iK i5 iL iX i� i i i� i� i\ i] i� i� i6 i% i^ i_ i� i� i~ i` il iy ia iz i~ i� i� ib i? i� ic i7 id i i� i� ie i� iz i� i� iM if ig i/ ih i| i� i@ id i� i ii iN i� i� i� i8 if i� i� ij ik i� iO iP i� i� il im i@ in i9 i� io i� i� i� i� i< is i i\ iQ i. iR iN i@ i� i� ip i iS i{ iq i� iA i� i� i� i i� iT i i� i� i� i: i� i� ir i� is i@ iW i; it iu i� iv iw ix iy i| i� i� i� i� iz i� i� i3 iQ i� i� im i� iA i{ i| i� i� i� i} iO iR i� i� ig i i i~ iZ i� i i� i� i� i� i� i\ im i� i} i� i< iX i� i� i� i� i� i� i� i� i i� iY i� i� i� i0 i� i� i� i� i= i� i� i� i� iL i� i� i� i� ih i� i� i� ii i> i> i� i/ i? iU i� i� i� i� i� ie i) ix �t i� if iS i� i� iy i� in i i i� iT i i@ i� i� i� i� i� �� i� i� i� i� i� i� i� iz iU ig i� iV i� io i� i� i6 ip it i� i� i� i� i� �� i� iA i� iJ iV ih iZ i� i� iW i� i� i� i� N)Z BIG5_TYPICAL_DISTRIBUTION_RATIOZBIG5_TABLE_SIZEZBIG5_CHAR_TO_FREQ_ORDER� r r �@/usr/lib/python3.9/site-packages/pip/_vendor/chardet/big5freq.py�<module>+ s _vendor/chardet/__pycache__/big5freq.cpython-39.pyc 0000644 00000065006 15114542002 0016160 0 ustar 00 a [��fz � @ s d Z dZdZdS )g �?� ( � i i� � i� �� � �R � i� � �� ia i� i �n i� �! i� i �L �, iB � i� i� i� i� i� � i{ i] i� i� i ij i� i� i. iN ii i� � �� �: i� i� i� �? i� i� i= iN �K �� � ik iq i� i� i� i �� i ib � � i� i� � i� io i2 i� ii � i� ic i8 i� i� i i� � i� i� � i{ �| �� i� �" i� i� �@ i\ i� i� i� i� � i� i� i� iF i� i| iQ �H i� i� �P iv �� i� i� i i� iD i^ i� i� iF i} i� �E i� iO � i0 i� �s i� i4 �< �2 i� � i& iM i� i� i~ � i� iG � i i[ i� i� i? i i ia i iK i* i� ig i� �Z i� i: i� � i� iK i� � i� � i i� i� i� i` il i i� i� � i i �q i� i~ i� �� i i� i i� i� i� ic i� �u � i� i* i i� i i� i� �~ im i� i� � ie i� �G i^ i� in � i �U iC i� iC i� i� i� i� i i� i �j io i/ i i� iP i7 i[ i� �� i� i? i� i� i� io �S i( i� i � ip �] i� i6 ij i i@ i i i� i i i8 � �+ i3 i[ � i� i\ i� i� i� i� � i] iA i� �� i� i1 �� i� iH i� i� id i� �� i+ i� i2 i� i� i� i� iO iL i� i if i1 �� i� i� i� i� i� i i3 i9 �� �l i, �� i i i� i i� i� i� i� ie iz iQ iM i& i� �X i� i� i� i� �� i � � i� ik ip i� �M � i� i� �% � i� i� i� i� i� �' i� i� i\ i� i �7 � �J i� i! i� i� i i� �� iN i� iB iP i_ iq � � i� i� i� i� i� i� � i� i i iI i� i8 i� i� i i{ � i� i i� i� � �m i� i� if i� i� ix i� i� i� i� i� i� i i� ig i� �� i i i� i� i� i � i� �& i� i' i� i i� i� i� �. � i� i i� iM i� �� i� i� i$ �# i� iD ih iA i� � i� ir i� i� iU iG i i� i� i i� iQ iS ii i� i� �d i �0 �F i� i� iC i� i� i i� i i� iJ i i� iU � i� � iN i� i� i� i< i� i� i: iA i� i� i i i9 i� i} i i� i� i� iW iP i� i i) iD i i� i� i4 i� i� i) i� i� ir i� is i� i� it i i9 i� i� i� is i* i i� i� i� i� i� i] i� i� i� i� i� iD ij i( i i� i� i� i� iu i5 iY ij i il i� iu i i� i� i� i� i` i i= i� i� i� i� i� i� i� i5 i� i! i� i� iT iE ix i� i� ie � i� i� iO iP i� i| i6 iA i� i/ ik i� i� i il i! i i� iB i� i` i� i i� � iA i� i i i i� i� iv i� i� i� iw i� i� �� iM i� i� i� i� i i� ia i� i� i� i} i� ix i, �} i� i� iB i� i� i� i� i� i� i� i� iF ik im i� i� i� i� i i� i� i� ib i� i) i^ iP i i, i� i� i� i7 i5 i~ iy i| i� iz i� i i� i� iC i{ i i i� i� i� i� i� i� i� i1 �� �b i i� i� i� i� it i� i� i� i_ i� � i� i� i� i i� i� ib i� � i� i5 �D � i� il i� i| i[ i* i� � i� i� i% � iG i^ i� il i� i� i� i� i` i� i� i� ip i� � in �c ig im i i� i' i2 i� � i� i{ i� i� i� i� i� i� iD i� if i i� i| i: �� i� i i� i� i� i� i i� i� i� in i� i� i� i� �; 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r r r4 r rO � s rO N) Z euctwfreqr r r Z euckrfreqr r r Z gb2312freqr r r Zbig5freqr r r Zjisfreqr r r �objectr r2 r= r? rB rG rO r r r r �<module> s I _vendor/chardet/__pycache__/chardistribution.cpython-39.pyc 0000644 00000014047 15114542002 0020030 0 ustar 00 a [��f�$ � @ s� d dl mZmZmZ d dlmZmZmZ d dlm Z m Z m Z d dl m Z mZmZ d dlmZmZmZ G dd� de�ZG dd � d e�ZG d d � d e�ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�ZdS )� )�EUCTW_CHAR_TO_FREQ_ORDER�EUCTW_TABLE_SIZE� EUCTW_TYPICAL_DISTRIBUTION_RATIO)�EUCKR_CHAR_TO_FREQ_ORDER�EUCKR_TABLE_SIZE� EUCKR_TYPICAL_DISTRIBUTION_RATIO)�GB2312_CHAR_TO_FREQ_ORDER�GB2312_TABLE_SIZE�!GB2312_TYPICAL_DISTRIBUTION_RATIO)�BIG5_CHAR_TO_FREQ_ORDER�BIG5_TABLE_SIZE� BIG5_TYPICAL_DISTRIBUTION_RATIO)�JIS_CHAR_TO_FREQ_ORDER�JIS_TABLE_SIZE� JIS_TYPICAL_DISTRIBUTION_RATIOc @ sL e Zd ZdZdZdZdZdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dS )�CharDistributionAnalysisi g�G�z��?g{�G�z�?� c C s0 d | _ d | _d | _d | _d | _d | _| �� d S �N)�_char_to_freq_order� _table_size�typical_distribution_ratio�_done� _total_chars� _freq_chars�reset��self� r �H/usr/lib/python3.9/site-packages/pip/_vendor/chardet/chardistribution.py�__init__. s z!CharDistributionAnalysis.__init__c C s d| _ d| _d| _dS )z reset analyser, clear any stateF� N)r r r r r r r r = s z CharDistributionAnalysis.resetc C sX |dkr| � |�}nd}|dkrT| jd7 _|| jk rTd| j| krT| jd7 _dS )z"feed a character with known length� ���r r i N)� get_orderr r r r )r �charZchar_len�orderr r r �feedF s z CharDistributionAnalysis.feedc C sT | j dks| j| jkr | jS | j | jkrN| j| j | j | j }|| jk rN|S | jS )z(return confidence based on existing datar )r r �MINIMUM_DATA_THRESHOLD�SURE_NOr �SURE_YES)r �rr r r �get_confidenceT s � z'CharDistributionAnalysis.get_confidencec C s | j | jkS r )r �ENOUGH_DATA_THRESHOLDr r r r �got_enough_datad s z(CharDistributionAnalysis.got_enough_datac C s dS )Nr" r )r �byte_strr r r r# i s z"CharDistributionAnalysis.get_orderN) �__name__� __module__� __qualname__r, r) r( r' r r r& r+ r- r# r r r r r ( s r c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCTWDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) �superr2 r r r r r r r r �� __class__r r r r s z"EUCTWDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr �� �^ r � r" r �r r. � first_charr r r r# x s z#EUCTWDistributionAnalysis.get_order�r/ r0 r1 r r# � __classcell__r r r4 r r2 q s r2 c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCKRDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) r3 r= r r r r r r r r r4 r r r � s z"EUCKRDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr � r7 r r8 r" r r9 r r r r# � s z#EUCKRDistributionAnalysis.get_orderr; r r r4 r r= � s r= c s$ e Zd Z� fdd�Zdd� Z� ZS )�GB2312DistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) r3 r? r r r r r r r r r4 r r r � s z#GB2312DistributionAnalysis.__init__c C s> |d |d }}|dkr6|dkr6d|d | d S dS d S )Nr r r> r8 r7 r" r �r r. r: � second_charr r r r# � s z$GB2312DistributionAnalysis.get_orderr; r r r4 r r? � s r? c s$ e Zd Z� fdd�Zdd� Z� ZS )�Big5DistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) r3 rB r r r r r r r r r4 r r r � s z!Big5DistributionAnalysis.__init__c C sX |d |d }}|dkrP|dkr:d|d | d d S d|d | d S ndS d S ) Nr r � r8 � �? �@ r" r r@ r r r r# � s z"Big5DistributionAnalysis.get_orderr; r r r4 r rB � s rB c s$ e Zd Z� fdd�Zdd� Z� ZS )�SJISDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) r3 rG r r r r r r r r r4 r r r � s z!SJISDistributionAnalysis.__init__c C sr |d |d }}|dkr0|dkr0d|d }n&|dkrR|dkrRd|d d }nd S || d }|d krnd }|S ) Nr r � � � �� �� � r" rF � r )r r. r: rA r% r r r r# � s z"SJISDistributionAnalysis.get_orderr; r r r4 r rG � s rG c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCJPDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S r ) r3 rO r r r r r r r r r4 r r r � s z"EUCJPDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr � r7 r8 r r" r )r r. r$ r r r r# � s z#EUCJPDistributionAnalysis.get_orderr; r r r4 r rO � s rO N) Z euctwfreqr r r Z euckrfreqr r r Z gb2312freqr r r Zbig5freqr r r Zjisfreqr r r �objectr r2 r= r? rB rG rO r r r r �<module> s I _vendor/chardet/__pycache__/charsetgroupprober.cpython-39.opt-1.pyc 0000644 00000004260 15114542002 0021326 0 ustar 00 a [��f� � @ s, d dl mZ d dlmZ G dd� de�ZdS )� )� ProbingState)� CharSetProberc sR e Zd Zd� fdd� Z� fdd�Zedd� �Zedd � �Zd d � Zd d � Z � Z S )�CharSetGroupProberNc s( t t| �j|d� d| _g | _d | _d S )N)� lang_filter� )�superr �__init__� _active_num�probers�_best_guess_prober)�selfr �� __class__� �J/usr/lib/python3.9/site-packages/pip/_vendor/chardet/charsetgroupprober.pyr ! s zCharSetGroupProber.__init__c sJ t t| ��� d| _| jD ]$}|r|�� d|_| jd7 _qd | _d S )Nr Tr )r r �resetr r �activer )r �proberr r r r ' s zCharSetGroupProber.resetc C s | j s| �� | j sd S | j jS �N)r �get_confidence� charset_name�r r r r r 1 s z CharSetGroupProber.charset_namec C s | j s| �� | j sd S | j jS r )r r �languager r r r r 9 s zCharSetGroupProber.languagec C s� | j D ]~}|sq|jsq|�|�}|s(q|tjkrJ|| _tj| _| j S |tjkrd|_| j d8 _ | j dkrtj| _| j S q| jS )NFr r ) r r �feedr �FOUND_ITr �_state�state�NOT_MEr )r Zbyte_strr r r r r r A s& zCharSetGroupProber.feedc C s� | j }|tjkrdS |tjkr"dS d}d | _| jD ]R}|s<q2|jsT| j�d|j � q2|� � }| j�d|j |j |� ||k r2|}|| _q2| js�dS |S )Ng�G�z��?g{�G�z�?g z %s not activez%s %s confidence = %s) r r r r r r r �logger�debugr r r )r r Z best_confr Zconfr r r r V s* z!CharSetGroupProber.get_confidence)N) �__name__� __module__� __qualname__r r �propertyr r r r � __classcell__r r r r r s r N)Zenumsr Z charsetproberr r r r r r �<module> s _vendor/chardet/__pycache__/charsetgroupprober.cpython-39.pyc 0000644 00000004260 15114542002 0020367 0 ustar 00 a [��f� � @ s, d dl mZ d dlmZ G dd� de�ZdS )� )� ProbingState)� CharSetProberc sR e Zd Zd� fdd� Z� fdd�Zedd� �Zedd � �Zd d � Zd d � Z � Z S )�CharSetGroupProberNc s( t t| �j|d� d| _g | _d | _d S )N)� lang_filter� )�superr �__init__� _active_num�probers�_best_guess_prober)�selfr �� __class__� �J/usr/lib/python3.9/site-packages/pip/_vendor/chardet/charsetgroupprober.pyr ! s zCharSetGroupProber.__init__c sJ t t| ��� d| _| jD ]$}|r|�� d|_| jd7 _qd | _d S )Nr Tr )r r �resetr r �activer )r �proberr r r r ' s zCharSetGroupProber.resetc C s | j s| �� | j sd S | j jS �N)r �get_confidence� charset_name�r r r r r 1 s z CharSetGroupProber.charset_namec C s | j s| �� | j sd S | j jS r )r r �languager r r r r 9 s zCharSetGroupProber.languagec C s� | j D ]~}|sq|jsq|�|�}|s(q|tjkrJ|| _tj| _| j S |tjkrd|_| j d8 _ | j dkrtj| _| j S q| jS )NFr r ) r r �feedr �FOUND_ITr �_state�state�NOT_MEr )r Zbyte_strr r r r r r A s& zCharSetGroupProber.feedc C s� | j }|tjkrdS |tjkr"dS d}d | _| jD ]R}|s<q2|jsT| j�d|j � q2|� � }| j�d|j |j |� ||k r2|}|| _q2| js�dS |S )Ng�G�z��?g{�G�z�?g z %s not activez%s %s confidence = %s) r r r r r r r �logger�debugr r r )r r Z best_confr Zconfr r r r V s* z!CharSetGroupProber.get_confidence)N) �__name__� __module__� __qualname__r r �propertyr r r r � __classcell__r r r r r s r N)Zenumsr Z charsetproberr r r r r r �<module> s _vendor/chardet/__pycache__/charsetprober.cpython-39.opt-1.pyc 0000644 00000006566 15114542002 0020264 0 ustar 00 a [��f� � @ s0 d dl Z d dlZddlmZ G dd� de�ZdS )� N� )� ProbingStatec @ sn e Zd ZdZddd�Zdd� Zedd� �Zd d � Zed d � �Z d d� Z e dd� �Z e dd� �Z e dd� �ZdS )� CharSetProbergffffff�?Nc C s d | _ || _t�t�| _d S �N)�_state� lang_filter�loggingZ getLogger�__name__�logger)�selfr � r �E/usr/lib/python3.9/site-packages/pip/_vendor/chardet/charsetprober.py�__init__' s zCharSetProber.__init__c C s t j| _d S r )r Z DETECTINGr �r r r r �reset, s zCharSetProber.resetc C s d S r r r r r r � charset_name/ s zCharSetProber.charset_namec C s d S r r )r �bufr r r �feed3 s zCharSetProber.feedc C s | j S r )r r r r r �state6 s zCharSetProber.statec C s dS )Ng r r r r r �get_confidence: s z CharSetProber.get_confidencec C s t �dd| �} | S )Ns ([ -])+� )�re�sub)r r r r �filter_high_byte_only= s z#CharSetProber.filter_high_byte_onlyc C s\ t � }t�d| �}|D ]@}|�|dd� � |dd� }|�� sL|dk rLd}|�|� q|S )u9 We define three types of bytes: alphabet: english alphabets [a-zA-Z] international: international characters [-ÿ] marker: everything else [^a-zA-Z-ÿ] The input buffer can be thought to contain a series of words delimited by markers. This function works to filter all words that contain at least one international character. All contiguous sequences of markers are replaced by a single space ascii character. This filter applies to all scripts which do not use English characters. s% [a-zA-Z]*[�-�]+[a-zA-Z]*[^a-zA-Z�-�]?N���� �r )� bytearrayr �findall�extend�isalpha)r �filtered�wordsZwordZ last_charr r r �filter_international_wordsB s � z(CharSetProber.filter_international_wordsc C s� t � }d}d}tt| ��D ]n}| ||d � }|dkr<d}n |dkrHd}|dk r|�� s||kr�|s�|�| ||� � |�d� |d }q|s�|�| |d � � |S ) a� Returns a copy of ``buf`` that retains only the sequences of English alphabet and high byte characters that are not between <> characters. Also retains English alphabet and high byte characters immediately before occurrences of >. This filter can be applied to all scripts which contain both English characters and extended ASCII characters, but is currently only used by ``Latin1Prober``. Fr r � >� <Tr r N)r �range�lenr r )r r Zin_tag�prevZcurrZbuf_charr r r �filter_with_english_lettersg s" z)CharSetProber.filter_with_english_letters)N)r � __module__� __qualname__ZSHORTCUT_THRESHOLDr r �propertyr r r r � staticmethodr r" r( r r r r r # s $r )r r Zenumsr �objectr r r r r �<module> s _vendor/chardet/__pycache__/charsetprober.cpython-39.pyc 0000644 00000006566 15114542002 0017325 0 ustar 00 a [��f� � @ s0 d dl Z d dlZddlmZ G dd� de�ZdS )� N� )� ProbingStatec @ sn e Zd ZdZddd�Zdd� Zedd� �Zd d � Zed d � �Z d d� Z e dd� �Z e dd� �Z e dd� �ZdS )� CharSetProbergffffff�?Nc C s d | _ || _t�t�| _d S �N)�_state� lang_filter�loggingZ getLogger�__name__�logger)�selfr � r �E/usr/lib/python3.9/site-packages/pip/_vendor/chardet/charsetprober.py�__init__' s zCharSetProber.__init__c C s t j| _d S r )r Z DETECTINGr �r r r r �reset, s zCharSetProber.resetc C s d S r r r r r r � charset_name/ s zCharSetProber.charset_namec C s d S r r )r �bufr r r �feed3 s zCharSetProber.feedc C s | j S r )r r r r r �state6 s zCharSetProber.statec C s dS )Ng r r r r r �get_confidence: s z CharSetProber.get_confidencec C s t �dd| �} | S )Ns ([ -])+� )�re�sub)r r r r �filter_high_byte_only= s z#CharSetProber.filter_high_byte_onlyc C s\ t � }t�d| �}|D ]@}|�|dd� � |dd� }|�� sL|dk rLd}|�|� q|S )u9 We define three types of bytes: alphabet: english alphabets [a-zA-Z] international: international characters [-ÿ] marker: everything else [^a-zA-Z-ÿ] The input buffer can be thought to contain a series of words delimited by markers. This function works to filter all words that contain at least one international character. All contiguous sequences of markers are replaced by a single space ascii character. This filter applies to all scripts which do not use English characters. s% [a-zA-Z]*[�-�]+[a-zA-Z]*[^a-zA-Z�-�]?N���� �r )� bytearrayr �findall�extend�isalpha)r �filtered�wordsZwordZ last_charr r r �filter_international_wordsB s � z(CharSetProber.filter_international_wordsc C s� t � }d}d}tt| ��D ]n}| ||d � }|dkr<d}n |dkrHd}|dk r|�� s||kr�|s�|�| ||� � |�d� |d }q|s�|�| |d � � |S ) a� Returns a copy of ``buf`` that retains only the sequences of English alphabet and high byte characters that are not between <> characters. Also retains English alphabet and high byte characters immediately before occurrences of >. This filter can be applied to all scripts which contain both English characters and extended ASCII characters, but is currently only used by ``Latin1Prober``. Fr r � >� <Tr r N)r �range�lenr r )r r Zin_tag�prevZcurrZbuf_charr r r �filter_with_english_lettersg s" z)CharSetProber.filter_with_english_letters)N)r � __module__� __qualname__ZSHORTCUT_THRESHOLDr r �propertyr r r r � staticmethodr r" r( r r r r r # s $r )r r Zenumsr �objectr r r r r �<module> s _vendor/chardet/__pycache__/codingstatemachine.cpython-39.opt-1.pyc 0000644 00000005471 15114542002 0021244 0 ustar 00 a [��f � @ s( d dl Z ddlmZ G dd� de�ZdS )� N� )� MachineStatec @ sD e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Ze d d � �Z dS )�CodingStateMachinea� A state machine to verify a byte sequence for a particular encoding. For each byte the detector receives, it will feed that byte to every active state machine available, one byte at a time. The state machine changes its state based on its previous state and the byte it receives. There are 3 states in a state machine that are of interest to an auto-detector: START state: This is the state to start with, or a legal byte sequence (i.e. a valid code point) for character has been identified. ME state: This indicates that the state machine identified a byte sequence that is specific to the charset it is designed for and that there is no other possible encoding which can contain this byte sequence. This will to lead to an immediate positive answer for the detector. ERROR state: This indicates the state machine identified an illegal byte sequence for that encoding. This will lead to an immediate negative answer for this encoding. Detector will exclude this encoding from consideration from here on. c C s0 || _ d| _d| _d | _t�t�| _| �� d S )Nr ) �_model�_curr_byte_pos�_curr_char_len� _curr_state�loggingZ getLogger�__name__�logger�reset)�selfZsm� r �J/usr/lib/python3.9/site-packages/pip/_vendor/chardet/codingstatemachine.py�__init__7 s zCodingStateMachine.__init__c C s t j| _d S �N)r �STARTr �r r r r r ? s zCodingStateMachine.resetc C sh | j d | }| jtjkr0d| _| j d | | _| j| j d | }| j d | | _| jd7 _| jS )NZ class_tabler Zchar_len_tableZ class_factorZ state_tabler )r r r r r r )r �cZ byte_classZ curr_stater r r � next_stateB s �z CodingStateMachine.next_statec C s | j S r )r r r r r �get_current_charlenP s z&CodingStateMachine.get_current_charlenc C s | j d S )N�name�r r r r r �get_coding_state_machineS s z+CodingStateMachine.get_coding_state_machinec C s | j d S )N�languager r r r r r V s zCodingStateMachine.languageN) r � __module__� __qualname__�__doc__r r r r r �propertyr r r r r r ! s r )r Zenumsr �objectr r r r r �<module> s _vendor/chardet/__pycache__/codingstatemachine.cpython-39.pyc 0000644 00000005471 15114542002 0020305 0 ustar 00 a [��f � @ s( d dl Z ddlmZ G dd� de�ZdS )� N� )� MachineStatec @ sD e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Ze d d � �Z dS )�CodingStateMachinea� A state machine to verify a byte sequence for a particular encoding. For each byte the detector receives, it will feed that byte to every active state machine available, one byte at a time. The state machine changes its state based on its previous state and the byte it receives. There are 3 states in a state machine that are of interest to an auto-detector: START state: This is the state to start with, or a legal byte sequence (i.e. a valid code point) for character has been identified. ME state: This indicates that the state machine identified a byte sequence that is specific to the charset it is designed for and that there is no other possible encoding which can contain this byte sequence. This will to lead to an immediate positive answer for the detector. ERROR state: This indicates the state machine identified an illegal byte sequence for that encoding. This will lead to an immediate negative answer for this encoding. Detector will exclude this encoding from consideration from here on. c C s0 || _ d| _d| _d | _t�t�| _| �� d S )Nr ) �_model�_curr_byte_pos�_curr_char_len� _curr_state�loggingZ getLogger�__name__�logger�reset)�selfZsm� r �J/usr/lib/python3.9/site-packages/pip/_vendor/chardet/codingstatemachine.py�__init__7 s zCodingStateMachine.__init__c C s t j| _d S �N)r �STARTr �r r r r r ? s zCodingStateMachine.resetc C sh | j d | }| jtjkr0d| _| j d | | _| j| j d | }| j d | | _| jd7 _| jS )NZ class_tabler Zchar_len_tableZ class_factorZ state_tabler )r r r r r r )r �cZ byte_classZ curr_stater r r � next_stateB s �z CodingStateMachine.next_statec C s | j S r )r r r r r �get_current_charlenP s z&CodingStateMachine.get_current_charlenc C s | j d S )N�name�r r r r r �get_coding_state_machineS s z+CodingStateMachine.get_coding_state_machinec C s | j d S )N�languager r r r r r V s zCodingStateMachine.languageN) r � __module__� __qualname__�__doc__r r r r r �propertyr r r r r r ! s r )r Zenumsr �objectr r r r r �<module> s _vendor/chardet/__pycache__/compat.cpython-39.opt-1.pyc 0000644 00000000552 15114542002 0016671 0 ustar 00 a [��f� � @ sL d dl Z e jdk r.dZdZeefZeZej Z ndZdZe efZeZej Z dS )� N)� r TF) �sys� version_infoZPY2ZPY3�strZunicodeZ string_typesZ text_type�dictZ iteritems�bytes�items� r r �>/usr/lib/python3.9/site-packages/pip/_vendor/chardet/compat.py�<module> s _vendor/chardet/__pycache__/compat.cpython-39.pyc 0000644 00000000552 15114542002 0015732 0 ustar 00 a [��f� � @ sL d dl Z e jdk r.dZdZeefZeZej Z ndZdZe efZeZej Z dS )� N)� r TF) �sys� version_infoZPY2ZPY3�strZunicodeZ string_typesZ text_type�dictZ iteritems�bytes�items� r r �>/usr/lib/python3.9/site-packages/pip/_vendor/chardet/compat.py�<module> s _vendor/chardet/__pycache__/cp949prober.cpython-39.opt-1.pyc 0000644 00000002120 15114542002 0017461 0 ustar 00 a [��f? � @ sD d dl mZ d dlmZ d dlmZ d dlmZ G dd� de�ZdS )� )�EUCKRDistributionAnalysis)�CodingStateMachine)�MultiByteCharSetProber)�CP949_SM_MODELc s4 e Zd Z� fdd�Zedd� �Zedd� �Z� ZS )� CP949Proberc s, t t| ��� tt�| _t� | _| �� d S )N) �superr �__init__r r Z coding_smr Zdistribution_analyzer�reset��self�� __class__� �C/usr/lib/python3.9/site-packages/pip/_vendor/chardet/cp949prober.pyr # s zCP949Prober.__init__c C s dS )NZCP949r r r r r � charset_name+ s zCP949Prober.charset_namec C s dS )NZKoreanr r r r r �language/ s zCP949Prober.language)�__name__� __module__� __qualname__r �propertyr r � __classcell__r r r r r " s r N) Zchardistributionr Zcodingstatemachiner Zmbcharsetproberr Zmbcssmr r r r r r �<module> s _vendor/chardet/__pycache__/cp949prober.cpython-39.pyc 0000644 00000002120 15114542002 0016522 0 ustar 00 a [��f? � @ sD d dl mZ d dlmZ d dlmZ d dlmZ G dd� de�ZdS )� )�EUCKRDistributionAnalysis)�CodingStateMachine)�MultiByteCharSetProber)�CP949_SM_MODELc s4 e Zd Z� fdd�Zedd� �Zedd� �Z� ZS )� CP949Proberc s, t t| ��� tt�| _t� | _| �� d S )N) �superr �__init__r r Z coding_smr Zdistribution_analyzer�reset��self�� __class__� �C/usr/lib/python3.9/site-packages/pip/_vendor/chardet/cp949prober.pyr # s zCP949Prober.__init__c C s dS )NZCP949r r r r r � charset_name+ s zCP949Prober.charset_namec C s dS )NZKoreanr r r r r �language/ s zCP949Prober.language)�__name__� __module__� __qualname__r �propertyr r � __classcell__r r r r r " s r N) Zchardistributionr Zcodingstatemachiner Zmbcharsetproberr Zmbcssmr r r r r r �<module> s _vendor/chardet/__pycache__/enums.cpython-39.opt-1.pyc 0000644 00000005063 15114542002 0016537 0 ustar 00 a [��f} � @ sh d Z G dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG d d � d e�ZG d d � d e�Zd S )zr All of the Enums that are used throughout the chardet package. :author: Dan Blanchard (dan.blanchard@gmail.com) c @ s e Zd ZdZdZdZdZdS )� InputStatezS This enum represents the different states a universal detector can be in. � � � N)�__name__� __module__� __qualname__�__doc__Z PURE_ASCIIZ ESC_ASCIIZ HIGH_BYTE� r r �=/usr/lib/python3.9/site-packages/pip/_vendor/chardet/enums.pyr s r c @ s< e Zd ZdZdZdZdZdZdZdZ eeB Z e eB eB Z dS ) �LanguageFilterzj This enum represents the different language filters we can apply to a ``UniversalDetector``. r r � � � � N) r r r r ZCHINESE_SIMPLIFIEDZCHINESE_TRADITIONALZJAPANESEZKOREANZNON_CJKZALLZCHINESEZCJKr r r r r s r c @ s e Zd ZdZdZdZdZdS )� ProbingStatezG This enum represents the different states a prober can be in. r r r N)r r r r Z DETECTINGZFOUND_ITZNOT_MEr r r r r s r c @ s e Zd ZdZdZdZdZdS )� MachineStatezN This enum represents the different states a state machine can be in. r r r N)r r r r ZSTARTZERRORZITS_MEr r r r r ) s r c @ s, e Zd ZdZdZdZdZdZedd� �Z dS ) �SequenceLikelihoodzX This enum represents the likelihood of a character following the previous one. r r r � c C s dS )z::returns: The number of likelihood categories in the enum.r r )�clsr r r �get_num_categories; s z%SequenceLikelihood.get_num_categoriesN) r r r r ZNEGATIVEZUNLIKELYZLIKELYZPOSITIVE� classmethodr r r r r r 2 s r c @ s$ e Zd ZdZdZdZdZdZdZdS )�CharacterCategoryz� This enum represents the different categories language models for ``SingleByteCharsetProber`` put characters into. Anything less than CONTROL is considered a letter. � � � � � N) r r r r Z UNDEFINEDZ LINE_BREAKZSYMBOLZDIGITZCONTROLr r r r r A s r N)r �objectr r r r r r r r r r �<module> s _vendor/chardet/__pycache__/enums.cpython-39.pyc 0000644 00000005063 15114542002 0015600 0 ustar 00 a [��f} � @ sh d Z G dd� de�ZG dd� de�ZG dd� de�ZG dd� de�ZG d d � d e�ZG d d � d e�Zd S )zr All of the Enums that are used throughout the chardet package. :author: Dan Blanchard (dan.blanchard@gmail.com) c @ s e Zd ZdZdZdZdZdS )� InputStatezS This enum represents the different states a universal detector can be in. � � � N)�__name__� __module__� __qualname__�__doc__Z PURE_ASCIIZ ESC_ASCIIZ HIGH_BYTE� r r �=/usr/lib/python3.9/site-packages/pip/_vendor/chardet/enums.pyr s r c @ s< e Zd ZdZdZdZdZdZdZdZ eeB Z e eB eB Z dS ) �LanguageFilterzj This enum represents the different language filters we can apply to a ``UniversalDetector``. r r � � � � N) r r r r ZCHINESE_SIMPLIFIEDZCHINESE_TRADITIONALZJAPANESEZKOREANZNON_CJKZALLZCHINESEZCJKr r r r r s r c @ s e Zd ZdZdZdZdZdS )� ProbingStatezG This enum represents the different states a prober can be in. r r r N)r r r r Z DETECTINGZFOUND_ITZNOT_MEr r r r r s r c @ s e Zd ZdZdZdZdZdS )� MachineStatezN This enum represents the different states a state machine can be in. r r r N)r r r r ZSTARTZERRORZITS_MEr r r r r ) s r c @ s, e Zd ZdZdZdZdZdZedd� �Z dS ) �SequenceLikelihoodzX This enum represents the likelihood of a character following the previous one. r r r � c C s dS )z::returns: The number of likelihood categories in the enum.r r )�clsr r r �get_num_categories; s z%SequenceLikelihood.get_num_categoriesN) r r r r ZNEGATIVEZUNLIKELYZLIKELYZPOSITIVE� classmethodr r r r r r 2 s r c @ s$ e Zd ZdZdZdZdZdZdZdS )�CharacterCategoryz� This enum represents the different categories language models for ``SingleByteCharsetProber`` put characters into. Anything less than CONTROL is considered a letter. � � � � � N) r r r r Z UNDEFINEDZ LINE_BREAKZSYMBOLZDIGITZCONTROLr r r r r A s r N)r �objectr r r r r r r r r r �<module> s _vendor/chardet/__pycache__/escprober.cpython-39.opt-1.pyc 0000644 00000005044 15114542002 0017373 0 ustar 00 a [��fn � @ sX d dl mZ d dlmZ d dlmZmZmZ d dlm Z m Z m Z m Z G dd� de�Z dS )� )� CharSetProber)�CodingStateMachine)�LanguageFilter� ProbingState� MachineState)� HZ_SM_MODEL�ISO2022CN_SM_MODEL�ISO2022JP_SM_MODEL�ISO2022KR_SM_MODELc sV e Zd ZdZd� fdd� Z� fdd�Zedd� �Zed d � �Zd d � Z d d� Z � Z S )�EscCharSetProberz� This CharSetProber uses a "code scheme" approach for detecting encodings, whereby easily recognizable escape or shift sequences are relied on to identify these encodings. Nc s� t t| �j|d� g | _| jtj@ rD| j�tt �� | j�tt �� | jtj @ r`| j�tt �� | jtj @ r|| j�tt�� d | _d | _d | _d | _| �� d S )N)� lang_filter)�superr �__init__� coding_smr r ZCHINESE_SIMPLIFIED�appendr r r ZJAPANESEr ZKOREANr �active_sm_count�_detected_charset�_detected_language�_state�reset)�selfr �� __class__� �A/usr/lib/python3.9/site-packages/pip/_vendor/chardet/escprober.pyr * s zEscCharSetProber.__init__c sJ t t| ��� | jD ]}|s qd|_|�� qt| j�| _d | _d | _d S )NT) r r r r �active�lenr r r )r r r r r r : s zEscCharSetProber.resetc C s | j S �N�r �r r r r � charset_nameE s z EscCharSetProber.charset_namec C s | j S r )r r r r r �languageI s zEscCharSetProber.languagec C s | j r dS dS d S )Ng�G�z��?g r r r r r �get_confidenceM s z EscCharSetProber.get_confidencec C s� |D ]�}| j D ]�}|r|js q|�|�}|tjkrhd|_| jd8 _| jdkr�tj| _| j S q|tj krtj | _|� � | _ |j| _| j S qq| j S )NFr � )r r Z next_stater ZERRORr r ZNOT_MEr �stateZITS_MEZFOUND_ITZget_coding_state_machiner r! r )r Zbyte_str�cr Z coding_stater r r �feedS s" zEscCharSetProber.feed)N) �__name__� __module__� __qualname__�__doc__r r �propertyr r! r" r& � __classcell__r r r r r # s r N)Z charsetproberr Zcodingstatemachiner Zenumsr r r Zescsmr r r r r r r r r �<module> s _vendor/chardet/__pycache__/escprober.cpython-39.pyc 0000644 00000005044 15114542002 0016434 0 ustar 00 a [��fn � @ sX d dl mZ d dlmZ d dlmZmZmZ d dlm Z m Z m Z m Z G dd� de�Z dS )� )� CharSetProber)�CodingStateMachine)�LanguageFilter� ProbingState� MachineState)� HZ_SM_MODEL�ISO2022CN_SM_MODEL�ISO2022JP_SM_MODEL�ISO2022KR_SM_MODELc sV e Zd ZdZd� fdd� Z� fdd�Zedd� �Zed d � �Zd d � Z d d� Z � Z S )�EscCharSetProberz� This CharSetProber uses a "code scheme" approach for detecting encodings, whereby easily recognizable escape or shift sequences are relied on to identify these encodings. Nc s� t t| �j|d� g | _| jtj@ rD| j�tt �� | j�tt �� | jtj @ r`| j�tt �� | jtj @ r|| j�tt�� d | _d | _d | _d | _| �� d S )N)� lang_filter)�superr �__init__� coding_smr r ZCHINESE_SIMPLIFIED�appendr r r ZJAPANESEr ZKOREANr �active_sm_count�_detected_charset�_detected_language�_state�reset)�selfr �� __class__� �A/usr/lib/python3.9/site-packages/pip/_vendor/chardet/escprober.pyr * s zEscCharSetProber.__init__c sJ t t| ��� | jD ]}|s qd|_|�� qt| j�| _d | _d | _d S )NT) r r r r �active�lenr r r )r r r r r r : s zEscCharSetProber.resetc C s | j S �N�r �r r r r � charset_nameE s z EscCharSetProber.charset_namec C s | j S r )r r r r r �languageI s zEscCharSetProber.languagec C s | j r dS dS d S )Ng�G�z��?g r r r r r �get_confidenceM s z EscCharSetProber.get_confidencec C s� |D ]�}| j D ]�}|r|js q|�|�}|tjkrhd|_| jd8 _| jdkr�tj| _| j S q|tj krtj | _|� � | _ |j| _| j S qq| j S )NFr � )r r Z next_stater ZERRORr r ZNOT_MEr �stateZITS_MEZFOUND_ITZget_coding_state_machiner r! r )r Zbyte_str�cr Z coding_stater r r �feedS s" zEscCharSetProber.feed)N) �__name__� __module__� __qualname__�__doc__r r �propertyr r! r" r& � __classcell__r r r r r # s r N)Z charsetproberr Zcodingstatemachiner Zenumsr r r Zescsmr r r r r r r r r �<module> s _vendor/chardet/__pycache__/escsm.cpython-39.opt-1.pyc 0000644 00000015605 15114542002 0016525 0 ustar 00 a [��f) � H @ s� d dl mZ dZejejdejejejejejejejejejejejejejejejejejejejdejdejdejdddejdejdddejdejdejejejejejejejf0ZdZedeedd d �Zd Z ejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejdejejejejejejejejejddejejejejejejejejejejejejejejejejejejejejejejf@Z d Z e d e e dd d �Z dZ ejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejdejejejdejejejejejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejfHZdZe deeddd �ZdZejdejejejejejejejejejejejejejejejejejejejdejejejejejejdejejejejejejejejejejejf(ZdZedeeddd �ZdS )� )� MachineState( r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r � � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r � )r r r r r r z HZ-GB-2312ZChinese)Z class_tableZ class_factorZ state_tableZchar_len_table�name�language( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r � z ISO-2022-CN( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r r � z ISO-2022-JPZJapanese( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r z ISO-2022-KRZKoreanN)Zenumsr ZHZ_CLSZSTARTZERRORZITS_MEZHZ_STZHZ_CHAR_LEN_TABLEZ HZ_SM_MODELZ ISO2022CN_CLSZ ISO2022CN_STZISO2022CN_CHAR_LEN_TABLEZISO2022CN_SM_MODELZ ISO2022JP_CLSZ ISO2022JP_STZISO2022JP_CHAR_LEN_TABLEZISO2022JP_SM_MODELZ ISO2022KR_CLSZ ISO2022KR_STZISO2022KR_CHAR_LEN_TABLEZISO2022KR_SM_MODEL� r r �=/usr/lib/python3.9/site-packages/pip/_vendor/chardet/escsm.py�<module> s� $ � �$ � �$ � �$ �� _vendor/chardet/__pycache__/escsm.cpython-39.pyc 0000644 00000015605 15114542002 0015566 0 ustar 00 a [��f) � H @ s� d dl mZ dZejejdejejejejejejejejejejejejejejejejejejejdejdejdejdddejdejdddejdejdejejejejejejejf0ZdZedeedd d �Zd Z ejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejdejejejejejejejejejddejejejejejejejejejejejejejejejejejejejejejejf@Z d Z e d e e dd d �Z dZ ejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejdejejejdejejejejejdejejejejejejejejejejejejejejejejejejejejejejejejejejejejfHZdZe deeddd �ZdZejdejejejejejejejejejejejejejejejejejejejdejejejejejejdejejejejejejejejejejejf(ZdZedeeddd �ZdS )� )� MachineState( r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r � � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r � )r r r r r r z HZ-GB-2312ZChinese)Z class_tableZ class_factorZ state_tableZchar_len_table�name�language( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r � z ISO-2022-CN( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r r � z ISO-2022-JPZJapanese( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r z ISO-2022-KRZKoreanN)Zenumsr ZHZ_CLSZSTARTZERRORZITS_MEZHZ_STZHZ_CHAR_LEN_TABLEZ HZ_SM_MODELZ ISO2022CN_CLSZ ISO2022CN_STZISO2022CN_CHAR_LEN_TABLEZISO2022CN_SM_MODELZ ISO2022JP_CLSZ ISO2022JP_STZISO2022JP_CHAR_LEN_TABLEZISO2022JP_SM_MODELZ ISO2022KR_CLSZ ISO2022KR_STZISO2022KR_CHAR_LEN_TABLEZISO2022KR_SM_MODEL� r r �=/usr/lib/python3.9/site-packages/pip/_vendor/chardet/escsm.py�<module> s� $ � �$ � �$ � �$ �� _vendor/chardet/__pycache__/eucjpprober.cpython-39.opt-1.pyc 0000644 00000004552 15114542002 0017732 0 ustar 00 a [��f� � @ s` d dl mZmZ d dlmZ d dlmZ d dlmZ d dl m Z d dl m Z G dd� de�Z d S ) � )� ProbingState� MachineState)�MultiByteCharSetProber)�CodingStateMachine)�EUCJPDistributionAnalysis)�EUCJPContextAnalysis)�EUCJP_SM_MODELc sP e Zd Z� fdd�Z� fdd�Zedd� �Zedd� �Zd d � Zd d � Z � Z S ) � EUCJPProberc s4 t t| ��� tt�| _t� | _t� | _ | � � d S �N) �superr �__init__r r � coding_smr �distribution_analyzerr �context_analyzer�reset��self�� __class__� �C/usr/lib/python3.9/site-packages/pip/_vendor/chardet/eucjpprober.pyr % s zEUCJPProber.__init__c s t t| ��� | j�� d S r )r r r r r r r r r , s zEUCJPProber.resetc C s dS )NzEUC-JPr r r r r � charset_name0 s zEUCJPProber.charset_namec C s dS )NZJapaneser r r r r �language4 s zEUCJPProber.languagec C s6 t t|��D ]�}| j�|| �}|tjkrN| j�d| j| j |� t j | _ q�q |tj krft j| _ q�q |tjkr | j�� }|dkr�|d | jd< | j�| j|� | j�| j|� q | j�||d |d � |� | j�||d |d � |� q |d | jd< | jt jk�r0| j�� �r0| �� | jk�r0t j| _ | jS )Nz!%s %s prober hit error at byte %s� r ���)�range�lenr Z next_stater ZERROR�logger�debugr r r ZNOT_ME�_stateZITS_MEZFOUND_ITZSTARTZget_current_charlenZ _last_charr �feedr �stateZ DETECTINGZgot_enough_data�get_confidenceZSHORTCUT_THRESHOLD)r Zbyte_str�iZ coding_stateZchar_lenr r r r 8 s< � �� �zEUCJPProber.feedc C s | j �� }| j�� }t||�S r )r r" r �max)r Z context_confZ distrib_confr r r r" Y s zEUCJPProber.get_confidence) �__name__� __module__� __qualname__r r �propertyr r r r" � __classcell__r r r r r $ s !r N)Zenumsr r Zmbcharsetproberr Zcodingstatemachiner Zchardistributionr Zjpcntxr Zmbcssmr r r r r r �<module> s _vendor/chardet/__pycache__/eucjpprober.cpython-39.pyc 0000644 00000004552 15114542002 0016773 0 ustar 00 a [��f� � @ s` d dl mZmZ d dlmZ d dlmZ d dlmZ d dl m Z d dl m Z G dd� de�Z d S ) � )� ProbingState� MachineState)�MultiByteCharSetProber)�CodingStateMachine)�EUCJPDistributionAnalysis)�EUCJPContextAnalysis)�EUCJP_SM_MODELc sP e Zd Z� fdd�Z� fdd�Zedd� �Zedd� �Zd d � Zd d � Z � Z S ) � EUCJPProberc s4 t t| ��� tt�| _t� | _t� | _ | � � d S �N) �superr �__init__r r � coding_smr �distribution_analyzerr �context_analyzer�reset��self�� __class__� �C/usr/lib/python3.9/site-packages/pip/_vendor/chardet/eucjpprober.pyr % s zEUCJPProber.__init__c s t t| ��� | j�� d S r )r r r r r r r r r , s zEUCJPProber.resetc C s dS )NzEUC-JPr r r r r � charset_name0 s zEUCJPProber.charset_namec C s dS )NZJapaneser r r r r �language4 s zEUCJPProber.languagec C s6 t t|��D ]�}| j�|| �}|tjkrN| j�d| j| j |� t j | _ q�q |tj krft j| _ q�q |tjkr | j�� }|dkr�|d | jd< | j�| j|� | j�| j|� q | j�||d |d � |� | j�||d |d � |� q |d | jd< | jt jk�r0| j�� �r0| �� | jk�r0t j| _ | jS )Nz!%s %s prober hit error at byte %s� r ���)�range�lenr Z next_stater ZERROR�logger�debugr r r ZNOT_ME�_stateZITS_MEZFOUND_ITZSTARTZget_current_charlenZ _last_charr �feedr �stateZ DETECTINGZgot_enough_data�get_confidenceZSHORTCUT_THRESHOLD)r Zbyte_str�iZ coding_stateZchar_lenr r r r 8 s< � �� �zEUCJPProber.feedc C s | j �� }| j�� }t||�S r )r r" r �max)r Z context_confZ distrib_confr r r r" Y s zEUCJPProber.get_confidence) �__name__� __module__� __qualname__r r �propertyr r r r" � __classcell__r r r r r $ s !r N)Zenumsr r Zmbcharsetproberr Zcodingstatemachiner Zchardistributionr Zjpcntxr Zmbcssmr r r r r r �<module> s _vendor/chardet/__pycache__/euckrfreq.cpython-39.opt-1.pyc 0000644 00000027372 15114542002 0017406 0 ustar 00 a [��f�4 � @ s d Z dZdZdS )g @�0 (0 � � �x it i� i� i� iH ia �� i� i� i� i+ i� �W iu i� �h i i] i� i� i� i� i� i� i� i� i� i� iv iw i� i� i� � im iF i! ip i� i i� � i� i� i� i� ix i� �/ i� i� i� i� i � i� i� i9 i i� i� �t i� i- iy i� �K i� � i� i� i� i� � iO i� in i� i� i� i� i� i i0 � i� �< i4 �{ i� i� i� i� i� ii i� ir i� i� i� i� i� i� i� i� i� i� i� iX 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i� i� i= i� i� � i� �! i� i� i� �J �� i� �= � i� i� i} i� i ij i i� i� i� i� i� i� i� i� i� i� i� iE i� i� i� i� � ij iO �4 i� � i� i� i� i� i� i� i� i iv i] i� iC i� i� i� i� i� i� i� io i� i� � i� i i� i� � il ic iA i� i� i� i� i� i� i� i� i �T i� i� ik � �� �� i� i� i� i3 i* i� �q i� �� i> i� i i� i� i� i i+ i i i i i �; i� �p i ix i i� � i� i i i i� i� i i� i i i� i i i� i� � � il i i i� i� i i �) �� i � � im i8 i� i iD i i� i i i i i i� i i� i i �7 iL �B i� i iD i i� i i� i� it i i i i i! i i" i# i$ i% iR i& i' i( i) i* � i+ i, � i, i- i. �m i� i i^ i/ ic i� iE i� i� i� ia im i0 iE i1 i2 i3 i i� i� i4 iT i� i� i� i5 i� i i� i� i6 i7 i in i� i� io i8 i9 iF i� i� i� i: iG i; i< i= i> i? i@ iA iB iC iD iE i$ iF iG i� i� i% i� i� ip iH iI iJ iK iL i� i� i i� i� i� i� iM iN iO iP iQ iR � i� iS i/ iT i� iU i� i i iV i� �I iH �� i i� i� i� iW i� iX � iq iY iZ i[ i\ i� ir i� is i] i^ i_ i` � iv iL ia � i� �. i� ib iF i> i� i� �j ic �Z i� i� iB i6 i� i` id ie i i� �| i if i� i� i5 ig i� ih i� ii �H � ij i� i� ik i� il i� i1 im in io ip iq ir iC is it iu iv iw i� ix iy iz i{ i� i� i| i} i~ i i� i� i� � i i i� iO i� i� i� i� i� i� i i� i� i� i� i� iE i� i� iq i� i iI i� i\ i� i- i� i� iS i� i� i� � i� ie i� i� i� �l i� iM � � �Q i �P i i i^ i i i- iF i� i� i� i i� i� i� i� i� i� i� i� i� i� i� i� i� i� i i. i� it i� i� i� i� iJ i� i� i� i� i� i� i� ig i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i i� i� �� i� i� iu i� i� i� i9 i i� i� i� i i� i$ i� i� i� i� i �5 i% � ik �L � i� i i� i� i� i� i i� i� iA i� i� i� i� i� i� i� i� i� �R � iu i� i� i� i i� i) i� i� i: i� i� i� � i� �� i� i" i$ iv i� i� � �c iZ � i� i� i� i� � i* iW i iK i� iL i� �+ � i � �� i� i� i� i i� i iB �� i� i? i� � i� i i� i� i� i� � iM i[ i5 i� i� i� in i� �� i� i� i� �C i� i' i� i� i� i� i� i� i� i� i i� i� i� i i� i i� i� i� i� i� �F iT i/ i� i� i� i� � �8 i� �u i� i� i� iK i� i( iM � i �i i� i� i� i� i� � i� i i� i� iT i� �? i �� i� i� i i� i �e i i( i� i� i� i� i� i� �% i0 � � i� �O i� i i8 i i i i i i� � i i i i � i� �# � �� i i� �� �V i � i iP i � �M iW i� i i i i� i| i i �S i� � i� i i� i� i� i i i� i� i i i i i i i� i i � �9 �D i i �� � i� � i �3 i� i� i i i i{ i i i� i i i i� i i� � i� i i� i! ik i� i� � i� iN �� iY i� i" i# i$ i% i& i' i( i] i) i* i+ i, i- i. i� i/ i� i� �> i � �� r i1 i� i� i� � i\ i� i2 i� i3 i� i� i4 i5 i6 iw i7 i� i8 i� i3 i i� i� i9 i: iL � �� � i; �� i< i� i i� i i� i� i i� i� i� i= i� iJ i> i? i@ i� iA �� iB iC iD i� iE i� i� iF iG iH iI i� i� i� i� i� i� iJ iK i i� iL iM iN i iI iO iP i� iQ iR iS i� iT i� iU iV iW iX i� iY iZ i[ i\ i] i� i� i^ i_ i` ia i� i ib ic id ie i i� if ig iU i� ix i ih i� i� ii ij � i i� i4 i& �� i� i� i! i� �� i� iS iy i i� i� i" i i� i# ik i� il im in � i� i� ip iQ i� i. io iU � iO i� ip i� iq ir is ix it i� iu iv iw i i i$ ix i� iy i� i` iz i{ i| i} �� i~ i i� i� i� i� i� i� �� iC i� � i� i� i% iy i� i io i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i �@ i� i� i� iG i� i� i� i i2 �� i� i� i� i� i� i� i� iN i� i i� i� i� i� i� i� i� i� i� �r i� i� iz in � i� i� iP i� i# i� i& iQ i� i� im i� ic i� i� i� i' i� iw i� i� �� i( il i@ i� i� i� i) i� i* i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� iH i� i� i� i i� i i� i� i� i� i� i� i� ir i� i i� �A i� i� �� i� i� i� �} i, i� i� i: i� i i� � i i iI i� iN i� i1 i� iW �� �� i� i� i� i� i� i� i+ i� i� �1 i� ib i� i� iq i� i, i� i� � ie i� i� �_ i id i� i� i� i� i� i� � i� i2 i� i� i� i� � i� i� i� i� i i� i� i� i� i� i- i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� � �� i7 i� i� i� i i� i� i� i� i� i� i� �� i� i� i� i� i� i� �� �, iG i� i i� i� i� i^ i� i� i. i� � ig i� i� i� i� i� i� i� i� i� i i� i i_ i� i� i� i� i� � ih ih i i{ i� i| i� i� � i3 i� i� i� i� i� i� i i �\ i i� i� i i i i i i i i � i i i i i i� i� i ij i ii i� i4 i i i i i i i i� � i i i i i� �6 id �� i/ i i i i� i� �o i i� iR i� � i� � �& i �k �n iz �� � i� i� i i� i i� �� �X i� id i iS i� i} i i} i i� i~ i� i� i i� i i! iN i" i� i� � i� i� i� i# i� � is i$ i% i& �f iD i i1 i' i� i i( i@ i) �^ � �� i� i* i� i+ i, i- i. i/ iJ i+ i0 i1 i2 i� iT i� i3 i4 i5 i6 �� i7 iA i. i� i� i� i8 i9 i i" i: i; i� i< i= i> i i� i0 i? i� i@ i iA iB i iC iD iE iF iG i� i� i_ i[ iH iI i� i i` ia iJ i� i i� i� iK iL iM iN � iO i� ii i i i iP iQ iR N)Z EUCKR_TYPICAL_DISTRIBUTION_RATIOZEUCKR_TABLE_SIZEZEUCKR_CHAR_TO_FREQ_ORDER� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/chardet/euckrfreq.py�<module>) s _vendor/chardet/__pycache__/euckrfreq.cpython-39.pyc 0000644 00000027372 15114542002 0016447 0 ustar 00 a [��f�4 � @ s d Z dZdZdS )g @�0 (0 � � �x it i� i� i� iH ia �� i� i� i� i+ i� �W iu i� �h i i] i� i� i� i� i� i� i� i� i� i� iv iw i� i� i� � im iF i! ip i� i i� � i� i� i� i� ix i� �/ i� i� i� i� i � i� i� i9 i i� i� �t i� i- iy i� �K i� � i� i� i� i� � iO i� in i� i� i� i� i� i i0 � i� �< i4 �{ i� i� i� i� i� ii i� ir i� i� i� i� i� i� i� i� i� i� i� iX iX i� i� i� i� �Y i� i� i& i� iP i� i� i� i� i� i� i� i^ i� �� i� i� i� i� i� i9 i� i� i� i� i� i� iQ i� i" � it � i� � i� i i] i{ i7 i� � i� i{ i� i; i� iu i� iz i/ i� i| �� i� i� i� i7 i� i� i. i� i� i� i� i i� i i� i i i i i i{ i i i i# i| i} i� i~ i� it i8 i i_ i i i i i i! i i i i_ i i� i� i� i i i* i� iu i i` i" i� i i| i i i� i� i i ia i i i i i i i? i iR i! i i/ i� i� i! i" i= i� i� i# i� i$ i% i& i' i( i) i, i� i' ib i$ i* i� i+ i� i- i� i, i� i i� i� i� i& iU i� i� i# i i� i- i. �' i i� if i/ is i� i0 i� i� i i i� i i� i9 ie �[ i1 i� i� i iZ i� i� i: i� i� i� i2 i3 i� iG i i� i �y i4 i� i� i� i5 i6 i7 i, �w i� i� is i8 i� �� i9 i: i i� i~ i; i i< i; i} i= i> i? io i) i� i� i@ i� iA iB i� i� i2 iY iC iD i� i< iE iF iG iH iI i% iJ iK iL iM iN iO i �` i> iP i� i= iQ i� iR i� iS iT i; i� i� i� i� i iU i� iV iW iX i4 iY � i iZ i[ i� i\ i] � i i^ i� i� i_ �" iP i� i� i` i; i� i~ iH ia � iv i� �z i? i i� i� ib i� i� i< ic id �d ie if ic �0 i� id i ig iy i� i� ih ii �s i0 ij i= ik i� il i� i� i� i< ib i� i� �U i i� i i� iI im in io i ip iq ir is it iu � i� i� i� i6 iv iw i� i* i� �] ix iy i� i� iz iZ i� �- �: � ib i i{ i| � i& i' i� i� i5 i� i� i i> i} i~ iw i ig i� i� i� i6 i� i% i� i� �( i� �v i� � i� iw i� i� � i� �E i� i� i� i� i� i� i� i� i� if �� iV i� i7 i� i� i� i� iB i� �N i� i[ i� i' i� i� i� i� i� i� �� iS i� i� i� i� i� ie i� i ix i� i� i� i� i� i� i� i� i� i � i� i� i� i� i� i� i� i� i� i� i? i� i� i i� iq i� if i� i( i) i� i� i~ i� i\ i� i� i� i� i� i) i i� i� i i� i i� i� i� i� i� �$ i �� i� � i� i� il i� i� i� i �~ i� i� iC � i� i i� i@ i� i� i� i� i� �2 i� �� iK i iz iV i i� �� � � iQ ir if i i i � � i ih i+ i3 i i1 � i i� i� i� � �g i( i� i� i� iz i� i� i� i� i� i� i� i� i� i� i� i� �� i� i� i� i� iA � i< ij i i� iM ig i� i2 i� i� i� i� i� i� i� i� i� iV ih i i� iJ i� i� i0 �� i �b � � i� i� i i� i� i� � iY � i� i �� i �� �a i! �* � i� �� i� i� iK iD i8 i iR i iB � i@ i� i� i� i i� i� i� iy i� i� i� i� i iX i: i� i� i# i� i� i� ii i� �G i� i� ik i� i� i= i� i� � i� �! i� i� i� �J �� i� �= � i� i� i} i� i ij i i� i� i� i� i� i� i� i� i� i� i� iE i� i� i� i� � ij iO �4 i� � i� i� i� i� i� i� i� i iv i] i� iC i� i� i� i� i� i� i� io i� i� � i� i i� i� � il ic iA i� i� i� i� i� i� i� i� i �T i� i� ik � �� �� i� i� i� i3 i* i� �q i� �� i> i� i i� i� i� i i+ i i i i i �; i� �p i ix i i� � i� i i i i� i� i i� i i i� i i i� i� � � il i i i� i� i i �) �� i � � im i8 i� i iD i i� i i i i i i� i i� i i �7 iL �B i� i iD i i� i i� i� it i i i i i! i i" i# i$ i% iR i& i' i( i) i* � i+ i, � i, i- i. �m i� i i^ i/ ic i� iE i� i� i� ia im i0 iE i1 i2 i3 i i� i� i4 iT i� i� i� i5 i� i i� i� i6 i7 i in i� i� io i8 i9 iF i� i� i� i: iG i; i< i= i> i? i@ iA iB iC iD iE i$ iF iG i� i� i% i� i� ip iH iI iJ iK iL i� i� i i� i� i� i� iM iN iO iP iQ iR � i� iS i/ iT i� iU i� i i iV i� �I iH �� i i� i� i� iW i� iX � iq iY iZ i[ i\ i� ir i� is i] i^ i_ i` � iv iL ia � i� �. i� ib iF i> i� i� �j ic �Z i� i� iB i6 i� i` id ie i i� �| i if i� i� i5 ig i� ih i� ii �H � ij i� i� ik i� il i� i1 im in io ip iq ir iC is it iu iv iw i� ix iy iz i{ i� i� i| i} i~ i i� i� i� � i i i� iO i� i� i� i� i� i� i i� i� i� i� i� iE i� i� iq i� i iI i� i\ i� i- i� i� iS i� i� i� � i� ie i� i� i� �l i� iM � � �Q i �P i i i^ i i i- iF i� i� i� i i� i� i� i� i� i� i� i� i� i� i� i� i� i� i i. i� it i� i� i� i� iJ i� i� i� i� i� i� i� ig i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i i� i� �� i� i� iu i� i� i� i9 i i� i� i� i i� i$ i� i� i� i� i �5 i% � ik �L � i� i i� i� i� i� i i� i� iA i� i� i� i� i� i� i� i� i� �R � iu i� i� i� i i� i) i� i� i: i� i� i� � i� �� i� i" i$ iv i� i� � �c iZ � i� i� i� i� � i* iW i iK i� iL i� �+ � i � �� i� i� i� i i� i iB �� i� i? i� � i� i i� i� i� i� � iM i[ i5 i� i� i� in i� �� i� i� i� �C i� i' i� i� i� i� i� i� i� i� i i� i� i� i i� i i� i� i� i� i� �F iT i/ i� i� i� i� � �8 i� �u i� i� i� iK i� i( iM � i �i i� i� i� i� i� � i� i i� i� iT i� �? i �� i� i� i i� i �e i i( i� i� i� i� i� i� �% i0 � � i� �O i� i i8 i i i i i i� � i i i i � i� �# � �� i i� �� �V i � i iP i � �M iW i� i i i i� i| i i �S i� � i� i i� i� i� i i i� i� i i i i i i i� i i � �9 �D i i �� � i� � i �3 i� i� i i i i{ i i i� i i i i� i i� � i� i i� i! ik i� i� � i� iN �� iY i� i" i# i$ i% i& i' i( i] i) i* i+ i, i- i. i� i/ i� i� �> i � �� r i1 i� i� i� � i\ i� i2 i� i3 i� i� i4 i5 i6 iw i7 i� i8 i� i3 i i� i� i9 i: iL � �� � i; �� i< i� i i� i i� i� i i� i� i� i= i� iJ i> i? i@ i� iA �� iB iC iD i� iE i� i� iF iG iH iI i� i� i� i� i� i� iJ iK i i� iL iM iN i iI iO iP i� iQ iR iS i� iT i� iU iV iW iX i� iY iZ i[ i\ i] i� i� i^ i_ i` ia i� i ib ic id ie i i� if ig iU i� ix i ih i� i� ii ij � i i� i4 i& �� i� i� i! i� �� i� iS iy i i� i� i" i i� i# ik i� il im in � i� i� ip iQ i� i. io iU � iO i� ip i� iq ir is ix it i� iu iv iw i i i$ ix i� iy i� i` iz i{ i| i} �� i~ i i� i� i� i� i� i� �� iC i� � i� i� i% iy i� i io i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i �@ i� i� i� iG i� i� i� i i2 �� i� i� i� i� i� i� i� iN i� i i� i� i� i� i� i� i� i� i� �r i� i� iz in � i� i� iP i� i# i� i& iQ i� i� im i� ic i� i� i� i' i� iw i� i� �� i( il i@ i� i� i� i) i� i* i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� iH i� i� i� i i� i i� i� i� i� i� i� i� ir i� i i� �A i� i� �� i� i� i� �} i, i� i� i: i� i i� � i i iI i� iN i� i1 i� iW �� �� i� i� i� i� i� i� i+ i� i� �1 i� ib i� i� iq i� i, i� i� � ie i� i� �_ i id i� i� i� i� i� i� � i� i2 i� i� i� i� � i� i� i� i� i i� i� i� i� i� i- i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� � �� i7 i� i� i� i i� i� i� i� i� i� i� �� i� i� i� i� i� i� �� �, iG i� i i� i� i� i^ i� i� i. i� � ig i� i� i� i� i� i� i� i� i� i i� i i_ i� i� i� i� i� � ih ih i i{ i� i| i� i� � i3 i� i� i� i� i� i� i i �\ i i� i� i i i i i i i i � i i i i i i� i� i ij i ii i� i4 i i i i i i i i� � i i i i i� �6 id �� i/ i i i i� i� �o i i� iR i� � i� � �& i �k �n iz �� � i� i� i i� i i� �� �X i� id i iS i� i} i i} i i� i~ i� i� i i� i i! iN i" i� i� � i� i� i� i# i� � is i$ i% i& �f iD i i1 i' i� i i( i@ i) �^ � �� i� i* i� i+ i, i- i. i/ iJ i+ i0 i1 i2 i� iT i� i3 i4 i5 i6 �� i7 iA i. i� i� i� i8 i9 i i" i: i; i� i< i= i> i i� i0 i? i� i@ i iA iB i iC iD iE iF iG i� i� i_ i[ iH iI i� i i` ia iJ i� i i� i� iK iL iM iN � iO i� ii i i i iP iQ iR N)Z EUCKR_TYPICAL_DISTRIBUTION_RATIOZEUCKR_TABLE_SIZEZEUCKR_CHAR_TO_FREQ_ORDER� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/chardet/euckrfreq.py�<module>) s _vendor/chardet/__pycache__/euckrprober.cpython-39.opt-1.pyc 0000644 00000002121 15114542002 0017723 0 ustar 00 a [��f� � @ sD d dl mZ d dlmZ d dlmZ d dlmZ G dd� de�ZdS )� )�MultiByteCharSetProber)�CodingStateMachine)�EUCKRDistributionAnalysis)�EUCKR_SM_MODELc s4 e Zd Z� fdd�Zedd� �Zedd� �Z� ZS )� EUCKRProberc s, t t| ��� tt�| _t� | _| �� d S )N) �superr �__init__r r Z coding_smr Zdistribution_analyzer�reset��self�� __class__� �C/usr/lib/python3.9/site-packages/pip/_vendor/chardet/euckrprober.pyr # s zEUCKRProber.__init__c C s dS )NzEUC-KRr r r r r � charset_name) s 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i� i i i i� i i� i i i� � i� i6 i� i4 i� i| i i� iS i i i� i_ i� i i� i� i� i` i i i� i� i� i3 i i i; ir i i i i7 iY iL i; i� i� i� i i i � iT �\ i� i� i i< i� iV i5 i� i i� i� i� i� i i" ix i% i i; i8 i i� i i2 iE i= i! i� i i� �^ i iw i� i" i� i� i is i� i# i< iQ i i� ir i$ i i] i i% i� i. i& i i3 i5 iB i� iy i' i� i� i� i i� i i> iY ia ib i( i� i i) i* i i � i � i: i� i6 i� i^ i i i� i i( i� i+ i+ i i ix i, i i. ih i/ i- i i � i iV i i� i �h i� iz i. i i� � i� i< i� i� i; i/ i? i� i i i� i0 i8 i� i i� i5 i6 i� i_ �) i1 i2 i i3 iy i � i� i� i i^ i4 i� i� i? i$ i+ i\ i� i5 i_ iW i� i iz i6 i0 i i� i] i �� ip i7 i� i� i8 i^ i< i� iV i9 i� i6 i� iI �w i} ic i^ i i i9 i@ i� i iA i i� i� i� i: ie i1 i i iB i� i� i� i� i i� i� i i� i7 i; i< i� i= i{ i� �( i` iR i1 iY i iI i� �� i i� i6 i� id i> i� i� ie i? i� io � iq iY in i i� il i iC iD i{ i� i� i_ iE iP iU i� i� i� i� i i� iE im i� i@ i� i: i� i i iA i i� i� i� i i# i� iN i� i� iB i� iC iW iT iT � i� i i� if i; iD i i& i� i| i� i� i� i 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i i� i� iz iR i� i{ i� i� i� i( i_ i� i< i9 i� il i� i� i� i_ i iS i` ik i� i[ i� i� i� i� ix i: i� i; i< i! i$ i= i� i| i i� i> id i� i i? ie i i� i� i� i i� i� i� i i� i} i@ iA iB i� i. i~ ia iO i i� i� i` ib i� i� i% i i� i� i� i; i� i� i i� iC i iD i� i� i i� if i" iL i� i� i� i� i� iE i; i� iF i& iG i� i i� ix iH i) i� i� ic i� iI id iT i� i� i� ie i� i� i� i i i� iJ i ig i~ � iU i� ie i i i i� if ia i8 ig i� i� ib ih iK iy i� i� i� iL i i: i� i� i i �� i* iM ii i� i� ic it i� iM iN i� i� i� i� i i� i i� i� if i� i� iY id ie i� �* i i� iO iH i� i# i� i# i; i� i� i� i� i� iI i\ i@ i� i� i� is i$ i� iP iQ i� i� i� iR ij iS iT i� i+ i� iU i� iV i� i� iL i� i! i� iJ i\ �4 iW i� i iX iY iZ i� i[ i> iw ik if i� i� i+ i� i i% i� i� i$ i� i\ i� i� i il i� i] i� il i^ i_ ig i% i� i` ia ig i i i� i� i� iN iK ib ic id i� i� ic iw i� ie i� ib iy i� if ih ig ih ih i� i' ii i im i� iz ij id ii i� i i i< i� i� i| � i� i� i� i� i� i� i iO ik i� il i i� i� ia i� i� im i� i� i� in i� i� iu i� in i� 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iq i i` i| i� i� i i i| i� i� i i� i� i i� i� i� i� iG i i� i- i� iZ i1 iY i� i- i ie i� i� i[ iC � i� i� ie i� i. i- i i� i� i i� i� i� i� i7 ib il i � i� i� i{ i� i. i i� i� iz i� i� i� i� i? i� i i9 i i� i� i i� i} i� i� ia i� i� i �Q i� id i; iV i� i/ i^ iD i� i? im i� i� i9 iI i� i� i� i i i� i� i{ i} i i� i i� i� � i& i� i~ i� iX i� i� i} i� i� i9 i� i� i: i� i" i\ i i� i i_ �� i8 iW i~ i^ i% iP is i� iw i� i� i i8 i� iL i� i i. i� i� i� i� i iN �� i� iP i� iS i� i� i� i: iR i' i0 ib i i� i� i� i� i� i� iz i i� i i i i iK i� �� i� i� ir i� iq i i� i� in iL i i� i i� i� i� i� i� i� iX i@ i� ig �i � i� i4 i� i: i i� i� ir i� i� iQ i� i i i; i' i� i> i� ib im i� iw �� i� i� is i� i i� iA i� it i9 i i� i i i� io i^ i� i� i2 i� ic i� i �� i� i ir i� i� i� i! i it i i1 i{ i� i� i� i� � i� is i i� i� i� i� i� �x i �v ia ip i� i� i i� iL iO i� i iU i� i. i �� i) i. i� iE i� i" i iy i i i� i� i� � i( i� i i� iq iE i6 i i� i2 iu i6 i� i� i� i� i. i� ii i i� iV i� i is i� i� i� iG iG ij it i� iW i i� i� i� i` i� i� i� iu i� i i� i� i{ iQ i i� iO iC i� i� i� i� iJ i� i i i$ i� i� i� i/ i� i i_ i i� i ij iR i� i7 i i� i/ i i3 iD iu i6 iX i4 i� i� i i i� i i> i� i i i0 i` i` i i� i� i� iU i� i i� ir i i� i) i� i5 i� iH i� i i� i i~ ir i� i� i� i� i� i� i� � i i] i� i� i i� i i� i i@ i� i� i� ia i� iv i� i� i� i/ i! i6 i� i� i� i7 iw i� i i3 ic i8 ix i i� i� iB i� i� iM i� � iF i� ig i i� i� i( i� i i: i i� iH i� i� if �� i� i" i� i~ i� i� i� i� iy i i i� i� i i! iN i� i4 iA i� id ie �� � iz i i� i� i� i� i� i� i0 i� i� i i� i� i� i i� i{ i� i� i� i� i� if i( il i� iG i� i� �� i^ iB im iF i| i iU i� i� i2 iR i� i� i# i� i� i� i� iF �� i �U i� i� i� i1 i� ic ik i� iN iS i� � �� i� i� i� i$ iO i� i iY i� i� i� i i� iG i i i� iW i iC i? i� i � i~ i� i� iU iF i� i� i� i i� i� i� i� iC i� i� i� i ie i i� i� i� i i/ iQ i_ iv i; i� i� iP i) �� iG im i� i� i� iG i, iI iz �_ i� �� i i9 in i� i� iA i� i� iX i� i# iV i) i< i% i� i} i� i� iH iw i5 i� ip i. i i� i� im i i� i� i� i# ih i| ib i� i� i� i@ i( i^ iz i� i iA i� i i i" i ig i� i| i� i� i� � i� i6 i� iX i� i� i, i� i� i i i� i$ i# iI ik i� i i� i� i: i i� iQ i io ih iV i$ i� i� it i� i� i� iY i, i� i i i� iD i� i� i~ i� i� i� i� i% i� i i i� � i� i i� i� i i7 i/ i � i� �� i� iE iV i� i� iE iu i� i& i� i� i i� i� i� io i� i� iZ i� ii i� i� i i i� i� � i! i� in i8 i� i' i� � i� i i� i i� i� i� iG i� iR i2 i� i i: i� i, �� i iZ il i� i( iX iP i? i� i i� io i� i i� i� i� i� iW i* i �� i; i8 i� i& i) i� i� i io i� i i� i� iH i_ i� i� i0 i� ix i� i0 i� i; i� i i� i� iX i� i �� i� i1 i� �Z i* i% i� � i �| id i` i i� iS ij i} i\ i i� i� iG i� i i� if �q i% iB i� i1 ip i� i" i i� i� i� i� i| i� i� i i� i� il i2 � i� i� i i� i@ ih i� i; i� � i i i� i i� i� i& i i� i� i} i� i% i� i� i i i? i� i� i� ia iy i i� i� i� i� i� i= i1 i� i< i� i{ i# i �� i� i� i� iA i� i i� it i� i� i� i� i> i iK i3 i� i� i= �� i i\ i� i� i' iA i+ ig i� ib iK i� i� i� i� i i� i i� i4 i� i* i� im i� i� i� io iN i i0 i( ii i� i$ i4 i i{ i i� i� iQ i� i� iU i� i� i� i, i` i i� i� i i� ij i) i i� i- i6 �� i� iF i2 i) i i i* i� iY N)Z JIS_TYPICAL_DISTRIBUTION_RATIOZJIS_TABLE_SIZEZJIS_CHAR_TO_FREQ_ORDER� r r �?/usr/lib/python3.9/site-packages/pip/_vendor/chardet/jisfreq.py�<module>, s _vendor/chardet/__pycache__/jpcntx.cpython-39.opt-1.pyc 0000644 00000111303 15114542002 0016711 0 ustar 00 a [��f�L � @ s8 d Z G dd� de�ZG dd� de�ZG dd� de�ZdS ))S)S� r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr � r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r �Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r 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r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r c @ sP e Zd ZdZdZdZdZdZdd� Zdd � Z d d � Z d d � Z dd� Z dd� Z dS )�JapaneseContextAnalysis� ����d i� r c C s* d | _ d | _d | _d | _d | _| �� d S �N)� _total_rel� _rel_sample�_need_to_skip_char_num�_last_char_order�_done�reset��self� r �>/usr/lib/python3.9/site-packages/pip/_vendor/chardet/jpcntx.py�__init__{ s z JapaneseContextAnalysis.__init__c C s* d| _ dg| j | _d| _d| _d| _d S )Nr r F)r �NUM_OF_CATEGORYr r r r r r r r r � s z JapaneseContextAnalysis.resetc C s� | j r d S | j}||k r�| �|||d � �\}}||7 }||krT|| | _d| _q|dkr�| jdkr�| jd7 _| j| jkr�d| _ q�| jt| j | d7 < || _qd S )Nr r r T)r r � get_orderr r �MAX_REL_THRESHOLDr �jp2CharContext)r �byte_strZ num_bytes�i�order�char_lenr r r �feed� s z JapaneseContextAnalysis.feedc C s | j | jkS r )r �ENOUGH_REL_THRESHOLDr r r r �got_enough_data� s z'JapaneseContextAnalysis.got_enough_datac C s, | j | jkr"| j | jd | j S | jS d S )Nr )r �MINIMUM_DATA_THRESHOLDr � DONT_KNOWr r r r �get_confidence� s z&JapaneseContextAnalysis.get_confidencec C s dS )N�r r r )r r r r r r � s z!JapaneseContextAnalysis.get_orderN)�__name__� __module__� __qualname__r r$ r! r r# r r r r" r% r r r r r r t s r c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )�SJISContextAnalysisc s t t| ��� d| _d S )NZ SHIFT_JIS)�superr* r � _charset_namer �� __class__r r r � s z SJISContextAnalysis.__init__c C s | j S r )r, r r r r � charset_name� s z SJISContextAnalysis.charset_namec C s� |sdS |d }d| kr$dks>n d| kr:dkrjn n,d}|dksbd | kr^dkrnn qnd | _ nd }t|�d kr�|d }|d kr�d| kr�d kr�n n |d |fS d|fS )Nr& r � � �� � r � � ZCP932r �� �� r )r, �len�r r Z first_charr Z second_charr r r r � s . z SJISContextAnalysis.get_order)r' r( r) r �propertyr/ r � __classcell__r r r- r r* � s r* c @ s e Zd Zdd� ZdS )�EUCJPContextAnalysisc C s� |sdS |d }|dks0d| kr,dkr6n nd}n|dkrDd}nd }t |�d kr�|d }|d kr�d| krxd kr�n n |d |fS d |fS ) Nr& r � � � r � r r � �� r )r8 r9 r r r r � s z EUCJPContextAnalysis.get_orderN)r' r( r) r r r r r r< � s r< N)r �objectr r* r< r r r r �<module> s VC _vendor/chardet/__pycache__/jpcntx.cpython-39.pyc 0000644 00000111303 15114542002 0015752 0 ustar 00 a [��f�L � @ s8 d Z G dd� de�ZG dd� de�ZG dd� de�ZdS ))S)S� r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr � r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r �Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )Sr r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r 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S )Nr )r �MINIMUM_DATA_THRESHOLDr � DONT_KNOWr r r r �get_confidence� s z&JapaneseContextAnalysis.get_confidencec C s dS )N�r r r )r r r r r r � s z!JapaneseContextAnalysis.get_orderN)�__name__� __module__� __qualname__r r$ r! r r# r r r r" r% r r r r r r t s r c s0 e Zd Z� fdd�Zedd� �Zdd� Z� ZS )�SJISContextAnalysisc s t t| ��� d| _d S )NZ SHIFT_JIS)�superr* r � _charset_namer �� __class__r r r � s z SJISContextAnalysis.__init__c C s | j S r )r, r r r r � charset_name� s z SJISContextAnalysis.charset_namec C s� |sdS |d }d| kr$dks>n d| kr:dkrjn n,d}|dksbd | kr^dkrnn qnd | _ nd }t|�d kr�|d }|d kr�d| kr�d kr�n n |d |fS d|fS )Nr& r � � �� � r � � ZCP932r �� �� r )r, �len�r r Z first_charr Z second_charr r r r � s . z SJISContextAnalysis.get_order)r' r( r) r �propertyr/ r � __classcell__r r r- r r* � s r* c @ s e Zd Zdd� ZdS )�EUCJPContextAnalysisc C s� |sdS |d }|dks0d| kr,dkr6n nd}n|dkrDd}nd }t |�d kr�|d }|d kr�d| krxd kr�n n |d |fS d |fS ) Nr& r � � � r � r r � �� r )r8 r9 r r r r � s z EUCJPContextAnalysis.get_orderN)r' r( r) r r r r r r< � s r< N)r �objectr r* r< r r r r �<module> s VC _vendor/chardet/__pycache__/langbulgarianmodel.cpython-39.opt-1.pyc 0000644 00000052415 15114542002 0021242 0 ustar 00 a [��f˜ � @ sP$ d dl mZ dd d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d dddddddd ddddddddddd ddd dddd d d dd d d�?d d d ddd dd d d dd dd dd ddddd d d dd d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d�?d dddddddddddddddddddddddddddd d dddddddddd dddddd ddddddddddd d d d dd d d�?d d dddddddddd ddddddddddddddd dddddd d d ddd d dd d dd d dd ddd dd dd d d d ddddd d d�?d d dddd ddd d dd dddddddddddd dd d d dddddd d dddddd ddddddddddd dd dd d ddddd d d�?d d ddd d ddd ddd ddd ddd ddd ddd d d d ddd d dddd dddd dd dddddd dd d dd d d d d dddddd d d�?d d dddddddddd dddddddddddd ddd d ddddd dd d ddddd d ddddd dd d dd d d d d d ddddd d d�?d d ddddddddddddddddddddddddddd d dd ddddd ddd dddddd dddddddd ddddd ddd d d�?d d dd dd ddd d dd dd 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r r r r r r r )r r r r r � ZBig5)Z class_tableZ class_factorZ state_tableZchar_len_table�name( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r r � ZCP949( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r zEUC-JP( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r zEUC-KR( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r r r zx-euc-tw( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r r ZGB2312( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r Z Shift_JIS( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r zUTF-16BE)r r r r r r zUTF-16LE( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r � � r r � � r r r r r )r r r r r r r r r r r r r r r r � zUTF-8N)-Zenumsr ZBIG5_CLSZERRORZSTARTZITS_MEZBIG5_STZBIG5_CHAR_LEN_TABLEZ BIG5_SM_MODELZ CP949_CLSZCP949_STZCP949_CHAR_LEN_TABLEZCP949_SM_MODELZ EUCJP_CLSZEUCJP_STZEUCJP_CHAR_LEN_TABLEZEUCJP_SM_MODELZ EUCKR_CLSZEUCKR_STZEUCKR_CHAR_LEN_TABLEZEUCKR_SM_MODELZ EUCTW_CLSZEUCTW_STZEUCTW_CHAR_LEN_TABLEZEUCTW_SM_MODELZ GB2312_CLSZ GB2312_STZGB2312_CHAR_LEN_TABLEZGB2312_SM_MODELZSJIS_CLSZSJIS_STZSJIS_CHAR_LEN_TABLEZ SJIS_SM_MODELZ UCS2BE_CLSZ UCS2BE_STZUCS2BE_CHAR_LEN_TABLEZUCS2BE_SM_MODELZ UCS2LE_CLSZ UCS2LE_STZUCS2LE_CHAR_LEN_TABLEZUCS2LE_SM_MODELZUTF8_CLSZUTF8_STZUTF8_CHAR_LEN_TABLEZ UTF8_SM_MODEL� r r �>/usr/lib/python3.9/site-packages/pip/_vendor/chardet/mbcssm.py�<module> sD $ �� ((((((� �$ ��$ ��$ � �$ ��& ��$ � �$ � �$ � � _vendor/chardet/__pycache__/mbcssm.cpython-39.pyc 0000644 00000036501 15114542002 0015736 0 ustar 00 a [��f�c � � @ sl d dl mZ dZejejejdejejejejejejejejejejejejejejejejejejejejfZdZedeedd�ZdZ ejejdejejejd dejd ejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejfFZ d Z e d e e d d�Z dZ dd ddejejejejejejejejejejejejejejejejejejejejejejejejejejdejdejejejejejejejf(ZdZe d eedd�ZdZejejdejejejejejejejejejejejejejfZdZed eedd�ZdZejejejdddd ejejejejejejejejejejejejejejejejejejejejejejejejejdejejejejejejejejejejejejejejejf0ZdZedeedd�ZdZejejejejejejdejejejejejejejejejejejejejejejejejd ejejejejejejejejejdejejejejejejejejejejejejejf0ZdZedeedd�Z dZ ejejejdejejejejejejejejejejejejejejejejejejejejfZ d Z e d e e d d�Z d Z!dddejd dejejejejejejejejejejejejd d d d ejejd d d d d ejd d d d d d dddejdd d d ejd d d d d d d ejejejejf8Z"d Z#e!d e"e#d!d�Z$d Z%d d dd d dejejejejejejejejejejejejdddejejejdddejdejd d dd d d dddejdddejejejdddddejdejejejf8Z&d"Z'e%d e&e'd#d�Z(d$Z)ejejejejejejd%d d&d'd dd dd dejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejejddddejejejejejejejejejejejejejdddejejejejejejejejejejejejddddejejejejejejejejejejejejejejddejejejejejejejejejejejejd&d&d&d&ejejejejejejejejejejejejejejejd&ejejejejejejejejejejejejd%d%d%d%ejejejejejejejejejejejejejejejd%ejejejejejejejejejejejejd%d%d%ejejejejejejejejejejejejejejejejejejejejejejejejejejejf�Z*d(Z+e)d)e*e+d*d�Z,d+S ),� )� MachineState( r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r � ZBig5)Z class_tableZ class_factorZ state_tableZchar_len_table�name( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r ) r r r r r r r r r r � ZCP949( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r zEUC-JP( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r zEUC-KR( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r r r zx-euc-tw( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r r ZGB2312( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r Z Shift_JIS( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r )r r r r r r zUTF-16BE)r r r r r r zUTF-16LE( r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r � r r r r r r � � r r � � r r r r r )r r r r r r r r r r r r r r r r � zUTF-8N)-Zenumsr ZBIG5_CLSZERRORZSTARTZITS_MEZBIG5_STZBIG5_CHAR_LEN_TABLEZ BIG5_SM_MODELZ CP949_CLSZCP949_STZCP949_CHAR_LEN_TABLEZCP949_SM_MODELZ EUCJP_CLSZEUCJP_STZEUCJP_CHAR_LEN_TABLEZEUCJP_SM_MODELZ EUCKR_CLSZEUCKR_STZEUCKR_CHAR_LEN_TABLEZEUCKR_SM_MODELZ EUCTW_CLSZEUCTW_STZEUCTW_CHAR_LEN_TABLEZEUCTW_SM_MODELZ GB2312_CLSZ GB2312_STZGB2312_CHAR_LEN_TABLEZGB2312_SM_MODELZSJIS_CLSZSJIS_STZSJIS_CHAR_LEN_TABLEZ SJIS_SM_MODELZ UCS2BE_CLSZ UCS2BE_STZUCS2BE_CHAR_LEN_TABLEZUCS2BE_SM_MODELZ UCS2LE_CLSZ UCS2LE_STZUCS2LE_CHAR_LEN_TABLEZUCS2LE_SM_MODELZUTF8_CLSZUTF8_STZUTF8_CHAR_LEN_TABLEZ UTF8_SM_MODEL� r r �>/usr/lib/python3.9/site-packages/pip/_vendor/chardet/mbcssm.py�<module> sD $ �� ((((((� �$ ��$ ��$ � �$ ��& ��$ � �$ � �$ � � _vendor/chardet/__pycache__/sbcharsetprober.cpython-39.opt-1.pyc 0000644 00000006006 15114542002 0020576 0 ustar 00 a [��f� � @ sN d dl mZ ddlmZ ddlmZmZmZ edg d��ZG dd� de�Z d S ) � )� namedtuple� )� CharSetProber)�CharacterCategory� ProbingState�SequenceLikelihood�SingleByteCharSetModel)� charset_name�language�char_to_order_map�language_model�typical_positive_ratio�keep_ascii_lettersZalphabetc sb e Zd ZdZdZdZdZd� fdd� Z� fd d �Ze d d � �Z e d d� �Z dd� Z dd� Z � ZS )�SingleByteCharSetProber�@ i gffffff�?g�������?FNc sJ t t| ��� || _|| _|| _d | _d | _d | _d | _ d | _ | � � d S �N) �superr �__init__�_model� _reversed� _name_prober� _last_order� _seq_counters� _total_seqs� _total_char� _freq_char�reset)�selfZmodel�reversedZ name_prober�� __class__� �G/usr/lib/python3.9/site-packages/pip/_vendor/chardet/sbcharsetprober.pyr 3 s z SingleByteCharSetProber.__init__c s: t t| ��� d| _dgt�� | _d| _d| _d| _ d S )N� r ) r r r r r Zget_num_categoriesr r r r �r r r! r" r A s z SingleByteCharSetProber.resetc C s | j r| j jS | jjS d S r )r r r r$ r! r! r" r K s z$SingleByteCharSetProber.charset_namec C s | j r| j jS | jjS d S r )r r r r$ r! r! r" r R s z SingleByteCharSetProber.languagec C sJ | j js| �|�}|s | jS | j j}| j j}|D ]�}|�|tj�}|tj k rZ| j d7 _ || j k r�| j d7 _ | j | j k r�| jd7 _| js�|| j | }n|| | j }| j| d7 < || _ q0| j j}| jtjk�rD| j| jk�rD| �� }|| jk�r | j�d||� tj| _n(|| jk �rD| j�d||| j� tj | _| jS )Nr z$%s confidence = %s, we have a winnerz9%s confidence = %s, below negative shortcut threshhold %s) r r Zfilter_international_words�stater r �getr Z UNDEFINEDZCONTROLr � SAMPLE_SIZEr r r r r r r Z DETECTING�SB_ENOUGH_REL_THRESHOLD�get_confidence�POSITIVE_SHORTCUT_THRESHOLD�logger�debugZFOUND_IT�_state�NEGATIVE_SHORTCUT_THRESHOLDZNOT_ME) r Zbyte_strr r �char�orderZlm_catr Z confidencer! r! r" �feedY sH � �z SingleByteCharSetProber.feedc C sL d}| j dkrHd| jtj | j | jj }|| j | j }|dkrHd}|S )Ng{�G�z�?r g �?g�G�z��?)r r r ZPOSITIVEr r r r )r �rr! r! r" r) � s ��z&SingleByteCharSetProber.get_confidence)FN)�__name__� __module__� __qualname__r' r( r* r. r r �propertyr r r1 r) � __classcell__r! r! r r" r - s 0r N) � collectionsr Z charsetproberr Zenumsr r r r r r! r! r! r" �<module> s � _vendor/chardet/__pycache__/sbcharsetprober.cpython-39.pyc 0000644 00000006006 15114542002 0017637 0 ustar 00 a [��f� � @ sN d dl mZ ddlmZ ddlmZmZmZ edg d��ZG dd� de�Z d S ) � )� namedtuple� )� CharSetProber)�CharacterCategory� ProbingState�SequenceLikelihood�SingleByteCharSetModel)� 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If you want help, run chardetect --help )�fileN)�argparse�ArgumentParser� add_argument�FileTyper r r �bufferr r � parse_argsr �isatty�print�stderrr r )�argv�parser�args�fr r r �main5 s$ � �� �r1 �__main__)r )N)�__doc__Z __future__r r r r$ r Zpip._vendor.chardetr Zpip._vendor.chardet.compatr Z%pip._vendor.chardet.universaldetectorr r r1 �__name__r r r r �<module> s _vendor/chardet/cli/__init__.py 0000644 00000000001 15114542002 0012453 0 ustar 00 _vendor/chardet/cli/chardetect.py 0000644 00000005273 15114542002 0013042 0 ustar 00 """ Script which takes one or more file paths and reports on their detected encodings Example:: % chardetect somefile someotherfile somefile: windows-1252 with confidence 0.5 someotherfile: ascii with confidence 1.0 If no paths are provided, it takes its input from stdin. """ from __future__ import absolute_import, print_function, unicode_literals import argparse import sys from pip._vendor.chardet import __version__ from pip._vendor.chardet.compat import PY2 from pip._vendor.chardet.universaldetector import UniversalDetector def description_of(lines, name='stdin'): """ Return a string describing the probable encoding of a file or list of strings. :param lines: The lines to get the encoding of. :type lines: Iterable of bytes :param name: Name of file or collection of lines :type name: str """ u = UniversalDetector() for line in lines: line = bytearray(line) u.feed(line) # shortcut out of the loop to save reading further - particularly useful if we read a BOM. if u.done: break u.close() result = u.result if PY2: name = name.decode(sys.getfilesystemencoding(), 'ignore') if result['encoding']: return '{}: {} with confidence {}'.format(name, result['encoding'], result['confidence']) else: return '{}: no result'.format(name) def main(argv=None): """ Handles command line arguments and gets things started. :param argv: List of arguments, as if specified on the command-line. If None, ``sys.argv[1:]`` is used instead. :type argv: list of str """ # Get command line arguments parser = argparse.ArgumentParser( description="Takes one or more file paths and reports their detected \ encodings") parser.add_argument('input', help='File whose encoding we would like to determine. \ (default: stdin)', type=argparse.FileType('rb'), nargs='*', default=[sys.stdin if PY2 else sys.stdin.buffer]) parser.add_argument('--version', action='version', version='%(prog)s {}'.format(__version__)) args = parser.parse_args(argv) for f in args.input: if f.isatty(): print("You are running chardetect interactively. Press " + "CTRL-D twice at the start of a blank line to signal the " + "end of your input. If you want help, run chardetect " + "--help\n", file=sys.stderr) print(description_of(f, f.name)) if __name__ == '__main__': main() _vendor/chardet/sbcharsetprober.py 0000644 00000013770 15114542002 0013356 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from collections import namedtuple from .charsetprober import CharSetProber from .enums import CharacterCategory, ProbingState, SequenceLikelihood SingleByteCharSetModel = namedtuple('SingleByteCharSetModel', ['charset_name', 'language', 'char_to_order_map', 'language_model', 'typical_positive_ratio', 'keep_ascii_letters', 'alphabet']) class SingleByteCharSetProber(CharSetProber): SAMPLE_SIZE = 64 SB_ENOUGH_REL_THRESHOLD = 1024 # 0.25 * SAMPLE_SIZE^2 POSITIVE_SHORTCUT_THRESHOLD = 0.95 NEGATIVE_SHORTCUT_THRESHOLD = 0.05 def __init__(self, model, reversed=False, name_prober=None): super(SingleByteCharSetProber, self).__init__() self._model = model # TRUE if we need to reverse every pair in the model lookup self._reversed = reversed # Optional auxiliary prober for name decision self._name_prober = name_prober self._last_order = None self._seq_counters = None self._total_seqs = None self._total_char = None self._freq_char = None self.reset() def reset(self): super(SingleByteCharSetProber, self).reset() # char order of last character self._last_order = 255 self._seq_counters = [0] * SequenceLikelihood.get_num_categories() self._total_seqs = 0 self._total_char = 0 # characters that fall in our sampling range self._freq_char = 0 @property def charset_name(self): if self._name_prober: return self._name_prober.charset_name else: return self._model.charset_name @property def language(self): if self._name_prober: return self._name_prober.language else: return self._model.language def feed(self, byte_str): # TODO: Make filter_international_words keep things in self.alphabet if not self._model.keep_ascii_letters: byte_str = self.filter_international_words(byte_str) if not byte_str: return self.state char_to_order_map = self._model.char_to_order_map language_model = self._model.language_model for char in byte_str: order = char_to_order_map.get(char, CharacterCategory.UNDEFINED) # XXX: This was SYMBOL_CAT_ORDER before, with a value of 250, but # CharacterCategory.SYMBOL is actually 253, so we use CONTROL # to make it closer to the original intent. The only difference # is whether or not we count digits and control characters for # _total_char purposes. if order < CharacterCategory.CONTROL: self._total_char += 1 # TODO: Follow uchardet's lead and discount confidence for frequent # control characters. # See https://github.com/BYVoid/uchardet/commit/55b4f23971db61 if order < self.SAMPLE_SIZE: self._freq_char += 1 if self._last_order < self.SAMPLE_SIZE: self._total_seqs += 1 if not self._reversed: lm_cat = language_model[self._last_order][order] else: lm_cat = language_model[order][self._last_order] self._seq_counters[lm_cat] += 1 self._last_order = order charset_name = self._model.charset_name if self.state == ProbingState.DETECTING: if self._total_seqs > self.SB_ENOUGH_REL_THRESHOLD: confidence = self.get_confidence() if confidence > self.POSITIVE_SHORTCUT_THRESHOLD: self.logger.debug('%s confidence = %s, we have a winner', charset_name, confidence) self._state = ProbingState.FOUND_IT elif confidence < self.NEGATIVE_SHORTCUT_THRESHOLD: self.logger.debug('%s confidence = %s, below negative ' 'shortcut threshhold %s', charset_name, confidence, self.NEGATIVE_SHORTCUT_THRESHOLD) self._state = ProbingState.NOT_ME return self.state def get_confidence(self): r = 0.01 if self._total_seqs > 0: r = ((1.0 * self._seq_counters[SequenceLikelihood.POSITIVE]) / self._total_seqs / self._model.typical_positive_ratio) r = r * self._freq_char / self._total_char if r >= 1.0: r = 0.99 return r _vendor/chardet/sjisprober.py 0000644 00000007276 15114542002 0012354 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import SJISDistributionAnalysis from .jpcntx import SJISContextAnalysis from .mbcssm import SJIS_SM_MODEL from .enums import ProbingState, MachineState class SJISProber(MultiByteCharSetProber): def __init__(self): super(SJISProber, self).__init__() self.coding_sm = CodingStateMachine(SJIS_SM_MODEL) self.distribution_analyzer = SJISDistributionAnalysis() self.context_analyzer = SJISContextAnalysis() self.reset() def reset(self): super(SJISProber, self).reset() self.context_analyzer.reset() @property def charset_name(self): return self.context_analyzer.charset_name @property def language(self): return "Japanese" def feed(self, byte_str): for i in range(len(byte_str)): coding_state = self.coding_sm.next_state(byte_str[i]) if coding_state == MachineState.ERROR: self.logger.debug('%s %s prober hit error at byte %s', self.charset_name, self.language, i) self._state = ProbingState.NOT_ME break elif coding_state == MachineState.ITS_ME: self._state = ProbingState.FOUND_IT break elif coding_state == MachineState.START: char_len = self.coding_sm.get_current_charlen() if i == 0: self._last_char[1] = byte_str[0] self.context_analyzer.feed(self._last_char[2 - char_len:], char_len) self.distribution_analyzer.feed(self._last_char, char_len) else: self.context_analyzer.feed(byte_str[i + 1 - char_len:i + 3 - char_len], char_len) self.distribution_analyzer.feed(byte_str[i - 1:i + 1], char_len) self._last_char[0] = byte_str[-1] if self.state == ProbingState.DETECTING: if (self.context_analyzer.got_enough_data() and (self.get_confidence() > self.SHORTCUT_THRESHOLD)): self._state = ProbingState.FOUND_IT return self.state def get_confidence(self): context_conf = self.context_analyzer.get_confidence() distrib_conf = self.distribution_analyzer.get_confidence() return max(context_conf, distrib_conf) _vendor/chardet/utf8prober.py 0000644 00000005316 15114542002 0012263 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetprober import CharSetProber from .enums import ProbingState, MachineState from .codingstatemachine import CodingStateMachine from .mbcssm import UTF8_SM_MODEL class UTF8Prober(CharSetProber): ONE_CHAR_PROB = 0.5 def __init__(self): super(UTF8Prober, self).__init__() self.coding_sm = CodingStateMachine(UTF8_SM_MODEL) self._num_mb_chars = None self.reset() def reset(self): super(UTF8Prober, self).reset() self.coding_sm.reset() self._num_mb_chars = 0 @property def charset_name(self): return "utf-8" @property def language(self): return "" def feed(self, byte_str): for c in byte_str: coding_state = self.coding_sm.next_state(c) if coding_state == MachineState.ERROR: self._state = ProbingState.NOT_ME break elif coding_state == MachineState.ITS_ME: self._state = ProbingState.FOUND_IT break elif coding_state == MachineState.START: if self.coding_sm.get_current_charlen() >= 2: self._num_mb_chars += 1 if self.state == ProbingState.DETECTING: if self.get_confidence() > self.SHORTCUT_THRESHOLD: self._state = ProbingState.FOUND_IT return self.state def get_confidence(self): unlike = 0.99 if self._num_mb_chars < 6: unlike *= self.ONE_CHAR_PROB ** self._num_mb_chars return 1.0 - unlike else: return unlike _vendor/chardet/metadata/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000244 15114542002 0020723 0 ustar 00 a [��f � @ s d S )N� r r r �I/usr/lib/python3.9/site-packages/pip/_vendor/chardet/metadata/__init__.py�<module> � _vendor/chardet/metadata/__pycache__/__init__.cpython-39.pyc 0000644 00000000244 15114542002 0017764 0 ustar 00 a [��f � @ s d S )N� r r r �I/usr/lib/python3.9/site-packages/pip/_vendor/chardet/metadata/__init__.py�<module> � _vendor/chardet/metadata/__pycache__/languages.cpython-39.opt-1.pyc 0000644 00000017327 15114542002 0021144 0 ustar 00 a [��f�K � & @ s d Z ddlmZmZ ddlmZ G dd� de�Zedddg d �d d gd �ed ddg d�ddgd �edddg d�ddgd �edddddgd d gd �ed d dg d �d!d"gd �ed#d$dd%d&gd'd(gd �ed)d*dd+d,gd-d.gd �ed/d0dd%d&gd1gd2�ed3d4dd5gd6d7gd �ed8d9dg d �d:d;gd �ed<d=dg d>�d?d@gd �edAdBdg d �dCdDgd �edEdFdg d �dGdHdIgd �edJdKddLdMgdNdOgd �edPdQdddgdRdSgd �edTdUdddgdVdWgd �edXdYdg d �dZd[gd �ed\d]dg d^�d_d`gd �edadbdg d^�dcddgd �ededfdg dg�dhdigd �edjdkdd%d&gdlgd2�edmdndddgdodpgd �edqdrdg d �dsdtgd �edudvdddgdwdxgd �edydzdg d{�d|d}gd �ed~ddddgd�d�gd �ed�d�dddgd�d�gd �ed�d�d�g dg�d�gd��ed�d�dg d��d�d�gd �ed�d�dg d��d�d�gd �ed�d�dd�gd�d�gd �d�� Zd�S )�z� Metadata about languages used by our model training code for our SingleByteCharSetProbers. 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If `use_ascii` is `True`, you only need to add those not in the ASCII set. :type alphabet: str :ivar wiki_start_pages: The Wikipedia pages to start from if we're crawling Wikipedia for training data. :type wiki_start_pages: list of str NTc sr t t| ��� || _|| _|| _|| _| jr@|r:|t7 }qLt}n |sLtd��|rbd� t t |���nd | _ || _ d S )Nz*Must supply alphabet if use_ascii is False� )�superr �__init__�name�iso_code� use_ascii�charsetsr � ValueError�join�sorted�set�alphabet�wiki_start_pages)�selfr r r r r r �� __class__� �J/usr/lib/python3.9/site-packages/pip/_vendor/chardet/metadata/languages.pyr # s zLanguage.__init__c C s& d� | jjd�dd� | j�� D ���S )Nz{}({})z, c s s( | ] \}}|� d �sd�||�V qdS )�_z{}={!r}N)� startswith�format)�.0�k�vr r r � <genexpr>6 s �z$Language.__repr__.<locals>.<genexpr>)r r �__name__r �__dict__�items)r r r r �__repr__4 s ��zLanguage.__repr__)NNTNNN)r � __module__� __qualname__�__doc__r r" � __classcell__r r r r r s �r �Arabic�arF)z ISO-8859-6z WINDOWS-1256ZCP720ZCP864ub ءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّu الصفحة_الرئيسية)r r r r r r � Belarusian�be)� ISO-8859-5� WINDOWS-1251�IBM866� MacCyrillicu� АБВГДЕЁЖЗІЙКЛМНОПРСТУЎФХЦЧШЫЬЭЮЯабвгдеёжзійклмнопрстуўфхцчшыьэюяʼu! 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Could be used for other things in the future. This code is based on the language metadata from the uchardet project. """ from __future__ import absolute_import, print_function from string import ascii_letters # TODO: Add Ukranian (KOI8-U) class Language(object): """Metadata about a language useful for training models :ivar name: The human name for the language, in English. :type name: str :ivar iso_code: 2-letter ISO 639-1 if possible, 3-letter ISO code otherwise, or use another catalog as a last resort. :type iso_code: str :ivar use_ascii: Whether or not ASCII letters should be included in trained models. :type use_ascii: bool :ivar charsets: The charsets we want to support and create data for. :type charsets: list of str :ivar alphabet: The characters in the language's alphabet. If `use_ascii` is `True`, you only need to add those not in the ASCII set. :type alphabet: str :ivar wiki_start_pages: The Wikipedia pages to start from if we're crawling Wikipedia for training data. :type wiki_start_pages: list of str """ def __init__(self, name=None, iso_code=None, use_ascii=True, charsets=None, alphabet=None, wiki_start_pages=None): super(Language, self).__init__() self.name = name self.iso_code = iso_code self.use_ascii = use_ascii self.charsets = charsets if self.use_ascii: if alphabet: alphabet += ascii_letters else: alphabet = ascii_letters elif not alphabet: raise ValueError('Must supply alphabet if use_ascii is False') self.alphabet = ''.join(sorted(set(alphabet))) if alphabet else None self.wiki_start_pages = wiki_start_pages def __repr__(self): return '{}({})'.format(self.__class__.__name__, ', '.join('{}={!r}'.format(k, v) for k, v in self.__dict__.items() if not k.startswith('_'))) LANGUAGES = {'Arabic': Language(name='Arabic', iso_code='ar', use_ascii=False, # We only support encodings that use isolated # forms, because the current recommendation is # that the rendering system handles presentation # forms. This means we purposefully skip IBM864. charsets=['ISO-8859-6', 'WINDOWS-1256', 'CP720', 'CP864'], alphabet=u'ءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّ', wiki_start_pages=[u'الصفحة_الرئيسية']), 'Belarusian': Language(name='Belarusian', iso_code='be', use_ascii=False, charsets=['ISO-8859-5', 'WINDOWS-1251', 'IBM866', 'MacCyrillic'], alphabet=(u'АБВГДЕЁЖЗІЙКЛМНОПРСТУЎФХЦЧШЫЬЭЮЯ' u'абвгдеёжзійклмнопрстуўфхцчшыьэюяʼ'), wiki_start_pages=[u'Галоўная_старонка']), 'Bulgarian': Language(name='Bulgarian', iso_code='bg', use_ascii=False, charsets=['ISO-8859-5', 'WINDOWS-1251', 'IBM855'], alphabet=(u'АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯ' u'абвгдежзийклмнопрстуфхцчшщъьюя'), wiki_start_pages=[u'Начална_страница']), 'Czech': Language(name='Czech', iso_code='cz', use_ascii=True, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=u'áčďéěíňóřšťúůýžÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ', wiki_start_pages=[u'Hlavní_strana']), 'Danish': Language(name='Danish', iso_code='da', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'æøåÆØÅ', wiki_start_pages=[u'Forside']), 'German': Language(name='German', iso_code='de', use_ascii=True, charsets=['ISO-8859-1', 'WINDOWS-1252'], alphabet=u'äöüßÄÖÜ', wiki_start_pages=[u'Wikipedia:Hauptseite']), 'Greek': Language(name='Greek', iso_code='el', use_ascii=False, charsets=['ISO-8859-7', 'WINDOWS-1253'], alphabet=(u'αβγδεζηθικλμνξοπρσςτυφχψωάέήίόύώ' u'ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΣΤΥΦΧΨΩΆΈΉΊΌΎΏ'), wiki_start_pages=[u'Πύλη:Κύρια']), 'English': Language(name='English', iso_code='en', use_ascii=True, charsets=['ISO-8859-1', 'WINDOWS-1252'], wiki_start_pages=[u'Main_Page']), 'Esperanto': Language(name='Esperanto', iso_code='eo', # Q, W, X, and Y not used at all use_ascii=False, charsets=['ISO-8859-3'], alphabet=(u'abcĉdefgĝhĥijĵklmnoprsŝtuŭvz' u'ABCĈDEFGĜHĤIJĴKLMNOPRSŜTUŬVZ'), wiki_start_pages=[u'Vikipedio:Ĉefpaĝo']), 'Spanish': Language(name='Spanish', iso_code='es', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'ñáéíóúüÑÁÉÍÓÚÜ', wiki_start_pages=[u'Wikipedia:Portada']), 'Estonian': Language(name='Estonian', iso_code='et', use_ascii=False, charsets=['ISO-8859-4', 'ISO-8859-13', 'WINDOWS-1257'], # C, F, Š, Q, W, X, Y, Z, Ž are only for # loanwords alphabet=(u'ABDEGHIJKLMNOPRSTUVÕÄÖÜ' u'abdeghijklmnoprstuvõäöü'), wiki_start_pages=[u'Esileht']), 'Finnish': Language(name='Finnish', iso_code='fi', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'ÅÄÖŠŽåäöšž', wiki_start_pages=[u'Wikipedia:Etusivu']), 'French': Language(name='French', iso_code='fr', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'œàâçèéîïùûêŒÀÂÇÈÉÎÏÙÛÊ', wiki_start_pages=[u'Wikipédia:Accueil_principal', u'Bœuf (animal)']), 'Hebrew': Language(name='Hebrew', iso_code='he', use_ascii=False, charsets=['ISO-8859-8', 'WINDOWS-1255'], alphabet=u'אבגדהוזחטיךכלםמןנסעףפץצקרשתװױײ', wiki_start_pages=[u'עמוד_ראשי']), 'Croatian': Language(name='Croatian', iso_code='hr', # Q, W, X, Y are only used for foreign words. use_ascii=False, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=(u'abcčćdđefghijklmnoprsštuvzž' u'ABCČĆDĐEFGHIJKLMNOPRSŠTUVZŽ'), wiki_start_pages=[u'Glavna_stranica']), 'Hungarian': Language(name='Hungarian', iso_code='hu', # Q, W, X, Y are only used for foreign words. use_ascii=False, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=(u'abcdefghijklmnoprstuvzáéíóöőúüű' u'ABCDEFGHIJKLMNOPRSTUVZÁÉÍÓÖŐÚÜŰ'), wiki_start_pages=[u'Kezdőlap']), 'Italian': Language(name='Italian', iso_code='it', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'ÀÈÉÌÒÓÙàèéìòóù', wiki_start_pages=[u'Pagina_principale']), 'Lithuanian': Language(name='Lithuanian', iso_code='lt', use_ascii=False, charsets=['ISO-8859-13', 'WINDOWS-1257', 'ISO-8859-4'], # Q, W, and X not used at all alphabet=(u'AĄBCČDEĘĖFGHIĮYJKLMNOPRSŠTUŲŪVZŽ' u'aąbcčdeęėfghiįyjklmnoprsštuųūvzž'), wiki_start_pages=[u'Pagrindinis_puslapis']), 'Latvian': Language(name='Latvian', iso_code='lv', use_ascii=False, charsets=['ISO-8859-13', 'WINDOWS-1257', 'ISO-8859-4'], # Q, W, X, Y are only for loanwords alphabet=(u'AĀBCČDEĒFGĢHIĪJKĶLĻMNŅOPRSŠTUŪVZŽ' u'aābcčdeēfgģhiījkķlļmnņoprsštuūvzž'), wiki_start_pages=[u'Sākumlapa']), 'Macedonian': Language(name='Macedonian', iso_code='mk', use_ascii=False, charsets=['ISO-8859-5', 'WINDOWS-1251', 'MacCyrillic', 'IBM855'], alphabet=(u'АБВГДЃЕЖЗЅИЈКЛЉМНЊОПРСТЌУФХЦЧЏШ' u'абвгдѓежзѕијклљмнњопрстќуфхцчџш'), wiki_start_pages=[u'Главна_страница']), 'Dutch': Language(name='Dutch', iso_code='nl', use_ascii=True, charsets=['ISO-8859-1', 'WINDOWS-1252'], wiki_start_pages=[u'Hoofdpagina']), 'Polish': Language(name='Polish', iso_code='pl', # Q and X are only used for foreign words. use_ascii=False, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=(u'AĄBCĆDEĘFGHIJKLŁMNŃOÓPRSŚTUWYZŹŻ' u'aąbcćdeęfghijklłmnńoóprsśtuwyzźż'), wiki_start_pages=[u'Wikipedia:Strona_główna']), 'Portuguese': Language(name='Portuguese', iso_code='pt', use_ascii=True, charsets=['ISO-8859-1', 'ISO-8859-15', 'WINDOWS-1252'], alphabet=u'ÁÂÃÀÇÉÊÍÓÔÕÚáâãàçéêíóôõú', wiki_start_pages=[u'Wikipédia:Página_principal']), 'Romanian': Language(name='Romanian', iso_code='ro', use_ascii=True, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=u'ăâîșțĂÂÎȘȚ', wiki_start_pages=[u'Pagina_principală']), 'Russian': Language(name='Russian', iso_code='ru', use_ascii=False, charsets=['ISO-8859-5', 'WINDOWS-1251', 'KOI8-R', 'MacCyrillic', 'IBM866', 'IBM855'], alphabet=(u'абвгдеёжзийклмнопрстуфхцчшщъыьэюя' u'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ'), wiki_start_pages=[u'Заглавная_страница']), 'Slovak': Language(name='Slovak', iso_code='sk', use_ascii=True, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=u'áäčďéíĺľňóôŕšťúýžÁÄČĎÉÍĹĽŇÓÔŔŠŤÚÝŽ', wiki_start_pages=[u'Hlavná_stránka']), 'Slovene': Language(name='Slovene', iso_code='sl', # Q, W, X, Y are only used for foreign words. use_ascii=False, charsets=['ISO-8859-2', 'WINDOWS-1250'], alphabet=(u'abcčdefghijklmnoprsštuvzž' u'ABCČDEFGHIJKLMNOPRSŠTUVZŽ'), wiki_start_pages=[u'Glavna_stran']), # Serbian can be written in both Latin and Cyrillic, but there's no # simple way to get the Latin alphabet pages from Wikipedia through # the API, so for now we just support Cyrillic. 'Serbian': Language(name='Serbian', iso_code='sr', alphabet=(u'АБВГДЂЕЖЗИЈКЛЉМНЊОПРСТЋУФХЦЧЏШ' u'абвгдђежзијклљмнњопрстћуфхцчџш'), charsets=['ISO-8859-5', 'WINDOWS-1251', 'MacCyrillic', 'IBM855'], wiki_start_pages=[u'Главна_страна']), 'Thai': Language(name='Thai', iso_code='th', use_ascii=False, charsets=['ISO-8859-11', 'TIS-620', 'CP874'], alphabet=u'กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛', wiki_start_pages=[u'หน้าหลัก']), 'Turkish': Language(name='Turkish', iso_code='tr', # Q, W, and X are not used by Turkish use_ascii=False, charsets=['ISO-8859-3', 'ISO-8859-9', 'WINDOWS-1254'], alphabet=(u'abcçdefgğhıijklmnoöprsştuüvyzâîû' u'ABCÇDEFGĞHIİJKLMNOÖPRSŞTUÜVYZÂÎÛ'), wiki_start_pages=[u'Ana_Sayfa']), 'Vietnamese': Language(name='Vietnamese', iso_code='vi', use_ascii=False, # Windows-1258 is the only common 8-bit # Vietnamese encoding supported by Python. # From Wikipedia: # For systems that lack support for Unicode, # dozens of 8-bit Vietnamese code pages are # available.[1] The most common are VISCII # (TCVN 5712:1993), VPS, and Windows-1258.[3] # Where ASCII is required, such as when # ensuring readability in plain text e-mail, # Vietnamese letters are often encoded # according to Vietnamese Quoted-Readable # (VIQR) or VSCII Mnemonic (VSCII-MNEM),[4] # though usage of either variable-width # scheme has declined dramatically following # the adoption of Unicode on the World Wide # Web. charsets=['WINDOWS-1258'], alphabet=(u'aăâbcdđeêghiklmnoôơpqrstuưvxy' u'AĂÂBCDĐEÊGHIKLMNOÔƠPQRSTUƯVXY'), wiki_start_pages=[u'Chữ_Quốc_ngữ']), } _vendor/chardet/__init__.py 0000644 00000006307 15114542002 0011723 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .universaldetector import UniversalDetector from .enums import InputState from .version import __version__, VERSION __all__ = ['UniversalDetector', 'detect', 'detect_all', '__version__', 'VERSION'] def detect(byte_str): """ Detect the encoding of the given byte string. :param byte_str: The byte sequence to examine. :type byte_str: ``bytes`` or ``bytearray`` """ if not isinstance(byte_str, bytearray): if not isinstance(byte_str, bytes): raise TypeError('Expected object of type bytes or bytearray, got: ' '{}'.format(type(byte_str))) else: byte_str = bytearray(byte_str) detector = UniversalDetector() detector.feed(byte_str) return detector.close() def detect_all(byte_str): """ Detect all the possible encodings of the given byte string. :param byte_str: The byte sequence to examine. :type byte_str: ``bytes`` or ``bytearray`` """ if not isinstance(byte_str, bytearray): if not isinstance(byte_str, bytes): raise TypeError('Expected object of type bytes or bytearray, got: ' '{}'.format(type(byte_str))) else: byte_str = bytearray(byte_str) detector = UniversalDetector() detector.feed(byte_str) detector.close() if detector._input_state == InputState.HIGH_BYTE: results = [] for prober in detector._charset_probers: if prober.get_confidence() > detector.MINIMUM_THRESHOLD: charset_name = prober.charset_name lower_charset_name = prober.charset_name.lower() # Use Windows encoding name instead of ISO-8859 if we saw any # extra Windows-specific bytes if lower_charset_name.startswith('iso-8859'): if detector._has_win_bytes: charset_name = detector.ISO_WIN_MAP.get(lower_charset_name, charset_name) results.append({ 'encoding': charset_name, 'confidence': prober.get_confidence(), 'language': prober.language, }) if len(results) > 0: return sorted(results, key=lambda result: -result['confidence']) return [detector.result] _vendor/chardet/big5freq.py 0000644 00000075026 15114542002 0011674 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # Big5 frequency table # by Taiwan's Mandarin Promotion Council # <http://www.edu.tw:81/mandr/> # # 128 --> 0.42261 # 256 --> 0.57851 # 512 --> 0.74851 # 1024 --> 0.89384 # 2048 --> 0.97583 # # Ideal Distribution Ratio = 0.74851/(1-0.74851) =2.98 # Random Distribution Ration = 512/(5401-512)=0.105 # # Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR BIG5_TYPICAL_DISTRIBUTION_RATIO = 0.75 #Char to FreqOrder table BIG5_TABLE_SIZE = 5376 BIG5_CHAR_TO_FREQ_ORDER = ( 1,1801,1506, 255,1431, 198, 9, 82, 6,5008, 177, 202,3681,1256,2821, 110, # 16 3814, 33,3274, 261, 76, 44,2114, 16,2946,2187,1176, 659,3971, 26,3451,2653, # 32 1198,3972,3350,4202, 410,2215, 302, 590, 361,1964, 8, 204, 58,4510,5009,1932, # 48 63,5010,5011, 317,1614, 75, 222, 159,4203,2417,1480,5012,3555,3091, 224,2822, # 64 3682, 3, 10,3973,1471, 29,2787,1135,2866,1940, 873, 130,3275,1123, 312,5013, # 80 4511,2052, 507, 252, 682,5014, 142,1915, 124, 206,2947, 34,3556,3204, 64, 604, # 96 5015,2501,1977,1978, 155,1991, 645, 641,1606,5016,3452, 337, 72, 406,5017, 80, # 112 630, 238,3205,1509, 263, 939,1092,2654, 756,1440,1094,3453, 449, 69,2987, 591, # 128 179,2096, 471, 115,2035,1844, 60, 50,2988, 134, 806,1869, 734,2036,3454, 180, # 144 995,1607, 156, 537,2907, 688,5018, 319,1305, 779,2145, 514,2379, 298,4512, 359, # 160 2502, 90,2716,1338, 663, 11, 906,1099,2553, 20,2441, 182, 532,1716,5019, 732, # 176 1376,4204,1311,1420,3206, 25,2317,1056, 113, 399, 382,1950, 242,3455,2474, 529, # 192 3276, 475,1447,3683,5020, 117, 21, 656, 810,1297,2300,2334,3557,5021, 126,4205, # 208 706, 456, 150, 613,4513, 71,1118,2037,4206, 145,3092, 85, 835, 486,2115,1246, # 224 1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,5022,2128,2359, 347,3815, 221, # 240 3558,3135,5023,1956,1153,4207, 83, 296,1199,3093, 192, 624, 93,5024, 822,1898, # 256 2823,3136, 795,2065, 991,1554,1542,1592, 27, 43,2867, 859, 139,1456, 860,4514, # 272 437, 712,3974, 164,2397,3137, 695, 211,3037,2097, 195,3975,1608,3559,3560,3684, # 288 3976, 234, 811,2989,2098,3977,2233,1441,3561,1615,2380, 668,2077,1638, 305, 228, # 304 1664,4515, 467, 415,5025, 262,2099,1593, 239, 108, 300, 200,1033, 512,1247,2078, # 320 5026,5027,2176,3207,3685,2682, 593, 845,1062,3277, 88,1723,2038,3978,1951, 212, # 336 266, 152, 149, 468,1899,4208,4516, 77, 187,5028,3038, 37, 5,2990,5029,3979, # 352 5030,5031, 39,2524,4517,2908,3208,2079, 55, 148, 74,4518, 545, 483,1474,1029, # 368 1665, 217,1870,1531,3138,1104,2655,4209, 24, 172,3562, 900,3980,3563,3564,4519, # 384 32,1408,2824,1312, 329, 487,2360,2251,2717, 784,2683, 4,3039,3351,1427,1789, # 400 188, 109, 499,5032,3686,1717,1790, 888,1217,3040,4520,5033,3565,5034,3352,1520, # 416 3687,3981, 196,1034, 775,5035,5036, 929,1816, 249, 439, 38,5037,1063,5038, 794, # 432 3982,1435,2301, 46, 178,3278,2066,5039,2381,5040, 214,1709,4521, 804, 35, 707, # 448 324,3688,1601,2554, 140, 459,4210,5041,5042,1365, 839, 272, 978,2262,2580,3456, # 464 2129,1363,3689,1423, 697, 100,3094, 48, 70,1231, 495,3139,2196,5043,1294,5044, # 480 2080, 462, 586,1042,3279, 853, 256, 988, 185,2382,3457,1698, 434,1084,5045,3458, # 496 314,2625,2788,4522,2335,2336, 569,2285, 637,1817,2525, 757,1162,1879,1616,3459, # 512 287,1577,2116, 768,4523,1671,2868,3566,2526,1321,3816, 909,2418,5046,4211, 933, # 528 3817,4212,2053,2361,1222,4524, 765,2419,1322, 786,4525,5047,1920,1462,1677,2909, # 544 1699,5048,4526,1424,2442,3140,3690,2600,3353,1775,1941,3460,3983,4213, 309,1369, # 560 1130,2825, 364,2234,1653,1299,3984,3567,3985,3986,2656, 525,1085,3041, 902,2001, # 576 1475, 964,4527, 421,1845,1415,1057,2286, 940,1364,3141, 376,4528,4529,1381, 7, # 592 2527, 983,2383, 336,1710,2684,1846, 321,3461, 559,1131,3042,2752,1809,1132,1313, # 608 265,1481,1858,5049, 352,1203,2826,3280, 167,1089, 420,2827, 776, 792,1724,3568, # 624 4214,2443,3281,5050,4215,5051, 446, 229, 333,2753, 901,3818,1200,1557,4530,2657, # 640 1921, 395,2754,2685,3819,4216,1836, 125, 916,3209,2626,4531,5052,5053,3820,5054, # 656 5055,5056,4532,3142,3691,1133,2555,1757,3462,1510,2318,1409,3569,5057,2146, 438, # 672 2601,2910,2384,3354,1068, 958,3043, 461, 311,2869,2686,4217,1916,3210,4218,1979, # 688 383, 750,2755,2627,4219, 274, 539, 385,1278,1442,5058,1154,1965, 384, 561, 210, # 704 98,1295,2556,3570,5059,1711,2420,1482,3463,3987,2911,1257, 129,5060,3821, 642, # 720 523,2789,2790,2658,5061, 141,2235,1333, 68, 176, 441, 876, 907,4220, 603,2602, # 736 710, 171,3464, 404, 549, 18,3143,2398,1410,3692,1666,5062,3571,4533,2912,4534, # 752 5063,2991, 368,5064, 146, 366, 99, 871,3693,1543, 748, 807,1586,1185, 22,2263, # 768 379,3822,3211,5065,3212, 505,1942,2628,1992,1382,2319,5066, 380,2362, 218, 702, # 784 1818,1248,3465,3044,3572,3355,3282,5067,2992,3694, 930,3283,3823,5068, 59,5069, # 800 585, 601,4221, 497,3466,1112,1314,4535,1802,5070,1223,1472,2177,5071, 749,1837, # 816 690,1900,3824,1773,3988,1476, 429,1043,1791,2236,2117, 917,4222, 447,1086,1629, # 832 5072, 556,5073,5074,2021,1654, 844,1090, 105, 550, 966,1758,2828,1008,1783, 686, # 848 1095,5075,2287, 793,1602,5076,3573,2603,4536,4223,2948,2302,4537,3825, 980,2503, # 864 544, 353, 527,4538, 908,2687,2913,5077, 381,2629,1943,1348,5078,1341,1252, 560, # 880 3095,5079,3467,2870,5080,2054, 973, 886,2081, 143,4539,5081,5082, 157,3989, 496, # 896 4224, 57, 840, 540,2039,4540,4541,3468,2118,1445, 970,2264,1748,1966,2082,4225, # 912 3144,1234,1776,3284,2829,3695, 773,1206,2130,1066,2040,1326,3990,1738,1725,4226, # 928 279,3145, 51,1544,2604, 423,1578,2131,2067, 173,4542,1880,5083,5084,1583, 264, # 944 610,3696,4543,2444, 280, 154,5085,5086,5087,1739, 338,1282,3096, 693,2871,1411, # 960 1074,3826,2445,5088,4544,5089,5090,1240, 952,2399,5091,2914,1538,2688, 685,1483, # 976 4227,2475,1436, 953,4228,2055,4545, 671,2400, 79,4229,2446,3285, 608, 567,2689, # 992 3469,4230,4231,1691, 393,1261,1792,2401,5092,4546,5093,5094,5095,5096,1383,1672, # 1008 3827,3213,1464, 522,1119, 661,1150, 216, 675,4547,3991,1432,3574, 609,4548,2690, # 1024 2402,5097,5098,5099,4232,3045, 0,5100,2476, 315, 231,2447, 301,3356,4549,2385, # 1040 5101, 233,4233,3697,1819,4550,4551,5102, 96,1777,1315,2083,5103, 257,5104,1810, # 1056 3698,2718,1139,1820,4234,2022,1124,2164,2791,1778,2659,5105,3097, 363,1655,3214, # 1072 5106,2993,5107,5108,5109,3992,1567,3993, 718, 103,3215, 849,1443, 341,3357,2949, # 1088 1484,5110,1712, 127, 67, 339,4235,2403, 679,1412, 821,5111,5112, 834, 738, 351, # 1104 2994,2147, 846, 235,1497,1881, 418,1993,3828,2719, 186,1100,2148,2756,3575,1545, # 1120 1355,2950,2872,1377, 583,3994,4236,2581,2995,5113,1298,3699,1078,2557,3700,2363, # 1136 78,3829,3830, 267,1289,2100,2002,1594,4237, 348, 369,1274,2197,2178,1838,4552, # 1152 1821,2830,3701,2757,2288,2003,4553,2951,2758, 144,3358, 882,4554,3995,2759,3470, # 1168 4555,2915,5114,4238,1726, 320,5115,3996,3046, 788,2996,5116,2831,1774,1327,2873, # 1184 3997,2832,5117,1306,4556,2004,1700,3831,3576,2364,2660, 787,2023, 506, 824,3702, # 1200 534, 323,4557,1044,3359,2024,1901, 946,3471,5118,1779,1500,1678,5119,1882,4558, # 1216 165, 243,4559,3703,2528, 123, 683,4239, 764,4560, 36,3998,1793, 589,2916, 816, # 1232 626,1667,3047,2237,1639,1555,1622,3832,3999,5120,4000,2874,1370,1228,1933, 891, # 1248 2084,2917, 304,4240,5121, 292,2997,2720,3577, 691,2101,4241,1115,4561, 118, 662, # 1264 5122, 611,1156, 854,2386,1316,2875, 2, 386, 515,2918,5123,5124,3286, 868,2238, # 1280 1486, 855,2661, 785,2216,3048,5125,1040,3216,3578,5126,3146, 448,5127,1525,5128, # 1296 2165,4562,5129,3833,5130,4242,2833,3579,3147, 503, 818,4001,3148,1568, 814, 676, # 1312 1444, 306,1749,5131,3834,1416,1030, 197,1428, 805,2834,1501,4563,5132,5133,5134, # 1328 1994,5135,4564,5136,5137,2198, 13,2792,3704,2998,3149,1229,1917,5138,3835,2132, # 1344 5139,4243,4565,2404,3580,5140,2217,1511,1727,1120,5141,5142, 646,3836,2448, 307, # 1360 5143,5144,1595,3217,5145,5146,5147,3705,1113,1356,4002,1465,2529,2530,5148, 519, # 1376 5149, 128,2133, 92,2289,1980,5150,4003,1512, 342,3150,2199,5151,2793,2218,1981, # 1392 3360,4244, 290,1656,1317, 789, 827,2365,5152,3837,4566, 562, 581,4004,5153, 401, # 1408 4567,2252, 94,4568,5154,1399,2794,5155,1463,2025,4569,3218,1944,5156, 828,1105, # 1424 4245,1262,1394,5157,4246, 605,4570,5158,1784,2876,5159,2835, 819,2102, 578,2200, # 1440 2952,5160,1502, 436,3287,4247,3288,2836,4005,2919,3472,3473,5161,2721,2320,5162, # 1456 5163,2337,2068, 23,4571, 193, 826,3838,2103, 699,1630,4248,3098, 390,1794,1064, # 1472 3581,5164,1579,3099,3100,1400,5165,4249,1839,1640,2877,5166,4572,4573, 137,4250, # 1488 598,3101,1967, 780, 104, 974,2953,5167, 278, 899, 253, 402, 572, 504, 493,1339, # 1504 5168,4006,1275,4574,2582,2558,5169,3706,3049,3102,2253, 565,1334,2722, 863, 41, # 1520 5170,5171,4575,5172,1657,2338, 19, 463,2760,4251, 606,5173,2999,3289,1087,2085, # 1536 1323,2662,3000,5174,1631,1623,1750,4252,2691,5175,2878, 791,2723,2663,2339, 232, # 1552 2421,5176,3001,1498,5177,2664,2630, 755,1366,3707,3290,3151,2026,1609, 119,1918, # 1568 3474, 862,1026,4253,5178,4007,3839,4576,4008,4577,2265,1952,2477,5179,1125, 817, # 1584 4254,4255,4009,1513,1766,2041,1487,4256,3050,3291,2837,3840,3152,5180,5181,1507, # 1600 5182,2692, 733, 40,1632,1106,2879, 345,4257, 841,2531, 230,4578,3002,1847,3292, # 1616 3475,5183,1263, 986,3476,5184, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562, # 1632 4010,4011,2954, 967,2761,2665,1349, 592,2134,1692,3361,3003,1995,4258,1679,4012, # 1648 1902,2188,5185, 739,3708,2724,1296,1290,5186,4259,2201,2202,1922,1563,2605,2559, # 1664 1871,2762,3004,5187, 435,5188, 343,1108, 596, 17,1751,4579,2239,3477,3709,5189, # 1680 4580, 294,3582,2955,1693, 477, 979, 281,2042,3583, 643,2043,3710,2631,2795,2266, # 1696 1031,2340,2135,2303,3584,4581, 367,1249,2560,5190,3585,5191,4582,1283,3362,2005, # 1712 240,1762,3363,4583,4584, 836,1069,3153, 474,5192,2149,2532, 268,3586,5193,3219, # 1728 1521,1284,5194,1658,1546,4260,5195,3587,3588,5196,4261,3364,2693,1685,4262, 961, # 1744 1673,2632, 190,2006,2203,3841,4585,4586,5197, 570,2504,3711,1490,5198,4587,2633, # 1760 3293,1957,4588, 584,1514, 396,1045,1945,5199,4589,1968,2449,5200,5201,4590,4013, # 1776 619,5202,3154,3294, 215,2007,2796,2561,3220,4591,3221,4592, 763,4263,3842,4593, # 1792 5203,5204,1958,1767,2956,3365,3712,1174, 452,1477,4594,3366,3155,5205,2838,1253, # 1808 2387,2189,1091,2290,4264, 492,5206, 638,1169,1825,2136,1752,4014, 648, 926,1021, # 1824 1324,4595, 520,4596, 997, 847,1007, 892,4597,3843,2267,1872,3713,2405,1785,4598, # 1840 1953,2957,3103,3222,1728,4265,2044,3714,4599,2008,1701,3156,1551, 30,2268,4266, # 1856 5207,2027,4600,3589,5208, 501,5209,4267, 594,3478,2166,1822,3590,3479,3591,3223, # 1872 829,2839,4268,5210,1680,3157,1225,4269,5211,3295,4601,4270,3158,2341,5212,4602, # 1888 4271,5213,4015,4016,5214,1848,2388,2606,3367,5215,4603, 374,4017, 652,4272,4273, # 1904 375,1140, 798,5216,5217,5218,2366,4604,2269, 546,1659, 138,3051,2450,4605,5219, # 1920 2254, 612,1849, 910, 796,3844,1740,1371, 825,3845,3846,5220,2920,2562,5221, 692, # 1936 444,3052,2634, 801,4606,4274,5222,1491, 244,1053,3053,4275,4276, 340,5223,4018, # 1952 1041,3005, 293,1168, 87,1357,5224,1539, 959,5225,2240, 721, 694,4277,3847, 219, # 1968 1478, 644,1417,3368,2666,1413,1401,1335,1389,4019,5226,5227,3006,2367,3159,1826, # 1984 730,1515, 184,2840, 66,4607,5228,1660,2958, 246,3369, 378,1457, 226,3480, 975, # 2000 4020,2959,1264,3592, 674, 696,5229, 163,5230,1141,2422,2167, 713,3593,3370,4608, # 2016 4021,5231,5232,1186, 15,5233,1079,1070,5234,1522,3224,3594, 276,1050,2725, 758, # 2032 1126, 653,2960,3296,5235,2342, 889,3595,4022,3104,3007, 903,1250,4609,4023,3481, # 2048 3596,1342,1681,1718, 766,3297, 286, 89,2961,3715,5236,1713,5237,2607,3371,3008, # 2064 5238,2962,2219,3225,2880,5239,4610,2505,2533, 181, 387,1075,4024, 731,2190,3372, # 2080 5240,3298, 310, 313,3482,2304, 770,4278, 54,3054, 189,4611,3105,3848,4025,5241, # 2096 1230,1617,1850, 355,3597,4279,4612,3373, 111,4280,3716,1350,3160,3483,3055,4281, # 2112 2150,3299,3598,5242,2797,4026,4027,3009, 722,2009,5243,1071, 247,1207,2343,2478, # 2128 1378,4613,2010, 864,1437,1214,4614, 373,3849,1142,2220, 667,4615, 442,2763,2563, # 2144 3850,4028,1969,4282,3300,1840, 837, 170,1107, 934,1336,1883,5244,5245,2119,4283, # 2160 2841, 743,1569,5246,4616,4284, 582,2389,1418,3484,5247,1803,5248, 357,1395,1729, # 2176 3717,3301,2423,1564,2241,5249,3106,3851,1633,4617,1114,2086,4285,1532,5250, 482, # 2192 2451,4618,5251,5252,1492, 833,1466,5253,2726,3599,1641,2842,5254,1526,1272,3718, # 2208 4286,1686,1795, 416,2564,1903,1954,1804,5255,3852,2798,3853,1159,2321,5256,2881, # 2224 4619,1610,1584,3056,2424,2764, 443,3302,1163,3161,5257,5258,4029,5259,4287,2506, # 2240 3057,4620,4030,3162,2104,1647,3600,2011,1873,4288,5260,4289, 431,3485,5261, 250, # 2256 97, 81,4290,5262,1648,1851,1558, 160, 848,5263, 866, 740,1694,5264,2204,2843, # 2272 3226,4291,4621,3719,1687, 950,2479, 426, 469,3227,3720,3721,4031,5265,5266,1188, # 2288 424,1996, 861,3601,4292,3854,2205,2694, 168,1235,3602,4293,5267,2087,1674,4622, # 2304 3374,3303, 220,2565,1009,5268,3855, 670,3010, 332,1208, 717,5269,5270,3603,2452, # 2320 4032,3375,5271, 513,5272,1209,2882,3376,3163,4623,1080,5273,5274,5275,5276,2534, # 2336 3722,3604, 815,1587,4033,4034,5277,3605,3486,3856,1254,4624,1328,3058,1390,4035, # 2352 1741,4036,3857,4037,5278, 236,3858,2453,3304,5279,5280,3723,3859,1273,3860,4625, # 2368 5281, 308,5282,4626, 245,4627,1852,2480,1307,2583, 430, 715,2137,2454,5283, 270, # 2384 199,2883,4038,5284,3606,2727,1753, 761,1754, 725,1661,1841,4628,3487,3724,5285, # 2400 5286, 587, 14,3305, 227,2608, 326, 480,2270, 943,2765,3607, 291, 650,1884,5287, # 2416 1702,1226, 102,1547, 62,3488, 904,4629,3489,1164,4294,5288,5289,1224,1548,2766, # 2432 391, 498,1493,5290,1386,1419,5291,2056,1177,4630, 813, 880,1081,2368, 566,1145, # 2448 4631,2291,1001,1035,2566,2609,2242, 394,1286,5292,5293,2069,5294, 86,1494,1730, # 2464 4039, 491,1588, 745, 897,2963, 843,3377,4040,2767,2884,3306,1768, 998,2221,2070, # 2480 397,1827,1195,1970,3725,3011,3378, 284,5295,3861,2507,2138,2120,1904,5296,4041, # 2496 2151,4042,4295,1036,3490,1905, 114,2567,4296, 209,1527,5297,5298,2964,2844,2635, # 2512 2390,2728,3164, 812,2568,5299,3307,5300,1559, 737,1885,3726,1210, 885, 28,2695, # 2528 3608,3862,5301,4297,1004,1780,4632,5302, 346,1982,2222,2696,4633,3863,1742, 797, # 2544 1642,4043,1934,1072,1384,2152, 896,4044,3308,3727,3228,2885,3609,5303,2569,1959, # 2560 4634,2455,1786,5304,5305,5306,4045,4298,1005,1308,3728,4299,2729,4635,4636,1528, # 2576 2610, 161,1178,4300,1983, 987,4637,1101,4301, 631,4046,1157,3229,2425,1343,1241, # 2592 1016,2243,2570, 372, 877,2344,2508,1160, 555,1935, 911,4047,5307, 466,1170, 169, # 2608 1051,2921,2697,3729,2481,3012,1182,2012,2571,1251,2636,5308, 992,2345,3491,1540, # 2624 2730,1201,2071,2406,1997,2482,5309,4638, 528,1923,2191,1503,1874,1570,2369,3379, # 2640 3309,5310, 557,1073,5311,1828,3492,2088,2271,3165,3059,3107, 767,3108,2799,4639, # 2656 1006,4302,4640,2346,1267,2179,3730,3230, 778,4048,3231,2731,1597,2667,5312,4641, # 2672 5313,3493,5314,5315,5316,3310,2698,1433,3311, 131, 95,1504,4049, 723,4303,3166, # 2688 1842,3610,2768,2192,4050,2028,2105,3731,5317,3013,4051,1218,5318,3380,3232,4052, # 2704 4304,2584, 248,1634,3864, 912,5319,2845,3732,3060,3865, 654, 53,5320,3014,5321, # 2720 1688,4642, 777,3494,1032,4053,1425,5322, 191, 820,2121,2846, 971,4643, 931,3233, # 2736 135, 664, 783,3866,1998, 772,2922,1936,4054,3867,4644,2923,3234, 282,2732, 640, # 2752 1372,3495,1127, 922, 325,3381,5323,5324, 711,2045,5325,5326,4055,2223,2800,1937, # 2768 4056,3382,2224,2255,3868,2305,5327,4645,3869,1258,3312,4057,3235,2139,2965,4058, # 2784 4059,5328,2225, 258,3236,4646, 101,1227,5329,3313,1755,5330,1391,3314,5331,2924, # 2800 2057, 893,5332,5333,5334,1402,4305,2347,5335,5336,3237,3611,5337,5338, 878,1325, # 2816 1781,2801,4647, 259,1385,2585, 744,1183,2272,4648,5339,4060,2509,5340, 684,1024, # 2832 4306,5341, 472,3612,3496,1165,3315,4061,4062, 322,2153, 881, 455,1695,1152,1340, # 2848 660, 554,2154,4649,1058,4650,4307, 830,1065,3383,4063,4651,1924,5342,1703,1919, # 2864 5343, 932,2273, 122,5344,4652, 947, 677,5345,3870,2637, 297,1906,1925,2274,4653, # 2880 2322,3316,5346,5347,4308,5348,4309, 84,4310, 112, 989,5349, 547,1059,4064, 701, # 2896 3613,1019,5350,4311,5351,3497, 942, 639, 457,2306,2456, 993,2966, 407, 851, 494, # 2912 4654,3384, 927,5352,1237,5353,2426,3385, 573,4312, 680, 921,2925,1279,1875, 285, # 2928 790,1448,1984, 719,2168,5354,5355,4655,4065,4066,1649,5356,1541, 563,5357,1077, # 2944 5358,3386,3061,3498, 511,3015,4067,4068,3733,4069,1268,2572,3387,3238,4656,4657, # 2960 5359, 535,1048,1276,1189,2926,2029,3167,1438,1373,2847,2967,1134,2013,5360,4313, # 2976 1238,2586,3109,1259,5361, 700,5362,2968,3168,3734,4314,5363,4315,1146,1876,1907, # 2992 4658,2611,4070, 781,2427, 132,1589, 203, 147, 273,2802,2407, 898,1787,2155,4071, # 3008 4072,5364,3871,2803,5365,5366,4659,4660,5367,3239,5368,1635,3872, 965,5369,1805, # 3024 2699,1516,3614,1121,1082,1329,3317,4073,1449,3873, 65,1128,2848,2927,2769,1590, # 3040 3874,5370,5371, 12,2668, 45, 976,2587,3169,4661, 517,2535,1013,1037,3240,5372, # 3056 3875,2849,5373,3876,5374,3499,5375,2612, 614,1999,2323,3877,3110,2733,2638,5376, # 3072 2588,4316, 599,1269,5377,1811,3735,5378,2700,3111, 759,1060, 489,1806,3388,3318, # 3088 1358,5379,5380,2391,1387,1215,2639,2256, 490,5381,5382,4317,1759,2392,2348,5383, # 3104 4662,3878,1908,4074,2640,1807,3241,4663,3500,3319,2770,2349, 874,5384,5385,3501, # 3120 3736,1859, 91,2928,3737,3062,3879,4664,5386,3170,4075,2669,5387,3502,1202,1403, # 3136 3880,2969,2536,1517,2510,4665,3503,2511,5388,4666,5389,2701,1886,1495,1731,4076, # 3152 2370,4667,5390,2030,5391,5392,4077,2702,1216, 237,2589,4318,2324,4078,3881,4668, # 3168 4669,2703,3615,3504, 445,4670,5393,5394,5395,5396,2771, 61,4079,3738,1823,4080, # 3184 5397, 687,2046, 935, 925, 405,2670, 703,1096,1860,2734,4671,4081,1877,1367,2704, # 3200 3389, 918,2106,1782,2483, 334,3320,1611,1093,4672, 564,3171,3505,3739,3390, 945, # 3216 2641,2058,4673,5398,1926, 872,4319,5399,3506,2705,3112, 349,4320,3740,4082,4674, # 3232 3882,4321,3741,2156,4083,4675,4676,4322,4677,2408,2047, 782,4084, 400, 251,4323, # 3248 1624,5400,5401, 277,3742, 299,1265, 476,1191,3883,2122,4324,4325,1109, 205,5402, # 3264 2590,1000,2157,3616,1861,5403,5404,5405,4678,5406,4679,2573, 107,2484,2158,4085, # 3280 3507,3172,5407,1533, 541,1301, 158, 753,4326,2886,3617,5408,1696, 370,1088,4327, # 3296 4680,3618, 579, 327, 440, 162,2244, 269,1938,1374,3508, 968,3063, 56,1396,3113, # 3312 2107,3321,3391,5409,1927,2159,4681,3016,5410,3619,5411,5412,3743,4682,2485,5413, # 3328 2804,5414,1650,4683,5415,2613,5416,5417,4086,2671,3392,1149,3393,4087,3884,4088, # 3344 5418,1076, 49,5419, 951,3242,3322,3323, 450,2850, 920,5420,1812,2805,2371,4328, # 3360 1909,1138,2372,3885,3509,5421,3243,4684,1910,1147,1518,2428,4685,3886,5422,4686, # 3376 2393,2614, 260,1796,3244,5423,5424,3887,3324, 708,5425,3620,1704,5426,3621,1351, # 3392 1618,3394,3017,1887, 944,4329,3395,4330,3064,3396,4331,5427,3744, 422, 413,1714, # 3408 3325, 500,2059,2350,4332,2486,5428,1344,1911, 954,5429,1668,5430,5431,4089,2409, # 3424 4333,3622,3888,4334,5432,2307,1318,2512,3114, 133,3115,2887,4687, 629, 31,2851, # 3440 2706,3889,4688, 850, 949,4689,4090,2970,1732,2089,4335,1496,1853,5433,4091, 620, # 3456 3245, 981,1242,3745,3397,1619,3746,1643,3326,2140,2457,1971,1719,3510,2169,5434, # 3472 3246,5435,5436,3398,1829,5437,1277,4690,1565,2048,5438,1636,3623,3116,5439, 869, # 3488 2852, 655,3890,3891,3117,4092,3018,3892,1310,3624,4691,5440,5441,5442,1733, 558, # 3504 4692,3747, 335,1549,3065,1756,4336,3748,1946,3511,1830,1291,1192, 470,2735,2108, # 3520 2806, 913,1054,4093,5443,1027,5444,3066,4094,4693, 982,2672,3399,3173,3512,3247, # 3536 3248,1947,2807,5445, 571,4694,5446,1831,5447,3625,2591,1523,2429,5448,2090, 984, # 3552 4695,3749,1960,5449,3750, 852, 923,2808,3513,3751, 969,1519, 999,2049,2325,1705, # 3568 5450,3118, 615,1662, 151, 597,4095,2410,2326,1049, 275,4696,3752,4337, 568,3753, # 3584 3626,2487,4338,3754,5451,2430,2275, 409,3249,5452,1566,2888,3514,1002, 769,2853, # 3600 194,2091,3174,3755,2226,3327,4339, 628,1505,5453,5454,1763,2180,3019,4096, 521, # 3616 1161,2592,1788,2206,2411,4697,4097,1625,4340,4341, 412, 42,3119, 464,5455,2642, # 3632 4698,3400,1760,1571,2889,3515,2537,1219,2207,3893,2643,2141,2373,4699,4700,3328, # 3648 1651,3401,3627,5456,5457,3628,2488,3516,5458,3756,5459,5460,2276,2092, 460,5461, # 3664 4701,5462,3020, 962, 588,3629, 289,3250,2644,1116, 52,5463,3067,1797,5464,5465, # 3680 5466,1467,5467,1598,1143,3757,4342,1985,1734,1067,4702,1280,3402, 465,4703,1572, # 3696 510,5468,1928,2245,1813,1644,3630,5469,4704,3758,5470,5471,2673,1573,1534,5472, # 3712 5473, 536,1808,1761,3517,3894,3175,2645,5474,5475,5476,4705,3518,2929,1912,2809, # 3728 5477,3329,1122, 377,3251,5478, 360,5479,5480,4343,1529, 551,5481,2060,3759,1769, # 3744 2431,5482,2930,4344,3330,3120,2327,2109,2031,4706,1404, 136,1468,1479, 672,1171, # 3760 3252,2308, 271,3176,5483,2772,5484,2050, 678,2736, 865,1948,4707,5485,2014,4098, # 3776 2971,5486,2737,2227,1397,3068,3760,4708,4709,1735,2931,3403,3631,5487,3895, 509, # 3792 2854,2458,2890,3896,5488,5489,3177,3178,4710,4345,2538,4711,2309,1166,1010, 552, # 3808 681,1888,5490,5491,2972,2973,4099,1287,1596,1862,3179, 358, 453, 736, 175, 478, # 3824 1117, 905,1167,1097,5492,1854,1530,5493,1706,5494,2181,3519,2292,3761,3520,3632, # 3840 4346,2093,4347,5495,3404,1193,2489,4348,1458,2193,2208,1863,1889,1421,3331,2932, # 3856 3069,2182,3521, 595,2123,5496,4100,5497,5498,4349,1707,2646, 223,3762,1359, 751, # 3872 3121, 183,3522,5499,2810,3021, 419,2374, 633, 704,3897,2394, 241,5500,5501,5502, # 3888 838,3022,3763,2277,2773,2459,3898,1939,2051,4101,1309,3122,2246,1181,5503,1136, # 3904 2209,3899,2375,1446,4350,2310,4712,5504,5505,4351,1055,2615, 484,3764,5506,4102, # 3920 625,4352,2278,3405,1499,4353,4103,5507,4104,4354,3253,2279,2280,3523,5508,5509, # 3936 2774, 808,2616,3765,3406,4105,4355,3123,2539, 526,3407,3900,4356, 955,5510,1620, # 3952 4357,2647,2432,5511,1429,3766,1669,1832, 994, 928,5512,3633,1260,5513,5514,5515, # 3968 1949,2293, 741,2933,1626,4358,2738,2460, 867,1184, 362,3408,1392,5516,5517,4106, # 3984 4359,1770,1736,3254,2934,4713,4714,1929,2707,1459,1158,5518,3070,3409,2891,1292, # 4000 1930,2513,2855,3767,1986,1187,2072,2015,2617,4360,5519,2574,2514,2170,3768,2490, # 4016 3332,5520,3769,4715,5521,5522, 666,1003,3023,1022,3634,4361,5523,4716,1814,2257, # 4032 574,3901,1603, 295,1535, 705,3902,4362, 283, 858, 417,5524,5525,3255,4717,4718, # 4048 3071,1220,1890,1046,2281,2461,4107,1393,1599, 689,2575, 388,4363,5526,2491, 802, # 4064 5527,2811,3903,2061,1405,2258,5528,4719,3904,2110,1052,1345,3256,1585,5529, 809, # 4080 5530,5531,5532, 575,2739,3524, 956,1552,1469,1144,2328,5533,2329,1560,2462,3635, # 4096 3257,4108, 616,2210,4364,3180,2183,2294,5534,1833,5535,3525,4720,5536,1319,3770, # 4112 3771,1211,3636,1023,3258,1293,2812,5537,5538,5539,3905, 607,2311,3906, 762,2892, # 4128 1439,4365,1360,4721,1485,3072,5540,4722,1038,4366,1450,2062,2648,4367,1379,4723, # 4144 2593,5541,5542,4368,1352,1414,2330,2935,1172,5543,5544,3907,3908,4724,1798,1451, # 4160 5545,5546,5547,5548,2936,4109,4110,2492,2351, 411,4111,4112,3637,3333,3124,4725, # 4176 1561,2674,1452,4113,1375,5549,5550, 47,2974, 316,5551,1406,1591,2937,3181,5552, # 4192 1025,2142,3125,3182, 354,2740, 884,2228,4369,2412, 508,3772, 726,3638, 996,2433, # 4208 3639, 729,5553, 392,2194,1453,4114,4726,3773,5554,5555,2463,3640,2618,1675,2813, # 4224 919,2352,2975,2353,1270,4727,4115, 73,5556,5557, 647,5558,3259,2856,2259,1550, # 4240 1346,3024,5559,1332, 883,3526,5560,5561,5562,5563,3334,2775,5564,1212, 831,1347, # 4256 4370,4728,2331,3909,1864,3073, 720,3910,4729,4730,3911,5565,4371,5566,5567,4731, # 4272 5568,5569,1799,4732,3774,2619,4733,3641,1645,2376,4734,5570,2938, 669,2211,2675, # 4288 2434,5571,2893,5572,5573,1028,3260,5574,4372,2413,5575,2260,1353,5576,5577,4735, # 4304 3183, 518,5578,4116,5579,4373,1961,5580,2143,4374,5581,5582,3025,2354,2355,3912, # 4320 516,1834,1454,4117,2708,4375,4736,2229,2620,1972,1129,3642,5583,2776,5584,2976, # 4336 1422, 577,1470,3026,1524,3410,5585,5586, 432,4376,3074,3527,5587,2594,1455,2515, # 4352 2230,1973,1175,5588,1020,2741,4118,3528,4737,5589,2742,5590,1743,1361,3075,3529, # 4368 2649,4119,4377,4738,2295, 895, 924,4378,2171, 331,2247,3076, 166,1627,3077,1098, # 4384 5591,1232,2894,2231,3411,4739, 657, 403,1196,2377, 542,3775,3412,1600,4379,3530, # 4400 5592,4740,2777,3261, 576, 530,1362,4741,4742,2540,2676,3776,4120,5593, 842,3913, # 4416 5594,2814,2032,1014,4121, 213,2709,3413, 665, 621,4380,5595,3777,2939,2435,5596, # 4432 2436,3335,3643,3414,4743,4381,2541,4382,4744,3644,1682,4383,3531,1380,5597, 724, # 4448 2282, 600,1670,5598,1337,1233,4745,3126,2248,5599,1621,4746,5600, 651,4384,5601, # 4464 1612,4385,2621,5602,2857,5603,2743,2312,3078,5604, 716,2464,3079, 174,1255,2710, # 4480 4122,3645, 548,1320,1398, 728,4123,1574,5605,1891,1197,3080,4124,5606,3081,3082, # 4496 3778,3646,3779, 747,5607, 635,4386,4747,5608,5609,5610,4387,5611,5612,4748,5613, # 4512 3415,4749,2437, 451,5614,3780,2542,2073,4388,2744,4389,4125,5615,1764,4750,5616, # 4528 4390, 350,4751,2283,2395,2493,5617,4391,4126,2249,1434,4127, 488,4752, 458,4392, # 4544 4128,3781, 771,1330,2396,3914,2576,3184,2160,2414,1553,2677,3185,4393,5618,2494, # 4560 2895,2622,1720,2711,4394,3416,4753,5619,2543,4395,5620,3262,4396,2778,5621,2016, # 4576 2745,5622,1155,1017,3782,3915,5623,3336,2313, 201,1865,4397,1430,5624,4129,5625, # 4592 5626,5627,5628,5629,4398,1604,5630, 414,1866, 371,2595,4754,4755,3532,2017,3127, # 4608 4756,1708, 960,4399, 887, 389,2172,1536,1663,1721,5631,2232,4130,2356,2940,1580, # 4624 5632,5633,1744,4757,2544,4758,4759,5634,4760,5635,2074,5636,4761,3647,3417,2896, # 4640 4400,5637,4401,2650,3418,2815, 673,2712,2465, 709,3533,4131,3648,4402,5638,1148, # 4656 502, 634,5639,5640,1204,4762,3649,1575,4763,2623,3783,5641,3784,3128, 948,3263, # 4672 121,1745,3916,1110,5642,4403,3083,2516,3027,4132,3785,1151,1771,3917,1488,4133, # 4688 1987,5643,2438,3534,5644,5645,2094,5646,4404,3918,1213,1407,2816, 531,2746,2545, # 4704 3264,1011,1537,4764,2779,4405,3129,1061,5647,3786,3787,1867,2897,5648,2018, 120, # 4720 4406,4407,2063,3650,3265,2314,3919,2678,3419,1955,4765,4134,5649,3535,1047,2713, # 4736 1266,5650,1368,4766,2858, 649,3420,3920,2546,2747,1102,2859,2679,5651,5652,2000, # 4752 5653,1111,3651,2977,5654,2495,3921,3652,2817,1855,3421,3788,5655,5656,3422,2415, # 4768 2898,3337,3266,3653,5657,2577,5658,3654,2818,4135,1460, 856,5659,3655,5660,2899, # 4784 2978,5661,2900,3922,5662,4408, 632,2517, 875,3923,1697,3924,2296,5663,5664,4767, # 4800 3028,1239, 580,4768,4409,5665, 914, 936,2075,1190,4136,1039,2124,5666,5667,5668, # 4816 5669,3423,1473,5670,1354,4410,3925,4769,2173,3084,4137, 915,3338,4411,4412,3339, # 4832 1605,1835,5671,2748, 398,3656,4413,3926,4138, 328,1913,2860,4139,3927,1331,4414, # 4848 3029, 937,4415,5672,3657,4140,4141,3424,2161,4770,3425, 524, 742, 538,3085,1012, # 4864 5673,5674,3928,2466,5675, 658,1103, 225,3929,5676,5677,4771,5678,4772,5679,3267, # 4880 1243,5680,4142, 963,2250,4773,5681,2714,3658,3186,5682,5683,2596,2332,5684,4774, # 4896 5685,5686,5687,3536, 957,3426,2547,2033,1931,2941,2467, 870,2019,3659,1746,2780, # 4912 2781,2439,2468,5688,3930,5689,3789,3130,3790,3537,3427,3791,5690,1179,3086,5691, # 4928 3187,2378,4416,3792,2548,3188,3131,2749,4143,5692,3428,1556,2549,2297, 977,2901, # 4944 2034,4144,1205,3429,5693,1765,3430,3189,2125,1271, 714,1689,4775,3538,5694,2333, # 4960 3931, 533,4417,3660,2184, 617,5695,2469,3340,3539,2315,5696,5697,3190,5698,5699, # 4976 3932,1988, 618, 427,2651,3540,3431,5700,5701,1244,1690,5702,2819,4418,4776,5703, # 4992 3541,4777,5704,2284,1576, 473,3661,4419,3432, 972,5705,3662,5706,3087,5707,5708, # 5008 4778,4779,5709,3793,4145,4146,5710, 153,4780, 356,5711,1892,2902,4420,2144, 408, # 5024 803,2357,5712,3933,5713,4421,1646,2578,2518,4781,4782,3934,5714,3935,4422,5715, # 5040 2416,3433, 752,5716,5717,1962,3341,2979,5718, 746,3030,2470,4783,4423,3794, 698, # 5056 4784,1893,4424,3663,2550,4785,3664,3936,5719,3191,3434,5720,1824,1302,4147,2715, # 5072 3937,1974,4425,5721,4426,3192, 823,1303,1288,1236,2861,3542,4148,3435, 774,3938, # 5088 5722,1581,4786,1304,2862,3939,4787,5723,2440,2162,1083,3268,4427,4149,4428, 344, # 5104 1173, 288,2316, 454,1683,5724,5725,1461,4788,4150,2597,5726,5727,4789, 985, 894, # 5120 5728,3436,3193,5729,1914,2942,3795,1989,5730,2111,1975,5731,4151,5732,2579,1194, # 5136 425,5733,4790,3194,1245,3796,4429,5734,5735,2863,5736, 636,4791,1856,3940, 760, # 5152 1800,5737,4430,2212,1508,4792,4152,1894,1684,2298,5738,5739,4793,4431,4432,2213, # 5168 479,5740,5741, 832,5742,4153,2496,5743,2980,2497,3797, 990,3132, 627,1815,2652, # 5184 4433,1582,4434,2126,2112,3543,4794,5744, 799,4435,3195,5745,4795,2113,1737,3031, # 5200 1018, 543, 754,4436,3342,1676,4796,4797,4154,4798,1489,5746,3544,5747,2624,2903, # 5216 4155,5748,5749,2981,5750,5751,5752,5753,3196,4799,4800,2185,1722,5754,3269,3270, # 5232 1843,3665,1715, 481, 365,1976,1857,5755,5756,1963,2498,4801,5757,2127,3666,3271, # 5248 433,1895,2064,2076,5758, 602,2750,5759,5760,5761,5762,5763,3032,1628,3437,5764, # 5264 3197,4802,4156,2904,4803,2519,5765,2551,2782,5766,5767,5768,3343,4804,2905,5769, # 5280 4805,5770,2864,4806,4807,1221,2982,4157,2520,5771,5772,5773,1868,1990,5774,5775, # 5296 5776,1896,5777,5778,4808,1897,4158, 318,5779,2095,4159,4437,5780,5781, 485,5782, # 5312 938,3941, 553,2680, 116,5783,3942,3667,5784,3545,2681,2783,3438,3344,2820,5785, # 5328 3668,2943,4160,1747,2944,2983,5786,5787, 207,5788,4809,5789,4810,2521,5790,3033, # 5344 890,3669,3943,5791,1878,3798,3439,5792,2186,2358,3440,1652,5793,5794,5795, 941, # 5360 2299, 208,3546,4161,2020, 330,4438,3944,2906,2499,3799,4439,4811,5796,5797,5798, # 5376 ) _vendor/chardet/big5prober.py 0000644 00000003335 15114542002 0012222 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import Big5DistributionAnalysis from .mbcssm import BIG5_SM_MODEL class Big5Prober(MultiByteCharSetProber): def __init__(self): super(Big5Prober, self).__init__() self.coding_sm = CodingStateMachine(BIG5_SM_MODEL) self.distribution_analyzer = Big5DistributionAnalysis() self.reset() @property def charset_name(self): return "Big5" @property def language(self): return "Chinese" _vendor/chardet/chardistribution.py 0000644 00000022303 15114542002 0013533 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .euctwfreq import (EUCTW_CHAR_TO_FREQ_ORDER, EUCTW_TABLE_SIZE, EUCTW_TYPICAL_DISTRIBUTION_RATIO) from .euckrfreq import (EUCKR_CHAR_TO_FREQ_ORDER, EUCKR_TABLE_SIZE, EUCKR_TYPICAL_DISTRIBUTION_RATIO) from .gb2312freq import (GB2312_CHAR_TO_FREQ_ORDER, GB2312_TABLE_SIZE, GB2312_TYPICAL_DISTRIBUTION_RATIO) from .big5freq import (BIG5_CHAR_TO_FREQ_ORDER, BIG5_TABLE_SIZE, BIG5_TYPICAL_DISTRIBUTION_RATIO) from .jisfreq import (JIS_CHAR_TO_FREQ_ORDER, JIS_TABLE_SIZE, JIS_TYPICAL_DISTRIBUTION_RATIO) class CharDistributionAnalysis(object): ENOUGH_DATA_THRESHOLD = 1024 SURE_YES = 0.99 SURE_NO = 0.01 MINIMUM_DATA_THRESHOLD = 3 def __init__(self): # Mapping table to get frequency order from char order (get from # GetOrder()) self._char_to_freq_order = None self._table_size = None # Size of above table # This is a constant value which varies from language to language, # used in calculating confidence. See # http://www.mozilla.org/projects/intl/UniversalCharsetDetection.html # for further detail. self.typical_distribution_ratio = None self._done = None self._total_chars = None self._freq_chars = None self.reset() def reset(self): """reset analyser, clear any state""" # If this flag is set to True, detection is done and conclusion has # been made self._done = False self._total_chars = 0 # Total characters encountered # The number of characters whose frequency order is less than 512 self._freq_chars = 0 def feed(self, char, char_len): """feed a character with known length""" if char_len == 2: # we only care about 2-bytes character in our distribution analysis order = self.get_order(char) else: order = -1 if order >= 0: self._total_chars += 1 # order is valid if order < self._table_size: if 512 > self._char_to_freq_order[order]: self._freq_chars += 1 def get_confidence(self): """return confidence based on existing data""" # if we didn't receive any character in our consideration range, # return negative answer if self._total_chars <= 0 or self._freq_chars <= self.MINIMUM_DATA_THRESHOLD: return self.SURE_NO if self._total_chars != self._freq_chars: r = (self._freq_chars / ((self._total_chars - self._freq_chars) * self.typical_distribution_ratio)) if r < self.SURE_YES: return r # normalize confidence (we don't want to be 100% sure) return self.SURE_YES def got_enough_data(self): # It is not necessary to receive all data to draw conclusion. # For charset detection, certain amount of data is enough return self._total_chars > self.ENOUGH_DATA_THRESHOLD def get_order(self, byte_str): # We do not handle characters based on the original encoding string, # but convert this encoding string to a number, here called order. # This allows multiple encodings of a language to share one frequency # table. return -1 class EUCTWDistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(EUCTWDistributionAnalysis, self).__init__() self._char_to_freq_order = EUCTW_CHAR_TO_FREQ_ORDER self._table_size = EUCTW_TABLE_SIZE self.typical_distribution_ratio = EUCTW_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for euc-TW encoding, we are interested # first byte range: 0xc4 -- 0xfe # second byte range: 0xa1 -- 0xfe # no validation needed here. State machine has done that first_char = byte_str[0] if first_char >= 0xC4: return 94 * (first_char - 0xC4) + byte_str[1] - 0xA1 else: return -1 class EUCKRDistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(EUCKRDistributionAnalysis, self).__init__() self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER self._table_size = EUCKR_TABLE_SIZE self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for euc-KR encoding, we are interested # first byte range: 0xb0 -- 0xfe # second byte range: 0xa1 -- 0xfe # no validation needed here. State machine has done that first_char = byte_str[0] if first_char >= 0xB0: return 94 * (first_char - 0xB0) + byte_str[1] - 0xA1 else: return -1 class GB2312DistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(GB2312DistributionAnalysis, self).__init__() self._char_to_freq_order = GB2312_CHAR_TO_FREQ_ORDER self._table_size = GB2312_TABLE_SIZE self.typical_distribution_ratio = GB2312_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for GB2312 encoding, we are interested # first byte range: 0xb0 -- 0xfe # second byte range: 0xa1 -- 0xfe # no validation needed here. State machine has done that first_char, second_char = byte_str[0], byte_str[1] if (first_char >= 0xB0) and (second_char >= 0xA1): return 94 * (first_char - 0xB0) + second_char - 0xA1 else: return -1 class Big5DistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(Big5DistributionAnalysis, self).__init__() self._char_to_freq_order = BIG5_CHAR_TO_FREQ_ORDER self._table_size = BIG5_TABLE_SIZE self.typical_distribution_ratio = BIG5_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for big5 encoding, we are interested # first byte range: 0xa4 -- 0xfe # second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe # no validation needed here. State machine has done that first_char, second_char = byte_str[0], byte_str[1] if first_char >= 0xA4: if second_char >= 0xA1: return 157 * (first_char - 0xA4) + second_char - 0xA1 + 63 else: return 157 * (first_char - 0xA4) + second_char - 0x40 else: return -1 class SJISDistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(SJISDistributionAnalysis, self).__init__() self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER self._table_size = JIS_TABLE_SIZE self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for sjis encoding, we are interested # first byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe # second byte range: 0x40 -- 0x7e, 0x81 -- oxfe # no validation needed here. State machine has done that first_char, second_char = byte_str[0], byte_str[1] if (first_char >= 0x81) and (first_char <= 0x9F): order = 188 * (first_char - 0x81) elif (first_char >= 0xE0) and (first_char <= 0xEF): order = 188 * (first_char - 0xE0 + 31) else: return -1 order = order + second_char - 0x40 if second_char > 0x7F: order = -1 return order class EUCJPDistributionAnalysis(CharDistributionAnalysis): def __init__(self): super(EUCJPDistributionAnalysis, self).__init__() self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER self._table_size = JIS_TABLE_SIZE self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO def get_order(self, byte_str): # for euc-JP encoding, we are interested # first byte range: 0xa0 -- 0xfe # second byte range: 0xa1 -- 0xfe # no validation needed here. State machine has done that char = byte_str[0] if char >= 0xA0: return 94 * (char - 0xA1) + byte_str[1] - 0xa1 else: return -1 _vendor/chardet/charsetgroupprober.py 0000644 00000007377 15114542002 0014114 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .enums import ProbingState from .charsetprober import CharSetProber class CharSetGroupProber(CharSetProber): def __init__(self, lang_filter=None): super(CharSetGroupProber, self).__init__(lang_filter=lang_filter) self._active_num = 0 self.probers = [] self._best_guess_prober = None def reset(self): super(CharSetGroupProber, self).reset() self._active_num = 0 for prober in self.probers: if prober: prober.reset() prober.active = True self._active_num += 1 self._best_guess_prober = None @property def charset_name(self): if not self._best_guess_prober: self.get_confidence() if not self._best_guess_prober: return None return self._best_guess_prober.charset_name @property def language(self): if not self._best_guess_prober: self.get_confidence() if not self._best_guess_prober: return None return self._best_guess_prober.language def feed(self, byte_str): for prober in self.probers: if not prober: continue if not prober.active: continue state = prober.feed(byte_str) if not state: continue if state == ProbingState.FOUND_IT: self._best_guess_prober = prober self._state = ProbingState.FOUND_IT return self.state elif state == ProbingState.NOT_ME: prober.active = False self._active_num -= 1 if self._active_num <= 0: self._state = ProbingState.NOT_ME return self.state return self.state def get_confidence(self): state = self.state if state == ProbingState.FOUND_IT: return 0.99 elif state == ProbingState.NOT_ME: return 0.01 best_conf = 0.0 self._best_guess_prober = None for prober in self.probers: if not prober: continue if not prober.active: self.logger.debug('%s not active', prober.charset_name) continue conf = prober.get_confidence() self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf) if best_conf < conf: best_conf = conf self._best_guess_prober = prober if not self._best_guess_prober: return 0.0 return best_conf _vendor/chardet/charsetprober.py 0000644 00000011766 15114542002 0013034 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### import logging import re from .enums import ProbingState class CharSetProber(object): SHORTCUT_THRESHOLD = 0.95 def __init__(self, lang_filter=None): self._state = None self.lang_filter = lang_filter self.logger = logging.getLogger(__name__) def reset(self): self._state = ProbingState.DETECTING @property def charset_name(self): return None def feed(self, buf): pass @property def state(self): return self._state def get_confidence(self): return 0.0 @staticmethod def filter_high_byte_only(buf): buf = re.sub(b'([\x00-\x7F])+', b' ', buf) return buf @staticmethod def filter_international_words(buf): """ We define three types of bytes: alphabet: english alphabets [a-zA-Z] international: international characters [\x80-\xFF] marker: everything else [^a-zA-Z\x80-\xFF] The input buffer can be thought to contain a series of words delimited by markers. This function works to filter all words that contain at least one international character. All contiguous sequences of markers are replaced by a single space ascii character. This filter applies to all scripts which do not use English characters. """ filtered = bytearray() # This regex expression filters out only words that have at-least one # international character. The word may include one marker character at # the end. words = re.findall(b'[a-zA-Z]*[\x80-\xFF]+[a-zA-Z]*[^a-zA-Z\x80-\xFF]?', buf) for word in words: filtered.extend(word[:-1]) # If the last character in the word is a marker, replace it with a # space as markers shouldn't affect our analysis (they are used # similarly across all languages and may thus have similar # frequencies). last_char = word[-1:] if not last_char.isalpha() and last_char < b'\x80': last_char = b' ' filtered.extend(last_char) return filtered @staticmethod def filter_with_english_letters(buf): """ Returns a copy of ``buf`` that retains only the sequences of English alphabet and high byte characters that are not between <> characters. Also retains English alphabet and high byte characters immediately before occurrences of >. This filter can be applied to all scripts which contain both English characters and extended ASCII characters, but is currently only used by ``Latin1Prober``. """ filtered = bytearray() in_tag = False prev = 0 for curr in range(len(buf)): # Slice here to get bytes instead of an int with Python 3 buf_char = buf[curr:curr + 1] # Check if we're coming out of or entering an HTML tag if buf_char == b'>': in_tag = False elif buf_char == b'<': in_tag = True # If current character is not extended-ASCII and not alphabetic... if buf_char < b'\x80' and not buf_char.isalpha(): # ...and we're not in a tag if curr > prev and not in_tag: # Keep everything after last non-extended-ASCII, # non-alphabetic character filtered.extend(buf[prev:curr]) # Output a space to delimit stretch we kept filtered.extend(b' ') prev = curr + 1 # If we're not in a tag... if not in_tag: # Keep everything after last non-extended-ASCII, non-alphabetic # character filtered.extend(buf[prev:]) return filtered _vendor/chardet/codingstatemachine.py 0000644 00000007006 15114542002 0014012 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### import logging from .enums import MachineState class CodingStateMachine(object): """ A state machine to verify a byte sequence for a particular encoding. For each byte the detector receives, it will feed that byte to every active state machine available, one byte at a time. The state machine changes its state based on its previous state and the byte it receives. There are 3 states in a state machine that are of interest to an auto-detector: START state: This is the state to start with, or a legal byte sequence (i.e. a valid code point) for character has been identified. ME state: This indicates that the state machine identified a byte sequence that is specific to the charset it is designed for and that there is no other possible encoding which can contain this byte sequence. This will to lead to an immediate positive answer for the detector. ERROR state: This indicates the state machine identified an illegal byte sequence for that encoding. This will lead to an immediate negative answer for this encoding. Detector will exclude this encoding from consideration from here on. """ def __init__(self, sm): self._model = sm self._curr_byte_pos = 0 self._curr_char_len = 0 self._curr_state = None self.logger = logging.getLogger(__name__) self.reset() def reset(self): self._curr_state = MachineState.START def next_state(self, c): # for each byte we get its class # if it is first byte, we also get byte length byte_class = self._model['class_table'][c] if self._curr_state == MachineState.START: self._curr_byte_pos = 0 self._curr_char_len = self._model['char_len_table'][byte_class] # from byte's class and state_table, we get its next state curr_state = (self._curr_state * self._model['class_factor'] + byte_class) self._curr_state = self._model['state_table'][curr_state] self._curr_byte_pos += 1 return self._curr_state def get_current_charlen(self): return self._curr_char_len def get_coding_state_machine(self): return self._model['name'] @property def language(self): return self._model['language'] _vendor/chardet/compat.py 0000644 00000002260 15114542003 0011442 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # Contributor(s): # Dan Blanchard # Ian Cordasco # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### import sys if sys.version_info < (3, 0): PY2 = True PY3 = False string_types = (str, unicode) text_type = unicode iteritems = dict.iteritems else: PY2 = False PY3 = True string_types = (bytes, str) text_type = str iteritems = dict.items _vendor/chardet/cp949prober.py 0000644 00000003477 15114542003 0012254 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .chardistribution import EUCKRDistributionAnalysis from .codingstatemachine import CodingStateMachine from .mbcharsetprober import MultiByteCharSetProber from .mbcssm import CP949_SM_MODEL class CP949Prober(MultiByteCharSetProber): def __init__(self): super(CP949Prober, self).__init__() self.coding_sm = CodingStateMachine(CP949_SM_MODEL) # NOTE: CP949 is a superset of EUC-KR, so the distribution should be # not different. self.distribution_analyzer = EUCKRDistributionAnalysis() self.reset() @property def charset_name(self): return "CP949" @property def language(self): return "Korean" _vendor/chardet/enums.py 0000644 00000003175 15114542003 0011314 0 ustar 00 """ All of the Enums that are used throughout the chardet package. :author: Dan Blanchard (dan.blanchard@gmail.com) """ class InputState(object): """ This enum represents the different states a universal detector can be in. """ PURE_ASCII = 0 ESC_ASCII = 1 HIGH_BYTE = 2 class LanguageFilter(object): """ This enum represents the different language filters we can apply to a ``UniversalDetector``. """ CHINESE_SIMPLIFIED = 0x01 CHINESE_TRADITIONAL = 0x02 JAPANESE = 0x04 KOREAN = 0x08 NON_CJK = 0x10 ALL = 0x1F CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL CJK = CHINESE | JAPANESE | KOREAN class ProbingState(object): """ This enum represents the different states a prober can be in. """ DETECTING = 0 FOUND_IT = 1 NOT_ME = 2 class MachineState(object): """ This enum represents the different states a state machine can be in. """ START = 0 ERROR = 1 ITS_ME = 2 class SequenceLikelihood(object): """ This enum represents the likelihood of a character following the previous one. """ NEGATIVE = 0 UNLIKELY = 1 LIKELY = 2 POSITIVE = 3 @classmethod def get_num_categories(cls): """:returns: The number of likelihood categories in the enum.""" return 4 class CharacterCategory(object): """ This enum represents the different categories language models for ``SingleByteCharsetProber`` put characters into. Anything less than CONTROL is considered a letter. """ UNDEFINED = 255 LINE_BREAK = 254 SYMBOL = 253 DIGIT = 252 CONTROL = 251 _vendor/chardet/escprober.py 0000644 00000007556 15114542003 0012160 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetprober import CharSetProber from .codingstatemachine import CodingStateMachine from .enums import LanguageFilter, ProbingState, MachineState from .escsm import (HZ_SM_MODEL, ISO2022CN_SM_MODEL, ISO2022JP_SM_MODEL, ISO2022KR_SM_MODEL) class EscCharSetProber(CharSetProber): """ This CharSetProber uses a "code scheme" approach for detecting encodings, whereby easily recognizable escape or shift sequences are relied on to identify these encodings. """ def __init__(self, lang_filter=None): super(EscCharSetProber, self).__init__(lang_filter=lang_filter) self.coding_sm = [] if self.lang_filter & LanguageFilter.CHINESE_SIMPLIFIED: self.coding_sm.append(CodingStateMachine(HZ_SM_MODEL)) self.coding_sm.append(CodingStateMachine(ISO2022CN_SM_MODEL)) if self.lang_filter & LanguageFilter.JAPANESE: self.coding_sm.append(CodingStateMachine(ISO2022JP_SM_MODEL)) if self.lang_filter & LanguageFilter.KOREAN: self.coding_sm.append(CodingStateMachine(ISO2022KR_SM_MODEL)) self.active_sm_count = None self._detected_charset = None self._detected_language = None self._state = None self.reset() def reset(self): super(EscCharSetProber, self).reset() for coding_sm in self.coding_sm: if not coding_sm: continue coding_sm.active = True coding_sm.reset() self.active_sm_count = len(self.coding_sm) self._detected_charset = None self._detected_language = None @property def charset_name(self): return self._detected_charset @property def language(self): return self._detected_language def get_confidence(self): if self._detected_charset: return 0.99 else: return 0.00 def feed(self, byte_str): for c in byte_str: for coding_sm in self.coding_sm: if not coding_sm or not coding_sm.active: continue coding_state = coding_sm.next_state(c) if coding_state == MachineState.ERROR: coding_sm.active = False self.active_sm_count -= 1 if self.active_sm_count <= 0: self._state = ProbingState.NOT_ME return self.state elif coding_state == MachineState.ITS_ME: self._state = ProbingState.FOUND_IT self._detected_charset = coding_sm.get_coding_state_machine() self._detected_language = coding_sm.language return self.state return self.state _vendor/chardet/escsm.py 0000644 00000024416 15114542003 0011300 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .enums import MachineState HZ_CLS = ( 1,0,0,0,0,0,0,0, # 00 - 07 0,0,0,0,0,0,0,0, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,1,0,0,0,0, # 18 - 1f 0,0,0,0,0,0,0,0, # 20 - 27 0,0,0,0,0,0,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 0,0,0,0,0,0,0,0, # 40 - 47 0,0,0,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,4,0,5,2,0, # 78 - 7f 1,1,1,1,1,1,1,1, # 80 - 87 1,1,1,1,1,1,1,1, # 88 - 8f 1,1,1,1,1,1,1,1, # 90 - 97 1,1,1,1,1,1,1,1, # 98 - 9f 1,1,1,1,1,1,1,1, # a0 - a7 1,1,1,1,1,1,1,1, # a8 - af 1,1,1,1,1,1,1,1, # b0 - b7 1,1,1,1,1,1,1,1, # b8 - bf 1,1,1,1,1,1,1,1, # c0 - c7 1,1,1,1,1,1,1,1, # c8 - cf 1,1,1,1,1,1,1,1, # d0 - d7 1,1,1,1,1,1,1,1, # d8 - df 1,1,1,1,1,1,1,1, # e0 - e7 1,1,1,1,1,1,1,1, # e8 - ef 1,1,1,1,1,1,1,1, # f0 - f7 1,1,1,1,1,1,1,1, # f8 - ff ) HZ_ST = ( MachineState.START,MachineState.ERROR, 3,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START, 4,MachineState.ERROR,# 10-17 5,MachineState.ERROR, 6,MachineState.ERROR, 5, 5, 4,MachineState.ERROR,# 18-1f 4,MachineState.ERROR, 4, 4, 4,MachineState.ERROR, 4,MachineState.ERROR,# 20-27 4,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 28-2f ) HZ_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) HZ_SM_MODEL = {'class_table': HZ_CLS, 'class_factor': 6, 'state_table': HZ_ST, 'char_len_table': HZ_CHAR_LEN_TABLE, 'name': "HZ-GB-2312", 'language': 'Chinese'} ISO2022CN_CLS = ( 2,0,0,0,0,0,0,0, # 00 - 07 0,0,0,0,0,0,0,0, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,1,0,0,0,0, # 18 - 1f 0,0,0,0,0,0,0,0, # 20 - 27 0,3,0,0,0,0,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 0,0,0,4,0,0,0,0, # 40 - 47 0,0,0,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,0,0,0,0,0, # 78 - 7f 2,2,2,2,2,2,2,2, # 80 - 87 2,2,2,2,2,2,2,2, # 88 - 8f 2,2,2,2,2,2,2,2, # 90 - 97 2,2,2,2,2,2,2,2, # 98 - 9f 2,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,2,2,2, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,2,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 2,2,2,2,2,2,2,2, # e0 - e7 2,2,2,2,2,2,2,2, # e8 - ef 2,2,2,2,2,2,2,2, # f0 - f7 2,2,2,2,2,2,2,2, # f8 - ff ) ISO2022CN_ST = ( MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,# 18-1f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 20-27 5, 6,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 28-2f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 30-37 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,# 38-3f ) ISO2022CN_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0) ISO2022CN_SM_MODEL = {'class_table': ISO2022CN_CLS, 'class_factor': 9, 'state_table': ISO2022CN_ST, 'char_len_table': ISO2022CN_CHAR_LEN_TABLE, 'name': "ISO-2022-CN", 'language': 'Chinese'} ISO2022JP_CLS = ( 2,0,0,0,0,0,0,0, # 00 - 07 0,0,0,0,0,0,2,2, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,1,0,0,0,0, # 18 - 1f 0,0,0,0,7,0,0,0, # 20 - 27 3,0,0,0,0,0,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 6,0,4,0,8,0,0,0, # 40 - 47 0,9,5,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,0,0,0,0,0, # 78 - 7f 2,2,2,2,2,2,2,2, # 80 - 87 2,2,2,2,2,2,2,2, # 88 - 8f 2,2,2,2,2,2,2,2, # 90 - 97 2,2,2,2,2,2,2,2, # 98 - 9f 2,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,2,2,2, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,2,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 2,2,2,2,2,2,2,2, # e0 - e7 2,2,2,2,2,2,2,2, # e8 - ef 2,2,2,2,2,2,2,2, # f0 - f7 2,2,2,2,2,2,2,2, # f8 - ff ) ISO2022JP_ST = ( MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,# 18-1f MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 20-27 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 6,MachineState.ITS_ME,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,# 28-2f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,# 30-37 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 38-3f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.START,# 40-47 ) ISO2022JP_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0) ISO2022JP_SM_MODEL = {'class_table': ISO2022JP_CLS, 'class_factor': 10, 'state_table': ISO2022JP_ST, 'char_len_table': ISO2022JP_CHAR_LEN_TABLE, 'name': "ISO-2022-JP", 'language': 'Japanese'} ISO2022KR_CLS = ( 2,0,0,0,0,0,0,0, # 00 - 07 0,0,0,0,0,0,0,0, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,1,0,0,0,0, # 18 - 1f 0,0,0,0,3,0,0,0, # 20 - 27 0,4,0,0,0,0,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 0,0,0,5,0,0,0,0, # 40 - 47 0,0,0,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,0,0,0,0,0, # 78 - 7f 2,2,2,2,2,2,2,2, # 80 - 87 2,2,2,2,2,2,2,2, # 88 - 8f 2,2,2,2,2,2,2,2, # 90 - 97 2,2,2,2,2,2,2,2, # 98 - 9f 2,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,2,2,2, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,2,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 2,2,2,2,2,2,2,2, # e0 - e7 2,2,2,2,2,2,2,2, # e8 - ef 2,2,2,2,2,2,2,2, # f0 - f7 2,2,2,2,2,2,2,2, # f8 - ff ) ISO2022KR_ST = ( MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 10-17 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 18-1f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 20-27 ) ISO2022KR_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) ISO2022KR_SM_MODEL = {'class_table': ISO2022KR_CLS, 'class_factor': 6, 'state_table': ISO2022KR_ST, 'char_len_table': ISO2022KR_CHAR_LEN_TABLE, 'name': "ISO-2022-KR", 'language': 'Korean'} _vendor/chardet/eucjpprober.py 0000644 00000007245 15114542003 0012507 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .enums import ProbingState, MachineState from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import EUCJPDistributionAnalysis from .jpcntx import EUCJPContextAnalysis from .mbcssm import EUCJP_SM_MODEL class EUCJPProber(MultiByteCharSetProber): def __init__(self): super(EUCJPProber, self).__init__() self.coding_sm = CodingStateMachine(EUCJP_SM_MODEL) self.distribution_analyzer = EUCJPDistributionAnalysis() self.context_analyzer = EUCJPContextAnalysis() self.reset() def reset(self): super(EUCJPProber, self).reset() self.context_analyzer.reset() @property def charset_name(self): return "EUC-JP" @property def language(self): return "Japanese" def feed(self, byte_str): for i in range(len(byte_str)): # PY3K: byte_str is a byte array, so byte_str[i] is an int, not a byte coding_state = self.coding_sm.next_state(byte_str[i]) if coding_state == MachineState.ERROR: self.logger.debug('%s %s prober hit error at byte %s', self.charset_name, self.language, i) self._state = ProbingState.NOT_ME break elif coding_state == MachineState.ITS_ME: self._state = ProbingState.FOUND_IT break elif coding_state == MachineState.START: char_len = self.coding_sm.get_current_charlen() if i == 0: self._last_char[1] = byte_str[0] self.context_analyzer.feed(self._last_char, char_len) self.distribution_analyzer.feed(self._last_char, char_len) else: self.context_analyzer.feed(byte_str[i - 1:i + 1], char_len) self.distribution_analyzer.feed(byte_str[i - 1:i + 1], char_len) self._last_char[0] = byte_str[-1] if self.state == ProbingState.DETECTING: if (self.context_analyzer.got_enough_data() and (self.get_confidence() > self.SHORTCUT_THRESHOLD)): self._state = ProbingState.FOUND_IT return self.state def get_confidence(self): context_conf = self.context_analyzer.get_confidence() distrib_conf = self.distribution_analyzer.get_confidence() return max(context_conf, distrib_conf) _vendor/chardet/euckrfreq.py 0000644 00000032352 15114542003 0012153 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # Sampling from about 20M text materials include literature and computer technology # 128 --> 0.79 # 256 --> 0.92 # 512 --> 0.986 # 1024 --> 0.99944 # 2048 --> 0.99999 # # Idea Distribution Ratio = 0.98653 / (1-0.98653) = 73.24 # Random Distribution Ration = 512 / (2350-512) = 0.279. # # Typical Distribution Ratio EUCKR_TYPICAL_DISTRIBUTION_RATIO = 6.0 EUCKR_TABLE_SIZE = 2352 # Char to FreqOrder table , EUCKR_CHAR_TO_FREQ_ORDER = ( 13, 130, 120,1396, 481,1719,1720, 328, 609, 212,1721, 707, 400, 299,1722, 87, 1397,1723, 104, 536,1117,1203,1724,1267, 685,1268, 508,1725,1726,1727,1728,1398, 1399,1729,1730,1731, 141, 621, 326,1057, 368,1732, 267, 488, 20,1733,1269,1734, 945,1400,1735, 47, 904,1270,1736,1737, 773, 248,1738, 409, 313, 786, 429,1739, 116, 987, 813,1401, 683, 75,1204, 145,1740,1741,1742,1743, 16, 847, 667, 622, 708,1744,1745,1746, 966, 787, 304, 129,1747, 60, 820, 123, 676,1748,1749,1750, 1751, 617,1752, 626,1753,1754,1755,1756, 653,1757,1758,1759,1760,1761,1762, 856, 344,1763,1764,1765,1766, 89, 401, 418, 806, 905, 848,1767,1768,1769, 946,1205, 709,1770,1118,1771, 241,1772,1773,1774,1271,1775, 569,1776, 999,1777,1778,1779, 1780, 337, 751,1058, 28, 628, 254,1781, 177, 906, 270, 349, 891,1079,1782, 19, 1783, 379,1784, 315,1785, 629, 754,1402, 559,1786, 636, 203,1206,1787, 710, 567, 1788, 935, 814,1789,1790,1207, 766, 528,1791,1792,1208,1793,1794,1795,1796,1797, 1403,1798,1799, 533,1059,1404,1405,1156,1406, 936, 884,1080,1800, 351,1801,1802, 1803,1804,1805, 801,1806,1807,1808,1119,1809,1157, 714, 474,1407,1810, 298, 899, 885,1811,1120, 802,1158,1812, 892,1813,1814,1408, 659,1815,1816,1121,1817,1818, 1819,1820,1821,1822, 319,1823, 594, 545,1824, 815, 937,1209,1825,1826, 573,1409, 1022,1827,1210,1828,1829,1830,1831,1832,1833, 556, 722, 807,1122,1060,1834, 697, 1835, 900, 557, 715,1836,1410, 540,1411, 752,1159, 294, 597,1211, 976, 803, 770, 1412,1837,1838, 39, 794,1413, 358,1839, 371, 925,1840, 453, 661, 788, 531, 723, 544,1023,1081, 869, 91,1841, 392, 430, 790, 602,1414, 677,1082, 457,1415,1416, 1842,1843, 475, 327,1024,1417, 795, 121,1844, 733, 403,1418,1845,1846,1847, 300, 119, 711,1212, 627,1848,1272, 207,1849,1850, 796,1213, 382,1851, 519,1852,1083, 893,1853,1854,1855, 367, 809, 487, 671,1856, 663,1857,1858, 956, 471, 306, 857, 1859,1860,1160,1084,1861,1862,1863,1864,1865,1061,1866,1867,1868,1869,1870,1871, 282, 96, 574,1872, 502,1085,1873,1214,1874, 907,1875,1876, 827, 977,1419,1420, 1421, 268,1877,1422,1878,1879,1880, 308,1881, 2, 537,1882,1883,1215,1884,1885, 127, 791,1886,1273,1423,1887, 34, 336, 404, 643,1888, 571, 654, 894, 840,1889, 0, 886,1274, 122, 575, 260, 908, 938,1890,1275, 410, 316,1891,1892, 100,1893, 1894,1123, 48,1161,1124,1025,1895, 633, 901,1276,1896,1897, 115, 816,1898, 317, 1899, 694,1900, 909, 734,1424, 572, 866,1425, 691, 85, 524,1010, 543, 394, 841, 1901,1902,1903,1026,1904,1905,1906,1907,1908,1909, 30, 451, 651, 988, 310,1910, 1911,1426, 810,1216, 93,1912,1913,1277,1217,1914, 858, 759, 45, 58, 181, 610, 269,1915,1916, 131,1062, 551, 443,1000, 821,1427, 957, 895,1086,1917,1918, 375, 1919, 359,1920, 687,1921, 822,1922, 293,1923,1924, 40, 662, 118, 692, 29, 939, 887, 640, 482, 174,1925, 69,1162, 728,1428, 910,1926,1278,1218,1279, 386, 870, 217, 854,1163, 823,1927,1928,1929,1930, 834,1931, 78,1932, 859,1933,1063,1934, 1935,1936,1937, 438,1164, 208, 595,1938,1939,1940,1941,1219,1125,1942, 280, 888, 1429,1430,1220,1431,1943,1944,1945,1946,1947,1280, 150, 510,1432,1948,1949,1950, 1951,1952,1953,1954,1011,1087,1955,1433,1043,1956, 881,1957, 614, 958,1064,1065, 1221,1958, 638,1001, 860, 967, 896,1434, 989, 492, 553,1281,1165,1959,1282,1002, 1283,1222,1960,1961,1962,1963, 36, 383, 228, 753, 247, 454,1964, 876, 678,1965, 1966,1284, 126, 464, 490, 835, 136, 672, 529, 940,1088,1435, 473,1967,1968, 467, 50, 390, 227, 587, 279, 378, 598, 792, 968, 240, 151, 160, 849, 882,1126,1285, 639,1044, 133, 140, 288, 360, 811, 563,1027, 561, 142, 523,1969,1970,1971, 7, 103, 296, 439, 407, 506, 634, 990,1972,1973,1974,1975, 645,1976,1977,1978,1979, 1980,1981, 236,1982,1436,1983,1984,1089, 192, 828, 618, 518,1166, 333,1127,1985, 818,1223,1986,1987,1988,1989,1990,1991,1992,1993, 342,1128,1286, 746, 842,1994, 1995, 560, 223,1287, 98, 8, 189, 650, 978,1288,1996,1437,1997, 17, 345, 250, 423, 277, 234, 512, 226, 97, 289, 42, 167,1998, 201,1999,2000, 843, 836, 824, 532, 338, 783,1090, 182, 576, 436,1438,1439, 527, 500,2001, 947, 889,2002,2003, 2004,2005, 262, 600, 314, 447,2006, 547,2007, 693, 738,1129,2008, 71,1440, 745, 619, 688,2009, 829,2010,2011, 147,2012, 33, 948,2013,2014, 74, 224,2015, 61, 191, 918, 399, 637,2016,1028,1130, 257, 902,2017,2018,2019,2020,2021,2022,2023, 2024,2025,2026, 837,2027,2028,2029,2030, 179, 874, 591, 52, 724, 246,2031,2032, 2033,2034,1167, 969,2035,1289, 630, 605, 911,1091,1168,2036,2037,2038,1441, 912, 2039, 623,2040,2041, 253,1169,1290,2042,1442, 146, 620, 611, 577, 433,2043,1224, 719,1170, 959, 440, 437, 534, 84, 388, 480,1131, 159, 220, 198, 679,2044,1012, 819,1066,1443, 113,1225, 194, 318,1003,1029,2045,2046,2047,2048,1067,2049,2050, 2051,2052,2053, 59, 913, 112,2054, 632,2055, 455, 144, 739,1291,2056, 273, 681, 499,2057, 448,2058,2059, 760,2060,2061, 970, 384, 169, 245,1132,2062,2063, 414, 1444,2064,2065, 41, 235,2066, 157, 252, 877, 568, 919, 789, 580,2067, 725,2068, 2069,1292,2070,2071,1445,2072,1446,2073,2074, 55, 588, 66,1447, 271,1092,2075, 1226,2076, 960,1013, 372,2077,2078,2079,2080,2081,1293,2082,2083,2084,2085, 850, 2086,2087,2088,2089,2090, 186,2091,1068, 180,2092,2093,2094, 109,1227, 522, 606, 2095, 867,1448,1093, 991,1171, 926, 353,1133,2096, 581,2097,2098,2099,1294,1449, 1450,2100, 596,1172,1014,1228,2101,1451,1295,1173,1229,2102,2103,1296,1134,1452, 949,1135,2104,2105,1094,1453,1454,1455,2106,1095,2107,2108,2109,2110,2111,2112, 2113,2114,2115,2116,2117, 804,2118,2119,1230,1231, 805,1456, 405,1136,2120,2121, 2122,2123,2124, 720, 701,1297, 992,1457, 927,1004,2125,2126,2127,2128,2129,2130, 22, 417,2131, 303,2132, 385,2133, 971, 520, 513,2134,1174, 73,1096, 231, 274, 962,1458, 673,2135,1459,2136, 152,1137,2137,2138,2139,2140,1005,1138,1460,1139, 2141,2142,2143,2144, 11, 374, 844,2145, 154,1232, 46,1461,2146, 838, 830, 721, 1233, 106,2147, 90, 428, 462, 578, 566,1175, 352,2148,2149, 538,1234, 124,1298, 2150,1462, 761, 565,2151, 686,2152, 649,2153, 72, 173,2154, 460, 415,2155,1463, 2156,1235, 305,2157,2158,2159,2160,2161,2162, 579,2163,2164,2165,2166,2167, 747, 2168,2169,2170,2171,1464, 669,2172,2173,2174,2175,2176,1465,2177, 23, 530, 285, 2178, 335, 729,2179, 397,2180,2181,2182,1030,2183,2184, 698,2185,2186, 325,2187, 2188, 369,2189, 799,1097,1015, 348,2190,1069, 680,2191, 851,1466,2192,2193, 10, 2194, 613, 424,2195, 979, 108, 449, 589, 27, 172, 81,1031, 80, 774, 281, 350, 1032, 525, 301, 582,1176,2196, 674,1045,2197,2198,1467, 730, 762,2199,2200,2201, 2202,1468,2203, 993,2204,2205, 266,1070, 963,1140,2206,2207,2208, 664,1098, 972, 2209,2210,2211,1177,1469,1470, 871,2212,2213,2214,2215,2216,1471,2217,2218,2219, 2220,2221,2222,2223,2224,2225,2226,2227,1472,1236,2228,2229,2230,2231,2232,2233, 2234,2235,1299,2236,2237, 200,2238, 477, 373,2239,2240, 731, 825, 777,2241,2242, 2243, 521, 486, 548,2244,2245,2246,1473,1300, 53, 549, 137, 875, 76, 158,2247, 1301,1474, 469, 396,1016, 278, 712,2248, 321, 442, 503, 767, 744, 941,1237,1178, 1475,2249, 82, 178,1141,1179, 973,2250,1302,2251, 297,2252,2253, 570,2254,2255, 2256, 18, 450, 206,2257, 290, 292,1142,2258, 511, 162, 99, 346, 164, 735,2259, 1476,1477, 4, 554, 343, 798,1099,2260,1100,2261, 43, 171,1303, 139, 215,2262, 2263, 717, 775,2264,1033, 322, 216,2265, 831,2266, 149,2267,1304,2268,2269, 702, 1238, 135, 845, 347, 309,2270, 484,2271, 878, 655, 238,1006,1478,2272, 67,2273, 295,2274,2275, 461,2276, 478, 942, 412,2277,1034,2278,2279,2280, 265,2281, 541, 2282,2283,2284,2285,2286, 70, 852,1071,2287,2288,2289,2290, 21, 56, 509, 117, 432,2291,2292, 331, 980, 552,1101, 148, 284, 105, 393,1180,1239, 755,2293, 187, 2294,1046,1479,2295, 340,2296, 63,1047, 230,2297,2298,1305, 763,1306, 101, 800, 808, 494,2299,2300,2301, 903,2302, 37,1072, 14, 5,2303, 79, 675,2304, 312, 2305,2306,2307,2308,2309,1480, 6,1307,2310,2311,2312, 1, 470, 35, 24, 229, 2313, 695, 210, 86, 778, 15, 784, 592, 779, 32, 77, 855, 964,2314, 259,2315, 501, 380,2316,2317, 83, 981, 153, 689,1308,1481,1482,1483,2318,2319, 716,1484, 2320,2321,2322,2323,2324,2325,1485,2326,2327, 128, 57, 68, 261,1048, 211, 170, 1240, 31,2328, 51, 435, 742,2329,2330,2331, 635,2332, 264, 456,2333,2334,2335, 425,2336,1486, 143, 507, 263, 943,2337, 363, 920,1487, 256,1488,1102, 243, 601, 1489,2338,2339,2340,2341,2342,2343,2344, 861,2345,2346,2347,2348,2349,2350, 395, 2351,1490,1491, 62, 535, 166, 225,2352,2353, 668, 419,1241, 138, 604, 928,2354, 1181,2355,1492,1493,2356,2357,2358,1143,2359, 696,2360, 387, 307,1309, 682, 476, 2361,2362, 332, 12, 222, 156,2363, 232,2364, 641, 276, 656, 517,1494,1495,1035, 416, 736,1496,2365,1017, 586,2366,2367,2368,1497,2369, 242,2370,2371,2372,1498, 2373, 965, 713,2374,2375,2376,2377, 740, 982,1499, 944,1500,1007,2378,2379,1310, 1501,2380,2381,2382, 785, 329,2383,2384,1502,2385,2386,2387, 932,2388,1503,2389, 2390,2391,2392,1242,2393,2394,2395,2396,2397, 994, 950,2398,2399,2400,2401,1504, 1311,2402,2403,2404,2405,1049, 749,2406,2407, 853, 718,1144,1312,2408,1182,1505, 2409,2410, 255, 516, 479, 564, 550, 214,1506,1507,1313, 413, 239, 444, 339,1145, 1036,1508,1509,1314,1037,1510,1315,2411,1511,2412,2413,2414, 176, 703, 497, 624, 593, 921, 302,2415, 341, 165,1103,1512,2416,1513,2417,2418,2419, 376,2420, 700, 2421,2422,2423, 258, 768,1316,2424,1183,2425, 995, 608,2426,2427,2428,2429, 221, 2430,2431,2432,2433,2434,2435,2436,2437, 195, 323, 726, 188, 897, 983,1317, 377, 644,1050, 879,2438, 452,2439,2440,2441,2442,2443,2444, 914,2445,2446,2447,2448, 915, 489,2449,1514,1184,2450,2451, 515, 64, 427, 495,2452, 583,2453, 483, 485, 1038, 562, 213,1515, 748, 666,2454,2455,2456,2457, 334,2458, 780, 996,1008, 705, 1243,2459,2460,2461,2462,2463, 114,2464, 493,1146, 366, 163,1516, 961,1104,2465, 291,2466,1318,1105,2467,1517, 365,2468, 355, 951,1244,2469,1319,2470, 631,2471, 2472, 218,1320, 364, 320, 756,1518,1519,1321,1520,1322,2473,2474,2475,2476, 997, 2477,2478,2479,2480, 665,1185,2481, 916,1521,2482,2483,2484, 584, 684,2485,2486, 797,2487,1051,1186,2488,2489,2490,1522,2491,2492, 370,2493,1039,1187, 65,2494, 434, 205, 463,1188,2495, 125, 812, 391, 402, 826, 699, 286, 398, 155, 781, 771, 585,2496, 590, 505,1073,2497, 599, 244, 219, 917,1018, 952, 646,1523,2498,1323, 2499,2500, 49, 984, 354, 741,2501, 625,2502,1324,2503,1019, 190, 357, 757, 491, 95, 782, 868,2504,2505,2506,2507,2508,2509, 134,1524,1074, 422,1525, 898,2510, 161,2511,2512,2513,2514, 769,2515,1526,2516,2517, 411,1325,2518, 472,1527,2519, 2520,2521,2522,2523,2524, 985,2525,2526,2527,2528,2529,2530, 764,2531,1245,2532, 2533, 25, 204, 311,2534, 496,2535,1052,2536,2537,2538,2539,2540,2541,2542, 199, 704, 504, 468, 758, 657,1528, 196, 44, 839,1246, 272, 750,2543, 765, 862,2544, 2545,1326,2546, 132, 615, 933,2547, 732,2548,2549,2550,1189,1529,2551, 283,1247, 1053, 607, 929,2552,2553,2554, 930, 183, 872, 616,1040,1147,2555,1148,1020, 441, 249,1075,2556,2557,2558, 466, 743,2559,2560,2561, 92, 514, 426, 420, 526,2562, 2563,2564,2565,2566,2567,2568, 185,2569,2570,2571,2572, 776,1530, 658,2573, 362, 2574, 361, 922,1076, 793,2575,2576,2577,2578,2579,2580,1531, 251,2581,2582,2583, 2584,1532, 54, 612, 237,1327,2585,2586, 275, 408, 647, 111,2587,1533,1106, 465, 3, 458, 9, 38,2588, 107, 110, 890, 209, 26, 737, 498,2589,1534,2590, 431, 202, 88,1535, 356, 287,1107, 660,1149,2591, 381,1536, 986,1150, 445,1248,1151, 974,2592,2593, 846,2594, 446, 953, 184,1249,1250, 727,2595, 923, 193, 883,2596, 2597,2598, 102, 324, 539, 817,2599, 421,1041,2600, 832,2601, 94, 175, 197, 406, 2602, 459,2603,2604,2605,2606,2607, 330, 555,2608,2609,2610, 706,1108, 389,2611, 2612,2613,2614, 233,2615, 833, 558, 931, 954,1251,2616,2617,1537, 546,2618,2619, 1009,2620,2621,2622,1538, 690,1328,2623, 955,2624,1539,2625,2626, 772,2627,2628, 2629,2630,2631, 924, 648, 863, 603,2632,2633, 934,1540, 864, 865,2634, 642,1042, 670,1190,2635,2636,2637,2638, 168,2639, 652, 873, 542,1054,1541,2640,2641,2642, # 512, 256 ) _vendor/chardet/euckrprober.py 0000644 00000003324 15114542003 0012504 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import EUCKRDistributionAnalysis from .mbcssm import EUCKR_SM_MODEL class EUCKRProber(MultiByteCharSetProber): def __init__(self): super(EUCKRProber, self).__init__() self.coding_sm = CodingStateMachine(EUCKR_SM_MODEL) self.distribution_analyzer = EUCKRDistributionAnalysis() self.reset() @property def charset_name(self): return "EUC-KR" @property def language(self): return "Korean" _vendor/chardet/euctwfreq.py 0000644 00000075605 15114542003 0012201 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # EUCTW frequency table # Converted from big5 work # by Taiwan's Mandarin Promotion Council # <http:#www.edu.tw:81/mandr/> # 128 --> 0.42261 # 256 --> 0.57851 # 512 --> 0.74851 # 1024 --> 0.89384 # 2048 --> 0.97583 # # Idea Distribution Ratio = 0.74851/(1-0.74851) =2.98 # Random Distribution Ration = 512/(5401-512)=0.105 # # Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR EUCTW_TYPICAL_DISTRIBUTION_RATIO = 0.75 # Char to FreqOrder table , EUCTW_TABLE_SIZE = 5376 EUCTW_CHAR_TO_FREQ_ORDER = ( 1,1800,1506, 255,1431, 198, 9, 82, 6,7310, 177, 202,3615,1256,2808, 110, # 2742 3735, 33,3241, 261, 76, 44,2113, 16,2931,2184,1176, 659,3868, 26,3404,2643, # 2758 1198,3869,3313,4060, 410,2211, 302, 590, 361,1963, 8, 204, 58,4296,7311,1931, # 2774 63,7312,7313, 317,1614, 75, 222, 159,4061,2412,1480,7314,3500,3068, 224,2809, # 2790 3616, 3, 10,3870,1471, 29,2774,1135,2852,1939, 873, 130,3242,1123, 312,7315, # 2806 4297,2051, 507, 252, 682,7316, 142,1914, 124, 206,2932, 34,3501,3173, 64, 604, # 2822 7317,2494,1976,1977, 155,1990, 645, 641,1606,7318,3405, 337, 72, 406,7319, 80, # 2838 630, 238,3174,1509, 263, 939,1092,2644, 756,1440,1094,3406, 449, 69,2969, 591, # 2854 179,2095, 471, 115,2034,1843, 60, 50,2970, 134, 806,1868, 734,2035,3407, 180, # 2870 995,1607, 156, 537,2893, 688,7320, 319,1305, 779,2144, 514,2374, 298,4298, 359, # 2886 2495, 90,2707,1338, 663, 11, 906,1099,2545, 20,2436, 182, 532,1716,7321, 732, # 2902 1376,4062,1311,1420,3175, 25,2312,1056, 113, 399, 382,1949, 242,3408,2467, 529, # 2918 3243, 475,1447,3617,7322, 117, 21, 656, 810,1297,2295,2329,3502,7323, 126,4063, # 2934 706, 456, 150, 613,4299, 71,1118,2036,4064, 145,3069, 85, 835, 486,2114,1246, # 2950 1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,7324,2127,2354, 347,3736, 221, # 2966 3503,3110,7325,1955,1153,4065, 83, 296,1199,3070, 192, 624, 93,7326, 822,1897, # 2982 2810,3111, 795,2064, 991,1554,1542,1592, 27, 43,2853, 859, 139,1456, 860,4300, # 2998 437, 712,3871, 164,2392,3112, 695, 211,3017,2096, 195,3872,1608,3504,3505,3618, # 3014 3873, 234, 811,2971,2097,3874,2229,1441,3506,1615,2375, 668,2076,1638, 305, 228, # 3030 1664,4301, 467, 415,7327, 262,2098,1593, 239, 108, 300, 200,1033, 512,1247,2077, # 3046 7328,7329,2173,3176,3619,2673, 593, 845,1062,3244, 88,1723,2037,3875,1950, 212, # 3062 266, 152, 149, 468,1898,4066,4302, 77, 187,7330,3018, 37, 5,2972,7331,3876, # 3078 7332,7333, 39,2517,4303,2894,3177,2078, 55, 148, 74,4304, 545, 483,1474,1029, # 3094 1665, 217,1869,1531,3113,1104,2645,4067, 24, 172,3507, 900,3877,3508,3509,4305, # 3110 32,1408,2811,1312, 329, 487,2355,2247,2708, 784,2674, 4,3019,3314,1427,1788, # 3126 188, 109, 499,7334,3620,1717,1789, 888,1217,3020,4306,7335,3510,7336,3315,1520, # 3142 3621,3878, 196,1034, 775,7337,7338, 929,1815, 249, 439, 38,7339,1063,7340, 794, # 3158 3879,1435,2296, 46, 178,3245,2065,7341,2376,7342, 214,1709,4307, 804, 35, 707, # 3174 324,3622,1601,2546, 140, 459,4068,7343,7344,1365, 839, 272, 978,2257,2572,3409, # 3190 2128,1363,3623,1423, 697, 100,3071, 48, 70,1231, 495,3114,2193,7345,1294,7346, # 3206 2079, 462, 586,1042,3246, 853, 256, 988, 185,2377,3410,1698, 434,1084,7347,3411, # 3222 314,2615,2775,4308,2330,2331, 569,2280, 637,1816,2518, 757,1162,1878,1616,3412, # 3238 287,1577,2115, 768,4309,1671,2854,3511,2519,1321,3737, 909,2413,7348,4069, 933, # 3254 3738,7349,2052,2356,1222,4310, 765,2414,1322, 786,4311,7350,1919,1462,1677,2895, # 3270 1699,7351,4312,1424,2437,3115,3624,2590,3316,1774,1940,3413,3880,4070, 309,1369, # 3286 1130,2812, 364,2230,1653,1299,3881,3512,3882,3883,2646, 525,1085,3021, 902,2000, # 3302 1475, 964,4313, 421,1844,1415,1057,2281, 940,1364,3116, 376,4314,4315,1381, 7, # 3318 2520, 983,2378, 336,1710,2675,1845, 321,3414, 559,1131,3022,2742,1808,1132,1313, # 3334 265,1481,1857,7352, 352,1203,2813,3247, 167,1089, 420,2814, 776, 792,1724,3513, # 3350 4071,2438,3248,7353,4072,7354, 446, 229, 333,2743, 901,3739,1200,1557,4316,2647, # 3366 1920, 395,2744,2676,3740,4073,1835, 125, 916,3178,2616,4317,7355,7356,3741,7357, # 3382 7358,7359,4318,3117,3625,1133,2547,1757,3415,1510,2313,1409,3514,7360,2145, 438, # 3398 2591,2896,2379,3317,1068, 958,3023, 461, 311,2855,2677,4074,1915,3179,4075,1978, # 3414 383, 750,2745,2617,4076, 274, 539, 385,1278,1442,7361,1154,1964, 384, 561, 210, # 3430 98,1295,2548,3515,7362,1711,2415,1482,3416,3884,2897,1257, 129,7363,3742, 642, # 3446 523,2776,2777,2648,7364, 141,2231,1333, 68, 176, 441, 876, 907,4077, 603,2592, # 3462 710, 171,3417, 404, 549, 18,3118,2393,1410,3626,1666,7365,3516,4319,2898,4320, # 3478 7366,2973, 368,7367, 146, 366, 99, 871,3627,1543, 748, 807,1586,1185, 22,2258, # 3494 379,3743,3180,7368,3181, 505,1941,2618,1991,1382,2314,7369, 380,2357, 218, 702, # 3510 1817,1248,3418,3024,3517,3318,3249,7370,2974,3628, 930,3250,3744,7371, 59,7372, # 3526 585, 601,4078, 497,3419,1112,1314,4321,1801,7373,1223,1472,2174,7374, 749,1836, # 3542 690,1899,3745,1772,3885,1476, 429,1043,1790,2232,2116, 917,4079, 447,1086,1629, # 3558 7375, 556,7376,7377,2020,1654, 844,1090, 105, 550, 966,1758,2815,1008,1782, 686, # 3574 1095,7378,2282, 793,1602,7379,3518,2593,4322,4080,2933,2297,4323,3746, 980,2496, # 3590 544, 353, 527,4324, 908,2678,2899,7380, 381,2619,1942,1348,7381,1341,1252, 560, # 3606 3072,7382,3420,2856,7383,2053, 973, 886,2080, 143,4325,7384,7385, 157,3886, 496, # 3622 4081, 57, 840, 540,2038,4326,4327,3421,2117,1445, 970,2259,1748,1965,2081,4082, # 3638 3119,1234,1775,3251,2816,3629, 773,1206,2129,1066,2039,1326,3887,1738,1725,4083, # 3654 279,3120, 51,1544,2594, 423,1578,2130,2066, 173,4328,1879,7386,7387,1583, 264, # 3670 610,3630,4329,2439, 280, 154,7388,7389,7390,1739, 338,1282,3073, 693,2857,1411, # 3686 1074,3747,2440,7391,4330,7392,7393,1240, 952,2394,7394,2900,1538,2679, 685,1483, # 3702 4084,2468,1436, 953,4085,2054,4331, 671,2395, 79,4086,2441,3252, 608, 567,2680, # 3718 3422,4087,4088,1691, 393,1261,1791,2396,7395,4332,7396,7397,7398,7399,1383,1672, # 3734 3748,3182,1464, 522,1119, 661,1150, 216, 675,4333,3888,1432,3519, 609,4334,2681, # 3750 2397,7400,7401,7402,4089,3025, 0,7403,2469, 315, 231,2442, 301,3319,4335,2380, # 3766 7404, 233,4090,3631,1818,4336,4337,7405, 96,1776,1315,2082,7406, 257,7407,1809, # 3782 3632,2709,1139,1819,4091,2021,1124,2163,2778,1777,2649,7408,3074, 363,1655,3183, # 3798 7409,2975,7410,7411,7412,3889,1567,3890, 718, 103,3184, 849,1443, 341,3320,2934, # 3814 1484,7413,1712, 127, 67, 339,4092,2398, 679,1412, 821,7414,7415, 834, 738, 351, # 3830 2976,2146, 846, 235,1497,1880, 418,1992,3749,2710, 186,1100,2147,2746,3520,1545, # 3846 1355,2935,2858,1377, 583,3891,4093,2573,2977,7416,1298,3633,1078,2549,3634,2358, # 3862 78,3750,3751, 267,1289,2099,2001,1594,4094, 348, 369,1274,2194,2175,1837,4338, # 3878 1820,2817,3635,2747,2283,2002,4339,2936,2748, 144,3321, 882,4340,3892,2749,3423, # 3894 4341,2901,7417,4095,1726, 320,7418,3893,3026, 788,2978,7419,2818,1773,1327,2859, # 3910 3894,2819,7420,1306,4342,2003,1700,3752,3521,2359,2650, 787,2022, 506, 824,3636, # 3926 534, 323,4343,1044,3322,2023,1900, 946,3424,7421,1778,1500,1678,7422,1881,4344, # 3942 165, 243,4345,3637,2521, 123, 683,4096, 764,4346, 36,3895,1792, 589,2902, 816, # 3958 626,1667,3027,2233,1639,1555,1622,3753,3896,7423,3897,2860,1370,1228,1932, 891, # 3974 2083,2903, 304,4097,7424, 292,2979,2711,3522, 691,2100,4098,1115,4347, 118, 662, # 3990 7425, 611,1156, 854,2381,1316,2861, 2, 386, 515,2904,7426,7427,3253, 868,2234, # 4006 1486, 855,2651, 785,2212,3028,7428,1040,3185,3523,7429,3121, 448,7430,1525,7431, # 4022 2164,4348,7432,3754,7433,4099,2820,3524,3122, 503, 818,3898,3123,1568, 814, 676, # 4038 1444, 306,1749,7434,3755,1416,1030, 197,1428, 805,2821,1501,4349,7435,7436,7437, # 4054 1993,7438,4350,7439,7440,2195, 13,2779,3638,2980,3124,1229,1916,7441,3756,2131, # 4070 7442,4100,4351,2399,3525,7443,2213,1511,1727,1120,7444,7445, 646,3757,2443, 307, # 4086 7446,7447,1595,3186,7448,7449,7450,3639,1113,1356,3899,1465,2522,2523,7451, 519, # 4102 7452, 128,2132, 92,2284,1979,7453,3900,1512, 342,3125,2196,7454,2780,2214,1980, # 4118 3323,7455, 290,1656,1317, 789, 827,2360,7456,3758,4352, 562, 581,3901,7457, 401, # 4134 4353,2248, 94,4354,1399,2781,7458,1463,2024,4355,3187,1943,7459, 828,1105,4101, # 4150 1262,1394,7460,4102, 605,4356,7461,1783,2862,7462,2822, 819,2101, 578,2197,2937, # 4166 7463,1502, 436,3254,4103,3255,2823,3902,2905,3425,3426,7464,2712,2315,7465,7466, # 4182 2332,2067, 23,4357, 193, 826,3759,2102, 699,1630,4104,3075, 390,1793,1064,3526, # 4198 7467,1579,3076,3077,1400,7468,4105,1838,1640,2863,7469,4358,4359, 137,4106, 598, # 4214 3078,1966, 780, 104, 974,2938,7470, 278, 899, 253, 402, 572, 504, 493,1339,7471, # 4230 3903,1275,4360,2574,2550,7472,3640,3029,3079,2249, 565,1334,2713, 863, 41,7473, # 4246 7474,4361,7475,1657,2333, 19, 463,2750,4107, 606,7476,2981,3256,1087,2084,1323, # 4262 2652,2982,7477,1631,1623,1750,4108,2682,7478,2864, 791,2714,2653,2334, 232,2416, # 4278 7479,2983,1498,7480,2654,2620, 755,1366,3641,3257,3126,2025,1609, 119,1917,3427, # 4294 862,1026,4109,7481,3904,3760,4362,3905,4363,2260,1951,2470,7482,1125, 817,4110, # 4310 4111,3906,1513,1766,2040,1487,4112,3030,3258,2824,3761,3127,7483,7484,1507,7485, # 4326 2683, 733, 40,1632,1106,2865, 345,4113, 841,2524, 230,4364,2984,1846,3259,3428, # 4342 7486,1263, 986,3429,7487, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562,3907, # 4358 3908,2939, 967,2751,2655,1349, 592,2133,1692,3324,2985,1994,4114,1679,3909,1901, # 4374 2185,7488, 739,3642,2715,1296,1290,7489,4115,2198,2199,1921,1563,2595,2551,1870, # 4390 2752,2986,7490, 435,7491, 343,1108, 596, 17,1751,4365,2235,3430,3643,7492,4366, # 4406 294,3527,2940,1693, 477, 979, 281,2041,3528, 643,2042,3644,2621,2782,2261,1031, # 4422 2335,2134,2298,3529,4367, 367,1249,2552,7493,3530,7494,4368,1283,3325,2004, 240, # 4438 1762,3326,4369,4370, 836,1069,3128, 474,7495,2148,2525, 268,3531,7496,3188,1521, # 4454 1284,7497,1658,1546,4116,7498,3532,3533,7499,4117,3327,2684,1685,4118, 961,1673, # 4470 2622, 190,2005,2200,3762,4371,4372,7500, 570,2497,3645,1490,7501,4373,2623,3260, # 4486 1956,4374, 584,1514, 396,1045,1944,7502,4375,1967,2444,7503,7504,4376,3910, 619, # 4502 7505,3129,3261, 215,2006,2783,2553,3189,4377,3190,4378, 763,4119,3763,4379,7506, # 4518 7507,1957,1767,2941,3328,3646,1174, 452,1477,4380,3329,3130,7508,2825,1253,2382, # 4534 2186,1091,2285,4120, 492,7509, 638,1169,1824,2135,1752,3911, 648, 926,1021,1324, # 4550 4381, 520,4382, 997, 847,1007, 892,4383,3764,2262,1871,3647,7510,2400,1784,4384, # 4566 1952,2942,3080,3191,1728,4121,2043,3648,4385,2007,1701,3131,1551, 30,2263,4122, # 4582 7511,2026,4386,3534,7512, 501,7513,4123, 594,3431,2165,1821,3535,3432,3536,3192, # 4598 829,2826,4124,7514,1680,3132,1225,4125,7515,3262,4387,4126,3133,2336,7516,4388, # 4614 4127,7517,3912,3913,7518,1847,2383,2596,3330,7519,4389, 374,3914, 652,4128,4129, # 4630 375,1140, 798,7520,7521,7522,2361,4390,2264, 546,1659, 138,3031,2445,4391,7523, # 4646 2250, 612,1848, 910, 796,3765,1740,1371, 825,3766,3767,7524,2906,2554,7525, 692, # 4662 444,3032,2624, 801,4392,4130,7526,1491, 244,1053,3033,4131,4132, 340,7527,3915, # 4678 1041,2987, 293,1168, 87,1357,7528,1539, 959,7529,2236, 721, 694,4133,3768, 219, # 4694 1478, 644,1417,3331,2656,1413,1401,1335,1389,3916,7530,7531,2988,2362,3134,1825, # 4710 730,1515, 184,2827, 66,4393,7532,1660,2943, 246,3332, 378,1457, 226,3433, 975, # 4726 3917,2944,1264,3537, 674, 696,7533, 163,7534,1141,2417,2166, 713,3538,3333,4394, # 4742 3918,7535,7536,1186, 15,7537,1079,1070,7538,1522,3193,3539, 276,1050,2716, 758, # 4758 1126, 653,2945,3263,7539,2337, 889,3540,3919,3081,2989, 903,1250,4395,3920,3434, # 4774 3541,1342,1681,1718, 766,3264, 286, 89,2946,3649,7540,1713,7541,2597,3334,2990, # 4790 7542,2947,2215,3194,2866,7543,4396,2498,2526, 181, 387,1075,3921, 731,2187,3335, # 4806 7544,3265, 310, 313,3435,2299, 770,4134, 54,3034, 189,4397,3082,3769,3922,7545, # 4822 1230,1617,1849, 355,3542,4135,4398,3336, 111,4136,3650,1350,3135,3436,3035,4137, # 4838 2149,3266,3543,7546,2784,3923,3924,2991, 722,2008,7547,1071, 247,1207,2338,2471, # 4854 1378,4399,2009, 864,1437,1214,4400, 373,3770,1142,2216, 667,4401, 442,2753,2555, # 4870 3771,3925,1968,4138,3267,1839, 837, 170,1107, 934,1336,1882,7548,7549,2118,4139, # 4886 2828, 743,1569,7550,4402,4140, 582,2384,1418,3437,7551,1802,7552, 357,1395,1729, # 4902 3651,3268,2418,1564,2237,7553,3083,3772,1633,4403,1114,2085,4141,1532,7554, 482, # 4918 2446,4404,7555,7556,1492, 833,1466,7557,2717,3544,1641,2829,7558,1526,1272,3652, # 4934 4142,1686,1794, 416,2556,1902,1953,1803,7559,3773,2785,3774,1159,2316,7560,2867, # 4950 4405,1610,1584,3036,2419,2754, 443,3269,1163,3136,7561,7562,3926,7563,4143,2499, # 4966 3037,4406,3927,3137,2103,1647,3545,2010,1872,4144,7564,4145, 431,3438,7565, 250, # 4982 97, 81,4146,7566,1648,1850,1558, 160, 848,7567, 866, 740,1694,7568,2201,2830, # 4998 3195,4147,4407,3653,1687, 950,2472, 426, 469,3196,3654,3655,3928,7569,7570,1188, # 5014 424,1995, 861,3546,4148,3775,2202,2685, 168,1235,3547,4149,7571,2086,1674,4408, # 5030 3337,3270, 220,2557,1009,7572,3776, 670,2992, 332,1208, 717,7573,7574,3548,2447, # 5046 3929,3338,7575, 513,7576,1209,2868,3339,3138,4409,1080,7577,7578,7579,7580,2527, # 5062 3656,3549, 815,1587,3930,3931,7581,3550,3439,3777,1254,4410,1328,3038,1390,3932, # 5078 1741,3933,3778,3934,7582, 236,3779,2448,3271,7583,7584,3657,3780,1273,3781,4411, # 5094 7585, 308,7586,4412, 245,4413,1851,2473,1307,2575, 430, 715,2136,2449,7587, 270, # 5110 199,2869,3935,7588,3551,2718,1753, 761,1754, 725,1661,1840,4414,3440,3658,7589, # 5126 7590, 587, 14,3272, 227,2598, 326, 480,2265, 943,2755,3552, 291, 650,1883,7591, # 5142 1702,1226, 102,1547, 62,3441, 904,4415,3442,1164,4150,7592,7593,1224,1548,2756, # 5158 391, 498,1493,7594,1386,1419,7595,2055,1177,4416, 813, 880,1081,2363, 566,1145, # 5174 4417,2286,1001,1035,2558,2599,2238, 394,1286,7596,7597,2068,7598, 86,1494,1730, # 5190 3936, 491,1588, 745, 897,2948, 843,3340,3937,2757,2870,3273,1768, 998,2217,2069, # 5206 397,1826,1195,1969,3659,2993,3341, 284,7599,3782,2500,2137,2119,1903,7600,3938, # 5222 2150,3939,4151,1036,3443,1904, 114,2559,4152, 209,1527,7601,7602,2949,2831,2625, # 5238 2385,2719,3139, 812,2560,7603,3274,7604,1559, 737,1884,3660,1210, 885, 28,2686, # 5254 3553,3783,7605,4153,1004,1779,4418,7606, 346,1981,2218,2687,4419,3784,1742, 797, # 5270 1642,3940,1933,1072,1384,2151, 896,3941,3275,3661,3197,2871,3554,7607,2561,1958, # 5286 4420,2450,1785,7608,7609,7610,3942,4154,1005,1308,3662,4155,2720,4421,4422,1528, # 5302 2600, 161,1178,4156,1982, 987,4423,1101,4157, 631,3943,1157,3198,2420,1343,1241, # 5318 1016,2239,2562, 372, 877,2339,2501,1160, 555,1934, 911,3944,7611, 466,1170, 169, # 5334 1051,2907,2688,3663,2474,2994,1182,2011,2563,1251,2626,7612, 992,2340,3444,1540, # 5350 2721,1201,2070,2401,1996,2475,7613,4424, 528,1922,2188,1503,1873,1570,2364,3342, # 5366 3276,7614, 557,1073,7615,1827,3445,2087,2266,3140,3039,3084, 767,3085,2786,4425, # 5382 1006,4158,4426,2341,1267,2176,3664,3199, 778,3945,3200,2722,1597,2657,7616,4427, # 5398 7617,3446,7618,7619,7620,3277,2689,1433,3278, 131, 95,1504,3946, 723,4159,3141, # 5414 1841,3555,2758,2189,3947,2027,2104,3665,7621,2995,3948,1218,7622,3343,3201,3949, # 5430 4160,2576, 248,1634,3785, 912,7623,2832,3666,3040,3786, 654, 53,7624,2996,7625, # 5446 1688,4428, 777,3447,1032,3950,1425,7626, 191, 820,2120,2833, 971,4429, 931,3202, # 5462 135, 664, 783,3787,1997, 772,2908,1935,3951,3788,4430,2909,3203, 282,2723, 640, # 5478 1372,3448,1127, 922, 325,3344,7627,7628, 711,2044,7629,7630,3952,2219,2787,1936, # 5494 3953,3345,2220,2251,3789,2300,7631,4431,3790,1258,3279,3954,3204,2138,2950,3955, # 5510 3956,7632,2221, 258,3205,4432, 101,1227,7633,3280,1755,7634,1391,3281,7635,2910, # 5526 2056, 893,7636,7637,7638,1402,4161,2342,7639,7640,3206,3556,7641,7642, 878,1325, # 5542 1780,2788,4433, 259,1385,2577, 744,1183,2267,4434,7643,3957,2502,7644, 684,1024, # 5558 4162,7645, 472,3557,3449,1165,3282,3958,3959, 322,2152, 881, 455,1695,1152,1340, # 5574 660, 554,2153,4435,1058,4436,4163, 830,1065,3346,3960,4437,1923,7646,1703,1918, # 5590 7647, 932,2268, 122,7648,4438, 947, 677,7649,3791,2627, 297,1905,1924,2269,4439, # 5606 2317,3283,7650,7651,4164,7652,4165, 84,4166, 112, 989,7653, 547,1059,3961, 701, # 5622 3558,1019,7654,4167,7655,3450, 942, 639, 457,2301,2451, 993,2951, 407, 851, 494, # 5638 4440,3347, 927,7656,1237,7657,2421,3348, 573,4168, 680, 921,2911,1279,1874, 285, # 5654 790,1448,1983, 719,2167,7658,7659,4441,3962,3963,1649,7660,1541, 563,7661,1077, # 5670 7662,3349,3041,3451, 511,2997,3964,3965,3667,3966,1268,2564,3350,3207,4442,4443, # 5686 7663, 535,1048,1276,1189,2912,2028,3142,1438,1373,2834,2952,1134,2012,7664,4169, # 5702 1238,2578,3086,1259,7665, 700,7666,2953,3143,3668,4170,7667,4171,1146,1875,1906, # 5718 4444,2601,3967, 781,2422, 132,1589, 203, 147, 273,2789,2402, 898,1786,2154,3968, # 5734 3969,7668,3792,2790,7669,7670,4445,4446,7671,3208,7672,1635,3793, 965,7673,1804, # 5750 2690,1516,3559,1121,1082,1329,3284,3970,1449,3794, 65,1128,2835,2913,2759,1590, # 5766 3795,7674,7675, 12,2658, 45, 976,2579,3144,4447, 517,2528,1013,1037,3209,7676, # 5782 3796,2836,7677,3797,7678,3452,7679,2602, 614,1998,2318,3798,3087,2724,2628,7680, # 5798 2580,4172, 599,1269,7681,1810,3669,7682,2691,3088, 759,1060, 489,1805,3351,3285, # 5814 1358,7683,7684,2386,1387,1215,2629,2252, 490,7685,7686,4173,1759,2387,2343,7687, # 5830 4448,3799,1907,3971,2630,1806,3210,4449,3453,3286,2760,2344, 874,7688,7689,3454, # 5846 3670,1858, 91,2914,3671,3042,3800,4450,7690,3145,3972,2659,7691,3455,1202,1403, # 5862 3801,2954,2529,1517,2503,4451,3456,2504,7692,4452,7693,2692,1885,1495,1731,3973, # 5878 2365,4453,7694,2029,7695,7696,3974,2693,1216, 237,2581,4174,2319,3975,3802,4454, # 5894 4455,2694,3560,3457, 445,4456,7697,7698,7699,7700,2761, 61,3976,3672,1822,3977, # 5910 7701, 687,2045, 935, 925, 405,2660, 703,1096,1859,2725,4457,3978,1876,1367,2695, # 5926 3352, 918,2105,1781,2476, 334,3287,1611,1093,4458, 564,3146,3458,3673,3353, 945, # 5942 2631,2057,4459,7702,1925, 872,4175,7703,3459,2696,3089, 349,4176,3674,3979,4460, # 5958 3803,4177,3675,2155,3980,4461,4462,4178,4463,2403,2046, 782,3981, 400, 251,4179, # 5974 1624,7704,7705, 277,3676, 299,1265, 476,1191,3804,2121,4180,4181,1109, 205,7706, # 5990 2582,1000,2156,3561,1860,7707,7708,7709,4464,7710,4465,2565, 107,2477,2157,3982, # 6006 3460,3147,7711,1533, 541,1301, 158, 753,4182,2872,3562,7712,1696, 370,1088,4183, # 6022 4466,3563, 579, 327, 440, 162,2240, 269,1937,1374,3461, 968,3043, 56,1396,3090, # 6038 2106,3288,3354,7713,1926,2158,4467,2998,7714,3564,7715,7716,3677,4468,2478,7717, # 6054 2791,7718,1650,4469,7719,2603,7720,7721,3983,2661,3355,1149,3356,3984,3805,3985, # 6070 7722,1076, 49,7723, 951,3211,3289,3290, 450,2837, 920,7724,1811,2792,2366,4184, # 6086 1908,1138,2367,3806,3462,7725,3212,4470,1909,1147,1518,2423,4471,3807,7726,4472, # 6102 2388,2604, 260,1795,3213,7727,7728,3808,3291, 708,7729,3565,1704,7730,3566,1351, # 6118 1618,3357,2999,1886, 944,4185,3358,4186,3044,3359,4187,7731,3678, 422, 413,1714, # 6134 3292, 500,2058,2345,4188,2479,7732,1344,1910, 954,7733,1668,7734,7735,3986,2404, # 6150 4189,3567,3809,4190,7736,2302,1318,2505,3091, 133,3092,2873,4473, 629, 31,2838, # 6166 2697,3810,4474, 850, 949,4475,3987,2955,1732,2088,4191,1496,1852,7737,3988, 620, # 6182 3214, 981,1242,3679,3360,1619,3680,1643,3293,2139,2452,1970,1719,3463,2168,7738, # 6198 3215,7739,7740,3361,1828,7741,1277,4476,1565,2047,7742,1636,3568,3093,7743, 869, # 6214 2839, 655,3811,3812,3094,3989,3000,3813,1310,3569,4477,7744,7745,7746,1733, 558, # 6230 4478,3681, 335,1549,3045,1756,4192,3682,1945,3464,1829,1291,1192, 470,2726,2107, # 6246 2793, 913,1054,3990,7747,1027,7748,3046,3991,4479, 982,2662,3362,3148,3465,3216, # 6262 3217,1946,2794,7749, 571,4480,7750,1830,7751,3570,2583,1523,2424,7752,2089, 984, # 6278 4481,3683,1959,7753,3684, 852, 923,2795,3466,3685, 969,1519, 999,2048,2320,1705, # 6294 7754,3095, 615,1662, 151, 597,3992,2405,2321,1049, 275,4482,3686,4193, 568,3687, # 6310 3571,2480,4194,3688,7755,2425,2270, 409,3218,7756,1566,2874,3467,1002, 769,2840, # 6326 194,2090,3149,3689,2222,3294,4195, 628,1505,7757,7758,1763,2177,3001,3993, 521, # 6342 1161,2584,1787,2203,2406,4483,3994,1625,4196,4197, 412, 42,3096, 464,7759,2632, # 6358 4484,3363,1760,1571,2875,3468,2530,1219,2204,3814,2633,2140,2368,4485,4486,3295, # 6374 1651,3364,3572,7760,7761,3573,2481,3469,7762,3690,7763,7764,2271,2091, 460,7765, # 6390 4487,7766,3002, 962, 588,3574, 289,3219,2634,1116, 52,7767,3047,1796,7768,7769, # 6406 7770,1467,7771,1598,1143,3691,4198,1984,1734,1067,4488,1280,3365, 465,4489,1572, # 6422 510,7772,1927,2241,1812,1644,3575,7773,4490,3692,7774,7775,2663,1573,1534,7776, # 6438 7777,4199, 536,1807,1761,3470,3815,3150,2635,7778,7779,7780,4491,3471,2915,1911, # 6454 2796,7781,3296,1122, 377,3220,7782, 360,7783,7784,4200,1529, 551,7785,2059,3693, # 6470 1769,2426,7786,2916,4201,3297,3097,2322,2108,2030,4492,1404, 136,1468,1479, 672, # 6486 1171,3221,2303, 271,3151,7787,2762,7788,2049, 678,2727, 865,1947,4493,7789,2013, # 6502 3995,2956,7790,2728,2223,1397,3048,3694,4494,4495,1735,2917,3366,3576,7791,3816, # 6518 509,2841,2453,2876,3817,7792,7793,3152,3153,4496,4202,2531,4497,2304,1166,1010, # 6534 552, 681,1887,7794,7795,2957,2958,3996,1287,1596,1861,3154, 358, 453, 736, 175, # 6550 478,1117, 905,1167,1097,7796,1853,1530,7797,1706,7798,2178,3472,2287,3695,3473, # 6566 3577,4203,2092,4204,7799,3367,1193,2482,4205,1458,2190,2205,1862,1888,1421,3298, # 6582 2918,3049,2179,3474, 595,2122,7800,3997,7801,7802,4206,1707,2636, 223,3696,1359, # 6598 751,3098, 183,3475,7803,2797,3003, 419,2369, 633, 704,3818,2389, 241,7804,7805, # 6614 7806, 838,3004,3697,2272,2763,2454,3819,1938,2050,3998,1309,3099,2242,1181,7807, # 6630 1136,2206,3820,2370,1446,4207,2305,4498,7808,7809,4208,1055,2605, 484,3698,7810, # 6646 3999, 625,4209,2273,3368,1499,4210,4000,7811,4001,4211,3222,2274,2275,3476,7812, # 6662 7813,2764, 808,2606,3699,3369,4002,4212,3100,2532, 526,3370,3821,4213, 955,7814, # 6678 1620,4214,2637,2427,7815,1429,3700,1669,1831, 994, 928,7816,3578,1260,7817,7818, # 6694 7819,1948,2288, 741,2919,1626,4215,2729,2455, 867,1184, 362,3371,1392,7820,7821, # 6710 4003,4216,1770,1736,3223,2920,4499,4500,1928,2698,1459,1158,7822,3050,3372,2877, # 6726 1292,1929,2506,2842,3701,1985,1187,2071,2014,2607,4217,7823,2566,2507,2169,3702, # 6742 2483,3299,7824,3703,4501,7825,7826, 666,1003,3005,1022,3579,4218,7827,4502,1813, # 6758 2253, 574,3822,1603, 295,1535, 705,3823,4219, 283, 858, 417,7828,7829,3224,4503, # 6774 4504,3051,1220,1889,1046,2276,2456,4004,1393,1599, 689,2567, 388,4220,7830,2484, # 6790 802,7831,2798,3824,2060,1405,2254,7832,4505,3825,2109,1052,1345,3225,1585,7833, # 6806 809,7834,7835,7836, 575,2730,3477, 956,1552,1469,1144,2323,7837,2324,1560,2457, # 6822 3580,3226,4005, 616,2207,3155,2180,2289,7838,1832,7839,3478,4506,7840,1319,3704, # 6838 3705,1211,3581,1023,3227,1293,2799,7841,7842,7843,3826, 607,2306,3827, 762,2878, # 6854 1439,4221,1360,7844,1485,3052,7845,4507,1038,4222,1450,2061,2638,4223,1379,4508, # 6870 2585,7846,7847,4224,1352,1414,2325,2921,1172,7848,7849,3828,3829,7850,1797,1451, # 6886 7851,7852,7853,7854,2922,4006,4007,2485,2346, 411,4008,4009,3582,3300,3101,4509, # 6902 1561,2664,1452,4010,1375,7855,7856, 47,2959, 316,7857,1406,1591,2923,3156,7858, # 6918 1025,2141,3102,3157, 354,2731, 884,2224,4225,2407, 508,3706, 726,3583, 996,2428, # 6934 3584, 729,7859, 392,2191,1453,4011,4510,3707,7860,7861,2458,3585,2608,1675,2800, # 6950 919,2347,2960,2348,1270,4511,4012, 73,7862,7863, 647,7864,3228,2843,2255,1550, # 6966 1346,3006,7865,1332, 883,3479,7866,7867,7868,7869,3301,2765,7870,1212, 831,1347, # 6982 4226,4512,2326,3830,1863,3053, 720,3831,4513,4514,3832,7871,4227,7872,7873,4515, # 6998 7874,7875,1798,4516,3708,2609,4517,3586,1645,2371,7876,7877,2924, 669,2208,2665, # 7014 2429,7878,2879,7879,7880,1028,3229,7881,4228,2408,7882,2256,1353,7883,7884,4518, # 7030 3158, 518,7885,4013,7886,4229,1960,7887,2142,4230,7888,7889,3007,2349,2350,3833, # 7046 516,1833,1454,4014,2699,4231,4519,2225,2610,1971,1129,3587,7890,2766,7891,2961, # 7062 1422, 577,1470,3008,1524,3373,7892,7893, 432,4232,3054,3480,7894,2586,1455,2508, # 7078 2226,1972,1175,7895,1020,2732,4015,3481,4520,7896,2733,7897,1743,1361,3055,3482, # 7094 2639,4016,4233,4521,2290, 895, 924,4234,2170, 331,2243,3056, 166,1627,3057,1098, # 7110 7898,1232,2880,2227,3374,4522, 657, 403,1196,2372, 542,3709,3375,1600,4235,3483, # 7126 7899,4523,2767,3230, 576, 530,1362,7900,4524,2533,2666,3710,4017,7901, 842,3834, # 7142 7902,2801,2031,1014,4018, 213,2700,3376, 665, 621,4236,7903,3711,2925,2430,7904, # 7158 2431,3302,3588,3377,7905,4237,2534,4238,4525,3589,1682,4239,3484,1380,7906, 724, # 7174 2277, 600,1670,7907,1337,1233,4526,3103,2244,7908,1621,4527,7909, 651,4240,7910, # 7190 1612,4241,2611,7911,2844,7912,2734,2307,3058,7913, 716,2459,3059, 174,1255,2701, # 7206 4019,3590, 548,1320,1398, 728,4020,1574,7914,1890,1197,3060,4021,7915,3061,3062, # 7222 3712,3591,3713, 747,7916, 635,4242,4528,7917,7918,7919,4243,7920,7921,4529,7922, # 7238 3378,4530,2432, 451,7923,3714,2535,2072,4244,2735,4245,4022,7924,1764,4531,7925, # 7254 4246, 350,7926,2278,2390,2486,7927,4247,4023,2245,1434,4024, 488,4532, 458,4248, # 7270 4025,3715, 771,1330,2391,3835,2568,3159,2159,2409,1553,2667,3160,4249,7928,2487, # 7286 2881,2612,1720,2702,4250,3379,4533,7929,2536,4251,7930,3231,4252,2768,7931,2015, # 7302 2736,7932,1155,1017,3716,3836,7933,3303,2308, 201,1864,4253,1430,7934,4026,7935, # 7318 7936,7937,7938,7939,4254,1604,7940, 414,1865, 371,2587,4534,4535,3485,2016,3104, # 7334 4536,1708, 960,4255, 887, 389,2171,1536,1663,1721,7941,2228,4027,2351,2926,1580, # 7350 7942,7943,7944,1744,7945,2537,4537,4538,7946,4539,7947,2073,7948,7949,3592,3380, # 7366 2882,4256,7950,4257,2640,3381,2802, 673,2703,2460, 709,3486,4028,3593,4258,7951, # 7382 1148, 502, 634,7952,7953,1204,4540,3594,1575,4541,2613,3717,7954,3718,3105, 948, # 7398 3232, 121,1745,3837,1110,7955,4259,3063,2509,3009,4029,3719,1151,1771,3838,1488, # 7414 4030,1986,7956,2433,3487,7957,7958,2093,7959,4260,3839,1213,1407,2803, 531,2737, # 7430 2538,3233,1011,1537,7960,2769,4261,3106,1061,7961,3720,3721,1866,2883,7962,2017, # 7446 120,4262,4263,2062,3595,3234,2309,3840,2668,3382,1954,4542,7963,7964,3488,1047, # 7462 2704,1266,7965,1368,4543,2845, 649,3383,3841,2539,2738,1102,2846,2669,7966,7967, # 7478 1999,7968,1111,3596,2962,7969,2488,3842,3597,2804,1854,3384,3722,7970,7971,3385, # 7494 2410,2884,3304,3235,3598,7972,2569,7973,3599,2805,4031,1460, 856,7974,3600,7975, # 7510 2885,2963,7976,2886,3843,7977,4264, 632,2510, 875,3844,1697,3845,2291,7978,7979, # 7526 4544,3010,1239, 580,4545,4265,7980, 914, 936,2074,1190,4032,1039,2123,7981,7982, # 7542 7983,3386,1473,7984,1354,4266,3846,7985,2172,3064,4033, 915,3305,4267,4268,3306, # 7558 1605,1834,7986,2739, 398,3601,4269,3847,4034, 328,1912,2847,4035,3848,1331,4270, # 7574 3011, 937,4271,7987,3602,4036,4037,3387,2160,4546,3388, 524, 742, 538,3065,1012, # 7590 7988,7989,3849,2461,7990, 658,1103, 225,3850,7991,7992,4547,7993,4548,7994,3236, # 7606 1243,7995,4038, 963,2246,4549,7996,2705,3603,3161,7997,7998,2588,2327,7999,4550, # 7622 8000,8001,8002,3489,3307, 957,3389,2540,2032,1930,2927,2462, 870,2018,3604,1746, # 7638 2770,2771,2434,2463,8003,3851,8004,3723,3107,3724,3490,3390,3725,8005,1179,3066, # 7654 8006,3162,2373,4272,3726,2541,3163,3108,2740,4039,8007,3391,1556,2542,2292, 977, # 7670 2887,2033,4040,1205,3392,8008,1765,3393,3164,2124,1271,1689, 714,4551,3491,8009, # 7686 2328,3852, 533,4273,3605,2181, 617,8010,2464,3308,3492,2310,8011,8012,3165,8013, # 7702 8014,3853,1987, 618, 427,2641,3493,3394,8015,8016,1244,1690,8017,2806,4274,4552, # 7718 8018,3494,8019,8020,2279,1576, 473,3606,4275,3395, 972,8021,3607,8022,3067,8023, # 7734 8024,4553,4554,8025,3727,4041,4042,8026, 153,4555, 356,8027,1891,2888,4276,2143, # 7750 408, 803,2352,8028,3854,8029,4277,1646,2570,2511,4556,4557,3855,8030,3856,4278, # 7766 8031,2411,3396, 752,8032,8033,1961,2964,8034, 746,3012,2465,8035,4279,3728, 698, # 7782 4558,1892,4280,3608,2543,4559,3609,3857,8036,3166,3397,8037,1823,1302,4043,2706, # 7798 3858,1973,4281,8038,4282,3167, 823,1303,1288,1236,2848,3495,4044,3398, 774,3859, # 7814 8039,1581,4560,1304,2849,3860,4561,8040,2435,2161,1083,3237,4283,4045,4284, 344, # 7830 1173, 288,2311, 454,1683,8041,8042,1461,4562,4046,2589,8043,8044,4563, 985, 894, # 7846 8045,3399,3168,8046,1913,2928,3729,1988,8047,2110,1974,8048,4047,8049,2571,1194, # 7862 425,8050,4564,3169,1245,3730,4285,8051,8052,2850,8053, 636,4565,1855,3861, 760, # 7878 1799,8054,4286,2209,1508,4566,4048,1893,1684,2293,8055,8056,8057,4287,4288,2210, # 7894 479,8058,8059, 832,8060,4049,2489,8061,2965,2490,3731, 990,3109, 627,1814,2642, # 7910 4289,1582,4290,2125,2111,3496,4567,8062, 799,4291,3170,8063,4568,2112,1737,3013, # 7926 1018, 543, 754,4292,3309,1676,4569,4570,4050,8064,1489,8065,3497,8066,2614,2889, # 7942 4051,8067,8068,2966,8069,8070,8071,8072,3171,4571,4572,2182,1722,8073,3238,3239, # 7958 1842,3610,1715, 481, 365,1975,1856,8074,8075,1962,2491,4573,8076,2126,3611,3240, # 7974 433,1894,2063,2075,8077, 602,2741,8078,8079,8080,8081,8082,3014,1628,3400,8083, # 7990 3172,4574,4052,2890,4575,2512,8084,2544,2772,8085,8086,8087,3310,4576,2891,8088, # 8006 4577,8089,2851,4578,4579,1221,2967,4053,2513,8090,8091,8092,1867,1989,8093,8094, # 8022 8095,1895,8096,8097,4580,1896,4054, 318,8098,2094,4055,4293,8099,8100, 485,8101, # 8038 938,3862, 553,2670, 116,8102,3863,3612,8103,3498,2671,2773,3401,3311,2807,8104, # 8054 3613,2929,4056,1747,2930,2968,8105,8106, 207,8107,8108,2672,4581,2514,8109,3015, # 8070 890,3614,3864,8110,1877,3732,3402,8111,2183,2353,3403,1652,8112,8113,8114, 941, # 8086 2294, 208,3499,4057,2019, 330,4294,3865,2892,2492,3733,4295,8115,8116,8117,8118, # 8102 ) _vendor/chardet/euctwprober.py 0000644 00000003323 15114542003 0012521 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import EUCTWDistributionAnalysis from .mbcssm import EUCTW_SM_MODEL class EUCTWProber(MultiByteCharSetProber): def __init__(self): super(EUCTWProber, self).__init__() self.coding_sm = CodingStateMachine(EUCTW_SM_MODEL) self.distribution_analyzer = EUCTWDistributionAnalysis() self.reset() @property def charset_name(self): return "EUC-TW" @property def language(self): return "Taiwan" _vendor/chardet/gb2312freq.py 0000644 00000050353 15114542003 0011743 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # GB2312 most frequently used character table # # Char to FreqOrder table , from hz6763 # 512 --> 0.79 -- 0.79 # 1024 --> 0.92 -- 0.13 # 2048 --> 0.98 -- 0.06 # 6768 --> 1.00 -- 0.02 # # Ideal Distribution Ratio = 0.79135/(1-0.79135) = 3.79 # Random Distribution Ration = 512 / (3755 - 512) = 0.157 # # Typical Distribution Ratio about 25% of Ideal one, still much higher that RDR GB2312_TYPICAL_DISTRIBUTION_RATIO = 0.9 GB2312_TABLE_SIZE = 3760 GB2312_CHAR_TO_FREQ_ORDER = ( 1671, 749,1443,2364,3924,3807,2330,3921,1704,3463,2691,1511,1515, 572,3191,2205, 2361, 224,2558, 479,1711, 963,3162, 440,4060,1905,2966,2947,3580,2647,3961,3842, 2204, 869,4207, 970,2678,5626,2944,2956,1479,4048, 514,3595, 588,1346,2820,3409, 249,4088,1746,1873,2047,1774, 581,1813, 358,1174,3590,1014,1561,4844,2245, 670, 1636,3112, 889,1286, 953, 556,2327,3060,1290,3141, 613, 185,3477,1367, 850,3820, 1715,2428,2642,2303,2732,3041,2562,2648,3566,3946,1349, 388,3098,2091,1360,3585, 152,1687,1539, 738,1559, 59,1232,2925,2267,1388,1249,1741,1679,2960, 151,1566, 1125,1352,4271, 924,4296, 385,3166,4459, 310,1245,2850, 70,3285,2729,3534,3575, 2398,3298,3466,1960,2265, 217,3647, 864,1909,2084,4401,2773,1010,3269,5152, 853, 3051,3121,1244,4251,1895, 364,1499,1540,2313,1180,3655,2268, 562, 715,2417,3061, 544, 336,3768,2380,1752,4075, 950, 280,2425,4382, 183,2759,3272, 333,4297,2155, 1688,2356,1444,1039,4540, 736,1177,3349,2443,2368,2144,2225, 565, 196,1482,3406, 927,1335,4147, 692, 878,1311,1653,3911,3622,1378,4200,1840,2969,3149,2126,1816, 2534,1546,2393,2760, 737,2494, 13, 447, 245,2747, 38,2765,2129,2589,1079, 606, 360, 471,3755,2890, 404, 848, 699,1785,1236, 370,2221,1023,3746,2074,2026,2023, 2388,1581,2119, 812,1141,3091,2536,1519, 804,2053, 406,1596,1090, 784, 548,4414, 1806,2264,2936,1100, 343,4114,5096, 622,3358, 743,3668,1510,1626,5020,3567,2513, 3195,4115,5627,2489,2991, 24,2065,2697,1087,2719, 48,1634, 315, 68, 985,2052, 198,2239,1347,1107,1439, 597,2366,2172, 871,3307, 919,2487,2790,1867, 236,2570, 1413,3794, 906,3365,3381,1701,1982,1818,1524,2924,1205, 616,2586,2072,2004, 575, 253,3099, 32,1365,1182, 197,1714,2454,1201, 554,3388,3224,2748, 756,2587, 250, 2567,1507,1517,3529,1922,2761,2337,3416,1961,1677,2452,2238,3153, 615, 911,1506, 1474,2495,1265,1906,2749,3756,3280,2161, 898,2714,1759,3450,2243,2444, 563, 26, 3286,2266,3769,3344,2707,3677, 611,1402, 531,1028,2871,4548,1375, 261,2948, 835, 1190,4134, 353, 840,2684,1900,3082,1435,2109,1207,1674, 329,1872,2781,4055,2686, 2104, 608,3318,2423,2957,2768,1108,3739,3512,3271,3985,2203,1771,3520,1418,2054, 1681,1153, 225,1627,2929, 162,2050,2511,3687,1954, 124,1859,2431,1684,3032,2894, 585,4805,3969,2869,2704,2088,2032,2095,3656,2635,4362,2209, 256, 518,2042,2105, 3777,3657, 643,2298,1148,1779, 190, 989,3544, 414, 11,2135,2063,2979,1471, 403, 3678, 126, 770,1563, 671,2499,3216,2877, 600,1179, 307,2805,4937,1268,1297,2694, 252,4032,1448,1494,1331,1394, 127,2256, 222,1647,1035,1481,3056,1915,1048, 873, 3651, 210, 33,1608,2516, 200,1520, 415, 102, 0,3389,1287, 817, 91,3299,2940, 836,1814, 549,2197,1396,1669,2987,3582,2297,2848,4528,1070, 687, 20,1819, 121, 1552,1364,1461,1968,2617,3540,2824,2083, 177, 948,4938,2291, 110,4549,2066, 648, 3359,1755,2110,2114,4642,4845,1693,3937,3308,1257,1869,2123, 208,1804,3159,2992, 2531,2549,3361,2418,1350,2347,2800,2568,1291,2036,2680, 72, 842,1990, 212,1233, 1154,1586, 75,2027,3410,4900,1823,1337,2710,2676, 728,2810,1522,3026,4995, 157, 755,1050,4022, 710, 785,1936,2194,2085,1406,2777,2400, 150,1250,4049,1206, 807, 1910, 534, 529,3309,1721,1660, 274, 39,2827, 661,2670,1578, 925,3248,3815,1094, 4278,4901,4252, 41,1150,3747,2572,2227,4501,3658,4902,3813,3357,3617,2884,2258, 887, 538,4187,3199,1294,2439,3042,2329,2343,2497,1255, 107, 543,1527, 521,3478, 3568, 194,5062, 15, 961,3870,1241,1192,2664, 66,5215,3260,2111,1295,1127,2152, 3805,4135, 901,1164,1976, 398,1278, 530,1460, 748, 904,1054,1966,1426, 53,2909, 509, 523,2279,1534, 536,1019, 239,1685, 460,2353, 673,1065,2401,3600,4298,2272, 1272,2363, 284,1753,3679,4064,1695, 81, 815,2677,2757,2731,1386, 859, 500,4221, 2190,2566, 757,1006,2519,2068,1166,1455, 337,2654,3203,1863,1682,1914,3025,1252, 1409,1366, 847, 714,2834,2038,3209, 964,2970,1901, 885,2553,1078,1756,3049, 301, 1572,3326, 688,2130,1996,2429,1805,1648,2930,3421,2750,3652,3088, 262,1158,1254, 389,1641,1812, 526,1719, 923,2073,1073,1902, 468, 489,4625,1140, 857,2375,3070, 3319,2863, 380, 116,1328,2693,1161,2244, 273,1212,1884,2769,3011,1775,1142, 461, 3066,1200,2147,2212, 790, 702,2695,4222,1601,1058, 434,2338,5153,3640, 67,2360, 4099,2502, 618,3472,1329, 416,1132, 830,2782,1807,2653,3211,3510,1662, 192,2124, 296,3979,1739,1611,3684, 23, 118, 324, 446,1239,1225, 293,2520,3814,3795,2535, 3116, 17,1074, 467,2692,2201, 387,2922, 45,1326,3055,1645,3659,2817, 958, 243, 1903,2320,1339,2825,1784,3289, 356, 576, 865,2315,2381,3377,3916,1088,3122,1713, 1655, 935, 628,4689,1034,1327, 441, 800, 720, 894,1979,2183,1528,5289,2702,1071, 4046,3572,2399,1571,3281, 79, 761,1103, 327, 134, 758,1899,1371,1615, 879, 442, 215,2605,2579, 173,2048,2485,1057,2975,3317,1097,2253,3801,4263,1403,1650,2946, 814,4968,3487,1548,2644,1567,1285, 2, 295,2636, 97, 946,3576, 832, 141,4257, 3273, 760,3821,3521,3156,2607, 949,1024,1733,1516,1803,1920,2125,2283,2665,3180, 1501,2064,3560,2171,1592, 803,3518,1416, 732,3897,4258,1363,1362,2458, 119,1427, 602,1525,2608,1605,1639,3175, 694,3064, 10, 465, 76,2000,4846,4208, 444,3781, 1619,3353,2206,1273,3796, 740,2483, 320,1723,2377,3660,2619,1359,1137,1762,1724, 2345,2842,1850,1862, 912, 821,1866, 612,2625,1735,2573,3369,1093, 844, 89, 937, 930,1424,3564,2413,2972,1004,3046,3019,2011, 711,3171,1452,4178, 428, 801,1943, 432, 445,2811, 206,4136,1472, 730, 349, 73, 397,2802,2547, 998,1637,1167, 789, 396,3217, 154,1218, 716,1120,1780,2819,4826,1931,3334,3762,2139,1215,2627, 552, 3664,3628,3232,1405,2383,3111,1356,2652,3577,3320,3101,1703, 640,1045,1370,1246, 4996, 371,1575,2436,1621,2210, 984,4033,1734,2638, 16,4529, 663,2755,3255,1451, 3917,2257,1253,1955,2234,1263,2951, 214,1229, 617, 485, 359,1831,1969, 473,2310, 750,2058, 165, 80,2864,2419, 361,4344,2416,2479,1134, 796,3726,1266,2943, 860, 2715, 938, 390,2734,1313,1384, 248, 202, 877,1064,2854, 522,3907, 279,1602, 297, 2357, 395,3740, 137,2075, 944,4089,2584,1267,3802, 62,1533,2285, 178, 176, 780, 2440, 201,3707, 590, 478,1560,4354,2117,1075, 30, 74,4643,4004,1635,1441,2745, 776,2596, 238,1077,1692,1912,2844, 605, 499,1742,3947, 241,3053, 980,1749, 936, 2640,4511,2582, 515,1543,2162,5322,2892,2993, 890,2148,1924, 665,1827,3581,1032, 968,3163, 339,1044,1896, 270, 583,1791,1720,4367,1194,3488,3669, 43,2523,1657, 163,2167, 290,1209,1622,3378, 550, 634,2508,2510, 695,2634,2384,2512,1476,1414, 220,1469,2341,2138,2852,3183,2900,4939,2865,3502,1211,3680, 854,3227,1299,2976, 3172, 186,2998,1459, 443,1067,3251,1495, 321,1932,3054, 909, 753,1410,1828, 436, 2441,1119,1587,3164,2186,1258, 227, 231,1425,1890,3200,3942, 247, 959, 725,5254, 2741, 577,2158,2079, 929, 120, 174, 838,2813, 591,1115, 417,2024, 40,3240,1536, 1037, 291,4151,2354, 632,1298,2406,2500,3535,1825,1846,3451, 205,1171, 345,4238, 18,1163, 811, 685,2208,1217, 425,1312,1508,1175,4308,2552,1033, 587,1381,3059, 2984,3482, 340,1316,4023,3972, 792,3176, 519, 777,4690, 918, 933,4130,2981,3741, 90,3360,2911,2200,5184,4550, 609,3079,2030, 272,3379,2736, 363,3881,1130,1447, 286, 779, 357,1169,3350,3137,1630,1220,2687,2391, 747,1277,3688,2618,2682,2601, 1156,3196,5290,4034,3102,1689,3596,3128, 874, 219,2783, 798, 508,1843,2461, 269, 1658,1776,1392,1913,2983,3287,2866,2159,2372, 829,4076, 46,4253,2873,1889,1894, 915,1834,1631,2181,2318, 298, 664,2818,3555,2735, 954,3228,3117, 527,3511,2173, 681,2712,3033,2247,2346,3467,1652, 155,2164,3382, 113,1994, 450, 899, 494, 994, 1237,2958,1875,2336,1926,3727, 545,1577,1550, 633,3473, 204,1305,3072,2410,1956, 2471, 707,2134, 841,2195,2196,2663,3843,1026,4940, 990,3252,4997, 368,1092, 437, 3212,3258,1933,1829, 675,2977,2893, 412, 943,3723,4644,3294,3283,2230,2373,5154, 2389,2241,2661,2323,1404,2524, 593, 787, 677,3008,1275,2059, 438,2709,2609,2240, 2269,2246,1446, 36,1568,1373,3892,1574,2301,1456,3962, 693,2276,5216,2035,1143, 2720,1919,1797,1811,2763,4137,2597,1830,1699,1488,1198,2090, 424,1694, 312,3634, 3390,4179,3335,2252,1214, 561,1059,3243,2295,2561, 975,5155,2321,2751,3772, 472, 1537,3282,3398,1047,2077,2348,2878,1323,3340,3076, 690,2906, 51, 369, 170,3541, 1060,2187,2688,3670,2541,1083,1683, 928,3918, 459, 109,4427, 599,3744,4286, 143, 2101,2730,2490, 82,1588,3036,2121, 281,1860, 477,4035,1238,2812,3020,2716,3312, 1530,2188,2055,1317, 843, 636,1808,1173,3495, 649, 181,1002, 147,3641,1159,2414, 3750,2289,2795, 813,3123,2610,1136,4368, 5,3391,4541,2174, 420, 429,1728, 754, 1228,2115,2219, 347,2223,2733, 735,1518,3003,2355,3134,1764,3948,3329,1888,2424, 1001,1234,1972,3321,3363,1672,1021,1450,1584, 226, 765, 655,2526,3404,3244,2302, 3665, 731, 594,2184, 319,1576, 621, 658,2656,4299,2099,3864,1279,2071,2598,2739, 795,3086,3699,3908,1707,2352,2402,1382,3136,2475,1465,4847,3496,3865,1085,3004, 2591,1084, 213,2287,1963,3565,2250, 822, 793,4574,3187,1772,1789,3050, 595,1484, 1959,2770,1080,2650, 456, 422,2996, 940,3322,4328,4345,3092,2742, 965,2784, 739, 4124, 952,1358,2498,2949,2565, 332,2698,2378, 660,2260,2473,4194,3856,2919, 535, 1260,2651,1208,1428,1300,1949,1303,2942, 433,2455,2450,1251,1946, 614,1269, 641, 1306,1810,2737,3078,2912, 564,2365,1419,1415,1497,4460,2367,2185,1379,3005,1307, 3218,2175,1897,3063, 682,1157,4040,4005,1712,1160,1941,1399, 394, 402,2952,1573, 1151,2986,2404, 862, 299,2033,1489,3006, 346, 171,2886,3401,1726,2932, 168,2533, 47,2507,1030,3735,1145,3370,1395,1318,1579,3609,4560,2857,4116,1457,2529,1965, 504,1036,2690,2988,2405, 745,5871, 849,2397,2056,3081, 863,2359,3857,2096, 99, 1397,1769,2300,4428,1643,3455,1978,1757,3718,1440, 35,4879,3742,1296,4228,2280, 160,5063,1599,2013, 166, 520,3479,1646,3345,3012, 490,1937,1545,1264,2182,2505, 1096,1188,1369,1436,2421,1667,2792,2460,1270,2122, 727,3167,2143, 806,1706,1012, 1800,3037, 960,2218,1882, 805, 139,2456,1139,1521, 851,1052,3093,3089, 342,2039, 744,5097,1468,1502,1585,2087, 223, 939, 326,2140,2577, 892,2481,1623,4077, 982, 3708, 135,2131, 87,2503,3114,2326,1106, 876,1616, 547,2997,2831,2093,3441,4530, 4314, 9,3256,4229,4148, 659,1462,1986,1710,2046,2913,2231,4090,4880,5255,3392, 3274,1368,3689,4645,1477, 705,3384,3635,1068,1529,2941,1458,3782,1509, 100,1656, 2548, 718,2339, 408,1590,2780,3548,1838,4117,3719,1345,3530, 717,3442,2778,3220, 2898,1892,4590,3614,3371,2043,1998,1224,3483, 891, 635, 584,2559,3355, 733,1766, 1729,1172,3789,1891,2307, 781,2982,2271,1957,1580,5773,2633,2005,4195,3097,1535, 3213,1189,1934,5693,3262, 586,3118,1324,1598, 517,1564,2217,1868,1893,4445,3728, 2703,3139,1526,1787,1992,3882,2875,1549,1199,1056,2224,1904,2711,5098,4287, 338, 1993,3129,3489,2689,1809,2815,1997, 957,1855,3898,2550,3275,3057,1105,1319, 627, 1505,1911,1883,3526, 698,3629,3456,1833,1431, 746, 77,1261,2017,2296,1977,1885, 125,1334,1600, 525,1798,1109,2222,1470,1945, 559,2236,1186,3443,2476,1929,1411, 2411,3135,1777,3372,2621,1841,1613,3229, 668,1430,1839,2643,2916, 195,1989,2671, 2358,1387, 629,3205,2293,5256,4439, 123,1310, 888,1879,4300,3021,3605,1003,1162, 3192,2910,2010, 140,2395,2859, 55,1082,2012,2901, 662, 419,2081,1438, 680,2774, 4654,3912,1620,1731,1625,5035,4065,2328, 512,1344, 802,5443,2163,2311,2537, 524, 3399, 98,1155,2103,1918,2606,3925,2816,1393,2465,1504,3773,2177,3963,1478,4346, 180,1113,4655,3461,2028,1698, 833,2696,1235,1322,1594,4408,3623,3013,3225,2040, 3022, 541,2881, 607,3632,2029,1665,1219, 639,1385,1686,1099,2803,3231,1938,3188, 2858, 427, 676,2772,1168,2025, 454,3253,2486,3556, 230,1950, 580, 791,1991,1280, 1086,1974,2034, 630, 257,3338,2788,4903,1017, 86,4790, 966,2789,1995,1696,1131, 259,3095,4188,1308, 179,1463,5257, 289,4107,1248, 42,3413,1725,2288, 896,1947, 774,4474,4254, 604,3430,4264, 392,2514,2588, 452, 237,1408,3018, 988,4531,1970, 3034,3310, 540,2370,1562,1288,2990, 502,4765,1147, 4,1853,2708, 207, 294,2814, 4078,2902,2509, 684, 34,3105,3532,2551, 644, 709,2801,2344, 573,1727,3573,3557, 2021,1081,3100,4315,2100,3681, 199,2263,1837,2385, 146,3484,1195,2776,3949, 997, 1939,3973,1008,1091,1202,1962,1847,1149,4209,5444,1076, 493, 117,5400,2521, 972, 1490,2934,1796,4542,2374,1512,2933,2657, 413,2888,1135,2762,2314,2156,1355,2369, 766,2007,2527,2170,3124,2491,2593,2632,4757,2437, 234,3125,3591,1898,1750,1376, 1942,3468,3138, 570,2127,2145,3276,4131, 962, 132,1445,4196, 19, 941,3624,3480, 3366,1973,1374,4461,3431,2629, 283,2415,2275, 808,2887,3620,2112,2563,1353,3610, 955,1089,3103,1053, 96, 88,4097, 823,3808,1583, 399, 292,4091,3313, 421,1128, 642,4006, 903,2539,1877,2082, 596, 29,4066,1790, 722,2157, 130, 995,1569, 769, 1485, 464, 513,2213, 288,1923,1101,2453,4316, 133, 486,2445, 50, 625, 487,2207, 57, 423, 481,2962, 159,3729,1558, 491, 303, 482, 501, 240,2837, 112,3648,2392, 1783, 362, 8,3433,3422, 610,2793,3277,1390,1284,1654, 21,3823, 734, 367, 623, 193, 287, 374,1009,1483, 816, 476, 313,2255,2340,1262,2150,2899,1146,2581, 782, 2116,1659,2018,1880, 255,3586,3314,1110,2867,2137,2564, 986,2767,5185,2006, 650, 158, 926, 762, 881,3157,2717,2362,3587, 306,3690,3245,1542,3077,2427,1691,2478, 2118,2985,3490,2438, 539,2305, 983, 129,1754, 355,4201,2386, 827,2923, 104,1773, 2838,2771, 411,2905,3919, 376, 767, 122,1114, 828,2422,1817,3506, 266,3460,1007, 1609,4998, 945,2612,4429,2274, 726,1247,1964,2914,2199,2070,4002,4108, 657,3323, 1422, 579, 455,2764,4737,1222,2895,1670, 824,1223,1487,2525, 558, 861,3080, 598, 2659,2515,1967, 752,2583,2376,2214,4180, 977, 704,2464,4999,2622,4109,1210,2961, 819,1541, 142,2284, 44, 418, 457,1126,3730,4347,4626,1644,1876,3671,1864, 302, 1063,5694, 624, 723,1984,3745,1314,1676,2488,1610,1449,3558,3569,2166,2098, 409, 1011,2325,3704,2306, 818,1732,1383,1824,1844,3757, 999,2705,3497,1216,1423,2683, 2426,2954,2501,2726,2229,1475,2554,5064,1971,1794,1666,2014,1343, 783, 724, 191, 2434,1354,2220,5065,1763,2752,2472,4152, 131, 175,2885,3434, 92,1466,4920,2616, 3871,3872,3866, 128,1551,1632, 669,1854,3682,4691,4125,1230, 188,2973,3290,1302, 1213, 560,3266, 917, 763,3909,3249,1760, 868,1958, 764,1782,2097, 145,2277,3774, 4462, 64,1491,3062, 971,2132,3606,2442, 221,1226,1617, 218, 323,1185,3207,3147, 571, 619,1473,1005,1744,2281, 449,1887,2396,3685, 275, 375,3816,1743,3844,3731, 845,1983,2350,4210,1377, 773, 967,3499,3052,3743,2725,4007,1697,1022,3943,1464, 3264,2855,2722,1952,1029,2839,2467, 84,4383,2215, 820,1391,2015,2448,3672, 377, 1948,2168, 797,2545,3536,2578,2645, 94,2874,1678, 405,1259,3071, 771, 546,1315, 470,1243,3083, 895,2468, 981, 969,2037, 846,4181, 653,1276,2928, 14,2594, 557, 3007,2474, 156, 902,1338,1740,2574, 537,2518, 973,2282,2216,2433,1928, 138,2903, 1293,2631,1612, 646,3457, 839,2935, 111, 496,2191,2847, 589,3186, 149,3994,2060, 4031,2641,4067,3145,1870, 37,3597,2136,1025,2051,3009,3383,3549,1121,1016,3261, 1301, 251,2446,2599,2153, 872,3246, 637, 334,3705, 831, 884, 921,3065,3140,4092, 2198,1944, 246,2964, 108,2045,1152,1921,2308,1031, 203,3173,4170,1907,3890, 810, 1401,2003,1690, 506, 647,1242,2828,1761,1649,3208,2249,1589,3709,2931,5156,1708, 498, 666,2613, 834,3817,1231, 184,2851,1124, 883,3197,2261,3710,1765,1553,2658, 1178,2639,2351, 93,1193, 942,2538,2141,4402, 235,1821, 870,1591,2192,1709,1871, 3341,1618,4126,2595,2334, 603, 651, 69, 701, 268,2662,3411,2555,1380,1606, 503, 448, 254,2371,2646, 574,1187,2309,1770, 322,2235,1292,1801, 305, 566,1133, 229, 2067,2057, 706, 167, 483,2002,2672,3295,1820,3561,3067, 316, 378,2746,3452,1112, 136,1981, 507,1651,2917,1117, 285,4591, 182,2580,3522,1304, 335,3303,1835,2504, 1795,1792,2248, 674,1018,2106,2449,1857,2292,2845, 976,3047,1781,2600,2727,1389, 1281, 52,3152, 153, 265,3950, 672,3485,3951,4463, 430,1183, 365, 278,2169, 27, 1407,1336,2304, 209,1340,1730,2202,1852,2403,2883, 979,1737,1062, 631,2829,2542, 3876,2592, 825,2086,2226,3048,3625, 352,1417,3724, 542, 991, 431,1351,3938,1861, 2294, 826,1361,2927,3142,3503,1738, 463,2462,2723, 582,1916,1595,2808, 400,3845, 3891,2868,3621,2254, 58,2492,1123, 910,2160,2614,1372,1603,1196,1072,3385,1700, 3267,1980, 696, 480,2430, 920, 799,1570,2920,1951,2041,4047,2540,1321,4223,2469, 3562,2228,1271,2602, 401,2833,3351,2575,5157, 907,2312,1256, 410, 263,3507,1582, 996, 678,1849,2316,1480, 908,3545,2237, 703,2322, 667,1826,2849,1531,2604,2999, 2407,3146,2151,2630,1786,3711, 469,3542, 497,3899,2409, 858, 837,4446,3393,1274, 786, 620,1845,2001,3311, 484, 308,3367,1204,1815,3691,2332,1532,2557,1842,2020, 2724,1927,2333,4440, 567, 22,1673,2728,4475,1987,1858,1144,1597, 101,1832,3601, 12, 974,3783,4391, 951,1412, 1,3720, 453,4608,4041, 528,1041,1027,3230,2628, 1129, 875,1051,3291,1203,2262,1069,2860,2799,2149,2615,3278, 144,1758,3040, 31, 475,1680, 366,2685,3184, 311,1642,4008,2466,5036,1593,1493,2809, 216,1420,1668, 233, 304,2128,3284, 232,1429,1768,1040,2008,3407,2740,2967,2543, 242,2133, 778, 1565,2022,2620, 505,2189,2756,1098,2273, 372,1614, 708, 553,2846,2094,2278, 169, 3626,2835,4161, 228,2674,3165, 809,1454,1309, 466,1705,1095, 900,3423, 880,2667, 3751,5258,2317,3109,2571,4317,2766,1503,1342, 866,4447,1118, 63,2076, 314,1881, 1348,1061, 172, 978,3515,1747, 532, 511,3970, 6, 601, 905,2699,3300,1751, 276, 1467,3725,2668, 65,4239,2544,2779,2556,1604, 578,2451,1802, 992,2331,2624,1320, 3446, 713,1513,1013, 103,2786,2447,1661, 886,1702, 916, 654,3574,2031,1556, 751, 2178,2821,2179,1498,1538,2176, 271, 914,2251,2080,1325, 638,1953,2937,3877,2432, 2754, 95,3265,1716, 260,1227,4083, 775, 106,1357,3254, 426,1607, 555,2480, 772, 1985, 244,2546, 474, 495,1046,2611,1851,2061, 71,2089,1675,2590, 742,3758,2843, 3222,1433, 267,2180,2576,2826,2233,2092,3913,2435, 956,1745,3075, 856,2113,1116, 451, 3,1988,2896,1398, 993,2463,1878,2049,1341,2718,2721,2870,2108, 712,2904, 4363,2753,2324, 277,2872,2349,2649, 384, 987, 435, 691,3000, 922, 164,3939, 652, 1500,1184,4153,2482,3373,2165,4848,2335,3775,3508,3154,2806,2830,1554,2102,1664, 2530,1434,2408, 893,1547,2623,3447,2832,2242,2532,3169,2856,3223,2078, 49,3770, 3469, 462, 318, 656,2259,3250,3069, 679,1629,2758, 344,1138,1104,3120,1836,1283, 3115,2154,1437,4448, 934, 759,1999, 794,2862,1038, 533,2560,1722,2342, 855,2626, 1197,1663,4476,3127, 85,4240,2528, 25,1111,1181,3673, 407,3470,4561,2679,2713, 768,1925,2841,3986,1544,1165, 932, 373,1240,2146,1930,2673, 721,4766, 354,4333, 391,2963, 187, 61,3364,1442,1102, 330,1940,1767, 341,3809,4118, 393,2496,2062, 2211, 105, 331, 300, 439, 913,1332, 626, 379,3304,1557, 328, 689,3952, 309,1555, 931, 317,2517,3027, 325, 569, 686,2107,3084, 60,1042,1333,2794, 264,3177,4014, 1628, 258,3712, 7,4464,1176,1043,1778, 683, 114,1975, 78,1492, 383,1886, 510, 386, 645,5291,2891,2069,3305,4138,3867,2939,2603,2493,1935,1066,1848,3588,1015, 1282,1289,4609, 697,1453,3044,2666,3611,1856,2412, 54, 719,1330, 568,3778,2459, 1748, 788, 492, 551,1191,1000, 488,3394,3763, 282,1799, 348,2016,1523,3155,2390, 1049, 382,2019,1788,1170, 729,2968,3523, 897,3926,2785,2938,3292, 350,2319,3238, 1718,1717,2655,3453,3143,4465, 161,2889,2980,2009,1421, 56,1908,1640,2387,2232, 1917,1874,2477,4921, 148, 83,3438, 592,4245,2882,1822,1055, 741, 115,1496,1624, 381,1638,4592,1020, 516,3214, 458, 947,4575,1432, 211,1514,2926,1865,2142, 189, 852,1221,1400,1486, 882,2299,4036, 351, 28,1122, 700,6479,6480,6481,6482,6483, #last 512 ) _vendor/chardet/gb2312prober.py 0000644 00000003332 15114542003 0012272 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .mbcharsetprober import MultiByteCharSetProber from .codingstatemachine import CodingStateMachine from .chardistribution import GB2312DistributionAnalysis from .mbcssm import GB2312_SM_MODEL class GB2312Prober(MultiByteCharSetProber): def __init__(self): super(GB2312Prober, self).__init__() self.coding_sm = CodingStateMachine(GB2312_SM_MODEL) self.distribution_analyzer = GB2312DistributionAnalysis() self.reset() @property def charset_name(self): return "GB2312" @property def language(self): return "Chinese" _vendor/chardet/hebrewprober.py 0000644 00000033016 15114542003 0012650 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Shy Shalom # Portions created by the Initial Developer are Copyright (C) 2005 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetprober import CharSetProber from .enums import ProbingState # This prober doesn't actually recognize a language or a charset. # It is a helper prober for the use of the Hebrew model probers ### General ideas of the Hebrew charset recognition ### # # Four main charsets exist in Hebrew: # "ISO-8859-8" - Visual Hebrew # "windows-1255" - Logical Hebrew # "ISO-8859-8-I" - Logical Hebrew # "x-mac-hebrew" - ?? Logical Hebrew ?? # # Both "ISO" charsets use a completely identical set of code points, whereas # "windows-1255" and "x-mac-hebrew" are two different proper supersets of # these code points. windows-1255 defines additional characters in the range # 0x80-0x9F as some misc punctuation marks as well as some Hebrew-specific # diacritics and additional 'Yiddish' ligature letters in the range 0xc0-0xd6. # x-mac-hebrew defines similar additional code points but with a different # mapping. # # As far as an average Hebrew text with no diacritics is concerned, all four # charsets are identical with respect to code points. Meaning that for the # main Hebrew alphabet, all four map the same values to all 27 Hebrew letters # (including final letters). # # The dominant difference between these charsets is their directionality. # "Visual" directionality means that the text is ordered as if the renderer is # not aware of a BIDI rendering algorithm. The renderer sees the text and # draws it from left to right. The text itself when ordered naturally is read # backwards. A buffer of Visual Hebrew generally looks like so: # "[last word of first line spelled backwards] [whole line ordered backwards # and spelled backwards] [first word of first line spelled backwards] # [end of line] [last word of second line] ... etc' " # adding punctuation marks, numbers and English text to visual text is # naturally also "visual" and from left to right. # # "Logical" directionality means the text is ordered "naturally" according to # the order it is read. It is the responsibility of the renderer to display # the text from right to left. A BIDI algorithm is used to place general # punctuation marks, numbers and English text in the text. # # Texts in x-mac-hebrew are almost impossible to find on the Internet. From # what little evidence I could find, it seems that its general directionality # is Logical. # # To sum up all of the above, the Hebrew probing mechanism knows about two # charsets: # Visual Hebrew - "ISO-8859-8" - backwards text - Words and sentences are # backwards while line order is natural. For charset recognition purposes # the line order is unimportant (In fact, for this implementation, even # word order is unimportant). # Logical Hebrew - "windows-1255" - normal, naturally ordered text. # # "ISO-8859-8-I" is a subset of windows-1255 and doesn't need to be # specifically identified. # "x-mac-hebrew" is also identified as windows-1255. A text in x-mac-hebrew # that contain special punctuation marks or diacritics is displayed with # some unconverted characters showing as question marks. This problem might # be corrected using another model prober for x-mac-hebrew. Due to the fact # that x-mac-hebrew texts are so rare, writing another model prober isn't # worth the effort and performance hit. # #### The Prober #### # # The prober is divided between two SBCharSetProbers and a HebrewProber, # all of which are managed, created, fed data, inquired and deleted by the # SBCSGroupProber. The two SBCharSetProbers identify that the text is in # fact some kind of Hebrew, Logical or Visual. The final decision about which # one is it is made by the HebrewProber by combining final-letter scores # with the scores of the two SBCharSetProbers to produce a final answer. # # The SBCSGroupProber is responsible for stripping the original text of HTML # tags, English characters, numbers, low-ASCII punctuation characters, spaces # and new lines. It reduces any sequence of such characters to a single space. # The buffer fed to each prober in the SBCS group prober is pure text in # high-ASCII. # The two SBCharSetProbers (model probers) share the same language model: # Win1255Model. # The first SBCharSetProber uses the model normally as any other # SBCharSetProber does, to recognize windows-1255, upon which this model was # built. The second SBCharSetProber is told to make the pair-of-letter # lookup in the language model backwards. This in practice exactly simulates # a visual Hebrew model using the windows-1255 logical Hebrew model. # # The HebrewProber is not using any language model. All it does is look for # final-letter evidence suggesting the text is either logical Hebrew or visual # Hebrew. Disjointed from the model probers, the results of the HebrewProber # alone are meaningless. HebrewProber always returns 0.00 as confidence # since it never identifies a charset by itself. Instead, the pointer to the # HebrewProber is passed to the model probers as a helper "Name Prober". # When the Group prober receives a positive identification from any prober, # it asks for the name of the charset identified. If the prober queried is a # Hebrew model prober, the model prober forwards the call to the # HebrewProber to make the final decision. In the HebrewProber, the # decision is made according to the final-letters scores maintained and Both # model probers scores. The answer is returned in the form of the name of the # charset identified, either "windows-1255" or "ISO-8859-8". class HebrewProber(CharSetProber): # windows-1255 / ISO-8859-8 code points of interest FINAL_KAF = 0xea NORMAL_KAF = 0xeb FINAL_MEM = 0xed NORMAL_MEM = 0xee FINAL_NUN = 0xef NORMAL_NUN = 0xf0 FINAL_PE = 0xf3 NORMAL_PE = 0xf4 FINAL_TSADI = 0xf5 NORMAL_TSADI = 0xf6 # Minimum Visual vs Logical final letter score difference. # If the difference is below this, don't rely solely on the final letter score # distance. MIN_FINAL_CHAR_DISTANCE = 5 # Minimum Visual vs Logical model score difference. # If the difference is below this, don't rely at all on the model score # distance. MIN_MODEL_DISTANCE = 0.01 VISUAL_HEBREW_NAME = "ISO-8859-8" LOGICAL_HEBREW_NAME = "windows-1255" def __init__(self): super(HebrewProber, self).__init__() self._final_char_logical_score = None self._final_char_visual_score = None self._prev = None self._before_prev = None self._logical_prober = None self._visual_prober = None self.reset() def reset(self): self._final_char_logical_score = 0 self._final_char_visual_score = 0 # The two last characters seen in the previous buffer, # mPrev and mBeforePrev are initialized to space in order to simulate # a word delimiter at the beginning of the data self._prev = ' ' self._before_prev = ' ' # These probers are owned by the group prober. def set_model_probers(self, logicalProber, visualProber): self._logical_prober = logicalProber self._visual_prober = visualProber def is_final(self, c): return c in [self.FINAL_KAF, self.FINAL_MEM, self.FINAL_NUN, self.FINAL_PE, self.FINAL_TSADI] def is_non_final(self, c): # The normal Tsadi is not a good Non-Final letter due to words like # 'lechotet' (to chat) containing an apostrophe after the tsadi. This # apostrophe is converted to a space in FilterWithoutEnglishLetters # causing the Non-Final tsadi to appear at an end of a word even # though this is not the case in the original text. # The letters Pe and Kaf rarely display a related behavior of not being # a good Non-Final letter. Words like 'Pop', 'Winamp' and 'Mubarak' # for example legally end with a Non-Final Pe or Kaf. However, the # benefit of these letters as Non-Final letters outweighs the damage # since these words are quite rare. return c in [self.NORMAL_KAF, self.NORMAL_MEM, self.NORMAL_NUN, self.NORMAL_PE] def feed(self, byte_str): # Final letter analysis for logical-visual decision. # Look for evidence that the received buffer is either logical Hebrew # or visual Hebrew. # The following cases are checked: # 1) A word longer than 1 letter, ending with a final letter. This is # an indication that the text is laid out "naturally" since the # final letter really appears at the end. +1 for logical score. # 2) A word longer than 1 letter, ending with a Non-Final letter. In # normal Hebrew, words ending with Kaf, Mem, Nun, Pe or Tsadi, # should not end with the Non-Final form of that letter. Exceptions # to this rule are mentioned above in isNonFinal(). This is an # indication that the text is laid out backwards. +1 for visual # score # 3) A word longer than 1 letter, starting with a final letter. Final # letters should not appear at the beginning of a word. This is an # indication that the text is laid out backwards. +1 for visual # score. # # The visual score and logical score are accumulated throughout the # text and are finally checked against each other in GetCharSetName(). # No checking for final letters in the middle of words is done since # that case is not an indication for either Logical or Visual text. # # We automatically filter out all 7-bit characters (replace them with # spaces) so the word boundary detection works properly. [MAP] if self.state == ProbingState.NOT_ME: # Both model probers say it's not them. No reason to continue. return ProbingState.NOT_ME byte_str = self.filter_high_byte_only(byte_str) for cur in byte_str: if cur == ' ': # We stand on a space - a word just ended if self._before_prev != ' ': # next-to-last char was not a space so self._prev is not a # 1 letter word if self.is_final(self._prev): # case (1) [-2:not space][-1:final letter][cur:space] self._final_char_logical_score += 1 elif self.is_non_final(self._prev): # case (2) [-2:not space][-1:Non-Final letter][ # cur:space] self._final_char_visual_score += 1 else: # Not standing on a space if ((self._before_prev == ' ') and (self.is_final(self._prev)) and (cur != ' ')): # case (3) [-2:space][-1:final letter][cur:not space] self._final_char_visual_score += 1 self._before_prev = self._prev self._prev = cur # Forever detecting, till the end or until both model probers return # ProbingState.NOT_ME (handled above) return ProbingState.DETECTING @property def charset_name(self): # Make the decision: is it Logical or Visual? # If the final letter score distance is dominant enough, rely on it. finalsub = self._final_char_logical_score - self._final_char_visual_score if finalsub >= self.MIN_FINAL_CHAR_DISTANCE: return self.LOGICAL_HEBREW_NAME if finalsub <= -self.MIN_FINAL_CHAR_DISTANCE: return self.VISUAL_HEBREW_NAME # It's not dominant enough, try to rely on the model scores instead. modelsub = (self._logical_prober.get_confidence() - self._visual_prober.get_confidence()) if modelsub > self.MIN_MODEL_DISTANCE: return self.LOGICAL_HEBREW_NAME if modelsub < -self.MIN_MODEL_DISTANCE: return self.VISUAL_HEBREW_NAME # Still no good, back to final letter distance, maybe it'll save the # day. if finalsub < 0.0: return self.VISUAL_HEBREW_NAME # (finalsub > 0 - Logical) or (don't know what to do) default to # Logical. return self.LOGICAL_HEBREW_NAME @property def language(self): return 'Hebrew' @property def state(self): # Remain active as long as any of the model probers are active. if (self._logical_prober.state == ProbingState.NOT_ME) and \ (self._visual_prober.state == ProbingState.NOT_ME): return ProbingState.NOT_ME return ProbingState.DETECTING _vendor/chardet/jisfreq.py 0000644 00000062261 15114542003 0011631 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # Sampling from about 20M text materials include literature and computer technology # # Japanese frequency table, applied to both S-JIS and EUC-JP # They are sorted in order. # 128 --> 0.77094 # 256 --> 0.85710 # 512 --> 0.92635 # 1024 --> 0.97130 # 2048 --> 0.99431 # # Ideal Distribution Ratio = 0.92635 / (1-0.92635) = 12.58 # Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191 # # Typical Distribution Ratio, 25% of IDR JIS_TYPICAL_DISTRIBUTION_RATIO = 3.0 # Char to FreqOrder table , JIS_TABLE_SIZE = 4368 JIS_CHAR_TO_FREQ_ORDER = ( 40, 1, 6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, # 16 3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247, 18, 179,5071, 856,1661, # 32 1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, # 48 2042,1061,1062, 48, 49, 44, 45, 433, 434,1040,1041, 996, 787,2997,1255,4305, # 64 2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, # 80 5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, # 96 1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, # 112 5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, # 128 5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, # 144 5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, # 160 5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, # 176 5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, # 192 5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, # 208 1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, # 224 1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, # 240 1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, # 256 2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, # 272 3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161, 26,3377, 2,3929, 20, # 288 3691, 47,4100, 50, 17, 16, 35, 268, 27, 243, 42, 155, 24, 154, 29, 184, # 304 4, 91, 14, 92, 53, 396, 33, 289, 9, 37, 64, 620, 21, 39, 321, 5, # 320 12, 11, 52, 13, 3, 208, 138, 0, 7, 60, 526, 141, 151,1069, 181, 275, # 336 1591, 83, 132,1475, 126, 331, 829, 15, 69, 160, 59, 22, 157, 55,1079, 312, # 352 109, 38, 23, 25, 10, 19, 79,5195, 61, 382,1124, 8, 30,5196,5197,5198, # 368 5199,5200,5201,5202,5203,5204,5205,5206, 89, 62, 74, 34,2416, 112, 139, 196, # 384 271, 149, 84, 607, 131, 765, 46, 88, 153, 683, 76, 874, 101, 258, 57, 80, # 400 32, 364, 121,1508, 169,1547, 68, 235, 145,2999, 41, 360,3027, 70, 63, 31, # 416 43, 259, 262,1383, 99, 533, 194, 66, 93, 846, 217, 192, 56, 106, 58, 565, # 432 280, 272, 311, 256, 146, 82, 308, 71, 100, 128, 214, 655, 110, 261, 104,1140, # 448 54, 51, 36, 87, 67,3070, 185,2618,2936,2020, 28,1066,2390,2059,5207,5208, # 464 5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, # 480 5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, # 496 5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, # 512 4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, # 528 5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, # 544 5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, # 560 5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, # 576 5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, # 592 5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, # 608 5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, # 624 5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, # 640 5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, # 656 5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, # 672 3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, # 688 5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, # 704 5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, # 720 5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, # 736 5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, # 752 5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, # 768 5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, # 784 5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, # 800 5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, # 816 5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, # 832 5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, # 848 5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, # 864 5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, # 880 5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, # 896 5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, # 912 5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, # 928 5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, # 944 5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, # 960 5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, # 976 5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, # 992 5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, # 1008 5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, # 1024 5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, # 1040 5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, # 1056 5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, # 1072 5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, # 1088 5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, # 1104 5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, # 1120 5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, # 1136 5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, # 1152 5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, # 1168 5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, # 1184 5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, # 1200 5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, # 1216 5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, # 1232 5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, # 1248 5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, # 1264 5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, # 1280 5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, # 1296 6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, # 1312 6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, # 1328 6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, # 1344 6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, # 1360 6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, # 1376 6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, # 1392 6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, # 1408 6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, # 1424 4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, # 1440 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, # 1456 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, # 1472 1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619, 65,3302,2045, # 1488 1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, # 1504 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, # 1520 3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, # 1536 3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, # 1552 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, # 1568 3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, # 1584 3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, # 1600 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, # 1616 2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, # 1632 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, # 1648 3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, # 1664 1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, # 1680 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, # 1696 1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, # 1712 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, # 1728 2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, # 1744 2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, # 1760 2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, # 1776 2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, # 1792 1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, # 1808 1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, # 1824 1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, # 1840 1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, # 1856 2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, # 1872 1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, # 1888 2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, # 1904 1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, # 1920 1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, # 1936 1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, # 1952 1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, # 1968 1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, # 1984 1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, # 2000 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, # 2016 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, # 2032 1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, # 2048 2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, # 2064 2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, # 2080 2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, # 2096 3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, # 2112 3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, # 2128 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, # 2144 3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, # 2160 1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876, 78,2287,1482,1277, # 2176 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, # 2192 2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, # 2208 1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, # 2224 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, # 2240 3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, # 2256 4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, # 2272 2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, # 2288 1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, # 2304 2601,1919,1078, 75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, # 2320 1075, 292,3818,1756,2602, 317, 98,3173,3605,3525,1844,2218,3819,2502, 814, 567, # 2336 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, # 2352 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, # 2368 1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, # 2384 2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, # 2400 2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, # 2416 2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, # 2432 3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, # 2448 1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, # 2464 2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, # 2480 359,2291,1676, 73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, # 2496 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, # 2512 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, # 2528 1209, 96, 587,2166,1032, 260,1072,2153, 173, 94, 226,3244, 819,2006,4642,4114, # 2544 2203, 231,1744, 782, 97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, # 2560 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, # 2576 1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, # 2592 1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, # 2608 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, # 2624 1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, # 2640 1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, # 2656 1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, # 2672 764,2861,1853, 688,2429,1920,1462, 77, 595, 415,2002,3034, 798,1192,4115,6144, # 2688 2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, # 2704 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, # 2720 2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, # 2736 3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, # 2752 2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, # 2768 1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, # 2784 6147, 441, 762,1771,3447,3607,3608,1904, 840,3037, 86, 939,1385, 572,1370,2445, # 2800 1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, # 2816 2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, # 2832 1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, # 2848 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, # 2864 72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, # 2880 3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, # 2896 3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, # 2912 1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, # 2928 1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, # 2944 1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, # 2960 1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, # 2976 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, # 2992 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, # 3008 2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, # 3024 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, # 3040 3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, # 3056 2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, # 3072 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, # 3088 1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, # 3104 2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, # 3120 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, # 3136 1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, # 3152 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, # 3168 4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, # 3184 2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, # 3200 1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, # 3216 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, # 3232 1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, # 3248 2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, # 3264 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, # 3280 6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, # 3296 1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, # 3312 1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, # 3328 2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, # 3344 3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, # 3360 914,2550,2587, 81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, # 3376 3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, # 3392 1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, # 3408 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, # 3424 1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, # 3440 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, # 3456 3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, # 3472 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, # 3488 2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, # 3504 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, # 3520 4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, # 3536 2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, # 3552 1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, # 3568 1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, # 3584 1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, # 3600 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, # 3616 1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, # 3632 3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, # 3648 1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, # 3664 3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, # 3680 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, # 3696 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, # 3712 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, # 3728 2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, # 3744 1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, # 3760 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, # 3776 1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, # 3792 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, # 3808 1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, # 3824 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, # 3840 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, # 3856 480,2083,1774,3458, 923,2279,1350, 221,3086, 85,2233,2234,3835,1585,3010,2147, # 3872 1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, # 3888 1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, # 3904 2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, # 3920 4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, # 3936 227,1351,1645,2453,2193,1421,2887, 812,2121, 634, 95,2435, 201,2312,4665,1646, # 3952 1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, # 3968 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, # 3984 1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, # 4000 3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, # 4016 1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, # 4032 2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, # 4048 2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, # 4064 1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, # 4080 1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, # 4096 2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, # 4112 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, # 4128 2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, # 4144 1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, # 4160 1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, # 4176 1279,2136,1697,2335, 204, 721,2097,3838, 90,6186,2085,2505, 191,3967, 124,2148, # 4192 1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, # 4208 3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, # 4224 2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, # 4240 2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, # 4256 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, # 4272 3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, # 4288 3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, # 4304 1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, # 4320 2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, # 4336 1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, # 4352 2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, # 4368 #last 512 ) _vendor/chardet/jpcntx.py 0000644 00000046273 15114542003 0011501 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Communicator client code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### # This is hiragana 2-char sequence table, the number in each cell represents its frequency category jp2CharContext = ( (0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1), (2,4,0,4,0,3,0,4,0,3,4,4,4,2,4,3,3,4,3,2,3,3,4,2,3,3,3,2,4,1,4,3,3,1,5,4,3,4,3,4,3,5,3,0,3,5,4,2,0,3,1,0,3,3,0,3,3,0,1,1,0,4,3,0,3,3,0,4,0,2,0,3,5,5,5,5,4,0,4,1,0,3,4), (0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2), (0,4,0,5,0,5,0,4,0,4,5,4,4,3,5,3,5,1,5,3,4,3,4,4,3,4,3,3,4,3,5,4,4,3,5,5,3,5,5,5,3,5,5,3,4,5,5,3,1,3,2,0,3,4,0,4,2,0,4,2,1,5,3,2,3,5,0,4,0,2,0,5,4,4,5,4,5,0,4,0,0,4,4), (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), (0,3,0,4,0,3,0,3,0,4,5,4,3,3,3,3,4,3,5,4,4,3,5,4,4,3,4,3,4,4,4,4,5,3,4,4,3,4,5,5,4,5,5,1,4,5,4,3,0,3,3,1,3,3,0,4,4,0,3,3,1,5,3,3,3,5,0,4,0,3,0,4,4,3,4,3,3,0,4,1,1,3,4), (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), (0,4,0,3,0,3,0,4,0,3,4,4,3,2,2,1,2,1,3,1,3,3,3,3,3,4,3,1,3,3,5,3,3,0,4,3,0,5,4,3,3,5,4,4,3,4,4,5,0,1,2,0,1,2,0,2,2,0,1,0,0,5,2,2,1,4,0,3,0,1,0,4,4,3,5,4,3,0,2,1,0,4,3), (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), (0,3,0,5,0,4,0,2,1,4,4,2,4,1,4,2,4,2,4,3,3,3,4,3,3,3,3,1,4,2,3,3,3,1,4,4,1,1,1,4,3,3,2,0,2,4,3,2,0,3,3,0,3,1,1,0,0,0,3,3,0,4,2,2,3,4,0,4,0,3,0,4,4,5,3,4,4,0,3,0,0,1,4), (1,4,0,4,0,4,0,4,0,3,5,4,4,3,4,3,5,4,3,3,4,3,5,4,4,4,4,3,4,2,4,3,3,1,5,4,3,2,4,5,4,5,5,4,4,5,4,4,0,3,2,2,3,3,0,4,3,1,3,2,1,4,3,3,4,5,0,3,0,2,0,4,5,5,4,5,4,0,4,0,0,5,4), (0,5,0,5,0,4,0,3,0,4,4,3,4,3,3,3,4,0,4,4,4,3,4,3,4,3,3,1,4,2,4,3,4,0,5,4,1,4,5,4,4,5,3,2,4,3,4,3,2,4,1,3,3,3,2,3,2,0,4,3,3,4,3,3,3,4,0,4,0,3,0,4,5,4,4,4,3,0,4,1,0,1,3), (0,3,1,4,0,3,0,2,0,3,4,4,3,1,4,2,3,3,4,3,4,3,4,3,4,4,3,2,3,1,5,4,4,1,4,4,3,5,4,4,3,5,5,4,3,4,4,3,1,2,3,1,2,2,0,3,2,0,3,1,0,5,3,3,3,4,3,3,3,3,4,4,4,4,5,4,2,0,3,3,2,4,3), (0,2,0,3,0,1,0,1,0,0,3,2,0,0,2,0,1,0,2,1,3,3,3,1,2,3,1,0,1,0,4,2,1,1,3,3,0,4,3,3,1,4,3,3,0,3,3,2,0,0,0,0,1,0,0,2,0,0,0,0,0,4,1,0,2,3,2,2,2,1,3,3,3,4,4,3,2,0,3,1,0,3,3), (0,4,0,4,0,3,0,3,0,4,4,4,3,3,3,3,3,3,4,3,4,2,4,3,4,3,3,2,4,3,4,5,4,1,4,5,3,5,4,5,3,5,4,0,3,5,5,3,1,3,3,2,2,3,0,3,4,1,3,3,2,4,3,3,3,4,0,4,0,3,0,4,5,4,4,5,3,0,4,1,0,3,4), (0,2,0,3,0,3,0,0,0,2,2,2,1,0,1,0,0,0,3,0,3,0,3,0,1,3,1,0,3,1,3,3,3,1,3,3,3,0,1,3,1,3,4,0,0,3,1,1,0,3,2,0,0,0,0,1,3,0,1,0,0,3,3,2,0,3,0,0,0,0,0,3,4,3,4,3,3,0,3,0,0,2,3), (2,3,0,3,0,2,0,1,0,3,3,4,3,1,3,1,1,1,3,1,4,3,4,3,3,3,0,0,3,1,5,4,3,1,4,3,2,5,5,4,4,4,4,3,3,4,4,4,0,2,1,1,3,2,0,1,2,0,0,1,0,4,1,3,3,3,0,3,0,1,0,4,4,4,5,5,3,0,2,0,0,4,4), (0,2,0,1,0,3,1,3,0,2,3,3,3,0,3,1,0,0,3,0,3,2,3,1,3,2,1,1,0,0,4,2,1,0,2,3,1,4,3,2,0,4,4,3,1,3,1,3,0,1,0,0,1,0,0,0,1,0,0,0,0,4,1,1,1,2,0,3,0,0,0,3,4,2,4,3,2,0,1,0,0,3,3), (0,1,0,4,0,5,0,4,0,2,4,4,2,3,3,2,3,3,5,3,3,3,4,3,4,2,3,0,4,3,3,3,4,1,4,3,2,1,5,5,3,4,5,1,3,5,4,2,0,3,3,0,1,3,0,4,2,0,1,3,1,4,3,3,3,3,0,3,0,1,0,3,4,4,4,5,5,0,3,0,1,4,5), (0,2,0,3,0,3,0,0,0,2,3,1,3,0,4,0,1,1,3,0,3,4,3,2,3,1,0,3,3,2,3,1,3,0,2,3,0,2,1,4,1,2,2,0,0,3,3,0,0,2,0,0,0,1,0,0,0,0,2,2,0,3,2,1,3,3,0,2,0,2,0,0,3,3,1,2,4,0,3,0,2,2,3), (2,4,0,5,0,4,0,4,0,2,4,4,4,3,4,3,3,3,1,2,4,3,4,3,4,4,5,0,3,3,3,3,2,0,4,3,1,4,3,4,1,4,4,3,3,4,4,3,1,2,3,0,4,2,0,4,1,0,3,3,0,4,3,3,3,4,0,4,0,2,0,3,5,3,4,5,2,0,3,0,0,4,5), (0,3,0,4,0,1,0,1,0,1,3,2,2,1,3,0,3,0,2,0,2,0,3,0,2,0,0,0,1,0,1,1,0,0,3,1,0,0,0,4,0,3,1,0,2,1,3,0,0,0,0,0,0,3,0,0,0,0,0,0,0,4,2,2,3,1,0,3,0,0,0,1,4,4,4,3,0,0,4,0,0,1,4), (1,4,1,5,0,3,0,3,0,4,5,4,4,3,5,3,3,4,4,3,4,1,3,3,3,3,2,1,4,1,5,4,3,1,4,4,3,5,4,4,3,5,4,3,3,4,4,4,0,3,3,1,2,3,0,3,1,0,3,3,0,5,4,4,4,4,4,4,3,3,5,4,4,3,3,5,4,0,3,2,0,4,4), (0,2,0,3,0,1,0,0,0,1,3,3,3,2,4,1,3,0,3,1,3,0,2,2,1,1,0,0,2,0,4,3,1,0,4,3,0,4,4,4,1,4,3,1,1,3,3,1,0,2,0,0,1,3,0,0,0,0,2,0,0,4,3,2,4,3,5,4,3,3,3,4,3,3,4,3,3,0,2,1,0,3,3), (0,2,0,4,0,3,0,2,0,2,5,5,3,4,4,4,4,1,4,3,3,0,4,3,4,3,1,3,3,2,4,3,0,3,4,3,0,3,4,4,2,4,4,0,4,5,3,3,2,2,1,1,1,2,0,1,5,0,3,3,2,4,3,3,3,4,0,3,0,2,0,4,4,3,5,5,0,0,3,0,2,3,3), (0,3,0,4,0,3,0,1,0,3,4,3,3,1,3,3,3,0,3,1,3,0,4,3,3,1,1,0,3,0,3,3,0,0,4,4,0,1,5,4,3,3,5,0,3,3,4,3,0,2,0,1,1,1,0,1,3,0,1,2,1,3,3,2,3,3,0,3,0,1,0,1,3,3,4,4,1,0,1,2,2,1,3), (0,1,0,4,0,4,0,3,0,1,3,3,3,2,3,1,1,0,3,0,3,3,4,3,2,4,2,0,1,0,4,3,2,0,4,3,0,5,3,3,2,4,4,4,3,3,3,4,0,1,3,0,0,1,0,0,1,0,0,0,0,4,2,3,3,3,0,3,0,0,0,4,4,4,5,3,2,0,3,3,0,3,5), (0,2,0,3,0,0,0,3,0,1,3,0,2,0,0,0,1,0,3,1,1,3,3,0,0,3,0,0,3,0,2,3,1,0,3,1,0,3,3,2,0,4,2,2,0,2,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,2,1,2,0,1,0,1,0,0,0,1,3,1,2,0,0,0,1,0,0,1,4), 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(0,1,0,3,0,4,0,3,0,2,4,3,1,0,3,2,2,1,3,1,2,2,3,1,1,1,2,1,3,0,1,2,0,1,3,2,1,3,0,5,5,1,0,0,1,3,2,1,0,3,0,0,1,0,0,0,0,0,3,4,0,1,1,1,3,2,0,2,0,1,0,2,3,3,1,2,3,0,1,0,1,0,4), (0,0,0,1,0,3,0,3,0,2,2,1,0,0,4,0,3,0,3,1,3,0,3,0,3,0,1,0,3,0,3,1,3,0,3,3,0,0,1,2,1,1,1,0,1,2,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,2,2,1,2,0,0,2,0,0,0,0,2,3,3,3,3,0,0,0,0,1,4), (0,0,0,3,0,3,0,0,0,0,3,1,1,0,3,0,1,0,2,0,1,0,0,0,0,0,0,0,1,0,3,0,2,0,2,3,0,0,2,2,3,1,2,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,2,0,0,0,0,2,3), (2,4,0,5,0,5,0,4,0,3,4,3,3,3,4,3,3,3,4,3,4,4,5,4,5,5,5,2,3,0,5,5,4,1,5,4,3,1,5,4,3,4,4,3,3,4,3,3,0,3,2,0,2,3,0,3,0,0,3,3,0,5,3,2,3,3,0,3,0,3,0,3,4,5,4,5,3,0,4,3,0,3,4), (0,3,0,3,0,3,0,3,0,3,3,4,3,2,3,2,3,0,4,3,3,3,3,3,3,3,3,0,3,2,4,3,3,1,3,4,3,4,4,4,3,4,4,3,2,4,4,1,0,2,0,0,1,1,0,2,0,0,3,1,0,5,3,2,1,3,0,3,0,1,2,4,3,2,4,3,3,0,3,2,0,4,4), (0,3,0,3,0,1,0,0,0,1,4,3,3,2,3,1,3,1,4,2,3,2,4,2,3,4,3,0,2,2,3,3,3,0,3,3,3,0,3,4,1,3,3,0,3,4,3,3,0,1,1,0,1,0,0,0,4,0,3,0,0,3,1,2,1,3,0,4,0,1,0,4,3,3,4,3,3,0,2,0,0,3,3), (0,3,0,4,0,1,0,3,0,3,4,3,3,0,3,3,3,1,3,1,3,3,4,3,3,3,0,0,3,1,5,3,3,1,3,3,2,5,4,3,3,4,5,3,2,5,3,4,0,1,0,0,0,0,0,2,0,0,1,1,0,4,2,2,1,3,0,3,0,2,0,4,4,3,5,3,2,0,1,1,0,3,4), (0,5,0,4,0,5,0,2,0,4,4,3,3,2,3,3,3,1,4,3,4,1,5,3,4,3,4,0,4,2,4,3,4,1,5,4,0,4,4,4,4,5,4,1,3,5,4,2,1,4,1,1,3,2,0,3,1,0,3,2,1,4,3,3,3,4,0,4,0,3,0,4,4,4,3,3,3,0,4,2,0,3,4), (1,4,0,4,0,3,0,1,0,3,3,3,1,1,3,3,2,2,3,3,1,0,3,2,2,1,2,0,3,1,2,1,2,0,3,2,0,2,2,3,3,4,3,0,3,3,1,2,0,1,1,3,1,2,0,0,3,0,1,1,0,3,2,2,3,3,0,3,0,0,0,2,3,3,4,3,3,0,1,0,0,1,4), (0,4,0,4,0,4,0,0,0,3,4,4,3,1,4,2,3,2,3,3,3,1,4,3,4,0,3,0,4,2,3,3,2,2,5,4,2,1,3,4,3,4,3,1,3,3,4,2,0,2,1,0,3,3,0,0,2,0,3,1,0,4,4,3,4,3,0,4,0,1,0,2,4,4,4,4,4,0,3,2,0,3,3), (0,0,0,1,0,4,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,3,2,0,0,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,2), (0,2,0,3,0,4,0,4,0,1,3,3,3,0,4,0,2,1,2,1,1,1,2,0,3,1,1,0,1,0,3,1,0,0,3,3,2,0,1,1,0,0,0,0,0,1,0,2,0,2,2,0,3,1,0,0,1,0,1,1,0,1,2,0,3,0,0,0,0,1,0,0,3,3,4,3,1,0,1,0,3,0,2), (0,0,0,3,0,5,0,0,0,0,1,0,2,0,3,1,0,1,3,0,0,0,2,0,0,0,1,0,0,0,1,1,0,0,4,0,0,0,2,3,0,1,4,1,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,1,0,0,0,0,0,0,0,2,0,0,3,0,0,0,0,0,3), (0,2,0,5,0,5,0,1,0,2,4,3,3,2,5,1,3,2,3,3,3,0,4,1,2,0,3,0,4,0,2,2,1,1,5,3,0,0,1,4,2,3,2,0,3,3,3,2,0,2,4,1,1,2,0,1,1,0,3,1,0,1,3,1,2,3,0,2,0,0,0,1,3,5,4,4,4,0,3,0,0,1,3), (0,4,0,5,0,4,0,4,0,4,5,4,3,3,4,3,3,3,4,3,4,4,5,3,4,5,4,2,4,2,3,4,3,1,4,4,1,3,5,4,4,5,5,4,4,5,5,5,2,3,3,1,4,3,1,3,3,0,3,3,1,4,3,4,4,4,0,3,0,4,0,3,3,4,4,5,0,0,4,3,0,4,5), (0,4,0,4,0,3,0,3,0,3,4,4,4,3,3,2,4,3,4,3,4,3,5,3,4,3,2,1,4,2,4,4,3,1,3,4,2,4,5,5,3,4,5,4,1,5,4,3,0,3,2,2,3,2,1,3,1,0,3,3,3,5,3,3,3,5,4,4,2,3,3,4,3,3,3,2,1,0,3,2,1,4,3), (0,4,0,5,0,4,0,3,0,3,5,5,3,2,4,3,4,0,5,4,4,1,4,4,4,3,3,3,4,3,5,5,2,3,3,4,1,2,5,5,3,5,5,2,3,5,5,4,0,3,2,0,3,3,1,1,5,1,4,1,0,4,3,2,3,5,0,4,0,3,0,5,4,3,4,3,0,0,4,1,0,4,4), (1,3,0,4,0,2,0,2,0,2,5,5,3,3,3,3,3,0,4,2,3,4,4,4,3,4,0,0,3,4,5,4,3,3,3,3,2,5,5,4,5,5,5,4,3,5,5,5,1,3,1,0,1,0,0,3,2,0,4,2,0,5,2,3,2,4,1,3,0,3,0,4,5,4,5,4,3,0,4,2,0,5,4), (0,3,0,4,0,5,0,3,0,3,4,4,3,2,3,2,3,3,3,3,3,2,4,3,3,2,2,0,3,3,3,3,3,1,3,3,3,0,4,4,3,4,4,1,1,4,4,2,0,3,1,0,1,1,0,4,1,0,2,3,1,3,3,1,3,4,0,3,0,1,0,3,1,3,0,0,1,0,2,0,0,4,4), (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), (0,3,0,3,0,2,0,3,0,1,5,4,3,3,3,1,4,2,1,2,3,4,4,2,4,4,5,0,3,1,4,3,4,0,4,3,3,3,2,3,2,5,3,4,3,2,2,3,0,0,3,0,2,1,0,1,2,0,0,0,0,2,1,1,3,1,0,2,0,4,0,3,4,4,4,5,2,0,2,0,0,1,3), (0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,4,2,1,1,0,1,0,3,2,0,0,3,1,1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,1,0,0,0,2,0,0,0,1,4,0,4,2,1,0,0,0,0,0,1), (0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,3,1,0,0,0,2,0,2,1,0,0,1,2,1,0,1,1,0,0,3,0,0,0,0,0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,1,0,0,2,1,0,0,0,0,0,0,0,0,2), (0,4,0,4,0,4,0,3,0,4,4,3,4,2,4,3,2,0,4,4,4,3,5,3,5,3,3,2,4,2,4,3,4,3,1,4,0,2,3,4,4,4,3,3,3,4,4,4,3,4,1,3,4,3,2,1,2,1,3,3,3,4,4,3,3,5,0,4,0,3,0,4,3,3,3,2,1,0,3,0,0,3,3), (0,4,0,3,0,3,0,3,0,3,5,5,3,3,3,3,4,3,4,3,3,3,4,4,4,3,3,3,3,4,3,5,3,3,1,3,2,4,5,5,5,5,4,3,4,5,5,3,2,2,3,3,3,3,2,3,3,1,2,3,2,4,3,3,3,4,0,4,0,2,0,4,3,2,2,1,2,0,3,0,0,4,1), ) class JapaneseContextAnalysis(object): NUM_OF_CATEGORY = 6 DONT_KNOW = -1 ENOUGH_REL_THRESHOLD = 100 MAX_REL_THRESHOLD = 1000 MINIMUM_DATA_THRESHOLD = 4 def __init__(self): self._total_rel = None self._rel_sample = None self._need_to_skip_char_num = None self._last_char_order = None self._done = None self.reset() def reset(self): self._total_rel = 0 # total sequence received # category counters, each integer counts sequence in its category self._rel_sample = [0] * self.NUM_OF_CATEGORY # if last byte in current buffer is not the last byte of a character, # we need to know how many bytes to skip in next buffer self._need_to_skip_char_num = 0 self._last_char_order = -1 # The order of previous char # If this flag is set to True, detection is done and conclusion has # been made self._done = False def feed(self, byte_str, num_bytes): if self._done: return # The buffer we got is byte oriented, and a character may span in more than one # buffers. In case the last one or two byte in last buffer is not # complete, we record how many byte needed to complete that character # and skip these bytes here. We can choose to record those bytes as # well and analyse the character once it is complete, but since a # character will not make much difference, by simply skipping # this character will simply our logic and improve performance. i = self._need_to_skip_char_num while i < num_bytes: order, char_len = self.get_order(byte_str[i:i + 2]) i += char_len if i > num_bytes: self._need_to_skip_char_num = i - num_bytes self._last_char_order = -1 else: if (order != -1) and (self._last_char_order != -1): self._total_rel += 1 if self._total_rel > self.MAX_REL_THRESHOLD: self._done = True break self._rel_sample[jp2CharContext[self._last_char_order][order]] += 1 self._last_char_order = order def got_enough_data(self): return self._total_rel > self.ENOUGH_REL_THRESHOLD def get_confidence(self): # This is just one way to calculate confidence. It works well for me. if self._total_rel > self.MINIMUM_DATA_THRESHOLD: return (self._total_rel - self._rel_sample[0]) / self._total_rel else: return self.DONT_KNOW def get_order(self, byte_str): return -1, 1 class SJISContextAnalysis(JapaneseContextAnalysis): def __init__(self): super(SJISContextAnalysis, self).__init__() self._charset_name = "SHIFT_JIS" @property def charset_name(self): return self._charset_name def get_order(self, byte_str): if not byte_str: return -1, 1 # find out current char's byte length first_char = byte_str[0] if (0x81 <= first_char <= 0x9F) or (0xE0 <= first_char <= 0xFC): char_len = 2 if (first_char == 0x87) or (0xFA <= first_char <= 0xFC): self._charset_name = "CP932" else: char_len = 1 # return its order if it is hiragana if len(byte_str) > 1: second_char = byte_str[1] if (first_char == 202) and (0x9F <= second_char <= 0xF1): return second_char - 0x9F, char_len return -1, char_len class EUCJPContextAnalysis(JapaneseContextAnalysis): def get_order(self, byte_str): if not byte_str: return -1, 1 # find out current char's byte length first_char = byte_str[0] if (first_char == 0x8E) or (0xA1 <= first_char <= 0xFE): char_len = 2 elif first_char == 0x8F: char_len = 3 else: char_len = 1 # return its order if it is hiragana if len(byte_str) > 1: second_char = byte_str[1] if (first_char == 0xA4) and (0xA1 <= second_char <= 0xF3): return second_char - 0xA1, char_len return -1, char_len _vendor/chardet/langbulgarianmodel.py 0000644 00000316313 15114542003 0014015 0 ustar 00 # -*- coding: utf-8 -*- from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel # 3: Positive # 2: Likely # 1: Unlikely # 0: Negative BULGARIAN_LANG_MODEL = { 63: { # 'e' 63: 1, # 'e' 45: 0, # '\xad' 31: 0, # 'А' 32: 0, # 'Б' 35: 0, # 'В' 43: 0, # 'Г' 37: 0, # 'Д' 44: 0, # 'Е' 55: 0, # 'Ж' 47: 0, # 'З' 40: 0, # 'И' 59: 0, # 'Й' 33: 0, # 'К' 46: 0, # 'Л' 38: 0, # 'М' 36: 0, # 'Н' 41: 0, # 'О' 30: 0, # 'П' 39: 0, # 'Р' 28: 0, # 'С' 34: 0, # 'Т' 51: 0, # 'У' 48: 0, # 'Ф' 49: 0, # 'Х' 53: 0, # 'Ц' 50: 0, # 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'\x81' 130: 255, # '\x82' 131: 255, # '\x83' 132: 255, # '\x84' 133: 255, # '\x85' 134: 255, # '\x86' 135: 255, # '\x87' 136: 255, # '\x88' 137: 255, # '\x89' 138: 255, # '\x8a' 139: 255, # '\x8b' 140: 255, # '\x8c' 141: 255, # '\x8d' 142: 255, # '\x8e' 143: 255, # '\x8f' 144: 255, # '\x90' 145: 255, # '\x91' 146: 255, # '\x92' 147: 255, # '\x93' 148: 255, # '\x94' 149: 255, # '\x95' 150: 255, # '\x96' 151: 255, # '\x97' 152: 255, # '\x98' 153: 255, # '\x99' 154: 255, # '\x9a' 155: 255, # '\x9b' 156: 255, # '\x9c' 157: 255, # '\x9d' 158: 255, # '\x9e' 159: 255, # '\x9f' 160: 253, # '\xa0' 161: 233, # '‘' 162: 90, # '’' 163: 253, # '£' 164: 253, # '€' 165: 253, # '₯' 166: 253, # '¦' 167: 253, # '§' 168: 253, # '¨' 169: 253, # '©' 170: 253, # 'ͺ' 171: 253, # '«' 172: 253, # '¬' 173: 74, # '\xad' 174: 253, # None 175: 253, # '―' 176: 253, # '°' 177: 253, # '±' 178: 253, # '²' 179: 253, # '³' 180: 247, # '΄' 181: 248, # '΅' 182: 61, # 'Ά' 183: 36, # '·' 184: 46, # 'Έ' 185: 71, # 'Ή' 186: 73, # 'Ί' 187: 253, # '»' 188: 54, # 'Ό' 189: 253, # '½' 190: 108, # 'Ύ' 191: 123, # 'Ώ' 192: 110, # 'ΐ' 193: 31, # 'Α' 194: 51, # 'Β' 195: 43, # 'Γ' 196: 41, # 'Δ' 197: 34, # 'Ε' 198: 91, # 'Ζ' 199: 40, # 'Η' 200: 52, # 'Θ' 201: 47, # 'Ι' 202: 44, # 'Κ' 203: 53, # 'Λ' 204: 38, # 'Μ' 205: 49, # 'Ν' 206: 59, # 'Ξ' 207: 39, # 'Ο' 208: 35, # 'Π' 209: 48, # 'Ρ' 210: 250, # None 211: 37, # 'Σ' 212: 33, # 'Τ' 213: 45, # 'Υ' 214: 56, # 'Φ' 215: 50, # 'Χ' 216: 84, # 'Ψ' 217: 57, # 'Ω' 218: 120, # 'Ϊ' 219: 121, # 'Ϋ' 220: 17, # 'ά' 221: 18, # 'έ' 222: 22, # 'ή' 223: 15, # 'ί' 224: 124, # 'ΰ' 225: 1, # 'α' 226: 29, # 'β' 227: 20, # 'γ' 228: 21, # 'δ' 229: 3, # 'ε' 230: 32, # 'ζ' 231: 13, # 'η' 232: 25, # 'θ' 233: 5, # 'ι' 234: 11, # 'κ' 235: 16, # 'λ' 236: 10, # 'μ' 237: 6, # 'ν' 238: 30, # 'ξ' 239: 4, # 'ο' 240: 9, # 'π' 241: 8, # 'ρ' 242: 14, # 'ς' 243: 7, # 'σ' 244: 2, # 'τ' 245: 12, # 'υ' 246: 28, # 'φ' 247: 23, # 'χ' 248: 42, # 'ψ' 249: 24, # 'ω' 250: 64, # 'ϊ' 251: 75, # 'ϋ' 252: 19, # 'ό' 253: 26, # 'ύ' 254: 27, # 'ώ' 255: 253, # None } ISO_8859_7_GREEK_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-7', language='Greek', char_to_order_map=ISO_8859_7_GREEK_CHAR_TO_ORDER, language_model=GREEK_LANG_MODEL, typical_positive_ratio=0.982851, keep_ascii_letters=False, alphabet='ΆΈΉΊΌΎΏΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩάέήίαβγδεζηθικλμνξοπρςστυφχψωόύώ') _vendor/chardet/langhebrewmodel.py 0000644 00000300702 15114542003 0013320 0 ustar 00 # -*- coding: utf-8 -*- from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel # 3: Positive # 2: Likely # 1: Unlikely # 0: Negative HEBREW_LANG_MODEL = { 50: { # 'a' 50: 0, # 'a' 60: 1, # 'c' 61: 1, # 'd' 42: 1, # 'e' 53: 1, # 'i' 56: 2, # 'l' 54: 2, # 'n' 49: 0, # 'o' 51: 2, # 'r' 43: 1, # 's' 44: 2, # 't' 63: 1, # 'u' 34: 0, # '\xa0' 55: 0, # '´' 48: 0, # '¼' 39: 0, # '½' 57: 0, # '¾' 30: 0, # 'ְ' 59: 0, # 'ֱ' 41: 0, # 'ֲ' 33: 0, # 'ִ' 37: 0, # 'ֵ' 36: 0, # 'ֶ' 31: 0, # 'ַ' 29: 0, # 'ָ' 35: 0, # 'ֹ' 62: 0, # 'ֻ' 28: 0, # 'ּ' 38: 0, # 'ׁ' 45: 0, # 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None 132: 165, # '„' 133: 166, # '…' 134: 167, # '†' 135: 168, # '‡' 136: 169, # None 137: 170, # '‰' 138: 171, # 'Š' 139: 172, # '‹' 140: 173, # 'Ś' 141: 174, # 'Ť' 142: 175, # 'Ž' 143: 176, # 'Ź' 144: 177, # None 145: 178, # '‘' 146: 179, # '’' 147: 180, # '“' 148: 78, # '”' 149: 181, # '•' 150: 69, # '–' 151: 182, # '—' 152: 183, # None 153: 184, # '™' 154: 185, # 'š' 155: 186, # '›' 156: 187, # 'ś' 157: 188, # 'ť' 158: 189, # 'ž' 159: 190, # 'ź' 160: 191, # '\xa0' 161: 192, # 'ˇ' 162: 193, # '˘' 163: 194, # 'Ł' 164: 195, # '¤' 165: 196, # 'Ą' 166: 197, # '¦' 167: 76, # '§' 168: 198, # '¨' 169: 199, # '©' 170: 200, # 'Ş' 171: 201, # '«' 172: 202, # '¬' 173: 203, # '\xad' 174: 204, # '®' 175: 205, # 'Ż' 176: 81, # '°' 177: 206, # '±' 178: 207, # '˛' 179: 208, # 'ł' 180: 209, # '´' 181: 210, # 'µ' 182: 211, # '¶' 183: 212, # '·' 184: 213, # '¸' 185: 214, # 'ą' 186: 215, # 'ş' 187: 216, # '»' 188: 217, # 'Ľ' 189: 218, # '˝' 190: 219, # 'ľ' 191: 220, # 'ż' 192: 221, # 'Ŕ' 193: 51, # 'Á' 194: 83, # 'Â' 195: 222, # 'Ă' 196: 80, # 'Ä' 197: 223, # 'Ĺ' 198: 224, # 'Ć' 199: 225, # 'Ç' 200: 226, # 'Č' 201: 44, # 'É' 202: 227, # 'Ę' 203: 228, # 'Ë' 204: 229, # 'Ě' 205: 61, # 'Í' 206: 230, # 'Î' 207: 231, # 'Ď' 208: 232, # 'Đ' 209: 233, # 'Ń' 210: 234, # 'Ň' 211: 58, # 'Ó' 212: 235, # 'Ô' 213: 66, # 'Ő' 214: 59, # 'Ö' 215: 236, # '×' 216: 237, # 'Ř' 217: 238, # 'Ů' 218: 60, # 'Ú' 219: 70, # 'Ű' 220: 63, # 'Ü' 221: 239, # 'Ý' 222: 240, # 'Ţ' 223: 241, # 'ß' 224: 84, # 'ŕ' 225: 14, # 'á' 226: 75, # 'â' 227: 242, # 'ă' 228: 71, # 'ä' 229: 82, # 'ĺ' 230: 243, # 'ć' 231: 73, # 'ç' 232: 244, # 'č' 233: 15, # 'é' 234: 85, # 'ę' 235: 79, # 'ë' 236: 86, # 'ě' 237: 30, # 'í' 238: 77, # 'î' 239: 87, # 'ď' 240: 245, # 'đ' 241: 246, # 'ń' 242: 247, # 'ň' 243: 25, # 'ó' 244: 74, # 'ô' 245: 42, # 'ő' 246: 24, # 'ö' 247: 248, # '÷' 248: 249, # 'ř' 249: 250, # 'ů' 250: 31, # 'ú' 251: 56, # 'ű' 252: 29, # 'ü' 253: 251, # 'ý' 254: 252, # 'ţ' 255: 253, # '˙' } WINDOWS_1250_HUNGARIAN_MODEL = SingleByteCharSetModel(charset_name='windows-1250', language='Hungarian', char_to_order_map=WINDOWS_1250_HUNGARIAN_CHAR_TO_ORDER, language_model=HUNGARIAN_LANG_MODEL, typical_positive_ratio=0.947368, keep_ascii_letters=True, alphabet='ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű') ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 28, # 'A' 66: 40, # 'B' 67: 54, # 'C' 68: 45, # 'D' 69: 32, # 'E' 70: 50, # 'F' 71: 49, # 'G' 72: 38, # 'H' 73: 39, # 'I' 74: 53, # 'J' 75: 36, # 'K' 76: 41, # 'L' 77: 34, # 'M' 78: 35, # 'N' 79: 47, # 'O' 80: 46, # 'P' 81: 71, # 'Q' 82: 43, # 'R' 83: 33, # 'S' 84: 37, # 'T' 85: 57, # 'U' 86: 48, # 'V' 87: 64, # 'W' 88: 68, # 'X' 89: 55, # 'Y' 90: 52, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 2, # 'a' 98: 18, # 'b' 99: 26, # 'c' 100: 17, # 'd' 101: 1, # 'e' 102: 27, # 'f' 103: 12, # 'g' 104: 20, # 'h' 105: 9, # 'i' 106: 22, # 'j' 107: 7, # 'k' 108: 6, # 'l' 109: 13, # 'm' 110: 4, # 'n' 111: 8, # 'o' 112: 23, # 'p' 113: 67, # 'q' 114: 10, # 'r' 115: 5, # 's' 116: 3, # 't' 117: 21, # 'u' 118: 19, # 'v' 119: 65, # 'w' 120: 62, # 'x' 121: 16, # 'y' 122: 11, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 159, # '\x80' 129: 160, # '\x81' 130: 161, # '\x82' 131: 162, # '\x83' 132: 163, # '\x84' 133: 164, # '\x85' 134: 165, # '\x86' 135: 166, # '\x87' 136: 167, # '\x88' 137: 168, # '\x89' 138: 169, # '\x8a' 139: 170, # '\x8b' 140: 171, # '\x8c' 141: 172, # '\x8d' 142: 173, # '\x8e' 143: 174, # '\x8f' 144: 175, # '\x90' 145: 176, # '\x91' 146: 177, # '\x92' 147: 178, # '\x93' 148: 179, # '\x94' 149: 180, # '\x95' 150: 181, # '\x96' 151: 182, # '\x97' 152: 183, # '\x98' 153: 184, # '\x99' 154: 185, # '\x9a' 155: 186, # '\x9b' 156: 187, # '\x9c' 157: 188, # '\x9d' 158: 189, # '\x9e' 159: 190, # '\x9f' 160: 191, # '\xa0' 161: 192, # 'Ą' 162: 193, # '˘' 163: 194, # 'Ł' 164: 195, # '¤' 165: 196, # 'Ľ' 166: 197, # 'Ś' 167: 75, # '§' 168: 198, # '¨' 169: 199, # 'Š' 170: 200, # 'Ş' 171: 201, # 'Ť' 172: 202, # 'Ź' 173: 203, # '\xad' 174: 204, # 'Ž' 175: 205, # 'Ż' 176: 79, # '°' 177: 206, # 'ą' 178: 207, # '˛' 179: 208, # 'ł' 180: 209, # '´' 181: 210, # 'ľ' 182: 211, # 'ś' 183: 212, # 'ˇ' 184: 213, # '¸' 185: 214, # 'š' 186: 215, # 'ş' 187: 216, # 'ť' 188: 217, # 'ź' 189: 218, # '˝' 190: 219, # 'ž' 191: 220, # 'ż' 192: 221, # 'Ŕ' 193: 51, # 'Á' 194: 81, # 'Â' 195: 222, # 'Ă' 196: 78, # 'Ä' 197: 223, # 'Ĺ' 198: 224, # 'Ć' 199: 225, # 'Ç' 200: 226, # 'Č' 201: 44, # 'É' 202: 227, # 'Ę' 203: 228, # 'Ë' 204: 229, # 'Ě' 205: 61, # 'Í' 206: 230, # 'Î' 207: 231, # 'Ď' 208: 232, # 'Đ' 209: 233, # 'Ń' 210: 234, # 'Ň' 211: 58, # 'Ó' 212: 235, # 'Ô' 213: 66, # 'Ő' 214: 59, # 'Ö' 215: 236, # '×' 216: 237, # 'Ř' 217: 238, # 'Ů' 218: 60, # 'Ú' 219: 69, # 'Ű' 220: 63, # 'Ü' 221: 239, # 'Ý' 222: 240, # 'Ţ' 223: 241, # 'ß' 224: 82, # 'ŕ' 225: 14, # 'á' 226: 74, # 'â' 227: 242, # 'ă' 228: 70, # 'ä' 229: 80, # 'ĺ' 230: 243, # 'ć' 231: 72, # 'ç' 232: 244, # 'č' 233: 15, # 'é' 234: 83, # 'ę' 235: 77, # 'ë' 236: 84, # 'ě' 237: 30, # 'í' 238: 76, # 'î' 239: 85, # 'ď' 240: 245, # 'đ' 241: 246, # 'ń' 242: 247, # 'ň' 243: 25, # 'ó' 244: 73, # 'ô' 245: 42, # 'ő' 246: 24, # 'ö' 247: 248, # '÷' 248: 249, # 'ř' 249: 250, # 'ů' 250: 31, # 'ú' 251: 56, # 'ű' 252: 29, # 'ü' 253: 251, # 'ý' 254: 252, # 'ţ' 255: 253, # '˙' } ISO_8859_2_HUNGARIAN_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-2', language='Hungarian', char_to_order_map=ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER, language_model=HUNGARIAN_LANG_MODEL, typical_positive_ratio=0.947368, keep_ascii_letters=True, alphabet='ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű') _vendor/chardet/langrussianmodel.py 0000644 00000400126 15114542003 0013531 0 ustar 00 # -*- coding: utf-8 -*- from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel # 3: Positive # 2: Likely # 1: Unlikely # 0: Negative RUSSIAN_LANG_MODEL = { 37: { # 'А' 37: 0, # 'А' 44: 1, # 'Б' 33: 1, # 'В' 46: 1, # 'Г' 41: 1, # 'Д' 48: 1, # 'Е' 56: 1, # 'Ж' 51: 1, # 'З' 42: 1, # 'И' 60: 1, # 'Й' 36: 1, # 'К' 49: 1, # 'Л' 38: 1, # 'М' 31: 2, # 'Н' 34: 1, # 'О' 35: 1, # 'П' 45: 1, # 'Р' 32: 1, # 'С' 40: 1, # 'Т' 52: 1, # 'У' 53: 1, # 'Ф' 55: 1, # 'Х' 58: 1, # 'Ц' 50: 1, # 'Ч' 57: 1, # 'Ш' 63: 1, # 'Щ' 62: 0, # 'Ы' 61: 0, # 'Ь' 47: 0, # 'Э' 59: 1, # 'Ю' 43: 1, # 'Я' 3: 1, # 'а' 21: 2, # 'б' 10: 2, # 'в' 19: 2, # 'г' 13: 2, # 'д' 2: 0, # 'е' 24: 1, # 'ж' 20: 1, # 'з' 4: 0, # 'и' 23: 1, # 'й' 11: 2, # 'к' 8: 3, # 'л' 12: 2, # 'м' 5: 2, # 'н' 1: 0, # 'о' 15: 2, # 'п' 9: 2, # 'р' 7: 2, # 'с' 6: 2, # 'т' 14: 2, # 'у' 39: 2, # 'ф' 26: 2, # 'х' 28: 0, # 'ц' 22: 1, # 'ч' 25: 2, # 'ш' 29: 0, # 'щ' 54: 0, # 'ъ' 18: 0, # 'ы' 17: 0, # 'ь' 30: 1, # 'э' 27: 0, # 'ю' 16: 0, # 'я' }, 44: { # 'Б' 37: 1, # 'А' 44: 0, # 'Б' 33: 1, # 'В' 46: 1, # 'Г' 41: 0, # 'Д' 48: 1, # 'Е' 56: 0, # 'Ж' 51: 0, # 'З' 42: 1, # 'И' 60: 0, # 'Й' 36: 0, # 'К' 49: 1, # 'Л' 38: 1, # 'М' 31: 1, # 'Н' 34: 1, # 'О' 35: 0, # 'П' 45: 1, # 'Р' 32: 0, # 'С' 40: 0, # 'Т' 52: 1, # 'У' 53: 0, # 'Ф' 55: 0, # 'Х' 58: 0, # 'Ц' 50: 0, # 'Ч' 57: 0, # 'Ш' 63: 0, # 'Щ' 62: 1, # 'Ы' 61: 0, # 'Ь' 47: 0, # 'Э' 59: 0, # 'Ю' 43: 1, # 'Я' 3: 2, # 'а' 21: 0, # 'б' 10: 0, # 'в' 19: 0, # 'г' 13: 1, # 'д' 2: 3, # 'е' 24: 0, # 'ж' 20: 0, # 'з' 4: 2, # 'и' 23: 0, # 'й' 11: 0, # 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'▌' 222: 237, # '▐' 223: 238, # '▀' 224: 9, # 'р' 225: 7, # 'с' 226: 6, # 'т' 227: 14, # 'у' 228: 39, # 'ф' 229: 26, # 'х' 230: 28, # 'ц' 231: 22, # 'ч' 232: 25, # 'ш' 233: 29, # 'щ' 234: 54, # 'ъ' 235: 18, # 'ы' 236: 17, # 'ь' 237: 30, # 'э' 238: 27, # 'ю' 239: 16, # 'я' 240: 239, # 'Ё' 241: 68, # 'ё' 242: 240, # 'Є' 243: 241, # 'є' 244: 242, # 'Ї' 245: 243, # 'ї' 246: 244, # 'Ў' 247: 245, # 'ў' 248: 246, # '°' 249: 247, # '∙' 250: 248, # '·' 251: 249, # '√' 252: 250, # '№' 253: 251, # '¤' 254: 252, # '■' 255: 255, # '\xa0' } IBM866_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='IBM866', language='Russian', char_to_order_map=IBM866_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 142, # 'A' 66: 143, # 'B' 67: 144, # 'C' 68: 145, # 'D' 69: 146, # 'E' 70: 147, # 'F' 71: 148, # 'G' 72: 149, # 'H' 73: 150, # 'I' 74: 151, # 'J' 75: 152, # 'K' 76: 74, # 'L' 77: 153, # 'M' 78: 75, # 'N' 79: 154, # 'O' 80: 155, # 'P' 81: 156, # 'Q' 82: 157, # 'R' 83: 158, # 'S' 84: 159, # 'T' 85: 160, # 'U' 86: 161, # 'V' 87: 162, # 'W' 88: 163, # 'X' 89: 164, # 'Y' 90: 165, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 71, # 'a' 98: 172, # 'b' 99: 66, # 'c' 100: 173, # 'd' 101: 65, # 'e' 102: 174, # 'f' 103: 76, # 'g' 104: 175, # 'h' 105: 64, # 'i' 106: 176, # 'j' 107: 177, # 'k' 108: 77, # 'l' 109: 72, # 'm' 110: 178, # 'n' 111: 69, # 'o' 112: 67, # 'p' 113: 179, # 'q' 114: 78, # 'r' 115: 73, # 's' 116: 180, # 't' 117: 181, # 'u' 118: 79, # 'v' 119: 182, # 'w' 120: 183, # 'x' 121: 184, # 'y' 122: 185, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 191, # 'Ђ' 129: 192, # 'Ѓ' 130: 193, # '‚' 131: 194, # 'ѓ' 132: 195, # '„' 133: 196, # '…' 134: 197, # '†' 135: 198, # '‡' 136: 199, # '€' 137: 200, # '‰' 138: 201, # 'Љ' 139: 202, # '‹' 140: 203, # 'Њ' 141: 204, # 'Ќ' 142: 205, # 'Ћ' 143: 206, # 'Џ' 144: 207, # 'ђ' 145: 208, # '‘' 146: 209, # '’' 147: 210, # '“' 148: 211, # '”' 149: 212, # '•' 150: 213, # '–' 151: 214, # '—' 152: 215, # None 153: 216, # '™' 154: 217, # 'љ' 155: 218, # '›' 156: 219, # 'њ' 157: 220, # 'ќ' 158: 221, # 'ћ' 159: 222, # 'џ' 160: 223, # '\xa0' 161: 224, # 'Ў' 162: 225, # 'ў' 163: 226, # 'Ј' 164: 227, # '¤' 165: 228, # 'Ґ' 166: 229, # '¦' 167: 230, # '§' 168: 231, # 'Ё' 169: 232, # '©' 170: 233, # 'Є' 171: 234, # '«' 172: 235, # '¬' 173: 236, # '\xad' 174: 237, # '®' 175: 238, # 'Ї' 176: 239, # '°' 177: 240, # '±' 178: 241, # 'І' 179: 242, # 'і' 180: 243, # 'ґ' 181: 244, # 'µ' 182: 245, # '¶' 183: 246, # '·' 184: 68, # 'ё' 185: 247, # '№' 186: 248, # 'є' 187: 249, # '»' 188: 250, # 'ј' 189: 251, # 'Ѕ' 190: 252, # 'ѕ' 191: 253, # 'ї' 192: 37, # 'А' 193: 44, # 'Б' 194: 33, # 'В' 195: 46, # 'Г' 196: 41, # 'Д' 197: 48, # 'Е' 198: 56, # 'Ж' 199: 51, # 'З' 200: 42, # 'И' 201: 60, # 'Й' 202: 36, # 'К' 203: 49, # 'Л' 204: 38, # 'М' 205: 31, # 'Н' 206: 34, # 'О' 207: 35, # 'П' 208: 45, # 'Р' 209: 32, # 'С' 210: 40, # 'Т' 211: 52, # 'У' 212: 53, # 'Ф' 213: 55, # 'Х' 214: 58, # 'Ц' 215: 50, # 'Ч' 216: 57, # 'Ш' 217: 63, # 'Щ' 218: 70, # 'Ъ' 219: 62, # 'Ы' 220: 61, # 'Ь' 221: 47, # 'Э' 222: 59, # 'Ю' 223: 43, # 'Я' 224: 3, # 'а' 225: 21, # 'б' 226: 10, # 'в' 227: 19, # 'г' 228: 13, # 'д' 229: 2, # 'е' 230: 24, # 'ж' 231: 20, # 'з' 232: 4, # 'и' 233: 23, # 'й' 234: 11, # 'к' 235: 8, # 'л' 236: 12, # 'м' 237: 5, # 'н' 238: 1, # 'о' 239: 15, # 'п' 240: 9, # 'р' 241: 7, # 'с' 242: 6, # 'т' 243: 14, # 'у' 244: 39, # 'ф' 245: 26, # 'х' 246: 28, # 'ц' 247: 22, # 'ч' 248: 25, # 'ш' 249: 29, # 'щ' 250: 54, # 'ъ' 251: 18, # 'ы' 252: 17, # 'ь' 253: 30, # 'э' 254: 27, # 'ю' 255: 16, # 'я' } WINDOWS_1251_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='windows-1251', language='Russian', char_to_order_map=WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') IBM855_RUSSIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 142, # 'A' 66: 143, # 'B' 67: 144, # 'C' 68: 145, # 'D' 69: 146, # 'E' 70: 147, # 'F' 71: 148, # 'G' 72: 149, # 'H' 73: 150, # 'I' 74: 151, # 'J' 75: 152, # 'K' 76: 74, # 'L' 77: 153, # 'M' 78: 75, # 'N' 79: 154, # 'O' 80: 155, # 'P' 81: 156, # 'Q' 82: 157, # 'R' 83: 158, # 'S' 84: 159, # 'T' 85: 160, # 'U' 86: 161, # 'V' 87: 162, # 'W' 88: 163, # 'X' 89: 164, # 'Y' 90: 165, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 71, # 'a' 98: 172, # 'b' 99: 66, # 'c' 100: 173, # 'd' 101: 65, # 'e' 102: 174, # 'f' 103: 76, # 'g' 104: 175, # 'h' 105: 64, # 'i' 106: 176, # 'j' 107: 177, # 'k' 108: 77, # 'l' 109: 72, # 'm' 110: 178, # 'n' 111: 69, # 'o' 112: 67, # 'p' 113: 179, # 'q' 114: 78, # 'r' 115: 73, # 's' 116: 180, # 't' 117: 181, # 'u' 118: 79, # 'v' 119: 182, # 'w' 120: 183, # 'x' 121: 184, # 'y' 122: 185, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 191, # 'ђ' 129: 192, # 'Ђ' 130: 193, # 'ѓ' 131: 194, # 'Ѓ' 132: 68, # 'ё' 133: 195, # 'Ё' 134: 196, # 'є' 135: 197, # 'Є' 136: 198, # 'ѕ' 137: 199, # 'Ѕ' 138: 200, # 'і' 139: 201, # 'І' 140: 202, # 'ї' 141: 203, # 'Ї' 142: 204, # 'ј' 143: 205, # 'Ј' 144: 206, # 'љ' 145: 207, # 'Љ' 146: 208, # 'њ' 147: 209, # 'Њ' 148: 210, # 'ћ' 149: 211, # 'Ћ' 150: 212, # 'ќ' 151: 213, # 'Ќ' 152: 214, # 'ў' 153: 215, # 'Ў' 154: 216, # 'џ' 155: 217, # 'Џ' 156: 27, # 'ю' 157: 59, # 'Ю' 158: 54, # 'ъ' 159: 70, # 'Ъ' 160: 3, # 'а' 161: 37, # 'А' 162: 21, # 'б' 163: 44, # 'Б' 164: 28, # 'ц' 165: 58, # 'Ц' 166: 13, # 'д' 167: 41, # 'Д' 168: 2, # 'е' 169: 48, # 'Е' 170: 39, # 'ф' 171: 53, # 'Ф' 172: 19, # 'г' 173: 46, # 'Г' 174: 218, # '«' 175: 219, # '»' 176: 220, # '░' 177: 221, # '▒' 178: 222, # '▓' 179: 223, # '│' 180: 224, # '┤' 181: 26, # 'х' 182: 55, # 'Х' 183: 4, # 'и' 184: 42, # 'И' 185: 225, # '╣' 186: 226, # '║' 187: 227, # '╗' 188: 228, # '╝' 189: 23, # 'й' 190: 60, # 'Й' 191: 229, # '┐' 192: 230, # '└' 193: 231, # '┴' 194: 232, # '┬' 195: 233, # '├' 196: 234, # '─' 197: 235, # '┼' 198: 11, # 'к' 199: 36, # 'К' 200: 236, # '╚' 201: 237, # '╔' 202: 238, # '╩' 203: 239, # '╦' 204: 240, # '╠' 205: 241, # '═' 206: 242, # '╬' 207: 243, # '¤' 208: 8, # 'л' 209: 49, # 'Л' 210: 12, # 'м' 211: 38, # 'М' 212: 5, # 'н' 213: 31, # 'Н' 214: 1, # 'о' 215: 34, # 'О' 216: 15, # 'п' 217: 244, # '┘' 218: 245, # '┌' 219: 246, # '█' 220: 247, # '▄' 221: 35, # 'П' 222: 16, # 'я' 223: 248, # '▀' 224: 43, # 'Я' 225: 9, # 'р' 226: 45, # 'Р' 227: 7, # 'с' 228: 32, # 'С' 229: 6, # 'т' 230: 40, # 'Т' 231: 14, # 'у' 232: 52, # 'У' 233: 24, # 'ж' 234: 56, # 'Ж' 235: 10, # 'в' 236: 33, # 'В' 237: 17, # 'ь' 238: 61, # 'Ь' 239: 249, # '№' 240: 250, # '\xad' 241: 18, # 'ы' 242: 62, # 'Ы' 243: 20, # 'з' 244: 51, # 'З' 245: 25, # 'ш' 246: 57, # 'Ш' 247: 30, # 'э' 248: 47, # 'Э' 249: 29, # 'щ' 250: 63, # 'Щ' 251: 22, # 'ч' 252: 50, # 'Ч' 253: 251, # '§' 254: 252, # '■' 255: 255, # '\xa0' } IBM855_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='IBM855', language='Russian', char_to_order_map=IBM855_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') KOI8_R_RUSSIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 142, # 'A' 66: 143, # 'B' 67: 144, # 'C' 68: 145, # 'D' 69: 146, # 'E' 70: 147, # 'F' 71: 148, # 'G' 72: 149, # 'H' 73: 150, # 'I' 74: 151, # 'J' 75: 152, # 'K' 76: 74, # 'L' 77: 153, # 'M' 78: 75, # 'N' 79: 154, # 'O' 80: 155, # 'P' 81: 156, # 'Q' 82: 157, # 'R' 83: 158, # 'S' 84: 159, # 'T' 85: 160, # 'U' 86: 161, # 'V' 87: 162, # 'W' 88: 163, # 'X' 89: 164, # 'Y' 90: 165, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 71, # 'a' 98: 172, # 'b' 99: 66, # 'c' 100: 173, # 'd' 101: 65, # 'e' 102: 174, # 'f' 103: 76, # 'g' 104: 175, # 'h' 105: 64, # 'i' 106: 176, # 'j' 107: 177, # 'k' 108: 77, # 'l' 109: 72, # 'm' 110: 178, # 'n' 111: 69, # 'o' 112: 67, # 'p' 113: 179, # 'q' 114: 78, # 'r' 115: 73, # 's' 116: 180, # 't' 117: 181, # 'u' 118: 79, # 'v' 119: 182, # 'w' 120: 183, # 'x' 121: 184, # 'y' 122: 185, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 191, # '─' 129: 192, # '│' 130: 193, # '┌' 131: 194, # '┐' 132: 195, # '└' 133: 196, # '┘' 134: 197, # '├' 135: 198, # '┤' 136: 199, # '┬' 137: 200, # '┴' 138: 201, # '┼' 139: 202, # '▀' 140: 203, # '▄' 141: 204, # '█' 142: 205, # '▌' 143: 206, # '▐' 144: 207, # '░' 145: 208, # '▒' 146: 209, # '▓' 147: 210, # '⌠' 148: 211, # '■' 149: 212, # '∙' 150: 213, # '√' 151: 214, # '≈' 152: 215, # '≤' 153: 216, # '≥' 154: 217, # '\xa0' 155: 218, # '⌡' 156: 219, # '°' 157: 220, # '²' 158: 221, # '·' 159: 222, # '÷' 160: 223, # '═' 161: 224, # '║' 162: 225, # '╒' 163: 68, # 'ё' 164: 226, # '╓' 165: 227, # '╔' 166: 228, # '╕' 167: 229, # '╖' 168: 230, # '╗' 169: 231, # '╘' 170: 232, # '╙' 171: 233, # '╚' 172: 234, # '╛' 173: 235, # '╜' 174: 236, # '╝' 175: 237, # '╞' 176: 238, # '╟' 177: 239, # '╠' 178: 240, # '╡' 179: 241, # 'Ё' 180: 242, # '╢' 181: 243, # '╣' 182: 244, # '╤' 183: 245, # '╥' 184: 246, # '╦' 185: 247, # '╧' 186: 248, # '╨' 187: 249, # '╩' 188: 250, # '╪' 189: 251, # '╫' 190: 252, # '╬' 191: 253, # '©' 192: 27, # 'ю' 193: 3, # 'а' 194: 21, # 'б' 195: 28, # 'ц' 196: 13, # 'д' 197: 2, # 'е' 198: 39, # 'ф' 199: 19, # 'г' 200: 26, # 'х' 201: 4, # 'и' 202: 23, # 'й' 203: 11, # 'к' 204: 8, # 'л' 205: 12, # 'м' 206: 5, # 'н' 207: 1, # 'о' 208: 15, # 'п' 209: 16, # 'я' 210: 9, # 'р' 211: 7, # 'с' 212: 6, # 'т' 213: 14, # 'у' 214: 24, # 'ж' 215: 10, # 'в' 216: 17, # 'ь' 217: 18, # 'ы' 218: 20, # 'з' 219: 25, # 'ш' 220: 30, # 'э' 221: 29, # 'щ' 222: 22, # 'ч' 223: 54, # 'ъ' 224: 59, # 'Ю' 225: 37, # 'А' 226: 44, # 'Б' 227: 58, # 'Ц' 228: 41, # 'Д' 229: 48, # 'Е' 230: 53, # 'Ф' 231: 46, # 'Г' 232: 55, # 'Х' 233: 42, # 'И' 234: 60, # 'Й' 235: 36, # 'К' 236: 49, # 'Л' 237: 38, # 'М' 238: 31, # 'Н' 239: 34, # 'О' 240: 35, # 'П' 241: 43, # 'Я' 242: 45, # 'Р' 243: 32, # 'С' 244: 40, # 'Т' 245: 52, # 'У' 246: 56, # 'Ж' 247: 33, # 'В' 248: 61, # 'Ь' 249: 62, # 'Ы' 250: 51, # 'З' 251: 57, # 'Ш' 252: 47, # 'Э' 253: 63, # 'Щ' 254: 50, # 'Ч' 255: 70, # 'Ъ' } KOI8_R_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='KOI8-R', language='Russian', char_to_order_map=KOI8_R_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 142, # 'A' 66: 143, # 'B' 67: 144, # 'C' 68: 145, # 'D' 69: 146, # 'E' 70: 147, # 'F' 71: 148, # 'G' 72: 149, # 'H' 73: 150, # 'I' 74: 151, # 'J' 75: 152, # 'K' 76: 74, # 'L' 77: 153, # 'M' 78: 75, # 'N' 79: 154, # 'O' 80: 155, # 'P' 81: 156, # 'Q' 82: 157, # 'R' 83: 158, # 'S' 84: 159, # 'T' 85: 160, # 'U' 86: 161, # 'V' 87: 162, # 'W' 88: 163, # 'X' 89: 164, # 'Y' 90: 165, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 71, # 'a' 98: 172, # 'b' 99: 66, # 'c' 100: 173, # 'd' 101: 65, # 'e' 102: 174, # 'f' 103: 76, # 'g' 104: 175, # 'h' 105: 64, # 'i' 106: 176, # 'j' 107: 177, # 'k' 108: 77, # 'l' 109: 72, # 'm' 110: 178, # 'n' 111: 69, # 'o' 112: 67, # 'p' 113: 179, # 'q' 114: 78, # 'r' 115: 73, # 's' 116: 180, # 't' 117: 181, # 'u' 118: 79, # 'v' 119: 182, # 'w' 120: 183, # 'x' 121: 184, # 'y' 122: 185, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 37, # 'А' 129: 44, # 'Б' 130: 33, # 'В' 131: 46, # 'Г' 132: 41, # 'Д' 133: 48, # 'Е' 134: 56, # 'Ж' 135: 51, # 'З' 136: 42, # 'И' 137: 60, # 'Й' 138: 36, # 'К' 139: 49, # 'Л' 140: 38, # 'М' 141: 31, # 'Н' 142: 34, # 'О' 143: 35, # 'П' 144: 45, # 'Р' 145: 32, # 'С' 146: 40, # 'Т' 147: 52, # 'У' 148: 53, # 'Ф' 149: 55, # 'Х' 150: 58, # 'Ц' 151: 50, # 'Ч' 152: 57, # 'Ш' 153: 63, # 'Щ' 154: 70, # 'Ъ' 155: 62, # 'Ы' 156: 61, # 'Ь' 157: 47, # 'Э' 158: 59, # 'Ю' 159: 43, # 'Я' 160: 191, # '†' 161: 192, # '°' 162: 193, # 'Ґ' 163: 194, # '£' 164: 195, # '§' 165: 196, # '•' 166: 197, # '¶' 167: 198, # 'І' 168: 199, # '®' 169: 200, # '©' 170: 201, # '™' 171: 202, # 'Ђ' 172: 203, # 'ђ' 173: 204, # '≠' 174: 205, # 'Ѓ' 175: 206, # 'ѓ' 176: 207, # '∞' 177: 208, # '±' 178: 209, # '≤' 179: 210, # '≥' 180: 211, # 'і' 181: 212, # 'µ' 182: 213, # 'ґ' 183: 214, # 'Ј' 184: 215, # 'Є' 185: 216, # 'є' 186: 217, # 'Ї' 187: 218, # 'ї' 188: 219, # 'Љ' 189: 220, # 'љ' 190: 221, # 'Њ' 191: 222, # 'њ' 192: 223, # 'ј' 193: 224, # 'Ѕ' 194: 225, # '¬' 195: 226, # '√' 196: 227, # 'ƒ' 197: 228, # '≈' 198: 229, # '∆' 199: 230, # '«' 200: 231, # '»' 201: 232, # '…' 202: 233, # '\xa0' 203: 234, # 'Ћ' 204: 235, # 'ћ' 205: 236, # 'Ќ' 206: 237, # 'ќ' 207: 238, # 'ѕ' 208: 239, # '–' 209: 240, # '—' 210: 241, # '“' 211: 242, # '”' 212: 243, # '‘' 213: 244, # '’' 214: 245, # '÷' 215: 246, # '„' 216: 247, # 'Ў' 217: 248, # 'ў' 218: 249, # 'Џ' 219: 250, # 'џ' 220: 251, # '№' 221: 252, # 'Ё' 222: 68, # 'ё' 223: 16, # 'я' 224: 3, # 'а' 225: 21, # 'б' 226: 10, # 'в' 227: 19, # 'г' 228: 13, # 'д' 229: 2, # 'е' 230: 24, # 'ж' 231: 20, # 'з' 232: 4, # 'и' 233: 23, # 'й' 234: 11, # 'к' 235: 8, # 'л' 236: 12, # 'м' 237: 5, # 'н' 238: 1, # 'о' 239: 15, # 'п' 240: 9, # 'р' 241: 7, # 'с' 242: 6, # 'т' 243: 14, # 'у' 244: 39, # 'ф' 245: 26, # 'х' 246: 28, # 'ц' 247: 22, # 'ч' 248: 25, # 'ш' 249: 29, # 'щ' 250: 54, # 'ъ' 251: 18, # 'ы' 252: 17, # 'ь' 253: 30, # 'э' 254: 27, # 'ю' 255: 255, # '€' } MACCYRILLIC_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='MacCyrillic', language='Russian', char_to_order_map=MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') ISO_8859_5_RUSSIAN_CHAR_TO_ORDER = { 0: 255, # '\x00' 1: 255, # '\x01' 2: 255, # '\x02' 3: 255, # '\x03' 4: 255, # '\x04' 5: 255, # '\x05' 6: 255, # '\x06' 7: 255, # '\x07' 8: 255, # '\x08' 9: 255, # '\t' 10: 254, # '\n' 11: 255, # '\x0b' 12: 255, # '\x0c' 13: 254, # '\r' 14: 255, # '\x0e' 15: 255, # '\x0f' 16: 255, # '\x10' 17: 255, # '\x11' 18: 255, # '\x12' 19: 255, # '\x13' 20: 255, # '\x14' 21: 255, # '\x15' 22: 255, # '\x16' 23: 255, # '\x17' 24: 255, # '\x18' 25: 255, # '\x19' 26: 255, # '\x1a' 27: 255, # '\x1b' 28: 255, # '\x1c' 29: 255, # '\x1d' 30: 255, # '\x1e' 31: 255, # '\x1f' 32: 253, # ' ' 33: 253, # '!' 34: 253, # '"' 35: 253, # '#' 36: 253, # '$' 37: 253, # '%' 38: 253, # '&' 39: 253, # "'" 40: 253, # '(' 41: 253, # ')' 42: 253, # '*' 43: 253, # '+' 44: 253, # ',' 45: 253, # '-' 46: 253, # '.' 47: 253, # '/' 48: 252, # '0' 49: 252, # '1' 50: 252, # '2' 51: 252, # '3' 52: 252, # '4' 53: 252, # '5' 54: 252, # '6' 55: 252, # '7' 56: 252, # '8' 57: 252, # '9' 58: 253, # ':' 59: 253, # ';' 60: 253, # '<' 61: 253, # '=' 62: 253, # '>' 63: 253, # '?' 64: 253, # '@' 65: 142, # 'A' 66: 143, # 'B' 67: 144, # 'C' 68: 145, # 'D' 69: 146, # 'E' 70: 147, # 'F' 71: 148, # 'G' 72: 149, # 'H' 73: 150, # 'I' 74: 151, # 'J' 75: 152, # 'K' 76: 74, # 'L' 77: 153, # 'M' 78: 75, # 'N' 79: 154, # 'O' 80: 155, # 'P' 81: 156, # 'Q' 82: 157, # 'R' 83: 158, # 'S' 84: 159, # 'T' 85: 160, # 'U' 86: 161, # 'V' 87: 162, # 'W' 88: 163, # 'X' 89: 164, # 'Y' 90: 165, # 'Z' 91: 253, # '[' 92: 253, # '\\' 93: 253, # ']' 94: 253, # '^' 95: 253, # '_' 96: 253, # '`' 97: 71, # 'a' 98: 172, # 'b' 99: 66, # 'c' 100: 173, # 'd' 101: 65, # 'e' 102: 174, # 'f' 103: 76, # 'g' 104: 175, # 'h' 105: 64, # 'i' 106: 176, # 'j' 107: 177, # 'k' 108: 77, # 'l' 109: 72, # 'm' 110: 178, # 'n' 111: 69, # 'o' 112: 67, # 'p' 113: 179, # 'q' 114: 78, # 'r' 115: 73, # 's' 116: 180, # 't' 117: 181, # 'u' 118: 79, # 'v' 119: 182, # 'w' 120: 183, # 'x' 121: 184, # 'y' 122: 185, # 'z' 123: 253, # '{' 124: 253, # '|' 125: 253, # '}' 126: 253, # '~' 127: 253, # '\x7f' 128: 191, # '\x80' 129: 192, # '\x81' 130: 193, # '\x82' 131: 194, # '\x83' 132: 195, # '\x84' 133: 196, # '\x85' 134: 197, # '\x86' 135: 198, # '\x87' 136: 199, # '\x88' 137: 200, # '\x89' 138: 201, # '\x8a' 139: 202, # '\x8b' 140: 203, # '\x8c' 141: 204, # '\x8d' 142: 205, # '\x8e' 143: 206, # '\x8f' 144: 207, # '\x90' 145: 208, # '\x91' 146: 209, # '\x92' 147: 210, # '\x93' 148: 211, # '\x94' 149: 212, # '\x95' 150: 213, # '\x96' 151: 214, # '\x97' 152: 215, # '\x98' 153: 216, # '\x99' 154: 217, # '\x9a' 155: 218, # '\x9b' 156: 219, # '\x9c' 157: 220, # '\x9d' 158: 221, # '\x9e' 159: 222, # '\x9f' 160: 223, # '\xa0' 161: 224, # 'Ё' 162: 225, # 'Ђ' 163: 226, # 'Ѓ' 164: 227, # 'Є' 165: 228, # 'Ѕ' 166: 229, # 'І' 167: 230, # 'Ї' 168: 231, # 'Ј' 169: 232, # 'Љ' 170: 233, # 'Њ' 171: 234, # 'Ћ' 172: 235, # 'Ќ' 173: 236, # '\xad' 174: 237, # 'Ў' 175: 238, # 'Џ' 176: 37, # 'А' 177: 44, # 'Б' 178: 33, # 'В' 179: 46, # 'Г' 180: 41, # 'Д' 181: 48, # 'Е' 182: 56, # 'Ж' 183: 51, # 'З' 184: 42, # 'И' 185: 60, # 'Й' 186: 36, # 'К' 187: 49, # 'Л' 188: 38, # 'М' 189: 31, # 'Н' 190: 34, # 'О' 191: 35, # 'П' 192: 45, # 'Р' 193: 32, # 'С' 194: 40, # 'Т' 195: 52, # 'У' 196: 53, # 'Ф' 197: 55, # 'Х' 198: 58, # 'Ц' 199: 50, # 'Ч' 200: 57, # 'Ш' 201: 63, # 'Щ' 202: 70, # 'Ъ' 203: 62, # 'Ы' 204: 61, # 'Ь' 205: 47, # 'Э' 206: 59, # 'Ю' 207: 43, # 'Я' 208: 3, # 'а' 209: 21, # 'б' 210: 10, # 'в' 211: 19, # 'г' 212: 13, # 'д' 213: 2, # 'е' 214: 24, # 'ж' 215: 20, # 'з' 216: 4, # 'и' 217: 23, # 'й' 218: 11, # 'к' 219: 8, # 'л' 220: 12, # 'м' 221: 5, # 'н' 222: 1, # 'о' 223: 15, # 'п' 224: 9, # 'р' 225: 7, # 'с' 226: 6, # 'т' 227: 14, # 'у' 228: 39, # 'ф' 229: 26, # 'х' 230: 28, # 'ц' 231: 22, # 'ч' 232: 25, # 'ш' 233: 29, # 'щ' 234: 54, # 'ъ' 235: 18, # 'ы' 236: 17, # 'ь' 237: 30, # 'э' 238: 27, # 'ю' 239: 16, # 'я' 240: 239, # '№' 241: 68, # 'ё' 242: 240, # 'ђ' 243: 241, # 'ѓ' 244: 242, # 'є' 245: 243, # 'ѕ' 246: 244, # 'і' 247: 245, # 'ї' 248: 246, # 'ј' 249: 247, # 'љ' 250: 248, # 'њ' 251: 249, # 'ћ' 252: 250, # 'ќ' 253: 251, # '§' 254: 252, # 'ў' 255: 255, # 'џ' } ISO_8859_5_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-5', language='Russian', char_to_order_map=ISO_8859_5_RUSSIAN_CHAR_TO_ORDER, language_model=RUSSIAN_LANG_MODEL, typical_positive_ratio=0.976601, keep_ascii_letters=False, alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') _vendor/chardet/langthaimodel.py 0000644 00000311572 15114542003 0013000 0 ustar 00 # -*- coding: utf-8 -*- from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel # 3: Positive # 2: Likely # 1: Unlikely # 0: Negative THAI_LANG_MODEL = { 5: { # 'ก' 5: 2, # 'ก' 30: 2, # 'ข' 24: 2, # 'ค' 8: 2, # 'ง' 26: 2, # 'จ' 52: 0, # 'ฉ' 34: 1, # 'ช' 51: 1, # 'ซ' 47: 0, # 'ญ' 58: 3, # 'ฎ' 57: 2, # 'ฏ' 49: 0, # 'ฐ' 53: 0, # 'ฑ' 55: 0, # 'ฒ' 43: 2, # 'ณ' 20: 2, # 'ด' 19: 3, # 'ต' 44: 0, # 'ถ' 14: 2, # 'ท' 48: 0, # 'ธ' 3: 2, # 'น' 17: 1, # 'บ' 25: 2, # 'ป' 39: 1, # 'ผ' 62: 1, # 'ฝ' 31: 1, # 'พ' 54: 0, # 'ฟ' 45: 1, # 'ภ' 9: 2, # 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'\x97' 152: 228, # '\x98' 153: 229, # '\x99' 154: 230, # '\x9a' 155: 231, # '\x9b' 156: 232, # '\x9c' 157: 233, # '\x9d' 158: 234, # '\x9e' 159: 235, # '\x9f' 160: 236, # None 161: 5, # 'ก' 162: 30, # 'ข' 163: 237, # 'ฃ' 164: 24, # 'ค' 165: 238, # 'ฅ' 166: 75, # 'ฆ' 167: 8, # 'ง' 168: 26, # 'จ' 169: 52, # 'ฉ' 170: 34, # 'ช' 171: 51, # 'ซ' 172: 119, # 'ฌ' 173: 47, # 'ญ' 174: 58, # 'ฎ' 175: 57, # 'ฏ' 176: 49, # 'ฐ' 177: 53, # 'ฑ' 178: 55, # 'ฒ' 179: 43, # 'ณ' 180: 20, # 'ด' 181: 19, # 'ต' 182: 44, # 'ถ' 183: 14, # 'ท' 184: 48, # 'ธ' 185: 3, # 'น' 186: 17, # 'บ' 187: 25, # 'ป' 188: 39, # 'ผ' 189: 62, # 'ฝ' 190: 31, # 'พ' 191: 54, # 'ฟ' 192: 45, # 'ภ' 193: 9, # 'ม' 194: 16, # 'ย' 195: 2, # 'ร' 196: 61, # 'ฤ' 197: 15, # 'ล' 198: 239, # 'ฦ' 199: 12, # 'ว' 200: 42, # 'ศ' 201: 46, # 'ษ' 202: 18, # 'ส' 203: 21, # 'ห' 204: 76, # 'ฬ' 205: 4, # 'อ' 206: 66, # 'ฮ' 207: 63, # 'ฯ' 208: 22, # 'ะ' 209: 10, # 'ั' 210: 1, # 'า' 211: 36, # 'ำ' 212: 23, # 'ิ' 213: 13, # 'ี' 214: 40, # 'ึ' 215: 27, # 'ื' 216: 32, # 'ุ' 217: 35, # 'ู' 218: 86, # 'ฺ' 219: 240, # None 220: 241, # None 221: 242, # None 222: 243, # None 223: 244, # '฿' 224: 11, # 'เ' 225: 28, # 'แ' 226: 41, # 'โ' 227: 29, # 'ใ' 228: 33, # 'ไ' 229: 245, # 'ๅ' 230: 50, # 'ๆ' 231: 37, # '็' 232: 6, # '่' 233: 7, # '้' 234: 67, # '๊' 235: 77, # '๋' 236: 38, # '์' 237: 93, # 'ํ' 238: 246, # '๎' 239: 247, # '๏' 240: 68, # '๐' 241: 56, # '๑' 242: 59, # '๒' 243: 65, # '๓' 244: 69, # '๔' 245: 60, # '๕' 246: 70, # '๖' 247: 80, # '๗' 248: 71, # '๘' 249: 87, # '๙' 250: 248, # '๚' 251: 249, # '๛' 252: 250, # None 253: 251, # None 254: 252, # None 255: 253, # None } TIS_620_THAI_MODEL = SingleByteCharSetModel(charset_name='TIS-620', language='Thai', char_to_order_map=TIS_620_THAI_CHAR_TO_ORDER, language_model=THAI_LANG_MODEL, typical_positive_ratio=0.926386, keep_ascii_letters=False, alphabet='กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛') _vendor/chardet/langturkishmodel.py 0000644 00000273264 15114542003 0013551 0 ustar 00 # -*- coding: utf-8 -*- from pip._vendor.chardet.sbcharsetprober import SingleByteCharSetModel # 3: Positive # 2: Likely # 1: Unlikely # 0: Negative TURKISH_LANG_MODEL = { 23: { # 'A' 23: 0, # 'A' 37: 0, # 'B' 47: 0, # 'C' 39: 0, # 'D' 29: 0, # 'E' 52: 0, # 'F' 36: 0, # 'G' 45: 0, # 'H' 53: 0, # 'I' 60: 0, # 'J' 16: 0, # 'K' 49: 0, # 'L' 20: 0, # 'M' 46: 0, # 'N' 42: 0, # 'O' 48: 0, # 'P' 44: 0, # 'R' 35: 0, # 'S' 31: 0, # 'T' 51: 0, # 'U' 38: 0, # 'V' 62: 0, # 'W' 43: 0, # 'Y' 56: 0, # 'Z' 1: 3, # 'a' 21: 0, # 'b' 28: 0, # 'c' 12: 2, # 'd' 2: 3, # 'e' 18: 0, # 'f' 27: 1, # 'g' 25: 1, # 'h' 3: 1, # 'i' 24: 0, # 'j' 10: 2, # 'k' 5: 1, # 'l' 13: 1, # 'm' 4: 1, # 'n' 15: 0, # 'o' 26: 0, # 'p' 7: 1, # 'r' 8: 1, # 's' 9: 1, # 't' 14: 1, # 'u' 32: 0, # 'v' 57: 0, # 'w' 58: 0, # 'x' 11: 3, # 'y' 22: 0, # 'z' 63: 0, # '·' 54: 0, # 'Ç' 50: 0, # 'Ö' 55: 0, # 'Ü' 59: 0, # 'â' 33: 1, # 'ç' 61: 0, # 'î' 34: 0, # 'ö' 17: 0, # 'ü' 30: 0, # 'ğ' 41: 0, # 'İ' 6: 0, # 'ı' 40: 0, # 'Ş' 19: 0, # 'ş' }, 37: { # 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'õ' 246: 34, # 'ö' 247: 95, # '÷' 248: 81, # 'ø' 249: 108, # 'ù' 250: 76, # 'ú' 251: 72, # 'û' 252: 17, # 'ü' 253: 6, # 'ı' 254: 19, # 'ş' 255: 107, # 'ÿ' } ISO_8859_9_TURKISH_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-9', language='Turkish', char_to_order_map=ISO_8859_9_TURKISH_CHAR_TO_ORDER, language_model=TURKISH_LANG_MODEL, typical_positive_ratio=0.97029, keep_ascii_letters=True, alphabet='ABCDEFGHIJKLMNOPRSTUVYZabcdefghijklmnoprstuvyzÂÇÎÖÛÜâçîöûüĞğİıŞş') _vendor/chardet/latin1prober.py 0000644 00000012372 15114542003 0012566 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetprober import CharSetProber from .enums import ProbingState FREQ_CAT_NUM = 4 UDF = 0 # undefined OTH = 1 # other ASC = 2 # ascii capital letter ASS = 3 # ascii small letter ACV = 4 # accent capital vowel ACO = 5 # accent capital other ASV = 6 # accent small vowel ASO = 7 # accent small other CLASS_NUM = 8 # total classes Latin1_CharToClass = ( OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 00 - 07 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 08 - 0F OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 10 - 17 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 18 - 1F OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 20 - 27 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 28 - 2F OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 30 - 37 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 38 - 3F OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 40 - 47 ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 48 - 4F ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 50 - 57 ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH, # 58 - 5F OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 60 - 67 ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 68 - 6F ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 70 - 77 ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH, # 78 - 7F OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH, # 80 - 87 OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF, # 88 - 8F UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 90 - 97 OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO, # 98 - 9F OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A0 - A7 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A8 - AF OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B0 - B7 OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B8 - BF ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO, # C0 - C7 ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV, # C8 - CF ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH, # D0 - D7 ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO, # D8 - DF ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO, # E0 - E7 ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV, # E8 - EF ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH, # F0 - F7 ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO, # F8 - FF ) # 0 : illegal # 1 : very unlikely # 2 : normal # 3 : very likely Latin1ClassModel = ( # UDF OTH ASC ASS ACV ACO ASV ASO 0, 0, 0, 0, 0, 0, 0, 0, # UDF 0, 3, 3, 3, 3, 3, 3, 3, # OTH 0, 3, 3, 3, 3, 3, 3, 3, # ASC 0, 3, 3, 3, 1, 1, 3, 3, # ASS 0, 3, 3, 3, 1, 2, 1, 2, # ACV 0, 3, 3, 3, 3, 3, 3, 3, # ACO 0, 3, 1, 3, 1, 1, 1, 3, # ASV 0, 3, 1, 3, 1, 1, 3, 3, # ASO ) class Latin1Prober(CharSetProber): def __init__(self): super(Latin1Prober, self).__init__() self._last_char_class = None self._freq_counter = None self.reset() def reset(self): self._last_char_class = OTH self._freq_counter = [0] * FREQ_CAT_NUM CharSetProber.reset(self) @property def charset_name(self): return "ISO-8859-1" @property def language(self): return "" def feed(self, byte_str): byte_str = self.filter_with_english_letters(byte_str) for c in byte_str: char_class = Latin1_CharToClass[c] freq = Latin1ClassModel[(self._last_char_class * CLASS_NUM) + char_class] if freq == 0: self._state = ProbingState.NOT_ME break self._freq_counter[freq] += 1 self._last_char_class = char_class return self.state def get_confidence(self): if self.state == ProbingState.NOT_ME: return 0.01 total = sum(self._freq_counter) if total < 0.01: confidence = 0.0 else: confidence = ((self._freq_counter[3] - self._freq_counter[1] * 20.0) / total) if confidence < 0.0: confidence = 0.0 # lower the confidence of latin1 so that other more accurate # detector can take priority. confidence = confidence * 0.73 return confidence _vendor/chardet/mbcharsetprober.py 0000644 00000006525 15114542003 0013351 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # Proofpoint, Inc. # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetprober import CharSetProber from .enums import ProbingState, MachineState class MultiByteCharSetProber(CharSetProber): """ MultiByteCharSetProber """ def __init__(self, lang_filter=None): super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter) self.distribution_analyzer = None self.coding_sm = None self._last_char = [0, 0] def reset(self): super(MultiByteCharSetProber, self).reset() if self.coding_sm: self.coding_sm.reset() if self.distribution_analyzer: self.distribution_analyzer.reset() self._last_char = [0, 0] @property def charset_name(self): raise NotImplementedError @property def language(self): raise NotImplementedError def feed(self, byte_str): for i in range(len(byte_str)): coding_state = self.coding_sm.next_state(byte_str[i]) if coding_state == MachineState.ERROR: self.logger.debug('%s %s prober hit error at byte %s', self.charset_name, self.language, i) self._state = ProbingState.NOT_ME break elif coding_state == MachineState.ITS_ME: self._state = ProbingState.FOUND_IT break elif coding_state == MachineState.START: char_len = self.coding_sm.get_current_charlen() if i == 0: self._last_char[1] = byte_str[0] self.distribution_analyzer.feed(self._last_char, char_len) else: self.distribution_analyzer.feed(byte_str[i - 1:i + 1], char_len) self._last_char[0] = byte_str[-1] if self.state == ProbingState.DETECTING: if (self.distribution_analyzer.got_enough_data() and (self.get_confidence() > self.SHORTCUT_THRESHOLD)): self._state = ProbingState.FOUND_IT return self.state def get_confidence(self): return self.distribution_analyzer.get_confidence() _vendor/chardet/mbcsgroupprober.py 0000644 00000003734 15114542003 0013401 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # Proofpoint, Inc. # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetgroupprober import CharSetGroupProber from .utf8prober import UTF8Prober from .sjisprober import SJISProber from .eucjpprober import EUCJPProber from .gb2312prober import GB2312Prober from .euckrprober import EUCKRProber from .cp949prober import CP949Prober from .big5prober import Big5Prober from .euctwprober import EUCTWProber class MBCSGroupProber(CharSetGroupProber): def __init__(self, lang_filter=None): super(MBCSGroupProber, self).__init__(lang_filter=lang_filter) self.probers = [ UTF8Prober(), SJISProber(), EUCJPProber(), GB2312Prober(), EUCKRProber(), CP949Prober(), Big5Prober(), EUCTWProber() ] self.reset() _vendor/chardet/mbcssm.py 0000644 00000061611 15114542003 0011450 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is mozilla.org code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 1998 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .enums import MachineState # BIG5 BIG5_CLS = ( 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as legal value 1,1,1,1,1,1,0,0, # 08 - 0f 1,1,1,1,1,1,1,1, # 10 - 17 1,1,1,0,1,1,1,1, # 18 - 1f 1,1,1,1,1,1,1,1, # 20 - 27 1,1,1,1,1,1,1,1, # 28 - 2f 1,1,1,1,1,1,1,1, # 30 - 37 1,1,1,1,1,1,1,1, # 38 - 3f 2,2,2,2,2,2,2,2, # 40 - 47 2,2,2,2,2,2,2,2, # 48 - 4f 2,2,2,2,2,2,2,2, # 50 - 57 2,2,2,2,2,2,2,2, # 58 - 5f 2,2,2,2,2,2,2,2, # 60 - 67 2,2,2,2,2,2,2,2, # 68 - 6f 2,2,2,2,2,2,2,2, # 70 - 77 2,2,2,2,2,2,2,1, # 78 - 7f 4,4,4,4,4,4,4,4, # 80 - 87 4,4,4,4,4,4,4,4, # 88 - 8f 4,4,4,4,4,4,4,4, # 90 - 97 4,4,4,4,4,4,4,4, # 98 - 9f 4,3,3,3,3,3,3,3, # a0 - a7 3,3,3,3,3,3,3,3, # a8 - af 3,3,3,3,3,3,3,3, # b0 - b7 3,3,3,3,3,3,3,3, # b8 - bf 3,3,3,3,3,3,3,3, # c0 - c7 3,3,3,3,3,3,3,3, # c8 - cf 3,3,3,3,3,3,3,3, # d0 - d7 3,3,3,3,3,3,3,3, # d8 - df 3,3,3,3,3,3,3,3, # e0 - e7 3,3,3,3,3,3,3,3, # e8 - ef 3,3,3,3,3,3,3,3, # f0 - f7 3,3,3,3,3,3,3,0 # f8 - ff ) BIG5_ST = ( MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,#08-0f MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START#10-17 ) BIG5_CHAR_LEN_TABLE = (0, 1, 1, 2, 0) BIG5_SM_MODEL = {'class_table': BIG5_CLS, 'class_factor': 5, 'state_table': BIG5_ST, 'char_len_table': BIG5_CHAR_LEN_TABLE, 'name': 'Big5'} # CP949 CP949_CLS = ( 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,0,0, # 00 - 0f 1,1,1,1,1,1,1,1, 1,1,1,0,1,1,1,1, # 10 - 1f 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 20 - 2f 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 30 - 3f 1,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4, # 40 - 4f 4,4,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 50 - 5f 1,5,5,5,5,5,5,5, 5,5,5,5,5,5,5,5, # 60 - 6f 5,5,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 70 - 7f 0,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 80 - 8f 6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 90 - 9f 6,7,7,7,7,7,7,7, 7,7,7,7,7,8,8,8, # a0 - af 7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7, # b0 - bf 7,7,7,7,7,7,9,2, 2,3,2,2,2,2,2,2, # c0 - cf 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # d0 - df 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # e0 - ef 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,0, # f0 - ff ) CP949_ST = ( #cls= 0 1 2 3 4 5 6 7 8 9 # previous state = MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START, 4, 5,MachineState.ERROR, 6, # MachineState.START MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, # MachineState.ERROR MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME, # MachineState.ITS_ME MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 3 MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 4 MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 5 MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 6 ) CP949_CHAR_LEN_TABLE = (0, 1, 2, 0, 1, 1, 2, 2, 0, 2) CP949_SM_MODEL = {'class_table': CP949_CLS, 'class_factor': 10, 'state_table': CP949_ST, 'char_len_table': CP949_CHAR_LEN_TABLE, 'name': 'CP949'} # EUC-JP EUCJP_CLS = ( 4,4,4,4,4,4,4,4, # 00 - 07 4,4,4,4,4,4,5,5, # 08 - 0f 4,4,4,4,4,4,4,4, # 10 - 17 4,4,4,5,4,4,4,4, # 18 - 1f 4,4,4,4,4,4,4,4, # 20 - 27 4,4,4,4,4,4,4,4, # 28 - 2f 4,4,4,4,4,4,4,4, # 30 - 37 4,4,4,4,4,4,4,4, # 38 - 3f 4,4,4,4,4,4,4,4, # 40 - 47 4,4,4,4,4,4,4,4, # 48 - 4f 4,4,4,4,4,4,4,4, # 50 - 57 4,4,4,4,4,4,4,4, # 58 - 5f 4,4,4,4,4,4,4,4, # 60 - 67 4,4,4,4,4,4,4,4, # 68 - 6f 4,4,4,4,4,4,4,4, # 70 - 77 4,4,4,4,4,4,4,4, # 78 - 7f 5,5,5,5,5,5,5,5, # 80 - 87 5,5,5,5,5,5,1,3, # 88 - 8f 5,5,5,5,5,5,5,5, # 90 - 97 5,5,5,5,5,5,5,5, # 98 - 9f 5,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,2,2,2, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,2,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 0,0,0,0,0,0,0,0, # e0 - e7 0,0,0,0,0,0,0,0, # e8 - ef 0,0,0,0,0,0,0,0, # f0 - f7 0,0,0,0,0,0,0,5 # f8 - ff ) EUCJP_ST = ( 3, 4, 3, 5,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 3,MachineState.ERROR,#18-1f 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START#20-27 ) EUCJP_CHAR_LEN_TABLE = (2, 2, 2, 3, 1, 0) EUCJP_SM_MODEL = {'class_table': EUCJP_CLS, 'class_factor': 6, 'state_table': EUCJP_ST, 'char_len_table': EUCJP_CHAR_LEN_TABLE, 'name': 'EUC-JP'} # EUC-KR EUCKR_CLS = ( 1,1,1,1,1,1,1,1, # 00 - 07 1,1,1,1,1,1,0,0, # 08 - 0f 1,1,1,1,1,1,1,1, # 10 - 17 1,1,1,0,1,1,1,1, # 18 - 1f 1,1,1,1,1,1,1,1, # 20 - 27 1,1,1,1,1,1,1,1, # 28 - 2f 1,1,1,1,1,1,1,1, # 30 - 37 1,1,1,1,1,1,1,1, # 38 - 3f 1,1,1,1,1,1,1,1, # 40 - 47 1,1,1,1,1,1,1,1, # 48 - 4f 1,1,1,1,1,1,1,1, # 50 - 57 1,1,1,1,1,1,1,1, # 58 - 5f 1,1,1,1,1,1,1,1, # 60 - 67 1,1,1,1,1,1,1,1, # 68 - 6f 1,1,1,1,1,1,1,1, # 70 - 77 1,1,1,1,1,1,1,1, # 78 - 7f 0,0,0,0,0,0,0,0, # 80 - 87 0,0,0,0,0,0,0,0, # 88 - 8f 0,0,0,0,0,0,0,0, # 90 - 97 0,0,0,0,0,0,0,0, # 98 - 9f 0,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,3,3,3, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,3,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 2,2,2,2,2,2,2,2, # e0 - e7 2,2,2,2,2,2,2,2, # e8 - ef 2,2,2,2,2,2,2,2, # f0 - f7 2,2,2,2,2,2,2,0 # f8 - ff ) EUCKR_ST = ( MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #08-0f ) EUCKR_CHAR_LEN_TABLE = (0, 1, 2, 0) EUCKR_SM_MODEL = {'class_table': EUCKR_CLS, 'class_factor': 4, 'state_table': EUCKR_ST, 'char_len_table': EUCKR_CHAR_LEN_TABLE, 'name': 'EUC-KR'} # EUC-TW EUCTW_CLS = ( 2,2,2,2,2,2,2,2, # 00 - 07 2,2,2,2,2,2,0,0, # 08 - 0f 2,2,2,2,2,2,2,2, # 10 - 17 2,2,2,0,2,2,2,2, # 18 - 1f 2,2,2,2,2,2,2,2, # 20 - 27 2,2,2,2,2,2,2,2, # 28 - 2f 2,2,2,2,2,2,2,2, # 30 - 37 2,2,2,2,2,2,2,2, # 38 - 3f 2,2,2,2,2,2,2,2, # 40 - 47 2,2,2,2,2,2,2,2, # 48 - 4f 2,2,2,2,2,2,2,2, # 50 - 57 2,2,2,2,2,2,2,2, # 58 - 5f 2,2,2,2,2,2,2,2, # 60 - 67 2,2,2,2,2,2,2,2, # 68 - 6f 2,2,2,2,2,2,2,2, # 70 - 77 2,2,2,2,2,2,2,2, # 78 - 7f 0,0,0,0,0,0,0,0, # 80 - 87 0,0,0,0,0,0,6,0, # 88 - 8f 0,0,0,0,0,0,0,0, # 90 - 97 0,0,0,0,0,0,0,0, # 98 - 9f 0,3,4,4,4,4,4,4, # a0 - a7 5,5,1,1,1,1,1,1, # a8 - af 1,1,1,1,1,1,1,1, # b0 - b7 1,1,1,1,1,1,1,1, # b8 - bf 1,1,3,1,3,3,3,3, # c0 - c7 3,3,3,3,3,3,3,3, # c8 - cf 3,3,3,3,3,3,3,3, # d0 - d7 3,3,3,3,3,3,3,3, # d8 - df 3,3,3,3,3,3,3,3, # e0 - e7 3,3,3,3,3,3,3,3, # e8 - ef 3,3,3,3,3,3,3,3, # f0 - f7 3,3,3,3,3,3,3,0 # f8 - ff ) EUCTW_ST = ( MachineState.ERROR,MachineState.ERROR,MachineState.START, 3, 3, 3, 4,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.ERROR,#10-17 MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,#20-27 MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f ) EUCTW_CHAR_LEN_TABLE = (0, 0, 1, 2, 2, 2, 3) EUCTW_SM_MODEL = {'class_table': EUCTW_CLS, 'class_factor': 7, 'state_table': EUCTW_ST, 'char_len_table': EUCTW_CHAR_LEN_TABLE, 'name': 'x-euc-tw'} # GB2312 GB2312_CLS = ( 1,1,1,1,1,1,1,1, # 00 - 07 1,1,1,1,1,1,0,0, # 08 - 0f 1,1,1,1,1,1,1,1, # 10 - 17 1,1,1,0,1,1,1,1, # 18 - 1f 1,1,1,1,1,1,1,1, # 20 - 27 1,1,1,1,1,1,1,1, # 28 - 2f 3,3,3,3,3,3,3,3, # 30 - 37 3,3,1,1,1,1,1,1, # 38 - 3f 2,2,2,2,2,2,2,2, # 40 - 47 2,2,2,2,2,2,2,2, # 48 - 4f 2,2,2,2,2,2,2,2, # 50 - 57 2,2,2,2,2,2,2,2, # 58 - 5f 2,2,2,2,2,2,2,2, # 60 - 67 2,2,2,2,2,2,2,2, # 68 - 6f 2,2,2,2,2,2,2,2, # 70 - 77 2,2,2,2,2,2,2,4, # 78 - 7f 5,6,6,6,6,6,6,6, # 80 - 87 6,6,6,6,6,6,6,6, # 88 - 8f 6,6,6,6,6,6,6,6, # 90 - 97 6,6,6,6,6,6,6,6, # 98 - 9f 6,6,6,6,6,6,6,6, # a0 - a7 6,6,6,6,6,6,6,6, # a8 - af 6,6,6,6,6,6,6,6, # b0 - b7 6,6,6,6,6,6,6,6, # b8 - bf 6,6,6,6,6,6,6,6, # c0 - c7 6,6,6,6,6,6,6,6, # c8 - cf 6,6,6,6,6,6,6,6, # d0 - d7 6,6,6,6,6,6,6,6, # d8 - df 6,6,6,6,6,6,6,6, # e0 - e7 6,6,6,6,6,6,6,6, # e8 - ef 6,6,6,6,6,6,6,6, # f0 - f7 6,6,6,6,6,6,6,0 # f8 - ff ) GB2312_ST = ( MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, 3,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,#10-17 4,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#20-27 MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f ) # To be accurate, the length of class 6 can be either 2 or 4. # But it is not necessary to discriminate between the two since # it is used for frequency analysis only, and we are validating # each code range there as well. So it is safe to set it to be # 2 here. GB2312_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 1, 2) GB2312_SM_MODEL = {'class_table': GB2312_CLS, 'class_factor': 7, 'state_table': GB2312_ST, 'char_len_table': GB2312_CHAR_LEN_TABLE, 'name': 'GB2312'} # Shift_JIS SJIS_CLS = ( 1,1,1,1,1,1,1,1, # 00 - 07 1,1,1,1,1,1,0,0, # 08 - 0f 1,1,1,1,1,1,1,1, # 10 - 17 1,1,1,0,1,1,1,1, # 18 - 1f 1,1,1,1,1,1,1,1, # 20 - 27 1,1,1,1,1,1,1,1, # 28 - 2f 1,1,1,1,1,1,1,1, # 30 - 37 1,1,1,1,1,1,1,1, # 38 - 3f 2,2,2,2,2,2,2,2, # 40 - 47 2,2,2,2,2,2,2,2, # 48 - 4f 2,2,2,2,2,2,2,2, # 50 - 57 2,2,2,2,2,2,2,2, # 58 - 5f 2,2,2,2,2,2,2,2, # 60 - 67 2,2,2,2,2,2,2,2, # 68 - 6f 2,2,2,2,2,2,2,2, # 70 - 77 2,2,2,2,2,2,2,1, # 78 - 7f 3,3,3,3,3,2,2,3, # 80 - 87 3,3,3,3,3,3,3,3, # 88 - 8f 3,3,3,3,3,3,3,3, # 90 - 97 3,3,3,3,3,3,3,3, # 98 - 9f #0xa0 is illegal in sjis encoding, but some pages does #contain such byte. We need to be more error forgiven. 2,2,2,2,2,2,2,2, # a0 - a7 2,2,2,2,2,2,2,2, # a8 - af 2,2,2,2,2,2,2,2, # b0 - b7 2,2,2,2,2,2,2,2, # b8 - bf 2,2,2,2,2,2,2,2, # c0 - c7 2,2,2,2,2,2,2,2, # c8 - cf 2,2,2,2,2,2,2,2, # d0 - d7 2,2,2,2,2,2,2,2, # d8 - df 3,3,3,3,3,3,3,3, # e0 - e7 3,3,3,3,3,4,4,4, # e8 - ef 3,3,3,3,3,3,3,3, # f0 - f7 3,3,3,3,3,0,0,0) # f8 - ff SJIS_ST = ( MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START #10-17 ) SJIS_CHAR_LEN_TABLE = (0, 1, 1, 2, 0, 0) SJIS_SM_MODEL = {'class_table': SJIS_CLS, 'class_factor': 6, 'state_table': SJIS_ST, 'char_len_table': SJIS_CHAR_LEN_TABLE, 'name': 'Shift_JIS'} # UCS2-BE UCS2BE_CLS = ( 0,0,0,0,0,0,0,0, # 00 - 07 0,0,1,0,0,2,0,0, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,3,0,0,0,0, # 18 - 1f 0,0,0,0,0,0,0,0, # 20 - 27 0,3,3,3,3,3,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 0,0,0,0,0,0,0,0, # 40 - 47 0,0,0,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,0,0,0,0,0, # 78 - 7f 0,0,0,0,0,0,0,0, # 80 - 87 0,0,0,0,0,0,0,0, # 88 - 8f 0,0,0,0,0,0,0,0, # 90 - 97 0,0,0,0,0,0,0,0, # 98 - 9f 0,0,0,0,0,0,0,0, # a0 - a7 0,0,0,0,0,0,0,0, # a8 - af 0,0,0,0,0,0,0,0, # b0 - b7 0,0,0,0,0,0,0,0, # b8 - bf 0,0,0,0,0,0,0,0, # c0 - c7 0,0,0,0,0,0,0,0, # c8 - cf 0,0,0,0,0,0,0,0, # d0 - d7 0,0,0,0,0,0,0,0, # d8 - df 0,0,0,0,0,0,0,0, # e0 - e7 0,0,0,0,0,0,0,0, # e8 - ef 0,0,0,0,0,0,0,0, # f0 - f7 0,0,0,0,0,0,4,5 # f8 - ff ) UCS2BE_ST = ( 5, 7, 7,MachineState.ERROR, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME, 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,#10-17 6, 6, 6, 6, 6,MachineState.ITS_ME, 6, 6,#18-1f 6, 6, 6, 6, 5, 7, 7,MachineState.ERROR,#20-27 5, 8, 6, 6,MachineState.ERROR, 6, 6, 6,#28-2f 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #30-37 ) UCS2BE_CHAR_LEN_TABLE = (2, 2, 2, 0, 2, 2) UCS2BE_SM_MODEL = {'class_table': UCS2BE_CLS, 'class_factor': 6, 'state_table': UCS2BE_ST, 'char_len_table': UCS2BE_CHAR_LEN_TABLE, 'name': 'UTF-16BE'} # UCS2-LE UCS2LE_CLS = ( 0,0,0,0,0,0,0,0, # 00 - 07 0,0,1,0,0,2,0,0, # 08 - 0f 0,0,0,0,0,0,0,0, # 10 - 17 0,0,0,3,0,0,0,0, # 18 - 1f 0,0,0,0,0,0,0,0, # 20 - 27 0,3,3,3,3,3,0,0, # 28 - 2f 0,0,0,0,0,0,0,0, # 30 - 37 0,0,0,0,0,0,0,0, # 38 - 3f 0,0,0,0,0,0,0,0, # 40 - 47 0,0,0,0,0,0,0,0, # 48 - 4f 0,0,0,0,0,0,0,0, # 50 - 57 0,0,0,0,0,0,0,0, # 58 - 5f 0,0,0,0,0,0,0,0, # 60 - 67 0,0,0,0,0,0,0,0, # 68 - 6f 0,0,0,0,0,0,0,0, # 70 - 77 0,0,0,0,0,0,0,0, # 78 - 7f 0,0,0,0,0,0,0,0, # 80 - 87 0,0,0,0,0,0,0,0, # 88 - 8f 0,0,0,0,0,0,0,0, # 90 - 97 0,0,0,0,0,0,0,0, # 98 - 9f 0,0,0,0,0,0,0,0, # a0 - a7 0,0,0,0,0,0,0,0, # a8 - af 0,0,0,0,0,0,0,0, # b0 - b7 0,0,0,0,0,0,0,0, # b8 - bf 0,0,0,0,0,0,0,0, # c0 - c7 0,0,0,0,0,0,0,0, # c8 - cf 0,0,0,0,0,0,0,0, # d0 - d7 0,0,0,0,0,0,0,0, # d8 - df 0,0,0,0,0,0,0,0, # e0 - e7 0,0,0,0,0,0,0,0, # e8 - ef 0,0,0,0,0,0,0,0, # f0 - f7 0,0,0,0,0,0,4,5 # f8 - ff ) UCS2LE_ST = ( 6, 6, 7, 6, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f MachineState.ITS_ME,MachineState.ITS_ME, 5, 5, 5,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#10-17 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR, 6, 6,#18-1f 7, 6, 8, 8, 5, 5, 5,MachineState.ERROR,#20-27 5, 5, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5,#28-2f 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR,MachineState.START,MachineState.START #30-37 ) UCS2LE_CHAR_LEN_TABLE = (2, 2, 2, 2, 2, 2) UCS2LE_SM_MODEL = {'class_table': UCS2LE_CLS, 'class_factor': 6, 'state_table': UCS2LE_ST, 'char_len_table': UCS2LE_CHAR_LEN_TABLE, 'name': 'UTF-16LE'} # UTF-8 UTF8_CLS = ( 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as a legal value 1,1,1,1,1,1,0,0, # 08 - 0f 1,1,1,1,1,1,1,1, # 10 - 17 1,1,1,0,1,1,1,1, # 18 - 1f 1,1,1,1,1,1,1,1, # 20 - 27 1,1,1,1,1,1,1,1, # 28 - 2f 1,1,1,1,1,1,1,1, # 30 - 37 1,1,1,1,1,1,1,1, # 38 - 3f 1,1,1,1,1,1,1,1, # 40 - 47 1,1,1,1,1,1,1,1, # 48 - 4f 1,1,1,1,1,1,1,1, # 50 - 57 1,1,1,1,1,1,1,1, # 58 - 5f 1,1,1,1,1,1,1,1, # 60 - 67 1,1,1,1,1,1,1,1, # 68 - 6f 1,1,1,1,1,1,1,1, # 70 - 77 1,1,1,1,1,1,1,1, # 78 - 7f 2,2,2,2,3,3,3,3, # 80 - 87 4,4,4,4,4,4,4,4, # 88 - 8f 4,4,4,4,4,4,4,4, # 90 - 97 4,4,4,4,4,4,4,4, # 98 - 9f 5,5,5,5,5,5,5,5, # a0 - a7 5,5,5,5,5,5,5,5, # a8 - af 5,5,5,5,5,5,5,5, # b0 - b7 5,5,5,5,5,5,5,5, # b8 - bf 0,0,6,6,6,6,6,6, # c0 - c7 6,6,6,6,6,6,6,6, # c8 - cf 6,6,6,6,6,6,6,6, # d0 - d7 6,6,6,6,6,6,6,6, # d8 - df 7,8,8,8,8,8,8,8, # e0 - e7 8,8,8,8,8,9,8,8, # e8 - ef 10,11,11,11,11,11,11,11, # f0 - f7 12,13,13,13,14,15,0,0 # f8 - ff ) UTF8_ST = ( MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12, 10,#00-07 9, 11, 8, 7, 6, 5, 4, 3,#08-0f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#20-27 MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#28-2f MachineState.ERROR,MachineState.ERROR, 5, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#30-37 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#38-3f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#40-47 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#48-4f MachineState.ERROR,MachineState.ERROR, 7, 7, 7, 7,MachineState.ERROR,MachineState.ERROR,#50-57 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#58-5f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 7, 7,MachineState.ERROR,MachineState.ERROR,#60-67 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#68-6f MachineState.ERROR,MachineState.ERROR, 9, 9, 9, 9,MachineState.ERROR,MachineState.ERROR,#70-77 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#78-7f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 9,MachineState.ERROR,MachineState.ERROR,#80-87 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#88-8f MachineState.ERROR,MachineState.ERROR, 12, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,#90-97 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#98-9f MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12,MachineState.ERROR,MachineState.ERROR,#a0-a7 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#a8-af MachineState.ERROR,MachineState.ERROR, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b0-b7 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b8-bf MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,#c0-c7 MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR #c8-cf ) UTF8_CHAR_LEN_TABLE = (0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6) UTF8_SM_MODEL = {'class_table': UTF8_CLS, 'class_factor': 16, 'state_table': UTF8_ST, 'char_len_table': UTF8_CHAR_LEN_TABLE, 'name': 'UTF-8'} _vendor/chardet/sbcsgroupprober.py 0000644 00000010325 15114542003 0013401 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### from .charsetgroupprober import CharSetGroupProber from .hebrewprober import HebrewProber from .langbulgarianmodel import (ISO_8859_5_BULGARIAN_MODEL, WINDOWS_1251_BULGARIAN_MODEL) from .langgreekmodel import ISO_8859_7_GREEK_MODEL, WINDOWS_1253_GREEK_MODEL from .langhebrewmodel import WINDOWS_1255_HEBREW_MODEL # from .langhungarianmodel import (ISO_8859_2_HUNGARIAN_MODEL, # WINDOWS_1250_HUNGARIAN_MODEL) from .langrussianmodel import (IBM855_RUSSIAN_MODEL, IBM866_RUSSIAN_MODEL, ISO_8859_5_RUSSIAN_MODEL, KOI8_R_RUSSIAN_MODEL, MACCYRILLIC_RUSSIAN_MODEL, WINDOWS_1251_RUSSIAN_MODEL) from .langthaimodel import TIS_620_THAI_MODEL from .langturkishmodel import ISO_8859_9_TURKISH_MODEL from .sbcharsetprober import SingleByteCharSetProber class SBCSGroupProber(CharSetGroupProber): def __init__(self): super(SBCSGroupProber, self).__init__() hebrew_prober = HebrewProber() logical_hebrew_prober = SingleByteCharSetProber(WINDOWS_1255_HEBREW_MODEL, False, hebrew_prober) # TODO: See if using ISO-8859-8 Hebrew model works better here, since # it's actually the visual one visual_hebrew_prober = SingleByteCharSetProber(WINDOWS_1255_HEBREW_MODEL, True, hebrew_prober) hebrew_prober.set_model_probers(logical_hebrew_prober, visual_hebrew_prober) # TODO: ORDER MATTERS HERE. I changed the order vs what was in master # and several tests failed that did not before. Some thought # should be put into the ordering, and we should consider making # order not matter here, because that is very counter-intuitive. self.probers = [ SingleByteCharSetProber(WINDOWS_1251_RUSSIAN_MODEL), SingleByteCharSetProber(KOI8_R_RUSSIAN_MODEL), SingleByteCharSetProber(ISO_8859_5_RUSSIAN_MODEL), SingleByteCharSetProber(MACCYRILLIC_RUSSIAN_MODEL), SingleByteCharSetProber(IBM866_RUSSIAN_MODEL), SingleByteCharSetProber(IBM855_RUSSIAN_MODEL), SingleByteCharSetProber(ISO_8859_7_GREEK_MODEL), SingleByteCharSetProber(WINDOWS_1253_GREEK_MODEL), SingleByteCharSetProber(ISO_8859_5_BULGARIAN_MODEL), SingleByteCharSetProber(WINDOWS_1251_BULGARIAN_MODEL), # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250) # after we retrain model. # SingleByteCharSetProber(ISO_8859_2_HUNGARIAN_MODEL), # SingleByteCharSetProber(WINDOWS_1250_HUNGARIAN_MODEL), SingleByteCharSetProber(TIS_620_THAI_MODEL), SingleByteCharSetProber(ISO_8859_9_TURKISH_MODEL), hebrew_prober, logical_hebrew_prober, visual_hebrew_prober, ] self.reset() _vendor/chardet/universaldetector.py 0000644 00000030327 15114542003 0013726 0 ustar 00 ######################## BEGIN LICENSE BLOCK ######################## # The Original Code is Mozilla Universal charset detector code. # # The Initial Developer of the Original Code is # Netscape Communications Corporation. # Portions created by the Initial Developer are Copyright (C) 2001 # the Initial Developer. All Rights Reserved. # # Contributor(s): # Mark Pilgrim - port to Python # Shy Shalom - original C code # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA # 02110-1301 USA ######################### END LICENSE BLOCK ######################### """ Module containing the UniversalDetector detector class, which is the primary class a user of ``chardet`` should use. :author: Mark Pilgrim (initial port to Python) :author: Shy Shalom (original C code) :author: Dan Blanchard (major refactoring for 3.0) :author: Ian Cordasco """ import codecs import logging import re from .charsetgroupprober import CharSetGroupProber from .enums import InputState, LanguageFilter, ProbingState from .escprober import EscCharSetProber from .latin1prober import Latin1Prober from .mbcsgroupprober import MBCSGroupProber from .sbcsgroupprober import SBCSGroupProber class UniversalDetector(object): """ The ``UniversalDetector`` class underlies the ``chardet.detect`` function and coordinates all of the different charset probers. To get a ``dict`` containing an encoding and its confidence, you can simply run: .. code:: u = UniversalDetector() u.feed(some_bytes) u.close() detected = u.result """ MINIMUM_THRESHOLD = 0.20 HIGH_BYTE_DETECTOR = re.compile(b'[\x80-\xFF]') ESC_DETECTOR = re.compile(b'(\033|~{)') WIN_BYTE_DETECTOR = re.compile(b'[\x80-\x9F]') ISO_WIN_MAP = {'iso-8859-1': 'Windows-1252', 'iso-8859-2': 'Windows-1250', 'iso-8859-5': 'Windows-1251', 'iso-8859-6': 'Windows-1256', 'iso-8859-7': 'Windows-1253', 'iso-8859-8': 'Windows-1255', 'iso-8859-9': 'Windows-1254', 'iso-8859-13': 'Windows-1257'} def __init__(self, lang_filter=LanguageFilter.ALL): self._esc_charset_prober = None self._charset_probers = [] self.result = None self.done = None self._got_data = None self._input_state = None self._last_char = None self.lang_filter = lang_filter self.logger = logging.getLogger(__name__) self._has_win_bytes = None self.reset() def reset(self): """ Reset the UniversalDetector and all of its probers back to their initial states. This is called by ``__init__``, so you only need to call this directly in between analyses of different documents. """ self.result = {'encoding': None, 'confidence': 0.0, 'language': None} self.done = False self._got_data = False self._has_win_bytes = False self._input_state = InputState.PURE_ASCII self._last_char = b'' if self._esc_charset_prober: self._esc_charset_prober.reset() for prober in self._charset_probers: prober.reset() def feed(self, byte_str): """ Takes a chunk of a document and feeds it through all of the relevant charset probers. After calling ``feed``, you can check the value of the ``done`` attribute to see if you need to continue feeding the ``UniversalDetector`` more data, or if it has made a prediction (in the ``result`` attribute). .. note:: You should always call ``close`` when you're done feeding in your document if ``done`` is not already ``True``. """ if self.done: return if not len(byte_str): return if not isinstance(byte_str, bytearray): byte_str = bytearray(byte_str) # First check for known BOMs, since these are guaranteed to be correct if not self._got_data: # If the data starts with BOM, we know it is UTF if byte_str.startswith(codecs.BOM_UTF8): # EF BB BF UTF-8 with BOM self.result = {'encoding': "UTF-8-SIG", 'confidence': 1.0, 'language': ''} elif byte_str.startswith((codecs.BOM_UTF32_LE, codecs.BOM_UTF32_BE)): # FF FE 00 00 UTF-32, little-endian BOM # 00 00 FE FF UTF-32, big-endian BOM self.result = {'encoding': "UTF-32", 'confidence': 1.0, 'language': ''} elif byte_str.startswith(b'\xFE\xFF\x00\x00'): # FE FF 00 00 UCS-4, unusual octet order BOM (3412) self.result = {'encoding': "X-ISO-10646-UCS-4-3412", 'confidence': 1.0, 'language': ''} elif byte_str.startswith(b'\x00\x00\xFF\xFE'): # 00 00 FF FE UCS-4, unusual octet order BOM (2143) self.result = {'encoding': "X-ISO-10646-UCS-4-2143", 'confidence': 1.0, 'language': ''} elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)): # FF FE UTF-16, little endian BOM # FE FF UTF-16, big endian BOM self.result = {'encoding': "UTF-16", 'confidence': 1.0, 'language': ''} self._got_data = True if self.result['encoding'] is not None: self.done = True return # If none of those matched and we've only see ASCII so far, check # for high bytes and escape sequences if self._input_state == InputState.PURE_ASCII: if self.HIGH_BYTE_DETECTOR.search(byte_str): self._input_state = InputState.HIGH_BYTE elif self._input_state == InputState.PURE_ASCII and \ self.ESC_DETECTOR.search(self._last_char + byte_str): self._input_state = InputState.ESC_ASCII self._last_char = byte_str[-1:] # If we've seen escape sequences, use the EscCharSetProber, which # uses a simple state machine to check for known escape sequences in # HZ and ISO-2022 encodings, since those are the only encodings that # use such sequences. if self._input_state == InputState.ESC_ASCII: if not self._esc_charset_prober: self._esc_charset_prober = EscCharSetProber(self.lang_filter) if self._esc_charset_prober.feed(byte_str) == ProbingState.FOUND_IT: self.result = {'encoding': self._esc_charset_prober.charset_name, 'confidence': self._esc_charset_prober.get_confidence(), 'language': self._esc_charset_prober.language} self.done = True # If we've seen high bytes (i.e., those with values greater than 127), # we need to do more complicated checks using all our multi-byte and # single-byte probers that are left. The single-byte probers # use character bigram distributions to determine the encoding, whereas # the multi-byte probers use a combination of character unigram and # bigram distributions. elif self._input_state == InputState.HIGH_BYTE: if not self._charset_probers: self._charset_probers = [MBCSGroupProber(self.lang_filter)] # If we're checking non-CJK encodings, use single-byte prober if self.lang_filter & LanguageFilter.NON_CJK: self._charset_probers.append(SBCSGroupProber()) self._charset_probers.append(Latin1Prober()) for prober in self._charset_probers: if prober.feed(byte_str) == ProbingState.FOUND_IT: self.result = {'encoding': prober.charset_name, 'confidence': prober.get_confidence(), 'language': prober.language} self.done = True break if self.WIN_BYTE_DETECTOR.search(byte_str): self._has_win_bytes = True def close(self): """ Stop analyzing the current document and come up with a final prediction. :returns: The ``result`` attribute, a ``dict`` with the keys `encoding`, `confidence`, and `language`. """ # Don't bother with checks if we're already done if self.done: return self.result self.done = True if not self._got_data: self.logger.debug('no data received!') # Default to ASCII if it is all we've seen so far elif self._input_state == InputState.PURE_ASCII: self.result = {'encoding': 'ascii', 'confidence': 1.0, 'language': ''} # If we have seen non-ASCII, return the best that met MINIMUM_THRESHOLD elif self._input_state == InputState.HIGH_BYTE: prober_confidence = None max_prober_confidence = 0.0 max_prober = None for prober in self._charset_probers: if not prober: continue prober_confidence = prober.get_confidence() if prober_confidence > max_prober_confidence: max_prober_confidence = prober_confidence max_prober = prober if max_prober and (max_prober_confidence > self.MINIMUM_THRESHOLD): charset_name = max_prober.charset_name lower_charset_name = max_prober.charset_name.lower() confidence = max_prober.get_confidence() # Use Windows encoding name instead of ISO-8859 if we saw any # extra Windows-specific bytes if lower_charset_name.startswith('iso-8859'): if self._has_win_bytes: charset_name = self.ISO_WIN_MAP.get(lower_charset_name, charset_name) self.result = {'encoding': charset_name, 'confidence': confidence, 'language': max_prober.language} # Log all prober confidences if none met MINIMUM_THRESHOLD if self.logger.getEffectiveLevel() <= logging.DEBUG: if self.result['encoding'] is None: self.logger.debug('no probers hit minimum threshold') for group_prober in self._charset_probers: if not group_prober: continue if isinstance(group_prober, CharSetGroupProber): for prober in group_prober.probers: self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, prober.get_confidence()) else: self.logger.debug('%s %s confidence = %s', group_prober.charset_name, group_prober.language, group_prober.get_confidence()) return self.result _vendor/chardet/version.py 0000644 00000000362 15114542003 0011645 0 ustar 00 """ This module exists only to simplify retrieving the version number of chardet from within setup.py and from chardet subpackages. :author: Dan Blanchard (dan.blanchard@gmail.com) """ __version__ = "4.0.0" VERSION = __version__.split('.') _vendor/colorama/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000627 15114542003 0017334 0 ustar 00 a [��f� � @ sD d dl mZmZmZmZ d dlmZmZmZm Z d dl m Z dZ dS )� )�init�deinit�reinit� colorama_text)�Fore�Back�Style�Cursor)� AnsiToWin32z0.4.4N) Z initialiser r r r �ansir r r r Z ansitowin32r � __version__� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/colorama/__init__.py�<module> s _vendor/colorama/__pycache__/__init__.cpython-39.pyc 0000644 00000000627 15114542003 0016375 0 ustar 00 a [��f� � @ sD d dl mZmZmZmZ d dlmZmZmZm Z d dl m Z dZ dS )� )�init�deinit�reinit� colorama_text)�Fore�Back�Style�Cursor)� AnsiToWin32z0.4.4N) Z initialiser r r r �ansir r r r Z ansitowin32r � __version__� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/colorama/__init__.py�<module> s _vendor/colorama/__pycache__/ansi.cpython-39.opt-1.pyc 0000644 00000006170 15114542003 0016526 0 ustar 00 a [��f� � @ s� d Z dZdZdZdd� Zdd� Zdd d �Zdd d �ZG d d� de�Z G dd� de�Z G dd� de �Z G dd� de �Z G dd� de �Z e � Ze � Ze � Ze � ZdS )z� This module generates ANSI character codes to printing colors to terminals. See: http://en.wikipedia.org/wiki/ANSI_escape_code z[z]�c C s t t| � d S )N�m��CSI�str)�code� r �=/usr/lib/python3.9/site-packages/pip/_vendor/colorama/ansi.py� code_to_chars s r c C s t d | t S )Nz2;)�OSC�BEL)�titler r r � set_title s r � c C s t t| � d S )N�Jr ��moder r r � clear_screen s r c C s t t| � d S )N�Kr r r r r � clear_line s r c @ s e Zd Zdd� ZdS )� AnsiCodesc C s6 t | �D ](}|�d�st| |�}t| |t|�� qd S )N�_)�dir� startswith�getattr�setattrr )�self�name�valuer r r �__init__ s zAnsiCodes.__init__N)�__name__� __module__� __qualname__r r r r r r s r c @ s> e Zd Zd dd�Zddd�Zddd�Zddd �Zdd d �Zd S )� AnsiCursor� c C s t t|� d S )N�Ar �r �nr r r �UP% s z AnsiCursor.UPc C s t t|� d S )N�Br r% r r r �DOWN' s zAnsiCursor.DOWNc C s t t|� d S )N�Cr r% r r r �FORWARD) s zAnsiCursor.FORWARDc C s t t|� d S )N�Dr r% r r r �BACK+ s zAnsiCursor.BACKc C s t t|� d t|� d S )N�;�Hr )r �x�yr r r �POS- s zAnsiCursor.POSN)r# )r# )r# )r# )r# r# )r r r! r' r) r+ r- r2 r r r r r" $ s r" c @ sP e Zd ZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdS )�AnsiFore� � � �! �" �# �$ �% �' �Z �[ �\ �] �^ �_ �` �a N�r r r! ZBLACKZREDZGREENZYELLOWZBLUEZMAGENTAZCYANZWHITEZRESETZ LIGHTBLACK_EXZ LIGHTRED_EXZ LIGHTGREEN_EXZLIGHTYELLOW_EXZ LIGHTBLUE_EXZLIGHTMAGENTA_EXZ LIGHTCYAN_EXZ LIGHTWHITE_EXr r r r r3 1 s" r3 c @ sP e Zd ZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdS )�AnsiBack�( �) �* �+ �, �- �. �/ �1 �d �e �f �g �h �i �j �k NrE r r r r rF G s" rF c @ s e Zd ZdZdZdZdZdS )� AnsiStyler# r � � N)r r r! ZBRIGHTZDIMZNORMALZ RESET_ALLr r r r rX ] s rX N)r )r )�__doc__r r r r r r r �objectr r" r3 rF rX ZForeZBackZStyleZCursorr r r r �<module> s _vendor/colorama/__pycache__/ansi.cpython-39.pyc 0000644 00000006170 15114542003 0015567 0 ustar 00 a [��f� � @ s� d Z dZdZdZdd� Zdd� Zdd d �Zdd d �ZG d d� de�Z G dd� de�Z G dd� de �Z G dd� de �Z G dd� de �Z e � Ze � Ze � Ze � ZdS )z� This module generates ANSI character codes to printing colors to terminals. See: http://en.wikipedia.org/wiki/ANSI_escape_code z[z]�c C s t t| � d S )N�m��CSI�str)�code� r �=/usr/lib/python3.9/site-packages/pip/_vendor/colorama/ansi.py� code_to_chars s r c C s t d | t S )Nz2;)�OSC�BEL)�titler r r � set_title s r � c C s t t| � d S )N�Jr ��moder r r � clear_screen s r c C s t t| � d S )N�Kr r r r r � clear_line s r c @ s e Zd Zdd� ZdS )� AnsiCodesc C s6 t | �D ](}|�d�st| |�}t| |t|�� qd S )N�_)�dir� startswith�getattr�setattrr )�self�name�valuer r r �__init__ s zAnsiCodes.__init__N)�__name__� __module__� __qualname__r r r r r r s r c @ s> e Zd Zd dd�Zddd�Zddd�Zddd �Zdd d �Zd S )� AnsiCursor� c C s t t|� d S )N�Ar �r �nr r r �UP% s z AnsiCursor.UPc C s t t|� d S )N�Br r% r r r �DOWN' s zAnsiCursor.DOWNc C s t t|� d S )N�Cr r% r r r �FORWARD) s zAnsiCursor.FORWARDc C s t t|� d S )N�Dr r% r r r �BACK+ s zAnsiCursor.BACKc C s t t|� d t|� d S )N�;�Hr )r �x�yr r r �POS- s zAnsiCursor.POSN)r# )r# )r# )r# )r# r# )r r r! r' r) r+ r- r2 r r r r r" $ s r" c @ sP e Zd ZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdS )�AnsiFore� � � �! �" �# �$ �% �' �Z �[ �\ �] �^ �_ �` �a N�r r r! ZBLACKZREDZGREENZYELLOWZBLUEZMAGENTAZCYANZWHITEZRESETZ LIGHTBLACK_EXZ LIGHTRED_EXZ LIGHTGREEN_EXZLIGHTYELLOW_EXZ LIGHTBLUE_EXZLIGHTMAGENTA_EXZ LIGHTCYAN_EXZ LIGHTWHITE_EXr r r r r3 1 s" r3 c @ sP e Zd ZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZdS )�AnsiBack�( �) �* �+ �, �- �. �/ �1 �d �e �f �g �h �i �j �k NrE r r r r rF G s" rF c @ s e Zd ZdZdZdZdZdS )� AnsiStyler# r � � N)r r r! 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r5 r@ rA r% )r" rB r) r2 rC rD rE r r r � erase_line� s zWinTerm.erase_linec C s t �|� d S r0 )r ZSetConsoleTitle)r" �titler r r � set_title� s zWinTerm.set_title)N)NFF)NFF)NF)NF)NF)F)r F)r F)r r r r# r% r r* r, r. r/ r( r7 r9 r< rF rG rI r r r r r s r N)� r �objectr r r r r r r �<module> s _vendor/colorama/__init__.py 0000644 00000000357 15114542003 0012106 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. from .initialise import init, deinit, reinit, colorama_text from .ansi import Fore, Back, Style, Cursor from .ansitowin32 import AnsiToWin32 __version__ = '0.4.4' _vendor/colorama/ansi.py 0000644 00000004732 15114542003 0011302 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. ''' This module generates ANSI character codes to printing colors to terminals. See: http://en.wikipedia.org/wiki/ANSI_escape_code ''' CSI = '\033[' OSC = '\033]' BEL = '\a' def code_to_chars(code): return CSI + str(code) + 'm' def set_title(title): return OSC + '2;' + title + BEL def clear_screen(mode=2): return CSI + str(mode) + 'J' def clear_line(mode=2): return CSI + str(mode) + 'K' class AnsiCodes(object): def __init__(self): # the subclasses declare class attributes which are numbers. # Upon instantiation we define instance attributes, which are the same # as the class attributes but wrapped with the ANSI escape sequence for name in dir(self): if not name.startswith('_'): value = getattr(self, name) setattr(self, name, code_to_chars(value)) class AnsiCursor(object): def UP(self, n=1): return CSI + str(n) + 'A' def DOWN(self, n=1): return CSI + str(n) + 'B' def FORWARD(self, n=1): return CSI + str(n) + 'C' def BACK(self, n=1): return CSI + str(n) + 'D' def POS(self, x=1, y=1): return CSI + str(y) + ';' + str(x) + 'H' class AnsiFore(AnsiCodes): BLACK = 30 RED = 31 GREEN = 32 YELLOW = 33 BLUE = 34 MAGENTA = 35 CYAN = 36 WHITE = 37 RESET = 39 # These are fairly well supported, but not part of the standard. LIGHTBLACK_EX = 90 LIGHTRED_EX = 91 LIGHTGREEN_EX = 92 LIGHTYELLOW_EX = 93 LIGHTBLUE_EX = 94 LIGHTMAGENTA_EX = 95 LIGHTCYAN_EX = 96 LIGHTWHITE_EX = 97 class AnsiBack(AnsiCodes): BLACK = 40 RED = 41 GREEN = 42 YELLOW = 43 BLUE = 44 MAGENTA = 45 CYAN = 46 WHITE = 47 RESET = 49 # These are fairly well supported, but not part of the standard. LIGHTBLACK_EX = 100 LIGHTRED_EX = 101 LIGHTGREEN_EX = 102 LIGHTYELLOW_EX = 103 LIGHTBLUE_EX = 104 LIGHTMAGENTA_EX = 105 LIGHTCYAN_EX = 106 LIGHTWHITE_EX = 107 class AnsiStyle(AnsiCodes): BRIGHT = 1 DIM = 2 NORMAL = 22 RESET_ALL = 0 Fore = AnsiFore() Back = AnsiBack() Style = AnsiStyle() Cursor = AnsiCursor() _vendor/colorama/ansitowin32.py 0000644 00000024425 15114542003 0012531 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. import re import sys import os from .ansi import AnsiFore, AnsiBack, AnsiStyle, Style, BEL from .winterm import WinTerm, WinColor, WinStyle from .win32 import windll, winapi_test winterm = None if windll is not None: winterm = WinTerm() class StreamWrapper(object): ''' Wraps a stream (such as stdout), acting as a transparent proxy for all attribute access apart from method 'write()', which is delegated to our Converter instance. ''' def __init__(self, wrapped, converter): # double-underscore everything to prevent clashes with names of # attributes on the wrapped stream object. self.__wrapped = wrapped self.__convertor = converter def __getattr__(self, name): return getattr(self.__wrapped, name) def __enter__(self, *args, **kwargs): # special method lookup bypasses __getattr__/__getattribute__, see # https://stackoverflow.com/questions/12632894/why-doesnt-getattr-work-with-exit # thus, contextlib magic methods are not proxied via __getattr__ return self.__wrapped.__enter__(*args, **kwargs) def __exit__(self, *args, **kwargs): return self.__wrapped.__exit__(*args, **kwargs) def write(self, text): self.__convertor.write(text) def isatty(self): stream = self.__wrapped if 'PYCHARM_HOSTED' in os.environ: if stream is not None and (stream is sys.__stdout__ or stream is sys.__stderr__): return True try: stream_isatty = stream.isatty except AttributeError: return False else: return stream_isatty() @property def closed(self): stream = self.__wrapped try: return stream.closed except AttributeError: return True class AnsiToWin32(object): ''' Implements a 'write()' method which, on Windows, will strip ANSI character sequences from the text, and if outputting to a tty, will convert them into win32 function calls. ''' ANSI_CSI_RE = re.compile('\001?\033\\[((?:\\d|;)*)([a-zA-Z])\002?') # Control Sequence Introducer ANSI_OSC_RE = re.compile('\001?\033\\]([^\a]*)(\a)\002?') # Operating System Command def __init__(self, wrapped, convert=None, strip=None, autoreset=False): # The wrapped stream (normally sys.stdout or sys.stderr) self.wrapped = wrapped # should we reset colors to defaults after every .write() self.autoreset = autoreset # create the proxy wrapping our output stream self.stream = StreamWrapper(wrapped, self) on_windows = os.name == 'nt' # We test if the WinAPI works, because even if we are on Windows # we may be using a terminal that doesn't support the WinAPI # (e.g. Cygwin Terminal). In this case it's up to the terminal # to support the ANSI codes. conversion_supported = on_windows and winapi_test() # should we strip ANSI sequences from our output? if strip is None: strip = conversion_supported or (not self.stream.closed and not self.stream.isatty()) self.strip = strip # should we should convert ANSI sequences into win32 calls? if convert is None: convert = conversion_supported and not self.stream.closed and self.stream.isatty() self.convert = convert # dict of ansi codes to win32 functions and parameters self.win32_calls = self.get_win32_calls() # are we wrapping stderr? self.on_stderr = self.wrapped is sys.stderr def should_wrap(self): ''' True if this class is actually needed. If false, then the output stream will not be affected, nor will win32 calls be issued, so wrapping stdout is not actually required. This will generally be False on non-Windows platforms, unless optional functionality like autoreset has been requested using kwargs to init() ''' return self.convert or self.strip or self.autoreset def get_win32_calls(self): if self.convert and winterm: return { AnsiStyle.RESET_ALL: (winterm.reset_all, ), AnsiStyle.BRIGHT: (winterm.style, WinStyle.BRIGHT), AnsiStyle.DIM: (winterm.style, WinStyle.NORMAL), AnsiStyle.NORMAL: (winterm.style, WinStyle.NORMAL), AnsiFore.BLACK: (winterm.fore, WinColor.BLACK), AnsiFore.RED: (winterm.fore, WinColor.RED), AnsiFore.GREEN: (winterm.fore, WinColor.GREEN), AnsiFore.YELLOW: (winterm.fore, WinColor.YELLOW), AnsiFore.BLUE: (winterm.fore, WinColor.BLUE), AnsiFore.MAGENTA: (winterm.fore, WinColor.MAGENTA), AnsiFore.CYAN: (winterm.fore, WinColor.CYAN), AnsiFore.WHITE: (winterm.fore, WinColor.GREY), AnsiFore.RESET: (winterm.fore, ), AnsiFore.LIGHTBLACK_EX: (winterm.fore, WinColor.BLACK, True), AnsiFore.LIGHTRED_EX: (winterm.fore, WinColor.RED, True), AnsiFore.LIGHTGREEN_EX: (winterm.fore, WinColor.GREEN, True), AnsiFore.LIGHTYELLOW_EX: (winterm.fore, WinColor.YELLOW, True), AnsiFore.LIGHTBLUE_EX: (winterm.fore, WinColor.BLUE, True), AnsiFore.LIGHTMAGENTA_EX: (winterm.fore, WinColor.MAGENTA, True), AnsiFore.LIGHTCYAN_EX: (winterm.fore, WinColor.CYAN, True), AnsiFore.LIGHTWHITE_EX: (winterm.fore, WinColor.GREY, True), AnsiBack.BLACK: (winterm.back, WinColor.BLACK), AnsiBack.RED: (winterm.back, WinColor.RED), AnsiBack.GREEN: (winterm.back, WinColor.GREEN), AnsiBack.YELLOW: (winterm.back, WinColor.YELLOW), AnsiBack.BLUE: (winterm.back, WinColor.BLUE), AnsiBack.MAGENTA: (winterm.back, WinColor.MAGENTA), AnsiBack.CYAN: (winterm.back, WinColor.CYAN), AnsiBack.WHITE: (winterm.back, WinColor.GREY), AnsiBack.RESET: (winterm.back, ), AnsiBack.LIGHTBLACK_EX: (winterm.back, WinColor.BLACK, True), AnsiBack.LIGHTRED_EX: (winterm.back, WinColor.RED, True), AnsiBack.LIGHTGREEN_EX: (winterm.back, WinColor.GREEN, True), AnsiBack.LIGHTYELLOW_EX: (winterm.back, WinColor.YELLOW, True), AnsiBack.LIGHTBLUE_EX: (winterm.back, WinColor.BLUE, True), AnsiBack.LIGHTMAGENTA_EX: (winterm.back, WinColor.MAGENTA, True), AnsiBack.LIGHTCYAN_EX: (winterm.back, WinColor.CYAN, True), AnsiBack.LIGHTWHITE_EX: (winterm.back, WinColor.GREY, True), } return dict() def write(self, text): if self.strip or self.convert: self.write_and_convert(text) else: self.wrapped.write(text) self.wrapped.flush() if self.autoreset: self.reset_all() def reset_all(self): if self.convert: self.call_win32('m', (0,)) elif not self.strip and not self.stream.closed: self.wrapped.write(Style.RESET_ALL) def write_and_convert(self, text): ''' Write the given text to our wrapped stream, stripping any ANSI sequences from the text, and optionally converting them into win32 calls. ''' cursor = 0 text = self.convert_osc(text) for match in self.ANSI_CSI_RE.finditer(text): start, end = match.span() self.write_plain_text(text, cursor, start) self.convert_ansi(*match.groups()) cursor = end self.write_plain_text(text, cursor, len(text)) def write_plain_text(self, text, start, end): if start < end: self.wrapped.write(text[start:end]) self.wrapped.flush() def convert_ansi(self, paramstring, command): if self.convert: params = self.extract_params(command, paramstring) self.call_win32(command, params) def extract_params(self, command, paramstring): if command in 'Hf': params = tuple(int(p) if len(p) != 0 else 1 for p in paramstring.split(';')) while len(params) < 2: # defaults: params = params + (1,) else: params = tuple(int(p) for p in paramstring.split(';') if len(p) != 0) if len(params) == 0: # defaults: if command in 'JKm': params = (0,) elif command in 'ABCD': params = (1,) return params def call_win32(self, command, params): if command == 'm': for param in params: if param in self.win32_calls: func_args = self.win32_calls[param] func = func_args[0] args = func_args[1:] kwargs = dict(on_stderr=self.on_stderr) func(*args, **kwargs) elif command in 'J': winterm.erase_screen(params[0], on_stderr=self.on_stderr) elif command in 'K': winterm.erase_line(params[0], on_stderr=self.on_stderr) elif command in 'Hf': # cursor position - absolute winterm.set_cursor_position(params, on_stderr=self.on_stderr) elif command in 'ABCD': # cursor position - relative n = params[0] # A - up, B - down, C - forward, D - back x, y = {'A': (0, -n), 'B': (0, n), 'C': (n, 0), 'D': (-n, 0)}[command] winterm.cursor_adjust(x, y, on_stderr=self.on_stderr) def convert_osc(self, text): for match in self.ANSI_OSC_RE.finditer(text): start, end = match.span() text = text[:start] + text[end:] paramstring, command = match.groups() if command == BEL: if paramstring.count(";") == 1: params = paramstring.split(";") # 0 - change title and icon (we will only change title) # 1 - change icon (we don't support this) # 2 - change title if params[0] in '02': winterm.set_title(params[1]) return text _vendor/colorama/initialise.py 0000644 00000003573 15114542003 0012504 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. import atexit import contextlib import sys from .ansitowin32 import AnsiToWin32 orig_stdout = None orig_stderr = None wrapped_stdout = None wrapped_stderr = None atexit_done = False def reset_all(): if AnsiToWin32 is not None: # Issue #74: objects might become None at exit AnsiToWin32(orig_stdout).reset_all() def init(autoreset=False, convert=None, strip=None, wrap=True): if not wrap and any([autoreset, convert, strip]): raise ValueError('wrap=False conflicts with any other arg=True') global wrapped_stdout, wrapped_stderr global orig_stdout, orig_stderr orig_stdout = sys.stdout orig_stderr = sys.stderr if sys.stdout is None: wrapped_stdout = None else: sys.stdout = wrapped_stdout = \ wrap_stream(orig_stdout, convert, strip, autoreset, wrap) if sys.stderr is None: wrapped_stderr = None else: sys.stderr = wrapped_stderr = \ wrap_stream(orig_stderr, convert, strip, autoreset, wrap) global atexit_done if not atexit_done: atexit.register(reset_all) atexit_done = True def deinit(): if orig_stdout is not None: sys.stdout = orig_stdout if orig_stderr is not None: sys.stderr = orig_stderr @contextlib.contextmanager def colorama_text(*args, **kwargs): init(*args, **kwargs) try: yield finally: deinit() def reinit(): if wrapped_stdout is not None: sys.stdout = wrapped_stdout if wrapped_stderr is not None: sys.stderr = wrapped_stderr def wrap_stream(stream, convert, strip, autoreset, wrap): if wrap: wrapper = AnsiToWin32(stream, convert=convert, strip=strip, autoreset=autoreset) if wrapper.should_wrap(): stream = wrapper.stream return stream _vendor/colorama/win32.py 0000644 00000012434 15114542003 0011310 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. # from winbase.h STDOUT = -11 STDERR = -12 try: import ctypes from ctypes import LibraryLoader windll = LibraryLoader(ctypes.WinDLL) from ctypes import wintypes except (AttributeError, ImportError): windll = None SetConsoleTextAttribute = lambda *_: None winapi_test = lambda *_: None else: from ctypes import byref, Structure, c_char, POINTER COORD = wintypes._COORD class CONSOLE_SCREEN_BUFFER_INFO(Structure): """struct in wincon.h.""" _fields_ = [ ("dwSize", COORD), ("dwCursorPosition", COORD), ("wAttributes", wintypes.WORD), ("srWindow", wintypes.SMALL_RECT), ("dwMaximumWindowSize", COORD), ] def __str__(self): return '(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)' % ( self.dwSize.Y, self.dwSize.X , self.dwCursorPosition.Y, self.dwCursorPosition.X , self.wAttributes , self.srWindow.Top, self.srWindow.Left, self.srWindow.Bottom, self.srWindow.Right , self.dwMaximumWindowSize.Y, self.dwMaximumWindowSize.X ) _GetStdHandle = windll.kernel32.GetStdHandle _GetStdHandle.argtypes = [ wintypes.DWORD, ] _GetStdHandle.restype = wintypes.HANDLE _GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo _GetConsoleScreenBufferInfo.argtypes = [ wintypes.HANDLE, POINTER(CONSOLE_SCREEN_BUFFER_INFO), ] _GetConsoleScreenBufferInfo.restype = wintypes.BOOL _SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute _SetConsoleTextAttribute.argtypes = [ wintypes.HANDLE, wintypes.WORD, ] _SetConsoleTextAttribute.restype = wintypes.BOOL _SetConsoleCursorPosition = windll.kernel32.SetConsoleCursorPosition _SetConsoleCursorPosition.argtypes = [ wintypes.HANDLE, COORD, ] _SetConsoleCursorPosition.restype = wintypes.BOOL _FillConsoleOutputCharacterA = windll.kernel32.FillConsoleOutputCharacterA _FillConsoleOutputCharacterA.argtypes = [ wintypes.HANDLE, c_char, wintypes.DWORD, COORD, POINTER(wintypes.DWORD), ] _FillConsoleOutputCharacterA.restype = wintypes.BOOL _FillConsoleOutputAttribute = windll.kernel32.FillConsoleOutputAttribute _FillConsoleOutputAttribute.argtypes = [ wintypes.HANDLE, wintypes.WORD, wintypes.DWORD, COORD, POINTER(wintypes.DWORD), ] _FillConsoleOutputAttribute.restype = wintypes.BOOL _SetConsoleTitleW = windll.kernel32.SetConsoleTitleW _SetConsoleTitleW.argtypes = [ wintypes.LPCWSTR ] _SetConsoleTitleW.restype = wintypes.BOOL def _winapi_test(handle): csbi = CONSOLE_SCREEN_BUFFER_INFO() success = _GetConsoleScreenBufferInfo( handle, byref(csbi)) return bool(success) def winapi_test(): return any(_winapi_test(h) for h in (_GetStdHandle(STDOUT), _GetStdHandle(STDERR))) def GetConsoleScreenBufferInfo(stream_id=STDOUT): handle = _GetStdHandle(stream_id) csbi = CONSOLE_SCREEN_BUFFER_INFO() success = _GetConsoleScreenBufferInfo( handle, byref(csbi)) return csbi def SetConsoleTextAttribute(stream_id, attrs): handle = _GetStdHandle(stream_id) return _SetConsoleTextAttribute(handle, attrs) def SetConsoleCursorPosition(stream_id, position, adjust=True): position = COORD(*position) # If the position is out of range, do nothing. if position.Y <= 0 or position.X <= 0: return # Adjust for Windows' SetConsoleCursorPosition: # 1. being 0-based, while ANSI is 1-based. # 2. expecting (x,y), while ANSI uses (y,x). adjusted_position = COORD(position.Y - 1, position.X - 1) if adjust: # Adjust for viewport's scroll position sr = GetConsoleScreenBufferInfo(STDOUT).srWindow adjusted_position.Y += sr.Top adjusted_position.X += sr.Left # Resume normal processing handle = _GetStdHandle(stream_id) return _SetConsoleCursorPosition(handle, adjusted_position) def FillConsoleOutputCharacter(stream_id, char, length, start): handle = _GetStdHandle(stream_id) char = c_char(char.encode()) length = wintypes.DWORD(length) num_written = wintypes.DWORD(0) # Note that this is hard-coded for ANSI (vs wide) bytes. success = _FillConsoleOutputCharacterA( handle, char, length, start, byref(num_written)) return num_written.value def FillConsoleOutputAttribute(stream_id, attr, length, start): ''' FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten )''' handle = _GetStdHandle(stream_id) attribute = wintypes.WORD(attr) length = wintypes.DWORD(length) num_written = wintypes.DWORD(0) # Note that this is hard-coded for ANSI (vs wide) bytes. return _FillConsoleOutputAttribute( handle, attribute, length, start, byref(num_written)) def SetConsoleTitle(title): return _SetConsoleTitleW(title) _vendor/colorama/winterm.py 0000644 00000014446 15114542003 0012040 0 ustar 00 # Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. from . import win32 # from wincon.h class WinColor(object): BLACK = 0 BLUE = 1 GREEN = 2 CYAN = 3 RED = 4 MAGENTA = 5 YELLOW = 6 GREY = 7 # from wincon.h class WinStyle(object): NORMAL = 0x00 # dim text, dim background BRIGHT = 0x08 # bright text, dim background BRIGHT_BACKGROUND = 0x80 # dim text, bright background class WinTerm(object): def __init__(self): self._default = win32.GetConsoleScreenBufferInfo(win32.STDOUT).wAttributes self.set_attrs(self._default) self._default_fore = self._fore self._default_back = self._back self._default_style = self._style # In order to emulate LIGHT_EX in windows, we borrow the BRIGHT style. # So that LIGHT_EX colors and BRIGHT style do not clobber each other, # we track them separately, since LIGHT_EX is overwritten by Fore/Back # and BRIGHT is overwritten by Style codes. self._light = 0 def get_attrs(self): return self._fore + self._back * 16 + (self._style | self._light) def set_attrs(self, value): self._fore = value & 7 self._back = (value >> 4) & 7 self._style = value & (WinStyle.BRIGHT | WinStyle.BRIGHT_BACKGROUND) def reset_all(self, on_stderr=None): self.set_attrs(self._default) self.set_console(attrs=self._default) self._light = 0 def fore(self, fore=None, light=False, on_stderr=False): if fore is None: fore = self._default_fore self._fore = fore # Emulate LIGHT_EX with BRIGHT Style if light: self._light |= WinStyle.BRIGHT else: self._light &= ~WinStyle.BRIGHT self.set_console(on_stderr=on_stderr) def back(self, back=None, light=False, on_stderr=False): if back is None: back = self._default_back self._back = back # Emulate LIGHT_EX with BRIGHT_BACKGROUND Style if light: self._light |= WinStyle.BRIGHT_BACKGROUND else: self._light &= ~WinStyle.BRIGHT_BACKGROUND self.set_console(on_stderr=on_stderr) def style(self, style=None, on_stderr=False): if style is None: style = self._default_style self._style = style self.set_console(on_stderr=on_stderr) def set_console(self, attrs=None, on_stderr=False): if attrs is None: attrs = self.get_attrs() handle = win32.STDOUT if on_stderr: handle = win32.STDERR win32.SetConsoleTextAttribute(handle, attrs) def get_position(self, handle): position = win32.GetConsoleScreenBufferInfo(handle).dwCursorPosition # Because Windows coordinates are 0-based, # and win32.SetConsoleCursorPosition expects 1-based. position.X += 1 position.Y += 1 return position def set_cursor_position(self, position=None, on_stderr=False): if position is None: # I'm not currently tracking the position, so there is no default. # position = self.get_position() return handle = win32.STDOUT if on_stderr: handle = win32.STDERR win32.SetConsoleCursorPosition(handle, position) def cursor_adjust(self, x, y, on_stderr=False): handle = win32.STDOUT if on_stderr: handle = win32.STDERR position = self.get_position(handle) adjusted_position = (position.Y + y, position.X + x) win32.SetConsoleCursorPosition(handle, adjusted_position, adjust=False) def erase_screen(self, mode=0, on_stderr=False): # 0 should clear from the cursor to the end of the screen. # 1 should clear from the cursor to the beginning of the screen. # 2 should clear the entire screen, and move cursor to (1,1) handle = win32.STDOUT if on_stderr: handle = win32.STDERR csbi = win32.GetConsoleScreenBufferInfo(handle) # get the number of character cells in the current buffer cells_in_screen = csbi.dwSize.X * csbi.dwSize.Y # get number of character cells before current cursor position cells_before_cursor = csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X if mode == 0: from_coord = csbi.dwCursorPosition cells_to_erase = cells_in_screen - cells_before_cursor elif mode == 1: from_coord = win32.COORD(0, 0) cells_to_erase = cells_before_cursor elif mode == 2: from_coord = win32.COORD(0, 0) cells_to_erase = cells_in_screen else: # invalid mode return # fill the entire screen with blanks win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord) # now set the buffer's attributes accordingly win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord) if mode == 2: # put the cursor where needed win32.SetConsoleCursorPosition(handle, (1, 1)) def erase_line(self, mode=0, on_stderr=False): # 0 should clear from the cursor to the end of the line. # 1 should clear from the cursor to the beginning of the line. # 2 should clear the entire line. handle = win32.STDOUT if on_stderr: handle = win32.STDERR csbi = win32.GetConsoleScreenBufferInfo(handle) if mode == 0: from_coord = csbi.dwCursorPosition cells_to_erase = csbi.dwSize.X - csbi.dwCursorPosition.X elif mode == 1: from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) cells_to_erase = csbi.dwCursorPosition.X elif mode == 2: from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) cells_to_erase = csbi.dwSize.X else: # invalid mode return # 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Signature is the same as for regular dictionaries, but keyword arguments are not recommended because their insertion order is arbitrary. r z$expected at most 1 arguments, got %dN)rG r� �_OrderedDict__rootr� �_OrderedDict__map�_OrderedDict__update)rR r� �kwds�rootr r r rT � s zOrderedDict.__init__c C sF || vr6| j }|d }|||g |d< |d< | j|< || ||� dS )z!od.__setitem__(i, y) <==> od[i]=yr r N)r r )rR rI rJ Z dict_setitemr �lastr r r r� � s zOrderedDict.__setitem__c C s0 || |� | j �|�\}}}||d< ||d< dS )z od.__delitem__(y) <==> del od[y]r r N)r r� )rR rI Z dict_delitem� link_prev� link_nextr r r r� � s zOrderedDict.__delitem__c c s. | j }|d }||ur*|d V |d }qdS )zod.__iter__() <==> iter(od)r r� N�r �rR r Zcurrr r r r� � s zOrderedDict.__iter__c c s. | j }|d }||ur*|d V |d }qdS )z#od.__reversed__() <==> reversed(od)r r� Nr r r r r � __reversed__� s zOrderedDict.__reversed__c C sb z@| j �� D ]}|dd�= q | j}||dg|dd�< | j �� W n tyR Y n0 t�| � dS )z.od.clear() -> None. Remove all items from od.N)r � itervaluesr r� r� r� )rR Znoder r r r r� � s zOrderedDict.clearTc C s| | s t d��| j}|r8|d }|d }||d< ||d< n |d }|d }||d< ||d< |d }| j|= t�| |�}||fS )z�od.popitem() -> (k, v), return and remove a (key, value) pair. 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There is normally one for each DistributionPath. FN)�name�path� generated��self� r# �@/usr/lib/python3.9/site-packages/pip/_vendor/distlib/database.py�__init__1 s z_Cache.__init__c C s | j �� | j�� d| _dS )zC Clear the cache, setting it to its initial state. FN)r �clearr r r! r# r# r$ r& 9 s z _Cache.clearc C s2 |j | j vr.|| j |j < | j�|jg ��|� dS )z` Add a distribution to the cache. :param dist: The distribution to add. N)r r � setdefault�key�append�r" �distr# r# r$ �addA s z _Cache.addN)�__name__� __module__� __qualname__�__doc__r% r& r, r# r# r# r$ r - s r c @ s� e Zd ZdZd dd�Zdd� Zdd � Zeee�Zd d � Z d d � Z dd� Z e dd� �Z dd� Zdd� Zd dd�Zdd� Zd dd�ZdS ) r zU Represents a set of distributions installed on a path (typically sys.path). NFc C sD |du rt j}|| _d| _|| _t� | _t� | _d| _td�| _ dS )a� Create an instance from a path, optionally including legacy (distutils/ setuptools/distribute) distributions. :param path: The path to use, as a list of directories. 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N� �legacy��fileobj�schemezFound %s)�metadata�env)� .egg-info�.egg)�setr r �finder_for_path�findZ is_container�sortedr3 �endswith� DISTINFO_EXTr r r � posixpath�join� contextlib�closing� as_streamr �logger�debugr, �new_dist_classr4 �old_dist_class) r" �seenr �finder�rZrset�entryZpossible_filenamesZmetadata_filenameZ metadata_pathZpydist�streamrD r# r# r$ �_yield_distributionss sF � * � z%DistributionPath._yield_distributionsc C sp | j j }| jo| jj }|s"|rl| �� D ](}t|t�rF| j �|� q*| j�|� q*|r`d| j _|rld| j_dS )zk Scan the path for distributions and populate the cache with those that are found. TN)r5 r r4 r6 r\ � isinstancer r, )r" Zgen_distZgen_eggr+ r# r# r$ �_generate_cache� s z DistributionPath._generate_cachec C s |� dd�}d�||g�t S )ao The *name* and *version* parameters are converted into their filename-escaped form, i.e. any ``'-'`` characters are replaced with ``'_'`` other than the one in ``'dist-info'`` and the one separating the name from the version number. :parameter name: is converted to a standard distribution name by replacing any runs of non- alphanumeric characters with a single ``'-'``. :type name: string :parameter version: is converted to a standard version string. Spaces become dots, and all other non-alphanumeric characters (except dots) become dashes, with runs of multiple dashes condensed to a single dash. :type version: string :returns: directory name :rtype: string�-�_)�replacerO rM )�clsr �versionr# r# r$ �distinfo_dirname� s z!DistributionPath.distinfo_dirnamec c s^ | j s | �� D ] }|V qn>| �� | jj�� D ] }|V q0| jrZ| jj�� D ] }|V qNdS )a5 Provides an iterator that looks for distributions and returns :class:`InstalledDistribution` or :class:`EggInfoDistribution` instances for each one of them. :rtype: iterator of :class:`InstalledDistribution` and :class:`EggInfoDistribution` instances N)r7 r\ r^ r5 r �valuesr4 r6 r* r# r# r$ �get_distributions� s z"DistributionPath.get_distributionsc C s� d}|� � }| js4| �� D ]}|j|kr|} q|qnH| �� || jjv rZ| jj| d }n"| jr||| jjv r|| jj| d }|S )a= Looks for a named distribution on the path. This function only returns the first result found, as no more than one value is expected. If nothing is found, ``None`` is returned. :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` or ``None`` Nr ) �lowerr7 r\ r( r^ r5 r r4 r6 )r" r �resultr+ r# r# r$ �get_distribution� s z!DistributionPath.get_distributionc c s� d}|durHz| j �d||f �}W n" tyF td||f ��Y n0 | �� D ]p}t|d�slt�d|� qP|j}|D ]H}t |�\}}|du r�||kr�|V qPqv||krv|� |�rv|V qPqvqPdS )a Iterates over all distributions to find which distributions provide *name*. If a *version* is provided, it will be used to filter the results. This function only returns the first result found, since no more than one values are expected. If the directory is not found, returns ``None``. :parameter version: a version specifier that indicates the version required, conforming to the format in ``PEP-345`` :type name: string :type version: string N�%s (%s)z invalid name or version: %r, %r�provideszNo "provides": %s) r8 �matcher� ValueErrorr rf �hasattrrS rT rk r �match) r" r rc rl r+ �provided�p�p_name�p_verr# r# r$ �provides_distribution� s* � z&DistributionPath.provides_distributionc C s( | � |�}|du r td| ��|�|�S )z5 Return the path to a resource file. Nz no distribution named %r found)ri � LookupError�get_resource_path)r" r � relative_pathr+ r# r# r$ � get_file_path! s z DistributionPath.get_file_pathc c sX | � � D ]J}|j}||v r|| }|dur>||v rR|| V q|�� D ] }|V qFqdS )z� Return all of the exported entries in a particular category. :param category: The category to search for entries. :param name: If specified, only entries with that name are returned. N)rf �exportsre )r" �categoryr r+ rY �d�vr# r# r$ �get_exported_entries* s z%DistributionPath.get_exported_entries)NF)N)N)r- r. r/ r0 r% r; r= �propertyZ cache_enabledr> r\ r^ � classmethodrd rf ri rt rx r} r# r# r# r$ r K s , ) r c @ s� e Zd ZdZdZdZdd� Zedd� �ZeZ edd� �Z ed d � �Z d d � Z ed d� �Z edd� �Zedd� �Zedd� �Zedd� �Zdd� Zdd� Zdd � Zd d � Zd S ) r z� A base class for distributions, whether installed or from indexes. Either way, it must have some metadata, so that's all that's needed for construction. Fc C sL || _ |j| _| j�� | _|j| _d| _d| _d| _d| _t � | _ i | _ dS )z� Initialise an instance. :param metadata: The instance of :class:`Metadata` describing this distribution. N) rD r rg r( rc Zlocator�digest�extras�contextrH Z download_urlsZdigests)r" rD r# r# r$ r% O s zDistribution.__init__c C s | j jS )zH The source archive download URL for this distribution. )rD � source_urlr! r# r# r$ r� ` s zDistribution.source_urlc C s d| j | jf S )zX A utility property which displays the name and version in parentheses. rj �r rc r! r# r# r$ �name_and_versioni s z Distribution.name_and_versionc C s. | j j}d| j| jf }||vr*|�|� |S )z� A set of distribution names and versions provided by this distribution. :return: A set of "name (version)" strings. rj )rD rk r rc r) )r" Zplist�sr# r# r$ rk p s zDistribution.providesc C s8 | j }t�d|�� � t||�}t|j|| j| jd��S )Nz%Getting requirements from metadata %r)r� rE ) rD rS rT Ztodict�getattrrH Zget_requirementsr� r� )r" Zreq_attr�mdZreqtsr# r# r$ �_get_requirements| s �z Distribution._get_requirementsc C s | � d�S )N� run_requires�r� r! r# r# r$ r� � s zDistribution.run_requiresc C s | � d�S )N� meta_requiresr� r! r# r# r$ r� � s zDistribution.meta_requiresc C s | � d�S )N�build_requiresr� r! r# r# r$ r� � s zDistribution.build_requiresc C s | � d�S )N� test_requiresr� r! r# r# r$ r� � s zDistribution.test_requiresc C s | � d�S )N� dev_requiresr� r! r# r# r$ r� � s zDistribution.dev_requiresc C s� t |�}t| jj�}z|�|j�}W n4 tyX t�d|� |� � d }|�|�}Y n0 |j }d}| j D ]B}t |�\}} ||kr�qjz|� | �}W q�W qj ty� Y qj0 qj|S )z� Say if this instance matches (fulfills) a requirement. :param req: The requirement to match. :rtype req: str :return: True if it matches, else False. �+could not read version %r - using name onlyr F)r r rD rC rl � requirementr rS �warning�splitr( rk r ro ) r" �reqrY rC rl r rh rq rr rs r# r# r$ �matches_requirement� s, � z Distribution.matches_requirementc C s( | j rd| j }nd}d| j| j|f S )zC Return a textual representation of this instance, z [%s]r? z<Distribution %s (%s)%s>)r� r rc )r" �suffixr# r# r$ �__repr__� s zDistribution.__repr__c C s> t |�t | �urd}n$| j|jko8| j|jko8| j|jk}|S )a< See if this distribution is the same as another. :param other: The distribution to compare with. To be equal to one another. distributions must have the same type, name, version and source_url. :return: True if it is the same, else False. F)�typer rc r� )r" �otherrh r# r# r$ �__eq__� s � �zDistribution.__eq__c C s t | j�t | j� t | j� S )zH Compute hash in a way which matches the equality test. )�hashr rc r� r! r# r# r$ �__hash__� s zDistribution.__hash__N)r- r. r/ r0 Zbuild_time_dependency� requestedr% r~ r� Z download_urlr� rk r� r� r� r� r� r� r� r� r� r� r# r# r# r$ r = s4 " r c s0 e Zd ZdZdZd� fdd� Zddd�Z� ZS ) r z] This is the base class for installed distributions (whether PEP 376 or legacy). Nc s t t| ��|� || _|| _dS )a Initialise an instance. :param metadata: An instance of :class:`Metadata` which describes the distribution. This will normally have been initialised from a metadata file in the ``path``. :param path: The path of the ``.dist-info`` or ``.egg-info`` directory for the distribution. :param env: This is normally the :class:`DistributionPath` instance where this distribution was found. N)�superr r% r � dist_path)r" rD r rE �� __class__r# r$ r% � s z"BaseInstalledDistribution.__init__c C sd |du r| j }|du r"tj}d}ntt|�}d| j }||��� }t�|��d��d�}d||f S )a� Get the hash of some data, using a particular hash algorithm, if specified. :param data: The data to be hashed. :type data: bytes :param hasher: The name of a hash implementation, supported by hashlib, or ``None``. Examples of valid values are ``'sha1'``, ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and ``'sha512'``. If no hasher is specified, the ``hasher`` attribute of the :class:`InstalledDistribution` instance is used. If the hasher is determined to be ``None``, MD5 is used as the hashing algorithm. :returns: The hash of the data. If a hasher was explicitly specified, the returned hash will be prefixed with the specified hasher followed by '='. :rtype: str Nr? z%s=� =�ascii�%s%s) �hasher�hashlib�md5r� r� �base64Zurlsafe_b64encode�rstrip�decode)r" �datar� �prefixr� r# r# r$ �get_hash� s z"BaseInstalledDistribution.get_hash)N)N)r- r. r/ r0 r� r% r� � __classcell__r# r# r� r$ r � s r c s� e Zd ZdZdZd'� fdd� Zdd� Zdd � Zd d � Ze d d � �Z dd� Z dd� Z dd� Z dd� Zd(dd�Zdd� Ze dd � �Zd)d d �Zd d � Zd!d"� Zd#d$� Zd%d&� ZejZ� ZS )*r a Created with the *path* of the ``.dist-info`` directory provided to the constructor. It reads the metadata contained in ``pydist.json`` when it is instantiated., or uses a passed in Metadata instance (useful for when dry-run mode is being used). Zsha256Nc s~ g | _ t�|� | _}|d u r*td| ��|rP|jrP||jjv rP|jj| j}n�|d u r�|� t �}|d u rt|� t �}|d u r�|� t �}|d u r�tdt |f ��t �|�� �� }t|dd�}W d � n1 s�0 Y tt| ��|||� |�r|j�r|j�| � |� d�}|d u| _tj�|d�}tj�|��rzt|d�� }|�� �d�} W d � n1 �sf0 Y | � � | _ d S ) Nzfinder unavailable for %szno %s found in %sr@ rA r � top_level.txt�rb�utf-8) �modulesr rI rX rm r7 r5 r rD rJ r r r rP rQ rR r r� r r% r, r� �osrO �exists�open�readr� � splitlines) r" r rD rE rX rY r[ rq �fr� r� r# r$ r% s8 �* .z InstalledDistribution.__init__c C s d| j | j| jf S )Nz#<InstalledDistribution %r %s at %r>�r rc r r! r# r# r$ r� = s �z InstalledDistribution.__repr__c C s d| j | jf S �Nz%s %sr� r! r# r# r$ �__str__A s z InstalledDistribution.__str__c C s� g }| � d�}t�|�� ��z}t|d��P}|D ]:}dd� tt|�d�D �}|| \}}} |�||| f� q.W d � n1 s~0 Y W d � n1 s�0 Y |S )a" Get the list of installed files for the distribution :return: A list of tuples of path, hash and size. Note that hash and size might be ``None`` for some entries. The path is exactly as stored in the file (which is as in PEP 376). r �r[ c S s g | ]}d �qS r9 r# )�.0�ir# r# r$ � <listcomp>S � z6InstalledDistribution._get_records.<locals>.<listcomp>� N)�get_distinfo_resourcerP rQ rR r �range�lenr) ) r" �resultsrY r[ Z record_reader�row�missingr �checksum�sizer# r# r$ � _get_recordsD s Nz"InstalledDistribution._get_recordsc C s i }| � t�}|r| �� }|S )a Return the information exported by this distribution. :return: A dictionary of exports, mapping an export category to a dict of :class:`ExportEntry` instances describing the individual export entries, and keyed by name. )r� �EXPORTS_FILENAMEr )r" rh rY r# r# r$ ry [ s z InstalledDistribution.exportsc C sL i }| � t�}|rHt�|�� ��}t|�}W d � n1 s>0 Y |S )z� Read exports data from a file in .ini format. :return: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. N)r� r� rP rQ rR r )r" rh rY r[ r# r# r$ r i s &z"InstalledDistribution.read_exportsc C sB | � t�}t|d��}t||� W d � n1 s40 Y dS )a Write a dictionary of exports to a file in .ini format. :param exports: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. �wN)�get_distinfo_filer� r� r )r" ry Zrfr� r# r# r$ r x s z#InstalledDistribution.write_exportsc C s� | � d�}t�|�� ��t}t|d��J}|D ]4\}}||kr*| W d � W d � S q*W d � n1 st0 Y W d � n1 s�0 Y td| ��dS )aW NOTE: This API may change in the future. Return the absolute path to a resource file with the given relative path. :param relative_path: The path, relative to .dist-info, of the resource of interest. :return: The absolute path where the resource is to be found. r r� Nz3no resource file with relative path %r is installed)r� rP rQ rR r �KeyError)r" rw rY r[ Zresources_reader�relativeZ destinationr# r# r$ rv � s b�z'InstalledDistribution.get_resource_pathc c s | � � D ] }|V qdS )z� Iterates over the ``RECORD`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: iterator of (path, hash, size) N)r� )r" rh r# r# r$ �list_installed_files� s z*InstalledDistribution.list_installed_filesFc C sR t j�|d�}t j�| j�}|�|�}t j�|d�}| �d�}t�d|� |rRdS t|���}|D ]�}t j� |�sz|� d�r�d } } nHdt j� |� } t |d�� } | � | �� �} W d � n1 s�0 Y |�|�s�|r�|�|�r�t j�||�}|�|| | f� q`|�|��r t j�||�}|�|ddf� W d � n1 �sD0 Y |S )z� Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any existing ``RECORD`` file is silently overwritten. prefix is used to determine when to write absolute paths. r? r � creating %sN�z.pycz.pyoz%dr� )r� r rO �dirname� startswithr� rS �infor �isdirrL �getsizer� r� r� �relpathZwriterow) r" �pathsr� �dry_run�baseZbase_under_prefix� record_path�writerr � hash_valuer� �fpr# r# r$ �write_installed_files� s0 ,� 0z+InstalledDistribution.write_installed_filesc C s0 g }t j�| j�}| �d�}| �� D �]\}}}t j�|�sJt j�||�}||krTq$t j�|�st|�|dddf� q$t j� |�r$t t j� |��}|r�||kr�|�|d||f� q$|r$d|v r�|� dd�d }nd }t |d ��<} | �| �� |�} | |k�r |�|d || f� W d � q$1 �s 0 Y q$|S ) � Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. r r� TFr� �=r r Nr� r� )r� r r� r� r� �isabsrO r� r) �isfile�strr� r� r� r� r� ) r" � mismatchesr� r� r r� r� Z actual_sizer� r� Z actual_hashr# r# r$ �check_installed_files� s. 4z+InstalledDistribution.check_installed_filesc C s� i }t j�| jd�}t j�|�r�tj|ddd�� }|�� �� }W d � n1 sR0 Y |D ]8}|�dd�\}}|dkr�|� |g �� |� q`|||< q`|S ) a� A dictionary of shared locations whose keys are in the set 'prefix', 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. The corresponding value is the absolute path of that category for this distribution, and takes into account any paths selected by the user at installation time (e.g. via command-line arguments). In the case of the 'namespace' key, this would be a list of absolute paths for the roots of namespace packages in this distribution. The first time this property is accessed, the relevant information is read from the SHARED file in the .dist-info directory. r rY r� ��encodingNr� r � namespace) r� r rO r� �codecsr� r� r� r� r' r) )r" rh � shared_pathr� �lines�liner( r< r# r# r$ �shared_locations� s * z&InstalledDistribution.shared_locationsc C s� t j�| jd�}t�d|� |r$dS g }dD ].}|| }t j�|| �r,|�d||f � q,|�dd�D ]}|�d| � qhtj |d d d �� }|� d �|�� W d � n1 s�0 Y |S ) aa Write shared location information to the SHARED file in .dist-info. :param paths: A dictionary as described in the documentation for :meth:`shared_locations`. :param dry_run: If True, the action is logged but no file is actually written. :return: The path of the file written to. r r� N)r� �libZheadersZscriptsr� z%s=%sr� r# z namespace=%sr� r� r� � ) r� r rO rS r� r� r) �getr� r� �write) r" r� r� r� r� r( r �nsr� r# r# r$ �write_shared_locations s .z,InstalledDistribution.write_shared_locationsc C sF |t vrtd|| jf ��t�| j�}|d u r<td| j ��|�|�S )N�+invalid path for a dist-info file: %r at %rz Unable to get a finder for %s)� DIST_FILESr r r rI rJ )r" r rX r# r# r$ r� s � z+InstalledDistribution.get_distinfo_resourcec C s~ |� tj�dkrT|�tj�dd� \}}|| j�tj�d krTtd|| j| jf ��|tvrntd|| jf ��tj� | j|�S )a� Returns a path located under the ``.dist-info`` directory. Returns a string representing the path. :parameter path: a ``'/'``-separated path relative to the ``.dist-info`` directory or an absolute path; If *path* is an absolute path and doesn't start with the ``.dist-info`` directory path, a :class:`DistlibException` is raised :type path: str :rtype: str r ���N���z;dist-info file %r does not belong to the %r %s distributionr� ) rJ r� �sepr� r r r rc r� rO )r" r rd r# r# r$ r� $ s ���z'InstalledDistribution.get_distinfo_filec c sR t j�| j�}| �� D ]6\}}}t j�|�s:t j�||�}|�| j�r|V qdS )z� Iterates over the ``RECORD`` entries and returns paths for each line if the path is pointing to a file located in the ``.dist-info`` directory or one of its subdirectories. :returns: iterator of paths N)r� r r� r� r� rO r� )r" r� r r� r� r# r# r$ �list_distinfo_filesA s z)InstalledDistribution.list_distinfo_filesc C s t |t�o| j|jkS r9 )r] r r �r" r� r# r# r$ r� Q s �z InstalledDistribution.__eq__)NN)F)F)r- r. r/ r0 r� r% r� r� r� r ry r r rv r� r� r� r� r� r� r� r� r� �objectr� r� r# r# r� r$ r s, " ## r c sj e Zd ZdZdZi Zd� fdd� Zdd� Zdd � Zd d � Z d d � Z dd� Z ddd�Z dd� Z ejZ� ZS )r a Created with the *path* of the ``.egg-info`` directory or file provided to the constructor. 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Otherwise the raw value from ``installed-files.txt`` is returned. :type absolute: boolean :returns: iterator of paths r TrY r� r� z./FN) r� r rO r� r� r� r r r� )r" �absoluter� �skipr� r� rq r# r# r$ r� s z'EggInfoDistribution.list_distinfo_filesc C s t |t�o| j|jkS r9 )r] r r r� r# r# r$ r� . s �zEggInfoDistribution.__eq__)N)F)r- r. r/ r0 r� r� r% r r� r� r� r� r� r� r� r� r� r# r# r� r$ r Y s Z& r c @ s^ e Zd ZdZdd� Zdd� Zddd�Zd d � Zd d � Zddd�Z ddd�Z dd� Z dd� Z dS )�DependencyGrapha� Represents a dependency graph between distributions. The dependency relationships are stored in an ``adjacency_list`` that maps distributions to a list of ``(other, label)`` tuples where ``other`` is a distribution and the edge is labeled with ``label`` (i.e. the version specifier, if such was provided). Also, for more efficient traversal, for every distribution ``x``, a list of predecessors is kept in ``reverse_list[x]``. 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Nc s g | ]\}}|� vr||f�qS r# r# )r� r{ rY �� to_remover# r$ r� � r� z4DependencyGraph.topological_sort.<locals>.<listcomp>zMoving to result: %sc S s g | ]}d |j |jf �qS )rj r� )r� r{ r# r# r$ r� � r� )r r* �listr) rS rT r' �keys)r" rh Zalist�kr| r# r- r$ �topological_sort� s$ � z DependencyGraph.topological_sortc C s2 g }| j �� D ]\}}|�| �|�� qd�|�S )zRepresentation of the graphr� )r r* r) r& rO )r" r) r+ r+ r# r# r$ r� � s zDependencyGraph.__repr__)N)r )T) r- r. r/ r0 r% r r# r$ r% r& r, r2 r� r# r# r# r$ r 9 s r r1 c C sR t |�}t� }i }| D ]L}|�|� |jD ]6}t|�\}}t�d|||� |�|g ��||f� q*q| D ]�}|j |j B |j B |j B }|D ]�} z|� | �} W n4 ty� t�d| � | �� d }|� |�} Y n0 | j}d} ||v �r:|| D ]L\}} z| �|�} W n t�y d} Y n0 | r�|�|| | � d} �q:q�| s�|�|| � q�qh|S )a6 Makes a dependency graph from the given distributions. :parameter dists: a list of distributions :type dists: list of :class:`distutils2.database.InstalledDistribution` and :class:`distutils2.database.EggInfoDistribution` instances :rtype: a :class:`DependencyGraph` instance zAdd to provided: %s, %s, %sr� r FT)r r r rk r rS rT r' r) r� r� r� r� rl r r� r� r( ro r# r$ )�distsrC �graphrp r+ rq r rc r r� rl ZmatchedZproviderro r# r# r$ � make_graph� sN �� � r5 c C sv || vrt d|j ��t| �}|g}|j| }|rh|�� }|�|� |j| D ]}||vrN|�|� qNq.|�d� |S )z�Recursively generate a list of distributions from *dists* that are dependent on *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested �1given distribution %r is not a member of the listr )r r r5 r �popr) )r3 r+ r4 Zdep�todor{ Zsuccr# r# r$ �get_dependent_dists� s � r9 c C sn || vrt d|j ��t| �}g }|j| }|rj|�� d }|�|� |j| D ]}||vrP|�|� qPq,|S )z�Recursively generate a list of distributions from *dists* that are required by *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested r6 r )r r r5 r r7 r) )r3 r+ r4 r� r8 r{ Zpredr# r# r$ �get_required_dists s � r: c K s8 |� dd�}tf i |��}| |_||_|p,d|_t|�S )zO A convenience method for making a dist given just a name and version. �summaryzPlaceholder for summary)r7 r r rc r; r )r rc �kwargsr; r� r# r# r$ � make_dist2 s r= )r1 )7r0 Z __future__r r� r� rP r� Zloggingr� rN r2 r r? r r �compatr rc r r rD r r r r �utilr r r r r r r �__all__Z getLoggerr- rS r� ZCOMMANDS_FILENAMEr� rM r� r r r r r r rU rV r r5 r9 r: r= r# r# r# r$ �<module> sT $ � s 7 J ] 6 _vendor/distlib/__pycache__/database.cpython-39.pyc 0000644 00000122714 15114542003 0016241 0 ustar 00 a [��fs� � @ s� d Z ddlmZ ddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl m Z mZ ddlmZ ddlmZmZ ddlmZmZmZmZ dd lmZmZm Z m Z m Z m Z m Z g d �Z!e�"e#�Z$d Z%d Z&d eddde%dfZ'dZ(G dd� de)�Z*G dd� de)�Z+G dd� de)�Z,G dd� de,�Z-G dd � d e-�Z.G d d � d e-�Z/e.Z0e/Z1G d d � d e)�Z2d*d"d#�Z3d$d%� Z4d&d'� Z5d(d)� Z6dS )+zPEP 376 implementation.� )�unicode_literalsN� )�DistlibException� resources)�StringIO)� get_scheme�UnsupportedVersionError)�Metadata�METADATA_FILENAME�WHEEL_METADATA_FILENAME�LEGACY_METADATA_FILENAME)�parse_requirement�cached_property�parse_name_and_version� read_exports� write_exports� CSVReader� CSVWriter)� Distribution�BaseInstalledDistribution�InstalledDistribution�EggInfoDistribution�DistributionPathzpydist-exports.jsonzpydist-commands.jsonZ INSTALLER�RECORD� REQUESTED� RESOURCES�SHAREDz .dist-infoc @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �_CachezL A simple cache mapping names and .dist-info paths to distributions c C s i | _ i | _d| _dS )zZ Initialise an instance. 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TN)r5 r r4 r6 r\ � isinstancer r, )r" Zgen_distZgen_eggr+ r# r# r$ �_generate_cache� s z DistributionPath._generate_cachec C s |� dd�}d�||g�t S )ao The *name* and *version* parameters are converted into their filename-escaped form, i.e. any ``'-'`` characters are replaced with ``'_'`` other than the one in ``'dist-info'`` and the one separating the name from the version number. :parameter name: is converted to a standard distribution name by replacing any runs of non- alphanumeric characters with a single ``'-'``. :type name: string :parameter version: is converted to a standard version string. 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If nothing is found, ``None`` is returned. :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` or ``None`` Nr ) �lowerr7 r\ r( r^ r5 r r4 r6 )r" r �resultr+ r# r# r$ �get_distribution� s z!DistributionPath.get_distributionc c s� d}|durHz| j �d||f �}W n" tyF td||f ��Y n0 | �� D ]p}t|d�slt�d|� qP|j}|D ]H}t |�\}}|du r�||kr�|V qPqv||krv|� |�rv|V qPqvqPdS )a Iterates over all distributions to find which distributions provide *name*. If a *version* is provided, it will be used to filter the results. This function only returns the first result found, since no more than one values are expected. If the directory is not found, returns ``None``. :parameter version: a version specifier that indicates the version required, conforming to the format in ``PEP-345`` :type name: string :type version: string N�%s (%s)z invalid name or version: %r, %r�provideszNo "provides": %s) r8 �matcher� ValueErrorr rf �hasattrrS rT rk r �match) r" r rc rl r+ �provided�p�p_name�p_verr# r# r$ �provides_distribution� s* � z&DistributionPath.provides_distributionc C s( | � |�}|du r td| ��|�|�S )z5 Return the path to a resource file. Nz no distribution named %r found)ri � LookupError�get_resource_path)r" r � relative_pathr+ r# r# r$ � get_file_path! s z DistributionPath.get_file_pathc c sX | � � D ]J}|j}||v r|| }|dur>||v rR|| V q|�� D ] }|V qFqdS )z� Return all of the exported entries in a particular category. :param category: The category to search for entries. :param name: If specified, only entries with that name are returned. N)rf �exportsre )r" �categoryr r+ rY �d�vr# r# r$ �get_exported_entries* s z%DistributionPath.get_exported_entries)NF)N)N)r- r. r/ r0 r% r; r= �propertyZ cache_enabledr> r\ r^ � classmethodrd rf ri rt rx r} r# r# r# r$ r K s , ) r c @ s� e Zd ZdZdZdZdd� Zedd� �ZeZ edd� �Z ed d � �Z d d � Z ed d� �Z edd� �Zedd� �Zedd� �Zedd� �Zdd� Zdd� Zdd � Zd d � Zd S ) r z� A base class for distributions, whether installed or from indexes. Either way, it must have some metadata, so that's all that's needed for construction. Fc C sL || _ |j| _| j�� | _|j| _d| _d| _d| _d| _t � | _ i | _ dS )z� Initialise an instance. :param metadata: The instance of :class:`Metadata` describing this distribution. N) rD r rg r( rc Zlocator�digest�extras�contextrH Z download_urlsZdigests)r" rD r# r# r$ r% O s zDistribution.__init__c C s | j jS )zH The source archive download URL for this distribution. )rD � source_urlr! r# r# r$ r� ` s zDistribution.source_urlc C s d| j | jf S )zX A utility property which displays the name and version in parentheses. rj �r rc r! r# r# r$ �name_and_versioni s z Distribution.name_and_versionc C s. | j j}d| j| jf }||vr*|�|� |S )z� A set of distribution names and versions provided by this distribution. :return: A set of "name (version)" strings. rj )rD rk r rc r) )r" Zplist�sr# r# r$ rk p s zDistribution.providesc C s8 | j }t�d|�� � t||�}t|j|| j| jd��S )Nz%Getting requirements from metadata %r)r� rE ) rD rS rT Ztodict�getattrrH Zget_requirementsr� r� )r" Zreq_attr�mdZreqtsr# r# r$ �_get_requirements| s �z Distribution._get_requirementsc C s | � d�S )N� run_requires�r� r! r# r# r$ r� � s zDistribution.run_requiresc C s | � d�S )N� meta_requiresr� r! r# r# r$ r� � s zDistribution.meta_requiresc C s | � d�S )N�build_requiresr� r! r# r# r$ r� � s zDistribution.build_requiresc C s | � d�S )N� test_requiresr� r! r# r# r$ r� � s zDistribution.test_requiresc C s | � d�S )N� dev_requiresr� r! r# r# r$ r� � s zDistribution.dev_requiresc C s� t |�}t| jj�}z|�|j�}W n4 tyX t�d|� |� � d }|�|�}Y n0 |j }d}| j D ]B}t |�\}} ||kr�qjz|� | �}W q�W qj ty� Y qj0 qj|S )z� Say if this instance matches (fulfills) a requirement. :param req: The requirement to match. :rtype req: str :return: True if it matches, else False. �+could not read version %r - using name onlyr F)r r rD rC rl � requirementr rS �warning�splitr( rk r ro ) r" �reqrY rC rl r rh rq rr rs r# r# r$ �matches_requirement� s, � z Distribution.matches_requirementc C s( | j rd| j }nd}d| j| j|f S )zC Return a textual representation of this instance, z [%s]r? z<Distribution %s (%s)%s>)r� r rc )r" �suffixr# r# r$ �__repr__� s zDistribution.__repr__c C s> t |�t | �urd}n$| j|jko8| j|jko8| j|jk}|S )a< See if this distribution is the same as another. :param other: The distribution to compare with. To be equal to one another. distributions must have the same type, name, version and source_url. :return: True if it is the same, else False. F)�typer rc r� )r" �otherrh r# r# r$ �__eq__� s � �zDistribution.__eq__c C s t | j�t | j� t | j� S )zH Compute hash in a way which matches the equality test. )�hashr rc r� r! r# r# r$ �__hash__� s zDistribution.__hash__N)r- r. r/ r0 Zbuild_time_dependency� requestedr% r~ r� Z download_urlr� rk r� r� r� r� r� r� r� r� r� r� r# r# r# r$ r = s4 " r c s0 e Zd ZdZdZd� fdd� Zddd�Z� ZS ) r z] This is the base class for installed distributions (whether PEP 376 or legacy). Nc s t t| ��|� || _|| _dS )a Initialise an instance. :param metadata: An instance of :class:`Metadata` which describes the distribution. This will normally have been initialised from a metadata file in the ``path``. :param path: The path of the ``.dist-info`` or ``.egg-info`` directory for the distribution. :param env: This is normally the :class:`DistributionPath` instance where this distribution was found. N)�superr r% r � dist_path)r" rD r rE �� __class__r# r$ r% � s z"BaseInstalledDistribution.__init__c C sd |du r| j }|du r"tj}d}ntt|�}d| j }||��� }t�|��d��d�}d||f S )a� Get the hash of some data, using a particular hash algorithm, if specified. :param data: The data to be hashed. :type data: bytes :param hasher: The name of a hash implementation, supported by hashlib, or ``None``. Examples of valid values are ``'sha1'``, ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and ``'sha512'``. If no hasher is specified, the ``hasher`` attribute of the :class:`InstalledDistribution` instance is used. If the hasher is determined to be ``None``, MD5 is used as the hashing algorithm. :returns: The hash of the data. If a hasher was explicitly specified, the returned hash will be prefixed with the specified hasher followed by '='. :rtype: str Nr? z%s=� =�ascii�%s%s) �hasher�hashlib�md5r� r� �base64Zurlsafe_b64encode�rstrip�decode)r" �datar� �prefixr� r# r# r$ �get_hash� s z"BaseInstalledDistribution.get_hash)N)N)r- r. r/ r0 r� r% r� � __classcell__r# r# r� r$ r � s r c s� e Zd ZdZdZd'� fdd� Zdd� Zdd � Zd d � Ze d d � �Z dd� Z dd� Z dd� Z dd� Zd(dd�Zdd� Ze dd � �Zd)d d �Zd d � Zd!d"� Zd#d$� Zd%d&� ZejZ� ZS )*r a Created with the *path* of the ``.dist-info`` directory provided to the constructor. It reads the metadata contained in ``pydist.json`` when it is instantiated., or uses a passed in Metadata instance (useful for when dry-run mode is being used). Zsha256Nc s~ g | _ t�|� | _}|d u r*td| ��|rP|jrP||jjv rP|jj| j}n�|d u r�|� t �}|d u rt|� t �}|d u r�|� t �}|d u r�tdt |f ��t �|�� �� }t|dd�}W d � n1 s�0 Y tt| ��|||� |�r|j�r|j�| � |� d�}|d u| _tj�|d�}tj�|��rzt|d�� }|�� �d�} W d � n1 �sf0 Y | � � | _ d S ) Nzfinder unavailable for %szno %s found in %sr@ rA r � top_level.txt�rb�utf-8) �modulesr rI rX rm r7 r5 r rD rJ r r r rP rQ rR r r� r r% r, r� �osrO �exists�open�readr� � splitlines) r" r rD rE rX rY r[ rq �fr� r� r# r$ r% s8 �* .z InstalledDistribution.__init__c C s d| j | j| jf S )Nz#<InstalledDistribution %r %s at %r>�r rc r r! r# r# r$ r� = s �z InstalledDistribution.__repr__c C s d| j | jf S �Nz%s %sr� r! r# r# r$ �__str__A s z InstalledDistribution.__str__c C s� g }| � d�}t�|�� ��z}t|d��P}|D ]:}dd� tt|�d�D �}|| \}}} |�||| f� q.W d � n1 s~0 Y W d � n1 s�0 Y |S )a" Get the list of installed files for the distribution :return: A list of tuples of path, hash and size. Note that hash and size might be ``None`` for some entries. The path is exactly as stored in the file (which is as in PEP 376). r �r[ c S s g | ]}d �qS r9 r# )�.0�ir# r# r$ � <listcomp>S � z6InstalledDistribution._get_records.<locals>.<listcomp>� N)�get_distinfo_resourcerP rQ rR r �range�lenr) ) r" �resultsrY r[ Z record_reader�row�missingr �checksum�sizer# r# r$ � _get_recordsD s Nz"InstalledDistribution._get_recordsc C s i }| � t�}|r| �� }|S )a Return the information exported by this distribution. :return: A dictionary of exports, mapping an export category to a dict of :class:`ExportEntry` instances describing the individual export entries, and keyed by name. )r� �EXPORTS_FILENAMEr )r" rh rY r# r# r$ ry [ s z InstalledDistribution.exportsc C sL i }| � t�}|rHt�|�� ��}t|�}W d � n1 s>0 Y |S )z� Read exports data from a file in .ini format. :return: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. N)r� r� rP rQ rR r )r" rh rY r[ r# r# r$ r i s &z"InstalledDistribution.read_exportsc C sB | � t�}t|d��}t||� W d � n1 s40 Y dS )a Write a dictionary of exports to a file in .ini format. :param exports: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. �wN)�get_distinfo_filer� r� r )r" ry Zrfr� r# r# r$ r x s z#InstalledDistribution.write_exportsc C s� | � d�}t�|�� ��t}t|d��J}|D ]4\}}||kr*| W d � W d � S q*W d � n1 st0 Y W d � n1 s�0 Y td| ��dS )aW NOTE: This API may change in the future. Return the absolute path to a resource file with the given relative path. :param relative_path: The path, relative to .dist-info, of the resource of interest. :return: The absolute path where the resource is to be found. r r� Nz3no resource file with relative path %r is installed)r� rP rQ rR r �KeyError)r" rw rY r[ Zresources_reader�relativeZ destinationr# r# r$ rv � s b�z'InstalledDistribution.get_resource_pathc c s | � � D ] }|V qdS )z� Iterates over the ``RECORD`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: iterator of (path, hash, size) N)r� )r" rh r# r# r$ �list_installed_files� s z*InstalledDistribution.list_installed_filesFc C sR t j�|d�}t j�| j�}|�|�}t j�|d�}| �d�}t�d|� |rRdS t|���}|D ]�}t j� |�sz|� d�r�d } } nHdt j� |� } t |d�� } | � | �� �} W d � n1 s�0 Y |�|�s�|r�|�|�r�t j�||�}|�|| | f� q`|�|��r t j�||�}|�|ddf� W d � n1 �sD0 Y |S )z� Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any existing ``RECORD`` file is silently overwritten. prefix is used to determine when to write absolute paths. r? r � creating %sN�z.pycz.pyoz%dr� )r� r rO �dirname� startswithr� rS �infor �isdirrL �getsizer� r� r� �relpathZwriterow) r" �pathsr� �dry_run�baseZbase_under_prefix� record_path�writerr � hash_valuer� �fpr# r# r$ �write_installed_files� s0 ,� 0z+InstalledDistribution.write_installed_filesc C s0 g }t j�| j�}| �d�}| �� D �]\}}}t j�|�sJt j�||�}||krTq$t j�|�st|�|dddf� q$t j� |�r$t t j� |��}|r�||kr�|�|d||f� q$|r$d|v r�|� dd�d }nd }t |d ��<} | �| �� |�} | |k�r |�|d || f� W d � q$1 �s 0 Y q$|S ) � Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. r r� TFr� �=r r Nr� r� )r� r r� r� r� �isabsrO r� r) �isfile�strr� r� r� r� r� ) r" � mismatchesr� r� r r� r� Z actual_sizer� r� Z actual_hashr# r# r$ �check_installed_files� s. 4z+InstalledDistribution.check_installed_filesc C s� i }t j�| jd�}t j�|�r�tj|ddd�� }|�� �� }W d � n1 sR0 Y |D ]8}|�dd�\}}|dkr�|� |g �� |� q`|||< q`|S ) a� A dictionary of shared locations whose keys are in the set 'prefix', 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. The corresponding value is the absolute path of that category for this distribution, and takes into account any paths selected by the user at installation time (e.g. via command-line arguments). 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The first time this property is accessed, the relevant information is read from the SHARED file in the .dist-info directory. r rY r� ��encodingNr� r � namespace) r� r rO r� �codecsr� r� r� r� r' r) )r" rh � shared_pathr� �lines�liner( r< r# r# r$ �shared_locations� s * z&InstalledDistribution.shared_locationsc C s� t j�| jd�}t�d|� |r$dS g }dD ].}|| }t j�|| �r,|�d||f � q,|�dd�D ]}|�d| � qhtj |d d d �� }|� d �|�� W d � n1 s�0 Y |S ) aa Write shared location information to the SHARED file in .dist-info. :param paths: A dictionary as described in the documentation for :meth:`shared_locations`. :param dry_run: If True, the action is logged but no file is actually written. :return: The path of the file written to. r r� N)r� �libZheadersZscriptsr� z%s=%sr� r# z namespace=%sr� r� r� � ) r� r rO rS r� r� r) �getr� r� �write) r" r� r� r� r� r( r �nsr� r# r# r$ �write_shared_locations s .z,InstalledDistribution.write_shared_locationsc C sF |t vrtd|| jf ��t�| j�}|d u r<td| j ��|�|�S )N�+invalid path for a dist-info file: %r at %rz Unable to get a finder for %s)� DIST_FILESr r r rI rJ )r" r rX r# r# r$ r� s � z+InstalledDistribution.get_distinfo_resourcec C s~ |� tj�dkrT|�tj�dd� \}}|| j�tj�d krTtd|| j| jf ��|tvrntd|| jf ��tj� | j|�S )a� Returns a path located under the ``.dist-info`` directory. Returns a string representing the path. :parameter path: a ``'/'``-separated path relative to the ``.dist-info`` directory or an absolute path; If *path* is an absolute path and doesn't start with the ``.dist-info`` directory path, a :class:`DistlibException` is raised :type path: str :rtype: str r ���N���z;dist-info file %r does not belong to the %r %s distributionr� ) rJ r� �sepr� r r r rc r� rO )r" r rd r# r# r$ r� $ s ���z'InstalledDistribution.get_distinfo_filec c sR t j�| j�}| �� D ]6\}}}t j�|�s:t j�||�}|�| j�r|V qdS )z� Iterates over the ``RECORD`` entries and returns paths for each line if the path is pointing to a file located in the ``.dist-info`` directory or one of its subdirectories. :returns: iterator of paths N)r� r r� r� r� rO r� )r" r� r r� r� r# r# r$ �list_distinfo_filesA s z)InstalledDistribution.list_distinfo_filesc C s t |t�o| j|jkS r9 )r] r r �r" r� r# r# r$ r� Q s �z InstalledDistribution.__eq__)NN)F)F)r- r. r/ r0 r� r% r� r� r� r ry r r rv r� r� r� r� r� r� r� r� r� �objectr� r� r# r# r� r$ r s, " ## r c sj e Zd ZdZdZi Zd� fdd� Zdd� Zdd � Zd d � Z d d � Z dd� Z ddd�Z dd� Z ejZ� ZS )r a Created with the *path* of the ``.egg-info`` directory or file provided to the constructor. It reads the metadata contained in the file itself, or if the given path happens to be a directory, the metadata is read from the file ``PKG-INFO`` under that directory.TNc s� dd� }|| _ || _|rJ|jrJ||jj v rJ|jj | j}|| |j|j� n0| �|�}|| |j|j� |rz|jrz|j�| � t t | �� |||� d S )Nc S s || _ |�� | _|| _d S r9 )r rg r( rc )r� �nr| r# r# r$ �set_name_and_versionc s z:EggInfoDistribution.__init__.<locals>.set_name_and_version) r r� r7 r6 rD r rc � _get_metadatar, r� r r% )r" r rE r� rD r� r# r$ r% b s z EggInfoDistribution.__init__c s� d }dd� � � fdd�}d }}|� d�r�tj�|�r�tj�|d�}tj�|d�}t|dd �}tj�|d �} tj�|d �}|| �}nnt�|�} t| � d �� d ��} t| dd�}z,| � d�} | � d�� d�}� | � d��}W n t y� d }Y n0 nf|� d��rNtj�|��r@tj�|d �} || �}tj�|d�}tj�|d �}t|dd �}n t d| ��|�rj|� |� |d u �r�|d u�r�tj�|��r�t|d�� } | �� � d�}W d � n1 �s�0 Y |�s�g }n|�� }|| _|S )Nc S s� g }| � � }|D ]�}|�� }|�d�r6t�d|� q�t|�}|sPt�d|� q|jr`t�d� |jst|�|j � qd� dd� |jD ��}|�d|j |f � q|S ) z�Create a list of dependencies from a requires.txt file. *data*: the contents of a setuptools-produced requires.txt file. �[z.Unexpected line: quitting requirement scan: %rz#Not recognised as a requirement: %rz4extra requirements in requires.txt are not supportedz, c s s | ]}d | V qdS )r� Nr# )r� �cr# r# r$ � <genexpr>� r� zQEggInfoDistribution._get_metadata.<locals>.parse_requires_data.<locals>.<genexpr>rj ) r� �stripr� rS r� r r� � constraintsr) r rO )r� �reqsr� r� rY Zconsr# r# r$ �parse_requires_dataz s( � z>EggInfoDistribution._get_metadata.<locals>.parse_requires_datac sZ g }z>t �| dd�� }� |�� �}W d � n1 s60 Y W n tyT Y n0 |S )z�Create a list of dependencies from a requires.txt file. *req_path*: the path to a setuptools-produced requires.txt file. rY r� N)r� r� r� �IOError)�req_pathr r� �r r# r$ �parse_requires_path� s . z>EggInfoDistribution._get_metadata.<locals>.parse_requires_pathrG zEGG-INFOzPKG-INFOr@ )r rC z requires.txtr� zEGG-INFO/PKG-INFO�utf8rA zEGG-INFO/requires.txtzEGG-INFO/top_level.txtr� rF z,path must end with .egg-info or .egg, got %rr� )rL r� r r� rO r � zipimport� zipimporterr �get_datar� r r Zadd_requirementsr� r� r� r� r� )r" r �requiresr Ztl_pathZtl_datarq � meta_pathrD r ZzipfrB r� r� r# r r$ r w sX � � .z!EggInfoDistribution._get_metadatac C s d| j | j| jf S )Nz!<EggInfoDistribution %r %s at %r>r� r! r# r# r$ r� � s �z EggInfoDistribution.__repr__c C s d| j | jf S r� r� r! r# r# r$ r� � s zEggInfoDistribution.__str__c C s` g }t j�| jd�}t j�|�r\| �� D ]2\}}}||kr<q(t j�|�s(|�|dddf� q(|S )r� �installed-files.txtr� TF)r� r rO r� r� r) )r" r� r� r r` r# r# r$ r� � s z)EggInfoDistribution.check_installed_filesc C s� dd� }dd� }t j�| jd�}g }t j�|�r�tj|ddd���}|D ]l}|�� }t j�t j�| j|��}t j�|�s�t� d |� |� d �r�qFt j� |�sF|� |||�||�f� qFW d � n1 s�0 Y |� |d d f� |S ) z� Iterates over the ``installed-files.txt`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: a list of (path, hash, size) c S s8 t | d�}z|�� }W |�� n |�� 0 t�|��� S )Nr� )r� r� �closer� r� Z hexdigest)r r� Zcontentr# r# r$ �_md5� s z6EggInfoDistribution.list_installed_files.<locals>._md5c S s t �| �jS r9 )r� �stat�st_size)r r# r# r$ �_size� s z7EggInfoDistribution.list_installed_files.<locals>._sizer rY r� r� zNon-existent file: %sr� N) r� r rO r� r� r� r �normpathrS r� rL r� r) )r" r r r� rh r� r� rq r# r# r$ r� � s" 8z(EggInfoDistribution.list_installed_filesFc c s� t j�| jd�}t j�|�r�d}tj|ddd��j}|D ]T}|�� }|dkrPd}q6|s6t j�t j�| j|��}|�| j�r6|r�|V q6|V q6W d � n1 s�0 Y dS ) a Iterates over the ``installed-files.txt`` entries and returns paths for each line if the path is pointing to a file located in the ``.egg-info`` directory or one of its subdirectories. :parameter absolute: If *absolute* is ``True``, each returned path is transformed into a local absolute path. Otherwise the raw value from ``installed-files.txt`` is returned. :type absolute: boolean :returns: iterator of paths r TrY r� r� z./FN) r� r rO r� r� r� r r r� )r" �absoluter� �skipr� r� rq r# r# r$ r� s z'EggInfoDistribution.list_distinfo_filesc C s t |t�o| j|jkS r9 )r] r r r� r# r# r$ r� . s �zEggInfoDistribution.__eq__)N)F)r- r. r/ r0 r� r� r% r r� r� r� r� r� r� r� r� r� r# r# r� r$ r Y s Z& r c @ s^ e Zd ZdZdd� Zdd� Zddd�Zd d � Zd d � Zddd�Z ddd�Z dd� Z dd� Z dS )�DependencyGrapha� Represents a dependency graph between distributions. The dependency relationships are stored in an ``adjacency_list`` that maps distributions to a list of ``(other, label)`` tuples where ``other`` is a distribution and the edge is labeled with ``label`` (i.e. the version specifier, if such was provided). Also, for more efficient traversal, for every distribution ``x``, a list of predecessors is kept in ``reverse_list[x]``. An edge from distribution ``a`` to distribution ``b`` means that ``a`` depends on ``b``. If any missing dependencies are found, they are stored in ``missing``, which is a dictionary that maps distributions to a list of requirements that were not provided by any other distributions. c C s i | _ i | _i | _d S r9 )�adjacency_list� reverse_listr� r! r# r# r$ r% I s zDependencyGraph.__init__c C s g | j |< g | j|< dS )z�Add the *distribution* to the graph. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` N)r r )r" � distributionr# r# r$ �add_distributionN s z DependencyGraph.add_distributionNc C s6 | j | �||f� || j| vr2| j| �|� dS )a� Add an edge from distribution *x* to distribution *y* with the given *label*. :type x: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type y: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type label: ``str`` or ``None`` N)r r) r )r" �x�y�labelr# r# r$ �add_edgeX s zDependencyGraph.add_edgec C s& t �d||� | j�|g ��|� dS )a Add a missing *requirement* for the given *distribution*. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type requirement: ``str`` z %s missing %rN)rS rT r� r' r) )r" r r� r# r# r$ � add_missingg s zDependencyGraph.add_missingc C s d|j |jf S r� r� r* r# r# r$ � _repr_distr s zDependencyGraph._repr_distr c C s� | � |�g}| j| D ]h\}}| � |�}|dur<d||f }|�d| t|� � | �||d �}|�d�}|�|dd� � qd�|�S )zPrints only a subgraphNz%s [%s]z r r� )r% r r) r� � repr_noder� �extendrO )r" r+ �level�outputr� r" Z suboutputZsubsr# r# r$ r& u s zDependencyGraph.repr_nodeTc C s� g }|� d� | j�� D ]h\}}t|�dkr:|s:|�|� |D ]@\}}|durh|� d|j|j|f � q>|� d|j|jf � q>q|s�t|�dkr�|� d� |� d� |� d� |D ] }|� d |j � |� d � q�|� d � |� d � dS ) a9 Writes a DOT output for the graph to the provided file *f*. 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Nc s g | ]\}}|� vr||f�qS r# r# )r� r{ rY �� to_remover# r$ r� � r� z4DependencyGraph.topological_sort.<locals>.<listcomp>zMoving to result: %sc S s g | ]}d |j |jf �qS )rj r� )r� r{ r# r# r$ r� � r� )r r* �listr) rS rT r' �keys)r" rh Zalist�kr| r# r- r$ �topological_sort� s$ � z DependencyGraph.topological_sortc C s2 g }| j �� D ]\}}|�| �|�� qd�|�S )zRepresentation of the graphr� )r r* r) r& rO )r" r) r+ r+ r# r# r$ r� � s zDependencyGraph.__repr__)N)r )T) r- r. r/ r0 r% r r# r$ r% r& r, r2 r� r# r# r# r$ r 9 s r r1 c C sR t |�}t� }i }| D ]L}|�|� |jD ]6}t|�\}}t�d|||� |�|g ��||f� q*q| D ]�}|j |j B |j B |j B }|D ]�} z|� | �} W n4 ty� t�d| � | �� d }|� |�} Y n0 | j}d} ||v �r:|| D ]L\}} z| �|�} W n t�y d} Y n0 | r�|�|| | � d} �q:q�| s�|�|| � q�qh|S )a6 Makes a dependency graph from the given distributions. :parameter dists: a list of distributions :type dists: list of :class:`distutils2.database.InstalledDistribution` and :class:`distutils2.database.EggInfoDistribution` instances :rtype: a :class:`DependencyGraph` instance zAdd to provided: %s, %s, %sr� r FT)r r r rk r rS rT r' r) r� r� r� r� rl r r� r� r( ro r# r$ )�distsrC �graphrp r+ rq r rc r r� rl ZmatchedZproviderro r# r# r$ � make_graph� sN �� � r5 c C sv || vrt d|j ��t| �}|g}|j| }|rh|�� }|�|� |j| D ]}||vrN|�|� qNq.|�d� |S )z�Recursively generate a list of distributions from *dists* that are dependent on *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested �1given distribution %r is not a member of the listr )r r r5 r �popr) )r3 r+ r4 Zdep�todor{ Zsuccr# r# r$ �get_dependent_dists� s � r9 c C sn || vrt d|j ��t| �}g }|j| }|rj|�� d }|�|� |j| D ]}||vrP|�|� qPq,|S )z�Recursively generate a list of distributions from *dists* that are required by *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested r6 r )r r r5 r r7 r) )r3 r+ r4 r� r8 r{ Zpredr# r# r$ �get_required_dists s � r: c K s8 |� dd�}tf i |��}| |_||_|p,d|_t|�S )zO A convenience method for making a dist given just a name and version. �summaryzPlaceholder for summary)r7 r r rc r; r )r rc �kwargsr; r� r# r# r$ � make_dist2 s r= )r1 )7r0 Z __future__r r� r� rP r� Zloggingr� rN r2 r r? r r �compatr rc r r rD r r r r �utilr r r r r r r �__all__Z getLoggerr- rS r� ZCOMMANDS_FILENAMEr� rM r� r r r r r r rU rV r r5 r9 r: r= r# r# r# r$ �<module> sT $ � s 7 J ] 6 _vendor/distlib/__pycache__/index.cpython-39.opt-1.pyc 0000644 00000041545 15114542003 0016545 0 ustar 00 a [��fQ � @ s� d dl Z d dlZd dlZd dlZd dlZd dlZzd dlmZ W n ey^ d dl mZ Y n0 ddl m Z ddl m Z mZmZmZmZmZ ddlmZmZ e�e�ZdZdZG d d � d e�Z dS ) � N)�Thread� )�DistlibException)�HTTPBasicAuthHandler�Request�HTTPPasswordMgr�urlparse� build_opener� string_types)�zip_dir� ServerProxyzhttps://pypi.org/pypi�pypic @ s� e Zd ZdZdZd*dd�Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z d+dd�Z d,dd�Z d-dd�Zd.dd�Zd d � Zd/d d �Zd0d d!�Zd1d"d#�Zd$d%� Zd&d'� Zd2d(d)�ZdS )3� PackageIndexzc This class represents a package index compatible with PyPI, the Python Package Index. s. ----------ThIs_Is_tHe_distlib_index_bouNdaRY_$Nc C s� |pt | _| �� t| j�\}}}}}}|s<|s<|s<|dvrJtd| j ��d| _d| _d| _d| _t t j d��Z}dD ]D} z,t j | dg||d�} | dkr�| | _W q�W qt ty� Y qt0 qtW d � n1 s�0 Y dS ) z� Initialise an instance. :param url: The URL of the index. 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If not specified, the instance's ``gpg_home`` attribute is used instead. :return: The absolute pathname of the file where the signature is stored. rC r z&sign command failed with error code %s)r] rk �encoder ) r! rY rZ r[ r\ r/ �sig_filer) r r r* r* r+ � sign_file� s �� �zPackageIndex.sign_file�sdist�sourcec C sR | � � tj�|�s td| ��|�� |�� }d} |rZ| jsJt� d� n| � ||||�} t |d��} | � � } W d � n1 s�0 Y t �| ��� } t �| ��� } |�dd||| | d�� dtj�|�| fg}| �r8t | d��} | � � }W d � n1 �s0 Y |�d tj�| �|f� t�tj�| �� | �|�� |�}| �|�S ) a� Upload a release file to the index. :param metadata: A :class:`Metadata` instance defining at least a name and version number for the file to be uploaded. :param filename: The pathname of the file to be uploaded. :param signer: The identifier of the signer of the file. :param sign_password: The passphrase for the signer's private key used for signing. :param filetype: The type of the file being uploaded. 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N�digests)Zsha256�md5r� r, )r7 �inforO r� r� r= r, r, r- � _get_digest1 s zLocator._get_digestc C s� |� d�}|� d�}||v r,|| }|j}nt||| jd�}|j}| �|� |_}|d }||d |< |j|d kr�| �|j|�|_|d �|t � �� |� | |_ |||< dS )z� Update a result dictionary (the final result from _get_project) with a dictionary for a specific version, which typically holds information gleaned from a filename or URL for an archive for the distribution. r_ r� �r3 r* r� �urlsN) �pop�metadatar r3 r� r� � source_urlrt � setdefault�set�add�locator) r7 rO r� r_ r� �dist�mdr� r* r, r, r- �_update_version_dataH s z Locator._update_version_dataFc C s� d}t |�}|du r td| ��t| j�}|�|j� | _}t�d|t|�j � | � |j �}t |�dk�rg }|j } |D ]X} | dv r�qxz(|�| �s�n|s�| | �js�|�| � W qx ty� t�d|| � Y qx0 qxt |�dkr�t||jd�}|�rt�d |� |d } || }|�rv|j�r$|j|_|�d i ��| t� �|_i } |�d i �} |jD ] }|| v �rR| | | |< �qR| |_d| _|S ) a Find the most recent distribution which matches the given requirement. :param requirement: A requirement of the form 'foo (1.0)' or perhaps 'foo (>= 1.0, < 2.0, != 1.3)' :param prereleases: If ``True``, allow pre-release versions to be located. 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It's very limited in functionality and probably not worth using. c s$ t t| �jf i |�� t|�| _d S rT )r� r� rJ r r� r� r� r, r- rJ � s zPyPIJSONLocator.__init__c C s t d��dS �ra z Not available from this locatorNr] rR r, r, r- rb � s z&PyPIJSONLocator.get_distribution_namesc C s i i d�}t | jdt|� �}�z�| j�|�}|�� �� }t�|�}t | j d�}|d }|d |_ |d |_ |� d�|_|� dg �|_|� d �|_t|�}| |_|d } |||j < |d D ]T} | d }|j�|� | �| �|j|< |d �|j t� ��|� | �| �|d |< q�|d �� D ]�\} } | |j k�r4�q t | j d�} |j | _ | | _ t| �}| |_||| < | D ]T} | d }|j�|� | �| �|j|< |d �| t� ��|� | �| �|d |< �qh�q W nB t�y } z(| j� t |�� t � d|� W Y d }~n d }~0 0 |S )Nr� z%s/jsonr� r� r_ r� r� r� r� r� r* r� ZreleaseszJSON fetch failed: %s) r r� r rF �open�read�decode�json�loadsr r3 r_ r� rL r� r� r� r r� r� r� r� r� r� r� �itemsr� rI �putr rn � exception)r7 r_ rO r* �respr� r� r� r� r� r� r� ZinfosZomd�odistrP r, r, r- r` � sT "z PyPIJSONLocator._get_projectr� r, r, r� r- r� � s r� c @ s` e Zd ZdZe�dejejB ejB �Z e�dejejB �Z dd� Z e�dej�Z e dd� �Zd S ) �Pagez4 This class represents a scraped HTML page. z� (rel\s*=\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\s ]*))\s+)? href\s*=\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\s ]*)) (\s+rel\s*=\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\s ]*)))? z!<base\s+href\s*=\s*['"]?([^'">]+)c C s4 || _ | | _| _| j�| j �}|r0|�d�| _dS )zk Initialise an instance with the Unicode page contents and the URL they came from. r N)r� r� r* �_base�search�group)r7 r� r* r� r, r, r- rJ s z Page.__init__z[^a-z0-9$&+,/:;=?@.#%_\\|-]c C s� dd� }t � }| j�| j�D ]�}|�d�}|d pX|d pX|d pX|d pX|d pX|d }|d pp|d pp|d }t| j|�}t|�}| j� d d� |�}|� ||f� q t |dd� dd�}|S )z� Return the URLs of all the links on a page together with information about their "rel" attribute, for determining which ones to treat as downloads and which ones to queue for further scraping. c S s, t | �\}}}}}}t||t|�|||f�S )zTidy up an URL.)r r r )r* r3 rk rg r� r� r� r, r, r- �clean4 s �zPage.links.<locals>.cleanr1 Zrel1Zrel2Zrel3Zrel4Zrel5Zrel6rp rq Zurl3c S s dt | �d�� S )Nz%%%2xr )�ordr� )r� r, r, r- �<lambda>B r� z Page.links.<locals>.<lambda>c S s | d S )Nr r, )rl r, r, r- r� F r� T)r= �reverse) r� �_href�finditerr� � groupdictr r� r � _clean_re�subr� r� )r7 r� rO r� r� �relr* r, r, r- �links- s$ ��� z Page.linksN)r> r? r@ rA �re�compile�I�S�Xr� r� rJ r� r r� r, r, r, r- r� s � r� c s� e Zd ZdZejdd� dd� d�Zd � fdd � Zd d � Zd d � Z dd� Z e � de j �Zdd� Zdd� Zdd� Zdd� Zdd� Ze � d�Zd d � Z� ZS ) �SimpleScrapingLocatorz� A locator which scrapes HTML pages to locate downloads for a distribution. This runs multiple threads to do the I/O; performance is at least as good as pip's PackageFinder, which works in an analogous fashion. c C s t jt| �d��� S )N)Zfileobj)�gzipZGzipFiler r� ��br, r, r- r� T r� z SimpleScrapingLocator.<lambda>c C s | S rT r, r� r, r, r- r� U r� )Zdeflater� ZnoneN� c sp t t| �jf i |�� t|�| _|| _i | _t� | _t � � | _ t� | _ d| _ || _t�� | _t�� | _d| _dS )a� Initialise an instance. :param url: The root URL to use for scraping. :param timeout: The timeout, in seconds, to be applied to requests. This defaults to ``None`` (no timeout specified). :param num_workers: The number of worker threads you want to do I/O, This defaults to 10. :param kwargs: Passed to the superclass. FN)r� r� rJ r r� r& � _page_cacher� �_seenr rH � _to_fetch� _bad_hosts�skip_externals� num_workers� threading�RLock�_lock�_gplock�platform_check)r7 r* r& r� r� r� r, r- rJ X s z SimpleScrapingLocator.__init__c C sF g | _ t| j�D ]0}tj| jd�}|�d� |�� | j �|� qdS )z� Threads are created only when get_project is called, and terminate before it returns. They are there primarily to parallelise I/O (i.e. fetching web pages). )�targetTN) �_threads�ranger� r� �Thread�_fetch� setDaemon�startrM )r7 �irl r, r, r- �_prepare_threadss s z&SimpleScrapingLocator._prepare_threadsc C s6 | j D ]}| j�d� q| j D ] }|�� q g | _ dS )zu Tell all the threads to terminate (by sending a sentinel value) and wait for them to do so. N)r� r� r� r| )r7 rl r, r, r- � _wait_threads� s z#SimpleScrapingLocator._wait_threadsc C s� i i d�}| j �� || _|| _t| jdt|� �}| j�� | j�� | � � z.t � d|� | j � |� | j �� W | �� n | �� 0 | `W d � n1 s�0 Y |S )Nr� z%s/z Queueing %s)r� rO rv r r� r r� rU r� r� rn ro r� r� r| r� )r7 r_ rO r* r, r, r- r` � s "z"SimpleScrapingLocator._get_projectz<\b(linux_(i\d86|x86_64|arm\w+)|win(32|_amd64)|macosx_?\d+)\bc C s | j �|�S )zD Does an URL refer to a platform-specific download? )�platform_dependentr� )r7 r* r, r, r- �_is_platform_dependent� s z,SimpleScrapingLocator._is_platform_dependentc C sn | j r| �|�rd}n| �|| j�}t�d||� |rj| j� | �| j|� W d � n1 s`0 Y |S )a% See if an URL is a suitable download for a project. If it is, register information in the result dictionary (for _get_project) about the specific version it's for. Note that the return value isn't actually used other than as a boolean value. Nzprocess_download: %s -> %s) r� r r� rv rn ro r� r� rO )r7 r* r� r, r, r- �_process_download� s ,z'SimpleScrapingLocator._process_downloadc C s� t |�\}}}}}}|�| j| j | j �r2d}n|| jrJ|�| j�sJd}nd|�| j�s\d}nR|dvrjd}nD|dvrxd}n6| �|�r�d}n&|� dd�d } | � � dkr�d}nd}t � d ||||� |S ) z� Determine whether a link URL from a referring page and with a particular "rel" attribute should be queued for scraping. F)ZhomepageZdownload)�httprd �ftp�:r r Z localhostTz#should_queue: %s (%s) from %s -> %s) r rh r� r� r� r� r� r� r �splitr� rn ro ) r7 �linkZreferrerr� r3 rk rg �_rO �hostr, r, r- � _should_queue� s. � �z#SimpleScrapingLocator._should_queuec C s | j �� }z�z�|r�| �|�}|du r4W W | j �� q |jD ]h\}}|| jvr:zB| j�|� | �|�s�| �|||�r�t � d||� | j � |� W q: t y� Y q:0 q:W n4 t y� } z | j� t|�� W Y d}~n d}~0 0 W | j �� n | j �� 0 |s q�q dS )z� Get a URL to fetch from the work queue, get the HTML page, examine its links for download candidates and candidates for further scraping. This is a handy method to run in a thread. NzQueueing %s from %s)r� rL �get_pagerN r� r� r� r r rn ro r� r r� rI r )r7 r* �pager r� rP r, r, r- r� � s0 � � (z SimpleScrapingLocator._fetchc C s| t |�\}}}}}}|dkr:tj�t|��r:tt|�d�}|| jv r`| j| }t� d||� �n|� dd�d }d}|| j v r�t� d||� �n�t |d d id �}�z�z�t� d |� | j j|| jd �} t� d|� | �� } | �dd�} t�| ��r�| �� } | �� } | �d�}|�r"| j| }|| �} d}t�| �}|�r@|�d�}z| �|�} W n t�yl | �d�} Y n0 t | | �}|| j| < W n� t �y� } z&|j dk�r�t� d||� W Y d}~n�d}~0 t �y* } zNt� d||� | j!� | j �"|� W d � n1 �s 0 Y W Y d}~n<d}~0 t#�y\ } zt� d||� W Y d}~n d}~0 0 W || j|< n || j|< 0 |S )a Get the HTML for an URL, possibly from an in-memory cache. XXX TODO Note: this cache is never actually cleared. It's assumed that the data won't get stale over the lifetime of a locator instance (not necessarily true for the default_locator). �filez index.htmlzReturning %s from cache: %sr r r Nz Skipping %s due to bad host %szAccept-encoding�identity)r< z Fetching %sr% z Fetched %sz Content-Typer1 zContent-Encodingzutf-8zlatin-1i� zFetch failed: %s: %s)$r �osrg �isdirr r r r� rn ro r r� r rF r� r& r� rL �HTML_CONTENT_TYPEr� �geturlr� �decoders�CHARSETr� r� r� � UnicodeErrorr� r r: r� r r� r� r� )r7 r* r3 rk rg r rO r r8 r� r< Z content_typeZ final_urlr� �encoding�decoderr� rP r, r, r- r � sZ "@&z SimpleScrapingLocator.get_pagez<a href=[^>]*>([^<]+)<c C sL t � }| �| j�}|s$td| j ��| j�|j�D ]}|�|�d�� q2|S )ra zUnable to get %sr ) r� r r� r � _distname_rer� r� r� r� )r7 rO r r� r, r, r- rb 7 s z,SimpleScrapingLocator.get_distribution_names)Nr� )r> r? r@ rA �zlib� decompressr rJ r� r� r` r� r� r� r r r r r� r r rb r� r, r, r� r- r� J s& � � !; r� c s8 e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Z� ZS ) �DirectoryLocatorz? This class locates distributions in a directory tree. c sR |� dd�| _tt| �jf i |�� tj�|�}tj�|�sHt d| ��|| _ dS )a� Initialise an instance. :param path: The root of the directory tree to search. :param kwargs: Passed to the superclass constructor, except for: * recursive - if True (the default), subdirectories are recursed into. If False, only the top-level directory is searched, � recursiveTzNot a directory: %rN) r� r r� r rJ r rg �abspathr r �base_dir)r7 rg r� r� r, r- rJ H s zDirectoryLocator.__init__c C s |� | j�S )z� Should a filename be considered as a candidate for a distribution archive? As well as the filename, the directory which contains it is provided, though not used by the current implementation. )rh ri )r7 ru �parentr, r, r- �should_includeY s z DirectoryLocator.should_includec C s� i i d�}t �| j�D ]t\}}}|D ]Z}| �||�r$t j�||�}tddtt j�|��dddf�}| � ||�}|r$| � ||� q$| j s q�q|S )Nr� r r1 ) r �walkr r rg r| r r r r� r� r ) r7 r_ rO �root�dirs�files�fnr* r� r, r, r- r` a s � z DirectoryLocator._get_projectc C s� t � }t�| j�D ]v\}}}|D ]\}| �||�r tj�||�}tddttj� |��dddf�}| � |d�}|r |� |d � q | j s q�q|S )ra r r1 Nr_ ) r� r r! r r rg r| r r r r� r� r )r7 rO r" r# r$ r% r* r� r, r, r- rb q s � z'DirectoryLocator.get_distribution_names) r> r? r@ rA rJ r r` rb r� r, r, r� r- r C s r c @ s e Zd ZdZdd� Zdd� ZdS )� JSONLocatora This locator uses special extended metadata (not available on PyPI) and is the basis of performant dependency resolution in distlib. Other locators require archive downloads before dependencies can be determined! As you might imagine, that can be slow. c C s t d��dS r� r] rR r, r, r- rb � s z"JSONLocator.get_distribution_namesc C s� i i d�}t |�}|r�|�dg �D ]�}|d dks"|d dkr@q"t|d |d |�d d �| jd �}|j}|d |_d |v r�|d r�d|d f|_|�di �|_|�di �|_|||j < |d � |j t � �� |d � q"|S )Nr� r$ ZptypeZsdistZ pyversion�sourcer_ r� r� zPlaceholder for summary)r� r3 r* r� r� Z requirements�exportsr� ) r rL r r3 r� r� r� Z dependenciesr( r� r� r� r� )r7 r_ rO r� r� r� r� r, r, r- r` � s* �� zJSONLocator._get_projectN)r> r? r@ rA rb r` r, r, r, r- r& � s r& c s( e Zd ZdZ� fdd�Zdd� Z� ZS )�DistPathLocatorz� This locator finds installed distributions in a path. It can be useful for adding to an :class:`AggregatingLocator`. c s t t| �jf i |�� || _dS )zs Initialise an instance. :param distpath: A :class:`DistributionPath` instance to search. N)r� r) rJ �distpath)r7 r* r� r� r, r- rJ � s zDistPathLocator.__init__c C sP | j �|�}|d u r i i d�}n,|j|d|jt|jg�id|jtd g�ii}|S )Nr� r� r� )r* Zget_distributionr� r� r� )r7 r_ r� rO r, r, r- r` � s �z DistPathLocator._get_project)r> r? r@ rA rJ r` r� r, r, r� r- r) � s r) c sR e Zd ZdZ� fdd�Z� fdd�Zdd� Zeej j e�Z dd � Z d d � Z � Z S ) �AggregatingLocatorzI This class allows you to chain and/or merge a list of locators. c s. |� dd�| _|| _tt| �jf i |�� dS )a� Initialise an instance. :param locators: The list of locators to search. :param kwargs: Passed to the superclass constructor, except for: * merge - if False (the default), the first successful search from any of the locators is returned. If True, the results from all locators are merged (this can be slow). �mergeFN)r� r, �locatorsr� r+ rJ )r7 r- r� r� r, r- rJ � s zAggregatingLocator.__init__c s& t t| ��� | jD ] }|�� qd S rT )r� r+ rV r- �r7 r� r� r, r- rV � s z AggregatingLocator.clear_cachec C s || _ | jD ] }||_q d S rT )rX r- r3 )r7 rZ r� r, r, r- r[ � s z AggregatingLocator._set_schemec C s� i }| j D ]�}|�|�}|r | jr�|�di �}|�di �}|�|� |�d�}|r�|r�|�� D ]*\}} ||v r�|| | O < q^| ||< q^|�d�} |r�| r�| �|� q | jd u r�d} n"d} |D ]}| j�|�r�d} q�q�| r |} q�q |S )Nr� r� TF)r- rc r, rL �updater� rG r� ) r7 r_ rO r� r� r$ r� Zdfr� r �dd�foundr, r, r- r` � s8 z AggregatingLocator._get_projectc C s: t � }| jD ](}z||�� O }W q ty2 Y q 0 q |S r� )r� r- rb r^ )r7 rO r� r, r, r- rb s z)AggregatingLocator.get_distribution_names)r> r? r@ rA rJ rV r[ r� rB r3 �fgetr` rb r� r, r, r� r- r+ � s ,r+ zhttps://pypi.org/simple/r$ r% �legacyr� c @ sL e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z ddd�Z dS )�DependencyFinderz0 Locate dependencies for distributions. Nc C s |pt | _t| jj�| _dS )zf Initialise an instance, using the specified locator to locate distributions. N)�default_locatorr� r r3 r. r, r, r- rJ / s zDependencyFinder.__init__c C sr t �d|� |j}|| j|< || j||jf< |jD ]:}t|�\}}t �d|||� | j� |t � �� ||f� q2dS )z� Add a distribution to the finder. This will update internal information about who provides what. :param dist: The distribution to add. zadding distribution %szAdd to provided: %s, %s, %sN) rn ro r= � dists_by_name�distsr� �providesr �providedr� r� r� )r7 r� r_ �pr� r, r, r- �add_distribution7 s z!DependencyFinder.add_distributionc C sx t �d|� |j}| j|= | j||jf= |jD ]D}t|�\}}t �d|||� | j| }|� ||f� |s.| j|= q.dS )z� Remove a distribution from the finder. 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Z cantreplaceFT) �reqtsr� r@ r� r� r� � frozensetr> r� r; ) r7 rA �other�problemsZrlistZ unmatchedr= rG rO r, r, r- �try_to_replace� s$ � z DependencyFinder.try_to_replaceFc C s� i | _ i | _i | _i | _t|p g �}d|v rF|�d� |tg d��O }t|t�rf| }}t� d|� n4| j j ||d� }}|du r�t d| ��t� d|� d|_ t� }t|g�}t|g�}|�r�|�� }|j} | | jvr�| �|� n"| j| } | |k�r| �|| |� |j|jB } |j} t� } |�r^||v �r^d D ]*}d | }||v �r2| t|d | �O } �q2| | B | B }|D �].}| �|�}|�sDt� d |� | j j ||d�}|du �r�|�s�| j j |dd�}|du �r�t� d |� |�d|f� n^|j|j }}||f| jv�r|�|� |�|� || v �rD||v �rD|�|� t� d|j� |D ]R}|j} | | jv�rv| j�|t� ��|� n"| j| } | |k�rH| �|| |� �qH�qnq�t| j�� �}|D ]&}||v|_ |j �r�t� d|j� �q�t� d|� ||fS )a� Find a distribution and all distributions it depends on. :param requirement: The requirement specifying the distribution to find, or a Distribution instance. :param meta_extras: A list of meta extras such as :test:, :build: and so on. :param prereleases: If ``True``, allow pre-release versions to be returned - otherwise, don't return prereleases unless they're all that's available. 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It's very limited in functionality and probably not worth using. c s$ t t| �jf i |�� t|�| _d S rT )r� r� rJ r r� r� r� r, r- rJ � s zPyPIJSONLocator.__init__c C s t d��dS �ra z Not available from this locatorNr] rR r, r, r- rb � s z&PyPIJSONLocator.get_distribution_namesc C s i i d�}t | jdt|� �}�z�| j�|�}|�� �� }t�|�}t | j d�}|d }|d |_ |d |_ |� d�|_|� dg �|_|� d �|_t|�}| |_|d } |||j < |d D ]T} | d }|j�|� | �| �|j|< |d �|j t� ��|� | �| �|d |< q�|d �� D ]�\} } | |j k�r4�q t | j d�} |j | _ | | _ t| �}| |_||| < | D ]T} | d }|j�|� | �| �|j|< |d �| t� ��|� | �| �|d |< �qh�q W nB t�y } z(| j� t |�� t � d|� W Y d }~n d }~0 0 |S )Nr� z%s/jsonr� r� r_ r� r� r� r� r� r* r� ZreleaseszJSON fetch failed: %s) r r� r rF �open�read�decode�json�loadsr r3 r_ r� rL r� r� r� r r� r� r� r� r� r� r� �itemsr� rI �putr rn � exception)r7 r_ rO r* �respr� r� r� r� r� r� r� ZinfosZomd�odistrP r, r, r- r` � sT "z PyPIJSONLocator._get_projectr� r, r, r� r- r� � s r� c @ s` e Zd ZdZe�dejejB ejB �Z e�dejejB �Z dd� Z e�dej�Z e dd� �Zd S ) �Pagez4 This class represents a scraped HTML page. z� (rel\s*=\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\s ]*))\s+)? href\s*=\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\s ]*)) (\s+rel\s*=\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\s ]*)))? z!<base\s+href\s*=\s*['"]?([^'">]+)c C s4 || _ | | _| _| j�| j �}|r0|�d�| _dS )zk Initialise an instance with the Unicode page contents and the URL they came from. r N)r� r� r* �_base�search�group)r7 r� r* r� r, r, r- rJ s z Page.__init__z[^a-z0-9$&+,/:;=?@.#%_\\|-]c C s� dd� }t � }| j�| j�D ]�}|�d�}|d pX|d pX|d pX|d pX|d pX|d }|d pp|d pp|d }t| j|�}t|�}| j� d d� |�}|� ||f� q t |dd� dd�}|S )z� Return the URLs of all the links on a page together with information about their "rel" attribute, for determining which ones to treat as downloads and which ones to queue for further scraping. c S s, t | �\}}}}}}t||t|�|||f�S )zTidy up an URL.)r r r )r* r3 rk rg r� r� r� r, r, r- �clean4 s �zPage.links.<locals>.cleanr1 Zrel1Zrel2Zrel3Zrel4Zrel5Zrel6rp rq Zurl3c S s dt | �d�� S )Nz%%%2xr )�ordr� )r� r, r, r- �<lambda>B r� z Page.links.<locals>.<lambda>c S s | d S )Nr r, )rl r, r, r- r� F r� T)r= �reverse) r� �_href�finditerr� � groupdictr r� r � _clean_re�subr� r� )r7 r� rO r� r� �relr* r, r, r- �links- s$ ��� z Page.linksN)r> r? r@ rA �re�compile�I�S�Xr� r� rJ r� r r� r, r, r, r- r� s � r� c s� e Zd ZdZejdd� dd� d�Zd � fdd � Zd d � Zd d � Z dd� Z e � de j �Zdd� Zdd� Zdd� Zdd� Zdd� Ze � d�Zd d � Z� ZS ) �SimpleScrapingLocatorz� A locator which scrapes HTML pages to locate downloads for a distribution. This runs multiple threads to do the I/O; performance is at least as good as pip's PackageFinder, which works in an analogous fashion. c C s t jt| �d��� S )N)Zfileobj)�gzipZGzipFiler r� ��br, r, r- r� T r� z SimpleScrapingLocator.<lambda>c C s | S rT r, r� r, r, r- r� U r� )Zdeflater� ZnoneN� c sp t t| �jf i |�� t|�| _|| _i | _t� | _t � � | _ t� | _ d| _ || _t�� | _t�� | _d| _dS )a� Initialise an instance. :param url: The root URL to use for scraping. :param timeout: The timeout, in seconds, to be applied to requests. This defaults to ``None`` (no timeout specified). :param num_workers: The number of worker threads you want to do I/O, This defaults to 10. :param kwargs: Passed to the superclass. FN)r� r� rJ r r� r& � _page_cacher� �_seenr rH � _to_fetch� _bad_hosts�skip_externals� num_workers� threading�RLock�_lock�_gplock�platform_check)r7 r* r& r� r� r� r, r- rJ X s z SimpleScrapingLocator.__init__c C sF g | _ t| j�D ]0}tj| jd�}|�d� |�� | j �|� qdS )z� Threads are created only when get_project is called, and terminate before it returns. They are there primarily to parallelise I/O (i.e. fetching web pages). )�targetTN) �_threads�ranger� r� �Thread�_fetch� setDaemon�startrM )r7 �irl r, r, r- �_prepare_threadss s z&SimpleScrapingLocator._prepare_threadsc C s6 | j D ]}| j�d� q| j D ] }|�� q g | _ dS )zu Tell all the threads to terminate (by sending a sentinel value) and wait for them to do so. N)r� r� r� r| )r7 rl r, r, r- � _wait_threads� s z#SimpleScrapingLocator._wait_threadsc C s� i i d�}| j �� || _|| _t| jdt|� �}| j�� | j�� | � � z.t � d|� | j � |� | j �� W | �� n | �� 0 | `W d � n1 s�0 Y |S )Nr� z%s/z Queueing %s)r� rO rv r r� r r� rU r� r� rn ro r� r� r| r� )r7 r_ rO r* r, r, r- r` � s "z"SimpleScrapingLocator._get_projectz<\b(linux_(i\d86|x86_64|arm\w+)|win(32|_amd64)|macosx_?\d+)\bc C s | j �|�S )zD Does an URL refer to a platform-specific download? )�platform_dependentr� )r7 r* r, r, r- �_is_platform_dependent� s z,SimpleScrapingLocator._is_platform_dependentc C sn | j r| �|�rd}n| �|| j�}t�d||� |rj| j� | �| j|� W d � n1 s`0 Y |S )a% See if an URL is a suitable download for a project. If it is, register information in the result dictionary (for _get_project) about the specific version it's for. Note that the return value isn't actually used other than as a boolean value. Nzprocess_download: %s -> %s) r� r r� rv rn ro r� r� rO )r7 r* r� r, r, r- �_process_download� s ,z'SimpleScrapingLocator._process_downloadc C s� t |�\}}}}}}|�| j| j | j �r2d}n|| jrJ|�| j�sJd}nd|�| j�s\d}nR|dvrjd}nD|dvrxd}n6| �|�r�d}n&|� dd�d } | � � dkr�d}nd}t � d ||||� |S ) z� Determine whether a link URL from a referring page and with a particular "rel" attribute should be queued for scraping. F)ZhomepageZdownload)�httprd �ftp�:r r Z localhostTz#should_queue: %s (%s) from %s -> %s) r rh r� r� r� r� r� r� r �splitr� rn ro ) r7 �linkZreferrerr� r3 rk rg �_rO �hostr, r, r- � _should_queue� s. � �z#SimpleScrapingLocator._should_queuec C s | j �� }z�z�|r�| �|�}|du r4W W | j �� q |jD ]h\}}|| jvr:zB| j�|� | �|�s�| �|||�r�t � d||� | j � |� W q: t y� Y q:0 q:W n4 t y� } z | j� t|�� W Y d}~n d}~0 0 W | j �� n | j �� 0 |s q�q dS )z� Get a URL to fetch from the work queue, get the HTML page, examine its links for download candidates and candidates for further scraping. This is a handy method to run in a thread. NzQueueing %s from %s)r� rL �get_pagerN r� r� r� r r rn ro r� r r� rI r )r7 r* �pager r� rP r, r, r- r� � s0 � � (z SimpleScrapingLocator._fetchc C s| t |�\}}}}}}|dkr:tj�t|��r:tt|�d�}|| jv r`| j| }t� d||� �n|� dd�d }d}|| j v r�t� d||� �n�t |d d id �}�z�z�t� d |� | j j|| jd �} t� d|� | �� } | �dd�} t�| ��r�| �� } | �� } | �d�}|�r"| j| }|| �} d}t�| �}|�r@|�d�}z| �|�} W n t�yl | �d�} Y n0 t | | �}|| j| < W n� t �y� } z&|j dk�r�t� d||� W Y d}~n�d}~0 t �y* } zNt� d||� | j!� | j �"|� W d � n1 �s 0 Y W Y d}~n<d}~0 t#�y\ } zt� d||� W Y d}~n d}~0 0 W || j|< n || j|< 0 |S )a Get the HTML for an URL, possibly from an in-memory cache. XXX TODO Note: this cache is never actually cleared. It's assumed that the data won't get stale over the lifetime of a locator instance (not necessarily true for the default_locator). �filez index.htmlzReturning %s from cache: %sr r r Nz Skipping %s due to bad host %szAccept-encoding�identity)r< z Fetching %sr% z Fetched %sz Content-Typer1 zContent-Encodingzutf-8zlatin-1i� zFetch failed: %s: %s)$r �osrg �isdirr r r r� rn ro r r� r rF r� r& r� rL �HTML_CONTENT_TYPEr� �geturlr� �decoders�CHARSETr� r� r� � UnicodeErrorr� r r: r� r r� r� r� )r7 r* r3 rk rg r rO r r8 r� r< Z content_typeZ final_urlr� �encoding�decoderr� rP r, r, r- r � sZ "@&z SimpleScrapingLocator.get_pagez<a href=[^>]*>([^<]+)<c C sL t � }| �| j�}|s$td| j ��| j�|j�D ]}|�|�d�� q2|S )ra zUnable to get %sr ) r� r r� r � _distname_rer� r� r� r� )r7 rO r r� r, r, r- rb 7 s z,SimpleScrapingLocator.get_distribution_names)Nr� )r> r? r@ rA �zlib� decompressr rJ r� r� r` r� r� r� r r r r r� r r rb r� r, r, r� r- r� J s& � � !; r� c s8 e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Z� ZS ) �DirectoryLocatorz? This class locates distributions in a directory tree. c sR |� dd�| _tt| �jf i |�� tj�|�}tj�|�sHt d| ��|| _ dS )a� Initialise an instance. :param path: The root of the directory tree to search. :param kwargs: Passed to the superclass constructor, except for: * recursive - if True (the default), subdirectories are recursed into. If False, only the top-level directory is searched, � recursiveTzNot a directory: %rN) r� r r� r rJ r rg �abspathr r �base_dir)r7 rg r� r� r, r- rJ H s zDirectoryLocator.__init__c C s |� | j�S )z� Should a filename be considered as a candidate for a distribution archive? As well as the filename, the directory which contains it is provided, though not used by the current implementation. )rh ri )r7 ru �parentr, r, r- �should_includeY s z DirectoryLocator.should_includec C s� i i d�}t �| j�D ]t\}}}|D ]Z}| �||�r$t j�||�}tddtt j�|��dddf�}| � ||�}|r$| � ||� q$| j s q�q|S )Nr� r r1 ) r �walkr r rg r| r r r r� r� r ) r7 r_ rO �root�dirs�files�fnr* r� r, r, r- r` a s � z DirectoryLocator._get_projectc C s� t � }t�| j�D ]v\}}}|D ]\}| �||�r tj�||�}tddttj� |��dddf�}| � |d�}|r |� |d � q | j s q�q|S )ra r r1 Nr_ ) r� r r! r r rg r| r r r r� r� r )r7 rO r" r# r$ r% r* r� r, r, r- rb q s � z'DirectoryLocator.get_distribution_names) r> r? r@ rA rJ r r` rb r� r, r, r� r- r C s r c @ s e Zd ZdZdd� Zdd� ZdS )� JSONLocatora This locator uses special extended metadata (not available on PyPI) and is the basis of performant dependency resolution in distlib. Other locators require archive downloads before dependencies can be determined! As you might imagine, that can be slow. c C s t d��dS r� r] rR r, r, r- rb � s z"JSONLocator.get_distribution_namesc C s� i i d�}t |�}|r�|�dg �D ]�}|d dks"|d dkr@q"t|d |d |�d d �| jd �}|j}|d |_d |v r�|d r�d|d f|_|�di �|_|�di �|_|||j < |d � |j t � �� |d � q"|S )Nr� r$ ZptypeZsdistZ pyversion�sourcer_ r� r� zPlaceholder for summary)r� r3 r* r� r� Z requirements�exportsr� ) r rL r r3 r� r� r� Z dependenciesr( r� r� r� r� )r7 r_ rO r� r� r� r� r, r, r- r` � s* �� zJSONLocator._get_projectN)r> r? r@ rA rb r` r, r, r, r- r& � s r& c s( e Zd ZdZ� fdd�Zdd� Z� ZS )�DistPathLocatorz� This locator finds installed distributions in a path. It can be useful for adding to an :class:`AggregatingLocator`. c s. t t| �jf i |�� t|t�s$J �|| _dS )zs Initialise an instance. :param distpath: A :class:`DistributionPath` instance to search. N)r� r) rJ � isinstancer �distpath)r7 r+ r� r� r, r- rJ � s zDistPathLocator.__init__c C sP | j �|�}|d u r i i d�}n,|j|d|jt|jg�id|jtd g�ii}|S )Nr� r� r� )r+ Zget_distributionr� r� r� )r7 r_ r� rO r, r, r- r` � s �z DistPathLocator._get_project)r> r? r@ rA rJ r` r� r, r, r� r- r) � s r) c sR e Zd ZdZ� fdd�Z� fdd�Zdd� Zeej j e�Z dd � Z d d � Z � Z S ) �AggregatingLocatorzI This class allows you to chain and/or merge a list of locators. c s. |� dd�| _|| _tt| �jf i |�� dS )a� Initialise an instance. :param locators: The list of locators to search. :param kwargs: Passed to the superclass constructor, except for: * merge - if False (the default), the first successful search from any of the locators is returned. If True, the results from all locators are merged (this can be slow). �mergeFN)r� r- �locatorsr� r, rJ )r7 r. r� r� r, r- rJ � s zAggregatingLocator.__init__c s& t t| ��� | jD ] }|�� qd S rT )r� r, rV r. �r7 r� r� r, r- rV � s z AggregatingLocator.clear_cachec C s || _ | jD ] }||_q d S rT )rX r. r3 )r7 rZ r� r, r, r- r[ � s z AggregatingLocator._set_schemec C s� i }| j D ]�}|�|�}|r | jr�|�di �}|�di �}|�|� |�d�}|r�|r�|�� D ]*\}} ||v r�|| | O < q^| ||< q^|�d�} |r�| r�| �|� q | jd u r�d} n"d} |D ]}| j�|�r�d} q�q�| r |} q�q |S )Nr� r� TF)r. rc r- rL �updater� rG r� ) r7 r_ rO r� r� r$ r� Zdfr� r �dd�foundr, r, r- r` � s8 z AggregatingLocator._get_projectc C s: t � }| jD ](}z||�� O }W q ty2 Y q 0 q |S r� )r� r. rb r^ )r7 rO r� r, r, r- rb s z)AggregatingLocator.get_distribution_names)r> r? r@ rA rJ rV r[ r� rB r3 �fgetr` rb r� r, r, r� r- r, � s ,r, zhttps://pypi.org/simple/r$ r% �legacyr� c @ sL e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z ddd�Z dS )�DependencyFinderz0 Locate dependencies for distributions. Nc C s |pt | _t| jj�| _dS )zf Initialise an instance, using the specified locator to locate distributions. N)�default_locatorr� r r3 r/ r, r, r- rJ / s zDependencyFinder.__init__c C sr t �d|� |j}|| j|< || j||jf< |jD ]:}t|�\}}t �d|||� | j� |t � �� ||f� q2dS )z� Add a distribution to the finder. This will update internal information about who provides what. :param dist: The distribution to add. zadding distribution %szAdd to provided: %s, %s, %sN) rn ro r= � dists_by_name�distsr� �providesr �providedr� r� r� )r7 r� r_ �pr� r, r, r- �add_distribution7 s z!DependencyFinder.add_distributionc C sx t �d|� |j}| j|= | j||jf= |jD ]D}t|�\}}t �d|||� | j| }|� ||f� |s.| j|= q.dS )z� Remove a distribution from the finder. This will update internal information about who provides what. :param dist: The distribution to remove. zremoving distribution %sz Remove from provided: %s, %s, %sN) rn ro r= r7 r8 r� r9 r r: �remove)r7 r� r_ r; r� �sr, r, r- �remove_distributionF s z$DependencyFinder.remove_distributionc C s@ z| j �|�}W n* ty: |�� d }| j �|�}Y n0 |S )z� Get a version matcher for a requirement. :param reqt: The requirement :type reqt: str :return: A version matcher (an instance of :class:`distlib.version.Matcher`). r )r3 rG r! r )r7 �reqtrG r_ r, r, r- � get_matcherX s z DependencyFinder.get_matcherc C sr | � |�}|j}t� }| j}||v rn|| D ]@\}}z|�|�}W n tyX d}Y n0 |r,|�|� qnq,|S )z� Find the distributions which can fulfill a requirement. :param reqt: The requirement. :type reqt: str :return: A set of distribution which can fulfill the requirement. F)rA r= r� r: r� r! r� ) r7 r@ rG r_ rO r: r� �providerr� r, r, r- �find_providersh s z DependencyFinder.find_providersc C s� | j | }t� }|D ]$}| �|�}|�|j�s|�|� q|rZ|�d||t|�f� d}n@| �|� | j |= |D ]}| j �|t� ��|� qp| � |� d}|S )a� Attempt to replace one provider with another. This is typically used when resolving dependencies from multiple sources, e.g. A requires (B >= 1.0) while C requires (B >= 1.1). For successful replacement, ``provider`` must meet all the requirements which ``other`` fulfills. :param provider: The provider we are trying to replace with. :param other: The provider we're trying to replace. :param problems: If False is returned, this will contain what problems prevented replacement. This is currently a tuple of the literal string 'cantreplace', ``provider``, ``other`` and the set of requirements that ``provider`` couldn't fulfill. :return: True if we can replace ``other`` with ``provider``, else False. Z cantreplaceFT) �reqtsr� rA r� r� r� � frozensetr? r� r< ) r7 rB �other�problemsZrlistZ unmatchedr> rG rO r, r, r- �try_to_replace� s$ � z DependencyFinder.try_to_replaceFc C s� i | _ i | _i | _i | _t|p g �}d|v rF|�d� |tg d��O }t|t�rf| }}t� d|� n4| j j ||d� }}|du r�t d| ��t� d|� d|_ t� }t|g�}t|g�}|�r�|�� }|j} | | jvr�| �|� n"| j| } | |k�r| �|| |� |j|jB } |j} t� } |�r^||v �r^d D ]*}d | }||v �r2| t|d | �O } �q2| | B | B }|D �].}| �|�}|�sDt� d |� | j j ||d�}|du �r�|�s�| j j |dd�}|du �r�t� d |� |�d|f� n^|j|j }}||f| jv�r|�|� |�|� || v �rD||v �rD|�|� t� d|j� |D ]R}|j} | | jv�rv| j�|t� ��|� n"| j| } | |k�rH| �|| |� �qH�qnq�t| j�� �}|D ]&}||v|_ |j �r�t� d|j� �q�t� d|� ||fS )a� Find a distribution and all distributions it depends on. :param requirement: The requirement specifying the distribution to find, or a Distribution instance. :param meta_extras: A list of meta extras such as :test:, :build: and so on. :param prereleases: If ``True``, allow pre-release versions to be returned - otherwise, don't return prereleases unless they're all that's available. Return a set of :class:`Distribution` instances and a set of problems. The distributions returned should be such that they have the :attr:`required` attribute set to ``True`` if they were from the ``requirement`` passed to ``find()``, and they have the :attr:`build_time_dependency` attribute set to ``True`` unless they are post-installation dependencies of the ``requirement``. 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Equivalent to distutils.filelist, but fixes some problems. � N� )�DistlibException)�fsdecode�� convert_path�Manifestz\\w* z#.*?(?= )| (?=$)� c @ sz e Zd ZdZd dd�Zdd� Zdd� Zd d � Zd d d �Zdd� Z dd� Z dd� Z d dd�Z d dd�Z d!dd�Zdd � ZdS )"r z~A list of files built by on exploring the filesystem and filtered by applying various patterns to what we find there. Nc C s> t j�t j�|pt �� ��| _| jt j | _d| _t � | _ dS )zd Initialise an instance. :param base: The base directory to explore under. 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FNT)�_translate_patternr r( �searchr r* )r rP rA r �is_regexrQ � pattern_rer% r r r rJ s zManifest._include_patternc C sB d}| � ||||�}t| j�D ] }|�|�r | j�|� d}q |S )at Remove strings (presumably filenames) from 'files' that match 'pattern'. Other parameters are the same as for 'include_pattern()', above. The list 'self.files' is modified in place. Return True if files are found. This API is public to allow e.g. exclusion of SCM subdirs, e.g. when packaging source distributions FT)rX �listr rY �remove)r rP rA r rZ rQ r[ r> r r r rK ) s zManifest._exclude_patternc C sv |r t |t�rt�|�S |S tdkr:| �d��d�\}}}|rR| �|�}tdkrVnd}t�tj � | j d��} |du�r4tdkr�| �d�} | �|�dt | � � } n&| �|�} | t |�t | �t |� � } tj } tj dkr�d} tdk�rd| | � | d| f� }n0|t |�t |�t |� � }d || | | ||f }n8|�rltdk�rRd| | }nd || |t |�d� f }t�|�S ) a Translate a shell-like wildcard pattern to a compiled regular expression. Return the compiled regex. 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FNT)�_translate_patternr r( �searchr r* )r rR rC r �is_regexrS � pattern_rer% r r r rL s zManifest._include_patternc C sB d}| � ||||�}t| j�D ] }|�|�r | j�|� d}q |S )at Remove strings (presumably filenames) from 'files' that match 'pattern'. Other parameters are the same as for 'include_pattern()', above. The list 'self.files' is modified in place. Return True if files are found. This API is public to allow e.g. exclusion of SCM subdirs, e.g. when packaging source distributions FT)rZ �listr r[ �remove)r rR rC r r\ rS r] r@ r r r rM ) s zManifest._exclude_patternc C s� |r t |t�rt�|�S |S tdkr:| �d��d�\}}}|rj| �|�}tdkrn|�|�rd|�|�snJ �nd}t� t j � | j d��} |du�rftdkr�| �d�} | �|�dt| � � } n>| �|�} | �|�r�| �|�s�J �| t|�t| �t|� � } t j} t jdk�rd} tdk�r4d| | � | d| f� }n0|t|�t|�t|� � }d || | | ||f }n8|�r�tdk�r�d| | }nd || |t|�d� f }t�|�S ) a Translate a shell-like wildcard pattern to a compiled regular expression. Return the compiled regex. 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This is not a property to make it obvious that it returns a new stream each time. )r � get_stream�r r r r � as_streamU s zResource.as_streamc C s t d u rt� a t �| �S r+ )�cacher r% r/ r r r � file_path^ s zResource.file_pathc C s | j �| �S r+ )r � get_bytesr/ r r r r! e s zResource.bytesc C s | j �| �S r+ )r �get_sizer/ r r r �sizei s z Resource.sizeN) r& r' r( �__doc__� is_containerr0 r r2 r! r5 r r r r r- M s r- c @ s e Zd ZdZedd� �ZdS )�ResourceContainerTc C s | j �| �S r+ )r � get_resourcesr/ r r r � resourcesq s zResourceContainer.resourcesN)r& r' r( r7 r r: r r r r r8 n s r8 c @ s� e Zd ZdZej�d�r dZndZdd� Zdd� Z d d � Z d d � Z d d� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zeejj�Zdd � Zd S ) �ResourceFinderz4 Resource finder for file system resources. �java)�.pyc�.pyoz.class)r= r> c C s. || _ t|dd �| _tj�t|dd��| _d S )N� __loader__�__file__� )�module�getattr�loaderr r r r )r rB r r r r � s zResourceFinder.__init__c C s t j�|�S r+ )r r �realpath�r r r r r � _adjust_path� s zResourceFinder._adjust_pathc C sB t |t�rd}nd}|�|�}|�d| j� tjj|� }| �|�S )N� /�/r ) � isinstancer! �split�insertr r r r rG )r � resource_name�sep�partsr# r r r � _make_path� s zResourceFinder._make_pathc C s t j�|�S r+ )r r r rF r r r �_find� s zResourceFinder._findc C s d |j fS r+ )r �r r r r r r � s z ResourceFinder.get_cache_infoc C sD | � |�}| �|�sd }n&| �|�r0t| |�}n t| |�}||_|S r+ )rP rQ � _is_directoryr8 r- r )r rM r r# r r r �find� s zResourceFinder.findc C s t |jd�S �N�rb)r r rR r r r r. � s zResourceFinder.get_streamc C s8 t |jd��}|�� W d � S 1 s*0 Y d S rU )r r �read)r r r$ r r r r3 � s zResourceFinder.get_bytesc C s t j�|j�S r+ )r r �getsizerR r r r r4 � s zResourceFinder.get_sizec s* �fdd�� t � fdd�t�|j�D ��S )Nc s | dko| � � j� S )N� __pycache__)�endswith�skipped_extensions)r$ r/ r r �allowed� s �z-ResourceFinder.get_resources.<locals>.allowedc s g | ]}� |�r|�qS r r )�.0r$ )r\ r r � <listcomp>� � z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr rR r )r\ r r r9 � s z ResourceFinder.get_resourcesc C s | � |j�S r+ )rS r rR r r r r7 � s zResourceFinder.is_containerc c s� | � |�}|d ur�|g}|r�|�d�}|V |jr|j}|jD ]>}|sL|}nd�||g�}| � |�}|jrv|�|� q>|V q>qd S )Nr rI )rT �popr7 r, r: r �append)r rM r ZtodoZrnamer, �new_name�childr r r �iterator� s zResourceFinder.iteratorN)r& r' r( r6 �sys�platform� startswithr[ r rG rP rQ r rT r. r3 r4 r9 r7 � staticmethodr r r rS rf r r r r r; v s" r; c s` e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z � Z S )�ZipResourceFinderz6 Resource finder for resources in .zip files. c sZ t t| ��|� | jj}dt|� | _t| jd�r>| jj| _n t j | | _t | j�| _ d S )Nr �_files) r rk r rD �archive�len� prefix_len�hasattrrl � zipimport�_zip_directory_cache�sorted�index)r rB rm r r r r � s zZipResourceFinder.__init__c C s |S r+ r rF r r r rG � s z ZipResourceFinder._adjust_pathc C s� || j d � }|| jv r d}nV|r:|d tjkr:|tj }t�| j|�}z| j| �|�}W n tyr d}Y n0 |s�t� d|| j j � nt� d|| j j � |S )NT���Fz_find failed: %r %rz_find worked: %r %r) ro rl r rN �bisectrt ri � IndexError�logger�debugrD r" )r r r# �ir r r rQ � s zZipResourceFinder._findc C s& | j j}|jdt|� d � }||fS )Nr )rD rm r rn )r r r" r r r r r � s z ZipResourceFinder.get_cache_infoc C s | j �|j�S r+ )rD �get_datar rR r r r r3 � s zZipResourceFinder.get_bytesc C s t �| �|��S r+ )�io�BytesIOr3 rR r r r r. � s z ZipResourceFinder.get_streamc C s |j | jd � }| j| d S )N� )r ro rl r r r r r4 � s zZipResourceFinder.get_sizec C s� |j | jd � }|r,|d tjkr,|tj7 }t|�}t� }t�| j|�}|t| j�k r�| j| �|�shq�| j| |d � }|� |� tjd�d � |d7 }qH|S )Nru r r ) r ro r rN rn r` rv rt ri �addrK )r r r �plenr# rz �sr r r r9 s z ZipResourceFinder.get_resourcesc C sh || j d � }|r*|d tjkr*|tj7 }t�| j|�}z| j| �|�}W n tyb d}Y n0 |S )Nru F)ro r rN rv rt ri rw )r r rz r# r r r rS s z ZipResourceFinder._is_directory)r& r' r( r6 r rG rQ r r3 r. r4 r9 rS r) r r r r rk � s rk c C s |t t| �< d S r+ )�_finder_registry�type)rD � finder_makerr r r �register_finder2 s r� c C s� | t v rt | }nv| tjvr$t| � tj| }t|dd�}|du rJtd��t|dd�}t�t|��}|du rxtd| ��||�}|t | < |S )z� Return a resource finder for a package. :param package: The name of the package. :return: A :class:`ResourceFinder` instance for the package. �__path__Nz8You cannot get a finder for a module, only for a packager? z Unable to locate finder for %r) � _finder_cacherg �modules� __import__rC r r� r% r� )�packager# rB r rD r� r r r r 9 s r Z __dummy__c C sR d}t �| � tj�| �}t�t|��}|rNt}tj � | d�|_ ||_ ||�}|S )z� Return a resource finder for a path, which should represent a container. :param path: The path. :return: A :class:`ResourceFinder` instance for the path. NrA ) �pkgutil� get_importerrg �path_importer_cacher% r� r� � _dummy_moduler r r r@ r? )r r# rD r rB r r r �finder_for_pathU s r� )-Z __future__r rv r| Zloggingr r� rg �typesrq rA r �utilr r r Z getLoggerr& rx r1 r �objectr* r- r8 r; rk r� � zipimporterr� �_frozen_importlib_externalZ_fi� ImportError�_frozen_importlib�SourceFileLoader� FileFinder�SourcelessFileLoader�AttributeErrorr� r� r � ModuleTyper r� r� r r r r �<module> sJ ,!ZO� _vendor/distlib/__pycache__/resources.cpython-39.pyc 0000644 00000025336 15114542003 0016511 0 ustar 00 a [��fD* � @ s� d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dl Z ddl m Z ddl m Z mZmZ e�e�ZdaG dd� de�ZG dd � d e�ZG d d � d e�ZG d d � d e�ZG dd� de�ZG dd� de�Zed�ee j eiZ zNz d dl Z W n e �y d dl!Z Y n0 ee e j"< ee e j#< ee e j$< [ W n e e%f�yR Y n0 dd� Z&i Z'dd� Z(e�)e*d��Z+dd� Z,dS )� )�unicode_literalsN� )�DistlibException)�cached_property�get_cache_base�Cachec s. e Zd Zd� fdd� Zdd� Zdd� Z� ZS ) � ResourceCacheNc s0 |d u r t j�t� td��}tt| ��|� d S )Nzresource-cache)�os�path�joinr �str�superr �__init__)�self�base�� __class__� �A/usr/lib/python3.9/site-packages/pip/_vendor/distlib/resources.pyr s zResourceCache.__init__c C s dS )z� Is the cache stale for the given resource? :param resource: The :class:`Resource` being cached. :param path: The path of the resource in the cache. :return: True if the cache is stale. 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This is not a property to make it obvious that it returns a new stream each time. )r � get_stream�r r r r � as_streamU s zResource.as_streamc C s t d u rt� a t �| �S r+ )�cacher r% r/ r r r � file_path^ s zResource.file_pathc C s | j �| �S r+ )r � get_bytesr/ r r r r! e s zResource.bytesc C s | j �| �S r+ )r �get_sizer/ r r r �sizei s z Resource.sizeN) r& r' r( �__doc__� is_containerr0 r r2 r! r5 r r r r r- M s r- c @ s e Zd ZdZedd� �ZdS )�ResourceContainerTc C s | j �| �S r+ )r � get_resourcesr/ r r r � resourcesq s zResourceContainer.resourcesN)r& r' r( r7 r r: r r r r r8 n s r8 c @ s� e Zd ZdZej�d�r dZndZdd� Zdd� Z d d � Z d d � Z d d� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zeejj�Zdd � Zd S ) �ResourceFinderz4 Resource finder for file system resources. �java)�.pyc�.pyoz.class)r= r> c C s. || _ t|dd �| _tj�t|dd��| _d S )N� __loader__�__file__� )�module�getattr�loaderr r r r )r rB r r r r � s zResourceFinder.__init__c C s t j�|�S r+ )r r �realpath�r r r r r � _adjust_path� s zResourceFinder._adjust_pathc C sB t |t�rd}nd}|�|�}|�d| j� tjj|� }| �|�S )N� /�/r ) � isinstancer! �split�insertr r r r rG )r � resource_name�sep�partsr# r r r � _make_path� s zResourceFinder._make_pathc C s t j�|�S r+ )r r r rF r r r �_find� s zResourceFinder._findc C s d |j fS r+ )r �r r r r r r � s z ResourceFinder.get_cache_infoc C sD | � |�}| �|�sd }n&| �|�r0t| |�}n t| |�}||_|S r+ )rP rQ � _is_directoryr8 r- r )r rM r r# r r r �find� s zResourceFinder.findc C s t |jd�S �N�rb)r r rR r r r r. � s zResourceFinder.get_streamc C s8 t |jd��}|�� W d � S 1 s*0 Y d S rU )r r �read)r r r$ r r r r3 � s zResourceFinder.get_bytesc C s t j�|j�S r+ )r r �getsizerR r r r r4 � s zResourceFinder.get_sizec s* �fdd�� t � fdd�t�|j�D ��S )Nc s | dko| � � j� S )N� __pycache__)�endswith�skipped_extensions)r$ r/ r r �allowed� s �z-ResourceFinder.get_resources.<locals>.allowedc s g | ]}� |�r|�qS r r )�.0r$ )r\ r r � <listcomp>� � z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr rR r )r\ r r r9 � s z ResourceFinder.get_resourcesc C s | � |j�S r+ )rS r rR r r r r7 � s zResourceFinder.is_containerc c s� | � |�}|d ur�|g}|r�|�d�}|V |jr|j}|jD ]>}|sL|}nd�||g�}| � |�}|jrv|�|� q>|V q>qd S )Nr rI )rT �popr7 r, r: r �append)r rM r ZtodoZrnamer, �new_name�childr r r �iterator� s zResourceFinder.iteratorN)r& r' r( r6 �sys�platform� startswithr[ r rG rP rQ r rT r. r3 r4 r9 r7 � staticmethodr r r rS rf r r r r r; v s" r; c s` e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z � Z S )�ZipResourceFinderz6 Resource finder for resources in .zip files. c sZ t t| ��|� | jj}dt|� | _t| jd�r>| jj| _n t j | | _t | j�| _ d S )Nr �_files) r rk r rD �archive�len� prefix_len�hasattrrl � zipimport�_zip_directory_cache�sorted�index)r rB rm r r r r � s zZipResourceFinder.__init__c C s |S r+ r rF r r r rG � s z ZipResourceFinder._adjust_pathc C s� || j d � }|| jv r d}nV|r:|d tjkr:|tj }t�| j|�}z| j| �|�}W n tyr d}Y n0 |s�t� d|| j j � nt� d|| j j � |S )NT���Fz_find failed: %r %rz_find worked: %r %r) ro rl r rN �bisectrt ri � IndexError�logger�debugrD r" )r r r# �ir r r rQ � s zZipResourceFinder._findc C s& | j j}|jdt|� d � }||fS )Nr )rD rm r rn )r r r" r r r r r � s z ZipResourceFinder.get_cache_infoc C s | j �|j�S r+ )rD �get_datar rR r r r r3 � s zZipResourceFinder.get_bytesc C s t �| �|��S r+ )�io�BytesIOr3 rR r r r r. � s z ZipResourceFinder.get_streamc C s |j | jd � }| j| d S )N� )r ro rl r r r r r4 � s zZipResourceFinder.get_sizec C s� |j | jd � }|r,|d tjkr,|tj7 }t|�}t� }t�| j|�}|t| j�k r�| j| �|�shq�| j| |d � }|� |� tjd�d � |d7 }qH|S )Nru r r ) r ro r rN rn r` rv rt ri �addrK )r r r �plenr# rz �sr r r r9 s z ZipResourceFinder.get_resourcesc C sh || j d � }|r*|d tjkr*|tj7 }t�| j|�}z| j| �|�}W n tyb d}Y n0 |S )Nru F)ro r rN rv rt ri rw )r r rz r# r r r rS s z ZipResourceFinder._is_directory)r& r' r( r6 r rG rQ r r3 r. r4 r9 rS r) r r r r rk � s rk c C s |t t| �< d S r+ )�_finder_registry�type)rD � finder_makerr r r �register_finder2 s r� c C s� | t v rt | }nv| tjvr$t| � tj| }t|dd�}|du rJtd��t|dd�}t�t|��}|du rxtd| ��||�}|t | < |S )z� Return a resource finder for a package. :param package: The name of the package. :return: A :class:`ResourceFinder` instance for the package. �__path__Nz8You cannot get a finder for a module, only for a packager? z Unable to locate finder for %r) � _finder_cacherg �modules� __import__rC r r� r% r� )�packager# rB r rD r� r r r r 9 s r Z __dummy__c C sR d}t �| � tj�| �}t�t|��}|rNt}tj � | d�|_ ||_ ||�}|S )z� Return a resource finder for a path, which should represent a container. :param path: The path. :return: A :class:`ResourceFinder` instance for the path. 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Note that this test is not very accurate: files created in the same second will have the same "age". zfile '%r' does not existT)rc rd �existsr �abspath�stat�st_mtime)r� �source�targetr, r, r- �newer� s � zFileOperator.newerTc C s� | � tj�|�� t�d||� | js�d}|rdtj�|�rDd| }n tj�|�rdtj� |�sdd| }|rtt |d ��t � ||� | � |� dS )z8Copy a file respecting dry-run and force flags. zCopying %s to %sNz%s is a symlinkz%s is a non-regular filez which would be overwritten)� ensure_dirrc rd �dirname�logger�infor� �islinkr� �isfiler� r �copyfiler� )r� Zinfile�outfile�check�msgr, r, r- � copy_file s zFileOperator.copy_fileNc C s| | � tj�|�� t�d||� | jsn|d u r:t|d�}ntj|d|d�}zt � ||� W |� � n |� � 0 | � |� d S )NzCopying stream %s to %s�wb�w��encoding) r� rc rd r� r� r� r� �openr� r � copyfileobjr� r� )r� Zinstreamr� r� Z outstreamr, r, r- � copy_stream s zFileOperator.copy_streamc C sp | � tj�|�� | jsbtj�|�r.t�|� t|d��}|�|� W d � n1 sX0 Y | � |� d S )Nr� ) r� rc rd r� r� r� r� r� r� r� )r� rd r� �fr, r, r- �write_binary_file' s (z FileOperator.write_binary_filec C s | � ||�|�� d S rv )r� �encode)r� rd r� r� r, r, r- �write_text_file0 s z FileOperator.write_text_filec C sn t jdks t jdkrjt jdkrj|D ]F}| jr:t�d|� q"t �|�j|B |@ }t�d||� t �||� q"d S )N�posix�javazchanging mode of %szchanging mode of %s to %o) rc rQ �_namer� r� r� r� �st_mode�chmod)r� �bits�mask�filesr� �moder, r, r- �set_mode3 s zFileOperator.set_modec C s | � dd|�S )Nim i� )r� )r+ r� r, r, r- �<lambda>? rP zFileOperator.<lambda>c C s| t j�|�}|| jvrxt j�|�sx| j�|� t j�|�\}}| �|� t� d| � | j sft � |� | j rx| j �|� d S )Nz Creating %s)rc rd r� r� r� r� r� r� r� r� r� �mkdirr� r� )r� rd r� r� r, r, r- r� A s zFileOperator.ensure_dirc C s� t || �}t�d||� | js�|s0| �||�rJ|s:d }n|t|�d � }i }|rhttd�rhtjj |d< tj |||dfi |�� | � |� |S )NzByte-compiling %s to %s�PycInvalidationMode�invalidation_modeT) r r� r� r� r� rf rq � py_compiler� � CHECKED_HASH�compiler� ) r� rd �optimize�forcern Zhashed_invalidationZdpathZdiagpathZcompile_kwargsr, r, r- � byte_compileM s zFileOperator.byte_compilec C s� t j�|�r�t j�|�r^t j�|�s^t�d|� | js@t� |� | j r�|| j v r�| j � |� nPt j�|�rpd}nd}t�d||� | js�t � |� | j r�|| j v r�| j � |� d S )Nz Removing directory tree at %s�link�filezRemoving %s %s)rc rd r� �isdirr� r� �debugr� r r� r� r� r� r� )r� rd r+ r, r, r- �ensure_removed^ s" zFileOperator.ensure_removedc C sD d}|s@t j�|�r$t �|t j�}q@t j�|�}||kr:q@|}q|S r� )rc rd r� �access�W_OKr� )r� rd r( �parentr, r, r- � is_writables s zFileOperator.is_writablec C s | j | jf}| �� |S )zV Commit recorded changes, turn off recording, return changes. )r� r� r� )r� r( r, r, r- �commit s zFileOperator.commitc C s� | j sxt| j�D ]}tj�|�rt�|� qt| jdd�}|D ]8}t� |�}|rltj� ||d �}t� |� t� |� q>| � � d S )NT)�reverser ) r� �listr� rc rd r� r� �sortedr� �listdirr$ �rmdirr� )r� r� �dirsr� �flist�sdr, r, r- �rollback� s zFileOperator.rollback)F)T)N)FFNF)r� r� r� r� r� r� r� r� r� r� r� r� Zset_executable_moder� r r r r r r, r, r, r- r� � s r� c C s^ | t jv rt j| }nt| �}|d u r,|}n.|�d�}t||�d��}|D ]}t||�}qJ|S )N�.r )rr �modules� __import__r� rs ri )Z module_nameZ dotted_path�modr( r* r} r, r, r- �resolve� s r c @ s6 e Zd Zdd� Zedd� �Zdd� Zdd� Zej Z d S ) � ExportEntryc C s || _ || _|| _|| _d S rv �rQ rn rl r� )r� rQ rn rl r� r, r, r- r� � s zExportEntry.__init__c C s t | j| j�S rv )r rn rl r� r, r, r- r� � s zExportEntry.valuec C s d| j | j| j| jf S )Nz<ExportEntry %s = %s:%s %s>r r� r, r, r- �__repr__� s �zExportEntry.__repr__c C sD t |t�sd}n0| j|jko>| j|jko>| j|jko>| j|jk}|S r� )rx r rQ rn rl r� )r� �otherr( r, r, r- �__eq__� s � � �zExportEntry.__eq__N) r� r� r� r� r� r� r r r� �__hash__r, r, r, r- r � s r z�(?P<name>(\w|[-.+])+) \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? c C s� t �| �}|s0d }d| v s"d| v r�td| ��n�|�� }|d }|d }|�d�}|dkrf|d }}n"|dkrztd| ��|�d�\}}|d } | d u r�d| v s�d| v r�td| ��g } nd d � | �d �D �} t|||| �}|S ) NrA rB zInvalid specification '%s'rQ �callable�:r r r� c S s g | ] }|� � �qS r, �rU )rN r� r, r, r- rO � rP z$get_export_entry.<locals>.<listcomp>rC )�ENTRY_RE�searchr � groupdict�countr� r ) Z specificationr' r( r� rQ rd Zcolonsrn rl r� r, r, r- r� � s8 � ��r� c C s� | du r d} t jdkr.dt jv r.t j�d�}n t j�d�}t j�|�rft �|t j�}|s�t � d|� n:zt � |� d}W n& t y� t j d |dd � d }Y n0 |s�t �� }t � d |� t j�|| �S ) a� Return the default base location for distlib caches. If the directory does not exist, it is created. Use the suffix provided for the base directory, and default to '.distlib' if it isn't provided. On Windows, if LOCALAPPDATA is defined in the environment, then it is assumed to be a directory, and will be the parent directory of the result. On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home directory - using os.expanduser('~') - will be the parent directory of the result. The result is just the directory '.distlib' in the parent directory as determined above, or with the name specified with ``suffix``. Nz.distlib�ntZ LOCALAPPDATAz $localappdata�~z(Directory exists but is not writable: %sTzUnable to create %s)�exc_infoFz#Default location unusable, using %s)rc rQ �environrd � expandvars� expanduserr r r r� �warning�makedirs�OSErrorr� r� r$ )rl r( Zusabler, r, r- �get_cache_base� s& r1 c C sB t j�t j�| ��\}}|r(|�dd�}|�t jd�}|| d S )a Convert an absolute path to a directory name for use in a cache. The algorithm used is: #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. #. Any occurrence of ``os.sep`` is replaced with ``'--'``. #. ``'.cache'`` is appended. r" z---z--z.cache)rc rd � splitdriver� r! re )rd r� r} r, r, r- �path_to_cache_dir s r3 c C s | � d�s| d S | S ra )�endswith)r+ r, r, r- � ensure_slash$ s r5 c C s` d }}d| v r>| � dd�\}} d|vr.|}n|�dd�\}}|rJt|�}|rVt|�}||| fS )NrD r r" )�rsplitr� r )rZ �username�passwordrn r, r, r- �parse_credentials* s r9 c C s t �d�} t �| � | S )N� )rc �umaskrt r, r, r- �get_process_umask9 s r< c C s0 d}d }t | �D ]\}}t|t�sd} q,q|S )NTF)� enumeraterx r )�seqr( r] r+ r, r, r- �is_string_sequence> s r? z3([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-([a-z0-9_.+-]+)z -py(\d\.?\d?)c C s� d}d}t | ��dd�} t�| �}|r@|�d�}| d|�� � } |r�t| �t|�d kr�t�t� |�d | �}|r�|� � }| d|� | |d d� |f}|du r�t �| �}|r�|�d�|�d�|f}|S )zw Extract name, version, python version from a filename (no extension) Return name, version, pyver or None N� �-r z\br� ) r r! �PYTHON_VERSIONr% r� �startrf �rer �escaper �PROJECT_NAME_AND_VERSION)�filenameZ project_namer( Zpyverr' �nr, r, r- �split_filenameM s" rI z-(?P<name>[\w .-]+)\s*\(\s*(?P<ver>[^\s)]+)\)$c C s: t �| �}|std| ��|�� }|d �� �� |d fS )z� A utility method used to get name and version from a string. From e.g. a Provides-Dist value. :param p: A value in a form 'foo (1.0)' :return: The name and version as a tuple. z$Ill-formed name/version string: '%s'rQ Zver)�NAME_VERSION_REr r r& rU rz )r} r' r� r, r, r- �parse_name_and_versioni s rK c C s� t � }t | pg �} t |pg �}d| v r8| �d� ||O }| D ]x}|dkrT|�|� q<|�d�r�|dd � }||vr�t�d| � ||v r�|�|� q<||vr�t�d| � |�|� q<|S )N�*rA r zundeclared extra: %s)r� r� r� rV r� r. )Z requestedZ availabler( �rZunwantedr, r, r- � get_extrasx s& rN c C s� i }zNt | �}|�� }|�d�}|�d�s8t�d|� nt�d�|�}t� |�}W n2 t y� } zt� d| |� W Y d }~n d }~0 0 |S )Nz Content-Typezapplication/jsonz(Unexpected response for JSON request: %sr� z&Failed to get external data for %s: %s) r r� �getrV r� r r� r� r� r� r� � exception)rT r( ZrespZheadersZct�reader�er, r, r- �_get_external_data� s $rS z'https://www.red-dove.com/pypi/projects/c C s* d| d � � | f }tt|�}t|�}|S )Nz%s/%s/project.jsonr ��upperr �_external_data_base_urlrS )rQ rT r( r, r, r- �get_project_data� s rW c C s( d| d � � | |f }tt|�}t|�S )Nz%s/%s/package-%s.jsonr rT )rQ �versionrT r, r, r- �get_package_data� s rY c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Cachez� A class implementing a cache for resources that need to live in the file system e.g. shared libraries. This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. c C sP t j�|�st �|� t �|�jd@ dkr6t�d|� t j�t j� |��| _ dS )zu Initialise an instance. :param base: The base directory where the cache should be located. �? r z Directory '%s' is not privateN) rc rd r r/ r� r� r� r. r� �normpathrk )r� rk r, r, r- r� � s zCache.__init__c C s t |�S )zN Converts a resource prefix to a directory name in the cache. )r3 )r� rn r, r, r- � prefix_to_dir� s zCache.prefix_to_dirc C s� g }t �| j�D ]p}t j�| j|�}z>t j�|�s>t j�|�rJt �|� nt j�|�r`t � |� W q t y~ |� |� Y q0 q|S )z" Clear the cache. ) rc r rk rd r$ r� r� r� r r r� r� r" )r� Z not_removed�fnr, r, r- �clear� s z Cache.clearN)r� r� r� �__doc__r� r] r_ r, r, r, r- rZ � s rZ c @ s: e Zd ZdZdd� Zddd�Zdd� Zd d � Zd d � Zd S )� EventMixinz1 A very simple publish/subscribe system. c C s i | _ d S rv )� _subscribersr� r, r, r- r� � s zEventMixin.__init__Tc C sD | j }||vr t|g�||< n"|| }|r6|�|� n |�|� dS )a` Add a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be added (and called when the event is published). :param append: Whether to append or prepend the subscriber to an existing subscriber list for the event. N)rb r r" � appendleft)r� �event� subscriberr" �subs�sqr, r, r- r� � s zEventMixin.addc C s, | j }||vrtd| ��|| �|� dS )z� Remove a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be removed. zNo subscribers: %rN)rb r� r� )r� rd re rf r, r, r- r� � s zEventMixin.removec C s t | j�|d��S )z� Return an iterator for the subscribers for an event. :param event: The event to return subscribers for. r, )�iterrb rO )r� rd r, r, r- �get_subscribers s zEventMixin.get_subscribersc O sp g }| � |�D ]J}z||g|�R i |��}W n tyL t�d� d}Y n0 |�|� qt�d||||� |S )a^ Publish a event and return a list of values returned by its subscribers. :param event: The event to publish. :param args: The positional arguments to pass to the event's subscribers. :param kwargs: The keyword arguments to pass to the event's subscribers. z"Exception during event publicationNz/publish %s: args = %s, kwargs = %s, result = %s)ri r� r� rP r" r )r� rd �args�kwargsr( re r� r, r, r- �publish s �zEventMixin.publishN)T) r� r� r� r` r� r� r� ri rl r, r, r, r- ra � s ra c @ s^ e Zd Zdd� Zdd� Zddd�Zdd � Zd d � Zd d � Zdd� Z e dd� �Z e dd� �Z dS )� Sequencerc C s i | _ i | _t� | _d S rv )�_preds�_succsr� �_nodesr� r, r, r- r� ( s zSequencer.__init__c C s | j �|� d S rv )rp r� �r� �noder, r, r- �add_node- s zSequencer.add_nodeFc C s� || j v r| j �|� |r�t| j�|d��D ]}| �||� q,t| j�|d��D ]}| �||� qPt| j�� �D ]\}}|sp| j|= qpt| j�� �D ]\}}|s�| j|= q�d S )Nr, )rp r� r� rn rO ro r r� )r� rr Zedgesr} r+ r� rI r, r, r- � remove_node0 s zSequencer.remove_nodec C s0 | j �|t� ��|� | j�|t� ��|� d S rv )rn � setdefaultr� r� ro )r� �pred�succr, r, r- r� @ s z Sequencer.addc C sx z| j | }| j| }W n ty6 td| ��Y n0 z|�|� |�|� W n" tyr td||f ��Y n0 d S )Nz %r not a successor of anythingz%r not a successor of %r)rn ro �KeyErrorr� r� )r� rv rw �predsZsuccsr, r, r- r� E s zSequencer.removec C s || j v p || jv p || jv S rv )rn ro rp )r� �stepr, r, r- �is_stepR s �zSequencer.is_stepc C s� | � |�std| ��g }g }t� }|�|� |r�|�d�}||v rb||kr�|�|� |�|� q.|�|� |�|� | j�|d�}|� |� q.t |�S )Nz Unknown: %rr r, ) r{ r� r� r" ri r� r� rn rO �extend�reversed)r� �finalr( Ztodo�seenrz ry r, r, r- � get_stepsV s" zSequencer.get_stepsc sR dg�g �i �i �g �| j � � ������fdd��� D ]}|�vr8�|� q8�S )Nr c s� �d �| < �d �| < �d d7 < �� | � z � | }W n tyT g }Y n0 |D ]J}|�vr��|� t�| �| ��| < qZ|�v rZt�| �| ��| < qZ�| �| kr�g }��� }|� |� || kr�q�q�t|�}�� |� d S )Nr r )r" r� �minri �tuple)rr Z successors� successorZconnected_componentZ component�Zgraph�indexZ index_counterZlowlinksr( �stack� strongconnectr, r- r� z s* z3Sequencer.strong_connections.<locals>.strongconnect)ro rq r, r� r- �strong_connectionso s " z Sequencer.strong_connectionsc C sf dg}| j D ]*}| j | }|D ]}|�d||f � q q | jD ]}|�d| � q>|�d� d�|�S )Nz digraph G {z %s -> %s;z %s;�}� )rn r" rp r$ )r� r( rw ry rv rr r, r, r- �dot� s z Sequencer.dotN)F) r� r� r� r� rs rt r� r� r{ r� �propertyr� r� r, r, r, r- rm ' s 2rm )�.tar.gz�.tar.bz2�.tar�.zip�.tgz�.tbz�.whlTc sh � �fdd�}t j�� �� t� ��d }|d u r�| �d�r>d}nH| �d�rRd}d}n4| �d�rfd }d }n | �d �rzd }d }n td| ��z�|dkr�t| d �}|r�|�� }|D ] }||� q�n*t� | |�}|r�|� � }|D ] }||� q�|dk�r*t j d dk �r*|� � D ]"} t| jt��s| j�d�| _�qdd� } | |_|�� � W |�rd|�� n|�rb|�� 0 d S )Nc sR t | t�s| �d�} tj�tj�� | ��}|�� �rB|� tjkrNt d| ��d S )Nr� z path outside destination: %r) rx r �decoderc rd r� r$ rV re r� )rd r} ��dest_dir�plenr, r- � check_path� s z unarchive.<locals>.check_path)r� r� �zip)r� r� Ztgzzr:gz)r� r� Ztbzzr:bz2r� �tarrM zUnknown format for %rr r� r� c S sF zt �| |�W S t jy@ } ztt|���W Y d}~n d}~0 0 dS )z:Run tarfile.tar_fillter, but raise the expected ValueErrorN)�tarfileZ tar_filterZ FilterErrorr� �str)�memberrd �excr, r, r- �extraction_filter� s z$unarchive.<locals>.extraction_filter)rc rd r� rf r4 r� r Znamelistr� r� Zgetnamesrr r� Z getmembersrx rQ r r� r� � extractallr� ) Zarchive_filenamer� �formatr� r� �archiver� �namesrQ �tarinfor� r, r� r- � unarchive� sP �r� c C s� t �� }t| �}t|d��d}t�| �D ]H\}}}|D ]8}tj�||�}||d� } tj�| |�} |�|| � q4q&W d � n1 s�0 Y |S )z*zip a directory tree into a BytesIO objectr� N) �io�BytesIOrf r rc �walkrd r$ r� ) Z directoryr( Zdlen�zfrg r r� rQ Zfull�relrm r, r, r- �zip_dir� s .r� )r �K�M�G�T�Pc @ sr e Zd ZdZddd�Zdd� Zdd � Zd d � Zd d � Ze dd� �Z e dd� �Z dd� Z e dd� �Z e dd� �ZdS )�ProgressZUNKNOWNr �d c C s( | | _ | _|| _d | _d| _d| _d S )Nr F)r� �cur�max�started�elapsed�done)r� ZminvalZmaxvalr, r, r- r� s zProgress.__init__c C s0 || _ t�� }| jd u r || _n || j | _d S rv )r� �timer� r� )r� ZcurvalZnowr, r, r- �update s zProgress.updatec C s | � | j| � d S rv )r� r� )r� Zincrr, r, r- � increment! s zProgress.incrementc C s | � | j� | S rv )r� r� r� r, r, r- rC % s zProgress.startc C s | j d ur| �| j � d| _d S )NT)r� r� r� r� r, r, r- �stop) s z Progress.stopc C s | j d u r| jS | j S rv )r� �unknownr� r, r, r- �maximum. s zProgress.maximumc C sD | j r d}n4| jd u r d}n$d| j| j | j| j }d| }|S )Nz100 %z ?? %g Y@z%3d %%)r� r� r� r� )r� r( rI r, r, r- � percentage2 s zProgress.percentagec C s: |dkr| j d u s | j| jkr$d}nt�dt�|��}|S )Nr z??:??:??z%H:%M:%S)r� r� r� r� �strftime�gmtime)r� Zdurationr( r, r, r- �format_duration= s zProgress.format_durationc C s� | j rd}| j}n^d}| jd u r&d}nJ| jdks<| j| jkrBd}n.t| j| j �}|| j| j }|d | j }d|| �|�f S )NZDonezETA r� r r z%s: %s)r� r� r� r� r� �floatr� )r� rn r^ r, r, r- �ETAF s z Progress.ETAc C sL | j dkrd}n| j| j | j }tD ]}|dk r6 q@|d }q&d||f S )Nr g i� g @�@z%d %sB/s)r� r� r� �UNITS)r� r( Zunitr, r, r- �speedY s zProgress.speedN)r r� )r� r� r� r� r� r� r� rC r� r� r� r� r� r� r� r, r, r, r- r� s r� z \{([^}]*)\}z[^/\\,{]\*\*|\*\*[^/\\,}]z^[^{]*\}|\{[^}]*$c C s< t �| �rd}t|| ��t�| �r4d}t|| ��t| �S )zAExtended globbing function that supports ** and {opt1,opt2,opt3}.z7invalid glob %r: recursive glob "**" must be used alonez2invalid glob %r: mismatching set marker '{' or '}')�_CHECK_RECURSIVE_GLOBr% r� �_CHECK_MISMATCH_SET�_iglob)� path_globr� r, r, r- r n s r c c s� t �| d�}t|�dkrT|\}}}|�d�D ]$}td�|||f��D ] }|V qDq,n�d| vrrt| �D ] }|V qdn~| �dd�\}}|dkr�d}|dkr�d}n|�d�}|�d�}t�|�D ]4\}}} tj � |�}ttj �||��D ] } | V q�q�d S ) Nr rC r z**r rL rb �\) � RICH_GLOBr� rf r� r$ � std_iglobr% rc r� rd r\ ) r� Zrich_path_globrn r� rl �itemrd Zradical�dirr� r^ r, r, r- r� y s( r� )� HTTPSHandler�match_hostname�CertificateErrorc @ s e Zd ZdZdZdd� ZdS )�HTTPSConnectionNTc C s^ t �| j| jf| j�}t| dd�r0|| _| �� tt d�sp| j rHt j }nt j }t j || j| j|t j| j d�| _n�t �t j�}tt d�r�| jt jO _| jr�|�| j| j� i }| j r�t j |_|j| j d� tt dd�r�| j|d< |j |fi |��| _| j �rZ| j�rZz$t| j�� | j� t�d | j� W n. t �yX | j� t j � | j� � � Y n0 d S ) NZ _tunnel_hostF� SSLContext)� cert_reqsZ ssl_version�ca_certs� OP_NO_SSLv2)ZcafileZHAS_SNIZserver_hostnamezHost verified: %s) r� Zcreate_connection�host�port�timeoutrs �sockZ_tunnelrq �sslr� Z CERT_REQUIREDZ CERT_NONEZ wrap_socketZkey_fileZ cert_fileZPROTOCOL_SSLv23r� �optionsr� Zload_cert_chainZ verify_modeZload_verify_locations� check_domainr� Z getpeercertr� r r� ZshutdownZ SHUT_RDWRr� )r� r� r� �contextrk r, r, r- �connect� sB � zHTTPSConnection.connect)r� r� r� r� r� r� r, r, r, r- r� � s r� c @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) r� Tc C s t �| � || _|| _d S rv )�BaseHTTPSHandlerr� r� r� )r� r� r� r, r, r- r� � s zHTTPSHandler.__init__c O s( t |i |��}| jr$| j|_| j|_|S )a This is called to create a connection instance. 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Any occurrence of ``os.sep`` is replaced with ``'--'``. #. ``'.cache'`` is appended. r# z---z--z.cache)rc rd � splitdriver� r! re )rd r� r} r, r, r- �path_to_cache_dir s r4 c C s | � d�s| d S | S ra )�endswith)r+ r, r, r- � ensure_slash$ s r6 c C s` d }}d| v r>| � dd�\}} d|vr.|}n|�dd�\}}|rJt|�}|rVt|�}||| fS )NrD r r# )�rsplitr� r )rZ �username�passwordrn r, r, r- �parse_credentials* s r: c C s t �d�} t �| � | S )N� )rc �umaskrt r, r, r- �get_process_umask9 s r= c C s< d}d }t | �D ]\}}t|t�sd} q,q|d us8J �|S )NTF)� enumeraterx r )�seqr( r] r+ r, r, r- �is_string_sequence> s r@ z3([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-([a-z0-9_.+-]+)z -py(\d\.?\d?)c C s� d}d}t | ��dd�} t�| �}|r@|�d�}| d|�� � } |r�t| �t|�d kr�t�t� |�d | �}|r�|� � }| d|� | |d d� |f}|du r�t �| �}|r�|�d�|�d�|f}|S )zw Extract name, version, python version from a filename (no extension) Return name, version, pyver or None N� �-r z\br� ) r r! �PYTHON_VERSIONr& r� �startrf �rer �escaper �PROJECT_NAME_AND_VERSION)�filenameZ project_namer( Zpyverr' �nr, r, r- �split_filenameM s" rJ z-(?P<name>[\w .-]+)\s*\(\s*(?P<ver>[^\s)]+)\)$c C s: t �| �}|std| ��|�� }|d �� �� |d fS )z� A utility method used to get name and version from a string. From e.g. a Provides-Dist value. :param p: A value in a form 'foo (1.0)' :return: The name and version as a tuple. z$Ill-formed name/version string: '%s'rQ Zver)�NAME_VERSION_REr r r' rU rz )r} r' r� r, r, r- �parse_name_and_versioni s rL c C s� t � }t | pg �} t |pg �}d| v r8| �d� ||O }| D ]x}|dkrT|�|� q<|�d�r�|dd � }||vr�t�d| � ||v r�|�|� q<||vr�t�d| � |�|� q<|S )N�*rB r zundeclared extra: %s)r� r� r� rV r� r/ )Z requestedZ availabler( �rZunwantedr, r, r- � get_extrasx s& rO c C s� i }zNt | �}|�� }|�d�}|�d�s8t�d|� nt�d�|�}t� |�}W n2 t y� } zt� d| |� W Y d }~n d }~0 0 |S )Nz Content-Typezapplication/jsonz(Unexpected response for JSON request: %sr� z&Failed to get external data for %s: %s) r r� �getrV r� r r� r� r� r� r� � exception)rT r( ZrespZheadersZct�reader�er, r, r- �_get_external_data� s $rT z'https://www.red-dove.com/pypi/projects/c C s* d| d � � | f }tt|�}t|�}|S )Nz%s/%s/project.jsonr ��upperr �_external_data_base_urlrT )rQ rT r( r, r, r- �get_project_data� s rX c C s( d| d � � | |f }tt|�}t|�S )Nz%s/%s/package-%s.jsonr rU )rQ �versionrT r, r, r- �get_package_data� s rZ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Cachez� A class implementing a cache for resources that need to live in the file system e.g. shared libraries. This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. c C sP t j�|�st �|� t �|�jd@ dkr6t�d|� t j�t j� |��| _ dS )zu Initialise an instance. :param base: The base directory where the cache should be located. �? r z Directory '%s' is not privateN) rc rd r� r0 r� r� r� r/ r� �normpathrk )r� rk r, r, r- r� � s zCache.__init__c C s t |�S )zN Converts a resource prefix to a directory name in the cache. )r4 )r� rn r, r, r- � prefix_to_dir� s zCache.prefix_to_dirc C s� g }t �| j�D ]p}t j�| j|�}z>t j�|�s>t j�|�rJt �|� nt j�|�r`t � |� W q t y~ |� |� Y q0 q|S )z" Clear the cache. ) rc r rk rd r$ r� r� r� r� r r� r� r" )r� Z not_removed�fnr, r, r- �clear� s z Cache.clearN)r� r� r� �__doc__r� r^ r` r, r, r, r- r[ � s r[ c @ s: e Zd ZdZdd� Zddd�Zdd� Zd d � Zd d � Zd S )� EventMixinz1 A very simple publish/subscribe system. c C s i | _ d S rv )� _subscribersr� r, r, r- r� � s zEventMixin.__init__Tc C sD | j }||vr t|g�||< n"|| }|r6|�|� n |�|� dS )a` Add a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be added (and called when the event is published). :param append: Whether to append or prepend the subscriber to an existing subscriber list for the event. 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s zProgress.incrementc C s | � | j� | S rv )r� r� r� r, r, r- rD % s zProgress.startc C s | j d ur| �| j � d| _d S )NT)r� r� r� r� r, r, r- �stop) s z Progress.stopc C s | j d u r| jS | j S rv )r� �unknownr� r, r, r- �maximum. s zProgress.maximumc C sD | j r d}n4| jd u r d}n$d| j| j | j| j }d| }|S )Nz100 %z ?? %g Y@z%3d %%)r� r� r� r� )r� r( rI r, r, r- � percentage2 s zProgress.percentagec C s: |dkr| j d u s | j| jkr$d}nt�dt�|��}|S )Nr z??:??:??z%H:%M:%S)r� r� r� r� �strftime�gmtime)r� Zdurationr( r, r, r- �format_duration= s zProgress.format_durationc C s� | j rd}| j}n^d}| jd u r&d}nJ| jdks<| j| jkrBd}n.t| j| j �}|| j| j }|d | j }d|| �|�f S )NZDonezETA r� r r z%s: %s)r� r� r� r� r� �floatr� )r� rn r^ r, r, r- �ETAF s z Progress.ETAc C sL | j dkrd}n| j| j | j }tD ]}|dk r6 q@|d }q&d||f S )Nr g i� g @�@z%d %sB/s)r� r� r� �UNITS)r� r( Zunitr, r, r- �speedY s zProgress.speedN)r r� )r� r� r� r� r� r� r� rD r� r� r� r� r� r� r� r, r, r, r- r� s r� z \{([^}]*)\}z[^/\\,{]\*\*|\*\*[^/\\,}]z^[^{]*\}|\{[^}]*$c C s< t �| �rd}t|| ��t�| �r4d}t|| ��t| �S )zAExtended globbing function that supports ** and {opt1,opt2,opt3}.z7invalid glob %r: recursive glob "**" must be used alonez2invalid glob %r: mismatching set marker '{' or '}')�_CHECK_RECURSIVE_GLOBr& r� �_CHECK_MISMATCH_SET�_iglob)� path_globr� r, r, r- r n s r c c s t �| d�}t|�dkrht|�dks,J |��|\}}}|�d�D ]$}td�|||f��D ] }|V qXq@n�d| vr�t| �D ] }|V qxn~| �dd�\}}|dkr�d}|dkr�d}n|�d�}|�d �}t�|�D ]4\}}} tj � |�}ttj �||��D ] } | V q�q�d S ) Nr r� rC r z**r rM rb �\) � RICH_GLOBr� rf r� r$ � std_iglobr% rc r� rd r] ) r� Zrich_path_globrn r� rl �itemrd Zradical�dirr� r_ r, r, r- r� y s* r� )� HTTPSHandler�match_hostname�CertificateErrorc @ s e Zd ZdZdZdd� ZdS )�HTTPSConnectionNTc C s^ t �| j| jf| j�}t| dd�r0|| _| �� tt d�sp| j rHt j }nt j }t j || j| j|t j| j d�| _n�t �t j�}tt d�r�| jt jO _| jr�|�| j| j� i }| j r�t j |_|j| j d� tt dd�r�| j|d< |j |fi |��| _| j �rZ| j�rZz$t| j�� | j� t�d | j� W n. t �yX | j� t j � | j� � � Y n0 d S ) NZ _tunnel_hostF� SSLContext)� cert_reqsZ ssl_version�ca_certs� OP_NO_SSLv2)ZcafileZHAS_SNIZserver_hostnamezHost verified: %s) r� Zcreate_connection�host�port�timeoutrs �sockZ_tunnelrq �sslr� Z CERT_REQUIREDZ CERT_NONEZ wrap_socketZkey_fileZ cert_fileZPROTOCOL_SSLv23r� �optionsr� Zload_cert_chainZ verify_modeZload_verify_locations� check_domainr� Z getpeercertr� r r� ZshutdownZ SHUT_RDWRr� )r� r� r� �contextrl r, r, r- �connect� sB � zHTTPSConnection.connect)r� r� r� r� r� r� r, r, r, r- r� � s r� c @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) r� Tc C s t �| � || _|| _d S rv )�BaseHTTPSHandlerr� r� r� )r� r� r� r, r, r- r� � s zHTTPSHandler.__init__c O s( t |i |��}| jr$| j|_| j|_|S )a This is called to create a connection instance. 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c C s | |kp| |k S r r r: r r r r> V r? c C s | |kp| |kS r r r: r r r r> W r? c C s | |kS r r r: r r r r> X r? c C s | |kS r r r: r r r r> Y r? c C s | |kp| |kS r r r: r r r r> [ r? c C s | |kS r r r: r r r r> \ r? )�<�>�<=�>=�==�===�~=�!=c C s t |�S r r r r r r r a s zMatcher.parse_requirementc C s� | j d u rtd��|�� | _}| �|�}|s:td| ��|j| _| j�� | _g }|jr�|jD ]d\}}|� d�r�|dvr�td| ��|d d� d }}| � |� n| � |�d }}|� |||f� q^t |�| _ d S ) Nz Please specify a version classz Not valid: %rz.*)rD rG z#'.*' not allowed for %r constraints���TF) � version_class� ValueErrorr r r �name�lower�key� constraints�endswith�append�tupler )r r �rZclist�opZvn�prefixr r r r d s* � zMatcher.__init__c C sx t |t�r| �|�}| jD ]X\}}}| j�|�}t |t�rDt| |�}|s`d|| jjf }t |��||||�s dS qdS )z� Check if the provided version matches the constraints. :param version: The version to match against this instance. :type version: String or :class:`Version` instance. z%r not implemented for %sFT) � isinstancer rI r � _operators�get�getattrr3 r r )r �version�operator� constraintrT �f�msgr r r �match� s � z Matcher.matchc C s6 d }t | j�dkr2| jd d dv r2| jd d }|S )Nr r )rD rE )�lenr )r �resultr r r � exact_version� s zMatcher.exact_versionc C s0 t | �t |�ks | j|jkr,td| |f ��d S )Nzcannot compare %s and %s)r! rK r" r# r r r r% � s zMatcher._check_compatiblec C s" | � |� | j|jko | j|jkS r )r% rM r r# r r r r' � s zMatcher.__eq__c C s | � |� S r r( r# r r r r) � s zMatcher.__ne__c C s t | j�t | j� S r )r/ rM r r0 r r r r1 � s zMatcher.__hash__c C s d| j j| jf S )Nz%s(%r)r2 r0 r r r r4 � s zMatcher.__repr__c C s | j S r r5 r0 r r r r6 � s zMatcher.__str__)r r r rI rV r r r^ r8 ra r% r' r) r1 r4 r6 r r r r r9 O s* � r9 zk^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?(\.(post)(\d+))?(\.(dev)(\d+))?(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$c C s� | � � } t�| �}|s"td| ��|�� }tdd� |d �d�D ��}t|�dkrl|d dkrl|d d� }qF|d szd}nt|d d d� �}|dd � }|d d � }|d d � }|d }|dkr�d}n|d t|d �f}|dkr�d}n|d t|d �f}|dk�rd}n|d t|d �f}|d u �r2d}nHg } |�d�D ]0} | � � �r\dt| �f} nd| f} | � | � �q@t| �}|�s�|�s�|�r�d}nd}|�s�d}|�s�d}||||||fS )NzNot a valid version: %sc s s | ]}t |�V qd S r ��int��.0r; r r r � <genexpr>� r? z _pep_440_key.<locals>.<genexpr>r �.���r � � � � � � � )NNr )�arh )�z)�_)�final) r �PEP440_VERSION_REr^ r �groupsrQ �splitr_ rc �isdigitrP ) r �mru ZnumsZepoch�preZpost�dev�localr �partr r r � _pep_440_key� sT r} c @ s0 e Zd ZdZdd� Zeg d��Zedd� �ZdS )r aI A rational version. Good: 1.2 # equivalent to "1.2.0" 1.2.0 1.2a1 1.2.3a2 1.2.3b1 1.2.3c1 1.2.3.4 TODO: fill this out Bad: 1 # minimum two numbers 1.2a # release level must have a release serial 1.2.3b c C s< t |�}t�|�}|�� }tdd� |d �d�D ��| _|S )Nc s s | ]}t |�V qd S r rb rd r r r rf r? z*NormalizedVersion.parse.<locals>.<genexpr>r rg )�_normalized_keyrt r^ ru rQ rv �_release_clause)r r r` rx ru r r r r s zNormalizedVersion.parse)rp �br< �rcrz c s t � fdd�� jD ��S )Nc 3 s | ]}|r|d � j v V qdS )r N)� PREREL_TAGS)re �tr0 r r rf r? z2NormalizedVersion.is_prerelease.<locals>.<genexpr>)�anyr r0 r r0 r r7 s z NormalizedVersion.is_prereleaseN) r r r r r �setr� r8 r7 r r r r r � s r c C s> t | �} t |�}| |kr dS | �|�s*dS t|�}| | dkS )NTFrg )�str� startswithr_ )�x�y�nr r r � _match_prefix s r� c @ sn e Zd ZeZddddddddd �Zd d � Zd d � Zdd� Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zd S ) r �_match_compatible� _match_lt� _match_gt� _match_le� _match_ge� _match_eq�_match_arbitrary� _match_ne)rF r@ rA rB rC rD rE rG c C sV |rd|vo|j d }n|j d o,|j d }|rN|j�dd�d }| �|�}||fS )N�+rh r r )r r rv rI )r rY r[ rT Z strip_localr r r r � _adjust_local6 s z NormalizedMatcher._adjust_localc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r �r� �re �ir r r � <listcomp>I r? z/NormalizedMatcher._match_lt.<locals>.<listcomp>�r� r �joinr� �r rY r[ rT Zrelease_clauseZpfxr r r r� D s zNormalizedMatcher._match_ltc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r r� r� r r r r� Q r? z/NormalizedMatcher._match_gt.<locals>.<listcomp>r� r� r r r r� L s zNormalizedMatcher._match_gtc C s | � |||�\}}||kS r �r� �r rY r[ rT r r r r� T s zNormalizedMatcher._match_lec C s | � |||�\}}||kS r r� r� r r r r� X s zNormalizedMatcher._match_gec C s. | � |||�\}}|s ||k}n t||�}|S r �r� r� �r rY r[ rT r` r r r r� \ s zNormalizedMatcher._match_eqc C s t |�t |�kS r r� r� r r r r� d s z"NormalizedMatcher._match_arbitraryc C s0 | � |||�\}}|s ||k}n t||� }|S r r� r� r r r r� g s zNormalizedMatcher._match_nec C sf | � |||�\}}||kr dS ||k r*dS |j}t|�dkrH|d d� }d�dd� |D ��}t||�S )NTFr rh rg c S s g | ] }t |��qS r r� r� r r r r� z r? z7NormalizedMatcher._match_compatible.<locals>.<listcomp>)r� r r_ r� r� r� r r r r� o s z#NormalizedMatcher._match_compatibleN)r r r r rI rV r� r� r� r� r� r� r� r� r� r r r r r ' s& � r z[.+-]$� z^[.](\d)z0.\1z^[.-]z ^\((.*)\)$�\1z^v(ersion)?\s*(\d+)z\2z^r(ev)?\s*(\d+)z[.]{2,}rg z\b(alfa|apha)\b�alphaz\b(pre-alpha|prealpha)\bz pre.alphaz \(beta\)$�betaz ^[:~._+-]+z [,*")([\]]z[~:+_ -]z\.$z (\d+(\.\d+)*)c C sL | � � �� }tD ]\}}|�||�}q|s.d}t�|�}|sFd}|}n�|�� d �d�}dd� |D �}t|�dk r~|� d� qft|�dkr�||� � d� }n8d� dd� |dd� D ��||� � d� }|dd� }d� d d� |D ��}|� � }|�rt D ]\}}|�||�}q�|�s |}n d |v �r*d nd }|| | }t |��sHd}|S ) z� Try to suggest a semantic form for a version for which _suggest_normalized_version couldn't come up with anything. z0.0.0r rg c S s g | ] }t |��qS r rb r� r r r r� � r? z-_suggest_semantic_version.<locals>.<listcomp>� Nc S s g | ] }t |��qS r r� r� r r r r� � r? c S s g | ] }t |��qS r r� r� r r r r� � r? rz �-r� )r rL � _REPLACEMENTS�sub�_NUMERIC_PREFIXr^ ru rv r_ rP �endr� �_SUFFIX_REPLACEMENTS� is_semver)r r` �pat�replrx rT �suffix�sepr r r �_suggest_semantic_version� s: , r� c C sd zt | � | W S ty Y n0 | �� }dD ]\}}|�||�}q.t�dd|�}t�dd|�}t�dd|�}t�dd |�}t�d d |�}|�d �r�|d d� }t�dd |�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�d d|�}t�d d |�}t�d d |�}z t |� W n t�y^ d}Y n0 |S )!a� Suggest a normalized version close to the given version string. If you have a version string that isn't rational (i.e. NormalizedVersion doesn't like it) then you might be able to get an equivalent (or close) rational version from this function. This does a number of simple normalizations to the given string, based on observation of versions currently in use on PyPI. Given a dump of those version during PyCon 2009, 4287 of them: - 2312 (53.93%) match NormalizedVersion without change with the automatic suggestion - 3474 (81.04%) match when using this suggestion method @param s {str} An irrational version string. @returns A rational version string, or None, if couldn't determine one. ))z-alpharp )z-betar� )r� rp )r� r� )r� r< )z-finalr� )z-prer< )z-releaser� )z.releaser� )z-stabler� )r� rg )rr rg )� r� )z.finalr� )rs r� zpre$Zpre0zdev$Zdev0z([abc]|rc)[\-\.](\d+)$z\1\2z[\-\.](dev)[\-\.]?r?(\d+)$z.\1\2z[.~]?([abc])\.?r� r; r Nz\b0+(\d+)(?!\d)z (\d+[abc])$z\g<1>0z\.?(dev-r|dev\.r)\.?(\d+)$z.dev\2z-(a|b|c)(\d+)$z[\.\-](dev|devel)$z.dev0z(?![\.\-])dev$z(final|stable)$r� z\.?(r|-|-r)\.?(\d+)$z.post\2z\.?(dev|git|bzr)\.?(\d+)$z\.?(pre|preview|-c)(\d+)$zc\g<2>zp(\d+)$z.post\1)r~ r rL �replace�rer� r� )r ZrsZorigr� r r r �_suggest_normalized_version� s> r� z([a-z]+|\d+|[\.-])r< zfinal-�@)ry Zpreviewr� r� rz r� rg c C sr dd� }g }|| �D ]T}|� d�r^|dk rD|rD|d dkrD|�� q*|r^|d dkr^|�� qD|�|� qt|�S )Nc S st g }t �| �� �D ]R}t�||�}|rd|d d� krBdkrRn n |�d�}nd| }|�|� q|�d� |S )N�0r �9� �*�*final)� _VERSION_PARTrv rL �_VERSION_REPLACErW �zfillrP )r r` r= r r r � get_partsC s z _legacy_key.<locals>.get_partsr� r� rh z*final-Z00000000)r� �poprP rQ )r r� r` r= r r r � _legacy_keyB s r� c @ s e Zd Zdd� Zedd� �ZdS )r c C s t |�S r )r� r r r r r ] s zLegacyVersion.parsec C s8 d}| j D ](}t|t�r |�d�r |dk r d} q4q |S )NFr� r� T)r rU r r� )r r` r� r r r r7 ` s �zLegacyVersion.is_prereleaseN�r r r r r8 r7 r r r r r \ s r c @ s4 e Zd ZeZeej�Zded< e� d�Z dd� Z dS )r r� rF z^(\d+(\.\d+)*)c C s` ||k r dS | j �t|��}|s2t�d||� dS |�� d }d|v rV|�dd�d }t||�S )NFzACannot compute compatible match for version %s and constraint %sTr rg r )� numeric_rer^ r� �loggerZwarningru �rsplitr� )r rY r[ rT rx r r r r r� s s � z LegacyMatcher._match_compatibleN) r r r r rI �dictr9 rV r� �compiler� r� r r r r r k s r zN^(\d+)\.(\d+)\.(\d+)(-[a-z0-9]+(\.[a-z0-9-]+)*)?(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$c C s t �| �S r )� _SEMVER_REr^ )r r r r r� � s r� c C sn dd� }t | �}|s t| ��|�� }dd� |d d� D �\}}}||d d�||d d� }}|||f||fS ) Nc S s8 | d u r|f}n$| dd � � d�}tdd� |D ��}|S )Nr rg c S s" g | ]}|� � r|�d �n|�qS )r� )rw r� )re r= r r r r� � r? z5_semantic_key.<locals>.make_tuple.<locals>.<listcomp>)rv rQ )r Zabsentr` r r r r � make_tuple� s z!_semantic_key.<locals>.make_tuplec S s g | ] }t |��qS r rb r� r r r r� � r? z!_semantic_key.<locals>.<listcomp>r� �|� r� )r� r ru ) r r� rx ru �major�minorZpatchry Zbuildr r r � _semantic_key� s r� c @ s e Zd Zdd� Zedd� �ZdS )r c C s t |�S r )r� r r r r r � s zSemanticVersion.parsec C s | j d d dkS )Nr r r� )r r0 r r r r7 � s z SemanticVersion.is_prereleaseNr� r r r r r � s r c @ s e Zd ZeZdS )r N)r r r r rI r r r r r � s r c @ s6 e Zd Zd dd�Zdd� Zdd� Zdd � Zd d � ZdS ) � VersionSchemeNc C s || _ || _|| _d S r )rM �matcher� suggester)r rM r� r� r r r r � s zVersionScheme.__init__c C s0 z| j �|� d}W n ty* d}Y n0 |S �NTF)r� rI r �r r r` r r r �is_valid_version� s z VersionScheme.is_valid_versionc C s. z| � |� d}W n ty( d}Y n0 |S r� )r� r r� r r r �is_valid_matcher� s z VersionScheme.is_valid_matcherc C s$ |� d�r|dd� }| �d| �S )z: Used for processing some metadata fields �,Nrh zdummy_name (%s))rO r� r r r r �is_valid_constraint_list� s z&VersionScheme.is_valid_constraint_listc C s | j d u rd }n | � |�}|S r )r� r� r r r �suggest� s zVersionScheme.suggest)N)r r r r r� r� r� r� r r r r r� � s r� c C s |S r r r r r r r> � r? r> )� normalized�legacyZsemanticr� �defaultc C s | t vrtd| ��t | S )Nzunknown scheme name: %r)�_SCHEMESrJ )rK r r r r � s r )*r Zloggingr� �compatr �utilr �__all__Z getLoggerr r� rJ r �objectr r9 r� rt r} r~ r r� r r� r� r� r� r� �Ir� r� r� r r r� r� r� r r r� r� r r r r r �<module> s� 1d =$ W � � � .r� � '��� _vendor/distlib/__pycache__/version.cpython-39.pyc 0000644 00000047537 15114542003 0016173 0 ustar 00 a [��f�[ � @ sZ d Z ddlZddlZddlmZ ddlmZ g d�Ze�e �Z G dd� de �Z G d d � d e �ZG d d � d e �Ze�d �Zdd� ZeZG dd� de�Zdd� ZG dd� de�Ze�d�dfe�d�dfe�d�dfe�d�d fe�d �d fe�d �d fe�d �d!fe�d"�d#fe�d$�d%fe�d&�d'ff Ze�d(�dfe�d)�dfe�d*�d!fe�d �d!fe�d+�dffZe�d,�Zd-d.� Zd/d0� Ze�d1ej �Z d2d2d3d2d4ddd5�Z d6d7� Z G d8d9� d9e�Z G d:d;� d;e�Z!e�d<ej �Z"d=d>� Z#d?d@� Z$G dAdB� dBe�Z%G dCdD� dDe�Z&G dEdF� dFe �Z'e'eee�e'e e!dGdH� �e'e$e&e�dI�Z(e(dJ e(dK< dLdM� Z)dS )Nz~ Implementation of a flexible versioning scheme providing support for PEP-440, setuptools-compatible and semantic versioning. � N� )� string_types��parse_requirement)�NormalizedVersion�NormalizedMatcher� LegacyVersion� LegacyMatcher�SemanticVersion�SemanticMatcher�UnsupportedVersionError� get_schemec @ s e Zd ZdZdS )r z This is an unsupported version.N)�__name__� __module__� __qualname__�__doc__� r r �?/usr/lib/python3.9/site-packages/pip/_vendor/distlib/version.pyr s r c @ sx e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zedd� �ZdS ) �Versionc C s@ |� � | _}| �|� | _}t|t�s,J �t|�dks<J �d S )Nr )�strip�_string�parse�_parts� isinstance�tuple�len)�self�s�partsr r r �__init__ s zVersion.__init__c C s t d��d S )Nz please implement in a subclass��NotImplementedError�r r r r r r % s z Version.parsec C s$ t | �t |�kr td| |f ��d S )Nzcannot compare %r and %r)�type� TypeError�r �otherr r r �_check_compatible( s zVersion._check_compatiblec C s | � |� | j|jkS �N�r' r r% r r r �__eq__, s zVersion.__eq__c C s | � |� S r( �r* r% r r r �__ne__0 s zVersion.__ne__c C s | � |� | j|jk S r( r) r% r r r �__lt__3 s zVersion.__lt__c C s | � |�p| �|� S r( �r- r* r% r r r �__gt__7 s zVersion.__gt__c C s | � |�p| �|�S r( r. r% r r r �__le__: s zVersion.__le__c C s | � |�p| �|�S r( )r/ r* r% r r r �__ge__= s zVersion.__ge__c C s t | j�S r( )�hashr �r r r r �__hash__A s zVersion.__hash__c C s d| j j| jf S )Nz%s('%s')�� __class__r r r3 r r r �__repr__D s zVersion.__repr__c C s | j S r( �r r3 r r r �__str__G s zVersion.__str__c C s t d��d S )Nz Please implement in subclasses.r r3 r r r � is_prereleaseJ s zVersion.is_prereleaseN)r r r r r r' r* r, r- r/ r0 r1 r4 r7 r9 �propertyr: r r r r r s r c @ s� e Zd ZdZdd� dd� dd� dd� dd� dd� d d� d d� d �Zd d � Zdd� Zdd� Zedd� �Z dd� Z dd� Z dd� Z dd� Z d d � Zd d � ZdS ) �MatcherNc C s | |k S r( r ��v�c�pr r r �<lambda>T � zMatcher.<lambda>c C s | |kS r( r r= r r r rA U rB c C s | |kp| |k S r( r r= r r r rA V rB c C s | |kp| |kS r( r r= r r r rA W rB c C s | |kS r( r r= r r r rA X rB c C s | |kS r( r r= r r r rA Y rB c C s | |kp| |kS r( r r= r r r rA [ rB c C s | |kS r( r r= r r r rA \ rB )�<�>�<=�>=�==�===�~=�!=c C s t |�S r( r r" r r r r a s zMatcher.parse_requirementc C s� | j d u rtd��|�� | _}| �|�}|s:td| ��|j| _| j�� | _g }|jr�|jD ]d\}}|� d�r�|dvr�td| ��|d d� d }}| � |� n| � |�d }}|� |||f� q^t |�| _ d S ) Nz Please specify a version classz Not valid: %rz.*)rG rJ z#'.*' not allowed for %r constraints���TF) � version_class� ValueErrorr r r �name�lower�key� constraints�endswith�appendr r )r r �rZclist�opZvn�prefixr r r r d s* � zMatcher.__init__c C sx t |t�r| �|�}| jD ]X\}}}| j�|�}t |t�rDt| |�}|s`d|| jjf }t |��||||�s dS qdS )z� Check if the provided version matches the constraints. :param version: The version to match against this instance. :type version: String or :class:`Version` instance. z%r not implemented for %sFT) r r rL r � _operators�get�getattrr6 r r! )r �version�operator� constraintrV �f�msgr r r �match� s � z Matcher.matchc C s6 d }t | j�dkr2| jd d dv r2| jd d }|S )Nr r )rG rH )r r )r �resultr r r � exact_version� s zMatcher.exact_versionc C s0 t | �t |�ks | j|jkr,td| |f ��d S )Nzcannot compare %s and %s)r# rN r$ r% r r r r' � s zMatcher._check_compatiblec C s" | � |� | j|jko | j|jkS r( )r' rP r r% r r r r* � s zMatcher.__eq__c C s | � |� S r( r+ r% r r r r, � s zMatcher.__ne__c C s t | j�t | j� S r( )r2 rP r r3 r r r r4 � s zMatcher.__hash__c C s d| j j| jf S )Nz%s(%r)r5 r3 r r r r7 � s zMatcher.__repr__c C s | j S r( r8 r3 r r r r9 � s zMatcher.__str__)r r r rL rW r r r_ r; ra r' r* r, r4 r7 r9 r r r r r< O s* � r< zk^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?(\.(post)(\d+))?(\.(dev)(\d+))?(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$c C s� | � � } t�| �}|s"td| ��|�� }tdd� |d �d�D ��}t|�dkrl|d dkrl|d d� }qF|d szd}nt|d d d� �}|dd � }|d d � }|d d � }|d }|dkr�d}n|d t|d �f}|dkr�d}n|d t|d �f}|dk�rd}n|d t|d �f}|d u �r2d}nHg } |�d�D ]0} | � � �r\dt| �f} nd| f} | � | � �q@t| �}|�s�|�s�|�r�d}nd}|�s�d}|�s�d}||||||fS )NzNot a valid version: %sc s s | ]}t |�V qd S r( ��int��.0r> r r r � <genexpr>� rB z _pep_440_key.<locals>.<genexpr>r �.���r � � � � � � � )NNr )�arh )�z)�_)�final) r �PEP440_VERSION_REr_ r �groupsr �splitr rc �isdigitrS ) r �mru ZnumsZepoch�preZpost�dev�localr �partr r r � _pep_440_key� sT r} c @ s0 e Zd ZdZdd� Zeg d��Zedd� �ZdS )r aI A rational version. Good: 1.2 # equivalent to "1.2.0" 1.2.0 1.2a1 1.2.3a2 1.2.3b1 1.2.3c1 1.2.3.4 TODO: fill this out Bad: 1 # minimum two numbers 1.2a # release level must have a release serial 1.2.3b c C s< t |�}t�|�}|�� }tdd� |d �d�D ��| _|S )Nc s s | ]}t |�V qd S r( rb rd r r r rf rB z*NormalizedVersion.parse.<locals>.<genexpr>r rg )�_normalized_keyrt r_ ru r rv �_release_clause)r r r` rx ru r r r r s zNormalizedVersion.parse)rp �br? �rcrz c s t � fdd�� jD ��S )Nc 3 s | ]}|r|d � j v V qdS )r N)� PREREL_TAGS)re �tr3 r r rf rB z2NormalizedVersion.is_prerelease.<locals>.<genexpr>)�anyr r3 r r3 r r: s z NormalizedVersion.is_prereleaseN) r r r r r �setr� r; r: r r r r r � s r c C s> t | �} t |�}| |kr dS | �|�s*dS t|�}| | dkS )NTFrg )�str� startswithr )�x�y�nr r r � _match_prefix s r� c @ sn e Zd ZeZddddddddd �Zd d � Zd d � Zdd� Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zd S ) r �_match_compatible� _match_lt� _match_gt� _match_le� _match_ge� _match_eq�_match_arbitrary� _match_ne)rI rC rD rE rF rG rH rJ c C sV |rd|vo|j d }n|j d o,|j d }|rN|j�dd�d }| �|�}||fS )N�+rh r r )r r rv rL )r rZ r\ rV Z strip_localr r r r � _adjust_local6 s z NormalizedMatcher._adjust_localc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r �r� �re �ir r r � <listcomp>I rB z/NormalizedMatcher._match_lt.<locals>.<listcomp>�r� r �joinr� �r rZ r\ rV Zrelease_clauseZpfxr r r r� D s zNormalizedMatcher._match_ltc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r r� r� r r r r� Q rB z/NormalizedMatcher._match_gt.<locals>.<listcomp>r� r� r r r r� L s zNormalizedMatcher._match_gtc C s | � |||�\}}||kS r( �r� �r rZ r\ rV r r r r� T s zNormalizedMatcher._match_lec C s | � |||�\}}||kS r( r� r� r r r r� X s zNormalizedMatcher._match_gec C s. | � |||�\}}|s ||k}n t||�}|S r( �r� r� �r rZ r\ rV r` r r r r� \ s zNormalizedMatcher._match_eqc C s t |�t |�kS r( r� r� r r r r� d s z"NormalizedMatcher._match_arbitraryc C s0 | � |||�\}}|s ||k}n t||� }|S r( r� r� r r r r� g s zNormalizedMatcher._match_nec C sf | � |||�\}}||kr dS ||k r*dS |j}t|�dkrH|d d� }d�dd� |D ��}t||�S )NTFr rh rg c S s g | ] }t |��qS r r� r� r r r r� z rB z7NormalizedMatcher._match_compatible.<locals>.<listcomp>)r� r r r� r� r� r r r r� o s z#NormalizedMatcher._match_compatibleN)r r r r rL rW r� r� r� r� r� r� r� r� r� r r r r r ' s& � r z[.+-]$� z^[.](\d)z0.\1z^[.-]z ^\((.*)\)$�\1z^v(ersion)?\s*(\d+)z\2z^r(ev)?\s*(\d+)z[.]{2,}rg z\b(alfa|apha)\b�alphaz\b(pre-alpha|prealpha)\bz pre.alphaz \(beta\)$�betaz ^[:~._+-]+z [,*")([\]]z[~:+_ -]z\.$z (\d+(\.\d+)*)c C sL | � � �� }tD ]\}}|�||�}q|s.d}t�|�}|sFd}|}n�|�� d �d�}dd� |D �}t|�dk r~|� d� qft|�dkr�||� � d� }n8d� dd� |dd� D ��||� � d� }|dd� }d� d d� |D ��}|� � }|�rt D ]\}}|�||�}q�|�s |}n d |v �r*d nd }|| | }t |��sHd}|S ) z� Try to suggest a semantic form for a version for which _suggest_normalized_version couldn't come up with anything. z0.0.0r rg c S s g | ] }t |��qS r rb r� r r r r� � rB z-_suggest_semantic_version.<locals>.<listcomp>� Nc S s g | ] }t |��qS r r� r� r r r r� � rB c S s g | ] }t |��qS r r� r� r r r r� � rB rz �-r� )r rO � _REPLACEMENTS�sub�_NUMERIC_PREFIXr_ ru rv r rS �endr� �_SUFFIX_REPLACEMENTS� is_semver)r r` �pat�replrx rV �suffix�sepr r r �_suggest_semantic_version� s: , r� c C sd zt | � | W S ty Y n0 | �� }dD ]\}}|�||�}q.t�dd|�}t�dd|�}t�dd|�}t�dd |�}t�d d |�}|�d �r�|d d� }t�dd |�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�d d|�}t�d d |�}t�d d |�}z t |� W n t�y^ d}Y n0 |S )!a� Suggest a normalized version close to the given version string. 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The destination may be a directory. N)r/ r0 �isdir�join�basenamer r r3 r r r! r � s r c C s: t j�|�r"t j�|t j�| ��}t| |� t| |� dS )z]Copy data and all stat info ("cp -p src dst"). The destination may be a directory. N)r/ r0 rJ rK rL r r r3 r r r! r � s r c s � fdd�}|S )z�Function that can be used as copytree() ignore parameter. Patterns is a sequence of glob-style patterns that are used to exclude filesc s( g }� D ]}|� t�||�� qt|�S �N)�extend�fnmatch�filter�set)r0 �names� ignored_names�pattern��patternsr r! �_ignore_patterns� s z)ignore_patterns.<locals>._ignore_patternsr )rV rW r rU r! r � s r c C s� t �| �}|dur || |�}nt� }t �|� g }|D �]} | |v rFq6t j�| | �} t j�|| �} ztt j�| �r�t �| �} |r�t �| | � q�t j� | �s�|r�W q6|| | � n(t j� | �r�t | | |||� n || | � W q6 t �y } z |� | jd � W Y d} ~ q6d} ~ 0 t�yD } z |�| | t|�f� W Y d}~q6d}~0 0 q6zt| |� W nR t�y� } z8tdu�r�t|t��r�n|� | |t|�f� W Y d}~n d}~0 0 |�r�t |��dS )a� Recursively copy a directory tree. The destination directory must not already exist. If exception(s) occur, an Error is raised with a list of reasons. If the optional symlinks flag is true, symbolic links in the source tree result in symbolic links in the destination tree; if it is false, the contents of the files pointed to by symbolic links are copied. If the file pointed by the symlink doesn't exist, an exception will be added in the list of errors raised in an Error exception at the end of the copy process. You can set the optional ignore_dangling_symlinks flag to true if you want to silence this exception. Notice that this has no effect on platforms that don't support os.symlink. The optional ignore argument is a callable. If given, it is called with the `src` parameter, which is the directory being visited by copytree(), and `names` which is the list of `src` contents, as returned by os.listdir(): callable(src, names) -> ignored_names Since copytree() is called recursively, the callable will be called once for each directory that is copied. It returns a list of names relative to the `src` directory that should not be copied. The optional copy_function argument is a callable that will be used to copy each file. It will be called with the source path and the destination path as arguments. By default, copy2() is used, but any function that supports the same signature (like copy()) can be used. Nr )r/ �listdirrQ �makedirsr0 rK �islink�readlink�symlink�existsrJ r r rN �args�EnvironmentError�append�strr r1 � WindowsError� isinstance)r4 r5 �symlinks�ignore� copy_function�ignore_dangling_symlinksrR rS �errors�name�srcname�dstname�linkto�errrI r r r! r � sD $ $,*r c C sh |rdd� }n|du r dd� }zt j�| �r4td��W n( ty^ |t jj| t�� � Y dS 0 g }zt �| �}W n& t jy� |t j| t�� � Y n0 |D ]�}t j�| |�}zt � |�j }W n t jy� d}Y n0 t � |�r�t |||� q�zt �|� W q� t j�y( |t j|t�� � Y q�0 q�zt �| � W n( t j�yb |t j| t�� � Y n0 dS )a� Recursively delete a directory tree. If ignore_errors is set, errors are ignored; otherwise, if onerror is set, it is called to handle the error with arguments (func, path, exc_info) where func is os.listdir, os.remove, or os.rmdir; path is the argument to that function that caused it to fail; and exc_info is a tuple returned by sys.exc_info(). If ignore_errors is false and onerror is None, an exception is raised. c W s d S rM r �r^ r r r! �onerror s zrmtree.<locals>.onerrorNc W s � d S rM r rn r r r! ro s z%Cannot call rmtree on a symbolic linkr )r/ r0 rZ r1 �sys�exc_inforX �errorrK �lstatr; r9 �S_ISDIRr �remove�rmdir)r0 � ignore_errorsro rR ri �fullnamerA r r r! r � s> r c C s t j�| �t jj��S rM )r/ r0 rL �rstrip�sep)r0 r r r! � _basename* s r{ c C s� |}t j�|�rTt| |�r*t �| |� dS t j�|t| ��}t j�|�rTtd| ��zt �| |� W nd t y� t j�| �r�t | |�r�td| |f ��t | |dd� t | � nt | |� t �| � Y n0 dS )a� Recursively move a file or directory to another location. This is similar to the Unix "mv" command. If the destination is a directory or a symlink to a directory, the source is moved inside the directory. The destination path must not already exist. If the destination already exists but is not a directory, it may be overwritten depending on os.rename() semantics. If the destination is on our current filesystem, then rename() is used. Otherwise, src is copied to the destination and then removed. A lot more could be done here... A look at a mv.c shows a lot of the issues this implementation glosses over. Nz$Destination path '%s' already existsz.Cannot move a directory '%s' into itself '%s'.T)rd )r/ r0 rJ r6 �renamerK r{ r] r r1 � _destinsrcr r r �unlink)r4 r5 �real_dstr r r! r / s$ r c C sN t | �} t |�}| �tjj�s*| tjj7 } |�tjj�sD|tjj7 }|�| �S rM )r �endswithr/ r0 rz � startswithr3 r r r! r} W s r} c C sL t du s| du rdS z t | �}W n ty6 d}Y n0 |durH|d S dS )z"Returns a gid, given a group name.N� )r �KeyError�ri �resultr r r! �_get_gid` s r� c C sL t du s| du rdS z t | �}W n ty6 d}Y n0 |durH|d S dS )z"Returns an uid, given a user name.Nr� )r r� r� r r r! �_get_uidl s r� �gzipc s ddd�}ddi} t r&d|d< d| d< |d urD|| vrDtd �|���| d | �|d� } tj�| �} tj�| �s�|d ur�|�d | � |s�t� | � |d ur�|�d � t ���t ��� � ���fdd�} |�st � | d|| �} z| j|| d� W | �� n | �� 0 | S )a� Create a (possibly compressed) tar file from all the files under 'base_dir'. 'compress' must be "gzip" (the default), "bzip2", or None. 'owner' and 'group' can be used to define an owner and a group for the archive that is being built. 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The output zip file will be named 'base_name' + ".zip". Uses either the "zipfile" Python module (if available) or the InfoZIP "zip" utility (if installed and found on the default search path). If neither tool is available, raises ExecError. Returns the name of the output zip file. �.zipNr� r z#creating '%s' and adding '%s' to it�w)� compressionz adding '%s')r/ r0 r� r] r� rY �zipfile� ImportErrorr� �ZipFile� ZIP_DEFLATED�walk�normpathrK �isfiler( r� )r� r� r� r� r� r� r� r� r� �dirpath�dirnames� filenamesri r0 r r r! � _make_zipfile� s< �� r� )r� r� zgzip'ed tar-file)r� r� zbzip2'ed tar-file)r� Nzuncompressed tar filezZIP file)�gztar�bztarr� r� r� c C s dd� t �� D �} | �� | S )z�Returns a list of supported formats for archiving and unarchiving. Each element of the returned sequence is a tuple (name, description) c S s g | ]\}}||d f�qS )r� r )�.0ri �registryr r r! � <listcomp> � z'get_archive_formats.<locals>.<listcomp>)�_ARCHIVE_FORMATS�items�sort��formatsr r r! r s �r r� c C sv |du r g }t |t�s"td| ��t |ttf�s8td��|D ]&}t |ttf�rZt|�dkr<td��q<|||ft| < dS )au Registers an archive format. name is the name of the format. function is the callable that will be used to create archives. If provided, extra_args is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_archive_formats() function. Nz The %s object is not callablez!extra_args needs to be a sequencer� z+extra_args elements are : (arg_name, value))rc r � TypeError�tuple�list�lenr� )ri �function� extra_args� description�elementr r r! r s r c C s t | = d S rM )r� �ri r r r! r s r c C s* t �� } |dur>|dur$|�d|� t j�| �} |s>t �|� |du rLt j}||d�} z t| } W n ty� t d| ��Y n0 | d } | d D ]\} }|| | < q�|dkr�|| d< || d < z<| | |fi | ��}W |dur�|dur�|�d | � t �| � n,|du�r$|du�r|�d | � t �| � 0 |S ) a� Create an archive file (eg. zip or tar). 'base_name' is the name of the file to create, minus any format-specific extension; 'format' is the archive format: one of "zip", "tar", "bztar" or "gztar". 'root_dir' is a directory that will be the root directory of the archive; ie. we typically chdir into 'root_dir' before creating the archive. 'base_dir' is the directory where we start archiving from; ie. 'base_dir' will be the common prefix of all files and directories in the archive. 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Each element of the returned sequence is a tuple (name, extensions, description) c S s" g | ]\}}||d |d f�qS )r � r )r� ri r� r r r! r� ` r� z&get_unpack_formats.<locals>.<listcomp>)�_UNPACK_FORMATSr� r� r� r r r! r Z s �r c C sl i }t �� D ] \}}|d D ] }|||< q q | D ]$}||v r0d}t|||| f ��q0t|t�shtd��dS )z+Checks what gets registered as an unpacker.r z!%s is already registered for "%s"z*The registered function must be a callableN)r� r� r% rc r r� ) � extensionsr� r� �existing_extensionsri r� �ext� extension�msgr r r! �_check_unpack_optionse s � r� c C s, |du r g }t |||� ||||ft| < dS )aM Registers an unpack format. `name` is the name of the format. `extensions` is a list of extensions corresponding to the format. `function` is the callable that will be used to unpack archives. The callable will receive archives to unpack. If it's unable to handle an archive, it needs to raise a ReadError exception. 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N)r� r� )ri r� r� r� r� r r r! r w s r c C s t | = dS )z*Removes the pack format from the registry.N)r� r� r r r! r � s r c C s& t j�| �}t j�|�s"t �|� dS )z1Ensure that the parent directory of `path` existsN)r/ r0 r� rJ rY )r0 r� r r r! �_ensure_directory� s r� c C s� z ddl }W n ty& td��Y n0 |�| �s>td| ��|�| �}z�|�� D ]�}|j}|�d�sRd|v rpqRtj j |g|� d��R � }|s�qRt |� |� d�sR|�|j�}t|d�}z|�|� W |�� ~qR|�� ~0 qRW |�� n |�� 0 dS )z+Unpack zip `filename` to `extract_dir` r Nz/zlib not supported, cannot unpack this archive.z%s is not a zip file�/z..r8 )r� r� r$ � is_zipfiler� �infolistr� r� r/ r0 rK �splitr� r� r' r< r( r� ) r� � extract_dirr� r� r� ri �target�data�fr r r! �_unpack_zipfile� s4 �r� c C sV zt �| �}W n t jy. td| ��Y n0 z|�|� W |�� n |�� 0 dS )z:Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` z/%s is not a compressed or uncompressed tar fileN)r r< �TarErrorr$ � extractallr� )r� r� �tarobjr r r! �_unpack_tarfile� s � r� z.tar.gzz.tgzr� r� )r� r� r� r� c C s: t �� D ],\}}|d D ]}| �|�r| S qqd S )Nr )r� r� r� )r� ri r� r� r r r! �_find_unpack_format� s r� c C s� |du rt �� }|durjz t| }W n tyD td�|���Y n0 |d }|| |fi t|d ��� nLt| �}|du r�td�| ���t| d }tt| d �}|| |fi |�� dS )a� Unpack an archive. `filename` is the name of the archive. `extract_dir` is the name of the target directory, where the archive is unpacked. If not provided, the current working directory is used. `format` is the archive format: one of "zip", "tar", or "gztar". Or any other registered format. If not provided, unpack_archive will use the filename extension and see if an unpacker was registered for that extension. In case none is found, a ValueError is raised. NzUnknown unpack format '{0}'r r� z Unknown archive format '{0}') r/ r� r� r� r� r� �dictr� r$ )r� r� r� r� r� r� r r r! r � s r )r& )FN)r� r r NNN)FF)r r N)Nr� )NNr r NNN)Nr� )NN)?r# r/ rp r9 Zos.pathr rO �collections.abcr r� � collectionsrH r� r r� r� �pwdr �grpr �__all__r_ r r r r$ � Exceptionr% rb � NameErrorr r6 r r r r r r r r r{ r r} r� r� r� r� r� r� r r r r r r� r r r� r� r� r� r� r r r r r! �<module> s� � R 1( � > 0 �� � 7 � % �� _vendor/distlib/_backport/__pycache__/shutil.cpython-39.pyc 0000644 00000052211 15114542003 0017743 0 ustar 00 a [��fkd � @ s d Z ddlZddlZddlZddlmZ ddlZzddlmZ W n e y^ ddl mZ Y n0 ddl Z ddl m Z zddlZdZW n e y� dZY n0 zdd lmZ W n e y� dZY n0 zdd lmZ W n e y� dZY n0 g d �ZG d d � d e�ZG dd� de�ZG dd� de�ZG dd� de�ZG dd� de�Zze W n e �yd dZ Y n0 dfdd�Z dd� Z dd � Z d d � Z!d d � Z"d!d"� Z#d#d$� Z$d%d&� Z%dde$dfd'd(�Z&dgd)d*�Z'd+d,� Z(d-d.� Z)d/d0� Z*d1d2� Z+d3d4� Z,dhd6d7�Z-did8d9�Z.djd:d;�Z/e-d<gd=fe-d>gd?fe-d@gdAfe/g dBfdC�Z0e�rLe-d>gd?fe0dD< dEdF� Z1dkdHdI�Z2dJdK� Z3dldLdM�Z4dNdO� Z5dPdQ� Z6dmdRdS�Z7dTdU� Z8dVdW� Z9dXdY� Z:dZd[� Z;d\d]ge;g d=fd^ge;g dAfd_ge:g dBfd`�Z<e�r�dage;g d?fe<dD< dbdc� Z=dnddde�Z>dS )oz�Utility functions for copying and archiving files and directory trees. XXX The functions here don't copy the resource fork or other metadata on Mac. � N)�abspath)�Callable� )�tarfileTF)�getpwnam)�getgrnam)� copyfileobj�copyfile�copymode�copystat�copy�copy2�copytree�move�rmtree�Error�SpecialFileError� ExecError� make_archive�get_archive_formats�register_archive_format�unregister_archive_format�get_unpack_formats�register_unpack_format�unregister_unpack_format�unpack_archive�ignore_patternsc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �H/usr/lib/python3.9/site-packages/pip/_vendor/distlib/_backport/shutil.pyr / s r c @ s e Zd ZdZdS )r z|Raised when trying to do a kind of operation (e.g. copying) which is not supported on a special file (e.g. a named pipe)N�r r r �__doc__r r r r! r 2 s r c @ s e Zd ZdZdS )r z+Raised when a command could not be executedNr" r r r r! r 6 s r c @ s e Zd ZdZdS )� ReadErrorz%Raised when an archive cannot be readNr" r r r r! r$ 9 s r$ c @ s e Zd ZdZdS )� RegistryErrorzVRaised when a registry operation with the archiving and unpacking registries failsNr" r r r r! r% < s r% � @ c C s | � |�}|sq |�|� q dS )z=copy data from file-like object fsrc to file-like object fdstN)�read�write)�fsrc�fdst�length�bufr r r! r F s r c C sZ t tjd�r2ztj�| |�W S ty0 Y dS 0 tj�tj�| ��tj�tj�|��kS )N�samefileF)�hasattr�os�pathr- �OSError�normcaser ��src�dstr r r! � _samefileN s �r6 c C s� t | |�rtd| |f ��| |fD ]>}zt�|�}W n tyF Y q"0 t�|j�r"td| ��q"t| d��D}t|d��}t ||� W d � n1 s�0 Y W d � n1 s�0 Y dS )zCopy data from src to dstz `%s` and `%s` are the same filez`%s` is a named pipe�rb�wbN) r6 r r/ �statr1 �S_ISFIFO�st_moder �openr )r4 r5 �fn�str) r* r r r! r Z s r c C s0 t td�r,t�| �}t�|j�}t�||� dS )z Copy mode bits from src to dst�chmodN)r. r/ r9 �S_IMODEr; r? )r4 r5 r> �moder r r! r n s r c C s� t �| �}t�|j�}tt d�r4t �||j|jf� tt d�rJt �||� tt d�r�t|d�r�zt � ||j � W n< t y� } z$tt d�r�|j t j kr�� W Y d}~n d}~0 0 dS )zCCopy all stat info (mode bits, atime, mtime, flags) from src to dst�utimer? �chflags�st_flags� EOPNOTSUPPN)r/ r9 r@ r; r. rB �st_atime�st_mtimer? rC rD r1 �errnorE )r4 r5 r> rA �whyr r r! r u s �r c C s: t j�|�r"t j�|t j�| ��}t| |� t| |� dS )zVCopy data and mode bits ("cp src dst"). The destination may be a directory. N)r/ r0 �isdir�join�basenamer r r3 r r r! r � s r c C s: t j�|�r"t j�|t j�| ��}t| |� t| |� dS )z]Copy data and all stat info ("cp -p src dst"). The destination may be a directory. N)r/ r0 rJ rK rL r r r3 r r r! r � s r c s � fdd�}|S )z�Function that can be used as copytree() ignore parameter. Patterns is a sequence of glob-style patterns that are used to exclude filesc s( g }� D ]}|� t�||�� qt|�S �N)�extend�fnmatch�filter�set)r0 �names� ignored_names�pattern��patternsr r! �_ignore_patterns� s z)ignore_patterns.<locals>._ignore_patternsr )rV rW r rU r! r � s r c C s� t �| �}|dur || |�}nt� }t �|� g }|D �]} | |v rFq6t j�| | �} t j�|| �} ztt j�| �r�t �| �} |r�t �| | � q�t j� | �s�|r�W q6|| | � n(t j� | �r�t | | |||� n || | � W q6 t �y } z |� | jd � W Y d} ~ q6d} ~ 0 t�yD } z |�| | t|�f� W Y d}~q6d}~0 0 q6zt| |� W nR t�y� } z8tdu�r�t|t��r�n|� | |t|�f� W Y d}~n d}~0 0 |�r�t |��dS )a� Recursively copy a directory tree. The destination directory must not already exist. If exception(s) occur, an Error is raised with a list of reasons. If the optional symlinks flag is true, symbolic links in the source tree result in symbolic links in the destination tree; if it is false, the contents of the files pointed to by symbolic links are copied. If the file pointed by the symlink doesn't exist, an exception will be added in the list of errors raised in an Error exception at the end of the copy process. You can set the optional ignore_dangling_symlinks flag to true if you want to silence this exception. Notice that this has no effect on platforms that don't support os.symlink. The optional ignore argument is a callable. If given, it is called with the `src` parameter, which is the directory being visited by copytree(), and `names` which is the list of `src` contents, as returned by os.listdir(): callable(src, names) -> ignored_names Since copytree() is called recursively, the callable will be called once for each directory that is copied. It returns a list of names relative to the `src` directory that should not be copied. The optional copy_function argument is a callable that will be used to copy each file. It will be called with the source path and the destination path as arguments. By default, copy2() is used, but any function that supports the same signature (like copy()) can be used. Nr )r/ �listdirrQ �makedirsr0 rK �islink�readlink�symlink�existsrJ r r rN �args�EnvironmentError�append�strr r1 � WindowsError� isinstance)r4 r5 �symlinks�ignore� copy_function�ignore_dangling_symlinksrR rS �errors�name�srcname�dstname�linkto�errrI r r r! r � sD $ $,*r c C sh |rdd� }n|du r dd� }zt j�| �r4td��W n( ty^ |t jj| t�� � Y dS 0 g }zt �| �}W n& t jy� |t j| t�� � Y n0 |D ]�}t j�| |�}zt � |�j }W n t jy� d}Y n0 t � |�r�t |||� q�zt �|� W q� t j�y( |t j|t�� � Y q�0 q�zt �| � W n( t j�yb |t j| t�� � Y n0 dS )a� Recursively delete a directory tree. If ignore_errors is set, errors are ignored; otherwise, if onerror is set, it is called to handle the error with arguments (func, path, exc_info) where func is os.listdir, os.remove, or os.rmdir; path is the argument to that function that caused it to fail; and exc_info is a tuple returned by sys.exc_info(). If ignore_errors is false and onerror is None, an exception is raised. c W s d S rM r �r^ r r r! �onerror s zrmtree.<locals>.onerrorNc W s � d S rM r rn r r r! ro s z%Cannot call rmtree on a symbolic linkr )r/ r0 rZ r1 �sys�exc_inforX �errorrK �lstatr; r9 �S_ISDIRr �remove�rmdir)r0 � ignore_errorsro rR ri �fullnamerA r r r! r � s> r c C s t j�| �t jj��S rM )r/ r0 rL �rstrip�sep)r0 r r r! � _basename* s r{ c C s� |}t j�|�rTt| |�r*t �| |� dS t j�|t| ��}t j�|�rTtd| ��zt �| |� W nd t y� t j�| �r�t | |�r�td| |f ��t | |dd� t | � nt | |� t �| � Y n0 dS )a� Recursively move a file or directory to another location. This is similar to the Unix "mv" command. If the destination is a directory or a symlink to a directory, the source is moved inside the directory. The destination path must not already exist. If the destination already exists but is not a directory, it may be overwritten depending on os.rename() semantics. If the destination is on our current filesystem, then rename() is used. Otherwise, src is copied to the destination and then removed. A lot more could be done here... A look at a mv.c shows a lot of the issues this implementation glosses over. Nz$Destination path '%s' already existsz.Cannot move a directory '%s' into itself '%s'.T)rd )r/ r0 rJ r6 �renamerK r{ r] r r1 � _destinsrcr r r �unlink)r4 r5 �real_dstr r r! r / s$ r c C sN t | �} t |�}| �tjj�s*| tjj7 } |�tjj�sD|tjj7 }|�| �S rM )r �endswithr/ r0 rz � startswithr3 r r r! r} W s r} c C sL t du s| du rdS z t | �}W n ty6 d}Y n0 |durH|d S dS )z"Returns a gid, given a group name.N� )r �KeyError�ri �resultr r r! �_get_gid` s r� c C sL t du s| du rdS z t | �}W n ty6 d}Y n0 |durH|d S dS )z"Returns an uid, given a user name.Nr� )r r� r� r r r! �_get_uidl s r� �gzipc s ddd�}ddi} t r&d|d< d| d< |d urD|| vrDtd �|���| d | �|d� } tj�| �} tj�| �s�|d ur�|�d | � |s�t� | � |d ur�|�d � t ���t ��� � ���fdd�} |�st � | d|| �} z| j|| d� W | �� n | �� 0 | S )a� Create a (possibly compressed) tar file from all the files under 'base_dir'. 'compress' must be "gzip" (the default), "bzip2", or None. 'owner' and 'group' can be used to define an owner and a group for the archive that is being built. 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Returns the output filename. �gz� )r� Nr� z.gz�bz2�bzip2�.bz2NzCbad value for 'compress', or compression format not supported : {0}�.tar� creating %szCreating tar archivec s, � d ur� | _ �| _�d ur(�| _�| _| S rM )�gid�gname�uid�uname)�tarinfo�r� �group�ownerr� r r! � _set_uid_gid� s z#_make_tarball.<locals>._set_uid_gidzw|%s)rP )�_BZ2_SUPPORTED� ValueError�format�getr/ r0 �dirnamer] �inforY r� r� r r< �add�close)� base_name�base_dir�compress�verbose�dry_runr� r� �logger�tar_compression� compress_ext� archive_name� archive_dirr� �tarr r� r! � _make_tarballx s6 � r� c C sb |r d}nd}ddl m} ddlm} z|d||| g|d� W n |y\ td�| �Y n0 d S ) Nz-rz-rqr )�DistutilsExecError)�spawn�zip)r� zkunable to create zip file '%s': could neither import the 'zipfile' module nor find a standalone zip utility)Zdistutils.errorsr� Zdistutils.spawnr� r )r� � zip_filenamer� r� Z zipoptionsr� r� r r r! �_call_external_zip� s �r� c C s | d }t j�| �}t j�|�sB|dur4|�d|� |sBt �|� z ddl}W n tyd d}Y n0 |du r~t||||� n�|dur�|�d||� |�s|j |d|j d�}t � |�D ]V\} } } | D ]F} t j� t j� | | ��} t j�| �r�|�| | � |dur�|�d| � q�q�|�� |S ) am Create a zip file from all the files under 'base_dir'. The output zip file will be named 'base_name' + ".zip". Uses either the "zipfile" Python module (if available) or the InfoZIP "zip" utility (if installed and found on the default search path). If neither tool is available, raises ExecError. Returns the name of the output zip file. �.zipNr� r z#creating '%s' and adding '%s' to it�w)� compressionz adding '%s')r/ r0 r� r] r� rY �zipfile� ImportErrorr� �ZipFile� ZIP_DEFLATED�walk�normpathrK �isfiler( r� )r� r� r� r� r� r� r� r� r� �dirpath�dirnames� filenamesri r0 r r r! � _make_zipfile� s< �� r� )r� r� zgzip'ed tar-file)r� r� zbzip2'ed tar-file)r� Nzuncompressed tar filezZIP file)�gztar�bztarr� r� r� c C s dd� t �� D �} | �� | S )z�Returns a list of supported formats for archiving and unarchiving. Each element of the returned sequence is a tuple (name, description) c S s g | ]\}}||d f�qS )r� r )�.0ri �registryr r r! � <listcomp> � z'get_archive_formats.<locals>.<listcomp>)�_ARCHIVE_FORMATS�items�sort��formatsr r r! r s �r r� c C sv |du r g }t |t�s"td| ��t |ttf�s8td��|D ]&}t |ttf�rZt|�dkr<td��q<|||ft| < dS )au Registers an archive format. name is the name of the format. function is the callable that will be used to create archives. If provided, extra_args is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_archive_formats() function. Nz The %s object is not callablez!extra_args needs to be a sequencer� z+extra_args elements are : (arg_name, value))rc r � TypeError�tuple�list�lenr� )ri �function� extra_args� description�elementr r r! r s r c C s t | = d S rM )r� �ri r r r! r s r c C s* t �� } |dur>|dur$|�d|� t j�| �} |s>t �|� |du rLt j}||d�} z t| } W n ty� t d| ��Y n0 | d } | d D ]\} }|| | < q�|dkr�|| d< || d < z<| | |fi | ��}W |dur�|dur�|�d | � t �| � n,|du�r$|du�r|�d | � t �| � 0 |S ) a� Create an archive file (eg. zip or tar). 'base_name' is the name of the file to create, minus any format-specific extension; 'format' is the archive format: one of "zip", "tar", "bztar" or "gztar". 'root_dir' is a directory that will be the root directory of the archive; ie. we typically chdir into 'root_dir' before creating the archive. 'base_dir' is the directory where we start archiving from; ie. 'base_dir' will be the common prefix of all files and directories in the archive. 'root_dir' and 'base_dir' both default to the current directory. Returns the name of the archive file. 'owner' and 'group' are used when creating a tar archive. By default, uses the current owner and group. Nzchanging into '%s')r� r� zunknown archive format '%s'r r r� r� r� zchanging back to '%s') r/ �getcwd�debugr0 r �chdir�curdirr� r� r� )r� r� �root_dirr� r� r� r� r� r� �save_cwd�kwargs� format_info�func�arg�val�filenamer r r! r # s> � r c C s dd� t �� D �} | �� | S )z�Returns a list of supported formats for unpacking. Each element of the returned sequence is a tuple (name, extensions, description) c S s" g | ]\}}||d |d f�qS )r � r )r� ri r� r r r! r� ` r� z&get_unpack_formats.<locals>.<listcomp>)�_UNPACK_FORMATSr� r� r� r r r! r Z s �r c C sl i }t �� D ] \}}|d D ] }|||< q q | D ]$}||v r0d}t|||| f ��q0t|t�shtd��dS )z+Checks what gets registered as an unpacker.r z!%s is already registered for "%s"z*The registered function must be a callableN)r� r� r% rc r r� ) � extensionsr� r� �existing_extensionsri r� �ext� extension�msgr r r! �_check_unpack_optionse s � r� c C s, |du r g }t |||� ||||ft| < dS )aM Registers an unpack format. `name` is the name of the format. `extensions` is a list of extensions corresponding to the format. `function` is the callable that will be used to unpack archives. The callable will receive archives to unpack. If it's unable to handle an archive, it needs to raise a ReadError exception. If provided, `extra_args` is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_unpack_formats() function. N)r� r� )ri r� r� r� r� r r r! r w s r c C s t | = dS )z*Removes the pack format from the registry.N)r� r� r r r! r � s r c C s& t j�| �}t j�|�s"t �|� dS )z1Ensure that the parent directory of `path` existsN)r/ r0 r� rJ rY )r0 r� r r r! �_ensure_directory� s r� c C s� z ddl }W n ty& td��Y n0 |�| �s>td| ��|�| �}z�|�� D ]�}|j}|�d�sRd|v rpqRtj j |g|� d��R � }|s�qRt |� |� d�sR|�|j�}t|d�}z|�|� W |�� ~qR|�� ~0 qRW |�� n |�� 0 dS )z+Unpack zip `filename` to `extract_dir` r Nz/zlib not supported, cannot unpack this archive.z%s is not a zip file�/z..r8 )r� r� r$ � is_zipfiler� �infolistr� r� r/ r0 rK �splitr� r� r' r< r( r� ) r� � extract_dirr� r� r� ri �target�data�fr r r! �_unpack_zipfile� s4 �r� c C sV zt �| �}W n t jy. td| ��Y n0 z|�|� W |�� n |�� 0 dS )z:Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` z/%s is not a compressed or uncompressed tar fileN)r r< �TarErrorr$ � extractallr� )r� r� �tarobjr r r! �_unpack_tarfile� s � r� z.tar.gzz.tgzr� r� )r� r� r� r� c C s: t �� D ],\}}|d D ]}| �|�r| S qqd S )Nr )r� r� r� )r� ri r� r� r r r! �_find_unpack_format� s r� c C s� |du rt �� }|durjz t| }W n tyD td�|���Y n0 |d }|| |fi t|d ��� nLt| �}|du r�td�| ���t| d }tt| d �}|| |fi |�� dS )a� Unpack an archive. `filename` is the name of the archive. `extract_dir` is the name of the target directory, where the archive is unpacked. 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Used by TarFile.list() rg � )�filemode_table�append�join)�modeZperm�table�bit�charr7 r7 r8 �filemode8 s rx c @ s e Zd ZdZdS )r zBase exception.N��__name__� __module__� __qualname__�__doc__r7 r7 r7 r8 r G s r c @ s e Zd ZdZdS )� ExtractErrorz%General exception for extract errors.Nry r7 r7 r7 r8 r~ J s r~ c @ s e Zd ZdZdS )� ReadErrorz&Exception for unreadable tar archives.Nry r7 r7 r7 r8 r M s r c @ s e Zd ZdZdS )�CompressionErrorz.Exception for unavailable compression methods.Nry r7 r7 r7 r8 r� P s r� c @ s e Zd ZdZdS )� StreamErrorz=Exception for unsupported operations on stream-like TarFiles.Nry r7 r7 r7 r8 r� S s r� c @ s e Zd ZdZdS )� HeaderErrorz!Base exception for header errors.Nry r7 r7 r7 r8 r� V s r� c @ s e Zd ZdZdS )�EmptyHeaderErrorz Exception for empty headers.Nry r7 r7 r7 r8 r� Y s r� c @ s e Zd ZdZdS )�TruncatedHeaderErrorz Exception for truncated headers.Nry r7 r7 r7 r8 r� \ s r� c @ s e Zd ZdZdS )�EOFHeaderErrorz"Exception for end of file headers.Nry r7 r7 r7 r8 r� _ s r� c @ s e Zd ZdZdS )rE z Exception for invalid headers.Nry r7 r7 r7 r8 rE b s rE c @ s e Zd ZdZdS )�SubsequentHeaderErrorz3Exception for missing and invalid extended headers.Nry r7 r7 r7 r8 r� e s r� c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) � _LowLevelFilez�Low-level file object. Supports reading and writing. It is used instead of a regular file object for streaming access. c C sF t jt jt jB t jB d�| }tt d�r2|t jO }t �||d�| _d S )N)rj rk �O_BINARYi� ) �os�O_RDONLY�O_WRONLY�O_CREAT�O_TRUNC�hasattrr� �open�fd)�self�namert r7 r7 r8 �__init__r s �� z_LowLevelFile.__init__c C s t �| j� d S �N)r� �closer� �r� r7 r7 r8 r� { s z_LowLevelFile.closec C s t �| j|�S r� )r� r\ r� �r� r r7 r7 r8 r\ ~ s z_LowLevelFile.readc C s t �| j|� d S r� )r� r] r� �r� r3 r7 r7 r8 r] � s z_LowLevelFile.writeN)rz r{ r| r} r� r� r\ r] r7 r7 r7 r8 r� l s r� c @ st e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z d dd�Z d dd�Z dd� Zdd� ZdS ) �_Streama� Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. A stream-like object could be for example: sys.stdin, sys.stdout, a socket, a tape device etc. _Stream is intended to be used only internally. c C sN d| _ |du r t||�}d| _ |dkr6t|�}|�� }|p<d| _|| _|| _|| _|| _d| _ d| _ d| _ z�|dkr�z ddl }W n t y� td ��Y n0 || _ |�d�| _|d kr�| �� n| �� |d k�r z ddl}W n t y� td ��Y n0 |d k�rd| _|�� | _n |�� | _W n& | j �s<| j�� d| _ � Y n0 dS ) z$Construct a _Stream object. TNF�*rp � r �gzz zlib module is not availablerj �bz2�bz2 module is not available)� _extfileobjr� � _StreamProxy� getcomptyper� rt �comptype�fileobj�bufsizerZ �pos�closed�zlib� ImportErrorr� �crc32�crc� _init_read_gz�_init_write_gzr� �dbuf�BZ2Decompressor�cmp� BZ2Compressorr� )r� r� rt r� r� r� r� r� r7 r7 r8 r� � sP z_Stream.__init__c C s t | d�r| js| �� d S )Nr� )r� r� r� r� r7 r7 r8 �__del__� s z_Stream.__del__c C s� | j �d| j j| j j | j jd�| _t�dtt � � ��}| � d| d � | j � d�rf| j dd� | _ | � | j � d d �t � dS ) z6Initialize for writing with gzip compression. � r �<Ls �s �z.gzN���z iso-8859-1�replace)r� � compressobj�DEFLATED� MAX_WBITS� DEF_MEM_LEVELr� rO rQ rC �time�_Stream__writer� �endswithr0 r2 )r� Z timestampr7 r7 r8 r� � s � z_Stream._init_write_gzc C sR | j dkr | j�|| j�| _| jt|�7 _| j dkrD| j�|�}| �|� dS )z&Write string s to the stream. r� �tarN) r� r� r� r� r� r1 r� �compressr� r� r7 r7 r8 r] � s z _Stream.writec C sN | j |7 _ t| j �| jkrJ| j�| j d| j� � | j | jd� | _ qdS )z]Write string s to the stream if a whole new block is ready to be written. N)rZ r1 r� r� r] r� r7 r7 r8 Z__write� s z_Stream.__writec C s� | j r dS | jdkr2| jdkr2| j| j�� 7 _| jdkr�| jr�| j�| j� d| _| jdkr�| j�t� d| j d@ �� | j�t� d| j d@ �� | j s�| j� � d| _ dS ) z[Close the _Stream object. No operation should be done on it afterwards. Nrk r� r� r� r� l �� T)r� rt r� rZ r� �flushr� r] rO rQ r� r� r� r� r� r7 r7 r8 r� � s z _Stream.closec C s� | j �| j j �| _d| _| �d�dkr0td��| �d�dkrFtd��t| �d��}| �d� |d @ r�t| �d��d t| �d�� }| � |� |d @ r�| �d�}|r�|t kr�q�q�|d @ r�| �d�}|r�|t kr�q�q�|d@ r�| �d� d S )z:Initialize for reading a gzip compressed fileobj. r� r s ��not a gzip filer � z unsupported compression method� r. r( r- r, N) r� � decompressobjr� r� r� � _Stream__readr r� rG r\ r2 )r� �flagZxlenr3 r7 r7 r8 r� s* z_Stream._init_read_gzc C s | j S )z3Return the stream's file pointer position. �r� r� r7 r7 r8 �tell# s z _Stream.tellr c C sX || j dkrJt|| j | j�\}}t|�D ]}| �| j� q,| �|� ntd��| j S )zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r� r^ r� rF r\ r� )r� r� rc rd rI r7 r7 r8 �seek( s z _Stream.seekNc C sV |du r6g }| � | j�}|s q*|�|� q d�|�}n | � |�}| jt|�7 _|S )z�Return the next size number of bytes from the stream. If size is not defined, return all bytes of the stream up to EOF. Nrp )�_readr� rr rs r� r1 )r� r rn rZ r7 r7 r8 r\ 5 s z _Stream.readc C s� | j dkr| �|�S t| j�}||k r�| �| j�}|s8q�z| j�|�}W n tyb td��Y n0 | j|7 _|t|�7 }q | jd|� }| j|d� | _|S )z+Return size bytes from the stream. r� zinvalid compressed dataN) r� r� r1 r� r� r� � decompressr_ r �r� r ri rZ r7 r7 r8 r� G s z _Stream._readc C sd t | j�}||k rB| j�| j�}|s&qB| j|7 _|t |�7 }q | jd|� }| j|d� | _|S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. N)r1 rZ r� r\ r� r� r7 r7 r8 Z__read\ s z_Stream.__read)r )N)rz r{ r| r} r� r� r� r] r� r� r� r� r� r\ r� r� r7 r7 r7 r8 r� � s 4 r� c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) r� zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s || _ | j �t�| _d S r� )r� r\ � BLOCKSIZErZ )r� r� r7 r7 r8 r� q s z_StreamProxy.__init__c C s | j j| _| jS r� )r� r\ rZ r� r7 r7 r8 r\ u s z_StreamProxy.readc C s$ | j �d�rdS | j �d�r dS dS )Ns �r� s BZh91r� r� )rZ � startswithr� r7 r7 r8 r� y s z_StreamProxy.getcomptypec C s | j �� d S r� )r� r� r� r7 r7 r8 r� � s z_StreamProxy.closeN)rz r{ r| r} r� r\ r� r� r7 r7 r7 r8 r� l s r� c @ sL e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zd d � Z d d� Z dd� Z dS )� _BZ2Proxya Small proxy class that enables external file object support for "r:bz2" and "w:bz2" modes. This is actually a workaround for a limitation in bz2 module's BZ2File class which (unlike gzip.GzipFile) has no support for a file object argument. r& c C s( || _ || _t| j dd �| _| �� d S )Nr� )r� rt �getattrr� �init)r� r� rt r7 r7 r8 r� � s z_BZ2Proxy.__init__c C sD dd l }d| _| jdkr6|�� | _| j�d� d| _n |�� | _d S )Nr rj r� ) r� r� rt r� �bz2objr� r� rZ r� )r� r� r7 r7 r8 r� � s z_BZ2Proxy.initc C s� t | j�}||k rN| j�| j�}|s&qN| j�|�}| j|7 _|t |�7 }q | jd |� }| j|d � | _| jt |�7 _|S r� )r1 rZ r� r\ � blocksizer� r� r� )r� r rm �raw�datarZ r7 r7 r8 r\ � s z_BZ2Proxy.readc C s& || j k r| �� | �|| j � d S r� )r� r� r\ )r� r� r7 r7 r8 r� � s z_BZ2Proxy.seekc C s | j S r� r� r� r7 r7 r8 r� � s z_BZ2Proxy.tellc C s. | j t|�7 _ | j�|�}| j�|� d S r� )r� r1 r� r� r� r] )r� r� r� r7 r7 r8 r] � s z_BZ2Proxy.writec C s$ | j dkr | j�� }| j�|� d S )Nrk )rt r� r� r� r] )r� r� r7 r7 r8 r� � s z_BZ2Proxy.closeN) rz r{ r| r} r� r� r� r\ r� r� r] r� r7 r7 r7 r8 r� � s r� c @ s< e Zd ZdZd dd�Zdd� Zdd� Zd d � Zdd d �ZdS )� _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C s� || _ || _|| _d| _|d u r*d|fg}d| _g | _d}| j}|D ]L\}}||krh| j�d||d f� | j�d||| |f� ||7 }|| }qD|| jk r�| j�d|| jd f� d S )Nr FT)r� �offsetr �position� map_index�maprr )r� r� r� r Z blockinfoZlastposZrealposr7 r7 r8 r� � s$ z_FileInFile.__init__c C s t | jd�sdS | j�� S )N�seekableT)r� r� r� r� r7 r7 r8 r� � s z_FileInFile.seekablec C s | j S )�*Return the current file position. �r� r� r7 r7 r8 r� � s z_FileInFile.tellc C s || _ dS )�(Seek to a position in the file. Nr� )r� r� r7 r7 r8 r� � s z_FileInFile.seekc C s� |du r| j | j }nt|| j | j �}d}|dkr�| j| j \}}}}|| j kr^|k rfq� nq�q4| jd7 _| jt| j�kr4d| _q4t||| j �}|r�| j�|| j| � || j�|�7 }n |t | 7 }||8 }| j|7 _q,|S )z!Read data from the file. Nr� r r ) r r� �minr� r� r1 r� r� r\ r2 )r� r rZ r� �start�stopr� r4 r7 r7 r8 r\ � s& z_FileInFile.read)N)N) rz r{ r| r} r� r� r� r� r\ r7 r7 r7 r8 r� � s r� c @ sz e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zdd d �Z e Z d dd�Z dd� Z dd� Z ejfdd�Zdd� Zdd� Zd S ) � ExFileObjectzaFile-like object for reading an archive member. Is returned by TarFile.extractfile(). r' c C sD t |j|j|j|j�| _|j| _d| _d| _|j| _d| _d| _ d S )Nrj Fr r� ) r� r� � offset_datar �sparser� rt r� r� �buffer)r� �tarfile�tarinfor7 r7 r8 r� s �zExFileObject.__init__c C s dS �NTr7 r� r7 r7 r8 �readable! s zExFileObject.readablec C s dS )NFr7 r� r7 r7 r8 �writable$ s zExFileObject.writablec C s | j �� S r� )r� r� r� r7 r7 r8 r� ' s zExFileObject.seekableNc C s� | j rtd��d}| jrL|du r.| j}d| _n | jd|� }| j|d� | _|du rd|| j�� 7 }n|| j�|t|� �7 }| jt|�7 _|S )z~Read at most size bytes from the file. If size is not present or None, read all data until EOF is reached. � I/O operation on closed filer� N)r� rD r� r� r\ r1 r� )r� r rZ r7 r7 r8 r\ * s zExFileObject.readr: c C s� | j rtd��| j�d�d }|dkrt| j�| j�}| j|7 _|rNd|v r&| j�d�d }|dkrtt| j�}qtq&|dkr�t||�}| jd|� }| j|d� | _| j t|�7 _ |S )z�Read one entire line from the file. If size is present and non-negative, return a string with at most that size, which may be an incomplete line. r� � r r r: N) r� rD r� r; r� r\ r� r1 r� r� )r� r r� rZ r7 r7 r8 �readlineE s" zExFileObject.readlinec C s" g }| � � }|sq |�|� q|S )z0Return a list with all remaining lines. )r� rr )r� �result�liner7 r7 r8 � readlinesb s zExFileObject.readlinesc C s | j rtd��| jS )r� r� )r� rD r� r� r7 r7 r8 r� l s zExFileObject.tellc C s� | j rtd��|tjkr.tt|d�| j�| _nj|tjkrj|dk rTt| j| d�| _q�t| j| | j�| _n.|tj kr�tt| j| | j�d�| _ntd��d| _ | j � | j� dS )r� r� r zInvalid argumentr� N) r� rD r� �SEEK_SETr� �maxr r� �SEEK_CUR�SEEK_ENDr� r� r� )r� r� �whencer7 r7 r8 r� t s zExFileObject.seekc C s d| _ dS )z Close the file object. TN)r� r� r7 r7 r8 r� � s zExFileObject.closec c s | � � }|sq|V q dS )z/Get an iterator over the file's lines. N)r� )r� r� r7 r7 r8 �__iter__� s zExFileObject.__iter__)N)r: )rz r{ r| r} r� r� r� r� r� r\ �read1r� r� r� r� r� r� r� r� r7 r7 r7 r8 r� s r� c @ s� e Zd ZdZdZdVdd�Zdd� Zdd � Zeee�Z d d � Z d d � Z ee e �Z dd� Z dd� Zeedfdd�Zdd� Zdd� Zdd� Zedd � �Zd d � Zed d � �Zed!d"� �Zed#d$� �Zed%d&� �Z ed'd(� �Z ed)d*� �Z d+d,� Z d-d.� Z d/d0� Z!d1d2� Z"d3d4� Z#d5d6� Z$d7d8� Z%d9d:� Z&d;d<� Z'd=d>� Z(d?d@� Z)dAdB� Z*dCdD� Z+dEdF� Z,dGdH� Z-dIdJ� Z.dKdL� Z/dMdN� Z0dOdP� Z1dQdR� Z2dSdT� Z3dUS )Wr a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. )r� rt r! r" r r �chksum�type�linknamer# r$ �devmajor�devminorr� r� � pax_headersr� r� �_sparse_structs� _link_targetrp c C sj || _ d| _d| _d| _d| _d| _d| _t| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _i | _dS )zXConstruct a TarInfo object. name is the optional name of the member. i� r rp N)r� rt r! r" r r r� �REGTYPEr� r� r# r$ r� r� r� r� r� r� �r� r� r7 r7 r8 r� � s" zTarInfo.__init__c C s | j S r� �r� r� r7 r7 r8 �_getpath� s zTarInfo._getpathc C s || _ d S r� r r r7 r7 r8 �_setpath� s zTarInfo._setpathc C s | j S r� �r� r� r7 r7 r8 � _getlinkpath� s zTarInfo._getlinkpathc C s || _ d S r� r )r� r� r7 r7 r8 � _setlinkpath� s zTarInfo._setlinkpathc C s d| j j| jt| �f S )Nz<%s %r at %#x>)� __class__rz r� �idr� r7 r7 r8 �__repr__� s zTarInfo.__repr__c C sl | j | jd@ | j| j| j| j| j| j| j| j | j | j | j d� }|d t krh|d �d�sh|d d7 < |S )z9Return the TarInfo's attributes as a dictionary. � ) r� rt r! r" r r r� r� r� r# r$ r� r� r� r� �/)r� rt r! r" r r r� r� r� r# r$ r� r� �DIRTYPEr� )r� �infor7 r7 r8 �get_info� s" �zTarInfo.get_info�surrogateescapec C sT | � � }|tkr | �|||�S |tkr4| �|||�S |tkrH| �||�S td��dS )z<Return a tar header as a string of 512 byte blocks. zinvalid formatN)r � USTAR_FORMAT�create_ustar_headerrN �create_gnu_header� PAX_FORMAT�create_pax_headerrD )r� rU r5 r6 r r7 r7 r8 �tobuf� s z TarInfo.tobufc C sZ t |d< t|d �tkr td��t|d �tkrJ| �|d �\|d< |d< | �|t||�S )z3Return the object as a ustar header block. �magicr� zlinkname is too longr� �prefix)� POSIX_MAGICr1 � LENGTH_LINKrD � LENGTH_NAME�_posix_split_name�_create_headerr )r� r r5 r6 r7 r7 r8 r � s zTarInfo.create_ustar_headerc C sp t |d< d}t|d �tkr4|| �|d t||�7 }t|d �tkr\|| �|d t||�7 }|| �|t||� S )z:Return the object as a GNU header block sequence. r r� r� r� ) � GNU_MAGICr1 r �_create_gnu_long_header�GNUTYPE_LONGLINKr �GNUTYPE_LONGNAMEr rN )r� r r5 r6 rZ r7 r7 r8 r s zTarInfo.create_gnu_headerc C s( t |d< | j�� }ddtfddtfddfD ]h\}}}||v r>q*z|| �dd � W n" tyt || ||< Y q*Y n0 t|| �|kr*|| ||< q*d D ]`\}}||v r�d ||< q�|| }d | kr�d |d k r�n n t|t �r�t |�||< d ||< q�|�r| � |t |�} nd} | | � |tdd� S )z�Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. r r� r r� r )r# r# r+ )r$ r$ r+ r? r@ ))r! r- )r" r- )r � )r r! r r- r r� r� )r r� �copyr r r0 �UnicodeEncodeErrorr1 � isinstance�float�str�_create_pax_generic_header�XHDTYPEr r ) r� r r5 r� r� Zhnamer4 rT �valrZ r7 r7 r8 r s4 � * zTarInfo.create_pax_headerc C s | � |td�S )zAReturn the object as a pax global header block sequence. �utf8)r' �XGLTYPE)�clsr� r7 r7 r8 �create_pax_global_headerD s z TarInfo.create_pax_global_headerc C sj |dt d � }|r.|d dkr.|dd� }q|t|�d� }|dd� }|rZt|�tkrbtd��||fS )zUSplit a name longer than 100 chars into a prefix and a name part. Nr r: r zname is too long)� LENGTH_PREFIXr1 r rD )r� r� r r7 r7 r8 r J s zTarInfo._posix_split_namec C sV t | �dd�d||�t| �dd�d@ d|�t| �dd�d|�t| �d d�d|�t| �d d�d |�t| �d d�d |�d | �dt�t | �dd�d||�| �dt�t | �dd�d||�t | �dd�d||�t| �dd�d|�t| �dd�d|�t | �dd�d||�g}t�dt d�|��}t |t d� �d }|dd� d | � d � |d d� }|S ) z�Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. r� rp r rt r r r- r! r" r r! r s r� r� r r# r+ r$ r� r� r r z%dsr� Ni����z%06o r? i����) r9 �getrV r� r rO rQ r� rs r[ r0 )r rU r5 r6 �partsrZ r� r7 r7 r8 r Y s( �&zTarInfo._create_headerc C s. t t| �t�\}}|dkr*| t| t 7 } | S )zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )r^ r1 r� r2 )Zpayloadrc rd r7 r7 r8 �_create_payloadu s zTarInfo._create_payloadc C sR |� ||�t }i }d|d< ||d< t|�|d< t|d< | �|t||�| �|� S )zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkr� r� r r )r0 r2 r1 r r r r1 )r, r� r� r5 r6 r r7 r7 r8 r s �z TarInfo._create_gnu_long_headerc C s0 d}|� � D ]6\}}z|�dd� W q ty@ d}Y qDY q 0 q d}|rT|d7 }|� � D ]�\}}|�d�}|r�|�|d�}n |�d�}t|�t|� d }d } } |tt| �� } | | kr�q�| } q�|tt| �d �d | d | d 7 }q\i } d| d< || d< t|�| d< t| d< | �| td d�| � |� S )z�Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr* r@ Tr� s 21 hdrcharset=BINARY r r r r? � � =r� z././@PaxHeaderr� r� r r r� ) �itemsr0 r# r1 r& �bytesr r r r1 ) r, r� r� r5 Zbinary�keyword�valueZrecordsrL rH r= r r7 r7 r8 r' � s< ( �z"TarInfo._create_pax_generic_headerc C st t |�dkrtd��t |�tkr(td��|�t�tkr>td��t|dd� �}|t|�vrbt d��| � }t |dd� ||�|_ t|dd � �|_ t|d d � �|_ t|d d � �|_t|d d � �|_t|d d� �|_||_|dd � |_t |d d� ||�|_t |dd� ||�|_t |dd� ||�|_t|dd� �|_t|dd� �|_t |dd� ||�}|jtk�r�|j �d��r�t|_|jtk�r6d}g }t d�D ]j} z0t|||d � �} t||d |d � �} W n t �y� Y �qY n0 |� | | f� |d7 }�q�t |d �} t|dd � �} || | f|_ |�!� �rN|j �"d�|_ |�rp|jt#v�rp|d |j |_ |S ) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file headerrW rX z bad checksumr �l �t �| � � i i i) iI iQ iY i� r i� r. r! � i� i� i� )$r1 r� r� r� �countr2 r� rJ r[ rE r> r� rt r! r" r r r� r� r� r# r$ r� r� �AREGTYPEr� r �GNUTYPE_SPARSErF rD rr �boolr� �isdir�rstrip� GNU_TYPES)r, rZ r5 r6 r� �objr r� �structsrI r� �numbytes� isextended�origsizer7 r7 r8 �frombuf� sZ zTarInfo.frombufc C s8 |j �t�}| �||j|j�}|j �� t |_|�|�S )zOReturn the next TarInfo object from TarFile object tarfile. ) r� r\ r� rJ r5 r6 r� r� � _proc_member)r, r� rZ rE r7 r7 r8 � fromtarfile s zTarInfo.fromtarfilec C sT | j ttfv r| �|�S | j tkr,| �|�S | j tttfv rF| � |�S | � |�S dS )zYChoose the right processing method depending on the type and call it. N) r� r r � _proc_gnulongr@ � _proc_sparser( r+ �SOLARIS_XHDTYPE� _proc_pax� _proc_builtin�r� r� r7 r7 r8 rK s zTarInfo._proc_memberc C sR |j �� | _| j}| �� s$| jtvr4|| �| j�7 }||_| � |j |j |j � | S )zfProcess a builtin type or an unknown type which will be treated as a regular file. ) r� r� r� �isregr� �SUPPORTED_TYPES�_blockr r� �_apply_pax_infor� r5 r6 )r� r� r� r7 r7 r8 rQ $ s zTarInfo._proc_builtinc C s� |j �| �| j��}z| �|�}W n ty< td��Y n0 | j|_| jt krdt ||j |j �|_ n | jtkr�t ||j |j �|_|S )zSProcess the blocks that hold a GNU longname or longlink member. � missing or bad subsequent header)r� r\ rU r rL r� r� r� r� r r> r5 r6 r� r r� )r� r� rZ �nextr7 r7 r8 rM 5 s zTarInfo._proc_gnulongc C s� | j \}}}| ` |r�|j�t�}d}td�D ]l}z0t|||d � �}t||d |d � �} W n tyx Y q�Y n0 |r�| r�|�|| f� |d7 }q,t|d �}q|| _ |j� � | _ | j | � | j � |_|| _ | S )z8Process a GNU sparse header plus extra headers. r � r! r= i� )r� r� r\ r� rF rJ rD rr rA r� r� r� rU r r� ) r� r� rF rH rI rZ r� rI r� rG r7 r7 r8 rN K s( zTarInfo._proc_sparsec C s |j �| �| j��}| jtkr&|j}n |j�� }t� d|�}|durX|� d�� d�|d< |� d�}|dkrr|j }nd}t�d�}d}|�||�}|s��q&|�� \} } t| �} ||�d �d |�d�| d � } | �| dd|j�} | tv �r| �| ||j |j�} n| �| dd|j�} | || < || 7 }q�z| �|�} W n t�yP td ��Y n0 d |v �rj| �| |� nHd |v �r�| �| ||� n.|� d �dk�r�|� d�dk�r�| � | ||� | jt t fv �r| � ||j |j� | j | _ d|v �r| j!} | �"� �s| jt#v�r| | �| j�7 } | |_ | S )zVProcess an extended or global header as described in POSIX.1-2008. s \d+ hdrcharset=([^\n]+)\nNr r* � hdrcharsetZBINARYs (\d+) ([^=]+)=r r rW �GNU.sparse.map�GNU.sparse.sizezGNU.sparse.major�1zGNU.sparse.minorrA r )$r� r\ rU r r� r+ r� r" �re�search�groupr< r/ r5 �compile�match�groupsrC �endr� �_decode_pax_fieldr6 �PAX_NAME_FIELDSrL r� r� �_proc_gnusparse_01�_proc_gnusparse_00�_proc_gnusparse_10r( rO rV r� r� rS rT )r� r� rZ r� rb rZ r5 Zregexr� r4 r6 r7 rX r� r7 r7 r8 rP g sd $ � � � zTarInfo._proc_paxc C sh g }t �d|�D ]}|�t|�d��� qg }t �d|�D ]}|�t|�d��� q:tt||��|_dS )z?Process a GNU tar extended sparse header, version 0.0. s \d+ GNU.sparse.offset=(\d+)\nr s \d+ GNU.sparse.numbytes=(\d+)\nN)r^ �finditerrr rC r` �list�zipr� )r� rX r� rZ Zoffsetsrb rG r7 r7 r8 rh � s zTarInfo._proc_gnusparse_00c C s@ dd� |d � d�D �}tt|ddd� |ddd� ��|_dS )z?Process a GNU tar extended sparse header, version 0.1. c S s g | ] }t |��qS r7 )rC )�.0rm r7 r7 r8 � <listcomp>� r� z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>r[ �,Nr r )�splitrk rl r� )r� rX r� r� r7 r7 r8 rg � s zTarInfo._proc_gnusparse_01c C s� d}g }|j �t�}|�dd�\}}t|�}t|�|d k rtd|vrT||j �t�7 }|�dd�\}}|�t|�� q,|j �� |_t t |ddd� |ddd� ��|_ dS )z?Process a GNU tar extended sparse header, version 1.0. Nr� r r ) r� r\ r� rp rC r1 rr r� r� rk rl r� )r� rX r� r� �fieldsr� rZ Znumberr7 r7 r8 ri � s zTarInfo._proc_gnusparse_10c C s� |� � D ]�\}}|dkr&t| d|� q|dkr@t| dt|�� q|dkrZt| dt|�� q|tv r|tv r�zt| |�}W n ty� d}Y n0 |dkr�|�d�}t| ||� q|�� | _dS ) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer r\ r zGNU.sparse.realsizer r N) r4 �setattrrC � PAX_FIELDS�PAX_NUMBER_FIELDSrD rC r" r� )r� r� r5 r6 r6 r7 r7 r7 r8 rV � s" zTarInfo._apply_pax_infoc C s2 z|� |d�W S ty, |� ||� Y S 0 dS )z1Decode a single field from a pax record. r@ N)r< �UnicodeDecodeError)r� r7 r5 Zfallback_encodingZfallback_errorsr7 r7 r8 re s zTarInfo._decode_pax_fieldc C s" t |t�\}}|r|d7 }|t S )z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r )r^ r� )r� r> rc rd r7 r7 r8 rU s zTarInfo._blockc C s | j tv S r� )r� � REGULAR_TYPESr� r7 r7 r8 rS s z TarInfo.isregc C s | � � S r� )rS r� r7 r7 r8 �isfile s zTarInfo.isfilec C s | j tkS r� )r� r r� r7 r7 r8 rB s z TarInfo.isdirc C s | j tkS r� )r� �SYMTYPEr� r7 r7 r8 �issym s z TarInfo.issymc C s | j tkS r� )r� �LNKTYPEr� r7 r7 r8 �islnk s z TarInfo.islnkc C s | j tkS r� )r� �CHRTYPEr� r7 r7 r8 �ischr s z TarInfo.ischrc C s | j tkS r� )r� �BLKTYPEr� r7 r7 r8 �isblk" s z TarInfo.isblkc C s | j tkS r� )r� �FIFOTYPEr� r7 r7 r8 �isfifo$ s zTarInfo.isfifoc C s | j d uS r� )r� r� r7 r7 r8 �issparse& s zTarInfo.issparsec C s | j tttfv S r� )r� r| r~ r� r� r7 r7 r8 �isdev( s z TarInfo.isdevN)rp )4rz r{ r| r} � __slots__r� r r �propertyr r r r r r �DEFAULT_FORMAT�ENCODINGr r r r � classmethodr- r � staticmethodr r1 r r' rJ rL rK rQ rM rN rP rh rg ri rV re rU rS rw rB ry r{ r} r r� r� r� r7 r7 r7 r8 r � sf 1 2 > f r c @ s� e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZdVdd �Zedddefd d ��ZedWd d ��ZedXdd��ZedYdd��Zdddd�Zdd� Zdd� Zdd � Zd d � Z dZd d �Z d[d"d#�Z d\d$d%�Z d]d&d'�Z d^d)d*�Z!d_d,d-�Z"d.d/� Z#d`d0d1�Z$d2d3� Z%d4d5� Z&d6d7� Z'd8d9� Z(d:d;� Z)d<d=� Z*d>d?� Z+d@dA� Z,dBdC� Z-dDdE� Z.dadFdG�Z/dHdI� Z0dbdJdK�Z1dLdM� Z2dNdO� Z3dPdQ� Z4dRdS� Z5dTdU� Z6dS )cr z=The TarFile Class provides an interface to tar archives. r Fr Nrj r c C s� t |�dks|dvr td��|| _dddd�| | _|sn| jdkrZtj�|�sZd | _d| _t|| j�}d | _n0|d u r�t |d �r�|j }t |d �r�|j| _d| _|r�tj� |�nd | _ || _ |d ur�|| _ |d ur�|| _|d ur�|| _|d ur�|| _|d u�r|| _| | _| d u�r&| j tk�r&| | _ni | _| d u�r<| | _| d u�rL| | _d | _g | _d | _| j �� | _i | _ z�| jdk�r�d | _ | � � | _ | jdk�r"| j � | j� z | j� | �}| j�!|� W nX t"�y� | j � | j� Y �q"Y n2 t#�y } zt$t%| ���W Y d } ~ n d } ~ 0 0 �q�| jdv �rld| _| j�rl| j�&| j�'� �}| j �(|� | jt |�7 _W n& | j�s�| j �)� d| _� Y n0 d S )a� Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. r r� � mode must be 'r', 'a' or 'w'�rbzr+b�wb)rj �ark r� rk FNr� rt Trj �aw)*r1 rD rt �_moder� r �exists� bltn_openr� r� r� �abspathr� rU r� � dereference� ignore_zerosr5 r6 r r� �debug� errorlevelr� �members�_loadedr� r� �inodes� firstmemberrX r� rL rr r� r� r r& r- r" r] r� )r� r� rt r� rU r� r� r� r5 r6 r� r� r� �erZ r7 r7 r8 r� F s� & zTarFile.__init__c K s� |s|st d��|dv r�| jD ]�}t| | j| �}|durB|�� }z||d|fi |��W S ttfy� } z*|dur�|�|� W Y d} ~ q W Y d} ~ q d} ~ 0 0 q td���nd|v �r|�dd�\} }| p�d} |p�d}|| jv r�t| | j| �}n td | ��||| |fi |��S d |v �r�|�d d�\} }| �p:d} |�pDd}| d v�rXt d ��t|| |||�} z| || | fi |��} W n | � � � Y n0 d | _ | S |dv �r�| j |||fi |��S t d��dS )a| Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression 'a' or 'a:' open for appending, creating the file if necessary 'w' or 'w:' open for writing without compression 'w:gz' open for writing with gzip compression 'w:bz2' open for writing with bzip2 compression 'r|*' open a stream of tar blocks with transparent compression 'r|' open an uncompressed stream of tar blocks for reading 'r|gz' open a gzip compressed stream of tar blocks 'r|bz2' open a bzip2 compressed stream of tar blocks 'w|' open an uncompressed stream for writing 'w|gz' open a gzip compressed stream for writing 'w|bz2' open a bzip2 compressed stream for writing znothing to open)rj zr:*Nrj z%file could not be opened successfully�:r r� zunknown compression type %r�|�rw�mode must be 'r' or 'w'Fr� zundiscernible mode) rD � OPEN_METHr� r� r r� r� rp r� r� r� �taropen) r, r� rt r� r� �kwargsr� �funcZ saved_posr� rx �streamrn r7 r7 r8 r� � sN $ z TarFile.openc K s0 t |�dks|dvr td��| |||fi |��S )zCOpen uncompressed tar archive name for reading or writing. r r� r� )r1 rD )r, r� rt r� r� r7 r7 r8 r� � s zTarFile.taropenr� c K s� t |�dks|dvr td��zddl}|j W n ttfyL td��Y n0 |du}z.|�||d ||�}| j|||fi |��}W nX ty� |s�|dur�|� � |du r�� t d��Y n" |s�|dur�|� � � Y n0 ||_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. r r� r� r Nz gzip module is not availablere r� ) r1 rD �gzipZGzipFiler� �AttributeErrorr� r� r_ r� r r� ) r, r� rt r� � compresslevelr� r� Z extfileobjrn r7 r7 r8 �gzopen s. zTarFile.gzopenc K s� t |�dks|dvr td��z ddl}W n tyB td��Y n0 |durXt||�}n|j|||d�}z| j|||fi |��}W n& tt fy� |� � t d��Y n0 d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r r� zmode must be 'r' or 'w'.r Nr� )r� znot a bzip2 fileF) r1 rD r� r� r� r� �BZ2Filer� r_ �EOFErrorr� r r� )r, r� rt r� r� r� r� rn r7 r7 r8 �bz2open$ s zTarFile.bz2openr� r� r� )r� r� r� c C s� | j r dS | jdv rf| j�ttd � | jtd 7 _t| jt�\}}|dkrf| j�tt| � | j sv| j� � d| _ dS )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. Nr� r r T) r� rt r� r] r2 r� r� r^ � RECORDSIZEr� r� )r� rc rd r7 r7 r8 r� H s z TarFile.closec C s" | � |�}|du r td| ��|S )a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. Nzfilename %r not found)� _getmember�KeyError)r� r� r� r7 r7 r8 � getmember\ s zTarFile.getmemberc C s | � � | js| �� | jS )z�Return the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )�_checkr� �_loadr� r� r7 r7 r8 � getmembersg s zTarFile.getmembersc C s dd� | � � D �S )z�Return the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ] }|j �qS r7 r )rm r� r7 r7 r8 rn u r� z$TarFile.getnames.<locals>.<listcomp>)r� r� r7 r7 r8 �getnamesq s zTarFile.getnamesc C sh | � d� |dur|j}|du r$|}tj�|�\}}|�tjd�}|�d�}| �� }| |_ |du r�t td�r~| j s~t� |�}q�t� |�}nt�|�� �}d}|j}t �|��r |j|jf} | j s�|jdkr�| | jv r�|| j| kr�t} | j| }nt} | d �rt|| j| < nht �|��r t} nVt �|��r0t} nDt � |��rLt } t� |�}n(t � |��r^t } nt �!|��rpt"} ndS ||_||_#|j$|_%|j&|_'| tk�r�|j(|_)nd|_)|j*|_+| |_,||_-t.�r�zt.�/|j%�d |_0W n t1�y� Y n0 t2�r"zt2�3|j'�d |_4W n t1�y Y n0 | t t"fv �rdt td��rdt td ��rdt�5|j6�|_7t�8|j6�|_9|S ) aO Create a TarInfo object for either the file `name' or the file object `fileobj' (using os.fstat on its file descriptor). You can modify some of the TarInfo's attributes before you add it using addfile(). If given, `arcname' specifies an alternative name for the file in the archive. r� Nr �lstatrp r r �major�minor):r� r� r� r � splitdriver� �sep�lstripr� r� r� r� r� �stat�fstat�fileno�st_mode�S_ISREG�st_ino�st_dev�st_nlinkr� rz r� �S_ISDIRr �S_ISFIFOr� �S_ISLNKrx �readlink�S_ISCHRr| �S_ISBLKr~ rt �st_uidr! �st_gidr" �st_sizer �st_mtimer r� r� �pwd�getpwuidr# r� �grp�getgrgidr$ r� �st_rdevr� r� r� ) r� r� �arcnamer� �drvr� Zstatresr� Zstmd�inoder� r7 r7 r8 � gettarinfow s� � � zTarFile.gettarinfoTc C s | � � | D ]�}|r�tt|j�dd� td|jp4|j|jp>|jf dd� |�� sZ|� � rxtdd|j |j f dd� ntd|j dd� tdt �|j�dd � dd� t|j|�� r�d nd dd� |r�|�� r�td |jdd� |�� r�td |jdd� t� q dS )z�Print a table of contents to sys.stdout. If `verbose' is False, only the names of the members are printed. If it is True, an `ls -l'-like output is produced. � )rd z%s/%sz%10sz%d,%dz%10dz%d-%02d-%02d %02d:%02d:%02dNr� r rp z->zlink to)r� �printrx rt r# r! r$ r" r} r r� r� r r� � localtimer r� rB ry r� r{ )r� �verboser� r7 r7 r8 rk � s8 �� ���� z TarFile.listc C sn | � d� |du r|}|durPddl}|�dtd� ||�rP| �dd| � dS | jdur�tj�|�| jkr�| �dd| � dS | �d|� | � ||�}|du r�| �dd | � dS |dur�||�}|du r�| �dd| � dS |� � �r t |d �}| � ||� |� � n`|�� �r`| � |� |�rjt�|�D ].}| jtj�||�tj�||�|||d � �q.n | � |� dS ) a~ Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `exclude' is a function that should return True for each filename to be excluded. `filter' is a function that expects a TarInfo object argument and returns the changed TarInfo object, if it returns None the TarInfo object will be excluded from the archive. r� Nr z use the filter argument insteadr ztarfile: Excluded %rztarfile: Skipped %rr z tarfile: Unsupported type %rr� )�filter)r� �warnings�warn�DeprecationWarning�_dbgr� r� r r� r� rS r� �addfiler� rB �listdir�addrs ) r� r� r� � recursiveZexcluder� r� r� �fr7 r7 r8 r� � sH � � z TarFile.addc C s� | � d� t�|�}|�| j| j| j�}| j�|� | jt |�7 _|dur�t || j|j � t |j t �\}}|dkr�| j�tt | � |d7 }| j|t 7 _| j�|� dS )a] Add the TarInfo object `tarinfo' to the archive. If `fileobj' is given, tarinfo.size bytes are read from it and added to the archive. You can create TarInfo objects using gettarinfo(). On Windows platforms, `fileobj' should always be opened with mode 'rb' to avoid irritation about the file size. r� Nr r )r� r" r rU r5 r6 r� r] r� r1 rf r r^ r� r2 r� rr )r� r� r� rZ rc rd r7 r7 r8 r� 4 s zTarFile.addfile�.c C s� g }|du r| }|D ]<}|� � r:|�|� t�|�}d|_| j|||� � d� q|jdd� d� |�� |D ]�}tj� ||j �}z(| � ||� | � ||� | � ||� W qn ty� } z*| jdkrȂ n| �dd| � W Y d}~qnd}~0 0 qndS ) aM Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). N� �� set_attrsc S s | j S r� r )r� r7 r7 r8 �<lambda>d r� z$TarFile.extractall.<locals>.<lambda>)�keyr � tarfile: %s)rB rr r" rt �extract�sort�reverser� r rs r� �chown�utime�chmodr~ r� r� )r� r r� Z directoriesr� �dirpathr� r7 r7 r8 � extractallN s* zTarFile.extractallrp c C s | � d� t|t�r | �|�}n|}|�� r>tj�||j�|_ z | j |tj�||j �|d� W n� t y� } zP| j dkr|� n6|jdu r�| �dd|j � n| �dd|j|jf � W Y d}~nLd}~0 t�y } z*| j dkr� n| �dd| � W Y d}~n d}~0 0 dS )ax Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. rj r� r Nr r� ztarfile: %s %r)r� r$ r& r� r{ r� r rs r� r� �_extract_memberr� �EnvironmentErrorr� �filenamer� �strerrorr~ )r� �memberr r� r� r� r7 r7 r8 r� t s( � , zTarFile.extractc C s� | � d� t|t�r | �|�}n|}|�� r8| �| |�S |jtvrN| �| |�S |�� s^|� � r�t| j t �rtt d��q�| � | �|��S ndS dS )a� Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file, a file-like object is returned. If `member' is a link, a file-like object is constructed from the link's target. If `member' is none of the above, None is returned. The file-like object is read-only and provides the following methods: read(), readline(), readlines(), seek() and tell() rj z'cannot extract (sym)link as file objectN)r� r$ r& r� rS � fileobjectr� rT r{ ry r� r� r� � extractfile�_find_link_target)r� r� r� r7 r7 r8 r� � s zTarFile.extractfilec C sR |� d�}|�dtj�}tj�|�}|r>tj�|�s>t�|� |�� sN|� � rh| � dd|j |j f � n| � d|j � |� � r�| �||� n�|�� r�| �||� nx|�� r�| �||� nb|�� s�|�� r�| �||� nD|�� s�|� � r�| �||� n&|jtv�r| �||� n | �||� |�rN| �||� |� � �sN| �||� | � ||� dS )z\Extract the TarInfo object tarinfo to a physical file called targetpath. r r z%s -> %sN) rC r� r� r� r �dirnamer� �makedirsr{ ry r� r� r� rS �makefilerB �makedirr� �makefifor} r �makedev�makelinkr� rT � makeunknownr� r� r� )r� r� � targetpathr� Z upperdirsr7 r7 r8 r� � s4 zTarFile._extract_memberc C sH zt �|d� W n2 tyB } z|jtjkr.� W Y d}~n d}~0 0 dS )z,Make a directory called targetpath. r� N)r� �mkdirr� �errnoZEEXIST�r� r� r r� r7 r7 r8 r� � s zTarFile.makedirc C s| | j }|�|j� t|d�}|jdurN|jD ] \}}|�|� t|||� q,nt|||j� |�|j� |�� |�� dS )z'Make a file called targetpath. r� N) r� r� r� r� r� rf r �truncater� )r� r� r �source�targetr� r r7 r7 r8 r� � s zTarFile.makefilec C s" | � ||� | �dd|j � dS )zYMake a file from a TarInfo object with an unknown type at targetpath. r z9tarfile: Unknown file type %r, extracted as regular file.N)r� r� r� �r� r� r r7 r7 r8 r s �zTarFile.makeunknownc C s" t td�rt�|� ntd��dS )z'Make a fifo called targetpath. �mkfifoz fifo not supported by systemN)r� r� r r~ r r7 r7 r8 r� s zTarFile.makefifoc C s^ t td�rt td�s td��|j}|�� r6|tjO }n |tjO }t�||t� |j |j �� dS )z<Make a character or block device called targetpath. �mknodr� z'special devices not supported by systemN) r� r� r~ rt r r� �S_IFBLK�S_IFCHRr r� r� r� )r� r� r rt r7 r7 r8 r� s �zTarFile.makedevc C s� zL|� � rt�|j|� n0tj�|j�r8t�|j|� n| �| � |�|� W n< t y� |� � r~tj� tj� |j �|j�}n|j}Y n40 z| �| � |�|� W n ty� td��Y n0 dS )z�Make a (symbolic) link called targetpath. If it cannot be created (platform limitation), we try to make a copy of the referenced file instead of a link. z%unable to resolve link inside archiveN)ry r� �symlinkr� r r� r� �linkr� r� �symlink_exceptionrs r� r� r� r~ )r� r� r r r7 r7 r8 r ' s( � � � zTarFile.makelinkc C s� t r�ttd�r�t�� dkr�zt�|j�d }W n tyF |j}Y n0 zt � |j �d }W n tyt |j }Y n0 z>|� � r�ttd�r�t� |||� ntjdkr�t�|||� W n, ty� } ztd��W Y d}~n d}~0 0 dS )z6Set owner of targetpath according to tarinfo. �geteuidr r �lchownZos2emxzcould not change ownerN)r� r� r� r r� �getgrnamr$ r� r" �getpwnamr# r! ry r �sys�platformr� r� r~ )r� r� r �g�ur� r7 r7 r8 r� D s z TarFile.chownc C sN t td�rJzt�||j� W n, tyH } ztd��W Y d}~n d}~0 0 dS )zASet file permissions of targetpath according to tarinfo. r� zcould not change modeN)r� r� r� rt r� r~ r r7 r7 r8 r� Z s z TarFile.chmodc C sX t td�sdS zt�||j|jf� W n, tyR } ztd��W Y d}~n d}~0 0 dS )zBSet modification time of targetpath according to tarinfo. r� Nz"could not change modification time)r� r� r� r r� r~ r r7 r7 r8 r� c s z TarFile.utimec C s� | � d� | jdur$| j}d| _|S | j�| j� d}z| j�| �}W �q� ty� } zD| jr�| � dd| j|f � | jt 7 _W Y d}~q6W Y d}~�q�d}~0 t �y } z\| jr�| � dd| j|f � | jt 7 _W Y d}~q6n| jdk�rt t |���W Y d}~n�d}~0 t�y> | jdk�r:t d��Y nn t�yz } z$| jdk�rft t |���W Y d}~n:d}~0 t�y� } zt t |���W Y d}~n d}~0 0 �q�q6|du�r�| j�|� nd| _|S )z�Return the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. ZraNr z0x%X: %sr z empty fileT)r� r� r� r� r� r� rL r� r� r� r� rE r r& r� r� r� r� rr r� )r� �mr� r� r7 r7 r8 rX n sD " " z TarFile.nextc C sn | � � }|dur"|d|�|�� }|r2tj�|�}t|�D ].}|rRtj�|j�}n|j}||kr:| S q:dS )z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. N)r� �indexr� r �normpath�reversedr� )r� r� r� � normalizer� r� � member_namer7 r7 r8 r� � s zTarFile._getmemberc C s | � � }|du r qq d| _dS )zWRead through the entire archive file and look for readable members. NT)rX r� �r� r� r7 r7 r8 r� � s z TarFile._loadc C s: | j rtd| jj ��|dur6| j|vr6td| j ��dS )znCheck if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. z %s is closedNzbad operation for mode %r)r� r_ r rz rt )r� rt r7 r7 r8 r� � s zTarFile._checkc C sX |� � r&tj�|j�d |j }d}n |j}|}| j||dd�}|du rTtd| ��|S )zZFind the target member of a symlink or hardlink member in the archive. r NT)r� r zlinkname %r not found)ry r� r r� r� r� r� r� )r� r� r� �limitr� r7 r7 r8 r� � s zTarFile._find_link_targetc C s | j rt| j�S t| �S dS )z$Provide an iterator object. N)r� �iterr� �TarIterr� r7 r7 r8 r� � s zTarFile.__iter__c C s || j krt|tjd� dS )z.Write debugging output to sys.stderr. )�fileN)r� r� r �stderr)r� �level�msgr7 r7 r8 r� � s z TarFile._dbgc C s | � � | S r� )r� r� r7 r7 r8 � __enter__� s zTarFile.__enter__c C s, |d u r| � � n| js"| j� � d| _d S r� )r� r� r� r� )r� r� r7 � tracebackr7 r7 r8 �__exit__� s zTarFile.__exit__) Nrj NNNNNNr NNN)rj N)rj Nr� )rj Nr� )NNN)T)NTNN)N)r� N)rp T)T)NF)N)7rz r{ r| r} r� r� r� r� r� rU r� r5 r6 r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rk r� r� r� r� r� r� r� r� r r� r� r r� r� r� rX r� r� r� r� r� r� r' r) r7 r7 r7 r8 r , sp � kK � b > & #& 0 1 r c @ s, e Zd ZdZdd� Zdd� Zdd� ZeZdS ) r" zMIterator Class. for tarinfo in TarFile(...): suite... c C s || _ d| _dS )z$Construct a TarIter object. r N)r� r rR r7 r7 r8 r� s zTarIter.__init__c C s | S )z Return iterator object. r7 r� r7 r7 r8 r� s zTarIter.__iter__c C s` | j js$| j �� }|sNd| j _t�n*z| j j| j }W n tyL t�Y n0 | jd7 _|S )z�Return the next item using TarFile's next() method. When all members have been read, set TarFile as _loaded. Tr )r� r� rX � StopIterationr� r � IndexErrorr r7 r7 r8 �__next__ s zTarIter.__next__N)rz r{ r| r} r� r� r, rX r7 r7 r7 r8 r" � s r" c C s0 zt | �}|�� W dS ty* Y dS 0 dS )zfReturn True if name points to a tar archive that we are able to handle, else return False. TFN)r� r� r )r� rn r7 r7 r8 r # s r )N)wZ __future__r � __version__�version� __author__Z__date__Z __cvsid__� __credits__r r� r� r r� rO r" r^ r� r� r� r� �NotImplementedErrorr Z WindowsError� NameError�__all__� version_infoZ __builtin__�builtinsr� Z_openr2 r� r� r r r r r. r� r? rz rx r| r~ r r� ZCONTTYPEr r r@ r( r+ rO r rN r r� rT rv rD rs �setrf r% rC rt �S_IFLNK�S_IFREGr �S_IFDIRr �S_IFIFOZTSUIDZTSGIDZTSVTXZTUREADZTUWRITEZTUEXECZTGREADZTGWRITEZTGEXECZTOREADZTOWRITEZTOEXECr� r� �getfilesystemencodingr9 r> rJ rV r[ rf rq rx � Exceptionr r~ r r� r� r� r� r� r� rE r� �objectr� r� r� r� r� r� r r r" r r� r7 r7 r7 r8 �<module> sN ���� � � � �� i?K T* _vendor/distlib/_backport/__pycache__/tarfile.cpython-39.pyc 0000644 00000172347 15114542003 0020076 0 ustar 00 a [��f�i � @ sF d dl mZ dZdZdZdZdZdZd dlZd dl Z d dl Z d dl Z d dl Z d dl Z d dlZd dlZzd dlZd dlZW n ey� d ZZY n0 eefZzeef7 ZW n ey� Y n0 g d �Zejd d k r�d dlZnd dlZej Z d Z d Z e d Z dZ!dZ"dZ#dZ$dZ%dZ&d Z'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/dZ0d Z1d Z2d Z3d Z4d Z5d Z6d!Z7e6Z8e&e'e(e)e,e-e.e*e+e/e0e1f Z9e&e'e.e1fZ:e/e0e1fZ;d"Z<e=d#�Z>e?e?e?e@e@e@d$�ZAd%ZBd&ZCd'ZDd(ZEd)ZFd*ZGd+ZHd,ZId ZJd-ZKd.ZLd/ZMd0ZNd1ZOd2ZPd3ZQd!ZRd ZSe jTd4v �rd5ZUne�V� ZUd6d7� ZWd8d9� ZXd:d;� ZYd2e8fd<d=�ZZd>d?� Z[d{d@dA�Z\eBdBfeCdCfeDdDfeEdEfeFdFfeGdGffeKdHffeLdIffeMeHB dJfeHdKfeMdLffeNdHffeOdIffePeIB dJfeIdKfePdLffeQdHffeRdIffeSeJB dMfeJdNfeSdLfff Z]dOdP� Z^G dQdR� dRe_�Z`G dSdT� dTe`�ZaG dUdV� dVe`�ZbG dWdX� dXe`�ZcG dYdZ� dZe`�ZdG d[d\� d\e`�ZeG d]d^� d^ee�ZfG d_d`� d`ee�ZgG dadb� dbee�ZhG dcdd� ddee�ZiG dedf� dfee�ZjG dgdh� dhek�ZlG didj� djek�ZmG dkdl� dlek�ZnG dmdn� dnek�ZoG dodp� dpek�ZpG dqdr� drek�ZqG dsdt� dtek�ZrG dudv� dvek�ZsG dwdx� dxek�Ztdydz� Zue Zvesj Z dS )|� )�print_functionz $Revision$z0.9.0u" Lars Gustäbel (lars@gustaebel.de)z5$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $z?$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $u4 Gustavo Niemeyer, Niels Gustäbel, Richard Townsend.N)�TarFile�TarInfo� is_tarfile�TarError� � � � s ustar s ustar 00�d � � 0� 1� 2� 3� 4� 5� 6� 7� L� K� S� x� g� X� � )�path�linkpath�size�mtime�uid�gid�uname�gname)r r r# r$ )Zatime�ctimer r! r" r i � i � i ` � @ i i i � � � �@ � � � � )�ntZcezutf-8c C s( | � ||�} | d|� |t| � t S )z8Convert a string to a null-terminated bytes object. N)�encode�len�NUL)�s�length�encoding�errors� r7 �I/usr/lib/python3.9/site-packages/pip/_vendor/distlib/_backport/tarfile.py�stn� s r9 c C s* | � d�}|dkr | d|� } | �||�S )z8Convert a null-terminated bytes object to a string. r ���N)�find�decode)r3 r5 r6 �pr7 r7 r8 �nts� s r> c C s� | d t d�krHztt| dd�p"dd�}W q~ tyD td��Y q~0 n6d}tt| �d �D ] }|dK }|t| |d �7 }q\|S ) z/Convert a number field to a python number. r r) �ascii�strict�0r- zinvalid headerr )�chr�intr> � ValueError�InvalidHeaderError�ranger1 �ord)r3 �n�ir7 r7 r8 �nti� s rJ c C s� d| kr d|d k r<n n d|d | f � d�t }n||tksT| d|d kr\td��| dk r|t�dt�d | ��d } t� }t|d �D ] }|� d| d @ � | dL } q�|� dd � |S ) z/Convert a python number to a number field. r r- r z%0*or? r( zoverflow in number field�L�l� r) ) r0 r2 � GNU_FORMATrD �struct�unpack�pack� bytearrayrF �insert)rH �digits�formatr3 rI r7 r7 r8 �itn� s rV c C sh dt t�d| dd� �t�d| dd� � � }dt t�d| dd� �t�d | dd� � � }||fS ) a� Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. r( Z148BN� Z356B� r Z148bZ356b)�sumrO rP )�bufZunsigned_chksumZ signed_chksumr7 r7 r8 � calc_chksums� s 00r[ c C s� |dkr dS |du r4| � d�}|s$q0|�|� qdS d}t||�\}}t|�D ],}| � |�}t|�|k rptd��|�|� qN|dkr�| � |�}t|�|k r�td��|�|� dS )zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. r Nr& zend of file reached)�read�write�divmodrF r1 �IOError)�src�dstr4 rZ �BUFSIZE�blocks� remainder�br7 r7 r8 � copyfileobj s* rf rL �-re �d�cr= �r�wr3 �S�x�t�Tc C sJ g }t D ]6}|D ]"\}}| |@ |kr|�|� qq|�d� qd�|�S )zcConvert a file's mode to a string of the form -rwxrwxrwx. 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Supports reading and writing. It is used instead of a regular file object for streaming access. c C sF t jt jt jB t jB d�| }tt d�r2|t jO }t �||d�| _d S )N)rj rk �O_BINARYi� ) �os�O_RDONLY�O_WRONLY�O_CREAT�O_TRUNC�hasattrr� �open�fd)�self�namert r7 r7 r8 �__init__r s �� z_LowLevelFile.__init__c C s t �| j� d S �N)r� �closer� �r� r7 r7 r8 r� { s z_LowLevelFile.closec C s t �| j|�S r� )r� r\ r� �r� r r7 r7 r8 r\ ~ s z_LowLevelFile.readc C s t �| j|� d S r� )r� r] r� �r� r3 r7 r7 r8 r] � s z_LowLevelFile.writeN)rz r{ r| r} r� r� r\ r] r7 r7 r7 r8 r� l s r� c @ st e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z d dd�Z d dd�Z dd� Zdd� ZdS ) �_Streama� Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. 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TNF�*rp � r �gzz zlib module is not availablerj �bz2�bz2 module is not available)� _extfileobjr� � _StreamProxy� getcomptyper� rt �comptype�fileobj�bufsizerZ �pos�closed�zlib� ImportErrorr� �crc32�crc� _init_read_gz�_init_write_gzr� �dbuf�BZ2Decompressor�cmp� BZ2Compressorr� )r� r� rt r� r� r� r� r� r7 r7 r8 r� � sP z_Stream.__init__c C s t | d�r| js| �� d S )Nr� )r� r� r� r� r7 r7 r8 �__del__� s z_Stream.__del__c C s� | j �d| j j| j j | j jd�| _t�dtt � � ��}| � d| d � | j � d�rf| j dd� | _ | � | j � d d �t � dS ) z6Initialize for writing with gzip compression. � r �<Ls �s �z.gzN���z iso-8859-1�replace)r� � compressobj�DEFLATED� MAX_WBITS� DEF_MEM_LEVELr� rO rQ rC �time�_Stream__writer� �endswithr0 r2 )r� Z timestampr7 r7 r8 r� � s � z_Stream._init_write_gzc C sR | j dkr | j�|| j�| _| jt|�7 _| j dkrD| j�|�}| �|� dS )z&Write string s to the stream. r� �tarN) r� r� r� r� r� r1 r� �compressr� r� r7 r7 r8 r] � s z _Stream.writec C sN | j |7 _ t| j �| jkrJ| j�| j d| j� � | j | jd� | _ qdS )z]Write string s to the stream if a whole new block is ready to be written. N)rZ r1 r� r� r] r� r7 r7 r8 Z__write� s z_Stream.__writec C s� | j r dS | jdkr2| jdkr2| j| j�� 7 _| jdkr�| jr�| j�| j� d| _| jdkr�| j�t� d| j d@ �� | j�t� d| j d@ �� | j s�| j� � d| _ dS ) z[Close the _Stream object. No operation should be done on it afterwards. Nrk r� r� r� r� l �� T)r� rt r� rZ r� �flushr� r] rO rQ r� r� r� r� r� r7 r7 r8 r� � s z _Stream.closec C s� | j �| j j �| _d| _| �d�dkr0td��| �d�dkrFtd��t| �d��}| �d� |d @ r�t| �d��d t| �d�� }| � |� |d @ r�| �d�}|r�|t kr�q�q�|d @ r�| �d�}|r�|t kr�q�q�|d@ r�| �d� d S )z:Initialize for reading a gzip compressed fileobj. r� r s ��not a gzip filer � z unsupported compression method� r. r( r- r, N) r� � decompressobjr� r� r� � _Stream__readr r� rG r\ r2 )r� �flagZxlenr3 r7 r7 r8 r� s* z_Stream._init_read_gzc C s | j S )z3Return the stream's file pointer position. �r� r� r7 r7 r8 �tell# s z _Stream.tellr c C sX || j dkrJt|| j | j�\}}t|�D ]}| �| j� q,| �|� ntd��| j S )zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r� r^ r� rF r\ r� )r� r� rc rd rI r7 r7 r8 �seek( s z _Stream.seekNc C sV |du r6g }| � | j�}|s q*|�|� q d�|�}n | � |�}| jt|�7 _|S )z�Return the next size number of bytes from the stream. If size is not defined, return all bytes of the stream up to EOF. Nrp )�_readr� rr rs r� r1 )r� r rn rZ r7 r7 r8 r\ 5 s z _Stream.readc C s� | j dkr| �|�S t| j�}||k r�| �| j�}|s8q�z| j�|�}W n tyb td��Y n0 | j|7 _|t|�7 }q | jd|� }| j|d� | _|S )z+Return size bytes from the stream. r� zinvalid compressed dataN) r� r� r1 r� r� r� � decompressr_ r �r� r ri rZ r7 r7 r8 r� G s z _Stream._readc C sd t | j�}||k rB| j�| j�}|s&qB| j|7 _|t |�7 }q | jd|� }| j|d� | _|S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. N)r1 rZ r� r\ r� r� r7 r7 r8 Z__read\ s z_Stream.__read)r )N)rz r{ r| r} r� r� r� r] r� r� r� r� r� r\ r� r� r7 r7 r7 r8 r� � s 4 r� c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) r� zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s || _ | j �t�| _d S r� )r� r\ � BLOCKSIZErZ )r� r� r7 r7 r8 r� q s z_StreamProxy.__init__c C s | j j| _| jS r� )r� r\ rZ r� r7 r7 r8 r\ u s z_StreamProxy.readc C s$ | j �d�rdS | j �d�r dS dS )Ns �r� s BZh91r� r� )rZ � startswithr� r7 r7 r8 r� y s z_StreamProxy.getcomptypec C s | j �� d S r� )r� r� r� r7 r7 r8 r� � s z_StreamProxy.closeN)rz r{ r| r} r� r\ r� r� r7 r7 r7 r8 r� l s r� c @ sL e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zd d � Z d d� Z dd� Z dS )� _BZ2Proxya Small proxy class that enables external file object support for "r:bz2" and "w:bz2" modes. This is actually a workaround for a limitation in bz2 module's BZ2File class which (unlike gzip.GzipFile) has no support for a file object argument. r& c C s( || _ || _t| j dd �| _| �� d S )Nr� )r� rt �getattrr� �init)r� r� rt r7 r7 r8 r� � s z_BZ2Proxy.__init__c C sD dd l }d| _| jdkr6|�� | _| j�d� d| _n |�� | _d S )Nr rj r� ) r� r� rt r� �bz2objr� r� rZ r� )r� r� r7 r7 r8 r� � s z_BZ2Proxy.initc C s� t | j�}||k rN| j�| j�}|s&qN| j�|�}| j|7 _|t |�7 }q | jd |� }| j|d � | _| jt |�7 _|S r� )r1 rZ r� r\ � blocksizer� r� r� )r� r rm �raw�datarZ r7 r7 r8 r\ � s z_BZ2Proxy.readc C s& || j k r| �� | �|| j � d S r� )r� r� r\ )r� r� r7 r7 r8 r� � s z_BZ2Proxy.seekc C s | j S r� r� r� r7 r7 r8 r� � s z_BZ2Proxy.tellc C s. | j t|�7 _ | j�|�}| j�|� d S r� )r� r1 r� r� r� r] )r� r� r� r7 r7 r8 r] � s z_BZ2Proxy.writec C s$ | j dkr | j�� }| j�|� d S )Nrk )rt r� r� r� r] )r� r� r7 r7 r8 r� � s z_BZ2Proxy.closeN) rz r{ r| r} r� r� r� r\ r� r� r] r� r7 r7 r7 r8 r� � s r� c @ s< e Zd ZdZd dd�Zdd� Zdd� Zd d � Zdd d �ZdS )� _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C s� || _ || _|| _d| _|d u r*d|fg}d| _g | _d}| j}|D ]L\}}||krh| j�d||d f� | j�d||| |f� ||7 }|| }qD|| jk r�| j�d|| jd f� d S )Nr FT)r� �offsetr �position� map_index�maprr )r� r� r� r Z blockinfoZlastposZrealposr7 r7 r8 r� � s$ z_FileInFile.__init__c C s t | jd�sdS | j�� S )N�seekableT)r� r� r� r� r7 r7 r8 r� � s z_FileInFile.seekablec C s | j S )�*Return the current file position. �r� r� r7 r7 r8 r� � s z_FileInFile.tellc C s || _ dS )�(Seek to a position in the file. Nr� )r� r� r7 r7 r8 r� � s z_FileInFile.seekc C s� |du r| j | j }nt|| j | j �}d}|dkr�| j| j \}}}}|| j kr^|k rfq� nq�q4| jd7 _| jt| j�kr4d| _q4t||| j �}|r�| j�|| j| � || j�|�7 }n |t | 7 }||8 }| j|7 _q,|S )z!Read data from the file. Nr� r r ) r r� �minr� r� r1 r� r� r\ r2 )r� r rZ r� �start�stopr� r4 r7 r7 r8 r\ � s& z_FileInFile.read)N)N) rz r{ r| r} r� r� r� r� r\ r7 r7 r7 r8 r� � s r� c @ sz e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zdd d �Z e Z d dd�Z dd� Z dd� Z ejfdd�Zdd� Zdd� Zd S ) � ExFileObjectzaFile-like object for reading an archive member. Is returned by TarFile.extractfile(). r' c C sD t |j|j|j|j�| _|j| _d| _d| _|j| _d| _d| _ d S )Nrj Fr r� ) r� r� � offset_datar �sparser� rt r� r� �buffer)r� �tarfile�tarinfor7 r7 r8 r� s �zExFileObject.__init__c C s dS �NTr7 r� r7 r7 r8 �readable! s zExFileObject.readablec C s dS )NFr7 r� r7 r7 r8 �writable$ s zExFileObject.writablec C s | j �� S r� )r� r� r� r7 r7 r8 r� ' s zExFileObject.seekableNc C s� | j rtd��d}| jrL|du r.| j}d| _n | jd|� }| j|d� | _|du rd|| j�� 7 }n|| j�|t|� �7 }| jt|�7 _|S )z~Read at most size bytes from the file. If size is not present or None, read all data until EOF is reached. � I/O operation on closed filer� N)r� rD r� r� r\ r1 r� )r� r rZ r7 r7 r8 r\ * s zExFileObject.readr: c C s� | j rtd��| j�d�d }|dkrt| j�| j�}| j|7 _|rNd|v r&| j�d�d }|dkrtt| j�}qtq&|dkr�t||�}| jd|� }| j|d� | _| j t|�7 _ |S )z�Read one entire line from the file. If size is present and non-negative, return a string with at most that size, which may be an incomplete line. r� � r r r: N) r� rD r� r; r� r\ r� r1 r� r� )r� r r� rZ r7 r7 r8 �readlineE s" zExFileObject.readlinec C s" g }| � � }|sq |�|� q|S )z0Return a list with all remaining lines. )r� rr )r� �result�liner7 r7 r8 � readlinesb s zExFileObject.readlinesc C s | j rtd��| jS )r� r� )r� rD r� r� r7 r7 r8 r� l s zExFileObject.tellc C s� | j rtd��|tjkr.tt|d�| j�| _nj|tjkrj|dk rTt| j| d�| _q�t| j| | j�| _n.|tj kr�tt| j| | j�d�| _ntd��d| _ | j � | j� dS )r� r� r zInvalid argumentr� N) r� rD r� �SEEK_SETr� �maxr r� �SEEK_CUR�SEEK_ENDr� r� r� )r� r� �whencer7 r7 r8 r� t s zExFileObject.seekc C s d| _ dS )z Close the file object. TN)r� r� r7 r7 r8 r� � s zExFileObject.closec c s | � � }|sq|V q dS )z/Get an iterator over the file's lines. N)r� )r� r� r7 r7 r8 �__iter__� s zExFileObject.__iter__)N)r: )rz r{ r| r} r� r� r� r� r� r\ �read1r� r� r� r� r� r� r� r� r7 r7 r7 r8 r� s r� c @ s� e Zd ZdZdZdVdd�Zdd� Zdd � Zeee�Z d d � Z d d � Z ee e �Z dd� Z dd� Zeedfdd�Zdd� Zdd� Zdd� Zedd � �Zd d � Zed d � �Zed!d"� �Zed#d$� �Zed%d&� �Z ed'd(� �Z ed)d*� �Z d+d,� Z d-d.� Z d/d0� Z!d1d2� Z"d3d4� Z#d5d6� Z$d7d8� Z%d9d:� Z&d;d<� Z'd=d>� Z(d?d@� Z)dAdB� Z*dCdD� Z+dEdF� Z,dGdH� Z-dIdJ� Z.dKdL� Z/dMdN� Z0dOdP� Z1dQdR� Z2dSdT� Z3dUS )Wr a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. )r� rt r! r" r r �chksum�type�linknamer# r$ �devmajor�devminorr� r� � pax_headersr� r� �_sparse_structs� _link_targetrp c C sj || _ d| _d| _d| _d| _d| _d| _t| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _i | _dS )zXConstruct a TarInfo object. name is the optional name of the member. i� r rp N)r� rt r! r" r r r� �REGTYPEr� r� r# r$ r� r� r� r� r� r� �r� r� r7 r7 r8 r� � s" zTarInfo.__init__c C s | j S r� �r� r� r7 r7 r8 �_getpath� s zTarInfo._getpathc C s || _ d S r� r r r7 r7 r8 �_setpath� s zTarInfo._setpathc C s | j S r� �r� r� r7 r7 r8 � _getlinkpath� s zTarInfo._getlinkpathc C s || _ d S r� r )r� r� r7 r7 r8 � _setlinkpath� s zTarInfo._setlinkpathc C s d| j j| jt| �f S )Nz<%s %r at %#x>)� __class__rz r� �idr� r7 r7 r8 �__repr__� s zTarInfo.__repr__c C sl | j | jd@ | j| j| j| j| j| j| j| j | j | j | j d� }|d t krh|d �d�sh|d d7 < |S )z9Return the TarInfo's attributes as a dictionary. � ) r� rt r! r" r r r� r� r� r# r$ r� r� r� r� �/)r� rt r! r" r r r� r� r� r# r$ r� r� �DIRTYPEr� )r� �infor7 r7 r8 �get_info� s" �zTarInfo.get_info�surrogateescapec C sT | � � }|tkr | �|||�S |tkr4| �|||�S |tkrH| �||�S td��dS )z<Return a tar header as a string of 512 byte blocks. zinvalid formatN)r � USTAR_FORMAT�create_ustar_headerrN �create_gnu_header� PAX_FORMAT�create_pax_headerrD )r� rU r5 r6 r r7 r7 r8 �tobuf� s z TarInfo.tobufc C sZ t |d< t|d �tkr td��t|d �tkrJ| �|d �\|d< |d< | �|t||�S )z3Return the object as a ustar header block. �magicr� zlinkname is too longr� �prefix)� POSIX_MAGICr1 � LENGTH_LINKrD � LENGTH_NAME�_posix_split_name�_create_headerr )r� r r5 r6 r7 r7 r8 r � s zTarInfo.create_ustar_headerc C sp t |d< d}t|d �tkr4|| �|d t||�7 }t|d �tkr\|| �|d t||�7 }|| �|t||� S )z:Return the object as a GNU header block sequence. r r� r� r� ) � GNU_MAGICr1 r �_create_gnu_long_header�GNUTYPE_LONGLINKr �GNUTYPE_LONGNAMEr rN )r� r r5 r6 rZ r7 r7 r8 r s zTarInfo.create_gnu_headerc C s( t |d< | j�� }ddtfddtfddfD ]h\}}}||v r>q*z|| �dd � W n" tyt || ||< Y q*Y n0 t|| �|kr*|| ||< q*d D ]`\}}||v r�d ||< q�|| }d | kr�d |d k r�n n t|t �r�t |�||< d ||< q�|�r| � |t |�} nd} | | � |tdd� S )z�Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. r r� r r� r )r# r# r+ )r$ r$ r+ r? r@ ))r! r- )r" r- )r � )r r! r r- r r� r� )r r� �copyr r r0 �UnicodeEncodeErrorr1 � isinstance�float�str�_create_pax_generic_header�XHDTYPEr r ) r� r r5 r� r� Zhnamer4 rT �valrZ r7 r7 r8 r s4 � * zTarInfo.create_pax_headerc C s | � |td�S )zAReturn the object as a pax global header block sequence. �utf8)r' �XGLTYPE)�clsr� r7 r7 r8 �create_pax_global_headerD s z TarInfo.create_pax_global_headerc C sj |dt d � }|r.|d dkr.|dd� }q|t|�d� }|dd� }|rZt|�tkrbtd��||fS )zUSplit a name longer than 100 chars into a prefix and a name part. Nr r: r zname is too long)� LENGTH_PREFIXr1 r rD )r� r� r r7 r7 r8 r J s zTarInfo._posix_split_namec C sV t | �dd�d||�t| �dd�d@ d|�t| �dd�d|�t| �d d�d|�t| �d d�d |�t| �d d�d |�d | �dt�t | �dd�d||�| �dt�t | �dd�d||�t | �dd�d||�t| �dd�d|�t| �dd�d|�t | �dd�d||�g}t�dt d�|��}t |t d� �d }|dd� d | � d � |d d� }|S ) z�Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. r� rp r rt r r r- r! r" r r! r s r� r� r r# r+ r$ r� r� r r z%dsr� Ni����z%06o r? i����) r9 �getrV r� r rO rQ r� rs r[ r0 )r rU r5 r6 �partsrZ r� r7 r7 r8 r Y s( �&zTarInfo._create_headerc C s. t t| �t�\}}|dkr*| t| t 7 } | S )zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )r^ r1 r� r2 )Zpayloadrc rd r7 r7 r8 �_create_payloadu s zTarInfo._create_payloadc C sR |� ||�t }i }d|d< ||d< t|�|d< t|d< | �|t||�| �|� S )zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkr� r� r r )r0 r2 r1 r r r r1 )r, r� r� r5 r6 r r7 r7 r8 r s �z TarInfo._create_gnu_long_headerc C s0 d}|� � D ]6\}}z|�dd� W q ty@ d}Y qDY q 0 q d}|rT|d7 }|� � D ]�\}}|�d�}|r�|�|d�}n |�d�}t|�t|� d }d } } |tt| �� } | | kr�q�| } q�|tt| �d �d | d | d 7 }q\i } d| d< || d< t|�| d< t| d< | �| td d�| � |� S )z�Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr* r@ Tr� s 21 hdrcharset=BINARY r r r r? � � =r� z././@PaxHeaderr� r� r r r� ) �itemsr0 r# r1 r& �bytesr r r r1 ) r, r� r� r5 Zbinary�keyword�valueZrecordsrL rH r= r r7 r7 r8 r' � s< ( �z"TarInfo._create_pax_generic_headerc C st t |�dkrtd��t |�tkr(td��|�t�tkr>td��t|dd� �}|t|�vrbt d��| � }t |dd� ||�|_ t|dd � �|_ t|d d � �|_ t|d d � �|_t|d d � �|_t|d d� �|_||_|dd � |_t |d d� ||�|_t |dd� ||�|_t |dd� ||�|_t|dd� �|_t|dd� �|_t |dd� ||�}|jtk�r�|j �d��r�t|_|jtk�r6d}g }t d�D ]j} z0t|||d � �} t||d |d � �} W n t �y� Y �qY n0 |� | | f� |d7 }�q�t |d �} t|dd � �} || | f|_ |�!� �rN|j �"d�|_ |�rp|jt#v�rp|d |j |_ |S ) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file headerrW rX z bad checksumr �l �t �| � � i i i) iI iQ iY i� r i� r. r! � i� i� i� )$r1 r� r� r� �countr2 r� rJ r[ rE r> r� rt r! r" r r r� r� r� r# r$ r� r� �AREGTYPEr� r �GNUTYPE_SPARSErF rD rr �boolr� �isdir�rstrip� GNU_TYPES)r, rZ r5 r6 r� �objr r� �structsrI r� �numbytes� isextended�origsizer7 r7 r8 �frombuf� sZ zTarInfo.frombufc C s8 |j �t�}| �||j|j�}|j �� t |_|�|�S )zOReturn the next TarInfo object from TarFile object tarfile. ) r� r\ r� rJ r5 r6 r� r� � _proc_member)r, r� rZ rE r7 r7 r8 � fromtarfile s zTarInfo.fromtarfilec C sT | j ttfv r| �|�S | j tkr,| �|�S | j tttfv rF| � |�S | � |�S dS )zYChoose the right processing method depending on the type and call it. N) r� r r � _proc_gnulongr@ � _proc_sparser( r+ �SOLARIS_XHDTYPE� _proc_pax� _proc_builtin�r� r� r7 r7 r8 rK s zTarInfo._proc_memberc C sR |j �� | _| j}| �� s$| jtvr4|| �| j�7 }||_| � |j |j |j � | S )zfProcess a builtin type or an unknown type which will be treated as a regular file. ) r� r� r� �isregr� �SUPPORTED_TYPES�_blockr r� �_apply_pax_infor� r5 r6 )r� r� r� r7 r7 r8 rQ $ s zTarInfo._proc_builtinc C s� |j �| �| j��}z| �|�}W n ty< td��Y n0 | j|_| jt krdt ||j |j �|_ n | jtkr�t ||j |j �|_|S )zSProcess the blocks that hold a GNU longname or longlink member. � missing or bad subsequent header)r� r\ rU r rL r� r� r� r� r r> r5 r6 r� r r� )r� r� rZ �nextr7 r7 r8 rM 5 s zTarInfo._proc_gnulongc C s� | j \}}}| ` |r�|j�t�}d}td�D ]l}z0t|||d � �}t||d |d � �} W n tyx Y q�Y n0 |r�| r�|�|| f� |d7 }q,t|d �}q|| _ |j� � | _ | j | � | j � |_|| _ | S )z8Process a GNU sparse header plus extra headers. r � r! r= i� )r� r� r\ r� rF rJ rD rr rA r� r� r� rU r r� ) r� r� rF rH rI rZ r� rI r� rG r7 r7 r8 rN K s( zTarInfo._proc_sparsec C s |j �| �| j��}| jtkr&|j}n |j�� }t� d|�}|durX|� d�� d�|d< |� d�}|dkrr|j }nd}t�d�}d}|�||�}|s��q&|�� \} } t| �} ||�d �d |�d�| d � } | �| dd|j�} | tv �r| �| ||j |j�} n| �| dd|j�} | || < || 7 }q�z| �|�} W n t�yP td ��Y n0 d |v �rj| �| |� nHd |v �r�| �| ||� n.|� d �dk�r�|� d�dk�r�| � | ||� | jt t fv �r| � ||j |j� | j | _ d|v �r| j!} | �"� �s| jt#v�r| | �| j�7 } | |_ | S )zVProcess an extended or global header as described in POSIX.1-2008. s \d+ hdrcharset=([^\n]+)\nNr r* � hdrcharsetZBINARYs (\d+) ([^=]+)=r r rW �GNU.sparse.map�GNU.sparse.sizezGNU.sparse.major�1zGNU.sparse.minorrA r )$r� r\ rU r r� r+ r� r" �re�search�groupr< r/ r5 �compile�match�groupsrC �endr� �_decode_pax_fieldr6 �PAX_NAME_FIELDSrL r� r� �_proc_gnusparse_01�_proc_gnusparse_00�_proc_gnusparse_10r( rO rV r� r� rS rT )r� r� rZ r� rb rZ r5 Zregexr� r4 r6 r7 rX r� r7 r7 r8 rP g sd $ � � � zTarInfo._proc_paxc C sh g }t �d|�D ]}|�t|�d��� qg }t �d|�D ]}|�t|�d��� q:tt||��|_dS )z?Process a GNU tar extended sparse header, version 0.0. s \d+ GNU.sparse.offset=(\d+)\nr s \d+ GNU.sparse.numbytes=(\d+)\nN)r^ �finditerrr rC r` �list�zipr� )r� rX r� rZ Zoffsetsrb rG r7 r7 r8 rh � s zTarInfo._proc_gnusparse_00c C s@ dd� |d � d�D �}tt|ddd� |ddd� ��|_dS )z?Process a GNU tar extended sparse header, version 0.1. c S s g | ] }t |��qS r7 )rC )�.0rm r7 r7 r8 � <listcomp>� r� z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>r[ �,Nr r )�splitrk rl r� )r� rX r� r� r7 r7 r8 rg � s zTarInfo._proc_gnusparse_01c C s� d}g }|j �t�}|�dd�\}}t|�}t|�|d k rtd|vrT||j �t�7 }|�dd�\}}|�t|�� q,|j �� |_t t |ddd� |ddd� ��|_ dS )z?Process a GNU tar extended sparse header, version 1.0. Nr� r r ) r� r\ r� rp rC r1 rr r� r� rk rl r� )r� rX r� r� �fieldsr� rZ Znumberr7 r7 r8 ri � s zTarInfo._proc_gnusparse_10c C s� |� � D ]�\}}|dkr&t| d|� q|dkr@t| dt|�� q|dkrZt| dt|�� q|tv r|tv r�zt| |�}W n ty� d}Y n0 |dkr�|�d�}t| ||� q|�� | _dS ) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer r\ r zGNU.sparse.realsizer r N) r4 �setattrrC � PAX_FIELDS�PAX_NUMBER_FIELDSrD rC r" r� )r� r� r5 r6 r6 r7 r7 r7 r8 rV � s" zTarInfo._apply_pax_infoc C s2 z|� |d�W S ty, |� ||� Y S 0 dS )z1Decode a single field from a pax record. r@ N)r< �UnicodeDecodeError)r� r7 r5 Zfallback_encodingZfallback_errorsr7 r7 r8 re s zTarInfo._decode_pax_fieldc C s" t |t�\}}|r|d7 }|t S )z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r )r^ r� )r� r> rc rd r7 r7 r8 rU s zTarInfo._blockc C s | j tv S r� )r� � REGULAR_TYPESr� r7 r7 r8 rS s z TarInfo.isregc C s | � � S r� )rS r� r7 r7 r8 �isfile s zTarInfo.isfilec C s | j tkS r� )r� r r� r7 r7 r8 rB s z TarInfo.isdirc C s | j tkS r� )r� �SYMTYPEr� r7 r7 r8 �issym s z TarInfo.issymc C s | j tkS r� )r� �LNKTYPEr� r7 r7 r8 �islnk s z TarInfo.islnkc C s | j tkS r� )r� �CHRTYPEr� r7 r7 r8 �ischr s z TarInfo.ischrc C s | j tkS r� )r� �BLKTYPEr� r7 r7 r8 �isblk" s z TarInfo.isblkc C s | j tkS r� )r� �FIFOTYPEr� r7 r7 r8 �isfifo$ s zTarInfo.isfifoc C s | j d uS r� )r� r� r7 r7 r8 �issparse& s zTarInfo.issparsec C s | j tttfv S r� )r� r| r~ r� r� r7 r7 r8 �isdev( s z TarInfo.isdevN)rp )4rz r{ r| r} � __slots__r� r r �propertyr r r r r r �DEFAULT_FORMAT�ENCODINGr r r r � classmethodr- r � staticmethodr r1 r r' rJ rL rK rQ rM rN rP rh rg ri rV re rU rS rw rB ry r{ r} r r� r� r� r7 r7 r7 r8 r � sf 1 2 > f r c @ s� e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZdVdd �Zedddefd d ��ZedWd d ��ZedXdd��ZedYdd��Zdddd�Zdd� Zdd� Zdd � Zd d � Z dZd d �Z d[d"d#�Z d\d$d%�Z d]d&d'�Z d^d)d*�Z!d_d,d-�Z"d.d/� Z#d`d0d1�Z$d2d3� Z%d4d5� Z&d6d7� Z'd8d9� Z(d:d;� Z)d<d=� Z*d>d?� Z+d@dA� Z,dBdC� Z-dDdE� Z.dadFdG�Z/dHdI� Z0dbdJdK�Z1dLdM� Z2dNdO� Z3dPdQ� Z4dRdS� Z5dTdU� Z6dS )cr z=The TarFile Class provides an interface to tar archives. r Fr Nrj r c C s� t |�dks|dvr td��|| _dddd�| | _|sn| jdkrZtj�|�sZd | _d| _t|| j�}d | _n0|d u r�t |d �r�|j }t |d �r�|j| _d| _|r�tj� |�nd | _ || _ |d ur�|| _ |d ur�|| _|d ur�|| _|d ur�|| _|d u�r|| _| | _| d u�r&| j tk�r&| | _ni | _| d u�r<| | _| d u�rL| | _d | _g | _d | _| j �� | _i | _ z�| jdk�r�d | _ | � � | _ | jdk�r"| j � | j� z | j� | �}| j�!|� W nX t"�y� | j � | j� Y �q"Y n2 t#�y } zt$t%| ���W Y d } ~ n d } ~ 0 0 �q�| jdv �rld| _| j�rl| j�&| j�'� �}| j �(|� | jt |�7 _W n& | j�s�| j �)� d| _� Y n0 d S )a� Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. r r� � mode must be 'r', 'a' or 'w'�rbzr+b�wb)rj �ark r� rk FNr� rt Trj �aw)*r1 rD rt �_moder� r �exists� bltn_openr� r� r� �abspathr� rU r� � dereference� ignore_zerosr5 r6 r r� �debug� errorlevelr� �members�_loadedr� r� �inodes� firstmemberrX r� rL rr r� r� r r& r- r" r] r� )r� r� rt r� rU r� r� r� r5 r6 r� r� r� �erZ r7 r7 r8 r� F s� & zTarFile.__init__c K s� |s|st d��|dv r�| jD ]�}t| | j| �}|durB|�� }z||d|fi |��W S ttfy� } z*|dur�|�|� W Y d} ~ q W Y d} ~ q d} ~ 0 0 q td���nd|v �r|�dd�\} }| p�d} |p�d}|| jv r�t| | j| �}n td | ��||| |fi |��S d |v �r�|�d d�\} }| �p:d} |�pDd}| d v�rXt d ��t|| |||�} z| || | fi |��} W n | � � � Y n0 d | _ | S |dv �r�| j |||fi |��S t d��dS )a| Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression 'a' or 'a:' open for appending, creating the file if necessary 'w' or 'w:' open for writing without compression 'w:gz' open for writing with gzip compression 'w:bz2' open for writing with bzip2 compression 'r|*' open a stream of tar blocks with transparent compression 'r|' open an uncompressed stream of tar blocks for reading 'r|gz' open a gzip compressed stream of tar blocks 'r|bz2' open a bzip2 compressed stream of tar blocks 'w|' open an uncompressed stream for writing 'w|gz' open a gzip compressed stream for writing 'w|bz2' open a bzip2 compressed stream for writing znothing to open)rj zr:*Nrj z%file could not be opened successfully�:r r� zunknown compression type %r�|�rw�mode must be 'r' or 'w'Fr� zundiscernible mode) rD � OPEN_METHr� r� r r� r� rp r� r� r� �taropen) r, r� rt r� r� �kwargsr� �funcZ saved_posr� rx �streamrn r7 r7 r8 r� � sN $ z TarFile.openc K s0 t |�dks|dvr td��| |||fi |��S )zCOpen uncompressed tar archive name for reading or writing. r r� r� )r1 rD )r, r� rt r� r� r7 r7 r8 r� � s zTarFile.taropenr� c K s� t |�dks|dvr td��zddl}|j W n ttfyL td��Y n0 |du}z.|�||d ||�}| j|||fi |��}W nX ty� |s�|dur�|� � |du r�� t d��Y n" |s�|dur�|� � � Y n0 ||_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. r r� r� r Nz gzip module is not availablere r� ) r1 rD �gzipZGzipFiler� �AttributeErrorr� r� r_ r� r r� ) r, r� rt r� � compresslevelr� r� Z extfileobjrn r7 r7 r8 �gzopen s. zTarFile.gzopenc K s� t |�dks|dvr td��z ddl}W n tyB td��Y n0 |durXt||�}n|j|||d�}z| j|||fi |��}W n& tt fy� |� � t d��Y n0 d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r r� zmode must be 'r' or 'w'.r Nr� )r� znot a bzip2 fileF) r1 rD r� r� r� r� �BZ2Filer� r_ �EOFErrorr� r r� )r, r� rt r� r� r� r� rn r7 r7 r8 �bz2open$ s zTarFile.bz2openr� r� r� )r� r� r� c C s� | j r dS | jdv rf| j�ttd � | jtd 7 _t| jt�\}}|dkrf| j�tt| � | j sv| j� � d| _ dS )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. Nr� r r T) r� rt r� r] r2 r� r� r^ � RECORDSIZEr� r� )r� rc rd r7 r7 r8 r� H s z TarFile.closec C s" | � |�}|du r td| ��|S )a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. Nzfilename %r not found)� _getmember�KeyError)r� r� r� r7 r7 r8 � getmember\ s zTarFile.getmemberc C s | � � | js| �� | jS )z�Return the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )�_checkr� �_loadr� r� r7 r7 r8 � getmembersg s zTarFile.getmembersc C s dd� | � � D �S )z�Return the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ] }|j �qS r7 r )rm r� r7 r7 r8 rn u r� z$TarFile.getnames.<locals>.<listcomp>)r� r� r7 r7 r8 �getnamesq s zTarFile.getnamesc C sh | � d� |dur|j}|du r$|}tj�|�\}}|�tjd�}|�d�}| �� }| |_ |du r�t td�r~| j s~t� |�}q�t� |�}nt�|�� �}d}|j}t �|��r |j|jf} | j s�|jdkr�| | jv r�|| j| kr�t} | j| }nt} | d �rt|| j| < nht �|��r t} nVt �|��r0t} nDt � |��rLt } t� |�}n(t � |��r^t } nt �!|��rpt"} ndS ||_||_#|j$|_%|j&|_'| tk�r�|j(|_)nd|_)|j*|_+| |_,||_-t.�r�zt.�/|j%�d |_0W n t1�y� Y n0 t2�r"zt2�3|j'�d |_4W n t1�y Y n0 | t t"fv �rdt td��rdt td ��rdt�5|j6�|_7t�8|j6�|_9|S ) aO Create a TarInfo object for either the file `name' or the file object `fileobj' (using os.fstat on its file descriptor). You can modify some of the TarInfo's attributes before you add it using addfile(). If given, `arcname' specifies an alternative name for the file in the archive. r� Nr �lstatrp r r �major�minor):r� r� r� r � splitdriver� �sep�lstripr� r� r� r� r� �stat�fstat�fileno�st_mode�S_ISREG�st_ino�st_dev�st_nlinkr� rz r� �S_ISDIRr �S_ISFIFOr� �S_ISLNKrx �readlink�S_ISCHRr| �S_ISBLKr~ rt �st_uidr! �st_gidr" �st_sizer �st_mtimer r� r� �pwd�getpwuidr# r� �grp�getgrgidr$ r� �st_rdevr� r� r� ) r� r� �arcnamer� �drvr� Zstatresr� Zstmd�inoder� r7 r7 r8 � gettarinfow s� � � zTarFile.gettarinfoTc C s | � � | D ]�}|r�tt|j�dd� td|jp4|j|jp>|jf dd� |�� sZ|� � rxtdd|j |j f dd� ntd|j dd� tdt �|j�dd � dd� t|j|�� r�d nd dd� |r�|�� r�td |jdd� |�� r�td |jdd� t� q dS )z�Print a table of contents to sys.stdout. If `verbose' is False, only the names of the members are printed. If it is True, an `ls -l'-like output is produced. � )rd z%s/%sz%10sz%d,%dz%10dz%d-%02d-%02d %02d:%02d:%02dNr� r rp z->zlink to)r� �printrx rt r# r! r$ r" r} r r� r� r r� � localtimer r� rB ry r� r{ )r� �verboser� r7 r7 r8 rk � s8 �� ���� z TarFile.listc C sn | � d� |du r|}|durPddl}|�dtd� ||�rP| �dd| � dS | jdur�tj�|�| jkr�| �dd| � dS | �d|� | � ||�}|du r�| �dd | � dS |dur�||�}|du r�| �dd| � dS |� � �r t |d �}| � ||� |� � n`|�� �r`| � |� |�rjt�|�D ].}| jtj�||�tj�||�|||d � �q.n | � |� dS ) a~ Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `exclude' is a function that should return True for each filename to be excluded. `filter' is a function that expects a TarInfo object argument and returns the changed TarInfo object, if it returns None the TarInfo object will be excluded from the archive. r� Nr z use the filter argument insteadr ztarfile: Excluded %rztarfile: Skipped %rr z tarfile: Unsupported type %rr� )�filter)r� �warnings�warn�DeprecationWarning�_dbgr� r� r r� r� rS r� �addfiler� rB �listdir�addrs ) r� r� r� � recursiveZexcluder� r� r� �fr7 r7 r8 r� � sH � � z TarFile.addc C s� | � d� t�|�}|�| j| j| j�}| j�|� | jt |�7 _|dur�t || j|j � t |j t �\}}|dkr�| j�tt | � |d7 }| j|t 7 _| j�|� dS )a] Add the TarInfo object `tarinfo' to the archive. If `fileobj' is given, tarinfo.size bytes are read from it and added to the archive. You can create TarInfo objects using gettarinfo(). On Windows platforms, `fileobj' should always be opened with mode 'rb' to avoid irritation about the file size. r� Nr r )r� r" r rU r5 r6 r� r] r� r1 rf r r^ r� r2 r� rr )r� r� r� rZ rc rd r7 r7 r8 r� 4 s zTarFile.addfile�.c C s� g }|du r| }|D ]<}|� � r:|�|� t�|�}d|_| j|||� � d� q|jdd� d� |�� |D ]�}tj� ||j �}z(| � ||� | � ||� | � ||� W qn ty� } z*| jdkrȂ n| �dd| � W Y d}~qnd}~0 0 qndS ) aM Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). N� �� set_attrsc S s | j S r� r )r� r7 r7 r8 �<lambda>d r� z$TarFile.extractall.<locals>.<lambda>)�keyr � tarfile: %s)rB rr r" rt �extract�sort�reverser� r rs r� �chown�utime�chmodr~ r� r� )r� r r� Z directoriesr� �dirpathr� r7 r7 r8 � extractallN s* zTarFile.extractallrp c C s | � d� t|t�r | �|�}n|}|�� r>tj�||j�|_ z | j |tj�||j �|d� W n� t y� } zP| j dkr|� n6|jdu r�| �dd|j � n| �dd|j|jf � W Y d}~nLd}~0 t�y } z*| j dkr� n| �dd| � W Y d}~n d}~0 0 dS )ax Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. rj r� r Nr r� ztarfile: %s %r)r� r$ r& r� r{ r� r rs r� r� �_extract_memberr� �EnvironmentErrorr� �filenamer� �strerrorr~ )r� �memberr r� r� r� r7 r7 r8 r� t s( � , zTarFile.extractc C s� | � d� t|t�r | �|�}n|}|�� r8| �| |�S |jtvrN| �| |�S |�� s^|� � r�t| j t �rtt d��q�| � | �|��S ndS dS )a� Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file, a file-like object is returned. If `member' is a link, a file-like object is constructed from the link's target. If `member' is none of the above, None is returned. The file-like object is read-only and provides the following methods: read(), readline(), readlines(), seek() and tell() rj z'cannot extract (sym)link as file objectN)r� r$ r& r� rS � fileobjectr� rT r{ ry r� r� r� � extractfile�_find_link_target)r� r� r� r7 r7 r8 r� � s zTarFile.extractfilec C sR |� d�}|�dtj�}tj�|�}|r>tj�|�s>t�|� |�� sN|� � rh| � dd|j |j f � n| � d|j � |� � r�| �||� n�|�� r�| �||� nx|�� r�| �||� nb|�� s�|�� r�| �||� nD|�� s�|� � r�| �||� n&|jtv�r| �||� n | �||� |�rN| �||� |� � �sN| �||� | � ||� dS )z\Extract the TarInfo object tarinfo to a physical file called targetpath. r r z%s -> %sN) rC r� r� r� r �dirnamer� �makedirsr{ ry r� r� r� rS �makefilerB �makedirr� �makefifor} r �makedev�makelinkr� rT � makeunknownr� r� r� )r� r� � targetpathr� Z upperdirsr7 r7 r8 r� � s4 zTarFile._extract_memberc C sH zt �|d� W n2 tyB } z|jtjkr.� W Y d}~n d}~0 0 dS )z,Make a directory called targetpath. r� N)r� �mkdirr� �errnoZEEXIST�r� r� r r� r7 r7 r8 r� � s zTarFile.makedirc C s| | j }|�|j� t|d�}|jdurN|jD ] \}}|�|� t|||� q,nt|||j� |�|j� |�� |�� dS )z'Make a file called targetpath. r� N) r� r� r� r� r� rf r �truncater� )r� r� r �source�targetr� r r7 r7 r8 r� � s zTarFile.makefilec C s" | � ||� | �dd|j � dS )zYMake a file from a TarInfo object with an unknown type at targetpath. r z9tarfile: Unknown file type %r, extracted as regular file.N)r� r� r� �r� r� r r7 r7 r8 r s �zTarFile.makeunknownc C s" t td�rt�|� ntd��dS )z'Make a fifo called targetpath. �mkfifoz fifo not supported by systemN)r� r� r r~ r r7 r7 r8 r� s zTarFile.makefifoc C s^ t td�rt td�s td��|j}|�� r6|tjO }n |tjO }t�||t� |j |j �� dS )z<Make a character or block device called targetpath. �mknodr� z'special devices not supported by systemN) r� r� r~ rt r r� �S_IFBLK�S_IFCHRr r� r� r� )r� r� r rt r7 r7 r8 r� s �zTarFile.makedevc C s� zL|� � rt�|j|� n0tj�|j�r8t�|j|� n| �| � |�|� W n< t y� |� � r~tj� tj� |j �|j�}n|j}Y n40 z| �| � |�|� W n ty� td��Y n0 dS )z�Make a (symbolic) link called targetpath. If it cannot be created (platform limitation), we try to make a copy of the referenced file instead of a link. z%unable to resolve link inside archiveN)ry r� �symlinkr� r r� r� �linkr� r� �symlink_exceptionrs r� r� r� r~ )r� r� r r r7 r7 r8 r ' s( � � � zTarFile.makelinkc C s� t r�ttd�r�t�� dkr�zt�|j�d }W n tyF |j}Y n0 zt � |j �d }W n tyt |j }Y n0 z>|� � r�ttd�r�t� |||� ntjdkr�t�|||� W n, ty� } ztd��W Y d}~n d}~0 0 dS )z6Set owner of targetpath according to tarinfo. �geteuidr r �lchownZos2emxzcould not change ownerN)r� r� r� r r� �getgrnamr$ r� r" �getpwnamr# r! ry r �sys�platformr� r� r~ )r� r� r �g�ur� r7 r7 r8 r� D s z TarFile.chownc C sN t td�rJzt�||j� W n, tyH } ztd��W Y d}~n d}~0 0 dS )zASet file permissions of targetpath according to tarinfo. r� zcould not change modeN)r� r� r� rt r� r~ r r7 r7 r8 r� Z s z TarFile.chmodc C sX t td�sdS zt�||j|jf� W n, tyR } ztd��W Y d}~n d}~0 0 dS )zBSet modification time of targetpath according to tarinfo. r� Nz"could not change modification time)r� r� r� r r� r~ r r7 r7 r8 r� c s z TarFile.utimec C s� | � d� | jdur$| j}d| _|S | j�| j� d}z| j�| �}W �q� ty� } zD| jr�| � dd| j|f � | jt 7 _W Y d}~q6W Y d}~�q�d}~0 t �y } z\| jr�| � dd| j|f � | jt 7 _W Y d}~q6n| jdk�rt t |���W Y d}~n�d}~0 t�y> | jdk�r:t d��Y nn t�yz } z$| jdk�rft t |���W Y d}~n:d}~0 t�y� } zt t |���W Y d}~n d}~0 0 �q�q6|du�r�| j�|� nd| _|S )z�Return the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. ZraNr z0x%X: %sr z empty fileT)r� r� r� r� r� r� rL r� r� r� r� rE r r& r� r� r� r� rr r� )r� �mr� r� r7 r7 r8 rX n sD " " z TarFile.nextc C sn | � � }|dur"|d|�|�� }|r2tj�|�}t|�D ].}|rRtj�|j�}n|j}||kr:| S q:dS )z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. N)r� �indexr� r �normpath�reversedr� )r� r� r� � normalizer� r� � member_namer7 r7 r8 r� � s zTarFile._getmemberc C s | � � }|du r qq d| _dS )zWRead through the entire archive file and look for readable members. NT)rX r� �r� r� r7 r7 r8 r� � s z TarFile._loadc C s: | j rtd| jj ��|dur6| j|vr6td| j ��dS )znCheck if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. z %s is closedNzbad operation for mode %r)r� r_ r rz rt )r� rt r7 r7 r8 r� � s zTarFile._checkc C sX |� � r&tj�|j�d |j }d}n |j}|}| j||dd�}|du rTtd| ��|S )zZFind the target member of a symlink or hardlink member in the archive. r NT)r� r zlinkname %r not found)ry r� r r� r� r� r� r� )r� r� r� �limitr� r7 r7 r8 r� � s zTarFile._find_link_targetc C s | j rt| j�S t| �S dS )z$Provide an iterator object. N)r� �iterr� �TarIterr� r7 r7 r8 r� � s zTarFile.__iter__c C s || j krt|tjd� dS )z.Write debugging output to sys.stderr. )�fileN)r� r� r �stderr)r� �level�msgr7 r7 r8 r� � s z TarFile._dbgc C s | � � | S r� )r� r� r7 r7 r8 � __enter__� s zTarFile.__enter__c C s, |d u r| � � n| js"| j� � d| _d S r� )r� r� r� r� )r� r� r7 � tracebackr7 r7 r8 �__exit__� s zTarFile.__exit__) Nrj NNNNNNr NNN)rj N)rj Nr� )rj Nr� )NNN)T)NTNN)N)r� N)rp T)T)NF)N)7rz r{ r| r} r� r� r� r� r� rU r� r5 r6 r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rk r� r� r� r� r� r� r� r� r r� r� r r� r� r� rX r� r� r� r� r� r� r' r) r7 r7 r7 r8 r , sp � kK � b > & #& 0 1 r c @ s, e Zd ZdZdd� Zdd� Zdd� ZeZdS ) r" zMIterator Class. for tarinfo in TarFile(...): suite... c C s || _ d| _dS )z$Construct a TarIter object. r N)r� r rR r7 r7 r8 r� s zTarIter.__init__c C s | S )z Return iterator object. r7 r� r7 r7 r8 r� s zTarIter.__iter__c C s` | j js$| j �� }|sNd| j _t�n*z| j j| j }W n tyL t�Y n0 | jd7 _|S )z�Return the next item using TarFile's next() method. When all members have been read, set TarFile as _loaded. Tr )r� r� rX � StopIterationr� r � IndexErrorr r7 r7 r8 �__next__ s zTarIter.__next__N)rz r{ r| r} r� r� r, rX r7 r7 r7 r8 r" � s r" c C s0 zt | �}|�� W dS ty* Y dS 0 dS )zfReturn True if name points to a tar archive that we are able to handle, else return False. TFN)r� r� r )r� rn r7 r7 r8 r # s r )N)wZ __future__r � __version__�version� __author__Z__date__Z __cvsid__� __credits__r r� r� r r� rO r" r^ r� r� r� r� �NotImplementedErrorr Z WindowsError� NameError�__all__� version_infoZ __builtin__�builtinsr� Z_openr2 r� r� r r r r r. r� r? rz rx r| r~ r r� ZCONTTYPEr r r@ r( r+ rO r rN r r� rT rv rD rs �setrf r% rC rt �S_IFLNK�S_IFREGr �S_IFDIRr �S_IFIFOZTSUIDZTSGIDZTSVTXZTUREADZTUWRITEZTUEXECZTGREADZTGWRITEZTGEXECZTOREADZTOWRITEZTOEXECr� r� �getfilesystemencodingr9 r> rJ rV r[ rf rq rx � Exceptionr r~ r r� r� r� r� r� r� rE r� �objectr� r� r� r� r� r� r r r" r r� r7 r7 r7 r8 �<module> sN ���� � � � �� i?K T* _vendor/distlib/_backport/__init__.py 0000644 00000000422 15114542003 0013700 0 ustar 00 """Modules copied from Python 3 standard libraries, for internal use only. Individual classes and functions are found in d2._backport.misc. Intended usage is to always import things missing from 3.1 from that module: the built-in/stdlib objects will be used if found. """ _vendor/distlib/_backport/misc.py 0000644 00000001713 15114542003 0013100 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """Backports for individual classes and functions.""" import os import sys __all__ = ['cache_from_source', 'callable', 'fsencode'] try: from imp import cache_from_source except ImportError: def cache_from_source(py_file, debug=__debug__): ext = debug and 'c' or 'o' return py_file + ext try: callable = callable except NameError: from collections import Callable def callable(obj): return isinstance(obj, Callable) try: fsencode = os.fsencode except AttributeError: def fsencode(filename): if isinstance(filename, bytes): return filename elif isinstance(filename, str): return filename.encode(sys.getfilesystemencoding()) else: raise TypeError("expect bytes or str, not %s" % type(filename).__name__) _vendor/distlib/_backport/shutil.py 0000644 00000062153 15114542003 0013462 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """Utility functions for copying and archiving files and directory trees. XXX The functions here don't copy the resource fork or other metadata on Mac. """ import os import sys import stat from os.path import abspath import fnmatch try: from collections.abc import Callable except ImportError: from collections import Callable import errno from . import tarfile try: import bz2 _BZ2_SUPPORTED = True except ImportError: _BZ2_SUPPORTED = False try: from pwd import getpwnam except ImportError: getpwnam = None try: from grp import getgrnam except ImportError: getgrnam = None __all__ = ["copyfileobj", "copyfile", "copymode", "copystat", "copy", "copy2", "copytree", "move", "rmtree", "Error", "SpecialFileError", "ExecError", "make_archive", "get_archive_formats", "register_archive_format", "unregister_archive_format", "get_unpack_formats", "register_unpack_format", "unregister_unpack_format", "unpack_archive", "ignore_patterns"] class Error(EnvironmentError): pass class SpecialFileError(EnvironmentError): """Raised when trying to do a kind of operation (e.g. copying) which is not supported on a special file (e.g. a named pipe)""" class ExecError(EnvironmentError): """Raised when a command could not be executed""" class ReadError(EnvironmentError): """Raised when an archive cannot be read""" class RegistryError(Exception): """Raised when a registry operation with the archiving and unpacking registries fails""" try: WindowsError except NameError: WindowsError = None def copyfileobj(fsrc, fdst, length=16*1024): """copy data from file-like object fsrc to file-like object fdst""" while 1: buf = fsrc.read(length) if not buf: break fdst.write(buf) def _samefile(src, dst): # Macintosh, Unix. if hasattr(os.path, 'samefile'): try: return os.path.samefile(src, dst) except OSError: return False # All other platforms: check for same pathname. return (os.path.normcase(os.path.abspath(src)) == os.path.normcase(os.path.abspath(dst))) def copyfile(src, dst): """Copy data from src to dst""" if _samefile(src, dst): raise Error("`%s` and `%s` are the same file" % (src, dst)) for fn in [src, dst]: try: st = os.stat(fn) except OSError: # File most likely does not exist pass else: # XXX What about other special files? (sockets, devices...) if stat.S_ISFIFO(st.st_mode): raise SpecialFileError("`%s` is a named pipe" % fn) with open(src, 'rb') as fsrc: with open(dst, 'wb') as fdst: copyfileobj(fsrc, fdst) def copymode(src, dst): """Copy mode bits from src to dst""" if hasattr(os, 'chmod'): st = os.stat(src) mode = stat.S_IMODE(st.st_mode) os.chmod(dst, mode) def copystat(src, dst): """Copy all stat info (mode bits, atime, mtime, flags) from src to dst""" st = os.stat(src) mode = stat.S_IMODE(st.st_mode) if hasattr(os, 'utime'): os.utime(dst, (st.st_atime, st.st_mtime)) if hasattr(os, 'chmod'): os.chmod(dst, mode) if hasattr(os, 'chflags') and hasattr(st, 'st_flags'): try: os.chflags(dst, st.st_flags) except OSError as why: if (not hasattr(errno, 'EOPNOTSUPP') or why.errno != errno.EOPNOTSUPP): raise def copy(src, dst): """Copy data and mode bits ("cp src dst"). The destination may be a directory. """ if os.path.isdir(dst): dst = os.path.join(dst, os.path.basename(src)) copyfile(src, dst) copymode(src, dst) def copy2(src, dst): """Copy data and all stat info ("cp -p src dst"). The destination may be a directory. """ if os.path.isdir(dst): dst = os.path.join(dst, os.path.basename(src)) copyfile(src, dst) copystat(src, dst) def ignore_patterns(*patterns): """Function that can be used as copytree() ignore parameter. Patterns is a sequence of glob-style patterns that are used to exclude files""" def _ignore_patterns(path, names): ignored_names = [] for pattern in patterns: ignored_names.extend(fnmatch.filter(names, pattern)) return set(ignored_names) return _ignore_patterns def copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, ignore_dangling_symlinks=False): """Recursively copy a directory tree. The destination directory must not already exist. If exception(s) occur, an Error is raised with a list of reasons. If the optional symlinks flag is true, symbolic links in the source tree result in symbolic links in the destination tree; if it is false, the contents of the files pointed to by symbolic links are copied. If the file pointed by the symlink doesn't exist, an exception will be added in the list of errors raised in an Error exception at the end of the copy process. You can set the optional ignore_dangling_symlinks flag to true if you want to silence this exception. Notice that this has no effect on platforms that don't support os.symlink. The optional ignore argument is a callable. If given, it is called with the `src` parameter, which is the directory being visited by copytree(), and `names` which is the list of `src` contents, as returned by os.listdir(): callable(src, names) -> ignored_names Since copytree() is called recursively, the callable will be called once for each directory that is copied. It returns a list of names relative to the `src` directory that should not be copied. The optional copy_function argument is a callable that will be used to copy each file. It will be called with the source path and the destination path as arguments. By default, copy2() is used, but any function that supports the same signature (like copy()) can be used. """ names = os.listdir(src) if ignore is not None: ignored_names = ignore(src, names) else: ignored_names = set() os.makedirs(dst) errors = [] for name in names: if name in ignored_names: continue srcname = os.path.join(src, name) dstname = os.path.join(dst, name) try: if os.path.islink(srcname): linkto = os.readlink(srcname) if symlinks: os.symlink(linkto, dstname) else: # ignore dangling symlink if the flag is on if not os.path.exists(linkto) and ignore_dangling_symlinks: continue # otherwise let the copy occurs. copy2 will raise an error copy_function(srcname, dstname) elif os.path.isdir(srcname): copytree(srcname, dstname, symlinks, ignore, copy_function) else: # Will raise a SpecialFileError for unsupported file types copy_function(srcname, dstname) # catch the Error from the recursive copytree so that we can # continue with other files except Error as err: errors.extend(err.args[0]) except EnvironmentError as why: errors.append((srcname, dstname, str(why))) try: copystat(src, dst) except OSError as why: if WindowsError is not None and isinstance(why, WindowsError): # Copying file access times may fail on Windows pass else: errors.extend((src, dst, str(why))) if errors: raise Error(errors) def rmtree(path, ignore_errors=False, onerror=None): """Recursively delete a directory tree. If ignore_errors is set, errors are ignored; otherwise, if onerror is set, it is called to handle the error with arguments (func, path, exc_info) where func is os.listdir, os.remove, or os.rmdir; path is the argument to that function that caused it to fail; and exc_info is a tuple returned by sys.exc_info(). If ignore_errors is false and onerror is None, an exception is raised. """ if ignore_errors: def onerror(*args): pass elif onerror is None: def onerror(*args): raise try: if os.path.islink(path): # symlinks to directories are forbidden, see bug #1669 raise OSError("Cannot call rmtree on a symbolic link") except OSError: onerror(os.path.islink, path, sys.exc_info()) # can't continue even if onerror hook returns return names = [] try: names = os.listdir(path) except os.error: onerror(os.listdir, path, sys.exc_info()) for name in names: fullname = os.path.join(path, name) try: mode = os.lstat(fullname).st_mode except os.error: mode = 0 if stat.S_ISDIR(mode): rmtree(fullname, ignore_errors, onerror) else: try: os.remove(fullname) except os.error: onerror(os.remove, fullname, sys.exc_info()) try: os.rmdir(path) except os.error: onerror(os.rmdir, path, sys.exc_info()) def _basename(path): # A basename() variant which first strips the trailing slash, if present. # Thus we always get the last component of the path, even for directories. return os.path.basename(path.rstrip(os.path.sep)) def move(src, dst): """Recursively move a file or directory to another location. This is similar to the Unix "mv" command. If the destination is a directory or a symlink to a directory, the source is moved inside the directory. The destination path must not already exist. If the destination already exists but is not a directory, it may be overwritten depending on os.rename() semantics. If the destination is on our current filesystem, then rename() is used. Otherwise, src is copied to the destination and then removed. A lot more could be done here... A look at a mv.c shows a lot of the issues this implementation glosses over. """ real_dst = dst if os.path.isdir(dst): if _samefile(src, dst): # We might be on a case insensitive filesystem, # perform the rename anyway. os.rename(src, dst) return real_dst = os.path.join(dst, _basename(src)) if os.path.exists(real_dst): raise Error("Destination path '%s' already exists" % real_dst) try: os.rename(src, real_dst) except OSError: if os.path.isdir(src): if _destinsrc(src, dst): raise Error("Cannot move a directory '%s' into itself '%s'." % (src, dst)) copytree(src, real_dst, symlinks=True) rmtree(src) else: copy2(src, real_dst) os.unlink(src) def _destinsrc(src, dst): src = abspath(src) dst = abspath(dst) if not src.endswith(os.path.sep): src += os.path.sep if not dst.endswith(os.path.sep): dst += os.path.sep return dst.startswith(src) def _get_gid(name): """Returns a gid, given a group name.""" if getgrnam is None or name is None: return None try: result = getgrnam(name) except KeyError: result = None if result is not None: return result[2] return None def _get_uid(name): """Returns an uid, given a user name.""" if getpwnam is None or name is None: return None try: result = getpwnam(name) except KeyError: result = None if result is not None: return result[2] return None def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0, owner=None, group=None, logger=None): """Create a (possibly compressed) tar file from all the files under 'base_dir'. 'compress' must be "gzip" (the default), "bzip2", or None. 'owner' and 'group' can be used to define an owner and a group for the archive that is being built. If not provided, the current owner and group will be used. The output tar file will be named 'base_name' + ".tar", possibly plus the appropriate compression extension (".gz", or ".bz2"). Returns the output filename. """ tar_compression = {'gzip': 'gz', None: ''} compress_ext = {'gzip': '.gz'} if _BZ2_SUPPORTED: tar_compression['bzip2'] = 'bz2' compress_ext['bzip2'] = '.bz2' # flags for compression program, each element of list will be an argument if compress is not None and compress not in compress_ext: raise ValueError("bad value for 'compress', or compression format not " "supported : {0}".format(compress)) archive_name = base_name + '.tar' + compress_ext.get(compress, '') archive_dir = os.path.dirname(archive_name) if not os.path.exists(archive_dir): if logger is not None: logger.info("creating %s", archive_dir) if not dry_run: os.makedirs(archive_dir) # creating the tarball if logger is not None: logger.info('Creating tar archive') uid = _get_uid(owner) gid = _get_gid(group) def _set_uid_gid(tarinfo): if gid is not None: tarinfo.gid = gid tarinfo.gname = group if uid is not None: tarinfo.uid = uid tarinfo.uname = owner return tarinfo if not dry_run: tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress]) try: tar.add(base_dir, filter=_set_uid_gid) finally: tar.close() return archive_name def _call_external_zip(base_dir, zip_filename, verbose=False, dry_run=False): # XXX see if we want to keep an external call here if verbose: zipoptions = "-r" else: zipoptions = "-rq" from distutils.errors import DistutilsExecError from distutils.spawn import spawn try: spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run) except DistutilsExecError: # XXX really should distinguish between "couldn't find # external 'zip' command" and "zip failed". raise ExecError("unable to create zip file '%s': " "could neither import the 'zipfile' module nor " "find a standalone zip utility") % zip_filename def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None): """Create a zip file from all the files under 'base_dir'. The output zip file will be named 'base_name' + ".zip". Uses either the "zipfile" Python module (if available) or the InfoZIP "zip" utility (if installed and found on the default search path). If neither tool is available, raises ExecError. Returns the name of the output zip file. """ zip_filename = base_name + ".zip" archive_dir = os.path.dirname(base_name) if not os.path.exists(archive_dir): if logger is not None: logger.info("creating %s", archive_dir) if not dry_run: os.makedirs(archive_dir) # If zipfile module is not available, try spawning an external 'zip' # command. try: import zipfile except ImportError: zipfile = None if zipfile is None: _call_external_zip(base_dir, zip_filename, verbose, dry_run) else: if logger is not None: logger.info("creating '%s' and adding '%s' to it", zip_filename, base_dir) if not dry_run: zip = zipfile.ZipFile(zip_filename, "w", compression=zipfile.ZIP_DEFLATED) for dirpath, dirnames, filenames in os.walk(base_dir): for name in filenames: path = os.path.normpath(os.path.join(dirpath, name)) if os.path.isfile(path): zip.write(path, path) if logger is not None: logger.info("adding '%s'", path) zip.close() return zip_filename _ARCHIVE_FORMATS = { 'gztar': (_make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"), 'bztar': (_make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"), 'tar': (_make_tarball, [('compress', None)], "uncompressed tar file"), 'zip': (_make_zipfile, [], "ZIP file"), } if _BZ2_SUPPORTED: _ARCHIVE_FORMATS['bztar'] = (_make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file") def get_archive_formats(): """Returns a list of supported formats for archiving and unarchiving. Each element of the returned sequence is a tuple (name, description) """ formats = [(name, registry[2]) for name, registry in _ARCHIVE_FORMATS.items()] formats.sort() return formats def register_archive_format(name, function, extra_args=None, description=''): """Registers an archive format. name is the name of the format. function is the callable that will be used to create archives. If provided, extra_args is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_archive_formats() function. """ if extra_args is None: extra_args = [] if not isinstance(function, Callable): raise TypeError('The %s object is not callable' % function) if not isinstance(extra_args, (tuple, list)): raise TypeError('extra_args needs to be a sequence') for element in extra_args: if not isinstance(element, (tuple, list)) or len(element) !=2: raise TypeError('extra_args elements are : (arg_name, value)') _ARCHIVE_FORMATS[name] = (function, extra_args, description) def unregister_archive_format(name): del _ARCHIVE_FORMATS[name] def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0, dry_run=0, owner=None, group=None, logger=None): """Create an archive file (eg. zip or tar). 'base_name' is the name of the file to create, minus any format-specific extension; 'format' is the archive format: one of "zip", "tar", "bztar" or "gztar". 'root_dir' is a directory that will be the root directory of the archive; ie. we typically chdir into 'root_dir' before creating the archive. 'base_dir' is the directory where we start archiving from; ie. 'base_dir' will be the common prefix of all files and directories in the archive. 'root_dir' and 'base_dir' both default to the current directory. Returns the name of the archive file. 'owner' and 'group' are used when creating a tar archive. By default, uses the current owner and group. """ save_cwd = os.getcwd() if root_dir is not None: if logger is not None: logger.debug("changing into '%s'", root_dir) base_name = os.path.abspath(base_name) if not dry_run: os.chdir(root_dir) if base_dir is None: base_dir = os.curdir kwargs = {'dry_run': dry_run, 'logger': logger} try: format_info = _ARCHIVE_FORMATS[format] except KeyError: raise ValueError("unknown archive format '%s'" % format) func = format_info[0] for arg, val in format_info[1]: kwargs[arg] = val if format != 'zip': kwargs['owner'] = owner kwargs['group'] = group try: filename = func(base_name, base_dir, **kwargs) finally: if root_dir is not None: if logger is not None: logger.debug("changing back to '%s'", save_cwd) os.chdir(save_cwd) return filename def get_unpack_formats(): """Returns a list of supported formats for unpacking. Each element of the returned sequence is a tuple (name, extensions, description) """ formats = [(name, info[0], info[3]) for name, info in _UNPACK_FORMATS.items()] formats.sort() return formats def _check_unpack_options(extensions, function, extra_args): """Checks what gets registered as an unpacker.""" # first make sure no other unpacker is registered for this extension existing_extensions = {} for name, info in _UNPACK_FORMATS.items(): for ext in info[0]: existing_extensions[ext] = name for extension in extensions: if extension in existing_extensions: msg = '%s is already registered for "%s"' raise RegistryError(msg % (extension, existing_extensions[extension])) if not isinstance(function, Callable): raise TypeError('The registered function must be a callable') def register_unpack_format(name, extensions, function, extra_args=None, description=''): """Registers an unpack format. `name` is the name of the format. `extensions` is a list of extensions corresponding to the format. `function` is the callable that will be used to unpack archives. The callable will receive archives to unpack. If it's unable to handle an archive, it needs to raise a ReadError exception. If provided, `extra_args` is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_unpack_formats() function. """ if extra_args is None: extra_args = [] _check_unpack_options(extensions, function, extra_args) _UNPACK_FORMATS[name] = extensions, function, extra_args, description def unregister_unpack_format(name): """Removes the pack format from the registry.""" del _UNPACK_FORMATS[name] def _ensure_directory(path): """Ensure that the parent directory of `path` exists""" dirname = os.path.dirname(path) if not os.path.isdir(dirname): os.makedirs(dirname) def _unpack_zipfile(filename, extract_dir): """Unpack zip `filename` to `extract_dir` """ try: import zipfile except ImportError: raise ReadError('zlib not supported, cannot unpack this archive.') if not zipfile.is_zipfile(filename): raise ReadError("%s is not a zip file" % filename) zip = zipfile.ZipFile(filename) try: for info in zip.infolist(): name = info.filename # don't extract absolute paths or ones with .. in them if name.startswith('/') or '..' in name: continue target = os.path.join(extract_dir, *name.split('/')) if not target: continue _ensure_directory(target) if not name.endswith('/'): # file data = zip.read(info.filename) f = open(target, 'wb') try: f.write(data) finally: f.close() del data finally: zip.close() def _unpack_tarfile(filename, extract_dir): """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` """ try: tarobj = tarfile.open(filename) except tarfile.TarError: raise ReadError( "%s is not a compressed or uncompressed tar file" % filename) try: tarobj.extractall(extract_dir) finally: tarobj.close() _UNPACK_FORMATS = { 'gztar': (['.tar.gz', '.tgz'], _unpack_tarfile, [], "gzip'ed tar-file"), 'tar': (['.tar'], _unpack_tarfile, [], "uncompressed tar file"), 'zip': (['.zip'], _unpack_zipfile, [], "ZIP file") } if _BZ2_SUPPORTED: _UNPACK_FORMATS['bztar'] = (['.bz2'], _unpack_tarfile, [], "bzip2'ed tar-file") def _find_unpack_format(filename): for name, info in _UNPACK_FORMATS.items(): for extension in info[0]: if filename.endswith(extension): return name return None def unpack_archive(filename, extract_dir=None, format=None): """Unpack an archive. `filename` is the name of the archive. `extract_dir` is the name of the target directory, where the archive is unpacked. If not provided, the current working directory is used. `format` is the archive format: one of "zip", "tar", or "gztar". Or any other registered format. If not provided, unpack_archive will use the filename extension and see if an unpacker was registered for that extension. In case none is found, a ValueError is raised. """ if extract_dir is None: extract_dir = os.getcwd() if format is not None: try: format_info = _UNPACK_FORMATS[format] except KeyError: raise ValueError("Unknown unpack format '{0}'".format(format)) func = format_info[1] func(filename, extract_dir, **dict(format_info[2])) else: # we need to look at the registered unpackers supported extensions format = _find_unpack_format(filename) if format is None: raise ReadError("Unknown archive format '{0}'".format(filename)) func = _UNPACK_FORMATS[format][1] kwargs = dict(_UNPACK_FORMATS[format][2]) func(filename, extract_dir, **kwargs) _vendor/distlib/_backport/sysconfig.cfg 0000644 00000005071 15114542003 0014261 0 ustar 00 [posix_prefix] # Configuration directories. Some of these come straight out of the # configure script. They are for implementing the other variables, not to # be used directly in [resource_locations]. confdir = /etc datadir = /usr/share libdir = /usr/lib statedir = /var # User resource directory local = ~/.local/{distribution.name} stdlib = {base}/lib/python{py_version_short} platstdlib = {platbase}/lib/python{py_version_short} purelib = {base}/lib/python{py_version_short}/site-packages platlib = {platbase}/lib/python{py_version_short}/site-packages include = {base}/include/python{py_version_short}{abiflags} platinclude = {platbase}/include/python{py_version_short}{abiflags} data = {base} [posix_home] stdlib = {base}/lib/python platstdlib = {base}/lib/python purelib = {base}/lib/python platlib = {base}/lib/python include = {base}/include/python platinclude = {base}/include/python scripts = {base}/bin data = {base} [nt] stdlib = {base}/Lib platstdlib = {base}/Lib purelib = {base}/Lib/site-packages platlib = {base}/Lib/site-packages include = {base}/Include platinclude = {base}/Include scripts = {base}/Scripts data = {base} [os2] stdlib = {base}/Lib platstdlib = {base}/Lib purelib = {base}/Lib/site-packages platlib = {base}/Lib/site-packages include = {base}/Include platinclude = {base}/Include scripts = {base}/Scripts data = {base} [os2_home] stdlib = {userbase}/lib/python{py_version_short} platstdlib = {userbase}/lib/python{py_version_short} purelib = {userbase}/lib/python{py_version_short}/site-packages platlib = {userbase}/lib/python{py_version_short}/site-packages include = {userbase}/include/python{py_version_short} scripts = {userbase}/bin data = {userbase} [nt_user] stdlib = {userbase}/Python{py_version_nodot} platstdlib = {userbase}/Python{py_version_nodot} purelib = {userbase}/Python{py_version_nodot}/site-packages platlib = {userbase}/Python{py_version_nodot}/site-packages include = {userbase}/Python{py_version_nodot}/Include scripts = {userbase}/Scripts data = {userbase} [posix_user] stdlib = {userbase}/lib/python{py_version_short} platstdlib = {userbase}/lib/python{py_version_short} purelib = {userbase}/lib/python{py_version_short}/site-packages platlib = {userbase}/lib/python{py_version_short}/site-packages include = {userbase}/include/python{py_version_short} scripts = {userbase}/bin data = {userbase} [osx_framework_user] stdlib = {userbase}/lib/python platstdlib = {userbase}/lib/python purelib = {userbase}/lib/python/site-packages platlib = {userbase}/lib/python/site-packages include = {userbase}/include scripts = {userbase}/bin data = {userbase} _vendor/distlib/_backport/sysconfig.py 0000644 00000064346 15114542003 0014164 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """Access to Python's configuration information.""" import codecs import os import re import sys from os.path import pardir, realpath try: import configparser except ImportError: import ConfigParser as configparser __all__ = [ 'get_config_h_filename', 'get_config_var', 'get_config_vars', 'get_makefile_filename', 'get_path', 'get_path_names', 'get_paths', 'get_platform', 'get_python_version', 'get_scheme_names', 'parse_config_h', ] def _safe_realpath(path): try: return realpath(path) except OSError: return path if sys.executable: _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable)) else: # sys.executable can be empty if argv[0] has been changed and Python is # unable to retrieve the real program name _PROJECT_BASE = _safe_realpath(os.getcwd()) if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower(): _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir)) # PC/VS7.1 if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower(): _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) # PC/AMD64 if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower(): _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) def is_python_build(): for fn in ("Setup.dist", "Setup.local"): if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)): return True return False _PYTHON_BUILD = is_python_build() _cfg_read = False def _ensure_cfg_read(): global _cfg_read if not _cfg_read: from ..resources import finder backport_package = __name__.rsplit('.', 1)[0] _finder = finder(backport_package) _cfgfile = _finder.find('sysconfig.cfg') assert _cfgfile, 'sysconfig.cfg exists' with _cfgfile.as_stream() as s: _SCHEMES.readfp(s) if _PYTHON_BUILD: for scheme in ('posix_prefix', 'posix_home'): _SCHEMES.set(scheme, 'include', '{srcdir}/Include') _SCHEMES.set(scheme, 'platinclude', '{projectbase}/.') _cfg_read = True _SCHEMES = configparser.RawConfigParser() _VAR_REPL = re.compile(r'\{([^{]*?)\}') def _expand_globals(config): _ensure_cfg_read() if config.has_section('globals'): globals = config.items('globals') else: globals = tuple() sections = config.sections() for section in sections: if section == 'globals': continue for option, value in globals: if config.has_option(section, option): continue config.set(section, option, value) config.remove_section('globals') # now expanding local variables defined in the cfg file # for section in config.sections(): variables = dict(config.items(section)) def _replacer(matchobj): name = matchobj.group(1) if name in variables: return variables[name] return matchobj.group(0) for option, value in config.items(section): config.set(section, option, _VAR_REPL.sub(_replacer, value)) #_expand_globals(_SCHEMES) _PY_VERSION = '%s.%s.%s' % sys.version_info[:3] _PY_VERSION_SHORT = '%s.%s' % sys.version_info[:2] _PY_VERSION_SHORT_NO_DOT = '%s%s' % sys.version_info[:2] _PREFIX = os.path.normpath(sys.prefix) _EXEC_PREFIX = os.path.normpath(sys.exec_prefix) _CONFIG_VARS = None _USER_BASE = None def _subst_vars(path, local_vars): """In the string `path`, replace tokens like {some.thing} with the corresponding value from the map `local_vars`. If there is no corresponding value, leave the token unchanged. """ def _replacer(matchobj): name = matchobj.group(1) if name in local_vars: return local_vars[name] elif name in os.environ: return os.environ[name] return matchobj.group(0) return _VAR_REPL.sub(_replacer, path) def _extend_dict(target_dict, other_dict): target_keys = target_dict.keys() for key, value in other_dict.items(): if key in target_keys: continue target_dict[key] = value def _expand_vars(scheme, vars): res = {} if vars is None: vars = {} _extend_dict(vars, get_config_vars()) for key, value in _SCHEMES.items(scheme): if os.name in ('posix', 'nt'): value = os.path.expanduser(value) res[key] = os.path.normpath(_subst_vars(value, vars)) return res def format_value(value, vars): def _replacer(matchobj): name = matchobj.group(1) if name in vars: return vars[name] return matchobj.group(0) return _VAR_REPL.sub(_replacer, value) def _get_default_scheme(): if os.name == 'posix': # the default scheme for posix is posix_prefix return 'posix_prefix' return os.name def _getuserbase(): env_base = os.environ.get("PYTHONUSERBASE", None) def joinuser(*args): return os.path.expanduser(os.path.join(*args)) # what about 'os2emx', 'riscos' ? if os.name == "nt": base = os.environ.get("APPDATA") or "~" if env_base: return env_base else: return joinuser(base, "Python") if sys.platform == "darwin": framework = get_config_var("PYTHONFRAMEWORK") if framework: if env_base: return env_base else: return joinuser("~", "Library", framework, "%d.%d" % sys.version_info[:2]) if env_base: return env_base else: return joinuser("~", ".local") def _parse_makefile(filename, vars=None): """Parse a Makefile-style file. A dictionary containing name/value pairs is returned. If an optional dictionary is passed in as the second argument, it is used instead of a new dictionary. """ # Regexes needed for parsing Makefile (and similar syntaxes, # like old-style Setup files). _variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)") _findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)") _findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}") if vars is None: vars = {} done = {} notdone = {} with codecs.open(filename, encoding='utf-8', errors="surrogateescape") as f: lines = f.readlines() for line in lines: if line.startswith('#') or line.strip() == '': continue m = _variable_rx.match(line) if m: n, v = m.group(1, 2) v = v.strip() # `$$' is a literal `$' in make tmpv = v.replace('$$', '') if "$" in tmpv: notdone[n] = v else: try: v = int(v) except ValueError: # insert literal `$' done[n] = v.replace('$$', '$') else: done[n] = v # do variable interpolation here variables = list(notdone.keys()) # Variables with a 'PY_' prefix in the makefile. These need to # be made available without that prefix through sysconfig. # Special care is needed to ensure that variable expansion works, even # if the expansion uses the name without a prefix. renamed_variables = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS') while len(variables) > 0: for name in tuple(variables): value = notdone[name] m = _findvar1_rx.search(value) or _findvar2_rx.search(value) if m is not None: n = m.group(1) found = True if n in done: item = str(done[n]) elif n in notdone: # get it on a subsequent round found = False elif n in os.environ: # do it like make: fall back to environment item = os.environ[n] elif n in renamed_variables: if (name.startswith('PY_') and name[3:] in renamed_variables): item = "" elif 'PY_' + n in notdone: found = False else: item = str(done['PY_' + n]) else: done[n] = item = "" if found: after = value[m.end():] value = value[:m.start()] + item + after if "$" in after: notdone[name] = value else: try: value = int(value) except ValueError: done[name] = value.strip() else: done[name] = value variables.remove(name) if (name.startswith('PY_') and name[3:] in renamed_variables): name = name[3:] if name not in done: done[name] = value else: # bogus variable reference (e.g. "prefix=$/opt/python"); # just drop it since we can't deal done[name] = value variables.remove(name) # strip spurious spaces for k, v in done.items(): if isinstance(v, str): done[k] = v.strip() # save the results in the global dictionary vars.update(done) return vars def get_makefile_filename(): """Return the path of the Makefile.""" if _PYTHON_BUILD: return os.path.join(_PROJECT_BASE, "Makefile") if hasattr(sys, 'abiflags'): config_dir_name = 'config-%s%s' % (_PY_VERSION_SHORT, sys.abiflags) else: config_dir_name = 'config' return os.path.join(get_path('stdlib'), config_dir_name, 'Makefile') def _init_posix(vars): """Initialize the module as appropriate for POSIX systems.""" # load the installed Makefile: makefile = get_makefile_filename() try: _parse_makefile(makefile, vars) except IOError as e: msg = "invalid Python installation: unable to open %s" % makefile if hasattr(e, "strerror"): msg = msg + " (%s)" % e.strerror raise IOError(msg) # load the installed pyconfig.h: config_h = get_config_h_filename() try: with open(config_h) as f: parse_config_h(f, vars) except IOError as e: msg = "invalid Python installation: unable to open %s" % config_h if hasattr(e, "strerror"): msg = msg + " (%s)" % e.strerror raise IOError(msg) # On AIX, there are wrong paths to the linker scripts in the Makefile # -- these paths are relative to the Python source, but when installed # the scripts are in another directory. if _PYTHON_BUILD: vars['LDSHARED'] = vars['BLDSHARED'] def _init_non_posix(vars): """Initialize the module as appropriate for NT""" # set basic install directories vars['LIBDEST'] = get_path('stdlib') vars['BINLIBDEST'] = get_path('platstdlib') vars['INCLUDEPY'] = get_path('include') vars['SO'] = '.pyd' vars['EXE'] = '.exe' vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT vars['BINDIR'] = os.path.dirname(_safe_realpath(sys.executable)) # # public APIs # def parse_config_h(fp, vars=None): """Parse a config.h-style file. A dictionary containing name/value pairs is returned. If an optional dictionary is passed in as the second argument, it is used instead of a new dictionary. """ if vars is None: vars = {} define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n") undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n") while True: line = fp.readline() if not line: break m = define_rx.match(line) if m: n, v = m.group(1, 2) try: v = int(v) except ValueError: pass vars[n] = v else: m = undef_rx.match(line) if m: vars[m.group(1)] = 0 return vars def get_config_h_filename(): """Return the path of pyconfig.h.""" if _PYTHON_BUILD: if os.name == "nt": inc_dir = os.path.join(_PROJECT_BASE, "PC") else: inc_dir = _PROJECT_BASE else: inc_dir = get_path('platinclude') return os.path.join(inc_dir, 'pyconfig.h') def get_scheme_names(): """Return a tuple containing the schemes names.""" return tuple(sorted(_SCHEMES.sections())) def get_path_names(): """Return a tuple containing the paths names.""" # xxx see if we want a static list return _SCHEMES.options('posix_prefix') def get_paths(scheme=_get_default_scheme(), vars=None, expand=True): """Return a mapping containing an install scheme. ``scheme`` is the install scheme name. If not provided, it will return the default scheme for the current platform. """ _ensure_cfg_read() if expand: return _expand_vars(scheme, vars) else: return dict(_SCHEMES.items(scheme)) def get_path(name, scheme=_get_default_scheme(), vars=None, expand=True): """Return a path corresponding to the scheme. ``scheme`` is the install scheme name. """ return get_paths(scheme, vars, expand)[name] def get_config_vars(*args): """With no arguments, return a dictionary of all configuration variables relevant for the current platform. On Unix, this means every variable defined in Python's installed Makefile; On Windows and Mac OS it's a much smaller set. With arguments, return a list of values that result from looking up each argument in the configuration variable dictionary. """ global _CONFIG_VARS if _CONFIG_VARS is None: _CONFIG_VARS = {} # Normalized versions of prefix and exec_prefix are handy to have; # in fact, these are the standard versions used most places in the # distutils2 module. _CONFIG_VARS['prefix'] = _PREFIX _CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX _CONFIG_VARS['py_version'] = _PY_VERSION _CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT _CONFIG_VARS['py_version_nodot'] = _PY_VERSION[0] + _PY_VERSION[2] _CONFIG_VARS['base'] = _PREFIX _CONFIG_VARS['platbase'] = _EXEC_PREFIX _CONFIG_VARS['projectbase'] = _PROJECT_BASE try: _CONFIG_VARS['abiflags'] = sys.abiflags except AttributeError: # sys.abiflags may not be defined on all platforms. _CONFIG_VARS['abiflags'] = '' if os.name in ('nt', 'os2'): _init_non_posix(_CONFIG_VARS) if os.name == 'posix': _init_posix(_CONFIG_VARS) # Setting 'userbase' is done below the call to the # init function to enable using 'get_config_var' in # the init-function. if sys.version >= '2.6': _CONFIG_VARS['userbase'] = _getuserbase() if 'srcdir' not in _CONFIG_VARS: _CONFIG_VARS['srcdir'] = _PROJECT_BASE else: _CONFIG_VARS['srcdir'] = _safe_realpath(_CONFIG_VARS['srcdir']) # Convert srcdir into an absolute path if it appears necessary. # Normally it is relative to the build directory. However, during # testing, for example, we might be running a non-installed python # from a different directory. if _PYTHON_BUILD and os.name == "posix": base = _PROJECT_BASE try: cwd = os.getcwd() except OSError: cwd = None if (not os.path.isabs(_CONFIG_VARS['srcdir']) and base != cwd): # srcdir is relative and we are not in the same directory # as the executable. Assume executable is in the build # directory and make srcdir absolute. srcdir = os.path.join(base, _CONFIG_VARS['srcdir']) _CONFIG_VARS['srcdir'] = os.path.normpath(srcdir) if sys.platform == 'darwin': kernel_version = os.uname()[2] # Kernel version (8.4.3) major_version = int(kernel_version.split('.')[0]) if major_version < 8: # On Mac OS X before 10.4, check if -arch and -isysroot # are in CFLAGS or LDFLAGS and remove them if they are. # This is needed when building extensions on a 10.3 system # using a universal build of python. for key in ('LDFLAGS', 'BASECFLAGS', # a number of derived variables. These need to be # patched up as well. 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): flags = _CONFIG_VARS[key] flags = re.sub(r'-arch\s+\w+\s', ' ', flags) flags = re.sub('-isysroot [^ \t]*', ' ', flags) _CONFIG_VARS[key] = flags else: # Allow the user to override the architecture flags using # an environment variable. # NOTE: This name was introduced by Apple in OSX 10.5 and # is used by several scripting languages distributed with # that OS release. if 'ARCHFLAGS' in os.environ: arch = os.environ['ARCHFLAGS'] for key in ('LDFLAGS', 'BASECFLAGS', # a number of derived variables. These need to be # patched up as well. 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): flags = _CONFIG_VARS[key] flags = re.sub(r'-arch\s+\w+\s', ' ', flags) flags = flags + ' ' + arch _CONFIG_VARS[key] = flags # If we're on OSX 10.5 or later and the user tries to # compiles an extension using an SDK that is not present # on the current machine it is better to not use an SDK # than to fail. # # The major usecase for this is users using a Python.org # binary installer on OSX 10.6: that installer uses # the 10.4u SDK, but that SDK is not installed by default # when you install Xcode. # CFLAGS = _CONFIG_VARS.get('CFLAGS', '') m = re.search(r'-isysroot\s+(\S+)', CFLAGS) if m is not None: sdk = m.group(1) if not os.path.exists(sdk): for key in ('LDFLAGS', 'BASECFLAGS', # a number of derived variables. These need to be # patched up as well. 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): flags = _CONFIG_VARS[key] flags = re.sub(r'-isysroot\s+\S+(\s|$)', ' ', flags) _CONFIG_VARS[key] = flags if args: vals = [] for name in args: vals.append(_CONFIG_VARS.get(name)) return vals else: return _CONFIG_VARS def get_config_var(name): """Return the value of a single variable using the dictionary returned by 'get_config_vars()'. Equivalent to get_config_vars().get(name) """ return get_config_vars().get(name) def get_platform(): """Return a string that identifies the current platform. This is used mainly to distinguish platform-specific build directories and platform-specific built distributions. Typically includes the OS name and version and the architecture (as supplied by 'os.uname()'), although the exact information included depends on the OS; eg. for IRIX the architecture isn't particularly important (IRIX only runs on SGI hardware), but for Linux the kernel version isn't particularly important. Examples of returned values: linux-i586 linux-alpha (?) solaris-2.6-sun4u irix-5.3 irix64-6.2 Windows will return one of: win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc) win-ia64 (64bit Windows on Itanium) win32 (all others - specifically, sys.platform is returned) For other non-POSIX platforms, currently just returns 'sys.platform'. """ if os.name == 'nt': # sniff sys.version for architecture. prefix = " bit (" i = sys.version.find(prefix) if i == -1: return sys.platform j = sys.version.find(")", i) look = sys.version[i+len(prefix):j].lower() if look == 'amd64': return 'win-amd64' if look == 'itanium': return 'win-ia64' return sys.platform if os.name != "posix" or not hasattr(os, 'uname'): # XXX what about the architecture? NT is Intel or Alpha, # Mac OS is M68k or PPC, etc. return sys.platform # Try to distinguish various flavours of Unix osname, host, release, version, machine = os.uname() # Convert the OS name to lowercase, remove '/' characters # (to accommodate BSD/OS), and translate spaces (for "Power Macintosh") osname = osname.lower().replace('/', '') machine = machine.replace(' ', '_') machine = machine.replace('/', '-') if osname[:5] == "linux": # At least on Linux/Intel, 'machine' is the processor -- # i386, etc. # XXX what about Alpha, SPARC, etc? return "%s-%s" % (osname, machine) elif osname[:5] == "sunos": if release[0] >= "5": # SunOS 5 == Solaris 2 osname = "solaris" release = "%d.%s" % (int(release[0]) - 3, release[2:]) # fall through to standard osname-release-machine representation elif osname[:4] == "irix": # could be "irix64"! return "%s-%s" % (osname, release) elif osname[:3] == "aix": return "%s-%s.%s" % (osname, version, release) elif osname[:6] == "cygwin": osname = "cygwin" rel_re = re.compile(r'[\d.]+') m = rel_re.match(release) if m: release = m.group() elif osname[:6] == "darwin": # # For our purposes, we'll assume that the system version from # distutils' perspective is what MACOSX_DEPLOYMENT_TARGET is set # to. This makes the compatibility story a bit more sane because the # machine is going to compile and link as if it were # MACOSX_DEPLOYMENT_TARGET. cfgvars = get_config_vars() macver = cfgvars.get('MACOSX_DEPLOYMENT_TARGET') if True: # Always calculate the release of the running machine, # needed to determine if we can build fat binaries or not. macrelease = macver # Get the system version. Reading this plist is a documented # way to get the system version (see the documentation for # the Gestalt Manager) try: f = open('/System/Library/CoreServices/SystemVersion.plist') except IOError: # We're on a plain darwin box, fall back to the default # behaviour. pass else: try: m = re.search(r'<key>ProductUserVisibleVersion</key>\s*' r'<string>(.*?)</string>', f.read()) finally: f.close() if m is not None: macrelease = '.'.join(m.group(1).split('.')[:2]) # else: fall back to the default behaviour if not macver: macver = macrelease if macver: release = macver osname = "macosx" if ((macrelease + '.') >= '10.4.' and '-arch' in get_config_vars().get('CFLAGS', '').strip()): # The universal build will build fat binaries, but not on # systems before 10.4 # # Try to detect 4-way universal builds, those have machine-type # 'universal' instead of 'fat'. machine = 'fat' cflags = get_config_vars().get('CFLAGS') archs = re.findall(r'-arch\s+(\S+)', cflags) archs = tuple(sorted(set(archs))) if len(archs) == 1: machine = archs[0] elif archs == ('i386', 'ppc'): machine = 'fat' elif archs == ('i386', 'x86_64'): machine = 'intel' elif archs == ('i386', 'ppc', 'x86_64'): machine = 'fat3' elif archs == ('ppc64', 'x86_64'): machine = 'fat64' elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'): machine = 'universal' else: raise ValueError( "Don't know machine value for archs=%r" % (archs,)) elif machine == 'i386': # On OSX the machine type returned by uname is always the # 32-bit variant, even if the executable architecture is # the 64-bit variant if sys.maxsize >= 2**32: machine = 'x86_64' elif machine in ('PowerPC', 'Power_Macintosh'): # Pick a sane name for the PPC architecture. # See 'i386' case if sys.maxsize >= 2**32: machine = 'ppc64' else: machine = 'ppc' return "%s-%s-%s" % (osname, release, machine) def get_python_version(): return _PY_VERSION_SHORT def _print_dict(title, data): for index, (key, value) in enumerate(sorted(data.items())): if index == 0: print('%s: ' % (title)) print('\t%s = "%s"' % (key, value)) def _main(): """Display all information sysconfig detains.""" print('Platform: "%s"' % get_platform()) print('Python version: "%s"' % get_python_version()) print('Current installation scheme: "%s"' % _get_default_scheme()) print() _print_dict('Paths', get_paths()) print() _print_dict('Variables', get_config_vars()) if __name__ == '__main__': _main() _vendor/distlib/_backport/tarfile.py 0000644 00000264724 15114542003 0013610 0 ustar 00 #------------------------------------------------------------------- # tarfile.py #------------------------------------------------------------------- # Copyright (C) 2002 Lars Gustaebel <lars@gustaebel.de> # All rights reserved. # # Permission is hereby granted, free of charge, to any person # obtaining a copy of this software and associated documentation # files (the "Software"), to deal in the Software without # restriction, including without limitation the rights to use, # copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following # conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES # OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # OTHER DEALINGS IN THE SOFTWARE. # from __future__ import print_function """Read from and write to tar format archives. """ __version__ = "$Revision$" version = "0.9.0" __author__ = "Lars Gust\u00e4bel (lars@gustaebel.de)" __date__ = "$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $" __cvsid__ = "$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $" __credits__ = "Gustavo Niemeyer, Niels Gust\u00e4bel, Richard Townsend." #--------- # Imports #--------- import sys import os import stat import errno import time import struct import copy import re try: import grp, pwd except ImportError: grp = pwd = None # os.symlink on Windows prior to 6.0 raises NotImplementedError symlink_exception = (AttributeError, NotImplementedError) try: # WindowsError (1314) will be raised if the caller does not hold the # SeCreateSymbolicLinkPrivilege privilege symlink_exception += (WindowsError,) except NameError: pass # from tarfile import * __all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError"] if sys.version_info[0] < 3: import __builtin__ as builtins else: import builtins _open = builtins.open # Since 'open' is TarFile.open #--------------------------------------------------------- # tar constants #--------------------------------------------------------- NUL = b"\0" # the null character BLOCKSIZE = 512 # length of processing blocks RECORDSIZE = BLOCKSIZE * 20 # length of records GNU_MAGIC = b"ustar \0" # magic gnu tar string POSIX_MAGIC = b"ustar\x0000" # magic posix tar string LENGTH_NAME = 100 # maximum length of a filename LENGTH_LINK = 100 # maximum length of a linkname LENGTH_PREFIX = 155 # maximum length of the prefix field REGTYPE = b"0" # regular file AREGTYPE = b"\0" # regular file LNKTYPE = b"1" # link (inside tarfile) SYMTYPE = b"2" # symbolic link CHRTYPE = b"3" # character special device BLKTYPE = b"4" # block special device DIRTYPE = b"5" # directory FIFOTYPE = b"6" # fifo special device CONTTYPE = b"7" # contiguous file GNUTYPE_LONGNAME = b"L" # GNU tar longname GNUTYPE_LONGLINK = b"K" # GNU tar longlink GNUTYPE_SPARSE = b"S" # GNU tar sparse file XHDTYPE = b"x" # POSIX.1-2001 extended header XGLTYPE = b"g" # POSIX.1-2001 global header SOLARIS_XHDTYPE = b"X" # Solaris extended header USTAR_FORMAT = 0 # POSIX.1-1988 (ustar) format GNU_FORMAT = 1 # GNU tar format PAX_FORMAT = 2 # POSIX.1-2001 (pax) format DEFAULT_FORMAT = GNU_FORMAT #--------------------------------------------------------- # tarfile constants #--------------------------------------------------------- # File types that tarfile supports: SUPPORTED_TYPES = (REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, GNUTYPE_SPARSE) # File types that will be treated as a regular file. REGULAR_TYPES = (REGTYPE, AREGTYPE, CONTTYPE, GNUTYPE_SPARSE) # File types that are part of the GNU tar format. GNU_TYPES = (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, GNUTYPE_SPARSE) # Fields from a pax header that override a TarInfo attribute. PAX_FIELDS = ("path", "linkpath", "size", "mtime", "uid", "gid", "uname", "gname") # Fields from a pax header that are affected by hdrcharset. PAX_NAME_FIELDS = set(("path", "linkpath", "uname", "gname")) # Fields in a pax header that are numbers, all other fields # are treated as strings. PAX_NUMBER_FIELDS = { "atime": float, "ctime": float, "mtime": float, "uid": int, "gid": int, "size": int } #--------------------------------------------------------- # Bits used in the mode field, values in octal. #--------------------------------------------------------- S_IFLNK = 0o120000 # symbolic link S_IFREG = 0o100000 # regular file S_IFBLK = 0o060000 # block device S_IFDIR = 0o040000 # directory S_IFCHR = 0o020000 # character device S_IFIFO = 0o010000 # fifo TSUID = 0o4000 # set UID on execution TSGID = 0o2000 # set GID on execution TSVTX = 0o1000 # reserved TUREAD = 0o400 # read by owner TUWRITE = 0o200 # write by owner TUEXEC = 0o100 # execute/search by owner TGREAD = 0o040 # read by group TGWRITE = 0o020 # write by group TGEXEC = 0o010 # execute/search by group TOREAD = 0o004 # read by other TOWRITE = 0o002 # write by other TOEXEC = 0o001 # execute/search by other #--------------------------------------------------------- # initialization #--------------------------------------------------------- if os.name in ("nt", "ce"): ENCODING = "utf-8" else: ENCODING = sys.getfilesystemencoding() #--------------------------------------------------------- # Some useful functions #--------------------------------------------------------- def stn(s, length, encoding, errors): """Convert a string to a null-terminated bytes object. """ s = s.encode(encoding, errors) return s[:length] + (length - len(s)) * NUL def nts(s, encoding, errors): """Convert a null-terminated bytes object to a string. """ p = s.find(b"\0") if p != -1: s = s[:p] return s.decode(encoding, errors) def nti(s): """Convert a number field to a python number. """ # There are two possible encodings for a number field, see # itn() below. if s[0] != chr(0o200): try: n = int(nts(s, "ascii", "strict") or "0", 8) except ValueError: raise InvalidHeaderError("invalid header") else: n = 0 for i in range(len(s) - 1): n <<= 8 n += ord(s[i + 1]) return n def itn(n, digits=8, format=DEFAULT_FORMAT): """Convert a python number to a number field. """ # POSIX 1003.1-1988 requires numbers to be encoded as a string of # octal digits followed by a null-byte, this allows values up to # (8**(digits-1))-1. GNU tar allows storing numbers greater than # that if necessary. A leading 0o200 byte indicates this particular # encoding, the following digits-1 bytes are a big-endian # representation. This allows values up to (256**(digits-1))-1. if 0 <= n < 8 ** (digits - 1): s = ("%0*o" % (digits - 1, n)).encode("ascii") + NUL else: if format != GNU_FORMAT or n >= 256 ** (digits - 1): raise ValueError("overflow in number field") if n < 0: # XXX We mimic GNU tar's behaviour with negative numbers, # this could raise OverflowError. n = struct.unpack("L", struct.pack("l", n))[0] s = bytearray() for i in range(digits - 1): s.insert(0, n & 0o377) n >>= 8 s.insert(0, 0o200) return s def calc_chksums(buf): """Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. """ unsigned_chksum = 256 + sum(struct.unpack("148B", buf[:148]) + struct.unpack("356B", buf[156:512])) signed_chksum = 256 + sum(struct.unpack("148b", buf[:148]) + struct.unpack("356b", buf[156:512])) return unsigned_chksum, signed_chksum def copyfileobj(src, dst, length=None): """Copy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. """ if length == 0: return if length is None: while True: buf = src.read(16*1024) if not buf: break dst.write(buf) return BUFSIZE = 16 * 1024 blocks, remainder = divmod(length, BUFSIZE) for b in range(blocks): buf = src.read(BUFSIZE) if len(buf) < BUFSIZE: raise IOError("end of file reached") dst.write(buf) if remainder != 0: buf = src.read(remainder) if len(buf) < remainder: raise IOError("end of file reached") dst.write(buf) return filemode_table = ( ((S_IFLNK, "l"), (S_IFREG, "-"), (S_IFBLK, "b"), (S_IFDIR, "d"), (S_IFCHR, "c"), (S_IFIFO, "p")), ((TUREAD, "r"),), ((TUWRITE, "w"),), ((TUEXEC|TSUID, "s"), (TSUID, "S"), (TUEXEC, "x")), ((TGREAD, "r"),), ((TGWRITE, "w"),), ((TGEXEC|TSGID, "s"), (TSGID, "S"), (TGEXEC, "x")), ((TOREAD, "r"),), ((TOWRITE, "w"),), ((TOEXEC|TSVTX, "t"), (TSVTX, "T"), (TOEXEC, "x")) ) def filemode(mode): """Convert a file's mode to a string of the form -rwxrwxrwx. Used by TarFile.list() """ perm = [] for table in filemode_table: for bit, char in table: if mode & bit == bit: perm.append(char) break else: perm.append("-") return "".join(perm) class TarError(Exception): """Base exception.""" pass class ExtractError(TarError): """General exception for extract errors.""" pass class ReadError(TarError): """Exception for unreadable tar archives.""" pass class CompressionError(TarError): """Exception for unavailable compression methods.""" pass class StreamError(TarError): """Exception for unsupported operations on stream-like TarFiles.""" pass class HeaderError(TarError): """Base exception for header errors.""" pass class EmptyHeaderError(HeaderError): """Exception for empty headers.""" pass class TruncatedHeaderError(HeaderError): """Exception for truncated headers.""" pass class EOFHeaderError(HeaderError): """Exception for end of file headers.""" pass class InvalidHeaderError(HeaderError): """Exception for invalid headers.""" pass class SubsequentHeaderError(HeaderError): """Exception for missing and invalid extended headers.""" pass #--------------------------- # internal stream interface #--------------------------- class _LowLevelFile(object): """Low-level file object. Supports reading and writing. It is used instead of a regular file object for streaming access. """ def __init__(self, name, mode): mode = { "r": os.O_RDONLY, "w": os.O_WRONLY | os.O_CREAT | os.O_TRUNC, }[mode] if hasattr(os, "O_BINARY"): mode |= os.O_BINARY self.fd = os.open(name, mode, 0o666) def close(self): os.close(self.fd) def read(self, size): return os.read(self.fd, size) def write(self, s): os.write(self.fd, s) class _Stream(object): """Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. A stream-like object could be for example: sys.stdin, sys.stdout, a socket, a tape device etc. _Stream is intended to be used only internally. """ def __init__(self, name, mode, comptype, fileobj, bufsize): """Construct a _Stream object. """ self._extfileobj = True if fileobj is None: fileobj = _LowLevelFile(name, mode) self._extfileobj = False if comptype == '*': # Enable transparent compression detection for the # stream interface fileobj = _StreamProxy(fileobj) comptype = fileobj.getcomptype() self.name = name or "" self.mode = mode self.comptype = comptype self.fileobj = fileobj self.bufsize = bufsize self.buf = b"" self.pos = 0 self.closed = False try: if comptype == "gz": try: import zlib except ImportError: raise CompressionError("zlib module is not available") self.zlib = zlib self.crc = zlib.crc32(b"") if mode == "r": self._init_read_gz() else: self._init_write_gz() if comptype == "bz2": try: import bz2 except ImportError: raise CompressionError("bz2 module is not available") if mode == "r": self.dbuf = b"" self.cmp = bz2.BZ2Decompressor() else: self.cmp = bz2.BZ2Compressor() except: if not self._extfileobj: self.fileobj.close() self.closed = True raise def __del__(self): if hasattr(self, "closed") and not self.closed: self.close() def _init_write_gz(self): """Initialize for writing with gzip compression. """ self.cmp = self.zlib.compressobj(9, self.zlib.DEFLATED, -self.zlib.MAX_WBITS, self.zlib.DEF_MEM_LEVEL, 0) timestamp = struct.pack("<L", int(time.time())) self.__write(b"\037\213\010\010" + timestamp + b"\002\377") if self.name.endswith(".gz"): self.name = self.name[:-3] # RFC1952 says we must use ISO-8859-1 for the FNAME field. self.__write(self.name.encode("iso-8859-1", "replace") + NUL) def write(self, s): """Write string s to the stream. """ if self.comptype == "gz": self.crc = self.zlib.crc32(s, self.crc) self.pos += len(s) if self.comptype != "tar": s = self.cmp.compress(s) self.__write(s) def __write(self, s): """Write string s to the stream if a whole new block is ready to be written. """ self.buf += s while len(self.buf) > self.bufsize: self.fileobj.write(self.buf[:self.bufsize]) self.buf = self.buf[self.bufsize:] def close(self): """Close the _Stream object. No operation should be done on it afterwards. """ if self.closed: return if self.mode == "w" and self.comptype != "tar": self.buf += self.cmp.flush() if self.mode == "w" and self.buf: self.fileobj.write(self.buf) self.buf = b"" if self.comptype == "gz": # The native zlib crc is an unsigned 32-bit integer, but # the Python wrapper implicitly casts that to a signed C # long. So, on a 32-bit box self.crc may "look negative", # while the same crc on a 64-bit box may "look positive". # To avoid irksome warnings from the `struct` module, force # it to look positive on all boxes. self.fileobj.write(struct.pack("<L", self.crc & 0xffffffff)) self.fileobj.write(struct.pack("<L", self.pos & 0xffffFFFF)) if not self._extfileobj: self.fileobj.close() self.closed = True def _init_read_gz(self): """Initialize for reading a gzip compressed fileobj. """ self.cmp = self.zlib.decompressobj(-self.zlib.MAX_WBITS) self.dbuf = b"" # taken from gzip.GzipFile with some alterations if self.__read(2) != b"\037\213": raise ReadError("not a gzip file") if self.__read(1) != b"\010": raise CompressionError("unsupported compression method") flag = ord(self.__read(1)) self.__read(6) if flag & 4: xlen = ord(self.__read(1)) + 256 * ord(self.__read(1)) self.read(xlen) if flag & 8: while True: s = self.__read(1) if not s or s == NUL: break if flag & 16: while True: s = self.__read(1) if not s or s == NUL: break if flag & 2: self.__read(2) def tell(self): """Return the stream's file pointer position. """ return self.pos def seek(self, pos=0): """Set the stream's file pointer to pos. Negative seeking is forbidden. """ if pos - self.pos >= 0: blocks, remainder = divmod(pos - self.pos, self.bufsize) for i in range(blocks): self.read(self.bufsize) self.read(remainder) else: raise StreamError("seeking backwards is not allowed") return self.pos def read(self, size=None): """Return the next size number of bytes from the stream. If size is not defined, return all bytes of the stream up to EOF. """ if size is None: t = [] while True: buf = self._read(self.bufsize) if not buf: break t.append(buf) buf = "".join(t) else: buf = self._read(size) self.pos += len(buf) return buf def _read(self, size): """Return size bytes from the stream. """ if self.comptype == "tar": return self.__read(size) c = len(self.dbuf) while c < size: buf = self.__read(self.bufsize) if not buf: break try: buf = self.cmp.decompress(buf) except IOError: raise ReadError("invalid compressed data") self.dbuf += buf c += len(buf) buf = self.dbuf[:size] self.dbuf = self.dbuf[size:] return buf def __read(self, size): """Return size bytes from stream. If internal buffer is empty, read another block from the stream. """ c = len(self.buf) while c < size: buf = self.fileobj.read(self.bufsize) if not buf: break self.buf += buf c += len(buf) buf = self.buf[:size] self.buf = self.buf[size:] return buf # class _Stream class _StreamProxy(object): """Small proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). """ def __init__(self, fileobj): self.fileobj = fileobj self.buf = self.fileobj.read(BLOCKSIZE) def read(self, size): self.read = self.fileobj.read return self.buf def getcomptype(self): if self.buf.startswith(b"\037\213\010"): return "gz" if self.buf.startswith(b"BZh91"): return "bz2" return "tar" def close(self): self.fileobj.close() # class StreamProxy class _BZ2Proxy(object): """Small proxy class that enables external file object support for "r:bz2" and "w:bz2" modes. This is actually a workaround for a limitation in bz2 module's BZ2File class which (unlike gzip.GzipFile) has no support for a file object argument. """ blocksize = 16 * 1024 def __init__(self, fileobj, mode): self.fileobj = fileobj self.mode = mode self.name = getattr(self.fileobj, "name", None) self.init() def init(self): import bz2 self.pos = 0 if self.mode == "r": self.bz2obj = bz2.BZ2Decompressor() self.fileobj.seek(0) self.buf = b"" else: self.bz2obj = bz2.BZ2Compressor() def read(self, size): x = len(self.buf) while x < size: raw = self.fileobj.read(self.blocksize) if not raw: break data = self.bz2obj.decompress(raw) self.buf += data x += len(data) buf = self.buf[:size] self.buf = self.buf[size:] self.pos += len(buf) return buf def seek(self, pos): if pos < self.pos: self.init() self.read(pos - self.pos) def tell(self): return self.pos def write(self, data): self.pos += len(data) raw = self.bz2obj.compress(data) self.fileobj.write(raw) def close(self): if self.mode == "w": raw = self.bz2obj.flush() self.fileobj.write(raw) # class _BZ2Proxy #------------------------ # Extraction file object #------------------------ class _FileInFile(object): """A thin wrapper around an existing file object that provides a part of its data as an individual file object. """ def __init__(self, fileobj, offset, size, blockinfo=None): self.fileobj = fileobj self.offset = offset self.size = size self.position = 0 if blockinfo is None: blockinfo = [(0, size)] # Construct a map with data and zero blocks. self.map_index = 0 self.map = [] lastpos = 0 realpos = self.offset for offset, size in blockinfo: if offset > lastpos: self.map.append((False, lastpos, offset, None)) self.map.append((True, offset, offset + size, realpos)) realpos += size lastpos = offset + size if lastpos < self.size: self.map.append((False, lastpos, self.size, None)) def seekable(self): if not hasattr(self.fileobj, "seekable"): # XXX gzip.GzipFile and bz2.BZ2File return True return self.fileobj.seekable() def tell(self): """Return the current file position. """ return self.position def seek(self, position): """Seek to a position in the file. """ self.position = position def read(self, size=None): """Read data from the file. """ if size is None: size = self.size - self.position else: size = min(size, self.size - self.position) buf = b"" while size > 0: while True: data, start, stop, offset = self.map[self.map_index] if start <= self.position < stop: break else: self.map_index += 1 if self.map_index == len(self.map): self.map_index = 0 length = min(size, stop - self.position) if data: self.fileobj.seek(offset + (self.position - start)) buf += self.fileobj.read(length) else: buf += NUL * length size -= length self.position += length return buf #class _FileInFile class ExFileObject(object): """File-like object for reading an archive member. Is returned by TarFile.extractfile(). """ blocksize = 1024 def __init__(self, tarfile, tarinfo): self.fileobj = _FileInFile(tarfile.fileobj, tarinfo.offset_data, tarinfo.size, tarinfo.sparse) self.name = tarinfo.name self.mode = "r" self.closed = False self.size = tarinfo.size self.position = 0 self.buffer = b"" def readable(self): return True def writable(self): return False def seekable(self): return self.fileobj.seekable() def read(self, size=None): """Read at most size bytes from the file. If size is not present or None, read all data until EOF is reached. """ if self.closed: raise ValueError("I/O operation on closed file") buf = b"" if self.buffer: if size is None: buf = self.buffer self.buffer = b"" else: buf = self.buffer[:size] self.buffer = self.buffer[size:] if size is None: buf += self.fileobj.read() else: buf += self.fileobj.read(size - len(buf)) self.position += len(buf) return buf # XXX TextIOWrapper uses the read1() method. read1 = read def readline(self, size=-1): """Read one entire line from the file. If size is present and non-negative, return a string with at most that size, which may be an incomplete line. """ if self.closed: raise ValueError("I/O operation on closed file") pos = self.buffer.find(b"\n") + 1 if pos == 0: # no newline found. while True: buf = self.fileobj.read(self.blocksize) self.buffer += buf if not buf or b"\n" in buf: pos = self.buffer.find(b"\n") + 1 if pos == 0: # no newline found. pos = len(self.buffer) break if size != -1: pos = min(size, pos) buf = self.buffer[:pos] self.buffer = self.buffer[pos:] self.position += len(buf) return buf def readlines(self): """Return a list with all remaining lines. """ result = [] while True: line = self.readline() if not line: break result.append(line) return result def tell(self): """Return the current file position. """ if self.closed: raise ValueError("I/O operation on closed file") return self.position def seek(self, pos, whence=os.SEEK_SET): """Seek to a position in the file. """ if self.closed: raise ValueError("I/O operation on closed file") if whence == os.SEEK_SET: self.position = min(max(pos, 0), self.size) elif whence == os.SEEK_CUR: if pos < 0: self.position = max(self.position + pos, 0) else: self.position = min(self.position + pos, self.size) elif whence == os.SEEK_END: self.position = max(min(self.size + pos, self.size), 0) else: raise ValueError("Invalid argument") self.buffer = b"" self.fileobj.seek(self.position) def close(self): """Close the file object. """ self.closed = True def __iter__(self): """Get an iterator over the file's lines. """ while True: line = self.readline() if not line: break yield line #class ExFileObject #------------------ # Exported Classes #------------------ class TarInfo(object): """Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. """ __slots__ = ("name", "mode", "uid", "gid", "size", "mtime", "chksum", "type", "linkname", "uname", "gname", "devmajor", "devminor", "offset", "offset_data", "pax_headers", "sparse", "tarfile", "_sparse_structs", "_link_target") def __init__(self, name=""): """Construct a TarInfo object. name is the optional name of the member. """ self.name = name # member name self.mode = 0o644 # file permissions self.uid = 0 # user id self.gid = 0 # group id self.size = 0 # file size self.mtime = 0 # modification time self.chksum = 0 # header checksum self.type = REGTYPE # member type self.linkname = "" # link name self.uname = "" # user name self.gname = "" # group name self.devmajor = 0 # device major number self.devminor = 0 # device minor number self.offset = 0 # the tar header starts here self.offset_data = 0 # the file's data starts here self.sparse = None # sparse member information self.pax_headers = {} # pax header information # In pax headers the "name" and "linkname" field are called # "path" and "linkpath". def _getpath(self): return self.name def _setpath(self, name): self.name = name path = property(_getpath, _setpath) def _getlinkpath(self): return self.linkname def _setlinkpath(self, linkname): self.linkname = linkname linkpath = property(_getlinkpath, _setlinkpath) def __repr__(self): return "<%s %r at %#x>" % (self.__class__.__name__,self.name,id(self)) def get_info(self): """Return the TarInfo's attributes as a dictionary. """ info = { "name": self.name, "mode": self.mode & 0o7777, "uid": self.uid, "gid": self.gid, "size": self.size, "mtime": self.mtime, "chksum": self.chksum, "type": self.type, "linkname": self.linkname, "uname": self.uname, "gname": self.gname, "devmajor": self.devmajor, "devminor": self.devminor } if info["type"] == DIRTYPE and not info["name"].endswith("/"): info["name"] += "/" return info def tobuf(self, format=DEFAULT_FORMAT, encoding=ENCODING, errors="surrogateescape"): """Return a tar header as a string of 512 byte blocks. """ info = self.get_info() if format == USTAR_FORMAT: return self.create_ustar_header(info, encoding, errors) elif format == GNU_FORMAT: return self.create_gnu_header(info, encoding, errors) elif format == PAX_FORMAT: return self.create_pax_header(info, encoding) else: raise ValueError("invalid format") def create_ustar_header(self, info, encoding, errors): """Return the object as a ustar header block. """ info["magic"] = POSIX_MAGIC if len(info["linkname"]) > LENGTH_LINK: raise ValueError("linkname is too long") if len(info["name"]) > LENGTH_NAME: info["prefix"], info["name"] = self._posix_split_name(info["name"]) return self._create_header(info, USTAR_FORMAT, encoding, errors) def create_gnu_header(self, info, encoding, errors): """Return the object as a GNU header block sequence. """ info["magic"] = GNU_MAGIC buf = b"" if len(info["linkname"]) > LENGTH_LINK: buf += self._create_gnu_long_header(info["linkname"], GNUTYPE_LONGLINK, encoding, errors) if len(info["name"]) > LENGTH_NAME: buf += self._create_gnu_long_header(info["name"], GNUTYPE_LONGNAME, encoding, errors) return buf + self._create_header(info, GNU_FORMAT, encoding, errors) def create_pax_header(self, info, encoding): """Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. """ info["magic"] = POSIX_MAGIC pax_headers = self.pax_headers.copy() # Test string fields for values that exceed the field length or cannot # be represented in ASCII encoding. for name, hname, length in ( ("name", "path", LENGTH_NAME), ("linkname", "linkpath", LENGTH_LINK), ("uname", "uname", 32), ("gname", "gname", 32)): if hname in pax_headers: # The pax header has priority. continue # Try to encode the string as ASCII. try: info[name].encode("ascii", "strict") except UnicodeEncodeError: pax_headers[hname] = info[name] continue if len(info[name]) > length: pax_headers[hname] = info[name] # Test number fields for values that exceed the field limit or values # that like to be stored as float. for name, digits in (("uid", 8), ("gid", 8), ("size", 12), ("mtime", 12)): if name in pax_headers: # The pax header has priority. Avoid overflow. info[name] = 0 continue val = info[name] if not 0 <= val < 8 ** (digits - 1) or isinstance(val, float): pax_headers[name] = str(val) info[name] = 0 # Create a pax extended header if necessary. if pax_headers: buf = self._create_pax_generic_header(pax_headers, XHDTYPE, encoding) else: buf = b"" return buf + self._create_header(info, USTAR_FORMAT, "ascii", "replace") @classmethod def create_pax_global_header(cls, pax_headers): """Return the object as a pax global header block sequence. """ return cls._create_pax_generic_header(pax_headers, XGLTYPE, "utf8") def _posix_split_name(self, name): """Split a name longer than 100 chars into a prefix and a name part. """ prefix = name[:LENGTH_PREFIX + 1] while prefix and prefix[-1] != "/": prefix = prefix[:-1] name = name[len(prefix):] prefix = prefix[:-1] if not prefix or len(name) > LENGTH_NAME: raise ValueError("name is too long") return prefix, name @staticmethod def _create_header(info, format, encoding, errors): """Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. """ parts = [ stn(info.get("name", ""), 100, encoding, errors), itn(info.get("mode", 0) & 0o7777, 8, format), itn(info.get("uid", 0), 8, format), itn(info.get("gid", 0), 8, format), itn(info.get("size", 0), 12, format), itn(info.get("mtime", 0), 12, format), b" ", # checksum field info.get("type", REGTYPE), stn(info.get("linkname", ""), 100, encoding, errors), info.get("magic", POSIX_MAGIC), stn(info.get("uname", ""), 32, encoding, errors), stn(info.get("gname", ""), 32, encoding, errors), itn(info.get("devmajor", 0), 8, format), itn(info.get("devminor", 0), 8, format), stn(info.get("prefix", ""), 155, encoding, errors) ] buf = struct.pack("%ds" % BLOCKSIZE, b"".join(parts)) chksum = calc_chksums(buf[-BLOCKSIZE:])[0] buf = buf[:-364] + ("%06o\0" % chksum).encode("ascii") + buf[-357:] return buf @staticmethod def _create_payload(payload): """Return the string payload filled with zero bytes up to the next 512 byte border. """ blocks, remainder = divmod(len(payload), BLOCKSIZE) if remainder > 0: payload += (BLOCKSIZE - remainder) * NUL return payload @classmethod def _create_gnu_long_header(cls, name, type, encoding, errors): """Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. """ name = name.encode(encoding, errors) + NUL info = {} info["name"] = "././@LongLink" info["type"] = type info["size"] = len(name) info["magic"] = GNU_MAGIC # create extended header + name blocks. return cls._create_header(info, USTAR_FORMAT, encoding, errors) + \ cls._create_payload(name) @classmethod def _create_pax_generic_header(cls, pax_headers, type, encoding): """Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. """ # Check if one of the fields contains surrogate characters and thereby # forces hdrcharset=BINARY, see _proc_pax() for more information. binary = False for keyword, value in pax_headers.items(): try: value.encode("utf8", "strict") except UnicodeEncodeError: binary = True break records = b"" if binary: # Put the hdrcharset field at the beginning of the header. records += b"21 hdrcharset=BINARY\n" for keyword, value in pax_headers.items(): keyword = keyword.encode("utf8") if binary: # Try to restore the original byte representation of `value'. # Needless to say, that the encoding must match the string. value = value.encode(encoding, "surrogateescape") else: value = value.encode("utf8") l = len(keyword) + len(value) + 3 # ' ' + '=' + '\n' n = p = 0 while True: n = l + len(str(p)) if n == p: break p = n records += bytes(str(p), "ascii") + b" " + keyword + b"=" + value + b"\n" # We use a hardcoded "././@PaxHeader" name like star does # instead of the one that POSIX recommends. info = {} info["name"] = "././@PaxHeader" info["type"] = type info["size"] = len(records) info["magic"] = POSIX_MAGIC # Create pax header + record blocks. return cls._create_header(info, USTAR_FORMAT, "ascii", "replace") + \ cls._create_payload(records) @classmethod def frombuf(cls, buf, encoding, errors): """Construct a TarInfo object from a 512 byte bytes object. """ if len(buf) == 0: raise EmptyHeaderError("empty header") if len(buf) != BLOCKSIZE: raise TruncatedHeaderError("truncated header") if buf.count(NUL) == BLOCKSIZE: raise EOFHeaderError("end of file header") chksum = nti(buf[148:156]) if chksum not in calc_chksums(buf): raise InvalidHeaderError("bad checksum") obj = cls() obj.name = nts(buf[0:100], encoding, errors) obj.mode = nti(buf[100:108]) obj.uid = nti(buf[108:116]) obj.gid = nti(buf[116:124]) obj.size = nti(buf[124:136]) obj.mtime = nti(buf[136:148]) obj.chksum = chksum obj.type = buf[156:157] obj.linkname = nts(buf[157:257], encoding, errors) obj.uname = nts(buf[265:297], encoding, errors) obj.gname = nts(buf[297:329], encoding, errors) obj.devmajor = nti(buf[329:337]) obj.devminor = nti(buf[337:345]) prefix = nts(buf[345:500], encoding, errors) # Old V7 tar format represents a directory as a regular # file with a trailing slash. if obj.type == AREGTYPE and obj.name.endswith("/"): obj.type = DIRTYPE # The old GNU sparse format occupies some of the unused # space in the buffer for up to 4 sparse structures. # Save the them for later processing in _proc_sparse(). if obj.type == GNUTYPE_SPARSE: pos = 386 structs = [] for i in range(4): try: offset = nti(buf[pos:pos + 12]) numbytes = nti(buf[pos + 12:pos + 24]) except ValueError: break structs.append((offset, numbytes)) pos += 24 isextended = bool(buf[482]) origsize = nti(buf[483:495]) obj._sparse_structs = (structs, isextended, origsize) # Remove redundant slashes from directories. if obj.isdir(): obj.name = obj.name.rstrip("/") # Reconstruct a ustar longname. if prefix and obj.type not in GNU_TYPES: obj.name = prefix + "/" + obj.name return obj @classmethod def fromtarfile(cls, tarfile): """Return the next TarInfo object from TarFile object tarfile. """ buf = tarfile.fileobj.read(BLOCKSIZE) obj = cls.frombuf(buf, tarfile.encoding, tarfile.errors) obj.offset = tarfile.fileobj.tell() - BLOCKSIZE return obj._proc_member(tarfile) #-------------------------------------------------------------------------- # The following are methods that are called depending on the type of a # member. The entry point is _proc_member() which can be overridden in a # subclass to add custom _proc_*() methods. A _proc_*() method MUST # implement the following # operations: # 1. Set self.offset_data to the position where the data blocks begin, # if there is data that follows. # 2. Set tarfile.offset to the position where the next member's header will # begin. # 3. Return self or another valid TarInfo object. def _proc_member(self, tarfile): """Choose the right processing method depending on the type and call it. """ if self.type in (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK): return self._proc_gnulong(tarfile) elif self.type == GNUTYPE_SPARSE: return self._proc_sparse(tarfile) elif self.type in (XHDTYPE, XGLTYPE, SOLARIS_XHDTYPE): return self._proc_pax(tarfile) else: return self._proc_builtin(tarfile) def _proc_builtin(self, tarfile): """Process a builtin type or an unknown type which will be treated as a regular file. """ self.offset_data = tarfile.fileobj.tell() offset = self.offset_data if self.isreg() or self.type not in SUPPORTED_TYPES: # Skip the following data blocks. offset += self._block(self.size) tarfile.offset = offset # Patch the TarInfo object with saved global # header information. self._apply_pax_info(tarfile.pax_headers, tarfile.encoding, tarfile.errors) return self def _proc_gnulong(self, tarfile): """Process the blocks that hold a GNU longname or longlink member. """ buf = tarfile.fileobj.read(self._block(self.size)) # Fetch the next header and process it. try: next = self.fromtarfile(tarfile) except HeaderError: raise SubsequentHeaderError("missing or bad subsequent header") # Patch the TarInfo object from the next header with # the longname information. next.offset = self.offset if self.type == GNUTYPE_LONGNAME: next.name = nts(buf, tarfile.encoding, tarfile.errors) elif self.type == GNUTYPE_LONGLINK: next.linkname = nts(buf, tarfile.encoding, tarfile.errors) return next def _proc_sparse(self, tarfile): """Process a GNU sparse header plus extra headers. """ # We already collected some sparse structures in frombuf(). structs, isextended, origsize = self._sparse_structs del self._sparse_structs # Collect sparse structures from extended header blocks. while isextended: buf = tarfile.fileobj.read(BLOCKSIZE) pos = 0 for i in range(21): try: offset = nti(buf[pos:pos + 12]) numbytes = nti(buf[pos + 12:pos + 24]) except ValueError: break if offset and numbytes: structs.append((offset, numbytes)) pos += 24 isextended = bool(buf[504]) self.sparse = structs self.offset_data = tarfile.fileobj.tell() tarfile.offset = self.offset_data + self._block(self.size) self.size = origsize return self def _proc_pax(self, tarfile): """Process an extended or global header as described in POSIX.1-2008. """ # Read the header information. buf = tarfile.fileobj.read(self._block(self.size)) # A pax header stores supplemental information for either # the following file (extended) or all following files # (global). if self.type == XGLTYPE: pax_headers = tarfile.pax_headers else: pax_headers = tarfile.pax_headers.copy() # Check if the pax header contains a hdrcharset field. This tells us # the encoding of the path, linkpath, uname and gname fields. Normally, # these fields are UTF-8 encoded but since POSIX.1-2008 tar # implementations are allowed to store them as raw binary strings if # the translation to UTF-8 fails. match = re.search(br"\d+ hdrcharset=([^\n]+)\n", buf) if match is not None: pax_headers["hdrcharset"] = match.group(1).decode("utf8") # For the time being, we don't care about anything other than "BINARY". # The only other value that is currently allowed by the standard is # "ISO-IR 10646 2000 UTF-8" in other words UTF-8. hdrcharset = pax_headers.get("hdrcharset") if hdrcharset == "BINARY": encoding = tarfile.encoding else: encoding = "utf8" # Parse pax header information. A record looks like that: # "%d %s=%s\n" % (length, keyword, value). length is the size # of the complete record including the length field itself and # the newline. keyword and value are both UTF-8 encoded strings. regex = re.compile(br"(\d+) ([^=]+)=") pos = 0 while True: match = regex.match(buf, pos) if not match: break length, keyword = match.groups() length = int(length) value = buf[match.end(2) + 1:match.start(1) + length - 1] # Normally, we could just use "utf8" as the encoding and "strict" # as the error handler, but we better not take the risk. For # example, GNU tar <= 1.23 is known to store filenames it cannot # translate to UTF-8 as raw strings (unfortunately without a # hdrcharset=BINARY header). # We first try the strict standard encoding, and if that fails we # fall back on the user's encoding and error handler. keyword = self._decode_pax_field(keyword, "utf8", "utf8", tarfile.errors) if keyword in PAX_NAME_FIELDS: value = self._decode_pax_field(value, encoding, tarfile.encoding, tarfile.errors) else: value = self._decode_pax_field(value, "utf8", "utf8", tarfile.errors) pax_headers[keyword] = value pos += length # Fetch the next header. try: next = self.fromtarfile(tarfile) except HeaderError: raise SubsequentHeaderError("missing or bad subsequent header") # Process GNU sparse information. if "GNU.sparse.map" in pax_headers: # GNU extended sparse format version 0.1. self._proc_gnusparse_01(next, pax_headers) elif "GNU.sparse.size" in pax_headers: # GNU extended sparse format version 0.0. self._proc_gnusparse_00(next, pax_headers, buf) elif pax_headers.get("GNU.sparse.major") == "1" and pax_headers.get("GNU.sparse.minor") == "0": # GNU extended sparse format version 1.0. self._proc_gnusparse_10(next, pax_headers, tarfile) if self.type in (XHDTYPE, SOLARIS_XHDTYPE): # Patch the TarInfo object with the extended header info. next._apply_pax_info(pax_headers, tarfile.encoding, tarfile.errors) next.offset = self.offset if "size" in pax_headers: # If the extended header replaces the size field, # we need to recalculate the offset where the next # header starts. offset = next.offset_data if next.isreg() or next.type not in SUPPORTED_TYPES: offset += next._block(next.size) tarfile.offset = offset return next def _proc_gnusparse_00(self, next, pax_headers, buf): """Process a GNU tar extended sparse header, version 0.0. """ offsets = [] for match in re.finditer(br"\d+ GNU.sparse.offset=(\d+)\n", buf): offsets.append(int(match.group(1))) numbytes = [] for match in re.finditer(br"\d+ GNU.sparse.numbytes=(\d+)\n", buf): numbytes.append(int(match.group(1))) next.sparse = list(zip(offsets, numbytes)) def _proc_gnusparse_01(self, next, pax_headers): """Process a GNU tar extended sparse header, version 0.1. """ sparse = [int(x) for x in pax_headers["GNU.sparse.map"].split(",")] next.sparse = list(zip(sparse[::2], sparse[1::2])) def _proc_gnusparse_10(self, next, pax_headers, tarfile): """Process a GNU tar extended sparse header, version 1.0. """ fields = None sparse = [] buf = tarfile.fileobj.read(BLOCKSIZE) fields, buf = buf.split(b"\n", 1) fields = int(fields) while len(sparse) < fields * 2: if b"\n" not in buf: buf += tarfile.fileobj.read(BLOCKSIZE) number, buf = buf.split(b"\n", 1) sparse.append(int(number)) next.offset_data = tarfile.fileobj.tell() next.sparse = list(zip(sparse[::2], sparse[1::2])) def _apply_pax_info(self, pax_headers, encoding, errors): """Replace fields with supplemental information from a previous pax extended or global header. """ for keyword, value in pax_headers.items(): if keyword == "GNU.sparse.name": setattr(self, "path", value) elif keyword == "GNU.sparse.size": setattr(self, "size", int(value)) elif keyword == "GNU.sparse.realsize": setattr(self, "size", int(value)) elif keyword in PAX_FIELDS: if keyword in PAX_NUMBER_FIELDS: try: value = PAX_NUMBER_FIELDS[keyword](value) except ValueError: value = 0 if keyword == "path": value = value.rstrip("/") setattr(self, keyword, value) self.pax_headers = pax_headers.copy() def _decode_pax_field(self, value, encoding, fallback_encoding, fallback_errors): """Decode a single field from a pax record. """ try: return value.decode(encoding, "strict") except UnicodeDecodeError: return value.decode(fallback_encoding, fallback_errors) def _block(self, count): """Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. """ blocks, remainder = divmod(count, BLOCKSIZE) if remainder: blocks += 1 return blocks * BLOCKSIZE def isreg(self): return self.type in REGULAR_TYPES def isfile(self): return self.isreg() def isdir(self): return self.type == DIRTYPE def issym(self): return self.type == SYMTYPE def islnk(self): return self.type == LNKTYPE def ischr(self): return self.type == CHRTYPE def isblk(self): return self.type == BLKTYPE def isfifo(self): return self.type == FIFOTYPE def issparse(self): return self.sparse is not None def isdev(self): return self.type in (CHRTYPE, BLKTYPE, FIFOTYPE) # class TarInfo class TarFile(object): """The TarFile Class provides an interface to tar archives. """ debug = 0 # May be set from 0 (no msgs) to 3 (all msgs) dereference = False # If true, add content of linked file to the # tar file, else the link. ignore_zeros = False # If true, skips empty or invalid blocks and # continues processing. errorlevel = 1 # If 0, fatal errors only appear in debug # messages (if debug >= 0). If > 0, errors # are passed to the caller as exceptions. format = DEFAULT_FORMAT # The format to use when creating an archive. encoding = ENCODING # Encoding for 8-bit character strings. errors = None # Error handler for unicode conversion. tarinfo = TarInfo # The default TarInfo class to use. fileobject = ExFileObject # The default ExFileObject class to use. def __init__(self, name=None, mode="r", fileobj=None, format=None, tarinfo=None, dereference=None, ignore_zeros=None, encoding=None, errors="surrogateescape", pax_headers=None, debug=None, errorlevel=None): """Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. """ if len(mode) > 1 or mode not in "raw": raise ValueError("mode must be 'r', 'a' or 'w'") self.mode = mode self._mode = {"r": "rb", "a": "r+b", "w": "wb"}[mode] if not fileobj: if self.mode == "a" and not os.path.exists(name): # Create nonexistent files in append mode. self.mode = "w" self._mode = "wb" fileobj = bltn_open(name, self._mode) self._extfileobj = False else: if name is None and hasattr(fileobj, "name"): name = fileobj.name if hasattr(fileobj, "mode"): self._mode = fileobj.mode self._extfileobj = True self.name = os.path.abspath(name) if name else None self.fileobj = fileobj # Init attributes. if format is not None: self.format = format if tarinfo is not None: self.tarinfo = tarinfo if dereference is not None: self.dereference = dereference if ignore_zeros is not None: self.ignore_zeros = ignore_zeros if encoding is not None: self.encoding = encoding self.errors = errors if pax_headers is not None and self.format == PAX_FORMAT: self.pax_headers = pax_headers else: self.pax_headers = {} if debug is not None: self.debug = debug if errorlevel is not None: self.errorlevel = errorlevel # Init datastructures. self.closed = False self.members = [] # list of members as TarInfo objects self._loaded = False # flag if all members have been read self.offset = self.fileobj.tell() # current position in the archive file self.inodes = {} # dictionary caching the inodes of # archive members already added try: if self.mode == "r": self.firstmember = None self.firstmember = self.next() if self.mode == "a": # Move to the end of the archive, # before the first empty block. while True: self.fileobj.seek(self.offset) try: tarinfo = self.tarinfo.fromtarfile(self) self.members.append(tarinfo) except EOFHeaderError: self.fileobj.seek(self.offset) break except HeaderError as e: raise ReadError(str(e)) if self.mode in "aw": self._loaded = True if self.pax_headers: buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy()) self.fileobj.write(buf) self.offset += len(buf) except: if not self._extfileobj: self.fileobj.close() self.closed = True raise #-------------------------------------------------------------------------- # Below are the classmethods which act as alternate constructors to the # TarFile class. The open() method is the only one that is needed for # public use; it is the "super"-constructor and is able to select an # adequate "sub"-constructor for a particular compression using the mapping # from OPEN_METH. # # This concept allows one to subclass TarFile without losing the comfort of # the super-constructor. A sub-constructor is registered and made available # by adding it to the mapping in OPEN_METH. @classmethod def open(cls, name=None, mode="r", fileobj=None, bufsize=RECORDSIZE, **kwargs): """Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression 'a' or 'a:' open for appending, creating the file if necessary 'w' or 'w:' open for writing without compression 'w:gz' open for writing with gzip compression 'w:bz2' open for writing with bzip2 compression 'r|*' open a stream of tar blocks with transparent compression 'r|' open an uncompressed stream of tar blocks for reading 'r|gz' open a gzip compressed stream of tar blocks 'r|bz2' open a bzip2 compressed stream of tar blocks 'w|' open an uncompressed stream for writing 'w|gz' open a gzip compressed stream for writing 'w|bz2' open a bzip2 compressed stream for writing """ if not name and not fileobj: raise ValueError("nothing to open") if mode in ("r", "r:*"): # Find out which *open() is appropriate for opening the file. for comptype in cls.OPEN_METH: func = getattr(cls, cls.OPEN_METH[comptype]) if fileobj is not None: saved_pos = fileobj.tell() try: return func(name, "r", fileobj, **kwargs) except (ReadError, CompressionError) as e: if fileobj is not None: fileobj.seek(saved_pos) continue raise ReadError("file could not be opened successfully") elif ":" in mode: filemode, comptype = mode.split(":", 1) filemode = filemode or "r" comptype = comptype or "tar" # Select the *open() function according to # given compression. if comptype in cls.OPEN_METH: func = getattr(cls, cls.OPEN_METH[comptype]) else: raise CompressionError("unknown compression type %r" % comptype) return func(name, filemode, fileobj, **kwargs) elif "|" in mode: filemode, comptype = mode.split("|", 1) filemode = filemode or "r" comptype = comptype or "tar" if filemode not in "rw": raise ValueError("mode must be 'r' or 'w'") stream = _Stream(name, filemode, comptype, fileobj, bufsize) try: t = cls(name, filemode, stream, **kwargs) except: stream.close() raise t._extfileobj = False return t elif mode in "aw": return cls.taropen(name, mode, fileobj, **kwargs) raise ValueError("undiscernible mode") @classmethod def taropen(cls, name, mode="r", fileobj=None, **kwargs): """Open uncompressed tar archive name for reading or writing. """ if len(mode) > 1 or mode not in "raw": raise ValueError("mode must be 'r', 'a' or 'w'") return cls(name, mode, fileobj, **kwargs) @classmethod def gzopen(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): """Open gzip compressed tar archive name for reading or writing. Appending is not allowed. """ if len(mode) > 1 or mode not in "rw": raise ValueError("mode must be 'r' or 'w'") try: import gzip gzip.GzipFile except (ImportError, AttributeError): raise CompressionError("gzip module is not available") extfileobj = fileobj is not None try: fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj) t = cls.taropen(name, mode, fileobj, **kwargs) except IOError: if not extfileobj and fileobj is not None: fileobj.close() if fileobj is None: raise raise ReadError("not a gzip file") except: if not extfileobj and fileobj is not None: fileobj.close() raise t._extfileobj = extfileobj return t @classmethod def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): """Open bzip2 compressed tar archive name for reading or writing. Appending is not allowed. """ if len(mode) > 1 or mode not in "rw": raise ValueError("mode must be 'r' or 'w'.") try: import bz2 except ImportError: raise CompressionError("bz2 module is not available") if fileobj is not None: fileobj = _BZ2Proxy(fileobj, mode) else: fileobj = bz2.BZ2File(name, mode, compresslevel=compresslevel) try: t = cls.taropen(name, mode, fileobj, **kwargs) except (IOError, EOFError): fileobj.close() raise ReadError("not a bzip2 file") t._extfileobj = False return t # All *open() methods are registered here. OPEN_METH = { "tar": "taropen", # uncompressed tar "gz": "gzopen", # gzip compressed tar "bz2": "bz2open" # bzip2 compressed tar } #-------------------------------------------------------------------------- # The public methods which TarFile provides: def close(self): """Close the TarFile. In write-mode, two finishing zero blocks are appended to the archive. """ if self.closed: return if self.mode in "aw": self.fileobj.write(NUL * (BLOCKSIZE * 2)) self.offset += (BLOCKSIZE * 2) # fill up the end with zero-blocks # (like option -b20 for tar does) blocks, remainder = divmod(self.offset, RECORDSIZE) if remainder > 0: self.fileobj.write(NUL * (RECORDSIZE - remainder)) if not self._extfileobj: self.fileobj.close() self.closed = True def getmember(self, name): """Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. """ tarinfo = self._getmember(name) if tarinfo is None: raise KeyError("filename %r not found" % name) return tarinfo def getmembers(self): """Return the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. """ self._check() if not self._loaded: # if we want to obtain a list of self._load() # all members, we first have to # scan the whole archive. return self.members def getnames(self): """Return the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). """ return [tarinfo.name for tarinfo in self.getmembers()] def gettarinfo(self, name=None, arcname=None, fileobj=None): """Create a TarInfo object for either the file `name' or the file object `fileobj' (using os.fstat on its file descriptor). You can modify some of the TarInfo's attributes before you add it using addfile(). If given, `arcname' specifies an alternative name for the file in the archive. """ self._check("aw") # When fileobj is given, replace name by # fileobj's real name. if fileobj is not None: name = fileobj.name # Building the name of the member in the archive. # Backward slashes are converted to forward slashes, # Absolute paths are turned to relative paths. if arcname is None: arcname = name drv, arcname = os.path.splitdrive(arcname) arcname = arcname.replace(os.sep, "/") arcname = arcname.lstrip("/") # Now, fill the TarInfo object with # information specific for the file. tarinfo = self.tarinfo() tarinfo.tarfile = self # Use os.stat or os.lstat, depending on platform # and if symlinks shall be resolved. if fileobj is None: if hasattr(os, "lstat") and not self.dereference: statres = os.lstat(name) else: statres = os.stat(name) else: statres = os.fstat(fileobj.fileno()) linkname = "" stmd = statres.st_mode if stat.S_ISREG(stmd): inode = (statres.st_ino, statres.st_dev) if not self.dereference and statres.st_nlink > 1 and \ inode in self.inodes and arcname != self.inodes[inode]: # Is it a hardlink to an already # archived file? type = LNKTYPE linkname = self.inodes[inode] else: # The inode is added only if its valid. # For win32 it is always 0. type = REGTYPE if inode[0]: self.inodes[inode] = arcname elif stat.S_ISDIR(stmd): type = DIRTYPE elif stat.S_ISFIFO(stmd): type = FIFOTYPE elif stat.S_ISLNK(stmd): type = SYMTYPE linkname = os.readlink(name) elif stat.S_ISCHR(stmd): type = CHRTYPE elif stat.S_ISBLK(stmd): type = BLKTYPE else: return None # Fill the TarInfo object with all # information we can get. tarinfo.name = arcname tarinfo.mode = stmd tarinfo.uid = statres.st_uid tarinfo.gid = statres.st_gid if type == REGTYPE: tarinfo.size = statres.st_size else: tarinfo.size = 0 tarinfo.mtime = statres.st_mtime tarinfo.type = type tarinfo.linkname = linkname if pwd: try: tarinfo.uname = pwd.getpwuid(tarinfo.uid)[0] except KeyError: pass if grp: try: tarinfo.gname = grp.getgrgid(tarinfo.gid)[0] except KeyError: pass if type in (CHRTYPE, BLKTYPE): if hasattr(os, "major") and hasattr(os, "minor"): tarinfo.devmajor = os.major(statres.st_rdev) tarinfo.devminor = os.minor(statres.st_rdev) return tarinfo def list(self, verbose=True): """Print a table of contents to sys.stdout. If `verbose' is False, only the names of the members are printed. If it is True, an `ls -l'-like output is produced. """ self._check() for tarinfo in self: if verbose: print(filemode(tarinfo.mode), end=' ') print("%s/%s" % (tarinfo.uname or tarinfo.uid, tarinfo.gname or tarinfo.gid), end=' ') if tarinfo.ischr() or tarinfo.isblk(): print("%10s" % ("%d,%d" \ % (tarinfo.devmajor, tarinfo.devminor)), end=' ') else: print("%10d" % tarinfo.size, end=' ') print("%d-%02d-%02d %02d:%02d:%02d" \ % time.localtime(tarinfo.mtime)[:6], end=' ') print(tarinfo.name + ("/" if tarinfo.isdir() else ""), end=' ') if verbose: if tarinfo.issym(): print("->", tarinfo.linkname, end=' ') if tarinfo.islnk(): print("link to", tarinfo.linkname, end=' ') print() def add(self, name, arcname=None, recursive=True, exclude=None, filter=None): """Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `exclude' is a function that should return True for each filename to be excluded. `filter' is a function that expects a TarInfo object argument and returns the changed TarInfo object, if it returns None the TarInfo object will be excluded from the archive. """ self._check("aw") if arcname is None: arcname = name # Exclude pathnames. if exclude is not None: import warnings warnings.warn("use the filter argument instead", DeprecationWarning, 2) if exclude(name): self._dbg(2, "tarfile: Excluded %r" % name) return # Skip if somebody tries to archive the archive... if self.name is not None and os.path.abspath(name) == self.name: self._dbg(2, "tarfile: Skipped %r" % name) return self._dbg(1, name) # Create a TarInfo object from the file. tarinfo = self.gettarinfo(name, arcname) if tarinfo is None: self._dbg(1, "tarfile: Unsupported type %r" % name) return # Change or exclude the TarInfo object. if filter is not None: tarinfo = filter(tarinfo) if tarinfo is None: self._dbg(2, "tarfile: Excluded %r" % name) return # Append the tar header and data to the archive. if tarinfo.isreg(): f = bltn_open(name, "rb") self.addfile(tarinfo, f) f.close() elif tarinfo.isdir(): self.addfile(tarinfo) if recursive: for f in os.listdir(name): self.add(os.path.join(name, f), os.path.join(arcname, f), recursive, exclude, filter=filter) else: self.addfile(tarinfo) def addfile(self, tarinfo, fileobj=None): """Add the TarInfo object `tarinfo' to the archive. If `fileobj' is given, tarinfo.size bytes are read from it and added to the archive. You can create TarInfo objects using gettarinfo(). On Windows platforms, `fileobj' should always be opened with mode 'rb' to avoid irritation about the file size. """ self._check("aw") tarinfo = copy.copy(tarinfo) buf = tarinfo.tobuf(self.format, self.encoding, self.errors) self.fileobj.write(buf) self.offset += len(buf) # If there's data to follow, append it. if fileobj is not None: copyfileobj(fileobj, self.fileobj, tarinfo.size) blocks, remainder = divmod(tarinfo.size, BLOCKSIZE) if remainder > 0: self.fileobj.write(NUL * (BLOCKSIZE - remainder)) blocks += 1 self.offset += blocks * BLOCKSIZE self.members.append(tarinfo) def extractall(self, path=".", members=None): """Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). """ directories = [] if members is None: members = self for tarinfo in members: if tarinfo.isdir(): # Extract directories with a safe mode. directories.append(tarinfo) tarinfo = copy.copy(tarinfo) tarinfo.mode = 0o700 # Do not set_attrs directories, as we will do that further down self.extract(tarinfo, path, set_attrs=not tarinfo.isdir()) # Reverse sort directories. directories.sort(key=lambda a: a.name) directories.reverse() # Set correct owner, mtime and filemode on directories. for tarinfo in directories: dirpath = os.path.join(path, tarinfo.name) try: self.chown(tarinfo, dirpath) self.utime(tarinfo, dirpath) self.chmod(tarinfo, dirpath) except ExtractError as e: if self.errorlevel > 1: raise else: self._dbg(1, "tarfile: %s" % e) def extract(self, member, path="", set_attrs=True): """Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. """ self._check("r") if isinstance(member, str): tarinfo = self.getmember(member) else: tarinfo = member # Prepare the link target for makelink(). if tarinfo.islnk(): tarinfo._link_target = os.path.join(path, tarinfo.linkname) try: self._extract_member(tarinfo, os.path.join(path, tarinfo.name), set_attrs=set_attrs) except EnvironmentError as e: if self.errorlevel > 0: raise else: if e.filename is None: self._dbg(1, "tarfile: %s" % e.strerror) else: self._dbg(1, "tarfile: %s %r" % (e.strerror, e.filename)) except ExtractError as e: if self.errorlevel > 1: raise else: self._dbg(1, "tarfile: %s" % e) def extractfile(self, member): """Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file, a file-like object is returned. If `member' is a link, a file-like object is constructed from the link's target. If `member' is none of the above, None is returned. The file-like object is read-only and provides the following methods: read(), readline(), readlines(), seek() and tell() """ self._check("r") if isinstance(member, str): tarinfo = self.getmember(member) else: tarinfo = member if tarinfo.isreg(): return self.fileobject(self, tarinfo) elif tarinfo.type not in SUPPORTED_TYPES: # If a member's type is unknown, it is treated as a # regular file. return self.fileobject(self, tarinfo) elif tarinfo.islnk() or tarinfo.issym(): if isinstance(self.fileobj, _Stream): # A small but ugly workaround for the case that someone tries # to extract a (sym)link as a file-object from a non-seekable # stream of tar blocks. raise StreamError("cannot extract (sym)link as file object") else: # A (sym)link's file object is its target's file object. return self.extractfile(self._find_link_target(tarinfo)) else: # If there's no data associated with the member (directory, chrdev, # blkdev, etc.), return None instead of a file object. return None def _extract_member(self, tarinfo, targetpath, set_attrs=True): """Extract the TarInfo object tarinfo to a physical file called targetpath. """ # Fetch the TarInfo object for the given name # and build the destination pathname, replacing # forward slashes to platform specific separators. targetpath = targetpath.rstrip("/") targetpath = targetpath.replace("/", os.sep) # Create all upper directories. upperdirs = os.path.dirname(targetpath) if upperdirs and not os.path.exists(upperdirs): # Create directories that are not part of the archive with # default permissions. os.makedirs(upperdirs) if tarinfo.islnk() or tarinfo.issym(): self._dbg(1, "%s -> %s" % (tarinfo.name, tarinfo.linkname)) else: self._dbg(1, tarinfo.name) if tarinfo.isreg(): self.makefile(tarinfo, targetpath) elif tarinfo.isdir(): self.makedir(tarinfo, targetpath) elif tarinfo.isfifo(): self.makefifo(tarinfo, targetpath) elif tarinfo.ischr() or tarinfo.isblk(): self.makedev(tarinfo, targetpath) elif tarinfo.islnk() or tarinfo.issym(): self.makelink(tarinfo, targetpath) elif tarinfo.type not in SUPPORTED_TYPES: self.makeunknown(tarinfo, targetpath) else: self.makefile(tarinfo, targetpath) if set_attrs: self.chown(tarinfo, targetpath) if not tarinfo.issym(): self.chmod(tarinfo, targetpath) self.utime(tarinfo, targetpath) #-------------------------------------------------------------------------- # Below are the different file methods. They are called via # _extract_member() when extract() is called. They can be replaced in a # subclass to implement other functionality. def makedir(self, tarinfo, targetpath): """Make a directory called targetpath. """ try: # Use a safe mode for the directory, the real mode is set # later in _extract_member(). os.mkdir(targetpath, 0o700) except EnvironmentError as e: if e.errno != errno.EEXIST: raise def makefile(self, tarinfo, targetpath): """Make a file called targetpath. """ source = self.fileobj source.seek(tarinfo.offset_data) target = bltn_open(targetpath, "wb") if tarinfo.sparse is not None: for offset, size in tarinfo.sparse: target.seek(offset) copyfileobj(source, target, size) else: copyfileobj(source, target, tarinfo.size) target.seek(tarinfo.size) target.truncate() target.close() def makeunknown(self, tarinfo, targetpath): """Make a file from a TarInfo object with an unknown type at targetpath. """ self.makefile(tarinfo, targetpath) self._dbg(1, "tarfile: Unknown file type %r, " \ "extracted as regular file." % tarinfo.type) def makefifo(self, tarinfo, targetpath): """Make a fifo called targetpath. """ if hasattr(os, "mkfifo"): os.mkfifo(targetpath) else: raise ExtractError("fifo not supported by system") def makedev(self, tarinfo, targetpath): """Make a character or block device called targetpath. """ if not hasattr(os, "mknod") or not hasattr(os, "makedev"): raise ExtractError("special devices not supported by system") mode = tarinfo.mode if tarinfo.isblk(): mode |= stat.S_IFBLK else: mode |= stat.S_IFCHR os.mknod(targetpath, mode, os.makedev(tarinfo.devmajor, tarinfo.devminor)) def makelink(self, tarinfo, targetpath): """Make a (symbolic) link called targetpath. If it cannot be created (platform limitation), we try to make a copy of the referenced file instead of a link. """ try: # For systems that support symbolic and hard links. if tarinfo.issym(): os.symlink(tarinfo.linkname, targetpath) else: # See extract(). if os.path.exists(tarinfo._link_target): os.link(tarinfo._link_target, targetpath) else: self._extract_member(self._find_link_target(tarinfo), targetpath) except symlink_exception: if tarinfo.issym(): linkpath = os.path.join(os.path.dirname(tarinfo.name), tarinfo.linkname) else: linkpath = tarinfo.linkname else: try: self._extract_member(self._find_link_target(tarinfo), targetpath) except KeyError: raise ExtractError("unable to resolve link inside archive") def chown(self, tarinfo, targetpath): """Set owner of targetpath according to tarinfo. """ if pwd and hasattr(os, "geteuid") and os.geteuid() == 0: # We have to be root to do so. try: g = grp.getgrnam(tarinfo.gname)[2] except KeyError: g = tarinfo.gid try: u = pwd.getpwnam(tarinfo.uname)[2] except KeyError: u = tarinfo.uid try: if tarinfo.issym() and hasattr(os, "lchown"): os.lchown(targetpath, u, g) else: if sys.platform != "os2emx": os.chown(targetpath, u, g) except EnvironmentError as e: raise ExtractError("could not change owner") def chmod(self, tarinfo, targetpath): """Set file permissions of targetpath according to tarinfo. """ if hasattr(os, 'chmod'): try: os.chmod(targetpath, tarinfo.mode) except EnvironmentError as e: raise ExtractError("could not change mode") def utime(self, tarinfo, targetpath): """Set modification time of targetpath according to tarinfo. """ if not hasattr(os, 'utime'): return try: os.utime(targetpath, (tarinfo.mtime, tarinfo.mtime)) except EnvironmentError as e: raise ExtractError("could not change modification time") #-------------------------------------------------------------------------- def next(self): """Return the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. """ self._check("ra") if self.firstmember is not None: m = self.firstmember self.firstmember = None return m # Read the next block. self.fileobj.seek(self.offset) tarinfo = None while True: try: tarinfo = self.tarinfo.fromtarfile(self) except EOFHeaderError as e: if self.ignore_zeros: self._dbg(2, "0x%X: %s" % (self.offset, e)) self.offset += BLOCKSIZE continue except InvalidHeaderError as e: if self.ignore_zeros: self._dbg(2, "0x%X: %s" % (self.offset, e)) self.offset += BLOCKSIZE continue elif self.offset == 0: raise ReadError(str(e)) except EmptyHeaderError: if self.offset == 0: raise ReadError("empty file") except TruncatedHeaderError as e: if self.offset == 0: raise ReadError(str(e)) except SubsequentHeaderError as e: raise ReadError(str(e)) break if tarinfo is not None: self.members.append(tarinfo) else: self._loaded = True return tarinfo #-------------------------------------------------------------------------- # Little helper methods: def _getmember(self, name, tarinfo=None, normalize=False): """Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. """ # Ensure that all members have been loaded. members = self.getmembers() # Limit the member search list up to tarinfo. if tarinfo is not None: members = members[:members.index(tarinfo)] if normalize: name = os.path.normpath(name) for member in reversed(members): if normalize: member_name = os.path.normpath(member.name) else: member_name = member.name if name == member_name: return member def _load(self): """Read through the entire archive file and look for readable members. """ while True: tarinfo = self.next() if tarinfo is None: break self._loaded = True def _check(self, mode=None): """Check if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. """ if self.closed: raise IOError("%s is closed" % self.__class__.__name__) if mode is not None and self.mode not in mode: raise IOError("bad operation for mode %r" % self.mode) def _find_link_target(self, tarinfo): """Find the target member of a symlink or hardlink member in the archive. """ if tarinfo.issym(): # Always search the entire archive. linkname = os.path.dirname(tarinfo.name) + "/" + tarinfo.linkname limit = None else: # Search the archive before the link, because a hard link is # just a reference to an already archived file. linkname = tarinfo.linkname limit = tarinfo member = self._getmember(linkname, tarinfo=limit, normalize=True) if member is None: raise KeyError("linkname %r not found" % linkname) return member def __iter__(self): """Provide an iterator object. """ if self._loaded: return iter(self.members) else: return TarIter(self) def _dbg(self, level, msg): """Write debugging output to sys.stderr. """ if level <= self.debug: print(msg, file=sys.stderr) def __enter__(self): self._check() return self def __exit__(self, type, value, traceback): if type is None: self.close() else: # An exception occurred. We must not call close() because # it would try to write end-of-archive blocks and padding. if not self._extfileobj: self.fileobj.close() self.closed = True # class TarFile class TarIter(object): """Iterator Class. for tarinfo in TarFile(...): suite... """ def __init__(self, tarfile): """Construct a TarIter object. """ self.tarfile = tarfile self.index = 0 def __iter__(self): """Return iterator object. """ return self def __next__(self): """Return the next item using TarFile's next() method. When all members have been read, set TarFile as _loaded. """ # Fix for SF #1100429: Under rare circumstances it can # happen that getmembers() is called during iteration, # which will cause TarIter to stop prematurely. if not self.tarfile._loaded: tarinfo = self.tarfile.next() if not tarinfo: self.tarfile._loaded = True raise StopIteration else: try: tarinfo = self.tarfile.members[self.index] except IndexError: raise StopIteration self.index += 1 return tarinfo next = __next__ # for Python 2.x #-------------------- # exported functions #-------------------- def is_tarfile(name): """Return True if name points to a tar archive that we are able to handle, else return False. """ try: t = open(name) t.close() return True except TarError: return False bltn_open = open open = TarFile.open _vendor/distlib/__init__.py 0000644 00000001105 15114542003 0011733 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2019 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # import logging __version__ = '0.3.3' class DistlibException(Exception): pass try: from logging import NullHandler except ImportError: # pragma: no cover class NullHandler(logging.Handler): def handle(self, record): pass def emit(self, record): pass def createLock(self): self.lock = None logger = logging.getLogger(__name__) logger.addHandler(NullHandler()) _vendor/distlib/compat.py 0000644 00000121027 15114542003 0011465 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2013-2017 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # from __future__ import absolute_import import os import re import sys try: import ssl except ImportError: # pragma: no cover ssl = None if sys.version_info[0] < 3: # pragma: no cover from StringIO import StringIO string_types = basestring, text_type = unicode from types import FileType as file_type import __builtin__ as builtins import ConfigParser as configparser from ._backport import shutil from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit from urllib import (urlretrieve, quote as _quote, unquote, url2pathname, pathname2url, ContentTooShortError, splittype) def quote(s): if isinstance(s, unicode): s = s.encode('utf-8') return _quote(s) import urllib2 from urllib2 import (Request, urlopen, URLError, HTTPError, HTTPBasicAuthHandler, HTTPPasswordMgr, HTTPHandler, HTTPRedirectHandler, build_opener) if ssl: from urllib2 import HTTPSHandler import httplib import xmlrpclib import Queue as queue from HTMLParser import HTMLParser import htmlentitydefs raw_input = raw_input from itertools import ifilter as filter from itertools import ifilterfalse as filterfalse # Leaving this around for now, in case it needs resurrecting in some way # _userprog = None # def splituser(host): # """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'.""" # global _userprog # if _userprog is None: # import re # _userprog = re.compile('^(.*)@(.*)$') # match = _userprog.match(host) # if match: return match.group(1, 2) # return None, host else: # pragma: no cover from io import StringIO string_types = str, text_type = str from io import TextIOWrapper as file_type import builtins import configparser import shutil from urllib.parse import (urlparse, urlunparse, urljoin, quote, unquote, urlsplit, urlunsplit, splittype) from urllib.request import (urlopen, urlretrieve, Request, url2pathname, pathname2url, HTTPBasicAuthHandler, HTTPPasswordMgr, HTTPHandler, HTTPRedirectHandler, build_opener) if ssl: from urllib.request import HTTPSHandler from urllib.error import HTTPError, URLError, ContentTooShortError import http.client as httplib import urllib.request as urllib2 import xmlrpc.client as xmlrpclib import queue from html.parser import HTMLParser import html.entities as htmlentitydefs raw_input = input from itertools import filterfalse filter = filter try: from ssl import match_hostname, CertificateError except ImportError: # pragma: no cover class CertificateError(ValueError): pass def _dnsname_match(dn, hostname, max_wildcards=1): """Matching according to RFC 6125, section 6.4.3 http://tools.ietf.org/html/rfc6125#section-6.4.3 """ pats = [] if not dn: return False parts = dn.split('.') leftmost, remainder = parts[0], parts[1:] wildcards = leftmost.count('*') if wildcards > max_wildcards: # Issue #17980: avoid denials of service by refusing more # than one wildcard per fragment. A survey of established # policy among SSL implementations showed it to be a # reasonable choice. raise CertificateError( "too many wildcards in certificate DNS name: " + repr(dn)) # speed up common case w/o wildcards if not wildcards: return dn.lower() == hostname.lower() # RFC 6125, section 6.4.3, subitem 1. # The client SHOULD NOT attempt to match a presented identifier in which # the wildcard character comprises a label other than the left-most label. if leftmost == '*': # When '*' is a fragment by itself, it matches a non-empty dotless # fragment. pats.append('[^.]+') elif leftmost.startswith('xn--') or hostname.startswith('xn--'): # RFC 6125, section 6.4.3, subitem 3. # The client SHOULD NOT attempt to match a presented identifier # where the wildcard character is embedded within an A-label or # U-label of an internationalized domain name. pats.append(re.escape(leftmost)) else: # Otherwise, '*' matches any dotless string, e.g. www* pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) # add the remaining fragments, ignore any wildcards for frag in remainder: pats.append(re.escape(frag)) pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) return pat.match(hostname) def match_hostname(cert, hostname): """Verify that *cert* (in decoded format as returned by SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 rules are followed, but IP addresses are not accepted for *hostname*. CertificateError is raised on failure. On success, the function returns nothing. """ if not cert: raise ValueError("empty or no certificate, match_hostname needs a " "SSL socket or SSL context with either " "CERT_OPTIONAL or CERT_REQUIRED") dnsnames = [] san = cert.get('subjectAltName', ()) for key, value in san: if key == 'DNS': if _dnsname_match(value, hostname): return dnsnames.append(value) if not dnsnames: # The subject is only checked when there is no dNSName entry # in subjectAltName for sub in cert.get('subject', ()): for key, value in sub: # XXX according to RFC 2818, the most specific Common Name # must be used. if key == 'commonName': if _dnsname_match(value, hostname): return dnsnames.append(value) if len(dnsnames) > 1: raise CertificateError("hostname %r " "doesn't match either of %s" % (hostname, ', '.join(map(repr, dnsnames)))) elif len(dnsnames) == 1: raise CertificateError("hostname %r " "doesn't match %r" % (hostname, dnsnames[0])) else: raise CertificateError("no appropriate commonName or " "subjectAltName fields were found") try: from types import SimpleNamespace as Container except ImportError: # pragma: no cover class Container(object): """ A generic container for when multiple values need to be returned """ def __init__(self, **kwargs): self.__dict__.update(kwargs) try: from shutil import which except ImportError: # pragma: no cover # Implementation from Python 3.3 def which(cmd, mode=os.F_OK | os.X_OK, path=None): """Given a command, mode, and a PATH string, return the path which conforms to the given mode on the PATH, or None if there is no such file. `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result of os.environ.get("PATH"), or can be overridden with a custom search path. """ # Check that a given file can be accessed with the correct mode. # Additionally check that `file` is not a directory, as on Windows # directories pass the os.access check. def _access_check(fn, mode): return (os.path.exists(fn) and os.access(fn, mode) and not os.path.isdir(fn)) # If we're given a path with a directory part, look it up directly rather # than referring to PATH directories. This includes checking relative to the # current directory, e.g. ./script if os.path.dirname(cmd): if _access_check(cmd, mode): return cmd return None if path is None: path = os.environ.get("PATH", os.defpath) if not path: return None path = path.split(os.pathsep) if sys.platform == "win32": # The current directory takes precedence on Windows. if not os.curdir in path: path.insert(0, os.curdir) # PATHEXT is necessary to check on Windows. pathext = os.environ.get("PATHEXT", "").split(os.pathsep) # See if the given file matches any of the expected path extensions. # This will allow us to short circuit when given "python.exe". # If it does match, only test that one, otherwise we have to try # others. if any(cmd.lower().endswith(ext.lower()) for ext in pathext): files = [cmd] else: files = [cmd + ext for ext in pathext] else: # On other platforms you don't have things like PATHEXT to tell you # what file suffixes are executable, so just pass on cmd as-is. files = [cmd] seen = set() for dir in path: normdir = os.path.normcase(dir) if not normdir in seen: seen.add(normdir) for thefile in files: name = os.path.join(dir, thefile) if _access_check(name, mode): return name return None # ZipFile is a context manager in 2.7, but not in 2.6 from zipfile import ZipFile as BaseZipFile if hasattr(BaseZipFile, '__enter__'): # pragma: no cover ZipFile = BaseZipFile else: # pragma: no cover from zipfile import ZipExtFile as BaseZipExtFile class ZipExtFile(BaseZipExtFile): def __init__(self, base): self.__dict__.update(base.__dict__) def __enter__(self): return self def __exit__(self, *exc_info): self.close() # return None, so if an exception occurred, it will propagate class ZipFile(BaseZipFile): def __enter__(self): return self def __exit__(self, *exc_info): self.close() # return None, so if an exception occurred, it will propagate def open(self, *args, **kwargs): base = BaseZipFile.open(self, *args, **kwargs) return ZipExtFile(base) try: from platform import python_implementation except ImportError: # pragma: no cover def python_implementation(): """Return a string identifying the Python implementation.""" if 'PyPy' in sys.version: return 'PyPy' if os.name == 'java': return 'Jython' if sys.version.startswith('IronPython'): return 'IronPython' return 'CPython' try: import sysconfig except ImportError: # pragma: no cover from ._backport import sysconfig try: callable = callable except NameError: # pragma: no cover from collections.abc import Callable def callable(obj): return isinstance(obj, Callable) try: fsencode = os.fsencode fsdecode = os.fsdecode except AttributeError: # pragma: no cover # Issue #99: on some systems (e.g. containerised), # sys.getfilesystemencoding() returns None, and we need a real value, # so fall back to utf-8. From the CPython 2.7 docs relating to Unix and # sys.getfilesystemencoding(): the return value is "the user’s preference # according to the result of nl_langinfo(CODESET), or None if the # nl_langinfo(CODESET) failed." _fsencoding = sys.getfilesystemencoding() or 'utf-8' if _fsencoding == 'mbcs': _fserrors = 'strict' else: _fserrors = 'surrogateescape' def fsencode(filename): if isinstance(filename, bytes): return filename elif isinstance(filename, text_type): return filename.encode(_fsencoding, _fserrors) else: raise TypeError("expect bytes or str, not %s" % type(filename).__name__) def fsdecode(filename): if isinstance(filename, text_type): return filename elif isinstance(filename, bytes): return filename.decode(_fsencoding, _fserrors) else: raise TypeError("expect bytes or str, not %s" % type(filename).__name__) try: from tokenize import detect_encoding except ImportError: # pragma: no cover from codecs import BOM_UTF8, lookup import re cookie_re = re.compile(r"coding[:=]\s*([-\w.]+)") def _get_normal_name(orig_enc): """Imitates get_normal_name in tokenizer.c.""" # Only care about the first 12 characters. enc = orig_enc[:12].lower().replace("_", "-") if enc == "utf-8" or enc.startswith("utf-8-"): return "utf-8" if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \ enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")): return "iso-8859-1" return orig_enc def detect_encoding(readline): """ The detect_encoding() function is used to detect the encoding that should be used to decode a Python source file. It requires one argument, readline, in the same way as the tokenize() generator. It will call readline a maximum of twice, and return the encoding used (as a string) and a list of any lines (left as bytes) it has read in. It detects the encoding from the presence of a utf-8 bom or an encoding cookie as specified in pep-0263. If both a bom and a cookie are present, but disagree, a SyntaxError will be raised. If the encoding cookie is an invalid charset, raise a SyntaxError. Note that if a utf-8 bom is found, 'utf-8-sig' is returned. If no encoding is specified, then the default of 'utf-8' will be returned. """ try: filename = readline.__self__.name except AttributeError: filename = None bom_found = False encoding = None default = 'utf-8' def read_or_stop(): try: return readline() except StopIteration: return b'' def find_cookie(line): try: # Decode as UTF-8. Either the line is an encoding declaration, # in which case it should be pure ASCII, or it must be UTF-8 # per default encoding. line_string = line.decode('utf-8') except UnicodeDecodeError: msg = "invalid or missing encoding declaration" if filename is not None: msg = '{} for {!r}'.format(msg, filename) raise SyntaxError(msg) matches = cookie_re.findall(line_string) if not matches: return None encoding = _get_normal_name(matches[0]) try: codec = lookup(encoding) except LookupError: # This behaviour mimics the Python interpreter if filename is None: msg = "unknown encoding: " + encoding else: msg = "unknown encoding for {!r}: {}".format(filename, encoding) raise SyntaxError(msg) if bom_found: if codec.name != 'utf-8': # This behaviour mimics the Python interpreter if filename is None: msg = 'encoding problem: utf-8' else: msg = 'encoding problem for {!r}: utf-8'.format(filename) raise SyntaxError(msg) encoding += '-sig' return encoding first = read_or_stop() if first.startswith(BOM_UTF8): bom_found = True first = first[3:] default = 'utf-8-sig' if not first: return default, [] encoding = find_cookie(first) if encoding: return encoding, [first] second = read_or_stop() if not second: return default, [first] encoding = find_cookie(second) if encoding: return encoding, [first, second] return default, [first, second] # For converting & <-> & etc. try: from html import escape except ImportError: from cgi import escape if sys.version_info[:2] < (3, 4): unescape = HTMLParser().unescape else: from html import unescape try: from collections import ChainMap except ImportError: # pragma: no cover from collections import MutableMapping try: from reprlib import recursive_repr as _recursive_repr except ImportError: def _recursive_repr(fillvalue='...'): ''' Decorator to make a repr function return fillvalue for a recursive call ''' def decorating_function(user_function): repr_running = set() def wrapper(self): key = id(self), get_ident() if key in repr_running: return fillvalue repr_running.add(key) try: result = user_function(self) finally: repr_running.discard(key) return result # Can't use functools.wraps() here because of bootstrap issues wrapper.__module__ = getattr(user_function, '__module__') wrapper.__doc__ = getattr(user_function, '__doc__') wrapper.__name__ = getattr(user_function, '__name__') wrapper.__annotations__ = getattr(user_function, '__annotations__', {}) return wrapper return decorating_function class ChainMap(MutableMapping): ''' A ChainMap groups multiple dicts (or other mappings) together to create a single, updateable view. The underlying mappings are stored in a list. That list is public and can accessed or updated using the *maps* attribute. There is no other state. Lookups search the underlying mappings successively until a key is found. In contrast, writes, updates, and deletions only operate on the first mapping. ''' def __init__(self, *maps): '''Initialize a ChainMap by setting *maps* to the given mappings. If no mappings are provided, a single empty dictionary is used. ''' self.maps = list(maps) or [{}] # always at least one map def __missing__(self, key): raise KeyError(key) def __getitem__(self, key): for mapping in self.maps: try: return mapping[key] # can't use 'key in mapping' with defaultdict except KeyError: pass return self.__missing__(key) # support subclasses that define __missing__ def get(self, key, default=None): return self[key] if key in self else default def __len__(self): return len(set().union(*self.maps)) # reuses stored hash values if possible def __iter__(self): return iter(set().union(*self.maps)) def __contains__(self, key): return any(key in m for m in self.maps) def __bool__(self): return any(self.maps) @_recursive_repr() def __repr__(self): return '{0.__class__.__name__}({1})'.format( self, ', '.join(map(repr, self.maps))) @classmethod def fromkeys(cls, iterable, *args): 'Create a ChainMap with a single dict created from the iterable.' return cls(dict.fromkeys(iterable, *args)) def copy(self): 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]' return self.__class__(self.maps[0].copy(), *self.maps[1:]) __copy__ = copy def new_child(self): # like Django's Context.push() 'New ChainMap with a new dict followed by all previous maps.' return self.__class__({}, *self.maps) @property def parents(self): # like Django's Context.pop() 'New ChainMap from maps[1:].' return self.__class__(*self.maps[1:]) def __setitem__(self, key, value): self.maps[0][key] = value def __delitem__(self, key): try: del self.maps[0][key] except KeyError: raise KeyError('Key not found in the first mapping: {!r}'.format(key)) def popitem(self): 'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.' try: return self.maps[0].popitem() except KeyError: raise KeyError('No keys found in the first mapping.') def pop(self, key, *args): 'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].' try: return self.maps[0].pop(key, *args) except KeyError: raise KeyError('Key not found in the first mapping: {!r}'.format(key)) def clear(self): 'Clear maps[0], leaving maps[1:] intact.' self.maps[0].clear() try: from importlib.util import cache_from_source # Python >= 3.4 except ImportError: # pragma: no cover try: from imp import cache_from_source except ImportError: # pragma: no cover def cache_from_source(path, debug_override=None): assert path.endswith('.py') if debug_override is None: debug_override = __debug__ if debug_override: suffix = 'c' else: suffix = 'o' return path + suffix try: from collections import OrderedDict except ImportError: # pragma: no cover ## {{{ http://code.activestate.com/recipes/576693/ (r9) # Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy. # Passes Python2.7's test suite and incorporates all the latest updates. try: from thread import get_ident as _get_ident except ImportError: from dummy_thread import get_ident as _get_ident try: from _abcoll import KeysView, ValuesView, ItemsView except ImportError: pass class OrderedDict(dict): 'Dictionary that remembers insertion order' # An inherited dict maps keys to values. # The inherited dict provides __getitem__, __len__, __contains__, and get. # The remaining methods are order-aware. # Big-O running times for all methods are the same as for regular dictionaries. # The internal self.__map dictionary maps keys to links in a doubly linked list. # The circular doubly linked list starts and ends with a sentinel element. # The sentinel element never gets deleted (this simplifies the algorithm). # Each link is stored as a list of length three: [PREV, NEXT, KEY]. def __init__(self, *args, **kwds): '''Initialize an ordered dictionary. Signature is the same as for regular dictionaries, but keyword arguments are not recommended because their insertion order is arbitrary. ''' if len(args) > 1: raise TypeError('expected at most 1 arguments, got %d' % len(args)) try: self.__root except AttributeError: self.__root = root = [] # sentinel node root[:] = [root, root, None] self.__map = {} self.__update(*args, **kwds) def __setitem__(self, key, value, dict_setitem=dict.__setitem__): 'od.__setitem__(i, y) <==> od[i]=y' # Setting a new item creates a new link which goes at the end of the linked # list, and the inherited dictionary is updated with the new key/value pair. if key not in self: root = self.__root last = root[0] last[1] = root[0] = self.__map[key] = [last, root, key] dict_setitem(self, key, value) def __delitem__(self, key, dict_delitem=dict.__delitem__): 'od.__delitem__(y) <==> del od[y]' # Deleting an existing item uses self.__map to find the link which is # then removed by updating the links in the predecessor and successor nodes. dict_delitem(self, key) link_prev, link_next, key = self.__map.pop(key) link_prev[1] = link_next link_next[0] = link_prev def __iter__(self): 'od.__iter__() <==> iter(od)' root = self.__root curr = root[1] while curr is not root: yield curr[2] curr = curr[1] def __reversed__(self): 'od.__reversed__() <==> reversed(od)' root = self.__root curr = root[0] while curr is not root: yield curr[2] curr = curr[0] def clear(self): 'od.clear() -> None. Remove all items from od.' try: for node in self.__map.itervalues(): del node[:] root = self.__root root[:] = [root, root, None] self.__map.clear() except AttributeError: pass dict.clear(self) def popitem(self, last=True): '''od.popitem() -> (k, v), return and remove a (key, value) pair. Pairs are returned in LIFO order if last is true or FIFO order if false. ''' if not self: raise KeyError('dictionary is empty') root = self.__root if last: link = root[0] link_prev = link[0] link_prev[1] = root root[0] = link_prev else: link = root[1] link_next = link[1] root[1] = link_next link_next[0] = root key = link[2] del self.__map[key] value = dict.pop(self, key) return key, value # -- the following methods do not depend on the internal structure -- def keys(self): 'od.keys() -> list of keys in od' return list(self) def values(self): 'od.values() -> list of values in od' return [self[key] for key in self] def items(self): 'od.items() -> list of (key, value) pairs in od' return [(key, self[key]) for key in self] def iterkeys(self): 'od.iterkeys() -> an iterator over the keys in od' return iter(self) def itervalues(self): 'od.itervalues -> an iterator over the values in od' for k in self: yield self[k] def iteritems(self): 'od.iteritems -> an iterator over the (key, value) items in od' for k in self: yield (k, self[k]) def update(*args, **kwds): '''od.update(E, **F) -> None. Update od from dict/iterable E and F. If E is a dict instance, does: for k in E: od[k] = E[k] If E has a .keys() method, does: for k in E.keys(): od[k] = E[k] Or if E is an iterable of items, does: for k, v in E: od[k] = v In either case, this is followed by: for k, v in F.items(): od[k] = v ''' if len(args) > 2: raise TypeError('update() takes at most 2 positional ' 'arguments (%d given)' % (len(args),)) elif not args: raise TypeError('update() takes at least 1 argument (0 given)') self = args[0] # Make progressively weaker assumptions about "other" other = () if len(args) == 2: other = args[1] if isinstance(other, dict): for key in other: self[key] = other[key] elif hasattr(other, 'keys'): for key in other.keys(): self[key] = other[key] else: for key, value in other: self[key] = value for key, value in kwds.items(): self[key] = value __update = update # let subclasses override update without breaking __init__ __marker = object() def pop(self, key, default=__marker): '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value. If key is not found, d is returned if given, otherwise KeyError is raised. ''' if key in self: result = self[key] del self[key] return result if default is self.__marker: raise KeyError(key) return default def setdefault(self, key, default=None): 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od' if key in self: return self[key] self[key] = default return default def __repr__(self, _repr_running=None): 'od.__repr__() <==> repr(od)' if not _repr_running: _repr_running = {} call_key = id(self), _get_ident() if call_key in _repr_running: return '...' _repr_running[call_key] = 1 try: if not self: return '%s()' % (self.__class__.__name__,) return '%s(%r)' % (self.__class__.__name__, self.items()) finally: del _repr_running[call_key] def __reduce__(self): 'Return state information for pickling' items = [[k, self[k]] for k in self] inst_dict = vars(self).copy() for k in vars(OrderedDict()): inst_dict.pop(k, None) if inst_dict: return (self.__class__, (items,), inst_dict) return self.__class__, (items,) def copy(self): 'od.copy() -> a shallow copy of od' return self.__class__(self) @classmethod def fromkeys(cls, iterable, value=None): '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S and values equal to v (which defaults to None). ''' d = cls() for key in iterable: d[key] = value return d def __eq__(self, other): '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive while comparison to a regular mapping is order-insensitive. ''' if isinstance(other, OrderedDict): return len(self)==len(other) and self.items() == other.items() return dict.__eq__(self, other) def __ne__(self, other): return not self == other # -- the following methods are only used in Python 2.7 -- def viewkeys(self): "od.viewkeys() -> a set-like object providing a view on od's keys" return KeysView(self) def viewvalues(self): "od.viewvalues() -> an object providing a view on od's values" return ValuesView(self) def viewitems(self): "od.viewitems() -> a set-like object providing a view on od's items" return ItemsView(self) try: from logging.config import BaseConfigurator, valid_ident except ImportError: # pragma: no cover IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I) def valid_ident(s): m = IDENTIFIER.match(s) if not m: raise ValueError('Not a valid Python identifier: %r' % s) return True # The ConvertingXXX classes are wrappers around standard Python containers, # and they serve to convert any suitable values in the container. The # conversion converts base dicts, lists and tuples to their wrapped # equivalents, whereas strings which match a conversion format are converted # appropriately. # # Each wrapper should have a configurator attribute holding the actual # configurator to use for conversion. class ConvertingDict(dict): """A converting dictionary wrapper.""" def __getitem__(self, key): value = dict.__getitem__(self, key) result = self.configurator.convert(value) #If the converted value is different, save for next time if value is not result: self[key] = result if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self result.key = key return result def get(self, key, default=None): value = dict.get(self, key, default) result = self.configurator.convert(value) #If the converted value is different, save for next time if value is not result: self[key] = result if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self result.key = key return result def pop(self, key, default=None): value = dict.pop(self, key, default) result = self.configurator.convert(value) if value is not result: if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self result.key = key return result class ConvertingList(list): """A converting list wrapper.""" def __getitem__(self, key): value = list.__getitem__(self, key) result = self.configurator.convert(value) #If the converted value is different, save for next time if value is not result: self[key] = result if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self result.key = key return result def pop(self, idx=-1): value = list.pop(self, idx) result = self.configurator.convert(value) if value is not result: if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self return result class ConvertingTuple(tuple): """A converting tuple wrapper.""" def __getitem__(self, key): value = tuple.__getitem__(self, key) result = self.configurator.convert(value) if value is not result: if type(result) in (ConvertingDict, ConvertingList, ConvertingTuple): result.parent = self result.key = key return result class BaseConfigurator(object): """ The configurator base class which defines some useful defaults. """ CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$') WORD_PATTERN = re.compile(r'^\s*(\w+)\s*') DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*') INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*') DIGIT_PATTERN = re.compile(r'^\d+$') value_converters = { 'ext' : 'ext_convert', 'cfg' : 'cfg_convert', } # We might want to use a different one, e.g. importlib importer = staticmethod(__import__) def __init__(self, config): self.config = ConvertingDict(config) self.config.configurator = self def resolve(self, s): """ Resolve strings to objects using standard import and attribute syntax. """ name = s.split('.') used = name.pop(0) try: found = self.importer(used) for frag in name: used += '.' + frag try: found = getattr(found, frag) except AttributeError: self.importer(used) found = getattr(found, frag) return found except ImportError: e, tb = sys.exc_info()[1:] v = ValueError('Cannot resolve %r: %s' % (s, e)) v.__cause__, v.__traceback__ = e, tb raise v def ext_convert(self, value): """Default converter for the ext:// protocol.""" return self.resolve(value) def cfg_convert(self, value): """Default converter for the cfg:// protocol.""" rest = value m = self.WORD_PATTERN.match(rest) if m is None: raise ValueError("Unable to convert %r" % value) else: rest = rest[m.end():] d = self.config[m.groups()[0]] #print d, rest while rest: m = self.DOT_PATTERN.match(rest) if m: d = d[m.groups()[0]] else: m = self.INDEX_PATTERN.match(rest) if m: idx = m.groups()[0] if not self.DIGIT_PATTERN.match(idx): d = d[idx] else: try: n = int(idx) # try as number first (most likely) d = d[n] except TypeError: d = d[idx] if m: rest = rest[m.end():] else: raise ValueError('Unable to convert ' '%r at %r' % (value, rest)) #rest should be empty return d def convert(self, value): """ Convert values to an appropriate type. dicts, lists and tuples are replaced by their converting alternatives. Strings are checked to see if they have a conversion format and are converted if they do. """ if not isinstance(value, ConvertingDict) and isinstance(value, dict): value = ConvertingDict(value) value.configurator = self elif not isinstance(value, ConvertingList) and isinstance(value, list): value = ConvertingList(value) value.configurator = self elif not isinstance(value, ConvertingTuple) and\ isinstance(value, tuple): value = ConvertingTuple(value) value.configurator = self elif isinstance(value, string_types): m = self.CONVERT_PATTERN.match(value) if m: d = m.groupdict() prefix = d['prefix'] converter = self.value_converters.get(prefix, None) if converter: suffix = d['suffix'] converter = getattr(self, converter) value = converter(suffix) return value def configure_custom(self, config): """Configure an object with a user-supplied factory.""" c = config.pop('()') if not callable(c): c = self.resolve(c) props = config.pop('.', None) # Check for valid identifiers kwargs = dict([(k, config[k]) for k in config if valid_ident(k)]) result = c(**kwargs) if props: for name, value in props.items(): setattr(result, name, value) return result def as_tuple(self, value): """Utility function which converts lists to tuples.""" if isinstance(value, list): value = tuple(value) return value _vendor/distlib/database.py 0000644 00000143563 15114542003 0011757 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2017 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """PEP 376 implementation.""" from __future__ import unicode_literals import base64 import codecs import contextlib import hashlib import logging import os import posixpath import sys import zipimport from . import DistlibException, resources from .compat import StringIO from .version import get_scheme, UnsupportedVersionError from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME) from .util import (parse_requirement, cached_property, parse_name_and_version, read_exports, write_exports, CSVReader, CSVWriter) __all__ = ['Distribution', 'BaseInstalledDistribution', 'InstalledDistribution', 'EggInfoDistribution', 'DistributionPath'] logger = logging.getLogger(__name__) EXPORTS_FILENAME = 'pydist-exports.json' COMMANDS_FILENAME = 'pydist-commands.json' DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED', 'RESOURCES', EXPORTS_FILENAME, 'SHARED') DISTINFO_EXT = '.dist-info' class _Cache(object): """ A simple cache mapping names and .dist-info paths to distributions """ def __init__(self): """ Initialise an instance. There is normally one for each DistributionPath. """ self.name = {} self.path = {} self.generated = False def clear(self): """ Clear the cache, setting it to its initial state. """ self.name.clear() self.path.clear() self.generated = False def add(self, dist): """ Add a distribution to the cache. :param dist: The distribution to add. """ if dist.path not in self.path: self.path[dist.path] = dist self.name.setdefault(dist.key, []).append(dist) class DistributionPath(object): """ Represents a set of distributions installed on a path (typically sys.path). """ def __init__(self, path=None, include_egg=False): """ Create an instance from a path, optionally including legacy (distutils/ setuptools/distribute) distributions. :param path: The path to use, as a list of directories. If not specified, sys.path is used. :param include_egg: If True, this instance will look for and return legacy distributions as well as those based on PEP 376. """ if path is None: path = sys.path self.path = path self._include_dist = True self._include_egg = include_egg self._cache = _Cache() self._cache_egg = _Cache() self._cache_enabled = True self._scheme = get_scheme('default') def _get_cache_enabled(self): return self._cache_enabled def _set_cache_enabled(self, value): self._cache_enabled = value cache_enabled = property(_get_cache_enabled, _set_cache_enabled) def clear_cache(self): """ Clears the internal cache. """ self._cache.clear() self._cache_egg.clear() def _yield_distributions(self): """ Yield .dist-info and/or .egg(-info) distributions. """ # We need to check if we've seen some resources already, because on # some Linux systems (e.g. some Debian/Ubuntu variants) there are # symlinks which alias other files in the environment. seen = set() for path in self.path: finder = resources.finder_for_path(path) if finder is None: continue r = finder.find('') if not r or not r.is_container: continue rset = sorted(r.resources) for entry in rset: r = finder.find(entry) if not r or r.path in seen: continue if self._include_dist and entry.endswith(DISTINFO_EXT): possible_filenames = [METADATA_FILENAME, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME] for metadata_filename in possible_filenames: metadata_path = posixpath.join(entry, metadata_filename) pydist = finder.find(metadata_path) if pydist: break else: continue with contextlib.closing(pydist.as_stream()) as stream: metadata = Metadata(fileobj=stream, scheme='legacy') logger.debug('Found %s', r.path) seen.add(r.path) yield new_dist_class(r.path, metadata=metadata, env=self) elif self._include_egg and entry.endswith(('.egg-info', '.egg')): logger.debug('Found %s', r.path) seen.add(r.path) yield old_dist_class(r.path, self) def _generate_cache(self): """ Scan the path for distributions and populate the cache with those that are found. """ gen_dist = not self._cache.generated gen_egg = self._include_egg and not self._cache_egg.generated if gen_dist or gen_egg: for dist in self._yield_distributions(): if isinstance(dist, InstalledDistribution): self._cache.add(dist) else: self._cache_egg.add(dist) if gen_dist: self._cache.generated = True if gen_egg: self._cache_egg.generated = True @classmethod def distinfo_dirname(cls, name, version): """ The *name* and *version* parameters are converted into their filename-escaped form, i.e. any ``'-'`` characters are replaced with ``'_'`` other than the one in ``'dist-info'`` and the one separating the name from the version number. :parameter name: is converted to a standard distribution name by replacing any runs of non- alphanumeric characters with a single ``'-'``. :type name: string :parameter version: is converted to a standard version string. Spaces become dots, and all other non-alphanumeric characters (except dots) become dashes, with runs of multiple dashes condensed to a single dash. :type version: string :returns: directory name :rtype: string""" name = name.replace('-', '_') return '-'.join([name, version]) + DISTINFO_EXT def get_distributions(self): """ Provides an iterator that looks for distributions and returns :class:`InstalledDistribution` or :class:`EggInfoDistribution` instances for each one of them. :rtype: iterator of :class:`InstalledDistribution` and :class:`EggInfoDistribution` instances """ if not self._cache_enabled: for dist in self._yield_distributions(): yield dist else: self._generate_cache() for dist in self._cache.path.values(): yield dist if self._include_egg: for dist in self._cache_egg.path.values(): yield dist def get_distribution(self, name): """ Looks for a named distribution on the path. This function only returns the first result found, as no more than one value is expected. If nothing is found, ``None`` is returned. :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` or ``None`` """ result = None name = name.lower() if not self._cache_enabled: for dist in self._yield_distributions(): if dist.key == name: result = dist break else: self._generate_cache() if name in self._cache.name: result = self._cache.name[name][0] elif self._include_egg and name in self._cache_egg.name: result = self._cache_egg.name[name][0] return result def provides_distribution(self, name, version=None): """ Iterates over all distributions to find which distributions provide *name*. If a *version* is provided, it will be used to filter the results. This function only returns the first result found, since no more than one values are expected. If the directory is not found, returns ``None``. :parameter version: a version specifier that indicates the version required, conforming to the format in ``PEP-345`` :type name: string :type version: string """ matcher = None if version is not None: try: matcher = self._scheme.matcher('%s (%s)' % (name, version)) except ValueError: raise DistlibException('invalid name or version: %r, %r' % (name, version)) for dist in self.get_distributions(): # We hit a problem on Travis where enum34 was installed and doesn't # have a provides attribute ... if not hasattr(dist, 'provides'): logger.debug('No "provides": %s', dist) else: provided = dist.provides for p in provided: p_name, p_ver = parse_name_and_version(p) if matcher is None: if p_name == name: yield dist break else: if p_name == name and matcher.match(p_ver): yield dist break def get_file_path(self, name, relative_path): """ Return the path to a resource file. """ dist = self.get_distribution(name) if dist is None: raise LookupError('no distribution named %r found' % name) return dist.get_resource_path(relative_path) def get_exported_entries(self, category, name=None): """ Return all of the exported entries in a particular category. :param category: The category to search for entries. :param name: If specified, only entries with that name are returned. """ for dist in self.get_distributions(): r = dist.exports if category in r: d = r[category] if name is not None: if name in d: yield d[name] else: for v in d.values(): yield v class Distribution(object): """ A base class for distributions, whether installed or from indexes. Either way, it must have some metadata, so that's all that's needed for construction. """ build_time_dependency = False """ Set to True if it's known to be only a build-time dependency (i.e. not needed after installation). """ requested = False """A boolean that indicates whether the ``REQUESTED`` metadata file is present (in other words, whether the package was installed by user request or it was installed as a dependency).""" def __init__(self, metadata): """ Initialise an instance. :param metadata: The instance of :class:`Metadata` describing this distribution. """ self.metadata = metadata self.name = metadata.name self.key = self.name.lower() # for case-insensitive comparisons self.version = metadata.version self.locator = None self.digest = None self.extras = None # additional features requested self.context = None # environment marker overrides self.download_urls = set() self.digests = {} @property def source_url(self): """ The source archive download URL for this distribution. """ return self.metadata.source_url download_url = source_url # Backward compatibility @property def name_and_version(self): """ A utility property which displays the name and version in parentheses. """ return '%s (%s)' % (self.name, self.version) @property def provides(self): """ A set of distribution names and versions provided by this distribution. :return: A set of "name (version)" strings. """ plist = self.metadata.provides s = '%s (%s)' % (self.name, self.version) if s not in plist: plist.append(s) return plist def _get_requirements(self, req_attr): md = self.metadata logger.debug('Getting requirements from metadata %r', md.todict()) reqts = getattr(md, req_attr) return set(md.get_requirements(reqts, extras=self.extras, env=self.context)) @property def run_requires(self): return self._get_requirements('run_requires') @property def meta_requires(self): return self._get_requirements('meta_requires') @property def build_requires(self): return self._get_requirements('build_requires') @property def test_requires(self): return self._get_requirements('test_requires') @property def dev_requires(self): return self._get_requirements('dev_requires') def matches_requirement(self, req): """ Say if this instance matches (fulfills) a requirement. :param req: The requirement to match. :rtype req: str :return: True if it matches, else False. """ # Requirement may contain extras - parse to lose those # from what's passed to the matcher r = parse_requirement(req) scheme = get_scheme(self.metadata.scheme) try: matcher = scheme.matcher(r.requirement) except UnsupportedVersionError: # XXX compat-mode if cannot read the version logger.warning('could not read version %r - using name only', req) name = req.split()[0] matcher = scheme.matcher(name) name = matcher.key # case-insensitive result = False for p in self.provides: p_name, p_ver = parse_name_and_version(p) if p_name != name: continue try: result = matcher.match(p_ver) break except UnsupportedVersionError: pass return result def __repr__(self): """ Return a textual representation of this instance, """ if self.source_url: suffix = ' [%s]' % self.source_url else: suffix = '' return '<Distribution %s (%s)%s>' % (self.name, self.version, suffix) def __eq__(self, other): """ See if this distribution is the same as another. :param other: The distribution to compare with. To be equal to one another. distributions must have the same type, name, version and source_url. :return: True if it is the same, else False. """ if type(other) is not type(self): result = False else: result = (self.name == other.name and self.version == other.version and self.source_url == other.source_url) return result def __hash__(self): """ Compute hash in a way which matches the equality test. """ return hash(self.name) + hash(self.version) + hash(self.source_url) class BaseInstalledDistribution(Distribution): """ This is the base class for installed distributions (whether PEP 376 or legacy). """ hasher = None def __init__(self, metadata, path, env=None): """ Initialise an instance. :param metadata: An instance of :class:`Metadata` which describes the distribution. This will normally have been initialised from a metadata file in the ``path``. :param path: The path of the ``.dist-info`` or ``.egg-info`` directory for the distribution. :param env: This is normally the :class:`DistributionPath` instance where this distribution was found. """ super(BaseInstalledDistribution, self).__init__(metadata) self.path = path self.dist_path = env def get_hash(self, data, hasher=None): """ Get the hash of some data, using a particular hash algorithm, if specified. :param data: The data to be hashed. :type data: bytes :param hasher: The name of a hash implementation, supported by hashlib, or ``None``. Examples of valid values are ``'sha1'``, ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and ``'sha512'``. If no hasher is specified, the ``hasher`` attribute of the :class:`InstalledDistribution` instance is used. If the hasher is determined to be ``None``, MD5 is used as the hashing algorithm. :returns: The hash of the data. If a hasher was explicitly specified, the returned hash will be prefixed with the specified hasher followed by '='. :rtype: str """ if hasher is None: hasher = self.hasher if hasher is None: hasher = hashlib.md5 prefix = '' else: hasher = getattr(hashlib, hasher) prefix = '%s=' % self.hasher digest = hasher(data).digest() digest = base64.urlsafe_b64encode(digest).rstrip(b'=').decode('ascii') return '%s%s' % (prefix, digest) class InstalledDistribution(BaseInstalledDistribution): """ Created with the *path* of the ``.dist-info`` directory provided to the constructor. It reads the metadata contained in ``pydist.json`` when it is instantiated., or uses a passed in Metadata instance (useful for when dry-run mode is being used). """ hasher = 'sha256' def __init__(self, path, metadata=None, env=None): self.modules = [] self.finder = finder = resources.finder_for_path(path) if finder is None: raise ValueError('finder unavailable for %s' % path) if env and env._cache_enabled and path in env._cache.path: metadata = env._cache.path[path].metadata elif metadata is None: r = finder.find(METADATA_FILENAME) # Temporary - for Wheel 0.23 support if r is None: r = finder.find(WHEEL_METADATA_FILENAME) # Temporary - for legacy support if r is None: r = finder.find(LEGACY_METADATA_FILENAME) if r is None: raise ValueError('no %s found in %s' % (METADATA_FILENAME, path)) with contextlib.closing(r.as_stream()) as stream: metadata = Metadata(fileobj=stream, scheme='legacy') super(InstalledDistribution, self).__init__(metadata, path, env) if env and env._cache_enabled: env._cache.add(self) r = finder.find('REQUESTED') self.requested = r is not None p = os.path.join(path, 'top_level.txt') if os.path.exists(p): with open(p, 'rb') as f: data = f.read().decode('utf-8') self.modules = data.splitlines() def __repr__(self): return '<InstalledDistribution %r %s at %r>' % ( self.name, self.version, self.path) def __str__(self): return "%s %s" % (self.name, self.version) def _get_records(self): """ Get the list of installed files for the distribution :return: A list of tuples of path, hash and size. Note that hash and size might be ``None`` for some entries. The path is exactly as stored in the file (which is as in PEP 376). """ results = [] r = self.get_distinfo_resource('RECORD') with contextlib.closing(r.as_stream()) as stream: with CSVReader(stream=stream) as record_reader: # Base location is parent dir of .dist-info dir #base_location = os.path.dirname(self.path) #base_location = os.path.abspath(base_location) for row in record_reader: missing = [None for i in range(len(row), 3)] path, checksum, size = row + missing #if not os.path.isabs(path): # path = path.replace('/', os.sep) # path = os.path.join(base_location, path) results.append((path, checksum, size)) return results @cached_property def exports(self): """ Return the information exported by this distribution. :return: A dictionary of exports, mapping an export category to a dict of :class:`ExportEntry` instances describing the individual export entries, and keyed by name. """ result = {} r = self.get_distinfo_resource(EXPORTS_FILENAME) if r: result = self.read_exports() return result def read_exports(self): """ Read exports data from a file in .ini format. :return: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. """ result = {} r = self.get_distinfo_resource(EXPORTS_FILENAME) if r: with contextlib.closing(r.as_stream()) as stream: result = read_exports(stream) return result def write_exports(self, exports): """ Write a dictionary of exports to a file in .ini format. :param exports: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. """ rf = self.get_distinfo_file(EXPORTS_FILENAME) with open(rf, 'w') as f: write_exports(exports, f) def get_resource_path(self, relative_path): """ NOTE: This API may change in the future. Return the absolute path to a resource file with the given relative path. :param relative_path: The path, relative to .dist-info, of the resource of interest. :return: The absolute path where the resource is to be found. """ r = self.get_distinfo_resource('RESOURCES') with contextlib.closing(r.as_stream()) as stream: with CSVReader(stream=stream) as resources_reader: for relative, destination in resources_reader: if relative == relative_path: return destination raise KeyError('no resource file with relative path %r ' 'is installed' % relative_path) def list_installed_files(self): """ Iterates over the ``RECORD`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: iterator of (path, hash, size) """ for result in self._get_records(): yield result def write_installed_files(self, paths, prefix, dry_run=False): """ Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any existing ``RECORD`` file is silently overwritten. prefix is used to determine when to write absolute paths. """ prefix = os.path.join(prefix, '') base = os.path.dirname(self.path) base_under_prefix = base.startswith(prefix) base = os.path.join(base, '') record_path = self.get_distinfo_file('RECORD') logger.info('creating %s', record_path) if dry_run: return None with CSVWriter(record_path) as writer: for path in paths: if os.path.isdir(path) or path.endswith(('.pyc', '.pyo')): # do not put size and hash, as in PEP-376 hash_value = size = '' else: size = '%d' % os.path.getsize(path) with open(path, 'rb') as fp: hash_value = self.get_hash(fp.read()) if path.startswith(base) or (base_under_prefix and path.startswith(prefix)): path = os.path.relpath(path, base) writer.writerow((path, hash_value, size)) # add the RECORD file itself if record_path.startswith(base): record_path = os.path.relpath(record_path, base) writer.writerow((record_path, '', '')) return record_path def check_installed_files(self): """ Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. """ mismatches = [] base = os.path.dirname(self.path) record_path = self.get_distinfo_file('RECORD') for path, hash_value, size in self.list_installed_files(): if not os.path.isabs(path): path = os.path.join(base, path) if path == record_path: continue if not os.path.exists(path): mismatches.append((path, 'exists', True, False)) elif os.path.isfile(path): actual_size = str(os.path.getsize(path)) if size and actual_size != size: mismatches.append((path, 'size', size, actual_size)) elif hash_value: if '=' in hash_value: hasher = hash_value.split('=', 1)[0] else: hasher = None with open(path, 'rb') as f: actual_hash = self.get_hash(f.read(), hasher) if actual_hash != hash_value: mismatches.append((path, 'hash', hash_value, actual_hash)) return mismatches @cached_property def shared_locations(self): """ A dictionary of shared locations whose keys are in the set 'prefix', 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. The corresponding value is the absolute path of that category for this distribution, and takes into account any paths selected by the user at installation time (e.g. via command-line arguments). In the case of the 'namespace' key, this would be a list of absolute paths for the roots of namespace packages in this distribution. The first time this property is accessed, the relevant information is read from the SHARED file in the .dist-info directory. """ result = {} shared_path = os.path.join(self.path, 'SHARED') if os.path.isfile(shared_path): with codecs.open(shared_path, 'r', encoding='utf-8') as f: lines = f.read().splitlines() for line in lines: key, value = line.split('=', 1) if key == 'namespace': result.setdefault(key, []).append(value) else: result[key] = value return result def write_shared_locations(self, paths, dry_run=False): """ Write shared location information to the SHARED file in .dist-info. :param paths: A dictionary as described in the documentation for :meth:`shared_locations`. :param dry_run: If True, the action is logged but no file is actually written. :return: The path of the file written to. """ shared_path = os.path.join(self.path, 'SHARED') logger.info('creating %s', shared_path) if dry_run: return None lines = [] for key in ('prefix', 'lib', 'headers', 'scripts', 'data'): path = paths[key] if os.path.isdir(paths[key]): lines.append('%s=%s' % (key, path)) for ns in paths.get('namespace', ()): lines.append('namespace=%s' % ns) with codecs.open(shared_path, 'w', encoding='utf-8') as f: f.write('\n'.join(lines)) return shared_path def get_distinfo_resource(self, path): if path not in DIST_FILES: raise DistlibException('invalid path for a dist-info file: ' '%r at %r' % (path, self.path)) finder = resources.finder_for_path(self.path) if finder is None: raise DistlibException('Unable to get a finder for %s' % self.path) return finder.find(path) def get_distinfo_file(self, path): """ Returns a path located under the ``.dist-info`` directory. Returns a string representing the path. :parameter path: a ``'/'``-separated path relative to the ``.dist-info`` directory or an absolute path; If *path* is an absolute path and doesn't start with the ``.dist-info`` directory path, a :class:`DistlibException` is raised :type path: str :rtype: str """ # Check if it is an absolute path # XXX use relpath, add tests if path.find(os.sep) >= 0: # it's an absolute path? distinfo_dirname, path = path.split(os.sep)[-2:] if distinfo_dirname != self.path.split(os.sep)[-1]: raise DistlibException( 'dist-info file %r does not belong to the %r %s ' 'distribution' % (path, self.name, self.version)) # The file must be relative if path not in DIST_FILES: raise DistlibException('invalid path for a dist-info file: ' '%r at %r' % (path, self.path)) return os.path.join(self.path, path) def list_distinfo_files(self): """ Iterates over the ``RECORD`` entries and returns paths for each line if the path is pointing to a file located in the ``.dist-info`` directory or one of its subdirectories. :returns: iterator of paths """ base = os.path.dirname(self.path) for path, checksum, size in self._get_records(): # XXX add separator or use real relpath algo if not os.path.isabs(path): path = os.path.join(base, path) if path.startswith(self.path): yield path def __eq__(self, other): return (isinstance(other, InstalledDistribution) and self.path == other.path) # See http://docs.python.org/reference/datamodel#object.__hash__ __hash__ = object.__hash__ class EggInfoDistribution(BaseInstalledDistribution): """Created with the *path* of the ``.egg-info`` directory or file provided to the constructor. It reads the metadata contained in the file itself, or if the given path happens to be a directory, the metadata is read from the file ``PKG-INFO`` under that directory.""" requested = True # as we have no way of knowing, assume it was shared_locations = {} def __init__(self, path, env=None): def set_name_and_version(s, n, v): s.name = n s.key = n.lower() # for case-insensitive comparisons s.version = v self.path = path self.dist_path = env if env and env._cache_enabled and path in env._cache_egg.path: metadata = env._cache_egg.path[path].metadata set_name_and_version(self, metadata.name, metadata.version) else: metadata = self._get_metadata(path) # Need to be set before caching set_name_and_version(self, metadata.name, metadata.version) if env and env._cache_enabled: env._cache_egg.add(self) super(EggInfoDistribution, self).__init__(metadata, path, env) def _get_metadata(self, path): requires = None def parse_requires_data(data): """Create a list of dependencies from a requires.txt file. *data*: the contents of a setuptools-produced requires.txt file. """ reqs = [] lines = data.splitlines() for line in lines: line = line.strip() if line.startswith('['): logger.warning('Unexpected line: quitting requirement scan: %r', line) break r = parse_requirement(line) if not r: logger.warning('Not recognised as a requirement: %r', line) continue if r.extras: logger.warning('extra requirements in requires.txt are ' 'not supported') if not r.constraints: reqs.append(r.name) else: cons = ', '.join('%s%s' % c for c in r.constraints) reqs.append('%s (%s)' % (r.name, cons)) return reqs def parse_requires_path(req_path): """Create a list of dependencies from a requires.txt file. *req_path*: the path to a setuptools-produced requires.txt file. """ reqs = [] try: with codecs.open(req_path, 'r', 'utf-8') as fp: reqs = parse_requires_data(fp.read()) except IOError: pass return reqs tl_path = tl_data = None if path.endswith('.egg'): if os.path.isdir(path): p = os.path.join(path, 'EGG-INFO') meta_path = os.path.join(p, 'PKG-INFO') metadata = Metadata(path=meta_path, scheme='legacy') req_path = os.path.join(p, 'requires.txt') tl_path = os.path.join(p, 'top_level.txt') requires = parse_requires_path(req_path) else: # FIXME handle the case where zipfile is not available zipf = zipimport.zipimporter(path) fileobj = StringIO( zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8')) metadata = Metadata(fileobj=fileobj, scheme='legacy') try: data = zipf.get_data('EGG-INFO/requires.txt') tl_data = zipf.get_data('EGG-INFO/top_level.txt').decode('utf-8') requires = parse_requires_data(data.decode('utf-8')) except IOError: requires = None elif path.endswith('.egg-info'): if os.path.isdir(path): req_path = os.path.join(path, 'requires.txt') requires = parse_requires_path(req_path) path = os.path.join(path, 'PKG-INFO') tl_path = os.path.join(path, 'top_level.txt') metadata = Metadata(path=path, scheme='legacy') else: raise DistlibException('path must end with .egg-info or .egg, ' 'got %r' % path) if requires: metadata.add_requirements(requires) # look for top-level modules in top_level.txt, if present if tl_data is None: if tl_path is not None and os.path.exists(tl_path): with open(tl_path, 'rb') as f: tl_data = f.read().decode('utf-8') if not tl_data: tl_data = [] else: tl_data = tl_data.splitlines() self.modules = tl_data return metadata def __repr__(self): return '<EggInfoDistribution %r %s at %r>' % ( self.name, self.version, self.path) def __str__(self): return "%s %s" % (self.name, self.version) def check_installed_files(self): """ Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. """ mismatches = [] record_path = os.path.join(self.path, 'installed-files.txt') if os.path.exists(record_path): for path, _, _ in self.list_installed_files(): if path == record_path: continue if not os.path.exists(path): mismatches.append((path, 'exists', True, False)) return mismatches def list_installed_files(self): """ Iterates over the ``installed-files.txt`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: a list of (path, hash, size) """ def _md5(path): f = open(path, 'rb') try: content = f.read() finally: f.close() return hashlib.md5(content).hexdigest() def _size(path): return os.stat(path).st_size record_path = os.path.join(self.path, 'installed-files.txt') result = [] if os.path.exists(record_path): with codecs.open(record_path, 'r', encoding='utf-8') as f: for line in f: line = line.strip() p = os.path.normpath(os.path.join(self.path, line)) # "./" is present as a marker between installed files # and installation metadata files if not os.path.exists(p): logger.warning('Non-existent file: %s', p) if p.endswith(('.pyc', '.pyo')): continue #otherwise fall through and fail if not os.path.isdir(p): result.append((p, _md5(p), _size(p))) result.append((record_path, None, None)) return result def list_distinfo_files(self, absolute=False): """ Iterates over the ``installed-files.txt`` entries and returns paths for each line if the path is pointing to a file located in the ``.egg-info`` directory or one of its subdirectories. :parameter absolute: If *absolute* is ``True``, each returned path is transformed into a local absolute path. Otherwise the raw value from ``installed-files.txt`` is returned. :type absolute: boolean :returns: iterator of paths """ record_path = os.path.join(self.path, 'installed-files.txt') if os.path.exists(record_path): skip = True with codecs.open(record_path, 'r', encoding='utf-8') as f: for line in f: line = line.strip() if line == './': skip = False continue if not skip: p = os.path.normpath(os.path.join(self.path, line)) if p.startswith(self.path): if absolute: yield p else: yield line def __eq__(self, other): return (isinstance(other, EggInfoDistribution) and self.path == other.path) # See http://docs.python.org/reference/datamodel#object.__hash__ __hash__ = object.__hash__ new_dist_class = InstalledDistribution old_dist_class = EggInfoDistribution class DependencyGraph(object): """ Represents a dependency graph between distributions. The dependency relationships are stored in an ``adjacency_list`` that maps distributions to a list of ``(other, label)`` tuples where ``other`` is a distribution and the edge is labeled with ``label`` (i.e. the version specifier, if such was provided). Also, for more efficient traversal, for every distribution ``x``, a list of predecessors is kept in ``reverse_list[x]``. An edge from distribution ``a`` to distribution ``b`` means that ``a`` depends on ``b``. If any missing dependencies are found, they are stored in ``missing``, which is a dictionary that maps distributions to a list of requirements that were not provided by any other distributions. """ def __init__(self): self.adjacency_list = {} self.reverse_list = {} self.missing = {} def add_distribution(self, distribution): """Add the *distribution* to the graph. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` """ self.adjacency_list[distribution] = [] self.reverse_list[distribution] = [] #self.missing[distribution] = [] def add_edge(self, x, y, label=None): """Add an edge from distribution *x* to distribution *y* with the given *label*. :type x: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type y: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type label: ``str`` or ``None`` """ self.adjacency_list[x].append((y, label)) # multiple edges are allowed, so be careful if x not in self.reverse_list[y]: self.reverse_list[y].append(x) def add_missing(self, distribution, requirement): """ Add a missing *requirement* for the given *distribution*. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type requirement: ``str`` """ logger.debug('%s missing %r', distribution, requirement) self.missing.setdefault(distribution, []).append(requirement) def _repr_dist(self, dist): return '%s %s' % (dist.name, dist.version) def repr_node(self, dist, level=1): """Prints only a subgraph""" output = [self._repr_dist(dist)] for other, label in self.adjacency_list[dist]: dist = self._repr_dist(other) if label is not None: dist = '%s [%s]' % (dist, label) output.append(' ' * level + str(dist)) suboutput = self.repr_node(other, level + 1) subs = suboutput.split('\n') output.extend(subs[1:]) return '\n'.join(output) def to_dot(self, f, skip_disconnected=True): """Writes a DOT output for the graph to the provided file *f*. If *skip_disconnected* is set to ``True``, then all distributions that are not dependent on any other distribution are skipped. :type f: has to support ``file``-like operations :type skip_disconnected: ``bool`` """ disconnected = [] f.write("digraph dependencies {\n") for dist, adjs in self.adjacency_list.items(): if len(adjs) == 0 and not skip_disconnected: disconnected.append(dist) for other, label in adjs: if not label is None: f.write('"%s" -> "%s" [label="%s"]\n' % (dist.name, other.name, label)) else: f.write('"%s" -> "%s"\n' % (dist.name, other.name)) if not skip_disconnected and len(disconnected) > 0: f.write('subgraph disconnected {\n') f.write('label = "Disconnected"\n') f.write('bgcolor = red\n') for dist in disconnected: f.write('"%s"' % dist.name) f.write('\n') f.write('}\n') f.write('}\n') def topological_sort(self): """ Perform a topological sort of the graph. :return: A tuple, the first element of which is a topologically sorted list of distributions, and the second element of which is a list of distributions that cannot be sorted because they have circular dependencies and so form a cycle. """ result = [] # Make a shallow copy of the adjacency list alist = {} for k, v in self.adjacency_list.items(): alist[k] = v[:] while True: # See what we can remove in this run to_remove = [] for k, v in list(alist.items())[:]: if not v: to_remove.append(k) del alist[k] if not to_remove: # What's left in alist (if anything) is a cycle. break # Remove from the adjacency list of others for k, v in alist.items(): alist[k] = [(d, r) for d, r in v if d not in to_remove] logger.debug('Moving to result: %s', ['%s (%s)' % (d.name, d.version) for d in to_remove]) result.extend(to_remove) return result, list(alist.keys()) def __repr__(self): """Representation of the graph""" output = [] for dist, adjs in self.adjacency_list.items(): output.append(self.repr_node(dist)) return '\n'.join(output) def make_graph(dists, scheme='default'): """Makes a dependency graph from the given distributions. :parameter dists: a list of distributions :type dists: list of :class:`distutils2.database.InstalledDistribution` and :class:`distutils2.database.EggInfoDistribution` instances :rtype: a :class:`DependencyGraph` instance """ scheme = get_scheme(scheme) graph = DependencyGraph() provided = {} # maps names to lists of (version, dist) tuples # first, build the graph and find out what's provided for dist in dists: graph.add_distribution(dist) for p in dist.provides: name, version = parse_name_and_version(p) logger.debug('Add to provided: %s, %s, %s', name, version, dist) provided.setdefault(name, []).append((version, dist)) # now make the edges for dist in dists: requires = (dist.run_requires | dist.meta_requires | dist.build_requires | dist.dev_requires) for req in requires: try: matcher = scheme.matcher(req) except UnsupportedVersionError: # XXX compat-mode if cannot read the version logger.warning('could not read version %r - using name only', req) name = req.split()[0] matcher = scheme.matcher(name) name = matcher.key # case-insensitive matched = False if name in provided: for version, provider in provided[name]: try: match = matcher.match(version) except UnsupportedVersionError: match = False if match: graph.add_edge(dist, provider, req) matched = True break if not matched: graph.add_missing(dist, req) return graph def get_dependent_dists(dists, dist): """Recursively generate a list of distributions from *dists* that are dependent on *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested """ if dist not in dists: raise DistlibException('given distribution %r is not a member ' 'of the list' % dist.name) graph = make_graph(dists) dep = [dist] # dependent distributions todo = graph.reverse_list[dist] # list of nodes we should inspect while todo: d = todo.pop() dep.append(d) for succ in graph.reverse_list[d]: if succ not in dep: todo.append(succ) dep.pop(0) # remove dist from dep, was there to prevent infinite loops return dep def get_required_dists(dists, dist): """Recursively generate a list of distributions from *dists* that are required by *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested """ if dist not in dists: raise DistlibException('given distribution %r is not a member ' 'of the list' % dist.name) graph = make_graph(dists) req = [] # required distributions todo = graph.adjacency_list[dist] # list of nodes we should inspect while todo: d = todo.pop()[0] req.append(d) for pred in graph.adjacency_list[d]: if pred not in req: todo.append(pred) return req def make_dist(name, version, **kwargs): """ A convenience method for making a dist given just a name and version. """ summary = kwargs.pop('summary', 'Placeholder for summary') md = Metadata(**kwargs) md.name = name md.version = version md.summary = summary or 'Placeholder for summary' return Distribution(md) _vendor/distlib/index.py 0000644 00000050403 15114542003 0011310 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2013 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # import hashlib import logging import os import shutil import subprocess import tempfile try: from threading import Thread except ImportError: from dummy_threading import Thread from . import DistlibException from .compat import (HTTPBasicAuthHandler, Request, HTTPPasswordMgr, urlparse, build_opener, string_types) from .util import zip_dir, ServerProxy logger = logging.getLogger(__name__) DEFAULT_INDEX = 'https://pypi.org/pypi' DEFAULT_REALM = 'pypi' class PackageIndex(object): """ This class represents a package index compatible with PyPI, the Python Package Index. """ boundary = b'----------ThIs_Is_tHe_distlib_index_bouNdaRY_$' def __init__(self, url=None): """ Initialise an instance. :param url: The URL of the index. If not specified, the URL for PyPI is used. """ self.url = url or DEFAULT_INDEX self.read_configuration() scheme, netloc, path, params, query, frag = urlparse(self.url) if params or query or frag or scheme not in ('http', 'https'): raise DistlibException('invalid repository: %s' % self.url) self.password_handler = None self.ssl_verifier = None self.gpg = None self.gpg_home = None with open(os.devnull, 'w') as sink: # Use gpg by default rather than gpg2, as gpg2 insists on # prompting for passwords for s in ('gpg', 'gpg2'): try: rc = subprocess.check_call([s, '--version'], stdout=sink, stderr=sink) if rc == 0: self.gpg = s break except OSError: pass def _get_pypirc_command(self): """ Get the distutils command for interacting with PyPI configurations. :return: the command. """ from .util import _get_pypirc_command as cmd return cmd() def read_configuration(self): """ Read the PyPI access configuration as supported by distutils. This populates ``username``, ``password``, ``realm`` and ``url`` attributes from the configuration. """ from .util import _load_pypirc cfg = _load_pypirc(self) self.username = cfg.get('username') self.password = cfg.get('password') self.realm = cfg.get('realm', 'pypi') self.url = cfg.get('repository', self.url) def save_configuration(self): """ Save the PyPI access configuration. You must have set ``username`` and ``password`` attributes before calling this method. """ self.check_credentials() from .util import _store_pypirc _store_pypirc(self) def check_credentials(self): """ Check that ``username`` and ``password`` have been set, and raise an exception if not. """ if self.username is None or self.password is None: raise DistlibException('username and password must be set') pm = HTTPPasswordMgr() _, netloc, _, _, _, _ = urlparse(self.url) pm.add_password(self.realm, netloc, self.username, self.password) self.password_handler = HTTPBasicAuthHandler(pm) def register(self, metadata): """ Register a distribution on PyPI, using the provided metadata. :param metadata: A :class:`Metadata` instance defining at least a name and version number for the distribution to be registered. :return: The HTTP response received from PyPI upon submission of the request. """ self.check_credentials() metadata.validate() d = metadata.todict() d[':action'] = 'verify' request = self.encode_request(d.items(), []) response = self.send_request(request) d[':action'] = 'submit' request = self.encode_request(d.items(), []) return self.send_request(request) def _reader(self, name, stream, outbuf): """ Thread runner for reading lines of from a subprocess into a buffer. :param name: The logical name of the stream (used for logging only). :param stream: The stream to read from. This will typically a pipe connected to the output stream of a subprocess. :param outbuf: The list to append the read lines to. """ while True: s = stream.readline() if not s: break s = s.decode('utf-8').rstrip() outbuf.append(s) logger.debug('%s: %s' % (name, s)) stream.close() def get_sign_command(self, filename, signer, sign_password, keystore=None): """ Return a suitable command for signing a file. :param filename: The pathname to the file to be signed. :param signer: The identifier of the signer of the file. :param sign_password: The passphrase for the signer's private key used for signing. :param keystore: The path to a directory which contains the keys used in verification. If not specified, the instance's ``gpg_home`` attribute is used instead. :return: The signing command as a list suitable to be passed to :class:`subprocess.Popen`. """ cmd = [self.gpg, '--status-fd', '2', '--no-tty'] if keystore is None: keystore = self.gpg_home if keystore: cmd.extend(['--homedir', keystore]) if sign_password is not None: cmd.extend(['--batch', '--passphrase-fd', '0']) td = tempfile.mkdtemp() sf = os.path.join(td, os.path.basename(filename) + '.asc') cmd.extend(['--detach-sign', '--armor', '--local-user', signer, '--output', sf, filename]) logger.debug('invoking: %s', ' '.join(cmd)) return cmd, sf def run_command(self, cmd, input_data=None): """ Run a command in a child process , passing it any input data specified. :param cmd: The command to run. :param input_data: If specified, this must be a byte string containing data to be sent to the child process. :return: A tuple consisting of the subprocess' exit code, a list of lines read from the subprocess' ``stdout``, and a list of lines read from the subprocess' ``stderr``. """ kwargs = { 'stdout': subprocess.PIPE, 'stderr': subprocess.PIPE, } if input_data is not None: kwargs['stdin'] = subprocess.PIPE stdout = [] stderr = [] p = subprocess.Popen(cmd, **kwargs) # We don't use communicate() here because we may need to # get clever with interacting with the command t1 = Thread(target=self._reader, args=('stdout', p.stdout, stdout)) t1.start() t2 = Thread(target=self._reader, args=('stderr', p.stderr, stderr)) t2.start() if input_data is not None: p.stdin.write(input_data) p.stdin.close() p.wait() t1.join() t2.join() return p.returncode, stdout, stderr def sign_file(self, filename, signer, sign_password, keystore=None): """ Sign a file. :param filename: The pathname to the file to be signed. :param signer: The identifier of the signer of the file. :param sign_password: The passphrase for the signer's private key used for signing. :param keystore: The path to a directory which contains the keys used in signing. If not specified, the instance's ``gpg_home`` attribute is used instead. :return: The absolute pathname of the file where the signature is stored. """ cmd, sig_file = self.get_sign_command(filename, signer, sign_password, keystore) rc, stdout, stderr = self.run_command(cmd, sign_password.encode('utf-8')) if rc != 0: raise DistlibException('sign command failed with error ' 'code %s' % rc) return sig_file def upload_file(self, metadata, filename, signer=None, sign_password=None, filetype='sdist', pyversion='source', keystore=None): """ Upload a release file to the index. :param metadata: A :class:`Metadata` instance defining at least a name and version number for the file to be uploaded. :param filename: The pathname of the file to be uploaded. :param signer: The identifier of the signer of the file. :param sign_password: The passphrase for the signer's private key used for signing. :param filetype: The type of the file being uploaded. This is the distutils command which produced that file, e.g. ``sdist`` or ``bdist_wheel``. :param pyversion: The version of Python which the release relates to. For code compatible with any Python, this would be ``source``, otherwise it would be e.g. ``3.2``. :param keystore: The path to a directory which contains the keys used in signing. If not specified, the instance's ``gpg_home`` attribute is used instead. :return: The HTTP response received from PyPI upon submission of the request. """ self.check_credentials() if not os.path.exists(filename): raise DistlibException('not found: %s' % filename) metadata.validate() d = metadata.todict() sig_file = None if signer: if not self.gpg: logger.warning('no signing program available - not signed') else: sig_file = self.sign_file(filename, signer, sign_password, keystore) with open(filename, 'rb') as f: file_data = f.read() md5_digest = hashlib.md5(file_data).hexdigest() sha256_digest = hashlib.sha256(file_data).hexdigest() d.update({ ':action': 'file_upload', 'protocol_version': '1', 'filetype': filetype, 'pyversion': pyversion, 'md5_digest': md5_digest, 'sha256_digest': sha256_digest, }) files = [('content', os.path.basename(filename), file_data)] if sig_file: with open(sig_file, 'rb') as f: sig_data = f.read() files.append(('gpg_signature', os.path.basename(sig_file), sig_data)) shutil.rmtree(os.path.dirname(sig_file)) request = self.encode_request(d.items(), files) return self.send_request(request) def upload_documentation(self, metadata, doc_dir): """ Upload documentation to the index. :param metadata: A :class:`Metadata` instance defining at least a name and version number for the documentation to be uploaded. :param doc_dir: The pathname of the directory which contains the documentation. This should be the directory that contains the ``index.html`` for the documentation. :return: The HTTP response received from PyPI upon submission of the request. """ self.check_credentials() if not os.path.isdir(doc_dir): raise DistlibException('not a directory: %r' % doc_dir) fn = os.path.join(doc_dir, 'index.html') if not os.path.exists(fn): raise DistlibException('not found: %r' % fn) metadata.validate() name, version = metadata.name, metadata.version zip_data = zip_dir(doc_dir).getvalue() fields = [(':action', 'doc_upload'), ('name', name), ('version', version)] files = [('content', name, zip_data)] request = self.encode_request(fields, files) return self.send_request(request) def get_verify_command(self, signature_filename, data_filename, keystore=None): """ Return a suitable command for verifying a file. :param signature_filename: The pathname to the file containing the signature. :param data_filename: The pathname to the file containing the signed data. :param keystore: The path to a directory which contains the keys used in verification. If not specified, the instance's ``gpg_home`` attribute is used instead. :return: The verifying command as a list suitable to be passed to :class:`subprocess.Popen`. """ cmd = [self.gpg, '--status-fd', '2', '--no-tty'] if keystore is None: keystore = self.gpg_home if keystore: cmd.extend(['--homedir', keystore]) cmd.extend(['--verify', signature_filename, data_filename]) logger.debug('invoking: %s', ' '.join(cmd)) return cmd def verify_signature(self, signature_filename, data_filename, keystore=None): """ Verify a signature for a file. :param signature_filename: The pathname to the file containing the signature. :param data_filename: The pathname to the file containing the signed data. :param keystore: The path to a directory which contains the keys used in verification. If not specified, the instance's ``gpg_home`` attribute is used instead. :return: True if the signature was verified, else False. """ if not self.gpg: raise DistlibException('verification unavailable because gpg ' 'unavailable') cmd = self.get_verify_command(signature_filename, data_filename, keystore) rc, stdout, stderr = self.run_command(cmd) if rc not in (0, 1): raise DistlibException('verify command failed with error ' 'code %s' % rc) return rc == 0 def download_file(self, url, destfile, digest=None, reporthook=None): """ This is a convenience method for downloading a file from an URL. Normally, this will be a file from the index, though currently no check is made for this (i.e. a file can be downloaded from anywhere). The method is just like the :func:`urlretrieve` function in the standard library, except that it allows digest computation to be done during download and checking that the downloaded data matched any expected value. :param url: The URL of the file to be downloaded (assumed to be available via an HTTP GET request). :param destfile: The pathname where the downloaded file is to be saved. :param digest: If specified, this must be a (hasher, value) tuple, where hasher is the algorithm used (e.g. ``'md5'``) and ``value`` is the expected value. :param reporthook: The same as for :func:`urlretrieve` in the standard library. """ if digest is None: digester = None logger.debug('No digest specified') else: if isinstance(digest, (list, tuple)): hasher, digest = digest else: hasher = 'md5' digester = getattr(hashlib, hasher)() logger.debug('Digest specified: %s' % digest) # The following code is equivalent to urlretrieve. # We need to do it this way so that we can compute the # digest of the file as we go. with open(destfile, 'wb') as dfp: # addinfourl is not a context manager on 2.x # so we have to use try/finally sfp = self.send_request(Request(url)) try: headers = sfp.info() blocksize = 8192 size = -1 read = 0 blocknum = 0 if "content-length" in headers: size = int(headers["Content-Length"]) if reporthook: reporthook(blocknum, blocksize, size) while True: block = sfp.read(blocksize) if not block: break read += len(block) dfp.write(block) if digester: digester.update(block) blocknum += 1 if reporthook: reporthook(blocknum, blocksize, size) finally: sfp.close() # check that we got the whole file, if we can if size >= 0 and read < size: raise DistlibException( 'retrieval incomplete: got only %d out of %d bytes' % (read, size)) # if we have a digest, it must match. if digester: actual = digester.hexdigest() if digest != actual: raise DistlibException('%s digest mismatch for %s: expected ' '%s, got %s' % (hasher, destfile, digest, actual)) logger.debug('Digest verified: %s', digest) def send_request(self, req): """ Send a standard library :class:`Request` to PyPI and return its response. :param req: The request to send. :return: The HTTP response from PyPI (a standard library HTTPResponse). """ handlers = [] if self.password_handler: handlers.append(self.password_handler) if self.ssl_verifier: handlers.append(self.ssl_verifier) opener = build_opener(*handlers) return opener.open(req) def encode_request(self, fields, files): """ Encode fields and files for posting to an HTTP server. :param fields: The fields to send as a list of (fieldname, value) tuples. :param files: The files to send as a list of (fieldname, filename, file_bytes) tuple. """ # Adapted from packaging, which in turn was adapted from # http://code.activestate.com/recipes/146306 parts = [] boundary = self.boundary for k, values in fields: if not isinstance(values, (list, tuple)): values = [values] for v in values: parts.extend(( b'--' + boundary, ('Content-Disposition: form-data; name="%s"' % k).encode('utf-8'), b'', v.encode('utf-8'))) for key, filename, value in files: parts.extend(( b'--' + boundary, ('Content-Disposition: form-data; name="%s"; filename="%s"' % (key, filename)).encode('utf-8'), b'', value)) parts.extend((b'--' + boundary + b'--', b'')) body = b'\r\n'.join(parts) ct = b'multipart/form-data; boundary=' + boundary headers = { 'Content-type': ct, 'Content-length': str(len(body)) } return Request(self.url, body, headers) def search(self, terms, operator=None): if isinstance(terms, string_types): terms = {'name': terms} rpc_proxy = ServerProxy(self.url, timeout=3.0) try: return rpc_proxy.search(terms, operator or 'and') finally: rpc_proxy('close')() _vendor/distlib/locators.py 0000644 00000145375 15114542003 0012044 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2015 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # import gzip from io import BytesIO import json import logging import os import posixpath import re try: import threading except ImportError: # pragma: no cover import dummy_threading as threading import zlib from . import DistlibException from .compat import (urljoin, urlparse, urlunparse, url2pathname, pathname2url, queue, quote, unescape, build_opener, HTTPRedirectHandler as BaseRedirectHandler, text_type, Request, HTTPError, URLError) from .database import Distribution, DistributionPath, make_dist from .metadata import Metadata, MetadataInvalidError from .util import (cached_property, ensure_slash, split_filename, get_project_data, parse_requirement, parse_name_and_version, ServerProxy, normalize_name) from .version import get_scheme, UnsupportedVersionError from .wheel import Wheel, is_compatible logger = logging.getLogger(__name__) HASHER_HASH = re.compile(r'^(\w+)=([a-f0-9]+)') CHARSET = re.compile(r';\s*charset\s*=\s*(.*)\s*$', re.I) HTML_CONTENT_TYPE = re.compile('text/html|application/x(ht)?ml') DEFAULT_INDEX = 'https://pypi.org/pypi' def get_all_distribution_names(url=None): """ Return all distribution names known by an index. :param url: The URL of the index. :return: A list of all known distribution names. """ if url is None: url = DEFAULT_INDEX client = ServerProxy(url, timeout=3.0) try: return client.list_packages() finally: client('close')() class RedirectHandler(BaseRedirectHandler): """ A class to work around a bug in some Python 3.2.x releases. """ # There's a bug in the base version for some 3.2.x # (e.g. 3.2.2 on Ubuntu Oneiric). If a Location header # returns e.g. /abc, it bails because it says the scheme '' # is bogus, when actually it should use the request's # URL for the scheme. See Python issue #13696. def http_error_302(self, req, fp, code, msg, headers): # Some servers (incorrectly) return multiple Location headers # (so probably same goes for URI). Use first header. newurl = None for key in ('location', 'uri'): if key in headers: newurl = headers[key] break if newurl is None: # pragma: no cover return urlparts = urlparse(newurl) if urlparts.scheme == '': newurl = urljoin(req.get_full_url(), newurl) if hasattr(headers, 'replace_header'): headers.replace_header(key, newurl) else: headers[key] = newurl return BaseRedirectHandler.http_error_302(self, req, fp, code, msg, headers) http_error_301 = http_error_303 = http_error_307 = http_error_302 class Locator(object): """ A base class for locators - things that locate distributions. """ source_extensions = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz') binary_extensions = ('.egg', '.exe', '.whl') excluded_extensions = ('.pdf',) # A list of tags indicating which wheels you want to match. The default # value of None matches against the tags compatible with the running # Python. If you want to match other values, set wheel_tags on a locator # instance to a list of tuples (pyver, abi, arch) which you want to match. wheel_tags = None downloadable_extensions = source_extensions + ('.whl',) def __init__(self, scheme='default'): """ Initialise an instance. :param scheme: Because locators look for most recent versions, they need to know the version scheme to use. This specifies the current PEP-recommended scheme - use ``'legacy'`` if you need to support existing distributions on PyPI. """ self._cache = {} self.scheme = scheme # Because of bugs in some of the handlers on some of the platforms, # we use our own opener rather than just using urlopen. self.opener = build_opener(RedirectHandler()) # If get_project() is called from locate(), the matcher instance # is set from the requirement passed to locate(). See issue #18 for # why this can be useful to know. self.matcher = None self.errors = queue.Queue() def get_errors(self): """ Return any errors which have occurred. """ result = [] while not self.errors.empty(): # pragma: no cover try: e = self.errors.get(False) result.append(e) except self.errors.Empty: continue self.errors.task_done() return result def clear_errors(self): """ Clear any errors which may have been logged. """ # Just get the errors and throw them away self.get_errors() def clear_cache(self): self._cache.clear() def _get_scheme(self): return self._scheme def _set_scheme(self, value): self._scheme = value scheme = property(_get_scheme, _set_scheme) def _get_project(self, name): """ For a given project, get a dictionary mapping available versions to Distribution instances. This should be implemented in subclasses. If called from a locate() request, self.matcher will be set to a matcher for the requirement to satisfy, otherwise it will be None. """ raise NotImplementedError('Please implement in the subclass') def get_distribution_names(self): """ Return all the distribution names known to this locator. """ raise NotImplementedError('Please implement in the subclass') def get_project(self, name): """ For a given project, get a dictionary mapping available versions to Distribution instances. This calls _get_project to do all the work, and just implements a caching layer on top. """ if self._cache is None: # pragma: no cover result = self._get_project(name) elif name in self._cache: result = self._cache[name] else: self.clear_errors() result = self._get_project(name) self._cache[name] = result return result def score_url(self, url): """ Give an url a score which can be used to choose preferred URLs for a given project release. """ t = urlparse(url) basename = posixpath.basename(t.path) compatible = True is_wheel = basename.endswith('.whl') is_downloadable = basename.endswith(self.downloadable_extensions) if is_wheel: compatible = is_compatible(Wheel(basename), self.wheel_tags) return (t.scheme == 'https', 'pypi.org' in t.netloc, is_downloadable, is_wheel, compatible, basename) def prefer_url(self, url1, url2): """ Choose one of two URLs where both are candidates for distribution archives for the same version of a distribution (for example, .tar.gz vs. zip). The current implementation favours https:// URLs over http://, archives from PyPI over those from other locations, wheel compatibility (if a wheel) and then the archive name. """ result = url2 if url1: s1 = self.score_url(url1) s2 = self.score_url(url2) if s1 > s2: result = url1 if result != url2: logger.debug('Not replacing %r with %r', url1, url2) else: logger.debug('Replacing %r with %r', url1, url2) return result def split_filename(self, filename, project_name): """ Attempt to split a filename in project name, version and Python version. """ return split_filename(filename, project_name) def convert_url_to_download_info(self, url, project_name): """ See if a URL is a candidate for a download URL for a project (the URL has typically been scraped from an HTML page). If it is, a dictionary is returned with keys "name", "version", "filename" and "url"; otherwise, None is returned. """ def same_project(name1, name2): return normalize_name(name1) == normalize_name(name2) result = None scheme, netloc, path, params, query, frag = urlparse(url) if frag.lower().startswith('egg='): # pragma: no cover logger.debug('%s: version hint in fragment: %r', project_name, frag) m = HASHER_HASH.match(frag) if m: algo, digest = m.groups() else: algo, digest = None, None origpath = path if path and path[-1] == '/': # pragma: no cover path = path[:-1] if path.endswith('.whl'): try: wheel = Wheel(path) if not is_compatible(wheel, self.wheel_tags): logger.debug('Wheel not compatible: %s', path) else: if project_name is None: include = True else: include = same_project(wheel.name, project_name) if include: result = { 'name': wheel.name, 'version': wheel.version, 'filename': wheel.filename, 'url': urlunparse((scheme, netloc, origpath, params, query, '')), 'python-version': ', '.join( ['.'.join(list(v[2:])) for v in wheel.pyver]), } except Exception as e: # pragma: no cover logger.warning('invalid path for wheel: %s', path) elif not path.endswith(self.downloadable_extensions): # pragma: no cover logger.debug('Not downloadable: %s', path) else: # downloadable extension path = filename = posixpath.basename(path) for ext in self.downloadable_extensions: if path.endswith(ext): path = path[:-len(ext)] t = self.split_filename(path, project_name) if not t: # pragma: no cover logger.debug('No match for project/version: %s', path) else: name, version, pyver = t if not project_name or same_project(project_name, name): result = { 'name': name, 'version': version, 'filename': filename, 'url': urlunparse((scheme, netloc, origpath, params, query, '')), #'packagetype': 'sdist', } if pyver: # pragma: no cover result['python-version'] = pyver break if result and algo: result['%s_digest' % algo] = digest return result def _get_digest(self, info): """ Get a digest from a dictionary by looking at a "digests" dictionary or keys of the form 'algo_digest'. Returns a 2-tuple (algo, digest) if found, else None. Currently looks only for SHA256, then MD5. """ result = None if 'digests' in info: digests = info['digests'] for algo in ('sha256', 'md5'): if algo in digests: result = (algo, digests[algo]) break if not result: for algo in ('sha256', 'md5'): key = '%s_digest' % algo if key in info: result = (algo, info[key]) break return result def _update_version_data(self, result, info): """ Update a result dictionary (the final result from _get_project) with a dictionary for a specific version, which typically holds information gleaned from a filename or URL for an archive for the distribution. """ name = info.pop('name') version = info.pop('version') if version in result: dist = result[version] md = dist.metadata else: dist = make_dist(name, version, scheme=self.scheme) md = dist.metadata dist.digest = digest = self._get_digest(info) url = info['url'] result['digests'][url] = digest if md.source_url != info['url']: md.source_url = self.prefer_url(md.source_url, url) result['urls'].setdefault(version, set()).add(url) dist.locator = self result[version] = dist def locate(self, requirement, prereleases=False): """ Find the most recent distribution which matches the given requirement. :param requirement: A requirement of the form 'foo (1.0)' or perhaps 'foo (>= 1.0, < 2.0, != 1.3)' :param prereleases: If ``True``, allow pre-release versions to be located. Otherwise, pre-release versions are not returned. :return: A :class:`Distribution` instance, or ``None`` if no such distribution could be located. """ result = None r = parse_requirement(requirement) if r is None: # pragma: no cover raise DistlibException('Not a valid requirement: %r' % requirement) scheme = get_scheme(self.scheme) self.matcher = matcher = scheme.matcher(r.requirement) logger.debug('matcher: %s (%s)', matcher, type(matcher).__name__) versions = self.get_project(r.name) if len(versions) > 2: # urls and digests keys are present # sometimes, versions are invalid slist = [] vcls = matcher.version_class for k in versions: if k in ('urls', 'digests'): continue try: if not matcher.match(k): pass # logger.debug('%s did not match %r', matcher, k) else: if prereleases or not vcls(k).is_prerelease: slist.append(k) # else: # logger.debug('skipping pre-release ' # 'version %s of %s', k, matcher.name) except Exception: # pragma: no cover logger.warning('error matching %s with %r', matcher, k) pass # slist.append(k) if len(slist) > 1: slist = sorted(slist, key=scheme.key) if slist: logger.debug('sorted list: %s', slist) version = slist[-1] result = versions[version] if result: if r.extras: result.extras = r.extras result.download_urls = versions.get('urls', {}).get(version, set()) d = {} sd = versions.get('digests', {}) for url in result.download_urls: if url in sd: # pragma: no cover d[url] = sd[url] result.digests = d self.matcher = None return result class PyPIRPCLocator(Locator): """ This locator uses XML-RPC to locate distributions. It therefore cannot be used with simple mirrors (that only mirror file content). """ def __init__(self, url, **kwargs): """ Initialise an instance. :param url: The URL to use for XML-RPC. :param kwargs: Passed to the superclass constructor. """ super(PyPIRPCLocator, self).__init__(**kwargs) self.base_url = url self.client = ServerProxy(url, timeout=3.0) def get_distribution_names(self): """ Return all the distribution names known to this locator. """ return set(self.client.list_packages()) def _get_project(self, name): result = {'urls': {}, 'digests': {}} versions = self.client.package_releases(name, True) for v in versions: urls = self.client.release_urls(name, v) data = self.client.release_data(name, v) metadata = Metadata(scheme=self.scheme) metadata.name = data['name'] metadata.version = data['version'] metadata.license = data.get('license') metadata.keywords = data.get('keywords', []) metadata.summary = data.get('summary') dist = Distribution(metadata) if urls: info = urls[0] metadata.source_url = info['url'] dist.digest = self._get_digest(info) dist.locator = self result[v] = dist for info in urls: url = info['url'] digest = self._get_digest(info) result['urls'].setdefault(v, set()).add(url) result['digests'][url] = digest return result class PyPIJSONLocator(Locator): """ This locator uses PyPI's JSON interface. It's very limited in functionality and probably not worth using. """ def __init__(self, url, **kwargs): super(PyPIJSONLocator, self).__init__(**kwargs) self.base_url = ensure_slash(url) def get_distribution_names(self): """ Return all the distribution names known to this locator. """ raise NotImplementedError('Not available from this locator') def _get_project(self, name): result = {'urls': {}, 'digests': {}} url = urljoin(self.base_url, '%s/json' % quote(name)) try: resp = self.opener.open(url) data = resp.read().decode() # for now d = json.loads(data) md = Metadata(scheme=self.scheme) data = d['info'] md.name = data['name'] md.version = data['version'] md.license = data.get('license') md.keywords = data.get('keywords', []) md.summary = data.get('summary') dist = Distribution(md) dist.locator = self urls = d['urls'] result[md.version] = dist for info in d['urls']: url = info['url'] dist.download_urls.add(url) dist.digests[url] = self._get_digest(info) result['urls'].setdefault(md.version, set()).add(url) result['digests'][url] = self._get_digest(info) # Now get other releases for version, infos in d['releases'].items(): if version == md.version: continue # already done omd = Metadata(scheme=self.scheme) omd.name = md.name omd.version = version odist = Distribution(omd) odist.locator = self result[version] = odist for info in infos: url = info['url'] odist.download_urls.add(url) odist.digests[url] = self._get_digest(info) result['urls'].setdefault(version, set()).add(url) result['digests'][url] = self._get_digest(info) # for info in urls: # md.source_url = info['url'] # dist.digest = self._get_digest(info) # dist.locator = self # for info in urls: # url = info['url'] # result['urls'].setdefault(md.version, set()).add(url) # result['digests'][url] = self._get_digest(info) except Exception as e: self.errors.put(text_type(e)) logger.exception('JSON fetch failed: %s', e) return result class Page(object): """ This class represents a scraped HTML page. """ # The following slightly hairy-looking regex just looks for the contents of # an anchor link, which has an attribute "href" either immediately preceded # or immediately followed by a "rel" attribute. The attribute values can be # declared with double quotes, single quotes or no quotes - which leads to # the length of the expression. _href = re.compile(""" (rel\\s*=\\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\\s\n]*))\\s+)? href\\s*=\\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\\s\n]*)) (\\s+rel\\s*=\\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\\s\n]*)))? """, re.I | re.S | re.X) _base = re.compile(r"""<base\s+href\s*=\s*['"]?([^'">]+)""", re.I | re.S) def __init__(self, data, url): """ Initialise an instance with the Unicode page contents and the URL they came from. """ self.data = data self.base_url = self.url = url m = self._base.search(self.data) if m: self.base_url = m.group(1) _clean_re = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I) @cached_property def links(self): """ Return the URLs of all the links on a page together with information about their "rel" attribute, for determining which ones to treat as downloads and which ones to queue for further scraping. """ def clean(url): "Tidy up an URL." scheme, netloc, path, params, query, frag = urlparse(url) return urlunparse((scheme, netloc, quote(path), params, query, frag)) result = set() for match in self._href.finditer(self.data): d = match.groupdict('') rel = (d['rel1'] or d['rel2'] or d['rel3'] or d['rel4'] or d['rel5'] or d['rel6']) url = d['url1'] or d['url2'] or d['url3'] url = urljoin(self.base_url, url) url = unescape(url) url = self._clean_re.sub(lambda m: '%%%2x' % ord(m.group(0)), url) result.add((url, rel)) # We sort the result, hoping to bring the most recent versions # to the front result = sorted(result, key=lambda t: t[0], reverse=True) return result class SimpleScrapingLocator(Locator): """ A locator which scrapes HTML pages to locate downloads for a distribution. This runs multiple threads to do the I/O; performance is at least as good as pip's PackageFinder, which works in an analogous fashion. """ # These are used to deal with various Content-Encoding schemes. decoders = { 'deflate': zlib.decompress, 'gzip': lambda b: gzip.GzipFile(fileobj=BytesIO(b)).read(), 'none': lambda b: b, } def __init__(self, url, timeout=None, num_workers=10, **kwargs): """ Initialise an instance. :param url: The root URL to use for scraping. :param timeout: The timeout, in seconds, to be applied to requests. This defaults to ``None`` (no timeout specified). :param num_workers: The number of worker threads you want to do I/O, This defaults to 10. :param kwargs: Passed to the superclass. """ super(SimpleScrapingLocator, self).__init__(**kwargs) self.base_url = ensure_slash(url) self.timeout = timeout self._page_cache = {} self._seen = set() self._to_fetch = queue.Queue() self._bad_hosts = set() self.skip_externals = False self.num_workers = num_workers self._lock = threading.RLock() # See issue #45: we need to be resilient when the locator is used # in a thread, e.g. with concurrent.futures. We can't use self._lock # as it is for coordinating our internal threads - the ones created # in _prepare_threads. self._gplock = threading.RLock() self.platform_check = False # See issue #112 def _prepare_threads(self): """ Threads are created only when get_project is called, and terminate before it returns. They are there primarily to parallelise I/O (i.e. fetching web pages). """ self._threads = [] for i in range(self.num_workers): t = threading.Thread(target=self._fetch) t.setDaemon(True) t.start() self._threads.append(t) def _wait_threads(self): """ Tell all the threads to terminate (by sending a sentinel value) and wait for them to do so. """ # Note that you need two loops, since you can't say which # thread will get each sentinel for t in self._threads: self._to_fetch.put(None) # sentinel for t in self._threads: t.join() self._threads = [] def _get_project(self, name): result = {'urls': {}, 'digests': {}} with self._gplock: self.result = result self.project_name = name url = urljoin(self.base_url, '%s/' % quote(name)) self._seen.clear() self._page_cache.clear() self._prepare_threads() try: logger.debug('Queueing %s', url) self._to_fetch.put(url) self._to_fetch.join() finally: self._wait_threads() del self.result return result platform_dependent = re.compile(r'\b(linux_(i\d86|x86_64|arm\w+)|' r'win(32|_amd64)|macosx_?\d+)\b', re.I) def _is_platform_dependent(self, url): """ Does an URL refer to a platform-specific download? """ return self.platform_dependent.search(url) def _process_download(self, url): """ See if an URL is a suitable download for a project. If it is, register information in the result dictionary (for _get_project) about the specific version it's for. Note that the return value isn't actually used other than as a boolean value. """ if self.platform_check and self._is_platform_dependent(url): info = None else: info = self.convert_url_to_download_info(url, self.project_name) logger.debug('process_download: %s -> %s', url, info) if info: with self._lock: # needed because self.result is shared self._update_version_data(self.result, info) return info def _should_queue(self, link, referrer, rel): """ Determine whether a link URL from a referring page and with a particular "rel" attribute should be queued for scraping. """ scheme, netloc, path, _, _, _ = urlparse(link) if path.endswith(self.source_extensions + self.binary_extensions + self.excluded_extensions): result = False elif self.skip_externals and not link.startswith(self.base_url): result = False elif not referrer.startswith(self.base_url): result = False elif rel not in ('homepage', 'download'): result = False elif scheme not in ('http', 'https', 'ftp'): result = False elif self._is_platform_dependent(link): result = False else: host = netloc.split(':', 1)[0] if host.lower() == 'localhost': result = False else: result = True logger.debug('should_queue: %s (%s) from %s -> %s', link, rel, referrer, result) return result def _fetch(self): """ Get a URL to fetch from the work queue, get the HTML page, examine its links for download candidates and candidates for further scraping. This is a handy method to run in a thread. """ while True: url = self._to_fetch.get() try: if url: page = self.get_page(url) if page is None: # e.g. after an error continue for link, rel in page.links: if link not in self._seen: try: self._seen.add(link) if (not self._process_download(link) and self._should_queue(link, url, rel)): logger.debug('Queueing %s from %s', link, url) self._to_fetch.put(link) except MetadataInvalidError: # e.g. invalid versions pass except Exception as e: # pragma: no cover self.errors.put(text_type(e)) finally: # always do this, to avoid hangs :-) self._to_fetch.task_done() if not url: #logger.debug('Sentinel seen, quitting.') break def get_page(self, url): """ Get the HTML for an URL, possibly from an in-memory cache. XXX TODO Note: this cache is never actually cleared. It's assumed that the data won't get stale over the lifetime of a locator instance (not necessarily true for the default_locator). """ # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api scheme, netloc, path, _, _, _ = urlparse(url) if scheme == 'file' and os.path.isdir(url2pathname(path)): url = urljoin(ensure_slash(url), 'index.html') if url in self._page_cache: result = self._page_cache[url] logger.debug('Returning %s from cache: %s', url, result) else: host = netloc.split(':', 1)[0] result = None if host in self._bad_hosts: logger.debug('Skipping %s due to bad host %s', url, host) else: req = Request(url, headers={'Accept-encoding': 'identity'}) try: logger.debug('Fetching %s', url) resp = self.opener.open(req, timeout=self.timeout) logger.debug('Fetched %s', url) headers = resp.info() content_type = headers.get('Content-Type', '') if HTML_CONTENT_TYPE.match(content_type): final_url = resp.geturl() data = resp.read() encoding = headers.get('Content-Encoding') if encoding: decoder = self.decoders[encoding] # fail if not found data = decoder(data) encoding = 'utf-8' m = CHARSET.search(content_type) if m: encoding = m.group(1) try: data = data.decode(encoding) except UnicodeError: # pragma: no cover data = data.decode('latin-1') # fallback result = Page(data, final_url) self._page_cache[final_url] = result except HTTPError as e: if e.code != 404: logger.exception('Fetch failed: %s: %s', url, e) except URLError as e: # pragma: no cover logger.exception('Fetch failed: %s: %s', url, e) with self._lock: self._bad_hosts.add(host) except Exception as e: # pragma: no cover logger.exception('Fetch failed: %s: %s', url, e) finally: self._page_cache[url] = result # even if None (failure) return result _distname_re = re.compile('<a href=[^>]*>([^<]+)<') def get_distribution_names(self): """ Return all the distribution names known to this locator. """ result = set() page = self.get_page(self.base_url) if not page: raise DistlibException('Unable to get %s' % self.base_url) for match in self._distname_re.finditer(page.data): result.add(match.group(1)) return result class DirectoryLocator(Locator): """ This class locates distributions in a directory tree. """ def __init__(self, path, **kwargs): """ Initialise an instance. :param path: The root of the directory tree to search. :param kwargs: Passed to the superclass constructor, except for: * recursive - if True (the default), subdirectories are recursed into. If False, only the top-level directory is searched, """ self.recursive = kwargs.pop('recursive', True) super(DirectoryLocator, self).__init__(**kwargs) path = os.path.abspath(path) if not os.path.isdir(path): # pragma: no cover raise DistlibException('Not a directory: %r' % path) self.base_dir = path def should_include(self, filename, parent): """ Should a filename be considered as a candidate for a distribution archive? As well as the filename, the directory which contains it is provided, though not used by the current implementation. """ return filename.endswith(self.downloadable_extensions) def _get_project(self, name): result = {'urls': {}, 'digests': {}} for root, dirs, files in os.walk(self.base_dir): for fn in files: if self.should_include(fn, root): fn = os.path.join(root, fn) url = urlunparse(('file', '', pathname2url(os.path.abspath(fn)), '', '', '')) info = self.convert_url_to_download_info(url, name) if info: self._update_version_data(result, info) if not self.recursive: break return result def get_distribution_names(self): """ Return all the distribution names known to this locator. """ result = set() for root, dirs, files in os.walk(self.base_dir): for fn in files: if self.should_include(fn, root): fn = os.path.join(root, fn) url = urlunparse(('file', '', pathname2url(os.path.abspath(fn)), '', '', '')) info = self.convert_url_to_download_info(url, None) if info: result.add(info['name']) if not self.recursive: break return result class JSONLocator(Locator): """ This locator uses special extended metadata (not available on PyPI) and is the basis of performant dependency resolution in distlib. Other locators require archive downloads before dependencies can be determined! As you might imagine, that can be slow. """ def get_distribution_names(self): """ Return all the distribution names known to this locator. """ raise NotImplementedError('Not available from this locator') def _get_project(self, name): result = {'urls': {}, 'digests': {}} data = get_project_data(name) if data: for info in data.get('files', []): if info['ptype'] != 'sdist' or info['pyversion'] != 'source': continue # We don't store summary in project metadata as it makes # the data bigger for no benefit during dependency # resolution dist = make_dist(data['name'], info['version'], summary=data.get('summary', 'Placeholder for summary'), scheme=self.scheme) md = dist.metadata md.source_url = info['url'] # TODO SHA256 digest if 'digest' in info and info['digest']: dist.digest = ('md5', info['digest']) md.dependencies = info.get('requirements', {}) dist.exports = info.get('exports', {}) result[dist.version] = dist result['urls'].setdefault(dist.version, set()).add(info['url']) return result class DistPathLocator(Locator): """ This locator finds installed distributions in a path. It can be useful for adding to an :class:`AggregatingLocator`. """ def __init__(self, distpath, **kwargs): """ Initialise an instance. :param distpath: A :class:`DistributionPath` instance to search. """ super(DistPathLocator, self).__init__(**kwargs) assert isinstance(distpath, DistributionPath) self.distpath = distpath def _get_project(self, name): dist = self.distpath.get_distribution(name) if dist is None: result = {'urls': {}, 'digests': {}} else: result = { dist.version: dist, 'urls': {dist.version: set([dist.source_url])}, 'digests': {dist.version: set([None])} } return result class AggregatingLocator(Locator): """ This class allows you to chain and/or merge a list of locators. """ def __init__(self, *locators, **kwargs): """ Initialise an instance. :param locators: The list of locators to search. :param kwargs: Passed to the superclass constructor, except for: * merge - if False (the default), the first successful search from any of the locators is returned. If True, the results from all locators are merged (this can be slow). """ self.merge = kwargs.pop('merge', False) self.locators = locators super(AggregatingLocator, self).__init__(**kwargs) def clear_cache(self): super(AggregatingLocator, self).clear_cache() for locator in self.locators: locator.clear_cache() def _set_scheme(self, value): self._scheme = value for locator in self.locators: locator.scheme = value scheme = property(Locator.scheme.fget, _set_scheme) def _get_project(self, name): result = {} for locator in self.locators: d = locator.get_project(name) if d: if self.merge: files = result.get('urls', {}) digests = result.get('digests', {}) # next line could overwrite result['urls'], result['digests'] result.update(d) df = result.get('urls') if files and df: for k, v in files.items(): if k in df: df[k] |= v else: df[k] = v dd = result.get('digests') if digests and dd: dd.update(digests) else: # See issue #18. If any dists are found and we're looking # for specific constraints, we only return something if # a match is found. For example, if a DirectoryLocator # returns just foo (1.0) while we're looking for # foo (>= 2.0), we'll pretend there was nothing there so # that subsequent locators can be queried. Otherwise we # would just return foo (1.0) which would then lead to a # failure to find foo (>= 2.0), because other locators # weren't searched. Note that this only matters when # merge=False. if self.matcher is None: found = True else: found = False for k in d: if self.matcher.match(k): found = True break if found: result = d break return result def get_distribution_names(self): """ Return all the distribution names known to this locator. """ result = set() for locator in self.locators: try: result |= locator.get_distribution_names() except NotImplementedError: pass return result # We use a legacy scheme simply because most of the dists on PyPI use legacy # versions which don't conform to PEP 426 / PEP 440. default_locator = AggregatingLocator( JSONLocator(), SimpleScrapingLocator('https://pypi.org/simple/', timeout=3.0), scheme='legacy') locate = default_locator.locate class DependencyFinder(object): """ Locate dependencies for distributions. """ def __init__(self, locator=None): """ Initialise an instance, using the specified locator to locate distributions. """ self.locator = locator or default_locator self.scheme = get_scheme(self.locator.scheme) def add_distribution(self, dist): """ Add a distribution to the finder. This will update internal information about who provides what. :param dist: The distribution to add. """ logger.debug('adding distribution %s', dist) name = dist.key self.dists_by_name[name] = dist self.dists[(name, dist.version)] = dist for p in dist.provides: name, version = parse_name_and_version(p) logger.debug('Add to provided: %s, %s, %s', name, version, dist) self.provided.setdefault(name, set()).add((version, dist)) def remove_distribution(self, dist): """ Remove a distribution from the finder. This will update internal information about who provides what. :param dist: The distribution to remove. """ logger.debug('removing distribution %s', dist) name = dist.key del self.dists_by_name[name] del self.dists[(name, dist.version)] for p in dist.provides: name, version = parse_name_and_version(p) logger.debug('Remove from provided: %s, %s, %s', name, version, dist) s = self.provided[name] s.remove((version, dist)) if not s: del self.provided[name] def get_matcher(self, reqt): """ Get a version matcher for a requirement. :param reqt: The requirement :type reqt: str :return: A version matcher (an instance of :class:`distlib.version.Matcher`). """ try: matcher = self.scheme.matcher(reqt) except UnsupportedVersionError: # pragma: no cover # XXX compat-mode if cannot read the version name = reqt.split()[0] matcher = self.scheme.matcher(name) return matcher def find_providers(self, reqt): """ Find the distributions which can fulfill a requirement. :param reqt: The requirement. :type reqt: str :return: A set of distribution which can fulfill the requirement. """ matcher = self.get_matcher(reqt) name = matcher.key # case-insensitive result = set() provided = self.provided if name in provided: for version, provider in provided[name]: try: match = matcher.match(version) except UnsupportedVersionError: match = False if match: result.add(provider) break return result def try_to_replace(self, provider, other, problems): """ Attempt to replace one provider with another. This is typically used when resolving dependencies from multiple sources, e.g. A requires (B >= 1.0) while C requires (B >= 1.1). For successful replacement, ``provider`` must meet all the requirements which ``other`` fulfills. :param provider: The provider we are trying to replace with. :param other: The provider we're trying to replace. :param problems: If False is returned, this will contain what problems prevented replacement. This is currently a tuple of the literal string 'cantreplace', ``provider``, ``other`` and the set of requirements that ``provider`` couldn't fulfill. :return: True if we can replace ``other`` with ``provider``, else False. """ rlist = self.reqts[other] unmatched = set() for s in rlist: matcher = self.get_matcher(s) if not matcher.match(provider.version): unmatched.add(s) if unmatched: # can't replace other with provider problems.add(('cantreplace', provider, other, frozenset(unmatched))) result = False else: # can replace other with provider self.remove_distribution(other) del self.reqts[other] for s in rlist: self.reqts.setdefault(provider, set()).add(s) self.add_distribution(provider) result = True return result def find(self, requirement, meta_extras=None, prereleases=False): """ Find a distribution and all distributions it depends on. :param requirement: The requirement specifying the distribution to find, or a Distribution instance. :param meta_extras: A list of meta extras such as :test:, :build: and so on. :param prereleases: If ``True``, allow pre-release versions to be returned - otherwise, don't return prereleases unless they're all that's available. Return a set of :class:`Distribution` instances and a set of problems. The distributions returned should be such that they have the :attr:`required` attribute set to ``True`` if they were from the ``requirement`` passed to ``find()``, and they have the :attr:`build_time_dependency` attribute set to ``True`` unless they are post-installation dependencies of the ``requirement``. The problems should be a tuple consisting of the string ``'unsatisfied'`` and the requirement which couldn't be satisfied by any distribution known to the locator. """ self.provided = {} self.dists = {} self.dists_by_name = {} self.reqts = {} meta_extras = set(meta_extras or []) if ':*:' in meta_extras: meta_extras.remove(':*:') # :meta: and :run: are implicitly included meta_extras |= set([':test:', ':build:', ':dev:']) if isinstance(requirement, Distribution): dist = odist = requirement logger.debug('passed %s as requirement', odist) else: dist = odist = self.locator.locate(requirement, prereleases=prereleases) if dist is None: raise DistlibException('Unable to locate %r' % requirement) logger.debug('located %s', odist) dist.requested = True problems = set() todo = set([dist]) install_dists = set([odist]) while todo: dist = todo.pop() name = dist.key # case-insensitive if name not in self.dists_by_name: self.add_distribution(dist) else: #import pdb; pdb.set_trace() other = self.dists_by_name[name] if other != dist: self.try_to_replace(dist, other, problems) ireqts = dist.run_requires | dist.meta_requires sreqts = dist.build_requires ereqts = set() if meta_extras and dist in install_dists: for key in ('test', 'build', 'dev'): e = ':%s:' % key if e in meta_extras: ereqts |= getattr(dist, '%s_requires' % key) all_reqts = ireqts | sreqts | ereqts for r in all_reqts: providers = self.find_providers(r) if not providers: logger.debug('No providers found for %r', r) provider = self.locator.locate(r, prereleases=prereleases) # If no provider is found and we didn't consider # prereleases, consider them now. if provider is None and not prereleases: provider = self.locator.locate(r, prereleases=True) if provider is None: logger.debug('Cannot satisfy %r', r) problems.add(('unsatisfied', r)) else: n, v = provider.key, provider.version if (n, v) not in self.dists: todo.add(provider) providers.add(provider) if r in ireqts and dist in install_dists: install_dists.add(provider) logger.debug('Adding %s to install_dists', provider.name_and_version) for p in providers: name = p.key if name not in self.dists_by_name: self.reqts.setdefault(p, set()).add(r) else: other = self.dists_by_name[name] if other != p: # see if other can be replaced by p self.try_to_replace(p, other, problems) dists = set(self.dists.values()) for dist in dists: dist.build_time_dependency = dist not in install_dists if dist.build_time_dependency: logger.debug('%s is a build-time dependency only.', dist.name_and_version) logger.debug('find done for %s', odist) return dists, problems _vendor/distlib/manifest.py 0000644 00000034733 15114542003 0012017 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2013 Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """ Class representing the list of files in a distribution. Equivalent to distutils.filelist, but fixes some problems. """ import fnmatch import logging import os import re import sys from . import DistlibException from .compat import fsdecode from .util import convert_path __all__ = ['Manifest'] logger = logging.getLogger(__name__) # a \ followed by some spaces + EOL _COLLAPSE_PATTERN = re.compile('\\\\w*\n', re.M) _COMMENTED_LINE = re.compile('#.*?(?=\n)|\n(?=$)', re.M | re.S) # # Due to the different results returned by fnmatch.translate, we need # to do slightly different processing for Python 2.7 and 3.2 ... this needed # to be brought in for Python 3.6 onwards. # _PYTHON_VERSION = sys.version_info[:2] class Manifest(object): """A list of files built by on exploring the filesystem and filtered by applying various patterns to what we find there. """ def __init__(self, base=None): """ Initialise an instance. :param base: The base directory to explore under. """ self.base = os.path.abspath(os.path.normpath(base or os.getcwd())) self.prefix = self.base + os.sep self.allfiles = None self.files = set() # # Public API # def findall(self): """Find all files under the base and set ``allfiles`` to the absolute pathnames of files found. """ from stat import S_ISREG, S_ISDIR, S_ISLNK self.allfiles = allfiles = [] root = self.base stack = [root] pop = stack.pop push = stack.append while stack: root = pop() names = os.listdir(root) for name in names: fullname = os.path.join(root, name) # Avoid excess stat calls -- just one will do, thank you! stat = os.stat(fullname) mode = stat.st_mode if S_ISREG(mode): allfiles.append(fsdecode(fullname)) elif S_ISDIR(mode) and not S_ISLNK(mode): push(fullname) def add(self, item): """ Add a file to the manifest. :param item: The pathname to add. This can be relative to the base. """ if not item.startswith(self.prefix): item = os.path.join(self.base, item) self.files.add(os.path.normpath(item)) def add_many(self, items): """ Add a list of files to the manifest. :param items: The pathnames to add. These can be relative to the base. """ for item in items: self.add(item) def sorted(self, wantdirs=False): """ Return sorted files in directory order """ def add_dir(dirs, d): dirs.add(d) logger.debug('add_dir added %s', d) if d != self.base: parent, _ = os.path.split(d) assert parent not in ('', '/') add_dir(dirs, parent) result = set(self.files) # make a copy! if wantdirs: dirs = set() for f in result: add_dir(dirs, os.path.dirname(f)) result |= dirs return [os.path.join(*path_tuple) for path_tuple in sorted(os.path.split(path) for path in result)] def clear(self): """Clear all collected files.""" self.files = set() self.allfiles = [] def process_directive(self, directive): """ Process a directive which either adds some files from ``allfiles`` to ``files``, or removes some files from ``files``. :param directive: The directive to process. This should be in a format compatible with distutils ``MANIFEST.in`` files: http://docs.python.org/distutils/sourcedist.html#commands """ # Parse the line: split it up, make sure the right number of words # is there, and return the relevant words. 'action' is always # defined: it's the first word of the line. Which of the other # three are defined depends on the action; it'll be either # patterns, (dir and patterns), or (dirpattern). action, patterns, thedir, dirpattern = self._parse_directive(directive) # OK, now we know that the action is valid and we have the # right number of words on the line for that action -- so we # can proceed with minimal error-checking. if action == 'include': for pattern in patterns: if not self._include_pattern(pattern, anchor=True): logger.warning('no files found matching %r', pattern) elif action == 'exclude': for pattern in patterns: found = self._exclude_pattern(pattern, anchor=True) #if not found: # logger.warning('no previously-included files ' # 'found matching %r', pattern) elif action == 'global-include': for pattern in patterns: if not self._include_pattern(pattern, anchor=False): logger.warning('no files found matching %r ' 'anywhere in distribution', pattern) elif action == 'global-exclude': for pattern in patterns: found = self._exclude_pattern(pattern, anchor=False) #if not found: # logger.warning('no previously-included files ' # 'matching %r found anywhere in ' # 'distribution', pattern) elif action == 'recursive-include': for pattern in patterns: if not self._include_pattern(pattern, prefix=thedir): logger.warning('no files found matching %r ' 'under directory %r', pattern, thedir) elif action == 'recursive-exclude': for pattern in patterns: found = self._exclude_pattern(pattern, prefix=thedir) #if not found: # logger.warning('no previously-included files ' # 'matching %r found under directory %r', # pattern, thedir) elif action == 'graft': if not self._include_pattern(None, prefix=dirpattern): logger.warning('no directories found matching %r', dirpattern) elif action == 'prune': if not self._exclude_pattern(None, prefix=dirpattern): logger.warning('no previously-included directories found ' 'matching %r', dirpattern) else: # pragma: no cover # This should never happen, as it should be caught in # _parse_template_line raise DistlibException( 'invalid action %r' % action) # # Private API # def _parse_directive(self, directive): """ Validate a directive. :param directive: The directive to validate. :return: A tuple of action, patterns, thedir, dir_patterns """ words = directive.split() if len(words) == 1 and words[0] not in ('include', 'exclude', 'global-include', 'global-exclude', 'recursive-include', 'recursive-exclude', 'graft', 'prune'): # no action given, let's use the default 'include' words.insert(0, 'include') action = words[0] patterns = thedir = dir_pattern = None if action in ('include', 'exclude', 'global-include', 'global-exclude'): if len(words) < 2: raise DistlibException( '%r expects <pattern1> <pattern2> ...' % action) patterns = [convert_path(word) for word in words[1:]] elif action in ('recursive-include', 'recursive-exclude'): if len(words) < 3: raise DistlibException( '%r expects <dir> <pattern1> <pattern2> ...' % action) thedir = convert_path(words[1]) patterns = [convert_path(word) for word in words[2:]] elif action in ('graft', 'prune'): if len(words) != 2: raise DistlibException( '%r expects a single <dir_pattern>' % action) dir_pattern = convert_path(words[1]) else: raise DistlibException('unknown action %r' % action) return action, patterns, thedir, dir_pattern def _include_pattern(self, pattern, anchor=True, prefix=None, is_regex=False): """Select strings (presumably filenames) from 'self.files' that match 'pattern', a Unix-style wildcard (glob) pattern. Patterns are not quite the same as implemented by the 'fnmatch' module: '*' and '?' match non-special characters, where "special" is platform-dependent: slash on Unix; colon, slash, and backslash on DOS/Windows; and colon on Mac OS. If 'anchor' is true (the default), then the pattern match is more stringent: "*.py" will match "foo.py" but not "foo/bar.py". If 'anchor' is false, both of these will match. If 'prefix' is supplied, then only filenames starting with 'prefix' (itself a pattern) and ending with 'pattern', with anything in between them, will match. 'anchor' is ignored in this case. If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and 'pattern' is assumed to be either a string containing a regex or a regex object -- no translation is done, the regex is just compiled and used as-is. Selected strings will be added to self.files. Return True if files are found. """ # XXX docstring lying about what the special chars are? found = False pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) # delayed loading of allfiles list if self.allfiles is None: self.findall() for name in self.allfiles: if pattern_re.search(name): self.files.add(name) found = True return found def _exclude_pattern(self, pattern, anchor=True, prefix=None, is_regex=False): """Remove strings (presumably filenames) from 'files' that match 'pattern'. Other parameters are the same as for 'include_pattern()', above. The list 'self.files' is modified in place. Return True if files are found. This API is public to allow e.g. exclusion of SCM subdirs, e.g. when packaging source distributions """ found = False pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) for f in list(self.files): if pattern_re.search(f): self.files.remove(f) found = True return found def _translate_pattern(self, pattern, anchor=True, prefix=None, is_regex=False): """Translate a shell-like wildcard pattern to a compiled regular expression. Return the compiled regex. If 'is_regex' true, then 'pattern' is directly compiled to a regex (if it's a string) or just returned as-is (assumes it's a regex object). """ if is_regex: if isinstance(pattern, str): return re.compile(pattern) else: return pattern if _PYTHON_VERSION > (3, 2): # ditch start and end characters start, _, end = self._glob_to_re('_').partition('_') if pattern: pattern_re = self._glob_to_re(pattern) if _PYTHON_VERSION > (3, 2): assert pattern_re.startswith(start) and pattern_re.endswith(end) else: pattern_re = '' base = re.escape(os.path.join(self.base, '')) if prefix is not None: # ditch end of pattern character if _PYTHON_VERSION <= (3, 2): empty_pattern = self._glob_to_re('') prefix_re = self._glob_to_re(prefix)[:-len(empty_pattern)] else: prefix_re = self._glob_to_re(prefix) assert prefix_re.startswith(start) and prefix_re.endswith(end) prefix_re = prefix_re[len(start): len(prefix_re) - len(end)] sep = os.sep if os.sep == '\\': sep = r'\\' if _PYTHON_VERSION <= (3, 2): pattern_re = '^' + base + sep.join((prefix_re, '.*' + pattern_re)) else: pattern_re = pattern_re[len(start): len(pattern_re) - len(end)] pattern_re = r'%s%s%s%s.*%s%s' % (start, base, prefix_re, sep, pattern_re, end) else: # no prefix -- respect anchor flag if anchor: if _PYTHON_VERSION <= (3, 2): pattern_re = '^' + base + pattern_re else: pattern_re = r'%s%s%s' % (start, base, pattern_re[len(start):]) return re.compile(pattern_re) def _glob_to_re(self, pattern): """Translate a shell-like glob pattern to a regular expression. Return a string containing the regex. Differs from 'fnmatch.translate()' in that '*' does not match "special characters" (which are platform-specific). """ pattern_re = fnmatch.translate(pattern) # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix, # and by extension they shouldn't match such "special characters" under # any OS. So change all non-escaped dots in the RE to match any # character except the special characters (currently: just os.sep). sep = os.sep if os.sep == '\\': # we're using a regex to manipulate a regex, so we need # to escape the backslash twice sep = r'\\\\' escaped = r'\1[^%s]' % sep pattern_re = re.sub(r'((?<!\\)(\\\\)*)\.', escaped, pattern_re) return pattern_re _vendor/distlib/markers.py 0000644 00000011575 15114542003 0011654 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2017 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # """ Parser for the environment markers micro-language defined in PEP 508. """ # Note: In PEP 345, the micro-language was Python compatible, so the ast # module could be used to parse it. However, PEP 508 introduced operators such # as ~= and === which aren't in Python, necessitating a different approach. import os import re import sys import platform from .compat import string_types from .util import in_venv, parse_marker from .version import NormalizedVersion as NV __all__ = ['interpret'] _VERSION_PATTERN = re.compile(r'((\d+(\.\d+)*\w*)|\'(\d+(\.\d+)*\w*)\'|\"(\d+(\.\d+)*\w*)\")') def _is_literal(o): if not isinstance(o, string_types) or not o: return False return o[0] in '\'"' def _get_versions(s): result = [] for m in _VERSION_PATTERN.finditer(s): result.append(NV(m.groups()[0])) return set(result) class Evaluator(object): """ This class is used to evaluate marker expessions. """ operations = { '==': lambda x, y: x == y, '===': lambda x, y: x == y, '~=': lambda x, y: x == y or x > y, '!=': lambda x, y: x != y, '<': lambda x, y: x < y, '<=': lambda x, y: x == y or x < y, '>': lambda x, y: x > y, '>=': lambda x, y: x == y or x > y, 'and': lambda x, y: x and y, 'or': lambda x, y: x or y, 'in': lambda x, y: x in y, 'not in': lambda x, y: x not in y, } def evaluate(self, expr, context): """ Evaluate a marker expression returned by the :func:`parse_requirement` function in the specified context. """ if isinstance(expr, string_types): if expr[0] in '\'"': result = expr[1:-1] else: if expr not in context: raise SyntaxError('unknown variable: %s' % expr) result = context[expr] else: assert isinstance(expr, dict) op = expr['op'] if op not in self.operations: raise NotImplementedError('op not implemented: %s' % op) elhs = expr['lhs'] erhs = expr['rhs'] if _is_literal(expr['lhs']) and _is_literal(expr['rhs']): raise SyntaxError('invalid comparison: %s %s %s' % (elhs, op, erhs)) lhs = self.evaluate(elhs, context) rhs = self.evaluate(erhs, context) if ((elhs == 'python_version' or erhs == 'python_version') and op in ('<', '<=', '>', '>=', '===', '==', '!=', '~=')): lhs = NV(lhs) rhs = NV(rhs) elif elhs == 'python_version' and op in ('in', 'not in'): lhs = NV(lhs) rhs = _get_versions(rhs) result = self.operations[op](lhs, rhs) return result def default_context(): def format_full_version(info): version = '%s.%s.%s' % (info.major, info.minor, info.micro) kind = info.releaselevel if kind != 'final': version += kind[0] + str(info.serial) return version if hasattr(sys, 'implementation'): implementation_version = format_full_version(sys.implementation.version) implementation_name = sys.implementation.name else: implementation_version = '0' implementation_name = '' result = { 'implementation_name': implementation_name, 'implementation_version': implementation_version, 'os_name': os.name, 'platform_machine': platform.machine(), 'platform_python_implementation': platform.python_implementation(), 'platform_release': platform.release(), 'platform_system': platform.system(), 'platform_version': platform.version(), 'platform_in_venv': str(in_venv()), 'python_full_version': platform.python_version(), 'python_version': platform.python_version()[:3], 'sys_platform': sys.platform, } return result DEFAULT_CONTEXT = default_context() del default_context evaluator = Evaluator() def interpret(marker, execution_context=None): """ Interpret a marker and return a result depending on environment. :param marker: The marker to interpret. :type marker: str :param execution_context: The context used for name lookup. :type execution_context: mapping """ try: expr, rest = parse_marker(marker) except Exception as e: raise SyntaxError('Unable to interpret marker syntax: %s: %s' % (marker, e)) if rest and rest[0] != '#': raise SyntaxError('unexpected trailing data in marker: %s: %s' % (marker, rest)) context = dict(DEFAULT_CONTEXT) if execution_context: context.update(execution_context) return evaluator.evaluate(expr, context) _vendor/distlib/metadata.py 0000644 00000114305 15114542003 0011763 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """Implementation of the Metadata for Python packages PEPs. Supports all metadata formats (1.0, 1.1, 1.2, 1.3/2.1 and withdrawn 2.0). """ from __future__ import unicode_literals import codecs from email import message_from_file import json import logging import re from . import DistlibException, __version__ from .compat import StringIO, string_types, text_type from .markers import interpret from .util import extract_by_key, get_extras from .version import get_scheme, PEP440_VERSION_RE logger = logging.getLogger(__name__) class MetadataMissingError(DistlibException): """A required metadata is missing""" class MetadataConflictError(DistlibException): """Attempt to read or write metadata fields that are conflictual.""" class MetadataUnrecognizedVersionError(DistlibException): """Unknown metadata version number.""" class MetadataInvalidError(DistlibException): """A metadata value is invalid""" # public API of this module __all__ = ['Metadata', 'PKG_INFO_ENCODING', 'PKG_INFO_PREFERRED_VERSION'] # Encoding used for the PKG-INFO files PKG_INFO_ENCODING = 'utf-8' # preferred version. Hopefully will be changed # to 1.2 once PEP 345 is supported everywhere PKG_INFO_PREFERRED_VERSION = '1.1' _LINE_PREFIX_1_2 = re.compile('\n \\|') _LINE_PREFIX_PRE_1_2 = re.compile('\n ') _241_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', 'Summary', 'Description', 'Keywords', 'Home-page', 'Author', 'Author-email', 'License') _314_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', 'Supported-Platform', 'Summary', 'Description', 'Keywords', 'Home-page', 'Author', 'Author-email', 'License', 'Classifier', 'Download-URL', 'Obsoletes', 'Provides', 'Requires') _314_MARKERS = ('Obsoletes', 'Provides', 'Requires', 'Classifier', 'Download-URL') _345_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', 'Supported-Platform', 'Summary', 'Description', 'Keywords', 'Home-page', 'Author', 'Author-email', 'Maintainer', 'Maintainer-email', 'License', 'Classifier', 'Download-URL', 'Obsoletes-Dist', 'Project-URL', 'Provides-Dist', 'Requires-Dist', 'Requires-Python', 'Requires-External') _345_MARKERS = ('Provides-Dist', 'Requires-Dist', 'Requires-Python', 'Obsoletes-Dist', 'Requires-External', 'Maintainer', 'Maintainer-email', 'Project-URL') _426_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', 'Supported-Platform', 'Summary', 'Description', 'Keywords', 'Home-page', 'Author', 'Author-email', 'Maintainer', 'Maintainer-email', 'License', 'Classifier', 'Download-URL', 'Obsoletes-Dist', 'Project-URL', 'Provides-Dist', 'Requires-Dist', 'Requires-Python', 'Requires-External', 'Private-Version', 'Obsoleted-By', 'Setup-Requires-Dist', 'Extension', 'Provides-Extra') _426_MARKERS = ('Private-Version', 'Provides-Extra', 'Obsoleted-By', 'Setup-Requires-Dist', 'Extension') # See issue #106: Sometimes 'Requires' and 'Provides' occur wrongly in # the metadata. Include them in the tuple literal below to allow them # (for now). # Ditto for Obsoletes - see issue #140. _566_FIELDS = _426_FIELDS + ('Description-Content-Type', 'Requires', 'Provides', 'Obsoletes') _566_MARKERS = ('Description-Content-Type',) _ALL_FIELDS = set() _ALL_FIELDS.update(_241_FIELDS) _ALL_FIELDS.update(_314_FIELDS) _ALL_FIELDS.update(_345_FIELDS) _ALL_FIELDS.update(_426_FIELDS) _ALL_FIELDS.update(_566_FIELDS) EXTRA_RE = re.compile(r'''extra\s*==\s*("([^"]+)"|'([^']+)')''') def _version2fieldlist(version): if version == '1.0': return _241_FIELDS elif version == '1.1': return _314_FIELDS elif version == '1.2': return _345_FIELDS elif version in ('1.3', '2.1'): # avoid adding field names if already there return _345_FIELDS + tuple(f for f in _566_FIELDS if f not in _345_FIELDS) elif version == '2.0': return _426_FIELDS raise MetadataUnrecognizedVersionError(version) def _best_version(fields): """Detect the best version depending on the fields used.""" def _has_marker(keys, markers): for marker in markers: if marker in keys: return True return False keys = [] for key, value in fields.items(): if value in ([], 'UNKNOWN', None): continue keys.append(key) possible_versions = ['1.0', '1.1', '1.2', '1.3', '2.0', '2.1'] # first let's try to see if a field is not part of one of the version for key in keys: if key not in _241_FIELDS and '1.0' in possible_versions: possible_versions.remove('1.0') logger.debug('Removed 1.0 due to %s', key) if key not in _314_FIELDS and '1.1' in possible_versions: possible_versions.remove('1.1') logger.debug('Removed 1.1 due to %s', key) if key not in _345_FIELDS and '1.2' in possible_versions: possible_versions.remove('1.2') logger.debug('Removed 1.2 due to %s', key) if key not in _566_FIELDS and '1.3' in possible_versions: possible_versions.remove('1.3') logger.debug('Removed 1.3 due to %s', key) if key not in _566_FIELDS and '2.1' in possible_versions: if key != 'Description': # In 2.1, description allowed after headers possible_versions.remove('2.1') logger.debug('Removed 2.1 due to %s', key) if key not in _426_FIELDS and '2.0' in possible_versions: possible_versions.remove('2.0') logger.debug('Removed 2.0 due to %s', key) # possible_version contains qualified versions if len(possible_versions) == 1: return possible_versions[0] # found ! elif len(possible_versions) == 0: logger.debug('Out of options - unknown metadata set: %s', fields) raise MetadataConflictError('Unknown metadata set') # let's see if one unique marker is found is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS) is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS) is_2_1 = '2.1' in possible_versions and _has_marker(keys, _566_MARKERS) is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS) if int(is_1_1) + int(is_1_2) + int(is_2_1) + int(is_2_0) > 1: raise MetadataConflictError('You used incompatible 1.1/1.2/2.0/2.1 fields') # we have the choice, 1.0, or 1.2, or 2.0 # - 1.0 has a broken Summary field but works with all tools # - 1.1 is to avoid # - 1.2 fixes Summary but has little adoption # - 2.0 adds more features and is very new if not is_1_1 and not is_1_2 and not is_2_1 and not is_2_0: # we couldn't find any specific marker if PKG_INFO_PREFERRED_VERSION in possible_versions: return PKG_INFO_PREFERRED_VERSION if is_1_1: return '1.1' if is_1_2: return '1.2' if is_2_1: return '2.1' return '2.0' # This follows the rules about transforming keys as described in # https://www.python.org/dev/peps/pep-0566/#id17 _ATTR2FIELD = { name.lower().replace("-", "_"): name for name in _ALL_FIELDS } _FIELD2ATTR = {field: attr for attr, field in _ATTR2FIELD.items()} _PREDICATE_FIELDS = ('Requires-Dist', 'Obsoletes-Dist', 'Provides-Dist') _VERSIONS_FIELDS = ('Requires-Python',) _VERSION_FIELDS = ('Version',) _LISTFIELDS = ('Platform', 'Classifier', 'Obsoletes', 'Requires', 'Provides', 'Obsoletes-Dist', 'Provides-Dist', 'Requires-Dist', 'Requires-External', 'Project-URL', 'Supported-Platform', 'Setup-Requires-Dist', 'Provides-Extra', 'Extension') _LISTTUPLEFIELDS = ('Project-URL',) _ELEMENTSFIELD = ('Keywords',) _UNICODEFIELDS = ('Author', 'Maintainer', 'Summary', 'Description') _MISSING = object() _FILESAFE = re.compile('[^A-Za-z0-9.]+') def _get_name_and_version(name, version, for_filename=False): """Return the distribution name with version. If for_filename is true, return a filename-escaped form.""" if for_filename: # For both name and version any runs of non-alphanumeric or '.' # characters are replaced with a single '-'. Additionally any # spaces in the version string become '.' name = _FILESAFE.sub('-', name) version = _FILESAFE.sub('-', version.replace(' ', '.')) return '%s-%s' % (name, version) class LegacyMetadata(object): """The legacy metadata of a release. Supports versions 1.0, 1.1, 1.2, 2.0 and 1.3/2.1 (auto-detected). You can instantiate the class with one of these arguments (or none): - *path*, the path to a metadata file - *fileobj* give a file-like object with metadata as content - *mapping* is a dict-like object - *scheme* is a version scheme name """ # TODO document the mapping API and UNKNOWN default key def __init__(self, path=None, fileobj=None, mapping=None, scheme='default'): if [path, fileobj, mapping].count(None) < 2: raise TypeError('path, fileobj and mapping are exclusive') self._fields = {} self.requires_files = [] self._dependencies = None self.scheme = scheme if path is not None: self.read(path) elif fileobj is not None: self.read_file(fileobj) elif mapping is not None: self.update(mapping) self.set_metadata_version() def set_metadata_version(self): self._fields['Metadata-Version'] = _best_version(self._fields) def _write_field(self, fileobj, name, value): fileobj.write('%s: %s\n' % (name, value)) def __getitem__(self, name): return self.get(name) def __setitem__(self, name, value): return self.set(name, value) def __delitem__(self, name): field_name = self._convert_name(name) try: del self._fields[field_name] except KeyError: raise KeyError(name) def __contains__(self, name): return (name in self._fields or self._convert_name(name) in self._fields) def _convert_name(self, name): if name in _ALL_FIELDS: return name name = name.replace('-', '_').lower() return _ATTR2FIELD.get(name, name) def _default_value(self, name): if name in _LISTFIELDS or name in _ELEMENTSFIELD: return [] return 'UNKNOWN' def _remove_line_prefix(self, value): if self.metadata_version in ('1.0', '1.1'): return _LINE_PREFIX_PRE_1_2.sub('\n', value) else: return _LINE_PREFIX_1_2.sub('\n', value) def __getattr__(self, name): if name in _ATTR2FIELD: return self[name] raise AttributeError(name) # # Public API # # dependencies = property(_get_dependencies, _set_dependencies) def get_fullname(self, filesafe=False): """Return the distribution name with version. If filesafe is true, return a filename-escaped form.""" return _get_name_and_version(self['Name'], self['Version'], filesafe) def is_field(self, name): """return True if name is a valid metadata key""" name = self._convert_name(name) return name in _ALL_FIELDS def is_multi_field(self, name): name = self._convert_name(name) return name in _LISTFIELDS def read(self, filepath): """Read the metadata values from a file path.""" fp = codecs.open(filepath, 'r', encoding='utf-8') try: self.read_file(fp) finally: fp.close() def read_file(self, fileob): """Read the metadata values from a file object.""" msg = message_from_file(fileob) self._fields['Metadata-Version'] = msg['metadata-version'] # When reading, get all the fields we can for field in _ALL_FIELDS: if field not in msg: continue if field in _LISTFIELDS: # we can have multiple lines values = msg.get_all(field) if field in _LISTTUPLEFIELDS and values is not None: values = [tuple(value.split(',')) for value in values] self.set(field, values) else: # single line value = msg[field] if value is not None and value != 'UNKNOWN': self.set(field, value) # PEP 566 specifies that the body be used for the description, if # available body = msg.get_payload() self["Description"] = body if body else self["Description"] # logger.debug('Attempting to set metadata for %s', self) # self.set_metadata_version() def write(self, filepath, skip_unknown=False): """Write the metadata fields to filepath.""" fp = codecs.open(filepath, 'w', encoding='utf-8') try: self.write_file(fp, skip_unknown) finally: fp.close() def write_file(self, fileobject, skip_unknown=False): """Write the PKG-INFO format data to a file object.""" self.set_metadata_version() for field in _version2fieldlist(self['Metadata-Version']): values = self.get(field) if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']): continue if field in _ELEMENTSFIELD: self._write_field(fileobject, field, ','.join(values)) continue if field not in _LISTFIELDS: if field == 'Description': if self.metadata_version in ('1.0', '1.1'): values = values.replace('\n', '\n ') else: values = values.replace('\n', '\n |') values = [values] if field in _LISTTUPLEFIELDS: values = [','.join(value) for value in values] for value in values: self._write_field(fileobject, field, value) def update(self, other=None, **kwargs): """Set metadata values from the given iterable `other` and kwargs. Behavior is like `dict.update`: If `other` has a ``keys`` method, they are looped over and ``self[key]`` is assigned ``other[key]``. Else, ``other`` is an iterable of ``(key, value)`` iterables. Keys that don't match a metadata field or that have an empty value are dropped. """ def _set(key, value): if key in _ATTR2FIELD and value: self.set(self._convert_name(key), value) if not other: # other is None or empty container pass elif hasattr(other, 'keys'): for k in other.keys(): _set(k, other[k]) else: for k, v in other: _set(k, v) if kwargs: for k, v in kwargs.items(): _set(k, v) def set(self, name, value): """Control then set a metadata field.""" name = self._convert_name(name) if ((name in _ELEMENTSFIELD or name == 'Platform') and not isinstance(value, (list, tuple))): if isinstance(value, string_types): value = [v.strip() for v in value.split(',')] else: value = [] elif (name in _LISTFIELDS and not isinstance(value, (list, tuple))): if isinstance(value, string_types): value = [value] else: value = [] if logger.isEnabledFor(logging.WARNING): project_name = self['Name'] scheme = get_scheme(self.scheme) if name in _PREDICATE_FIELDS and value is not None: for v in value: # check that the values are valid if not scheme.is_valid_matcher(v.split(';')[0]): logger.warning( "'%s': '%s' is not valid (field '%s')", project_name, v, name) # FIXME this rejects UNKNOWN, is that right? elif name in _VERSIONS_FIELDS and value is not None: if not scheme.is_valid_constraint_list(value): logger.warning("'%s': '%s' is not a valid version (field '%s')", project_name, value, name) elif name in _VERSION_FIELDS and value is not None: if not scheme.is_valid_version(value): logger.warning("'%s': '%s' is not a valid version (field '%s')", project_name, value, name) if name in _UNICODEFIELDS: if name == 'Description': value = self._remove_line_prefix(value) self._fields[name] = value def get(self, name, default=_MISSING): """Get a metadata field.""" name = self._convert_name(name) if name not in self._fields: if default is _MISSING: default = self._default_value(name) return default if name in _UNICODEFIELDS: value = self._fields[name] return value elif name in _LISTFIELDS: value = self._fields[name] if value is None: return [] res = [] for val in value: if name not in _LISTTUPLEFIELDS: res.append(val) else: # That's for Project-URL res.append((val[0], val[1])) return res elif name in _ELEMENTSFIELD: value = self._fields[name] if isinstance(value, string_types): return value.split(',') return self._fields[name] def check(self, strict=False): """Check if the metadata is compliant. If strict is True then raise if no Name or Version are provided""" self.set_metadata_version() # XXX should check the versions (if the file was loaded) missing, warnings = [], [] for attr in ('Name', 'Version'): # required by PEP 345 if attr not in self: missing.append(attr) if strict and missing != []: msg = 'missing required metadata: %s' % ', '.join(missing) raise MetadataMissingError(msg) for attr in ('Home-page', 'Author'): if attr not in self: missing.append(attr) # checking metadata 1.2 (XXX needs to check 1.1, 1.0) if self['Metadata-Version'] != '1.2': return missing, warnings scheme = get_scheme(self.scheme) def are_valid_constraints(value): for v in value: if not scheme.is_valid_matcher(v.split(';')[0]): return False return True for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints), (_VERSIONS_FIELDS, scheme.is_valid_constraint_list), (_VERSION_FIELDS, scheme.is_valid_version)): for field in fields: value = self.get(field, None) if value is not None and not controller(value): warnings.append("Wrong value for '%s': %s" % (field, value)) return missing, warnings def todict(self, skip_missing=False): """Return fields as a dict. Field names will be converted to use the underscore-lowercase style instead of hyphen-mixed case (i.e. home_page instead of Home-page). This is as per https://www.python.org/dev/peps/pep-0566/#id17. """ self.set_metadata_version() fields = _version2fieldlist(self['Metadata-Version']) data = {} for field_name in fields: if not skip_missing or field_name in self._fields: key = _FIELD2ATTR[field_name] if key != 'project_url': data[key] = self[field_name] else: data[key] = [','.join(u) for u in self[field_name]] return data def add_requirements(self, requirements): if self['Metadata-Version'] == '1.1': # we can't have 1.1 metadata *and* Setuptools requires for field in ('Obsoletes', 'Requires', 'Provides'): if field in self: del self[field] self['Requires-Dist'] += requirements # Mapping API # TODO could add iter* variants def keys(self): return list(_version2fieldlist(self['Metadata-Version'])) def __iter__(self): for key in self.keys(): yield key def values(self): return [self[key] for key in self.keys()] def items(self): return [(key, self[key]) for key in self.keys()] def __repr__(self): return '<%s %s %s>' % (self.__class__.__name__, self.name, self.version) METADATA_FILENAME = 'pydist.json' WHEEL_METADATA_FILENAME = 'metadata.json' LEGACY_METADATA_FILENAME = 'METADATA' class Metadata(object): """ The metadata of a release. This implementation uses 2.0 (JSON) metadata where possible. If not possible, it wraps a LegacyMetadata instance which handles the key-value metadata format. """ METADATA_VERSION_MATCHER = re.compile(r'^\d+(\.\d+)*$') NAME_MATCHER = re.compile('^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$', re.I) VERSION_MATCHER = PEP440_VERSION_RE SUMMARY_MATCHER = re.compile('.{1,2047}') METADATA_VERSION = '2.0' GENERATOR = 'distlib (%s)' % __version__ MANDATORY_KEYS = { 'name': (), 'version': (), 'summary': ('legacy',), } INDEX_KEYS = ('name version license summary description author ' 'author_email keywords platform home_page classifiers ' 'download_url') DEPENDENCY_KEYS = ('extras run_requires test_requires build_requires ' 'dev_requires provides meta_requires obsoleted_by ' 'supports_environments') SYNTAX_VALIDATORS = { 'metadata_version': (METADATA_VERSION_MATCHER, ()), 'name': (NAME_MATCHER, ('legacy',)), 'version': (VERSION_MATCHER, ('legacy',)), 'summary': (SUMMARY_MATCHER, ('legacy',)), } __slots__ = ('_legacy', '_data', 'scheme') def __init__(self, path=None, fileobj=None, mapping=None, scheme='default'): if [path, fileobj, mapping].count(None) < 2: raise TypeError('path, fileobj and mapping are exclusive') self._legacy = None self._data = None self.scheme = scheme #import pdb; pdb.set_trace() if mapping is not None: try: self._validate_mapping(mapping, scheme) self._data = mapping except MetadataUnrecognizedVersionError: self._legacy = LegacyMetadata(mapping=mapping, scheme=scheme) self.validate() else: data = None if path: with open(path, 'rb') as f: data = f.read() elif fileobj: data = fileobj.read() if data is None: # Initialised with no args - to be added self._data = { 'metadata_version': self.METADATA_VERSION, 'generator': self.GENERATOR, } else: if not isinstance(data, text_type): data = data.decode('utf-8') try: self._data = json.loads(data) self._validate_mapping(self._data, scheme) except ValueError: # Note: MetadataUnrecognizedVersionError does not # inherit from ValueError (it's a DistlibException, # which should not inherit from ValueError). # The ValueError comes from the json.load - if that # succeeds and we get a validation error, we want # that to propagate self._legacy = LegacyMetadata(fileobj=StringIO(data), scheme=scheme) self.validate() common_keys = set(('name', 'version', 'license', 'keywords', 'summary')) none_list = (None, list) none_dict = (None, dict) mapped_keys = { 'run_requires': ('Requires-Dist', list), 'build_requires': ('Setup-Requires-Dist', list), 'dev_requires': none_list, 'test_requires': none_list, 'meta_requires': none_list, 'extras': ('Provides-Extra', list), 'modules': none_list, 'namespaces': none_list, 'exports': none_dict, 'commands': none_dict, 'classifiers': ('Classifier', list), 'source_url': ('Download-URL', None), 'metadata_version': ('Metadata-Version', None), } del none_list, none_dict def __getattribute__(self, key): common = object.__getattribute__(self, 'common_keys') mapped = object.__getattribute__(self, 'mapped_keys') if key in mapped: lk, maker = mapped[key] if self._legacy: if lk is None: result = None if maker is None else maker() else: result = self._legacy.get(lk) else: value = None if maker is None else maker() if key not in ('commands', 'exports', 'modules', 'namespaces', 'classifiers'): result = self._data.get(key, value) else: # special cases for PEP 459 sentinel = object() result = sentinel d = self._data.get('extensions') if d: if key == 'commands': result = d.get('python.commands', value) elif key == 'classifiers': d = d.get('python.details') if d: result = d.get(key, value) else: d = d.get('python.exports') if not d: d = self._data.get('python.exports') if d: result = d.get(key, value) if result is sentinel: result = value elif key not in common: result = object.__getattribute__(self, key) elif self._legacy: result = self._legacy.get(key) else: result = self._data.get(key) return result def _validate_value(self, key, value, scheme=None): if key in self.SYNTAX_VALIDATORS: pattern, exclusions = self.SYNTAX_VALIDATORS[key] if (scheme or self.scheme) not in exclusions: m = pattern.match(value) if not m: raise MetadataInvalidError("'%s' is an invalid value for " "the '%s' property" % (value, key)) def __setattr__(self, key, value): self._validate_value(key, value) common = object.__getattribute__(self, 'common_keys') mapped = object.__getattribute__(self, 'mapped_keys') if key in mapped: lk, _ = mapped[key] if self._legacy: if lk is None: raise NotImplementedError self._legacy[lk] = value elif key not in ('commands', 'exports', 'modules', 'namespaces', 'classifiers'): self._data[key] = value else: # special cases for PEP 459 d = self._data.setdefault('extensions', {}) if key == 'commands': d['python.commands'] = value elif key == 'classifiers': d = d.setdefault('python.details', {}) d[key] = value else: d = d.setdefault('python.exports', {}) d[key] = value elif key not in common: object.__setattr__(self, key, value) else: if key == 'keywords': if isinstance(value, string_types): value = value.strip() if value: value = value.split() else: value = [] if self._legacy: self._legacy[key] = value else: self._data[key] = value @property def name_and_version(self): return _get_name_and_version(self.name, self.version, True) @property def provides(self): if self._legacy: result = self._legacy['Provides-Dist'] else: result = self._data.setdefault('provides', []) s = '%s (%s)' % (self.name, self.version) if s not in result: result.append(s) return result @provides.setter def provides(self, value): if self._legacy: self._legacy['Provides-Dist'] = value else: self._data['provides'] = value def get_requirements(self, reqts, extras=None, env=None): """ Base method to get dependencies, given a set of extras to satisfy and an optional environment context. :param reqts: A list of sometimes-wanted dependencies, perhaps dependent on extras and environment. :param extras: A list of optional components being requested. :param env: An optional environment for marker evaluation. """ if self._legacy: result = reqts else: result = [] extras = get_extras(extras or [], self.extras) for d in reqts: if 'extra' not in d and 'environment' not in d: # unconditional include = True else: if 'extra' not in d: # Not extra-dependent - only environment-dependent include = True else: include = d.get('extra') in extras if include: # Not excluded because of extras, check environment marker = d.get('environment') if marker: include = interpret(marker, env) if include: result.extend(d['requires']) for key in ('build', 'dev', 'test'): e = ':%s:' % key if e in extras: extras.remove(e) # A recursive call, but it should terminate since 'test' # has been removed from the extras reqts = self._data.get('%s_requires' % key, []) result.extend(self.get_requirements(reqts, extras=extras, env=env)) return result @property def dictionary(self): if self._legacy: return self._from_legacy() return self._data @property def dependencies(self): if self._legacy: raise NotImplementedError else: return extract_by_key(self._data, self.DEPENDENCY_KEYS) @dependencies.setter def dependencies(self, value): if self._legacy: raise NotImplementedError else: self._data.update(value) def _validate_mapping(self, mapping, scheme): if mapping.get('metadata_version') != self.METADATA_VERSION: raise MetadataUnrecognizedVersionError() missing = [] for key, exclusions in self.MANDATORY_KEYS.items(): if key not in mapping: if scheme not in exclusions: missing.append(key) if missing: msg = 'Missing metadata items: %s' % ', '.join(missing) raise MetadataMissingError(msg) for k, v in mapping.items(): self._validate_value(k, v, scheme) def validate(self): if self._legacy: missing, warnings = self._legacy.check(True) if missing or warnings: logger.warning('Metadata: missing: %s, warnings: %s', missing, warnings) else: self._validate_mapping(self._data, self.scheme) def todict(self): if self._legacy: return self._legacy.todict(True) else: result = extract_by_key(self._data, self.INDEX_KEYS) return result def _from_legacy(self): assert self._legacy and not self._data result = { 'metadata_version': self.METADATA_VERSION, 'generator': self.GENERATOR, } lmd = self._legacy.todict(True) # skip missing ones for k in ('name', 'version', 'license', 'summary', 'description', 'classifier'): if k in lmd: if k == 'classifier': nk = 'classifiers' else: nk = k result[nk] = lmd[k] kw = lmd.get('Keywords', []) if kw == ['']: kw = [] result['keywords'] = kw keys = (('requires_dist', 'run_requires'), ('setup_requires_dist', 'build_requires')) for ok, nk in keys: if ok in lmd and lmd[ok]: result[nk] = [{'requires': lmd[ok]}] result['provides'] = self.provides author = {} maintainer = {} return result LEGACY_MAPPING = { 'name': 'Name', 'version': 'Version', ('extensions', 'python.details', 'license'): 'License', 'summary': 'Summary', 'description': 'Description', ('extensions', 'python.project', 'project_urls', 'Home'): 'Home-page', ('extensions', 'python.project', 'contacts', 0, 'name'): 'Author', ('extensions', 'python.project', 'contacts', 0, 'email'): 'Author-email', 'source_url': 'Download-URL', ('extensions', 'python.details', 'classifiers'): 'Classifier', } def _to_legacy(self): def process_entries(entries): reqts = set() for e in entries: extra = e.get('extra') env = e.get('environment') rlist = e['requires'] for r in rlist: if not env and not extra: reqts.add(r) else: marker = '' if extra: marker = 'extra == "%s"' % extra if env: if marker: marker = '(%s) and %s' % (env, marker) else: marker = env reqts.add(';'.join((r, marker))) return reqts assert self._data and not self._legacy result = LegacyMetadata() nmd = self._data # import pdb; pdb.set_trace() for nk, ok in self.LEGACY_MAPPING.items(): if not isinstance(nk, tuple): if nk in nmd: result[ok] = nmd[nk] else: d = nmd found = True for k in nk: try: d = d[k] except (KeyError, IndexError): found = False break if found: result[ok] = d r1 = process_entries(self.run_requires + self.meta_requires) r2 = process_entries(self.build_requires + self.dev_requires) if self.extras: result['Provides-Extra'] = sorted(self.extras) result['Requires-Dist'] = sorted(r1) result['Setup-Requires-Dist'] = sorted(r2) # TODO: any other fields wanted return result def write(self, path=None, fileobj=None, legacy=False, skip_unknown=True): if [path, fileobj].count(None) != 1: raise ValueError('Exactly one of path and fileobj is needed') self.validate() if legacy: if self._legacy: legacy_md = self._legacy else: legacy_md = self._to_legacy() if path: legacy_md.write(path, skip_unknown=skip_unknown) else: legacy_md.write_file(fileobj, skip_unknown=skip_unknown) else: if self._legacy: d = self._from_legacy() else: d = self._data if fileobj: json.dump(d, fileobj, ensure_ascii=True, indent=2, sort_keys=True) else: with codecs.open(path, 'w', 'utf-8') as f: json.dump(d, f, ensure_ascii=True, indent=2, sort_keys=True) def add_requirements(self, requirements): if self._legacy: self._legacy.add_requirements(requirements) else: run_requires = self._data.setdefault('run_requires', []) always = None for entry in run_requires: if 'environment' not in entry and 'extra' not in entry: always = entry break if always is None: always = { 'requires': requirements } run_requires.insert(0, always) else: rset = set(always['requires']) | set(requirements) always['requires'] = sorted(rset) def __repr__(self): name = self.name or '(no name)' version = self.version or 'no version' return '<%s %s %s (%s)>' % (self.__class__.__name__, self.metadata_version, name, version) _vendor/distlib/resources.py 0000644 00000025104 15114542003 0012213 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2013-2017 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # from __future__ import unicode_literals import bisect import io import logging import os import pkgutil import sys import types import zipimport from . import DistlibException from .util import cached_property, get_cache_base, Cache logger = logging.getLogger(__name__) cache = None # created when needed class ResourceCache(Cache): def __init__(self, base=None): if base is None: # Use native string to avoid issues on 2.x: see Python #20140. base = os.path.join(get_cache_base(), str('resource-cache')) super(ResourceCache, self).__init__(base) def is_stale(self, resource, path): """ Is the cache stale for the given resource? :param resource: The :class:`Resource` being cached. :param path: The path of the resource in the cache. :return: True if the cache is stale. """ # Cache invalidation is a hard problem :-) return True def get(self, resource): """ Get a resource into the cache, :param resource: A :class:`Resource` instance. :return: The pathname of the resource in the cache. """ prefix, path = resource.finder.get_cache_info(resource) if prefix is None: result = path else: result = os.path.join(self.base, self.prefix_to_dir(prefix), path) dirname = os.path.dirname(result) if not os.path.isdir(dirname): os.makedirs(dirname) if not os.path.exists(result): stale = True else: stale = self.is_stale(resource, path) if stale: # write the bytes of the resource to the cache location with open(result, 'wb') as f: f.write(resource.bytes) return result class ResourceBase(object): def __init__(self, finder, name): self.finder = finder self.name = name class Resource(ResourceBase): """ A class representing an in-package resource, such as a data file. This is not normally instantiated by user code, but rather by a :class:`ResourceFinder` which manages the resource. """ is_container = False # Backwards compatibility def as_stream(self): """ Get the resource as a stream. This is not a property to make it obvious that it returns a new stream each time. """ return self.finder.get_stream(self) @cached_property def file_path(self): global cache if cache is None: cache = ResourceCache() return cache.get(self) @cached_property def bytes(self): return self.finder.get_bytes(self) @cached_property def size(self): return self.finder.get_size(self) class ResourceContainer(ResourceBase): is_container = True # Backwards compatibility @cached_property def resources(self): return self.finder.get_resources(self) class ResourceFinder(object): """ Resource finder for file system resources. """ if sys.platform.startswith('java'): skipped_extensions = ('.pyc', '.pyo', '.class') else: skipped_extensions = ('.pyc', '.pyo') def __init__(self, module): self.module = module self.loader = getattr(module, '__loader__', None) self.base = os.path.dirname(getattr(module, '__file__', '')) def _adjust_path(self, path): return os.path.realpath(path) def _make_path(self, resource_name): # Issue #50: need to preserve type of path on Python 2.x # like os.path._get_sep if isinstance(resource_name, bytes): # should only happen on 2.x sep = b'/' else: sep = '/' parts = resource_name.split(sep) parts.insert(0, self.base) result = os.path.join(*parts) return self._adjust_path(result) def _find(self, path): return os.path.exists(path) def get_cache_info(self, resource): return None, resource.path def find(self, resource_name): path = self._make_path(resource_name) if not self._find(path): result = None else: if self._is_directory(path): result = ResourceContainer(self, resource_name) else: result = Resource(self, resource_name) result.path = path return result def get_stream(self, resource): return open(resource.path, 'rb') def get_bytes(self, resource): with open(resource.path, 'rb') as f: return f.read() def get_size(self, resource): return os.path.getsize(resource.path) def get_resources(self, resource): def allowed(f): return (f != '__pycache__' and not f.endswith(self.skipped_extensions)) return set([f for f in os.listdir(resource.path) if allowed(f)]) def is_container(self, resource): return self._is_directory(resource.path) _is_directory = staticmethod(os.path.isdir) def iterator(self, resource_name): resource = self.find(resource_name) if resource is not None: todo = [resource] while todo: resource = todo.pop(0) yield resource if resource.is_container: rname = resource.name for name in resource.resources: if not rname: new_name = name else: new_name = '/'.join([rname, name]) child = self.find(new_name) if child.is_container: todo.append(child) else: yield child class ZipResourceFinder(ResourceFinder): """ Resource finder for resources in .zip files. """ def __init__(self, module): super(ZipResourceFinder, self).__init__(module) archive = self.loader.archive self.prefix_len = 1 + len(archive) # PyPy doesn't have a _files attr on zipimporter, and you can't set one if hasattr(self.loader, '_files'): self._files = self.loader._files else: self._files = zipimport._zip_directory_cache[archive] self.index = sorted(self._files) def _adjust_path(self, path): return path def _find(self, path): path = path[self.prefix_len:] if path in self._files: result = True else: if path and path[-1] != os.sep: path = path + os.sep i = bisect.bisect(self.index, path) try: result = self.index[i].startswith(path) except IndexError: result = False if not result: logger.debug('_find failed: %r %r', path, self.loader.prefix) else: logger.debug('_find worked: %r %r', path, self.loader.prefix) return result def get_cache_info(self, resource): prefix = self.loader.archive path = resource.path[1 + len(prefix):] return prefix, path def get_bytes(self, resource): return self.loader.get_data(resource.path) def get_stream(self, resource): return io.BytesIO(self.get_bytes(resource)) def get_size(self, resource): path = resource.path[self.prefix_len:] return self._files[path][3] def get_resources(self, resource): path = resource.path[self.prefix_len:] if path and path[-1] != os.sep: path += os.sep plen = len(path) result = set() i = bisect.bisect(self.index, path) while i < len(self.index): if not self.index[i].startswith(path): break s = self.index[i][plen:] result.add(s.split(os.sep, 1)[0]) # only immediate children i += 1 return result def _is_directory(self, path): path = path[self.prefix_len:] if path and path[-1] != os.sep: path += os.sep i = bisect.bisect(self.index, path) try: result = self.index[i].startswith(path) except IndexError: result = False return result _finder_registry = { type(None): ResourceFinder, zipimport.zipimporter: ZipResourceFinder } try: # In Python 3.6, _frozen_importlib -> _frozen_importlib_external try: import _frozen_importlib_external as _fi except ImportError: import _frozen_importlib as _fi _finder_registry[_fi.SourceFileLoader] = ResourceFinder _finder_registry[_fi.FileFinder] = ResourceFinder # See issue #146 _finder_registry[_fi.SourcelessFileLoader] = ResourceFinder del _fi except (ImportError, AttributeError): pass def register_finder(loader, finder_maker): _finder_registry[type(loader)] = finder_maker _finder_cache = {} def finder(package): """ Return a resource finder for a package. :param package: The name of the package. :return: A :class:`ResourceFinder` instance for the package. """ if package in _finder_cache: result = _finder_cache[package] else: if package not in sys.modules: __import__(package) module = sys.modules[package] path = getattr(module, '__path__', None) if path is None: raise DistlibException('You cannot get a finder for a module, ' 'only for a package') loader = getattr(module, '__loader__', None) finder_maker = _finder_registry.get(type(loader)) if finder_maker is None: raise DistlibException('Unable to locate finder for %r' % package) result = finder_maker(module) _finder_cache[package] = result return result _dummy_module = types.ModuleType(str('__dummy__')) def finder_for_path(path): """ Return a resource finder for a path, which should represent a container. :param path: The path. :return: A :class:`ResourceFinder` instance for the path. """ result = None # calls any path hooks, gets importer into cache pkgutil.get_importer(path) loader = sys.path_importer_cache.get(path) finder = _finder_registry.get(type(loader)) if finder: module = _dummy_module module.__file__ = os.path.join(path, '') module.__loader__ = loader result = finder(module) return result _vendor/distlib/scripts.py 0000644 00000042470 15114542003 0011675 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2013-2015 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # from io import BytesIO import logging import os import re import struct import sys from .compat import sysconfig, detect_encoding, ZipFile from .resources import finder from .util import (FileOperator, get_export_entry, convert_path, get_executable, get_platform, in_venv) logger = logging.getLogger(__name__) _DEFAULT_MANIFEST = ''' <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" processorArchitecture="X86" name="%s" type="win32"/> <!-- Identify the application security requirements. --> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"> <security> <requestedPrivileges> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly>'''.strip() # check if Python is called on the first line with this expression FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$') SCRIPT_TEMPLATE = r'''# -*- coding: utf-8 -*- import re import sys from %(module)s import %(import_name)s if __name__ == '__main__': sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) sys.exit(%(func)s()) ''' def enquote_executable(executable): if ' ' in executable: # make sure we quote only the executable in case of env # for example /usr/bin/env "/dir with spaces/bin/jython" # instead of "/usr/bin/env /dir with spaces/bin/jython" # otherwise whole if executable.startswith('/usr/bin/env '): env, _executable = executable.split(' ', 1) if ' ' in _executable and not _executable.startswith('"'): executable = '%s "%s"' % (env, _executable) else: if not executable.startswith('"'): executable = '"%s"' % executable return executable # Keep the old name around (for now), as there is at least one project using it! _enquote_executable = enquote_executable class ScriptMaker(object): """ A class to copy or create scripts from source scripts or callable specifications. """ script_template = SCRIPT_TEMPLATE executable = None # for shebangs def __init__(self, source_dir, target_dir, add_launchers=True, dry_run=False, fileop=None): self.source_dir = source_dir self.target_dir = target_dir self.add_launchers = add_launchers self.force = False self.clobber = False # It only makes sense to set mode bits on POSIX. self.set_mode = (os.name == 'posix') or (os.name == 'java' and os._name == 'posix') self.variants = set(('', 'X.Y')) self._fileop = fileop or FileOperator(dry_run) self._is_nt = os.name == 'nt' or ( os.name == 'java' and os._name == 'nt') self.version_info = sys.version_info def _get_alternate_executable(self, executable, options): if options.get('gui', False) and self._is_nt: # pragma: no cover dn, fn = os.path.split(executable) fn = fn.replace('python', 'pythonw') executable = os.path.join(dn, fn) return executable if sys.platform.startswith('java'): # pragma: no cover def _is_shell(self, executable): """ Determine if the specified executable is a script (contains a #! line) """ try: with open(executable) as fp: return fp.read(2) == '#!' except (OSError, IOError): logger.warning('Failed to open %s', executable) return False def _fix_jython_executable(self, executable): if self._is_shell(executable): # Workaround for Jython is not needed on Linux systems. import java if java.lang.System.getProperty('os.name') == 'Linux': return executable elif executable.lower().endswith('jython.exe'): # Use wrapper exe for Jython on Windows return executable return '/usr/bin/env %s' % executable def _build_shebang(self, executable, post_interp): """ Build a shebang line. In the simple case (on Windows, or a shebang line which is not too long or contains spaces) use a simple formulation for the shebang. Otherwise, use /bin/sh as the executable, with a contrived shebang which allows the script to run either under Python or sh, using suitable quoting. Thanks to Harald Nordgren for his input. See also: http://www.in-ulm.de/~mascheck/various/shebang/#length https://hg.mozilla.org/mozilla-central/file/tip/mach """ if os.name != 'posix': simple_shebang = True else: # Add 3 for '#!' prefix and newline suffix. shebang_length = len(executable) + len(post_interp) + 3 if sys.platform == 'darwin': max_shebang_length = 512 else: max_shebang_length = 127 simple_shebang = ((b' ' not in executable) and (shebang_length <= max_shebang_length)) if simple_shebang: result = b'#!' + executable + post_interp + b'\n' else: result = b'#!/bin/sh\n' result += b"'''exec' " + executable + post_interp + b' "$0" "$@"\n' result += b"' '''" return result def _get_shebang(self, encoding, post_interp=b'', options=None): enquote = True if self.executable: executable = self.executable enquote = False # assume this will be taken care of elif not sysconfig.is_python_build(): executable = get_executable() elif in_venv(): # pragma: no cover executable = os.path.join(sysconfig.get_path('scripts'), 'python%s' % sysconfig.get_config_var('EXE')) else: # pragma: no cover executable = os.path.join( sysconfig.get_config_var('BINDIR'), 'python%s%s' % (sysconfig.get_config_var('VERSION'), sysconfig.get_config_var('EXE'))) if not os.path.isfile(executable): # for Python builds from source on Windows, no Python executables with # a version suffix are created, so we use python.exe executable = os.path.join(sysconfig.get_config_var('BINDIR'), 'python%s' % (sysconfig.get_config_var('EXE'))) if options: executable = self._get_alternate_executable(executable, options) if sys.platform.startswith('java'): # pragma: no cover executable = self._fix_jython_executable(executable) # Normalise case for Windows - COMMENTED OUT # executable = os.path.normcase(executable) # N.B. The normalising operation above has been commented out: See # issue #124. Although paths in Windows are generally case-insensitive, # they aren't always. For example, a path containing a ẞ (which is a # LATIN CAPITAL LETTER SHARP S - U+1E9E) is normcased to ß (which is a # LATIN SMALL LETTER SHARP S' - U+00DF). The two are not considered by # Windows as equivalent in path names. # If the user didn't specify an executable, it may be necessary to # cater for executable paths with spaces (not uncommon on Windows) if enquote: executable = enquote_executable(executable) # Issue #51: don't use fsencode, since we later try to # check that the shebang is decodable using utf-8. executable = executable.encode('utf-8') # in case of IronPython, play safe and enable frames support if (sys.platform == 'cli' and '-X:Frames' not in post_interp and '-X:FullFrames' not in post_interp): # pragma: no cover post_interp += b' -X:Frames' shebang = self._build_shebang(executable, post_interp) # Python parser starts to read a script using UTF-8 until # it gets a #coding:xxx cookie. The shebang has to be the # first line of a file, the #coding:xxx cookie cannot be # written before. So the shebang has to be decodable from # UTF-8. try: shebang.decode('utf-8') except UnicodeDecodeError: # pragma: no cover raise ValueError( 'The shebang (%r) is not decodable from utf-8' % shebang) # If the script is encoded to a custom encoding (use a # #coding:xxx cookie), the shebang has to be decodable from # the script encoding too. if encoding != 'utf-8': try: shebang.decode(encoding) except UnicodeDecodeError: # pragma: no cover raise ValueError( 'The shebang (%r) is not decodable ' 'from the script encoding (%r)' % (shebang, encoding)) return shebang def _get_script_text(self, entry): return self.script_template % dict(module=entry.prefix, import_name=entry.suffix.split('.')[0], func=entry.suffix) manifest = _DEFAULT_MANIFEST def get_manifest(self, exename): base = os.path.basename(exename) return self.manifest % base def _write_script(self, names, shebang, script_bytes, filenames, ext): use_launcher = self.add_launchers and self._is_nt linesep = os.linesep.encode('utf-8') if not shebang.endswith(linesep): shebang += linesep if not use_launcher: script_bytes = shebang + script_bytes else: # pragma: no cover if ext == 'py': launcher = self._get_launcher('t') else: launcher = self._get_launcher('w') stream = BytesIO() with ZipFile(stream, 'w') as zf: zf.writestr('__main__.py', script_bytes) zip_data = stream.getvalue() script_bytes = launcher + shebang + zip_data for name in names: outname = os.path.join(self.target_dir, name) if use_launcher: # pragma: no cover n, e = os.path.splitext(outname) if e.startswith('.py'): outname = n outname = '%s.exe' % outname try: self._fileop.write_binary_file(outname, script_bytes) except Exception: # Failed writing an executable - it might be in use. logger.warning('Failed to write executable - trying to ' 'use .deleteme logic') dfname = '%s.deleteme' % outname if os.path.exists(dfname): os.remove(dfname) # Not allowed to fail here os.rename(outname, dfname) # nor here self._fileop.write_binary_file(outname, script_bytes) logger.debug('Able to replace executable using ' '.deleteme logic') try: os.remove(dfname) except Exception: pass # still in use - ignore error else: if self._is_nt and not outname.endswith('.' + ext): # pragma: no cover outname = '%s.%s' % (outname, ext) if os.path.exists(outname) and not self.clobber: logger.warning('Skipping existing file %s', outname) continue self._fileop.write_binary_file(outname, script_bytes) if self.set_mode: self._fileop.set_executable_mode([outname]) filenames.append(outname) variant_separator = '-' def get_script_filenames(self, name): result = set() if '' in self.variants: result.add(name) if 'X' in self.variants: result.add('%s%s' % (name, self.version_info[0])) if 'X.Y' in self.variants: result.add('%s%s%s.%s' % (name, self.variant_separator, self.version_info[0], self.version_info[1])) return result def _make_script(self, entry, filenames, options=None): post_interp = b'' if options: args = options.get('interpreter_args', []) if args: args = ' %s' % ' '.join(args) post_interp = args.encode('utf-8') shebang = self._get_shebang('utf-8', post_interp, options=options) script = self._get_script_text(entry).encode('utf-8') scriptnames = self.get_script_filenames(entry.name) if options and options.get('gui', False): ext = 'pyw' else: ext = 'py' self._write_script(scriptnames, shebang, script, filenames, ext) def _copy_script(self, script, filenames): adjust = False script = os.path.join(self.source_dir, convert_path(script)) outname = os.path.join(self.target_dir, os.path.basename(script)) if not self.force and not self._fileop.newer(script, outname): logger.debug('not copying %s (up-to-date)', script) return # Always open the file, but ignore failures in dry-run mode -- # that way, we'll get accurate feedback if we can read the # script. try: f = open(script, 'rb') except IOError: # pragma: no cover if not self.dry_run: raise f = None else: first_line = f.readline() if not first_line: # pragma: no cover logger.warning('%s is an empty file (skipping)', script) return match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n')) if match: adjust = True post_interp = match.group(1) or b'' if not adjust: if f: f.close() self._fileop.copy_file(script, outname) if self.set_mode: self._fileop.set_executable_mode([outname]) filenames.append(outname) else: logger.info('copying and adjusting %s -> %s', script, self.target_dir) if not self._fileop.dry_run: encoding, lines = detect_encoding(f.readline) f.seek(0) shebang = self._get_shebang(encoding, post_interp) if b'pythonw' in first_line: # pragma: no cover ext = 'pyw' else: ext = 'py' n = os.path.basename(outname) self._write_script([n], shebang, f.read(), filenames, ext) if f: f.close() @property def dry_run(self): return self._fileop.dry_run @dry_run.setter def dry_run(self, value): self._fileop.dry_run = value if os.name == 'nt' or (os.name == 'java' and os._name == 'nt'): # pragma: no cover # Executable launcher support. # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/ def _get_launcher(self, kind): if struct.calcsize('P') == 8: # 64-bit bits = '64' else: bits = '32' platform_suffix = '-arm' if get_platform() == 'win-arm64' else '' name = '%s%s%s.exe' % (kind, bits, platform_suffix) # Issue 31: don't hardcode an absolute package name, but # determine it relative to the current package distlib_package = __name__.rsplit('.', 1)[0] resource = finder(distlib_package).find(name) if not resource: msg = ('Unable to find resource %s in package %s' % (name, distlib_package)) raise ValueError(msg) return resource.bytes # Public API follows def make(self, specification, options=None): """ Make a script. :param specification: The specification, which is either a valid export entry specification (to make a script from a callable) or a filename (to make a script by copying from a source location). :param options: A dictionary of options controlling script generation. :return: A list of all absolute pathnames written to. """ filenames = [] entry = get_export_entry(specification) if entry is None: self._copy_script(specification, filenames) else: self._make_script(entry, filenames, options=options) return filenames def make_multiple(self, specifications, options=None): """ Take a list of specifications and make scripts from them, :param specifications: A list of specifications. :return: A list of all absolute pathnames written to, """ filenames = [] for specification in specifications: filenames.extend(self.make(specification, options)) return filenames _vendor/distlib/util.py 0000644 00000205440 15114542003 0011161 0 ustar 00 # # Copyright (C) 2012-2021 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # import codecs from collections import deque import contextlib import csv from glob import iglob as std_iglob import io import json import logging import os import py_compile import re import socket try: import ssl except ImportError: # pragma: no cover ssl = None import subprocess import sys import tarfile import tempfile import textwrap try: import threading except ImportError: # pragma: no cover import dummy_threading as threading import time from . import DistlibException from .compat import (string_types, text_type, shutil, raw_input, StringIO, cache_from_source, urlopen, urljoin, httplib, xmlrpclib, splittype, HTTPHandler, BaseConfigurator, valid_ident, Container, configparser, URLError, ZipFile, fsdecode, unquote, urlparse) logger = logging.getLogger(__name__) # # Requirement parsing code as per PEP 508 # IDENTIFIER = re.compile(r'^([\w\.-]+)\s*') VERSION_IDENTIFIER = re.compile(r'^([\w\.*+-]+)\s*') COMPARE_OP = re.compile(r'^(<=?|>=?|={2,3}|[~!]=)\s*') MARKER_OP = re.compile(r'^((<=?)|(>=?)|={2,3}|[~!]=|in|not\s+in)\s*') OR = re.compile(r'^or\b\s*') AND = re.compile(r'^and\b\s*') NON_SPACE = re.compile(r'(\S+)\s*') STRING_CHUNK = re.compile(r'([\s\w\.{}()*+#:;,/?!~`@$%^&=|<>\[\]-]+)') def parse_marker(marker_string): """ Parse a marker string and return a dictionary containing a marker expression. The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in the expression grammar, or strings. A string contained in quotes is to be interpreted as a literal string, and a string not contained in quotes is a variable (such as os_name). """ def marker_var(remaining): # either identifier, or literal string m = IDENTIFIER.match(remaining) if m: result = m.groups()[0] remaining = remaining[m.end():] elif not remaining: raise SyntaxError('unexpected end of input') else: q = remaining[0] if q not in '\'"': raise SyntaxError('invalid expression: %s' % remaining) oq = '\'"'.replace(q, '') remaining = remaining[1:] parts = [q] while remaining: # either a string chunk, or oq, or q to terminate if remaining[0] == q: break elif remaining[0] == oq: parts.append(oq) remaining = remaining[1:] else: m = STRING_CHUNK.match(remaining) if not m: raise SyntaxError('error in string literal: %s' % remaining) parts.append(m.groups()[0]) remaining = remaining[m.end():] else: s = ''.join(parts) raise SyntaxError('unterminated string: %s' % s) parts.append(q) result = ''.join(parts) remaining = remaining[1:].lstrip() # skip past closing quote return result, remaining def marker_expr(remaining): if remaining and remaining[0] == '(': result, remaining = marker(remaining[1:].lstrip()) if remaining[0] != ')': raise SyntaxError('unterminated parenthesis: %s' % remaining) remaining = remaining[1:].lstrip() else: lhs, remaining = marker_var(remaining) while remaining: m = MARKER_OP.match(remaining) if not m: break op = m.groups()[0] remaining = remaining[m.end():] rhs, remaining = marker_var(remaining) lhs = {'op': op, 'lhs': lhs, 'rhs': rhs} result = lhs return result, remaining def marker_and(remaining): lhs, remaining = marker_expr(remaining) while remaining: m = AND.match(remaining) if not m: break remaining = remaining[m.end():] rhs, remaining = marker_expr(remaining) lhs = {'op': 'and', 'lhs': lhs, 'rhs': rhs} return lhs, remaining def marker(remaining): lhs, remaining = marker_and(remaining) while remaining: m = OR.match(remaining) if not m: break remaining = remaining[m.end():] rhs, remaining = marker_and(remaining) lhs = {'op': 'or', 'lhs': lhs, 'rhs': rhs} return lhs, remaining return marker(marker_string) def parse_requirement(req): """ Parse a requirement passed in as a string. Return a Container whose attributes contain the various parts of the requirement. """ remaining = req.strip() if not remaining or remaining.startswith('#'): return None m = IDENTIFIER.match(remaining) if not m: raise SyntaxError('name expected: %s' % remaining) distname = m.groups()[0] remaining = remaining[m.end():] extras = mark_expr = versions = uri = None if remaining and remaining[0] == '[': i = remaining.find(']', 1) if i < 0: raise SyntaxError('unterminated extra: %s' % remaining) s = remaining[1:i] remaining = remaining[i + 1:].lstrip() extras = [] while s: m = IDENTIFIER.match(s) if not m: raise SyntaxError('malformed extra: %s' % s) extras.append(m.groups()[0]) s = s[m.end():] if not s: break if s[0] != ',': raise SyntaxError('comma expected in extras: %s' % s) s = s[1:].lstrip() if not extras: extras = None if remaining: if remaining[0] == '@': # it's a URI remaining = remaining[1:].lstrip() m = NON_SPACE.match(remaining) if not m: raise SyntaxError('invalid URI: %s' % remaining) uri = m.groups()[0] t = urlparse(uri) # there are issues with Python and URL parsing, so this test # is a bit crude. See bpo-20271, bpo-23505. Python doesn't # always parse invalid URLs correctly - it should raise # exceptions for malformed URLs if not (t.scheme and t.netloc): raise SyntaxError('Invalid URL: %s' % uri) remaining = remaining[m.end():].lstrip() else: def get_versions(ver_remaining): """ Return a list of operator, version tuples if any are specified, else None. """ m = COMPARE_OP.match(ver_remaining) versions = None if m: versions = [] while True: op = m.groups()[0] ver_remaining = ver_remaining[m.end():] m = VERSION_IDENTIFIER.match(ver_remaining) if not m: raise SyntaxError('invalid version: %s' % ver_remaining) v = m.groups()[0] versions.append((op, v)) ver_remaining = ver_remaining[m.end():] if not ver_remaining or ver_remaining[0] != ',': break ver_remaining = ver_remaining[1:].lstrip() # Some packages have a trailing comma which would break things # See issue #148 if not ver_remaining: break m = COMPARE_OP.match(ver_remaining) if not m: raise SyntaxError('invalid constraint: %s' % ver_remaining) if not versions: versions = None return versions, ver_remaining if remaining[0] != '(': versions, remaining = get_versions(remaining) else: i = remaining.find(')', 1) if i < 0: raise SyntaxError('unterminated parenthesis: %s' % remaining) s = remaining[1:i] remaining = remaining[i + 1:].lstrip() # As a special diversion from PEP 508, allow a version number # a.b.c in parentheses as a synonym for ~= a.b.c (because this # is allowed in earlier PEPs) if COMPARE_OP.match(s): versions, _ = get_versions(s) else: m = VERSION_IDENTIFIER.match(s) if not m: raise SyntaxError('invalid constraint: %s' % s) v = m.groups()[0] s = s[m.end():].lstrip() if s: raise SyntaxError('invalid constraint: %s' % s) versions = [('~=', v)] if remaining: if remaining[0] != ';': raise SyntaxError('invalid requirement: %s' % remaining) remaining = remaining[1:].lstrip() mark_expr, remaining = parse_marker(remaining) if remaining and remaining[0] != '#': raise SyntaxError('unexpected trailing data: %s' % remaining) if not versions: rs = distname else: rs = '%s %s' % (distname, ', '.join(['%s %s' % con for con in versions])) return Container(name=distname, extras=extras, constraints=versions, marker=mark_expr, url=uri, requirement=rs) def get_resources_dests(resources_root, rules): """Find destinations for resources files""" def get_rel_path(root, path): # normalizes and returns a lstripped-/-separated path root = root.replace(os.path.sep, '/') path = path.replace(os.path.sep, '/') assert path.startswith(root) return path[len(root):].lstrip('/') destinations = {} for base, suffix, dest in rules: prefix = os.path.join(resources_root, base) for abs_base in iglob(prefix): abs_glob = os.path.join(abs_base, suffix) for abs_path in iglob(abs_glob): resource_file = get_rel_path(resources_root, abs_path) if dest is None: # remove the entry if it was here destinations.pop(resource_file, None) else: rel_path = get_rel_path(abs_base, abs_path) rel_dest = dest.replace(os.path.sep, '/').rstrip('/') destinations[resource_file] = rel_dest + '/' + rel_path return destinations def in_venv(): if hasattr(sys, 'real_prefix'): # virtualenv venvs result = True else: # PEP 405 venvs result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix) return result def get_executable(): # The __PYVENV_LAUNCHER__ dance is apparently no longer needed, as # changes to the stub launcher mean that sys.executable always points # to the stub on OS X # if sys.platform == 'darwin' and ('__PYVENV_LAUNCHER__' # in os.environ): # result = os.environ['__PYVENV_LAUNCHER__'] # else: # result = sys.executable # return result # Avoid normcasing: see issue #143 # result = os.path.normcase(sys.executable) result = sys.executable if not isinstance(result, text_type): result = fsdecode(result) return result def proceed(prompt, allowed_chars, error_prompt=None, default=None): p = prompt while True: s = raw_input(p) p = prompt if not s and default: s = default if s: c = s[0].lower() if c in allowed_chars: break if error_prompt: p = '%c: %s\n%s' % (c, error_prompt, prompt) return c def extract_by_key(d, keys): if isinstance(keys, string_types): keys = keys.split() result = {} for key in keys: if key in d: result[key] = d[key] return result def read_exports(stream): if sys.version_info[0] >= 3: # needs to be a text stream stream = codecs.getreader('utf-8')(stream) # Try to load as JSON, falling back on legacy format data = stream.read() stream = StringIO(data) try: jdata = json.load(stream) result = jdata['extensions']['python.exports']['exports'] for group, entries in result.items(): for k, v in entries.items(): s = '%s = %s' % (k, v) entry = get_export_entry(s) assert entry is not None entries[k] = entry return result except Exception: stream.seek(0, 0) def read_stream(cp, stream): if hasattr(cp, 'read_file'): cp.read_file(stream) else: cp.readfp(stream) cp = configparser.ConfigParser() try: read_stream(cp, stream) except configparser.MissingSectionHeaderError: stream.close() data = textwrap.dedent(data) stream = StringIO(data) read_stream(cp, stream) result = {} for key in cp.sections(): result[key] = entries = {} for name, value in cp.items(key): s = '%s = %s' % (name, value) entry = get_export_entry(s) assert entry is not None #entry.dist = self entries[name] = entry return result def write_exports(exports, stream): if sys.version_info[0] >= 3: # needs to be a text stream stream = codecs.getwriter('utf-8')(stream) cp = configparser.ConfigParser() for k, v in exports.items(): # TODO check k, v for valid values cp.add_section(k) for entry in v.values(): if entry.suffix is None: s = entry.prefix else: s = '%s:%s' % (entry.prefix, entry.suffix) if entry.flags: s = '%s [%s]' % (s, ', '.join(entry.flags)) cp.set(k, entry.name, s) cp.write(stream) @contextlib.contextmanager def tempdir(): td = tempfile.mkdtemp() try: yield td finally: shutil.rmtree(td) @contextlib.contextmanager def chdir(d): cwd = os.getcwd() try: os.chdir(d) yield finally: os.chdir(cwd) @contextlib.contextmanager def socket_timeout(seconds=15): cto = socket.getdefaulttimeout() try: socket.setdefaulttimeout(seconds) yield finally: socket.setdefaulttimeout(cto) class cached_property(object): def __init__(self, func): self.func = func #for attr in ('__name__', '__module__', '__doc__'): # setattr(self, attr, getattr(func, attr, None)) def __get__(self, obj, cls=None): if obj is None: return self value = self.func(obj) object.__setattr__(obj, self.func.__name__, value) #obj.__dict__[self.func.__name__] = value = self.func(obj) return value def convert_path(pathname): """Return 'pathname' as a name that will work on the native filesystem. The path is split on '/' and put back together again using the current directory separator. Needed because filenames in the setup script are always supplied in Unix style, and have to be converted to the local convention before we can actually use them in the filesystem. Raises ValueError on non-Unix-ish systems if 'pathname' either starts or ends with a slash. """ if os.sep == '/': return pathname if not pathname: return pathname if pathname[0] == '/': raise ValueError("path '%s' cannot be absolute" % pathname) if pathname[-1] == '/': raise ValueError("path '%s' cannot end with '/'" % pathname) paths = pathname.split('/') while os.curdir in paths: paths.remove(os.curdir) if not paths: return os.curdir return os.path.join(*paths) class FileOperator(object): def __init__(self, dry_run=False): self.dry_run = dry_run self.ensured = set() self._init_record() def _init_record(self): self.record = False self.files_written = set() self.dirs_created = set() def record_as_written(self, path): if self.record: self.files_written.add(path) def newer(self, source, target): """Tell if the target is newer than the source. Returns true if 'source' exists and is more recently modified than 'target', or if 'source' exists and 'target' doesn't. Returns false if both exist and 'target' is the same age or younger than 'source'. Raise PackagingFileError if 'source' does not exist. Note that this test is not very accurate: files created in the same second will have the same "age". """ if not os.path.exists(source): raise DistlibException("file '%r' does not exist" % os.path.abspath(source)) if not os.path.exists(target): return True return os.stat(source).st_mtime > os.stat(target).st_mtime def copy_file(self, infile, outfile, check=True): """Copy a file respecting dry-run and force flags. """ self.ensure_dir(os.path.dirname(outfile)) logger.info('Copying %s to %s', infile, outfile) if not self.dry_run: msg = None if check: if os.path.islink(outfile): msg = '%s is a symlink' % outfile elif os.path.exists(outfile) and not os.path.isfile(outfile): msg = '%s is a non-regular file' % outfile if msg: raise ValueError(msg + ' which would be overwritten') shutil.copyfile(infile, outfile) self.record_as_written(outfile) def copy_stream(self, instream, outfile, encoding=None): assert not os.path.isdir(outfile) self.ensure_dir(os.path.dirname(outfile)) logger.info('Copying stream %s to %s', instream, outfile) if not self.dry_run: if encoding is None: outstream = open(outfile, 'wb') else: outstream = codecs.open(outfile, 'w', encoding=encoding) try: shutil.copyfileobj(instream, outstream) finally: outstream.close() self.record_as_written(outfile) def write_binary_file(self, path, data): self.ensure_dir(os.path.dirname(path)) if not self.dry_run: if os.path.exists(path): os.remove(path) with open(path, 'wb') as f: f.write(data) self.record_as_written(path) def write_text_file(self, path, data, encoding): self.write_binary_file(path, data.encode(encoding)) def set_mode(self, bits, mask, files): if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'): # Set the executable bits (owner, group, and world) on # all the files specified. for f in files: if self.dry_run: logger.info("changing mode of %s", f) else: mode = (os.stat(f).st_mode | bits) & mask logger.info("changing mode of %s to %o", f, mode) os.chmod(f, mode) set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f) def ensure_dir(self, path): path = os.path.abspath(path) if path not in self.ensured and not os.path.exists(path): self.ensured.add(path) d, f = os.path.split(path) self.ensure_dir(d) logger.info('Creating %s' % path) if not self.dry_run: os.mkdir(path) if self.record: self.dirs_created.add(path) def byte_compile(self, path, optimize=False, force=False, prefix=None, hashed_invalidation=False): dpath = cache_from_source(path, not optimize) logger.info('Byte-compiling %s to %s', path, dpath) if not self.dry_run: if force or self.newer(path, dpath): if not prefix: diagpath = None else: assert path.startswith(prefix) diagpath = path[len(prefix):] compile_kwargs = {} if hashed_invalidation and hasattr(py_compile, 'PycInvalidationMode'): compile_kwargs['invalidation_mode'] = py_compile.PycInvalidationMode.CHECKED_HASH py_compile.compile(path, dpath, diagpath, True, **compile_kwargs) # raise error self.record_as_written(dpath) return dpath def ensure_removed(self, path): if os.path.exists(path): if os.path.isdir(path) and not os.path.islink(path): logger.debug('Removing directory tree at %s', path) if not self.dry_run: shutil.rmtree(path) if self.record: if path in self.dirs_created: self.dirs_created.remove(path) else: if os.path.islink(path): s = 'link' else: s = 'file' logger.debug('Removing %s %s', s, path) if not self.dry_run: os.remove(path) if self.record: if path in self.files_written: self.files_written.remove(path) def is_writable(self, path): result = False while not result: if os.path.exists(path): result = os.access(path, os.W_OK) break parent = os.path.dirname(path) if parent == path: break path = parent return result def commit(self): """ Commit recorded changes, turn off recording, return changes. """ assert self.record result = self.files_written, self.dirs_created self._init_record() return result def rollback(self): if not self.dry_run: for f in list(self.files_written): if os.path.exists(f): os.remove(f) # dirs should all be empty now, except perhaps for # __pycache__ subdirs # reverse so that subdirs appear before their parents dirs = sorted(self.dirs_created, reverse=True) for d in dirs: flist = os.listdir(d) if flist: assert flist == ['__pycache__'] sd = os.path.join(d, flist[0]) os.rmdir(sd) os.rmdir(d) # should fail if non-empty self._init_record() def resolve(module_name, dotted_path): if module_name in sys.modules: mod = sys.modules[module_name] else: mod = __import__(module_name) if dotted_path is None: result = mod else: parts = dotted_path.split('.') result = getattr(mod, parts.pop(0)) for p in parts: result = getattr(result, p) return result class ExportEntry(object): def __init__(self, name, prefix, suffix, flags): self.name = name self.prefix = prefix self.suffix = suffix self.flags = flags @cached_property def value(self): return resolve(self.prefix, self.suffix) def __repr__(self): # pragma: no cover return '<ExportEntry %s = %s:%s %s>' % (self.name, self.prefix, self.suffix, self.flags) def __eq__(self, other): if not isinstance(other, ExportEntry): result = False else: result = (self.name == other.name and self.prefix == other.prefix and self.suffix == other.suffix and self.flags == other.flags) return result __hash__ = object.__hash__ ENTRY_RE = re.compile(r'''(?P<name>(\w|[-.+])+) \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? ''', re.VERBOSE) def get_export_entry(specification): m = ENTRY_RE.search(specification) if not m: result = None if '[' in specification or ']' in specification: raise DistlibException("Invalid specification " "'%s'" % specification) else: d = m.groupdict() name = d['name'] path = d['callable'] colons = path.count(':') if colons == 0: prefix, suffix = path, None else: if colons != 1: raise DistlibException("Invalid specification " "'%s'" % specification) prefix, suffix = path.split(':') flags = d['flags'] if flags is None: if '[' in specification or ']' in specification: raise DistlibException("Invalid specification " "'%s'" % specification) flags = [] else: flags = [f.strip() for f in flags.split(',')] result = ExportEntry(name, prefix, suffix, flags) return result def get_cache_base(suffix=None): """ Return the default base location for distlib caches. If the directory does not exist, it is created. Use the suffix provided for the base directory, and default to '.distlib' if it isn't provided. On Windows, if LOCALAPPDATA is defined in the environment, then it is assumed to be a directory, and will be the parent directory of the result. On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home directory - using os.expanduser('~') - will be the parent directory of the result. The result is just the directory '.distlib' in the parent directory as determined above, or with the name specified with ``suffix``. """ if suffix is None: suffix = '.distlib' if os.name == 'nt' and 'LOCALAPPDATA' in os.environ: result = os.path.expandvars('$localappdata') else: # Assume posix, or old Windows result = os.path.expanduser('~') # we use 'isdir' instead of 'exists', because we want to # fail if there's a file with that name if os.path.isdir(result): usable = os.access(result, os.W_OK) if not usable: logger.warning('Directory exists but is not writable: %s', result) else: try: os.makedirs(result) usable = True except OSError: logger.warning('Unable to create %s', result, exc_info=True) usable = False if not usable: result = tempfile.mkdtemp() logger.warning('Default location unusable, using %s', result) return os.path.join(result, suffix) def path_to_cache_dir(path): """ Convert an absolute path to a directory name for use in a cache. The algorithm used is: #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. #. Any occurrence of ``os.sep`` is replaced with ``'--'``. #. ``'.cache'`` is appended. """ d, p = os.path.splitdrive(os.path.abspath(path)) if d: d = d.replace(':', '---') p = p.replace(os.sep, '--') return d + p + '.cache' def ensure_slash(s): if not s.endswith('/'): return s + '/' return s def parse_credentials(netloc): username = password = None if '@' in netloc: prefix, netloc = netloc.rsplit('@', 1) if ':' not in prefix: username = prefix else: username, password = prefix.split(':', 1) if username: username = unquote(username) if password: password = unquote(password) return username, password, netloc def get_process_umask(): result = os.umask(0o22) os.umask(result) return result def is_string_sequence(seq): result = True i = None for i, s in enumerate(seq): if not isinstance(s, string_types): result = False break assert i is not None return result PROJECT_NAME_AND_VERSION = re.compile('([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-' '([a-z0-9_.+-]+)', re.I) PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)') def split_filename(filename, project_name=None): """ Extract name, version, python version from a filename (no extension) Return name, version, pyver or None """ result = None pyver = None filename = unquote(filename).replace(' ', '-') m = PYTHON_VERSION.search(filename) if m: pyver = m.group(1) filename = filename[:m.start()] if project_name and len(filename) > len(project_name) + 1: m = re.match(re.escape(project_name) + r'\b', filename) if m: n = m.end() result = filename[:n], filename[n + 1:], pyver if result is None: m = PROJECT_NAME_AND_VERSION.match(filename) if m: result = m.group(1), m.group(3), pyver return result # Allow spaces in name because of legacy dists like "Twisted Core" NAME_VERSION_RE = re.compile(r'(?P<name>[\w .-]+)\s*' r'\(\s*(?P<ver>[^\s)]+)\)$') def parse_name_and_version(p): """ A utility method used to get name and version from a string. From e.g. a Provides-Dist value. :param p: A value in a form 'foo (1.0)' :return: The name and version as a tuple. """ m = NAME_VERSION_RE.match(p) if not m: raise DistlibException('Ill-formed name/version string: \'%s\'' % p) d = m.groupdict() return d['name'].strip().lower(), d['ver'] def get_extras(requested, available): result = set() requested = set(requested or []) available = set(available or []) if '*' in requested: requested.remove('*') result |= available for r in requested: if r == '-': result.add(r) elif r.startswith('-'): unwanted = r[1:] if unwanted not in available: logger.warning('undeclared extra: %s' % unwanted) if unwanted in result: result.remove(unwanted) else: if r not in available: logger.warning('undeclared extra: %s' % r) result.add(r) return result # # Extended metadata functionality # def _get_external_data(url): result = {} try: # urlopen might fail if it runs into redirections, # because of Python issue #13696. Fixed in locators # using a custom redirect handler. resp = urlopen(url) headers = resp.info() ct = headers.get('Content-Type') if not ct.startswith('application/json'): logger.debug('Unexpected response for JSON request: %s', ct) else: reader = codecs.getreader('utf-8')(resp) #data = reader.read().decode('utf-8') #result = json.loads(data) result = json.load(reader) except Exception as e: logger.exception('Failed to get external data for %s: %s', url, e) return result _external_data_base_url = 'https://www.red-dove.com/pypi/projects/' def get_project_data(name): url = '%s/%s/project.json' % (name[0].upper(), name) url = urljoin(_external_data_base_url, url) result = _get_external_data(url) return result def get_package_data(name, version): url = '%s/%s/package-%s.json' % (name[0].upper(), name, version) url = urljoin(_external_data_base_url, url) return _get_external_data(url) class Cache(object): """ A class implementing a cache for resources that need to live in the file system e.g. shared libraries. This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. """ def __init__(self, base): """ Initialise an instance. :param base: The base directory where the cache should be located. """ # we use 'isdir' instead of 'exists', because we want to # fail if there's a file with that name if not os.path.isdir(base): # pragma: no cover os.makedirs(base) if (os.stat(base).st_mode & 0o77) != 0: logger.warning('Directory \'%s\' is not private', base) self.base = os.path.abspath(os.path.normpath(base)) def prefix_to_dir(self, prefix): """ Converts a resource prefix to a directory name in the cache. """ return path_to_cache_dir(prefix) def clear(self): """ Clear the cache. """ not_removed = [] for fn in os.listdir(self.base): fn = os.path.join(self.base, fn) try: if os.path.islink(fn) or os.path.isfile(fn): os.remove(fn) elif os.path.isdir(fn): shutil.rmtree(fn) except Exception: not_removed.append(fn) return not_removed class EventMixin(object): """ A very simple publish/subscribe system. """ def __init__(self): self._subscribers = {} def add(self, event, subscriber, append=True): """ Add a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be added (and called when the event is published). :param append: Whether to append or prepend the subscriber to an existing subscriber list for the event. """ subs = self._subscribers if event not in subs: subs[event] = deque([subscriber]) else: sq = subs[event] if append: sq.append(subscriber) else: sq.appendleft(subscriber) def remove(self, event, subscriber): """ Remove a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be removed. """ subs = self._subscribers if event not in subs: raise ValueError('No subscribers: %r' % event) subs[event].remove(subscriber) def get_subscribers(self, event): """ Return an iterator for the subscribers for an event. :param event: The event to return subscribers for. """ return iter(self._subscribers.get(event, ())) def publish(self, event, *args, **kwargs): """ Publish a event and return a list of values returned by its subscribers. :param event: The event to publish. :param args: The positional arguments to pass to the event's subscribers. :param kwargs: The keyword arguments to pass to the event's subscribers. """ result = [] for subscriber in self.get_subscribers(event): try: value = subscriber(event, *args, **kwargs) except Exception: logger.exception('Exception during event publication') value = None result.append(value) logger.debug('publish %s: args = %s, kwargs = %s, result = %s', event, args, kwargs, result) return result # # Simple sequencing # class Sequencer(object): def __init__(self): self._preds = {} self._succs = {} self._nodes = set() # nodes with no preds/succs def add_node(self, node): self._nodes.add(node) def remove_node(self, node, edges=False): if node in self._nodes: self._nodes.remove(node) if edges: for p in set(self._preds.get(node, ())): self.remove(p, node) for s in set(self._succs.get(node, ())): self.remove(node, s) # Remove empties for k, v in list(self._preds.items()): if not v: del self._preds[k] for k, v in list(self._succs.items()): if not v: del self._succs[k] def add(self, pred, succ): assert pred != succ self._preds.setdefault(succ, set()).add(pred) self._succs.setdefault(pred, set()).add(succ) def remove(self, pred, succ): assert pred != succ try: preds = self._preds[succ] succs = self._succs[pred] except KeyError: # pragma: no cover raise ValueError('%r not a successor of anything' % succ) try: preds.remove(pred) succs.remove(succ) except KeyError: # pragma: no cover raise ValueError('%r not a successor of %r' % (succ, pred)) def is_step(self, step): return (step in self._preds or step in self._succs or step in self._nodes) def get_steps(self, final): if not self.is_step(final): raise ValueError('Unknown: %r' % final) result = [] todo = [] seen = set() todo.append(final) while todo: step = todo.pop(0) if step in seen: # if a step was already seen, # move it to the end (so it will appear earlier # when reversed on return) ... but not for the # final step, as that would be confusing for # users if step != final: result.remove(step) result.append(step) else: seen.add(step) result.append(step) preds = self._preds.get(step, ()) todo.extend(preds) return reversed(result) @property def strong_connections(self): #http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm index_counter = [0] stack = [] lowlinks = {} index = {} result = [] graph = self._succs def strongconnect(node): # set the depth index for this node to the smallest unused index index[node] = index_counter[0] lowlinks[node] = index_counter[0] index_counter[0] += 1 stack.append(node) # Consider successors try: successors = graph[node] except Exception: successors = [] for successor in successors: if successor not in lowlinks: # Successor has not yet been visited strongconnect(successor) lowlinks[node] = min(lowlinks[node],lowlinks[successor]) elif successor in stack: # the successor is in the stack and hence in the current # strongly connected component (SCC) lowlinks[node] = min(lowlinks[node],index[successor]) # If `node` is a root node, pop the stack and generate an SCC if lowlinks[node] == index[node]: connected_component = [] while True: successor = stack.pop() connected_component.append(successor) if successor == node: break component = tuple(connected_component) # storing the result result.append(component) for node in graph: if node not in lowlinks: strongconnect(node) return result @property def dot(self): result = ['digraph G {'] for succ in self._preds: preds = self._preds[succ] for pred in preds: result.append(' %s -> %s;' % (pred, succ)) for node in self._nodes: result.append(' %s;' % node) result.append('}') return '\n'.join(result) # # Unarchiving functionality for zip, tar, tgz, tbz, whl # ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz', '.whl') def unarchive(archive_filename, dest_dir, format=None, check=True): def check_path(path): if not isinstance(path, text_type): path = path.decode('utf-8') p = os.path.abspath(os.path.join(dest_dir, path)) if not p.startswith(dest_dir) or p[plen] != os.sep: raise ValueError('path outside destination: %r' % p) dest_dir = os.path.abspath(dest_dir) plen = len(dest_dir) archive = None if format is None: if archive_filename.endswith(('.zip', '.whl')): format = 'zip' elif archive_filename.endswith(('.tar.gz', '.tgz')): format = 'tgz' mode = 'r:gz' elif archive_filename.endswith(('.tar.bz2', '.tbz')): format = 'tbz' mode = 'r:bz2' elif archive_filename.endswith('.tar'): format = 'tar' mode = 'r' else: # pragma: no cover raise ValueError('Unknown format for %r' % archive_filename) try: if format == 'zip': archive = ZipFile(archive_filename, 'r') if check: names = archive.namelist() for name in names: check_path(name) else: archive = tarfile.open(archive_filename, mode) if check: names = archive.getnames() for name in names: check_path(name) if format != 'zip' and sys.version_info[0] < 3: # See Python issue 17153. If the dest path contains Unicode, # tarfile extraction fails on Python 2.x if a member path name # contains non-ASCII characters - it leads to an implicit # bytes -> unicode conversion using ASCII to decode. for tarinfo in archive.getmembers(): if not isinstance(tarinfo.name, text_type): tarinfo.name = tarinfo.name.decode('utf-8') # Limit extraction of dangerous items, if this Python # allows it easily. If not, just trust the input. # See: https://docs.python.org/3/library/tarfile.html#extraction-filters def extraction_filter(member, path): """Run tarfile.tar_fillter, but raise the expected ValueError""" # This is only called if the current Python has tarfile filters try: return tarfile.tar_filter(member, path) except tarfile.FilterError as exc: raise ValueError(str(exc)) archive.extraction_filter = extraction_filter archive.extractall(dest_dir) finally: if archive: archive.close() def zip_dir(directory): """zip a directory tree into a BytesIO object""" result = io.BytesIO() dlen = len(directory) with ZipFile(result, "w") as zf: for root, dirs, files in os.walk(directory): for name in files: full = os.path.join(root, name) rel = root[dlen:] dest = os.path.join(rel, name) zf.write(full, dest) return result # # Simple progress bar # UNITS = ('', 'K', 'M', 'G','T','P') class Progress(object): unknown = 'UNKNOWN' def __init__(self, minval=0, maxval=100): assert maxval is None or maxval >= minval self.min = self.cur = minval self.max = maxval self.started = None self.elapsed = 0 self.done = False def update(self, curval): assert self.min <= curval assert self.max is None or curval <= self.max self.cur = curval now = time.time() if self.started is None: self.started = now else: self.elapsed = now - self.started def increment(self, incr): assert incr >= 0 self.update(self.cur + incr) def start(self): self.update(self.min) return self def stop(self): if self.max is not None: self.update(self.max) self.done = True @property def maximum(self): return self.unknown if self.max is None else self.max @property def percentage(self): if self.done: result = '100 %' elif self.max is None: result = ' ?? %' else: v = 100.0 * (self.cur - self.min) / (self.max - self.min) result = '%3d %%' % v return result def format_duration(self, duration): if (duration <= 0) and self.max is None or self.cur == self.min: result = '??:??:??' #elif duration < 1: # result = '--:--:--' else: result = time.strftime('%H:%M:%S', time.gmtime(duration)) return result @property def ETA(self): if self.done: prefix = 'Done' t = self.elapsed #import pdb; pdb.set_trace() else: prefix = 'ETA ' if self.max is None: t = -1 elif self.elapsed == 0 or (self.cur == self.min): t = 0 else: #import pdb; pdb.set_trace() t = float(self.max - self.min) t /= self.cur - self.min t = (t - 1) * self.elapsed return '%s: %s' % (prefix, self.format_duration(t)) @property def speed(self): if self.elapsed == 0: result = 0.0 else: result = (self.cur - self.min) / self.elapsed for unit in UNITS: if result < 1000: break result /= 1000.0 return '%d %sB/s' % (result, unit) # # Glob functionality # RICH_GLOB = re.compile(r'\{([^}]*)\}') _CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]') _CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$') def iglob(path_glob): """Extended globbing function that supports ** and {opt1,opt2,opt3}.""" if _CHECK_RECURSIVE_GLOB.search(path_glob): msg = """invalid glob %r: recursive glob "**" must be used alone""" raise ValueError(msg % path_glob) if _CHECK_MISMATCH_SET.search(path_glob): msg = """invalid glob %r: mismatching set marker '{' or '}'""" raise ValueError(msg % path_glob) return _iglob(path_glob) def _iglob(path_glob): rich_path_glob = RICH_GLOB.split(path_glob, 1) if len(rich_path_glob) > 1: assert len(rich_path_glob) == 3, rich_path_glob prefix, set, suffix = rich_path_glob for item in set.split(','): for path in _iglob(''.join((prefix, item, suffix))): yield path else: if '**' not in path_glob: for item in std_iglob(path_glob): yield item else: prefix, radical = path_glob.split('**', 1) if prefix == '': prefix = '.' if radical == '': radical = '*' else: # we support both radical = radical.lstrip('/') radical = radical.lstrip('\\') for path, dir, files in os.walk(prefix): path = os.path.normpath(path) for fn in _iglob(os.path.join(path, radical)): yield fn if ssl: from .compat import (HTTPSHandler as BaseHTTPSHandler, match_hostname, CertificateError) # # HTTPSConnection which verifies certificates/matches domains # class HTTPSConnection(httplib.HTTPSConnection): ca_certs = None # set this to the path to the certs file (.pem) check_domain = True # only used if ca_certs is not None # noinspection PyPropertyAccess def connect(self): sock = socket.create_connection((self.host, self.port), self.timeout) if getattr(self, '_tunnel_host', False): self.sock = sock self._tunnel() if not hasattr(ssl, 'SSLContext'): # For 2.x if self.ca_certs: cert_reqs = ssl.CERT_REQUIRED else: cert_reqs = ssl.CERT_NONE self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, cert_reqs=cert_reqs, ssl_version=ssl.PROTOCOL_SSLv23, ca_certs=self.ca_certs) else: # pragma: no cover context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) if hasattr(ssl, 'OP_NO_SSLv2'): context.options |= ssl.OP_NO_SSLv2 if self.cert_file: context.load_cert_chain(self.cert_file, self.key_file) kwargs = {} if self.ca_certs: context.verify_mode = ssl.CERT_REQUIRED context.load_verify_locations(cafile=self.ca_certs) if getattr(ssl, 'HAS_SNI', False): kwargs['server_hostname'] = self.host self.sock = context.wrap_socket(sock, **kwargs) if self.ca_certs and self.check_domain: try: match_hostname(self.sock.getpeercert(), self.host) logger.debug('Host verified: %s', self.host) except CertificateError: # pragma: no cover self.sock.shutdown(socket.SHUT_RDWR) self.sock.close() raise class HTTPSHandler(BaseHTTPSHandler): def __init__(self, ca_certs, check_domain=True): BaseHTTPSHandler.__init__(self) self.ca_certs = ca_certs self.check_domain = check_domain def _conn_maker(self, *args, **kwargs): """ This is called to create a connection instance. Normally you'd pass a connection class to do_open, but it doesn't actually check for a class, and just expects a callable. As long as we behave just as a constructor would have, we should be OK. If it ever changes so that we *must* pass a class, we'll create an UnsafeHTTPSConnection class which just sets check_domain to False in the class definition, and choose which one to pass to do_open. """ result = HTTPSConnection(*args, **kwargs) if self.ca_certs: result.ca_certs = self.ca_certs result.check_domain = self.check_domain return result def https_open(self, req): try: return self.do_open(self._conn_maker, req) except URLError as e: if 'certificate verify failed' in str(e.reason): raise CertificateError('Unable to verify server certificate ' 'for %s' % req.host) else: raise # # To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The- # Middle proxy using HTTP listens on port 443, or an index mistakenly serves # HTML containing a http://xyz link when it should be https://xyz), # you can use the following handler class, which does not allow HTTP traffic. # # It works by inheriting from HTTPHandler - so build_opener won't add a # handler for HTTP itself. # class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler): def http_open(self, req): raise URLError('Unexpected HTTP request on what should be a secure ' 'connection: %s' % req) # # XML-RPC with timeouts # _ver_info = sys.version_info[:2] if _ver_info == (2, 6): class HTTP(httplib.HTTP): def __init__(self, host='', port=None, **kwargs): if port == 0: # 0 means use port 0, not the default port port = None self._setup(self._connection_class(host, port, **kwargs)) if ssl: class HTTPS(httplib.HTTPS): def __init__(self, host='', port=None, **kwargs): if port == 0: # 0 means use port 0, not the default port port = None self._setup(self._connection_class(host, port, **kwargs)) class Transport(xmlrpclib.Transport): def __init__(self, timeout, use_datetime=0): self.timeout = timeout xmlrpclib.Transport.__init__(self, use_datetime) def make_connection(self, host): h, eh, x509 = self.get_host_info(host) if _ver_info == (2, 6): result = HTTP(h, timeout=self.timeout) else: if not self._connection or host != self._connection[0]: self._extra_headers = eh self._connection = host, httplib.HTTPConnection(h) result = self._connection[1] return result if ssl: class SafeTransport(xmlrpclib.SafeTransport): def __init__(self, timeout, use_datetime=0): self.timeout = timeout xmlrpclib.SafeTransport.__init__(self, use_datetime) def make_connection(self, host): h, eh, kwargs = self.get_host_info(host) if not kwargs: kwargs = {} kwargs['timeout'] = self.timeout if _ver_info == (2, 6): result = HTTPS(host, None, **kwargs) else: if not self._connection or host != self._connection[0]: self._extra_headers = eh self._connection = host, httplib.HTTPSConnection(h, None, **kwargs) result = self._connection[1] return result class ServerProxy(xmlrpclib.ServerProxy): def __init__(self, uri, **kwargs): self.timeout = timeout = kwargs.pop('timeout', None) # The above classes only come into play if a timeout # is specified if timeout is not None: # scheme = splittype(uri) # deprecated as of Python 3.8 scheme = urlparse(uri)[0] use_datetime = kwargs.get('use_datetime', 0) if scheme == 'https': tcls = SafeTransport else: tcls = Transport kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime) self.transport = t xmlrpclib.ServerProxy.__init__(self, uri, **kwargs) # # CSV functionality. This is provided because on 2.x, the csv module can't # handle Unicode. However, we need to deal with Unicode in e.g. RECORD files. # def _csv_open(fn, mode, **kwargs): if sys.version_info[0] < 3: mode += 'b' else: kwargs['newline'] = '' # Python 3 determines encoding from locale. Force 'utf-8' # file encoding to match other forced utf-8 encoding kwargs['encoding'] = 'utf-8' return open(fn, mode, **kwargs) class CSVBase(object): defaults = { 'delimiter': str(','), # The strs are used because we need native 'quotechar': str('"'), # str in the csv API (2.x won't take 'lineterminator': str('\n') # Unicode) } def __enter__(self): return self def __exit__(self, *exc_info): self.stream.close() class CSVReader(CSVBase): def __init__(self, **kwargs): if 'stream' in kwargs: stream = kwargs['stream'] if sys.version_info[0] >= 3: # needs to be a text stream stream = codecs.getreader('utf-8')(stream) self.stream = stream else: self.stream = _csv_open(kwargs['path'], 'r') self.reader = csv.reader(self.stream, **self.defaults) def __iter__(self): return self def next(self): result = next(self.reader) if sys.version_info[0] < 3: for i, item in enumerate(result): if not isinstance(item, text_type): result[i] = item.decode('utf-8') return result __next__ = next class CSVWriter(CSVBase): def __init__(self, fn, **kwargs): self.stream = _csv_open(fn, 'w') self.writer = csv.writer(self.stream, **self.defaults) def writerow(self, row): if sys.version_info[0] < 3: r = [] for item in row: if isinstance(item, text_type): item = item.encode('utf-8') r.append(item) row = r self.writer.writerow(row) # # Configurator functionality # class Configurator(BaseConfigurator): value_converters = dict(BaseConfigurator.value_converters) value_converters['inc'] = 'inc_convert' def __init__(self, config, base=None): super(Configurator, self).__init__(config) self.base = base or os.getcwd() def configure_custom(self, config): def convert(o): if isinstance(o, (list, tuple)): result = type(o)([convert(i) for i in o]) elif isinstance(o, dict): if '()' in o: result = self.configure_custom(o) else: result = {} for k in o: result[k] = convert(o[k]) else: result = self.convert(o) return result c = config.pop('()') if not callable(c): c = self.resolve(c) props = config.pop('.', None) # Check for valid identifiers args = config.pop('[]', ()) if args: args = tuple([convert(o) for o in args]) items = [(k, convert(config[k])) for k in config if valid_ident(k)] kwargs = dict(items) result = c(*args, **kwargs) if props: for n, v in props.items(): setattr(result, n, convert(v)) return result def __getitem__(self, key): result = self.config[key] if isinstance(result, dict) and '()' in result: self.config[key] = result = self.configure_custom(result) return result def inc_convert(self, value): """Default converter for the inc:// protocol.""" if not os.path.isabs(value): value = os.path.join(self.base, value) with codecs.open(value, 'r', encoding='utf-8') as f: result = json.load(f) return result class SubprocessMixin(object): """ Mixin for running subprocesses and capturing their output """ def __init__(self, verbose=False, progress=None): self.verbose = verbose self.progress = progress def reader(self, stream, context): """ Read lines from a subprocess' output stream and either pass to a progress callable (if specified) or write progress information to sys.stderr. """ progress = self.progress verbose = self.verbose while True: s = stream.readline() if not s: break if progress is not None: progress(s, context) else: if not verbose: sys.stderr.write('.') else: sys.stderr.write(s.decode('utf-8')) sys.stderr.flush() stream.close() def run_command(self, cmd, **kwargs): p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, **kwargs) t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout')) t1.start() t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr')) t2.start() p.wait() t1.join() t2.join() if self.progress is not None: self.progress('done.', 'main') elif self.verbose: sys.stderr.write('done.\n') return p def normalize_name(name): """Normalize a python package name a la PEP 503""" # https://www.python.org/dev/peps/pep-0503/#normalized-names return re.sub('[-_.]+', '-', name).lower() # def _get_pypirc_command(): # """ # Get the distutils command for interacting with PyPI configurations. # :return: the command. # """ # from distutils.core import Distribution # from distutils.config import PyPIRCCommand # d = Distribution() # return PyPIRCCommand(d) class PyPIRCFile(object): DEFAULT_REPOSITORY = 'https://upload.pypi.org/legacy/' DEFAULT_REALM = 'pypi' def __init__(self, fn=None, url=None): if fn is None: fn = os.path.join(os.path.expanduser('~'), '.pypirc') self.filename = fn self.url = url def read(self): result = {} if os.path.exists(self.filename): repository = self.url or self.DEFAULT_REPOSITORY config = configparser.RawConfigParser() config.read(self.filename) sections = config.sections() if 'distutils' in sections: # let's get the list of servers index_servers = config.get('distutils', 'index-servers') _servers = [server.strip() for server in index_servers.split('\n') if server.strip() != ''] if _servers == []: # nothing set, let's try to get the default pypi if 'pypi' in sections: _servers = ['pypi'] else: for server in _servers: result = {'server': server} result['username'] = config.get(server, 'username') # optional params for key, default in (('repository', self.DEFAULT_REPOSITORY), ('realm', self.DEFAULT_REALM), ('password', None)): if config.has_option(server, key): result[key] = config.get(server, key) else: result[key] = default # work around people having "repository" for the "pypi" # section of their config set to the HTTP (rather than # HTTPS) URL if (server == 'pypi' and repository in (self.DEFAULT_REPOSITORY, 'pypi')): result['repository'] = self.DEFAULT_REPOSITORY elif (result['server'] != repository and result['repository'] != repository): result = {} elif 'server-login' in sections: # old format server = 'server-login' if config.has_option(server, 'repository'): repository = config.get(server, 'repository') else: repository = self.DEFAULT_REPOSITORY result = { 'username': config.get(server, 'username'), 'password': config.get(server, 'password'), 'repository': repository, 'server': server, 'realm': self.DEFAULT_REALM } return result def update(self, username, password): # import pdb; pdb.set_trace() config = configparser.RawConfigParser() fn = self.filename config.read(fn) if not config.has_section('pypi'): config.add_section('pypi') config.set('pypi', 'username', username) config.set('pypi', 'password', password) with open(fn, 'w') as f: config.write(f) def _load_pypirc(index): """ Read the PyPI access configuration as supported by distutils. """ return PyPIRCFile(url=index.url).read() def _store_pypirc(index): PyPIRCFile().update(index.username, index.password) # # get_platform()/get_host_platform() copied from Python 3.10.a0 source, with some minor # tweaks # def get_host_platform(): """Return a string that identifies the current platform. This is used mainly to distinguish platform-specific build directories and platform-specific built distributions. Typically includes the OS name and version and the architecture (as supplied by 'os.uname()'), although the exact information included depends on the OS; eg. on Linux, the kernel version isn't particularly important. Examples of returned values: linux-i586 linux-alpha (?) solaris-2.6-sun4u Windows will return one of: win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc) win32 (all others - specifically, sys.platform is returned) For other non-POSIX platforms, currently just returns 'sys.platform'. """ if os.name == 'nt': if 'amd64' in sys.version.lower(): return 'win-amd64' if '(arm)' in sys.version.lower(): return 'win-arm32' if '(arm64)' in sys.version.lower(): return 'win-arm64' return sys.platform # Set for cross builds explicitly if "_PYTHON_HOST_PLATFORM" in os.environ: return os.environ["_PYTHON_HOST_PLATFORM"] if os.name != 'posix' or not hasattr(os, 'uname'): # XXX what about the architecture? NT is Intel or Alpha, # Mac OS is M68k or PPC, etc. return sys.platform # Try to distinguish various flavours of Unix (osname, host, release, version, machine) = os.uname() # Convert the OS name to lowercase, remove '/' characters, and translate # spaces (for "Power Macintosh") osname = osname.lower().replace('/', '') machine = machine.replace(' ', '_').replace('/', '-') if osname[:5] == 'linux': # At least on Linux/Intel, 'machine' is the processor -- # i386, etc. # XXX what about Alpha, SPARC, etc? return "%s-%s" % (osname, machine) elif osname[:5] == 'sunos': if release[0] >= '5': # SunOS 5 == Solaris 2 osname = 'solaris' release = '%d.%s' % (int(release[0]) - 3, release[2:]) # We can't use 'platform.architecture()[0]' because a # bootstrap problem. We use a dict to get an error # if some suspicious happens. bitness = {2147483647:'32bit', 9223372036854775807:'64bit'} machine += '.%s' % bitness[sys.maxsize] # fall through to standard osname-release-machine representation elif osname[:3] == 'aix': from _aix_support import aix_platform return aix_platform() elif osname[:6] == 'cygwin': osname = 'cygwin' rel_re = re.compile (r'[\d.]+', re.ASCII) m = rel_re.match(release) if m: release = m.group() elif osname[:6] == 'darwin': import _osx_support, distutils.sysconfig osname, release, machine = _osx_support.get_platform_osx( distutils.sysconfig.get_config_vars(), osname, release, machine) return '%s-%s-%s' % (osname, release, machine) _TARGET_TO_PLAT = { 'x86' : 'win32', 'x64' : 'win-amd64', 'arm' : 'win-arm32', } def get_platform(): if os.name != 'nt': return get_host_platform() cross_compilation_target = os.environ.get('VSCMD_ARG_TGT_ARCH') if cross_compilation_target not in _TARGET_TO_PLAT: return get_host_platform() return _TARGET_TO_PLAT[cross_compilation_target] _vendor/distlib/version.py 0000644 00000055731 15114542003 0011677 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2012-2017 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # """ Implementation of a flexible versioning scheme providing support for PEP-440, setuptools-compatible and semantic versioning. """ import logging import re from .compat import string_types from .util import parse_requirement __all__ = ['NormalizedVersion', 'NormalizedMatcher', 'LegacyVersion', 'LegacyMatcher', 'SemanticVersion', 'SemanticMatcher', 'UnsupportedVersionError', 'get_scheme'] logger = logging.getLogger(__name__) class UnsupportedVersionError(ValueError): """This is an unsupported version.""" pass class Version(object): def __init__(self, s): self._string = s = s.strip() self._parts = parts = self.parse(s) assert isinstance(parts, tuple) assert len(parts) > 0 def parse(self, s): raise NotImplementedError('please implement in a subclass') def _check_compatible(self, other): if type(self) != type(other): raise TypeError('cannot compare %r and %r' % (self, other)) def __eq__(self, other): self._check_compatible(other) return self._parts == other._parts def __ne__(self, other): return not self.__eq__(other) def __lt__(self, other): self._check_compatible(other) return self._parts < other._parts def __gt__(self, other): return not (self.__lt__(other) or self.__eq__(other)) def __le__(self, other): return self.__lt__(other) or self.__eq__(other) def __ge__(self, other): return self.__gt__(other) or self.__eq__(other) # See http://docs.python.org/reference/datamodel#object.__hash__ def __hash__(self): return hash(self._parts) def __repr__(self): return "%s('%s')" % (self.__class__.__name__, self._string) def __str__(self): return self._string @property def is_prerelease(self): raise NotImplementedError('Please implement in subclasses.') class Matcher(object): version_class = None # value is either a callable or the name of a method _operators = { '<': lambda v, c, p: v < c, '>': lambda v, c, p: v > c, '<=': lambda v, c, p: v == c or v < c, '>=': lambda v, c, p: v == c or v > c, '==': lambda v, c, p: v == c, '===': lambda v, c, p: v == c, # by default, compatible => >=. '~=': lambda v, c, p: v == c or v > c, '!=': lambda v, c, p: v != c, } # this is a method only to support alternative implementations # via overriding def parse_requirement(self, s): return parse_requirement(s) def __init__(self, s): if self.version_class is None: raise ValueError('Please specify a version class') self._string = s = s.strip() r = self.parse_requirement(s) if not r: raise ValueError('Not valid: %r' % s) self.name = r.name self.key = self.name.lower() # for case-insensitive comparisons clist = [] if r.constraints: # import pdb; pdb.set_trace() for op, s in r.constraints: if s.endswith('.*'): if op not in ('==', '!='): raise ValueError('\'.*\' not allowed for ' '%r constraints' % op) # Could be a partial version (e.g. for '2.*') which # won't parse as a version, so keep it as a string vn, prefix = s[:-2], True # Just to check that vn is a valid version self.version_class(vn) else: # Should parse as a version, so we can create an # instance for the comparison vn, prefix = self.version_class(s), False clist.append((op, vn, prefix)) self._parts = tuple(clist) def match(self, version): """ Check if the provided version matches the constraints. :param version: The version to match against this instance. :type version: String or :class:`Version` instance. """ if isinstance(version, string_types): version = self.version_class(version) for operator, constraint, prefix in self._parts: f = self._operators.get(operator) if isinstance(f, string_types): f = getattr(self, f) if not f: msg = ('%r not implemented ' 'for %s' % (operator, self.__class__.__name__)) raise NotImplementedError(msg) if not f(version, constraint, prefix): return False return True @property def exact_version(self): result = None if len(self._parts) == 1 and self._parts[0][0] in ('==', '==='): result = self._parts[0][1] return result def _check_compatible(self, other): if type(self) != type(other) or self.name != other.name: raise TypeError('cannot compare %s and %s' % (self, other)) def __eq__(self, other): self._check_compatible(other) return self.key == other.key and self._parts == other._parts def __ne__(self, other): return not self.__eq__(other) # See http://docs.python.org/reference/datamodel#object.__hash__ def __hash__(self): return hash(self.key) + hash(self._parts) def __repr__(self): return "%s(%r)" % (self.__class__.__name__, self._string) def __str__(self): return self._string PEP440_VERSION_RE = re.compile(r'^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?' r'(\.(post)(\d+))?(\.(dev)(\d+))?' r'(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$') def _pep_440_key(s): s = s.strip() m = PEP440_VERSION_RE.match(s) if not m: raise UnsupportedVersionError('Not a valid version: %s' % s) groups = m.groups() nums = tuple(int(v) for v in groups[1].split('.')) while len(nums) > 1 and nums[-1] == 0: nums = nums[:-1] if not groups[0]: epoch = 0 else: epoch = int(groups[0][:-1]) pre = groups[4:6] post = groups[7:9] dev = groups[10:12] local = groups[13] if pre == (None, None): pre = () else: pre = pre[0], int(pre[1]) if post == (None, None): post = () else: post = post[0], int(post[1]) if dev == (None, None): dev = () else: dev = dev[0], int(dev[1]) if local is None: local = () else: parts = [] for part in local.split('.'): # to ensure that numeric compares as > lexicographic, avoid # comparing them directly, but encode a tuple which ensures # correct sorting if part.isdigit(): part = (1, int(part)) else: part = (0, part) parts.append(part) local = tuple(parts) if not pre: # either before pre-release, or final release and after if not post and dev: # before pre-release pre = ('a', -1) # to sort before a0 else: pre = ('z',) # to sort after all pre-releases # now look at the state of post and dev. if not post: post = ('_',) # sort before 'a' if not dev: dev = ('final',) #print('%s -> %s' % (s, m.groups())) return epoch, nums, pre, post, dev, local _normalized_key = _pep_440_key class NormalizedVersion(Version): """A rational version. Good: 1.2 # equivalent to "1.2.0" 1.2.0 1.2a1 1.2.3a2 1.2.3b1 1.2.3c1 1.2.3.4 TODO: fill this out Bad: 1 # minimum two numbers 1.2a # release level must have a release serial 1.2.3b """ def parse(self, s): result = _normalized_key(s) # _normalized_key loses trailing zeroes in the release # clause, since that's needed to ensure that X.Y == X.Y.0 == X.Y.0.0 # However, PEP 440 prefix matching needs it: for example, # (~= 1.4.5.0) matches differently to (~= 1.4.5.0.0). m = PEP440_VERSION_RE.match(s) # must succeed groups = m.groups() self._release_clause = tuple(int(v) for v in groups[1].split('.')) return result PREREL_TAGS = set(['a', 'b', 'c', 'rc', 'dev']) @property def is_prerelease(self): return any(t[0] in self.PREREL_TAGS for t in self._parts if t) def _match_prefix(x, y): x = str(x) y = str(y) if x == y: return True if not x.startswith(y): return False n = len(y) return x[n] == '.' class NormalizedMatcher(Matcher): version_class = NormalizedVersion # value is either a callable or the name of a method _operators = { '~=': '_match_compatible', '<': '_match_lt', '>': '_match_gt', '<=': '_match_le', '>=': '_match_ge', '==': '_match_eq', '===': '_match_arbitrary', '!=': '_match_ne', } def _adjust_local(self, version, constraint, prefix): if prefix: strip_local = '+' not in constraint and version._parts[-1] else: # both constraint and version are # NormalizedVersion instances. # If constraint does not have a local component, # ensure the version doesn't, either. strip_local = not constraint._parts[-1] and version._parts[-1] if strip_local: s = version._string.split('+', 1)[0] version = self.version_class(s) return version, constraint def _match_lt(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) if version >= constraint: return False release_clause = constraint._release_clause pfx = '.'.join([str(i) for i in release_clause]) return not _match_prefix(version, pfx) def _match_gt(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) if version <= constraint: return False release_clause = constraint._release_clause pfx = '.'.join([str(i) for i in release_clause]) return not _match_prefix(version, pfx) def _match_le(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) return version <= constraint def _match_ge(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) return version >= constraint def _match_eq(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) if not prefix: result = (version == constraint) else: result = _match_prefix(version, constraint) return result def _match_arbitrary(self, version, constraint, prefix): return str(version) == str(constraint) def _match_ne(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) if not prefix: result = (version != constraint) else: result = not _match_prefix(version, constraint) return result def _match_compatible(self, version, constraint, prefix): version, constraint = self._adjust_local(version, constraint, prefix) if version == constraint: return True if version < constraint: return False # if not prefix: # return True release_clause = constraint._release_clause if len(release_clause) > 1: release_clause = release_clause[:-1] pfx = '.'.join([str(i) for i in release_clause]) return _match_prefix(version, pfx) _REPLACEMENTS = ( (re.compile('[.+-]$'), ''), # remove trailing puncts (re.compile(r'^[.](\d)'), r'0.\1'), # .N -> 0.N at start (re.compile('^[.-]'), ''), # remove leading puncts (re.compile(r'^\((.*)\)$'), r'\1'), # remove parentheses (re.compile(r'^v(ersion)?\s*(\d+)'), r'\2'), # remove leading v(ersion) (re.compile(r'^r(ev)?\s*(\d+)'), r'\2'), # remove leading v(ersion) (re.compile('[.]{2,}'), '.'), # multiple runs of '.' (re.compile(r'\b(alfa|apha)\b'), 'alpha'), # misspelt alpha (re.compile(r'\b(pre-alpha|prealpha)\b'), 'pre.alpha'), # standardise (re.compile(r'\(beta\)$'), 'beta'), # remove parentheses ) _SUFFIX_REPLACEMENTS = ( (re.compile('^[:~._+-]+'), ''), # remove leading puncts (re.compile('[,*")([\\]]'), ''), # remove unwanted chars (re.compile('[~:+_ -]'), '.'), # replace illegal chars (re.compile('[.]{2,}'), '.'), # multiple runs of '.' (re.compile(r'\.$'), ''), # trailing '.' ) _NUMERIC_PREFIX = re.compile(r'(\d+(\.\d+)*)') def _suggest_semantic_version(s): """ Try to suggest a semantic form for a version for which _suggest_normalized_version couldn't come up with anything. """ result = s.strip().lower() for pat, repl in _REPLACEMENTS: result = pat.sub(repl, result) if not result: result = '0.0.0' # Now look for numeric prefix, and separate it out from # the rest. #import pdb; pdb.set_trace() m = _NUMERIC_PREFIX.match(result) if not m: prefix = '0.0.0' suffix = result else: prefix = m.groups()[0].split('.') prefix = [int(i) for i in prefix] while len(prefix) < 3: prefix.append(0) if len(prefix) == 3: suffix = result[m.end():] else: suffix = '.'.join([str(i) for i in prefix[3:]]) + result[m.end():] prefix = prefix[:3] prefix = '.'.join([str(i) for i in prefix]) suffix = suffix.strip() if suffix: #import pdb; pdb.set_trace() # massage the suffix. for pat, repl in _SUFFIX_REPLACEMENTS: suffix = pat.sub(repl, suffix) if not suffix: result = prefix else: sep = '-' if 'dev' in suffix else '+' result = prefix + sep + suffix if not is_semver(result): result = None return result def _suggest_normalized_version(s): """Suggest a normalized version close to the given version string. If you have a version string that isn't rational (i.e. NormalizedVersion doesn't like it) then you might be able to get an equivalent (or close) rational version from this function. This does a number of simple normalizations to the given string, based on observation of versions currently in use on PyPI. Given a dump of those version during PyCon 2009, 4287 of them: - 2312 (53.93%) match NormalizedVersion without change with the automatic suggestion - 3474 (81.04%) match when using this suggestion method @param s {str} An irrational version string. @returns A rational version string, or None, if couldn't determine one. """ try: _normalized_key(s) return s # already rational except UnsupportedVersionError: pass rs = s.lower() # part of this could use maketrans for orig, repl in (('-alpha', 'a'), ('-beta', 'b'), ('alpha', 'a'), ('beta', 'b'), ('rc', 'c'), ('-final', ''), ('-pre', 'c'), ('-release', ''), ('.release', ''), ('-stable', ''), ('+', '.'), ('_', '.'), (' ', ''), ('.final', ''), ('final', '')): rs = rs.replace(orig, repl) # if something ends with dev or pre, we add a 0 rs = re.sub(r"pre$", r"pre0", rs) rs = re.sub(r"dev$", r"dev0", rs) # if we have something like "b-2" or "a.2" at the end of the # version, that is probably beta, alpha, etc # let's remove the dash or dot rs = re.sub(r"([abc]|rc)[\-\.](\d+)$", r"\1\2", rs) # 1.0-dev-r371 -> 1.0.dev371 # 0.1-dev-r79 -> 0.1.dev79 rs = re.sub(r"[\-\.](dev)[\-\.]?r?(\d+)$", r".\1\2", rs) # Clean: 2.0.a.3, 2.0.b1, 0.9.0~c1 rs = re.sub(r"[.~]?([abc])\.?", r"\1", rs) # Clean: v0.3, v1.0 if rs.startswith('v'): rs = rs[1:] # Clean leading '0's on numbers. #TODO: unintended side-effect on, e.g., "2003.05.09" # PyPI stats: 77 (~2%) better rs = re.sub(r"\b0+(\d+)(?!\d)", r"\1", rs) # Clean a/b/c with no version. E.g. "1.0a" -> "1.0a0". Setuptools infers # zero. # PyPI stats: 245 (7.56%) better rs = re.sub(r"(\d+[abc])$", r"\g<1>0", rs) # the 'dev-rNNN' tag is a dev tag rs = re.sub(r"\.?(dev-r|dev\.r)\.?(\d+)$", r".dev\2", rs) # clean the - when used as a pre delimiter rs = re.sub(r"-(a|b|c)(\d+)$", r"\1\2", rs) # a terminal "dev" or "devel" can be changed into ".dev0" rs = re.sub(r"[\.\-](dev|devel)$", r".dev0", rs) # a terminal "dev" can be changed into ".dev0" rs = re.sub(r"(?![\.\-])dev$", r".dev0", rs) # a terminal "final" or "stable" can be removed rs = re.sub(r"(final|stable)$", "", rs) # The 'r' and the '-' tags are post release tags # 0.4a1.r10 -> 0.4a1.post10 # 0.9.33-17222 -> 0.9.33.post17222 # 0.9.33-r17222 -> 0.9.33.post17222 rs = re.sub(r"\.?(r|-|-r)\.?(\d+)$", r".post\2", rs) # Clean 'r' instead of 'dev' usage: # 0.9.33+r17222 -> 0.9.33.dev17222 # 1.0dev123 -> 1.0.dev123 # 1.0.git123 -> 1.0.dev123 # 1.0.bzr123 -> 1.0.dev123 # 0.1a0dev.123 -> 0.1a0.dev123 # PyPI stats: ~150 (~4%) better rs = re.sub(r"\.?(dev|git|bzr)\.?(\d+)$", r".dev\2", rs) # Clean '.pre' (normalized from '-pre' above) instead of 'c' usage: # 0.2.pre1 -> 0.2c1 # 0.2-c1 -> 0.2c1 # 1.0preview123 -> 1.0c123 # PyPI stats: ~21 (0.62%) better rs = re.sub(r"\.?(pre|preview|-c)(\d+)$", r"c\g<2>", rs) # Tcl/Tk uses "px" for their post release markers rs = re.sub(r"p(\d+)$", r".post\1", rs) try: _normalized_key(rs) except UnsupportedVersionError: rs = None return rs # # Legacy version processing (distribute-compatible) # _VERSION_PART = re.compile(r'([a-z]+|\d+|[\.-])', re.I) _VERSION_REPLACE = { 'pre': 'c', 'preview': 'c', '-': 'final-', 'rc': 'c', 'dev': '@', '': None, '.': None, } def _legacy_key(s): def get_parts(s): result = [] for p in _VERSION_PART.split(s.lower()): p = _VERSION_REPLACE.get(p, p) if p: if '0' <= p[:1] <= '9': p = p.zfill(8) else: p = '*' + p result.append(p) result.append('*final') return result result = [] for p in get_parts(s): if p.startswith('*'): if p < '*final': while result and result[-1] == '*final-': result.pop() while result and result[-1] == '00000000': result.pop() result.append(p) return tuple(result) class LegacyVersion(Version): def parse(self, s): return _legacy_key(s) @property def is_prerelease(self): result = False for x in self._parts: if (isinstance(x, string_types) and x.startswith('*') and x < '*final'): result = True break return result class LegacyMatcher(Matcher): version_class = LegacyVersion _operators = dict(Matcher._operators) _operators['~='] = '_match_compatible' numeric_re = re.compile(r'^(\d+(\.\d+)*)') def _match_compatible(self, version, constraint, prefix): if version < constraint: return False m = self.numeric_re.match(str(constraint)) if not m: logger.warning('Cannot compute compatible match for version %s ' ' and constraint %s', version, constraint) return True s = m.groups()[0] if '.' in s: s = s.rsplit('.', 1)[0] return _match_prefix(version, s) # # Semantic versioning # _SEMVER_RE = re.compile(r'^(\d+)\.(\d+)\.(\d+)' r'(-[a-z0-9]+(\.[a-z0-9-]+)*)?' r'(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$', re.I) def is_semver(s): return _SEMVER_RE.match(s) def _semantic_key(s): def make_tuple(s, absent): if s is None: result = (absent,) else: parts = s[1:].split('.') # We can't compare ints and strings on Python 3, so fudge it # by zero-filling numeric values so simulate a numeric comparison result = tuple([p.zfill(8) if p.isdigit() else p for p in parts]) return result m = is_semver(s) if not m: raise UnsupportedVersionError(s) groups = m.groups() major, minor, patch = [int(i) for i in groups[:3]] # choose the '|' and '*' so that versions sort correctly pre, build = make_tuple(groups[3], '|'), make_tuple(groups[5], '*') return (major, minor, patch), pre, build class SemanticVersion(Version): def parse(self, s): return _semantic_key(s) @property def is_prerelease(self): return self._parts[1][0] != '|' class SemanticMatcher(Matcher): version_class = SemanticVersion class VersionScheme(object): def __init__(self, key, matcher, suggester=None): self.key = key self.matcher = matcher self.suggester = suggester def is_valid_version(self, s): try: self.matcher.version_class(s) result = True except UnsupportedVersionError: result = False return result def is_valid_matcher(self, s): try: self.matcher(s) result = True except UnsupportedVersionError: result = False return result def is_valid_constraint_list(self, s): """ Used for processing some metadata fields """ # See issue #140. Be tolerant of a single trailing comma. if s.endswith(','): s = s[:-1] return self.is_valid_matcher('dummy_name (%s)' % s) def suggest(self, s): if self.suggester is None: result = None else: result = self.suggester(s) return result _SCHEMES = { 'normalized': VersionScheme(_normalized_key, NormalizedMatcher, _suggest_normalized_version), 'legacy': VersionScheme(_legacy_key, LegacyMatcher, lambda self, s: s), 'semantic': VersionScheme(_semantic_key, SemanticMatcher, _suggest_semantic_version), } _SCHEMES['default'] = _SCHEMES['normalized'] def get_scheme(name): if name not in _SCHEMES: raise ValueError('unknown scheme name: %r' % name) return _SCHEMES[name] _vendor/distlib/wheel.py 0000644 00000123677 15114542003 0011323 0 ustar 00 # -*- coding: utf-8 -*- # # Copyright (C) 2013-2020 Vinay Sajip. # Licensed to the Python Software Foundation under a contributor agreement. # See LICENSE.txt and CONTRIBUTORS.txt. # from __future__ import unicode_literals import base64 import codecs import datetime from email import message_from_file import hashlib import imp import json import logging import os import posixpath import re import shutil import sys import tempfile import zipfile from . import __version__, DistlibException from .compat import sysconfig, ZipFile, fsdecode, text_type, filter from .database import InstalledDistribution from .metadata import (Metadata, METADATA_FILENAME, WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME) from .util import (FileOperator, convert_path, CSVReader, CSVWriter, Cache, cached_property, get_cache_base, read_exports, tempdir, get_platform) from .version import NormalizedVersion, UnsupportedVersionError logger = logging.getLogger(__name__) cache = None # created when needed if hasattr(sys, 'pypy_version_info'): # pragma: no cover IMP_PREFIX = 'pp' elif sys.platform.startswith('java'): # pragma: no cover IMP_PREFIX = 'jy' elif sys.platform == 'cli': # pragma: no cover IMP_PREFIX = 'ip' else: IMP_PREFIX = 'cp' VER_SUFFIX = sysconfig.get_config_var('py_version_nodot') if not VER_SUFFIX: # pragma: no cover VER_SUFFIX = '%s%s' % sys.version_info[:2] PYVER = 'py' + VER_SUFFIX IMPVER = IMP_PREFIX + VER_SUFFIX ARCH = get_platform().replace('-', '_').replace('.', '_') ABI = sysconfig.get_config_var('SOABI') if ABI and ABI.startswith('cpython-'): ABI = ABI.replace('cpython-', 'cp').split('-')[0] else: def _derive_abi(): parts = ['cp', VER_SUFFIX] if sysconfig.get_config_var('Py_DEBUG'): parts.append('d') if sysconfig.get_config_var('WITH_PYMALLOC'): parts.append('m') if sysconfig.get_config_var('Py_UNICODE_SIZE') == 4: parts.append('u') return ''.join(parts) ABI = _derive_abi() del _derive_abi FILENAME_RE = re.compile(r''' (?P<nm>[^-]+) -(?P<vn>\d+[^-]*) (-(?P<bn>\d+[^-]*))? -(?P<py>\w+\d+(\.\w+\d+)*) -(?P<bi>\w+) -(?P<ar>\w+(\.\w+)*) \.whl$ ''', re.IGNORECASE | re.VERBOSE) NAME_VERSION_RE = re.compile(r''' (?P<nm>[^-]+) -(?P<vn>\d+[^-]*) (-(?P<bn>\d+[^-]*))?$ ''', re.IGNORECASE | re.VERBOSE) SHEBANG_RE = re.compile(br'\s*#![^\r\n]*') SHEBANG_DETAIL_RE = re.compile(br'^(\s*#!("[^"]+"|\S+))\s+(.*)$') SHEBANG_PYTHON = b'#!python' SHEBANG_PYTHONW = b'#!pythonw' if os.sep == '/': to_posix = lambda o: o else: to_posix = lambda o: o.replace(os.sep, '/') class Mounter(object): def __init__(self): self.impure_wheels = {} self.libs = {} def add(self, pathname, extensions): self.impure_wheels[pathname] = extensions self.libs.update(extensions) def remove(self, pathname): extensions = self.impure_wheels.pop(pathname) for k, v in extensions: if k in self.libs: del self.libs[k] def find_module(self, fullname, path=None): if fullname in self.libs: result = self else: result = None return result def load_module(self, fullname): if fullname in sys.modules: result = sys.modules[fullname] else: if fullname not in self.libs: raise ImportError('unable to find extension for %s' % fullname) result = imp.load_dynamic(fullname, self.libs[fullname]) result.__loader__ = self parts = fullname.rsplit('.', 1) if len(parts) > 1: result.__package__ = parts[0] return result _hook = Mounter() class Wheel(object): """ Class to build and install from Wheel files (PEP 427). """ wheel_version = (1, 1) hash_kind = 'sha256' def __init__(self, filename=None, sign=False, verify=False): """ Initialise an instance using a (valid) filename. """ self.sign = sign self.should_verify = verify self.buildver = '' self.pyver = [PYVER] self.abi = ['none'] self.arch = ['any'] self.dirname = os.getcwd() if filename is None: self.name = 'dummy' self.version = '0.1' self._filename = self.filename else: m = NAME_VERSION_RE.match(filename) if m: info = m.groupdict('') self.name = info['nm'] # Reinstate the local version separator self.version = info['vn'].replace('_', '-') self.buildver = info['bn'] self._filename = self.filename else: dirname, filename = os.path.split(filename) m = FILENAME_RE.match(filename) if not m: raise DistlibException('Invalid name or ' 'filename: %r' % filename) if dirname: self.dirname = os.path.abspath(dirname) self._filename = filename info = m.groupdict('') self.name = info['nm'] self.version = info['vn'] self.buildver = info['bn'] self.pyver = info['py'].split('.') self.abi = info['bi'].split('.') self.arch = info['ar'].split('.') @property def filename(self): """ Build and return a filename from the various components. """ if self.buildver: buildver = '-' + self.buildver else: buildver = '' pyver = '.'.join(self.pyver) abi = '.'.join(self.abi) arch = '.'.join(self.arch) # replace - with _ as a local version separator version = self.version.replace('-', '_') return '%s-%s%s-%s-%s-%s.whl' % (self.name, version, buildver, pyver, abi, arch) @property def exists(self): path = os.path.join(self.dirname, self.filename) return os.path.isfile(path) @property def tags(self): for pyver in self.pyver: for abi in self.abi: for arch in self.arch: yield pyver, abi, arch @cached_property def metadata(self): pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) info_dir = '%s.dist-info' % name_ver wrapper = codecs.getreader('utf-8') with ZipFile(pathname, 'r') as zf: wheel_metadata = self.get_wheel_metadata(zf) wv = wheel_metadata['Wheel-Version'].split('.', 1) file_version = tuple([int(i) for i in wv]) # if file_version < (1, 1): # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME, # LEGACY_METADATA_FILENAME] # else: # fns = [WHEEL_METADATA_FILENAME, METADATA_FILENAME] fns = [WHEEL_METADATA_FILENAME, LEGACY_METADATA_FILENAME] result = None for fn in fns: try: metadata_filename = posixpath.join(info_dir, fn) with zf.open(metadata_filename) as bf: wf = wrapper(bf) result = Metadata(fileobj=wf) if result: break except KeyError: pass if not result: raise ValueError('Invalid wheel, because metadata is ' 'missing: looked in %s' % ', '.join(fns)) return result def get_wheel_metadata(self, zf): name_ver = '%s-%s' % (self.name, self.version) info_dir = '%s.dist-info' % name_ver metadata_filename = posixpath.join(info_dir, 'WHEEL') with zf.open(metadata_filename) as bf: wf = codecs.getreader('utf-8')(bf) message = message_from_file(wf) return dict(message) @cached_property def info(self): pathname = os.path.join(self.dirname, self.filename) with ZipFile(pathname, 'r') as zf: result = self.get_wheel_metadata(zf) return result def process_shebang(self, data): m = SHEBANG_RE.match(data) if m: end = m.end() shebang, data_after_shebang = data[:end], data[end:] # Preserve any arguments after the interpreter if b'pythonw' in shebang.lower(): shebang_python = SHEBANG_PYTHONW else: shebang_python = SHEBANG_PYTHON m = SHEBANG_DETAIL_RE.match(shebang) if m: args = b' ' + m.groups()[-1] else: args = b'' shebang = shebang_python + args data = shebang + data_after_shebang else: cr = data.find(b'\r') lf = data.find(b'\n') if cr < 0 or cr > lf: term = b'\n' else: if data[cr:cr + 2] == b'\r\n': term = b'\r\n' else: term = b'\r' data = SHEBANG_PYTHON + term + data return data def get_hash(self, data, hash_kind=None): if hash_kind is None: hash_kind = self.hash_kind try: hasher = getattr(hashlib, hash_kind) except AttributeError: raise DistlibException('Unsupported hash algorithm: %r' % hash_kind) result = hasher(data).digest() result = base64.urlsafe_b64encode(result).rstrip(b'=').decode('ascii') return hash_kind, result def write_record(self, records, record_path, base): records = list(records) # make a copy, as mutated p = to_posix(os.path.relpath(record_path, base)) records.append((p, '', '')) with CSVWriter(record_path) as writer: for row in records: writer.writerow(row) def write_records(self, info, libdir, archive_paths): records = [] distinfo, info_dir = info hasher = getattr(hashlib, self.hash_kind) for ap, p in archive_paths: with open(p, 'rb') as f: data = f.read() digest = '%s=%s' % self.get_hash(data) size = os.path.getsize(p) records.append((ap, digest, size)) p = os.path.join(distinfo, 'RECORD') self.write_record(records, p, libdir) ap = to_posix(os.path.join(info_dir, 'RECORD')) archive_paths.append((ap, p)) def build_zip(self, pathname, archive_paths): with ZipFile(pathname, 'w', zipfile.ZIP_DEFLATED) as zf: for ap, p in archive_paths: logger.debug('Wrote %s to %s in wheel', p, ap) zf.write(p, ap) def build(self, paths, tags=None, wheel_version=None): """ Build a wheel from files in specified paths, and use any specified tags when determining the name of the wheel. """ if tags is None: tags = {} libkey = list(filter(lambda o: o in paths, ('purelib', 'platlib')))[0] if libkey == 'platlib': is_pure = 'false' default_pyver = [IMPVER] default_abi = [ABI] default_arch = [ARCH] else: is_pure = 'true' default_pyver = [PYVER] default_abi = ['none'] default_arch = ['any'] self.pyver = tags.get('pyver', default_pyver) self.abi = tags.get('abi', default_abi) self.arch = tags.get('arch', default_arch) libdir = paths[libkey] name_ver = '%s-%s' % (self.name, self.version) data_dir = '%s.data' % name_ver info_dir = '%s.dist-info' % name_ver archive_paths = [] # First, stuff which is not in site-packages for key in ('data', 'headers', 'scripts'): if key not in paths: continue path = paths[key] if os.path.isdir(path): for root, dirs, files in os.walk(path): for fn in files: p = fsdecode(os.path.join(root, fn)) rp = os.path.relpath(p, path) ap = to_posix(os.path.join(data_dir, key, rp)) archive_paths.append((ap, p)) if key == 'scripts' and not p.endswith('.exe'): with open(p, 'rb') as f: data = f.read() data = self.process_shebang(data) with open(p, 'wb') as f: f.write(data) # Now, stuff which is in site-packages, other than the # distinfo stuff. path = libdir distinfo = None for root, dirs, files in os.walk(path): if root == path: # At the top level only, save distinfo for later # and skip it for now for i, dn in enumerate(dirs): dn = fsdecode(dn) if dn.endswith('.dist-info'): distinfo = os.path.join(root, dn) del dirs[i] break assert distinfo, '.dist-info directory expected, not found' for fn in files: # comment out next suite to leave .pyc files in if fsdecode(fn).endswith(('.pyc', '.pyo')): continue p = os.path.join(root, fn) rp = to_posix(os.path.relpath(p, path)) archive_paths.append((rp, p)) # Now distinfo. Assumed to be flat, i.e. os.listdir is enough. files = os.listdir(distinfo) for fn in files: if fn not in ('RECORD', 'INSTALLER', 'SHARED', 'WHEEL'): p = fsdecode(os.path.join(distinfo, fn)) ap = to_posix(os.path.join(info_dir, fn)) archive_paths.append((ap, p)) wheel_metadata = [ 'Wheel-Version: %d.%d' % (wheel_version or self.wheel_version), 'Generator: distlib %s' % __version__, 'Root-Is-Purelib: %s' % is_pure, ] for pyver, abi, arch in self.tags: wheel_metadata.append('Tag: %s-%s-%s' % (pyver, abi, arch)) p = os.path.join(distinfo, 'WHEEL') with open(p, 'w') as f: f.write('\n'.join(wheel_metadata)) ap = to_posix(os.path.join(info_dir, 'WHEEL')) archive_paths.append((ap, p)) # sort the entries by archive path. Not needed by any spec, but it # keeps the archive listing and RECORD tidier than they would otherwise # be. Use the number of path segments to keep directory entries together, # and keep the dist-info stuff at the end. def sorter(t): ap = t[0] n = ap.count('/') if '.dist-info' in ap: n += 10000 return (n, ap) archive_paths = sorted(archive_paths, key=sorter) # Now, at last, RECORD. # Paths in here are archive paths - nothing else makes sense. self.write_records((distinfo, info_dir), libdir, archive_paths) # Now, ready to build the zip file pathname = os.path.join(self.dirname, self.filename) self.build_zip(pathname, archive_paths) return pathname def skip_entry(self, arcname): """ Determine whether an archive entry should be skipped when verifying or installing. """ # The signature file won't be in RECORD, # and we don't currently don't do anything with it # We also skip directories, as they won't be in RECORD # either. See: # # https://github.com/pypa/wheel/issues/294 # https://github.com/pypa/wheel/issues/287 # https://github.com/pypa/wheel/pull/289 # return arcname.endswith(('/', '/RECORD.jws')) def install(self, paths, maker, **kwargs): """ Install a wheel to the specified paths. If kwarg ``warner`` is specified, it should be a callable, which will be called with two tuples indicating the wheel version of this software and the wheel version in the file, if there is a discrepancy in the versions. This can be used to issue any warnings to raise any exceptions. If kwarg ``lib_only`` is True, only the purelib/platlib files are installed, and the headers, scripts, data and dist-info metadata are not written. If kwarg ``bytecode_hashed_invalidation`` is True, written bytecode will try to use file-hash based invalidation (PEP-552) on supported interpreter versions (CPython 2.7+). The return value is a :class:`InstalledDistribution` instance unless ``options.lib_only`` is True, in which case the return value is ``None``. """ dry_run = maker.dry_run warner = kwargs.get('warner') lib_only = kwargs.get('lib_only', False) bc_hashed_invalidation = kwargs.get('bytecode_hashed_invalidation', False) pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) data_dir = '%s.data' % name_ver info_dir = '%s.dist-info' % name_ver metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME) wheel_metadata_name = posixpath.join(info_dir, 'WHEEL') record_name = posixpath.join(info_dir, 'RECORD') wrapper = codecs.getreader('utf-8') with ZipFile(pathname, 'r') as zf: with zf.open(wheel_metadata_name) as bwf: wf = wrapper(bwf) message = message_from_file(wf) wv = message['Wheel-Version'].split('.', 1) file_version = tuple([int(i) for i in wv]) if (file_version != self.wheel_version) and warner: warner(self.wheel_version, file_version) if message['Root-Is-Purelib'] == 'true': libdir = paths['purelib'] else: libdir = paths['platlib'] records = {} with zf.open(record_name) as bf: with CSVReader(stream=bf) as reader: for row in reader: p = row[0] records[p] = row data_pfx = posixpath.join(data_dir, '') info_pfx = posixpath.join(info_dir, '') script_pfx = posixpath.join(data_dir, 'scripts', '') # make a new instance rather than a copy of maker's, # as we mutate it fileop = FileOperator(dry_run=dry_run) fileop.record = True # so we can rollback if needed bc = not sys.dont_write_bytecode # Double negatives. Lovely! outfiles = [] # for RECORD writing # for script copying/shebang processing workdir = tempfile.mkdtemp() # set target dir later # we default add_launchers to False, as the # Python Launcher should be used instead maker.source_dir = workdir maker.target_dir = None try: for zinfo in zf.infolist(): arcname = zinfo.filename if isinstance(arcname, text_type): u_arcname = arcname else: u_arcname = arcname.decode('utf-8') if self.skip_entry(u_arcname): continue row = records[u_arcname] if row[2] and str(zinfo.file_size) != row[2]: raise DistlibException('size mismatch for ' '%s' % u_arcname) if row[1]: kind, value = row[1].split('=', 1) with zf.open(arcname) as bf: data = bf.read() _, digest = self.get_hash(data, kind) if digest != value: raise DistlibException('digest mismatch for ' '%s' % arcname) if lib_only and u_arcname.startswith((info_pfx, data_pfx)): logger.debug('lib_only: skipping %s', u_arcname) continue is_script = (u_arcname.startswith(script_pfx) and not u_arcname.endswith('.exe')) if u_arcname.startswith(data_pfx): _, where, rp = u_arcname.split('/', 2) outfile = os.path.join(paths[where], convert_path(rp)) else: # meant for site-packages. if u_arcname in (wheel_metadata_name, record_name): continue outfile = os.path.join(libdir, convert_path(u_arcname)) if not is_script: with zf.open(arcname) as bf: fileop.copy_stream(bf, outfile) # Issue #147: permission bits aren't preserved. Using # zf.extract(zinfo, libdir) should have worked, but didn't, # see https://www.thetopsites.net/article/53834422.shtml # So ... manually preserve permission bits as given in zinfo if os.name == 'posix': # just set the normal permission bits os.chmod(outfile, (zinfo.external_attr >> 16) & 0x1FF) outfiles.append(outfile) # Double check the digest of the written file if not dry_run and row[1]: with open(outfile, 'rb') as bf: data = bf.read() _, newdigest = self.get_hash(data, kind) if newdigest != digest: raise DistlibException('digest mismatch ' 'on write for ' '%s' % outfile) if bc and outfile.endswith('.py'): try: pyc = fileop.byte_compile(outfile, hashed_invalidation=bc_hashed_invalidation) outfiles.append(pyc) except Exception: # Don't give up if byte-compilation fails, # but log it and perhaps warn the user logger.warning('Byte-compilation failed', exc_info=True) else: fn = os.path.basename(convert_path(arcname)) workname = os.path.join(workdir, fn) with zf.open(arcname) as bf: fileop.copy_stream(bf, workname) dn, fn = os.path.split(outfile) maker.target_dir = dn filenames = maker.make(fn) fileop.set_executable_mode(filenames) outfiles.extend(filenames) if lib_only: logger.debug('lib_only: returning None') dist = None else: # Generate scripts # Try to get pydist.json so we can see if there are # any commands to generate. If this fails (e.g. because # of a legacy wheel), log a warning but don't give up. commands = None file_version = self.info['Wheel-Version'] if file_version == '1.0': # Use legacy info ep = posixpath.join(info_dir, 'entry_points.txt') try: with zf.open(ep) as bwf: epdata = read_exports(bwf) commands = {} for key in ('console', 'gui'): k = '%s_scripts' % key if k in epdata: commands['wrap_%s' % key] = d = {} for v in epdata[k].values(): s = '%s:%s' % (v.prefix, v.suffix) if v.flags: s += ' [%s]' % ','.join(v.flags) d[v.name] = s except Exception: logger.warning('Unable to read legacy script ' 'metadata, so cannot generate ' 'scripts') else: try: with zf.open(metadata_name) as bwf: wf = wrapper(bwf) commands = json.load(wf).get('extensions') if commands: commands = commands.get('python.commands') except Exception: logger.warning('Unable to read JSON metadata, so ' 'cannot generate scripts') if commands: console_scripts = commands.get('wrap_console', {}) gui_scripts = commands.get('wrap_gui', {}) if console_scripts or gui_scripts: script_dir = paths.get('scripts', '') if not os.path.isdir(script_dir): raise ValueError('Valid script path not ' 'specified') maker.target_dir = script_dir for k, v in console_scripts.items(): script = '%s = %s' % (k, v) filenames = maker.make(script) fileop.set_executable_mode(filenames) if gui_scripts: options = {'gui': True } for k, v in gui_scripts.items(): script = '%s = %s' % (k, v) filenames = maker.make(script, options) fileop.set_executable_mode(filenames) p = os.path.join(libdir, info_dir) dist = InstalledDistribution(p) # Write SHARED paths = dict(paths) # don't change passed in dict del paths['purelib'] del paths['platlib'] paths['lib'] = libdir p = dist.write_shared_locations(paths, dry_run) if p: outfiles.append(p) # Write RECORD dist.write_installed_files(outfiles, paths['prefix'], dry_run) return dist except Exception: # pragma: no cover logger.exception('installation failed.') fileop.rollback() raise finally: shutil.rmtree(workdir) def _get_dylib_cache(self): global cache if cache is None: # Use native string to avoid issues on 2.x: see Python #20140. base = os.path.join(get_cache_base(), str('dylib-cache'), '%s.%s' % sys.version_info[:2]) cache = Cache(base) return cache def _get_extensions(self): pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) info_dir = '%s.dist-info' % name_ver arcname = posixpath.join(info_dir, 'EXTENSIONS') wrapper = codecs.getreader('utf-8') result = [] with ZipFile(pathname, 'r') as zf: try: with zf.open(arcname) as bf: wf = wrapper(bf) extensions = json.load(wf) cache = self._get_dylib_cache() prefix = cache.prefix_to_dir(pathname) cache_base = os.path.join(cache.base, prefix) if not os.path.isdir(cache_base): os.makedirs(cache_base) for name, relpath in extensions.items(): dest = os.path.join(cache_base, convert_path(relpath)) if not os.path.exists(dest): extract = True else: file_time = os.stat(dest).st_mtime file_time = datetime.datetime.fromtimestamp(file_time) info = zf.getinfo(relpath) wheel_time = datetime.datetime(*info.date_time) extract = wheel_time > file_time if extract: zf.extract(relpath, cache_base) result.append((name, dest)) except KeyError: pass return result def is_compatible(self): """ Determine if a wheel is compatible with the running system. """ return is_compatible(self) def is_mountable(self): """ Determine if a wheel is asserted as mountable by its metadata. """ return True # for now - metadata details TBD def mount(self, append=False): pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) if not self.is_compatible(): msg = 'Wheel %s not compatible with this Python.' % pathname raise DistlibException(msg) if not self.is_mountable(): msg = 'Wheel %s is marked as not mountable.' % pathname raise DistlibException(msg) if pathname in sys.path: logger.debug('%s already in path', pathname) else: if append: sys.path.append(pathname) else: sys.path.insert(0, pathname) extensions = self._get_extensions() if extensions: if _hook not in sys.meta_path: sys.meta_path.append(_hook) _hook.add(pathname, extensions) def unmount(self): pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) if pathname not in sys.path: logger.debug('%s not in path', pathname) else: sys.path.remove(pathname) if pathname in _hook.impure_wheels: _hook.remove(pathname) if not _hook.impure_wheels: if _hook in sys.meta_path: sys.meta_path.remove(_hook) def verify(self): pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) data_dir = '%s.data' % name_ver info_dir = '%s.dist-info' % name_ver metadata_name = posixpath.join(info_dir, LEGACY_METADATA_FILENAME) wheel_metadata_name = posixpath.join(info_dir, 'WHEEL') record_name = posixpath.join(info_dir, 'RECORD') wrapper = codecs.getreader('utf-8') with ZipFile(pathname, 'r') as zf: with zf.open(wheel_metadata_name) as bwf: wf = wrapper(bwf) message = message_from_file(wf) wv = message['Wheel-Version'].split('.', 1) file_version = tuple([int(i) for i in wv]) # TODO version verification records = {} with zf.open(record_name) as bf: with CSVReader(stream=bf) as reader: for row in reader: p = row[0] records[p] = row for zinfo in zf.infolist(): arcname = zinfo.filename if isinstance(arcname, text_type): u_arcname = arcname else: u_arcname = arcname.decode('utf-8') # See issue #115: some wheels have .. in their entries, but # in the filename ... e.g. __main__..py ! So the check is # updated to look for .. in the directory portions p = u_arcname.split('/') if '..' in p: raise DistlibException('invalid entry in ' 'wheel: %r' % u_arcname) if self.skip_entry(u_arcname): continue row = records[u_arcname] if row[2] and str(zinfo.file_size) != row[2]: raise DistlibException('size mismatch for ' '%s' % u_arcname) if row[1]: kind, value = row[1].split('=', 1) with zf.open(arcname) as bf: data = bf.read() _, digest = self.get_hash(data, kind) if digest != value: raise DistlibException('digest mismatch for ' '%s' % arcname) def update(self, modifier, dest_dir=None, **kwargs): """ Update the contents of a wheel in a generic way. The modifier should be a callable which expects a dictionary argument: its keys are archive-entry paths, and its values are absolute filesystem paths where the contents the corresponding archive entries can be found. The modifier is free to change the contents of the files pointed to, add new entries and remove entries, before returning. This method will extract the entire contents of the wheel to a temporary location, call the modifier, and then use the passed (and possibly updated) dictionary to write a new wheel. If ``dest_dir`` is specified, the new wheel is written there -- otherwise, the original wheel is overwritten. The modifier should return True if it updated the wheel, else False. This method returns the same value the modifier returns. """ def get_version(path_map, info_dir): version = path = None key = '%s/%s' % (info_dir, LEGACY_METADATA_FILENAME) if key not in path_map: key = '%s/PKG-INFO' % info_dir if key in path_map: path = path_map[key] version = Metadata(path=path).version return version, path def update_version(version, path): updated = None try: v = NormalizedVersion(version) i = version.find('-') if i < 0: updated = '%s+1' % version else: parts = [int(s) for s in version[i + 1:].split('.')] parts[-1] += 1 updated = '%s+%s' % (version[:i], '.'.join(str(i) for i in parts)) except UnsupportedVersionError: logger.debug('Cannot update non-compliant (PEP-440) ' 'version %r', version) if updated: md = Metadata(path=path) md.version = updated legacy = path.endswith(LEGACY_METADATA_FILENAME) md.write(path=path, legacy=legacy) logger.debug('Version updated from %r to %r', version, updated) pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) info_dir = '%s.dist-info' % name_ver record_name = posixpath.join(info_dir, 'RECORD') with tempdir() as workdir: with ZipFile(pathname, 'r') as zf: path_map = {} for zinfo in zf.infolist(): arcname = zinfo.filename if isinstance(arcname, text_type): u_arcname = arcname else: u_arcname = arcname.decode('utf-8') if u_arcname == record_name: continue if '..' in u_arcname: raise DistlibException('invalid entry in ' 'wheel: %r' % u_arcname) zf.extract(zinfo, workdir) path = os.path.join(workdir, convert_path(u_arcname)) path_map[u_arcname] = path # Remember the version. original_version, _ = get_version(path_map, info_dir) # Files extracted. Call the modifier. modified = modifier(path_map, **kwargs) if modified: # Something changed - need to build a new wheel. current_version, path = get_version(path_map, info_dir) if current_version and (current_version == original_version): # Add or update local version to signify changes. update_version(current_version, path) # Decide where the new wheel goes. if dest_dir is None: fd, newpath = tempfile.mkstemp(suffix='.whl', prefix='wheel-update-', dir=workdir) os.close(fd) else: if not os.path.isdir(dest_dir): raise DistlibException('Not a directory: %r' % dest_dir) newpath = os.path.join(dest_dir, self.filename) archive_paths = list(path_map.items()) distinfo = os.path.join(workdir, info_dir) info = distinfo, info_dir self.write_records(info, workdir, archive_paths) self.build_zip(newpath, archive_paths) if dest_dir is None: shutil.copyfile(newpath, pathname) return modified def _get_glibc_version(): import platform ver = platform.libc_ver() result = [] if ver[0] == 'glibc': for s in ver[1].split('.'): result.append(int(s) if s.isdigit() else 0) result = tuple(result) return result def compatible_tags(): """ Return (pyver, abi, arch) tuples compatible with this Python. """ versions = [VER_SUFFIX] major = VER_SUFFIX[0] for minor in range(sys.version_info[1] - 1, - 1, -1): versions.append(''.join([major, str(minor)])) abis = [] for suffix, _, _ in imp.get_suffixes(): if suffix.startswith('.abi'): abis.append(suffix.split('.', 2)[1]) abis.sort() if ABI != 'none': abis.insert(0, ABI) abis.append('none') result = [] arches = [ARCH] if sys.platform == 'darwin': m = re.match(r'(\w+)_(\d+)_(\d+)_(\w+)$', ARCH) if m: name, major, minor, arch = m.groups() minor = int(minor) matches = [arch] if arch in ('i386', 'ppc'): matches.append('fat') if arch in ('i386', 'ppc', 'x86_64'): matches.append('fat3') if arch in ('ppc64', 'x86_64'): matches.append('fat64') if arch in ('i386', 'x86_64'): matches.append('intel') if arch in ('i386', 'x86_64', 'intel', 'ppc', 'ppc64'): matches.append('universal') while minor >= 0: for match in matches: s = '%s_%s_%s_%s' % (name, major, minor, match) if s != ARCH: # already there arches.append(s) minor -= 1 # Most specific - our Python version, ABI and arch for abi in abis: for arch in arches: result.append((''.join((IMP_PREFIX, versions[0])), abi, arch)) # manylinux if abi != 'none' and sys.platform.startswith('linux'): arch = arch.replace('linux_', '') parts = _get_glibc_version() if len(parts) == 2: if parts >= (2, 5): result.append((''.join((IMP_PREFIX, versions[0])), abi, 'manylinux1_%s' % arch)) if parts >= (2, 12): result.append((''.join((IMP_PREFIX, versions[0])), abi, 'manylinux2010_%s' % arch)) if parts >= (2, 17): result.append((''.join((IMP_PREFIX, versions[0])), abi, 'manylinux2014_%s' % arch)) result.append((''.join((IMP_PREFIX, versions[0])), abi, 'manylinux_%s_%s_%s' % (parts[0], parts[1], arch))) # where no ABI / arch dependency, but IMP_PREFIX dependency for i, version in enumerate(versions): result.append((''.join((IMP_PREFIX, version)), 'none', 'any')) if i == 0: result.append((''.join((IMP_PREFIX, version[0])), 'none', 'any')) # no IMP_PREFIX, ABI or arch dependency for i, version in enumerate(versions): result.append((''.join(('py', version)), 'none', 'any')) if i == 0: result.append((''.join(('py', version[0])), 'none', 'any')) return set(result) COMPATIBLE_TAGS = compatible_tags() del compatible_tags def is_compatible(wheel, tags=None): if not isinstance(wheel, Wheel): wheel = Wheel(wheel) # assume it's a filename result = False if tags is None: tags = COMPATIBLE_TAGS for ver, abi, arch in tags: if ver in wheel.pyver and abi in wheel.abi and arch in wheel.arch: result = True break return result _vendor/html5lib/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000002362 15114542003 0017255 0 ustar 00 a [��f� � @ s` d Z ddlmZmZmZ ddlmZmZmZ ddl m Z ddl m Z ddl mZ g d�Zd Zd S ) a� HTML parsing library based on the `WHATWG HTML specification <https://whatwg.org/html>`_. 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r r� �scriptDataEndTagNameStater r+ r@ r rF ry rz r% r% r& r� : s z'HTMLTokenizer.scriptDataEndTagOpenStatec C s | j o | j d �� | j�� k}| j�� }|tv rT|rTtd | jg dd�| _ | j| _n�|dkr�|r�td | jg dd�| _ | j | _n||dkr�|r�td | jg dd�| _ | � � | j | _nH|t v r�| j|7 _n0| j �td d| j d �� | j�|� | j| _d S r� )r r� r� r r? r r r� r r� rh r r r+ r@ rF ry r� r% r% r& r� E s: � � � � z'HTMLTokenizer.scriptDataEndTagNameStatec C sJ | j �� }|dkr2| j�td dd�� | j| _n| j �|� | j| _dS �N�-rU r( T) r r? r+ r@ r � scriptDataEscapeStartDashStater rF ry rz r% r% r& r� a s z(HTMLTokenizer.scriptDataEscapeStartStatec C sJ | j �� }|dkr2| j�td dd�� | j| _n| j �|� | j| _dS r� ) r r? r+ r@ r � scriptDataEscapedDashDashStater rF ry rz r% r% r& r� k s z,HTMLTokenizer.scriptDataEscapeStartDashStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrD| j| _nn|dkrz| j�td dd�� | j�td dd�� n8|tkr�| j | _n&| j � d �}| j�td || d�� d S ) Nr� rU r( rN ri r' rj r7 )rN r� ri T) r r? r+ r@ r �scriptDataEscapedDashStater �"scriptDataEscapedLessThanSignStater r rn ro r% r% r& �scriptDataEscapedStateu s( � � �z$HTMLTokenizer.scriptDataEscapedStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrD| j| _nn|dkr�| j�td dd�� | j�td dd�� | j| _n0|t kr�| j | _n | j�td |d�� | j| _d S ) Nr� rU r( rN ri r' rj r7 T) r r? 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r r r� r r� rh r r r+ r@ rF r� r� r% r% r& r� � s: � � � � z.HTMLTokenizer.scriptDataEscapedEndTagNameStatec C s� | j �� }|ttd�B v rR| j�td |d�� | j�� dkrH| j | _ q�| j | _ nB|t v r�| j�td |d�� | j|7 _n| j � |� | j | _ dS �N)r} r~ rU r( ZscriptT)r r? r rC r+ r@ r r� r� � scriptDataDoubleEscapedStater r� r rF rz r% r% r& r� � s z.HTMLTokenizer.scriptDataDoubleEscapeStartStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrZ| j�td dd�� | j| _nt|dkr�| j�td dd�� | j�td dd�� n>|tkr�| j�td d d�� | j | _n| j�td |d�� d S � Nr� rU r( rN ri r' rj r7 �eof-in-script-in-scriptT) r r? r+ r@ r � scriptDataDoubleEscapedDashStater �(scriptDataDoubleEscapedLessThanSignStater r rz r% r% r& r� � s* � � � z*HTMLTokenizer.scriptDataDoubleEscapedStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrZ| j�td dd�� | j| _n�|dkr�| j�td dd�� | j�td dd�� | j| _nF|t kr�| j�td d d�� | j | _n | j�td |d�� | j| _d S r� ) r r? r+ r@ r �$scriptDataDoubleEscapedDashDashStater r� r� r r rz r% r% r& r� s. � � � z.HTMLTokenizer.scriptDataDoubleEscapedDashStatec C s | j �� }|dkr*| j�td dd�� n�|dkrR| j�td dd�� | j| _n�|dkrz| j�td dd�� | j| _n�|dkr�| j�td dd�� | j�td d d�� | j| _nF|t kr�| j�td d d�� | j | _n | j�td |d�� | j| _d S ) Nr� rU r( rN r~ ri r' rj r7 r� T) r r? r+ r@ r r� r ry r� r r rz r% r% r& r� % s2 � � � z2HTMLTokenizer.scriptDataDoubleEscapedDashDashStatec C sP | j �� }|dkr8| j�td dd�� d| _| j| _n| j �|� | j | _dS )Nr} rU r( r3 T) r r? r+ r@ r r� � scriptDataDoubleEscapeEndStater rF r� rz r% r% r& r� > s z6HTMLTokenizer.scriptDataDoubleEscapedLessThanSignStatec C s� | j �� }|ttd�B v rR| j�td |d�� | j�� dkrH| j | _ q�| j | _ nB|t v r�| j�td |d�� | j|7 _n| j � |� | j | _ dS r� )r r? r rC r+ r@ r r� r� r� r r� r rF rz r% r% r& r� I s z,HTMLTokenizer.scriptDataDoubleEscapeEndStatec C s0 | j �� }|tv r$| j �td� �n|tv rJ| jd �|dg� | j| _n�|dkr\| � � n�|dkrn| j | _n�|dv r�| j �t d dd �� | jd �|dg� | j| _n�|d kr�| j �t d d d �� | jd �d dg� | j| _nF|t u �r| j �t d d d �� | j| _n | jd �|dg� | j| _dS )NTr* r3 r~ r} )�'�"rS rN r' �#invalid-character-in-attribute-namer( ri rj r7 z#expected-attribute-name-but-got-eof)r r? r rn r r r@ �attributeNameStater rh r� r+ r r r rz r% r% r& r� Y s< � � � z&HTMLTokenizer.beforeAttributeNameStatec C s� | j �� }d}d}|dkr&| j| _�n.|tv r\| jd d d || j �td� 7 < d}n�|dkrjd}n�|tv r|| j| _n�|dkr�| j | _n�|d kr�| j � t d d d �� | jd d d d 7 < d}n�|dv �r | j � t d dd �� | jd d d |7 < d}nH|t u �r6| j � t d dd �� | j| _n | jd d d |7 < d}|�r�| jd d d �t�| jd d d< | jd d d� D ]>\}}| jd d d |k�r�| j � t d dd �� �qҐq�|�r�| �� dS )NTFrS r* rP r r~ r} ri r' rj r( r7 �r� r� rN r� zeof-in-attribute-namezduplicate-attribute)r r? �beforeAttributeValueStater r r rn r �afterAttributeNameStater� r+ r@ r r r rc r rh )r! r* ZleavingThisStateZ emitTokenr_ �_r% r% r& r� w s^ � � � � � � z HTMLTokenizer.attributeNameStatec C sD | j �� }|tv r$| j �td� �n |dkr8| j| _�n|dkrJ| �� n�|tv rp| jd � |dg� | j | _n�|dkr�| j | _n�|dkr�| j � t d d d �� | jd � d dg� | j | _n�|d v r�| j � t d d d �� | jd � |dg� | j | _nF|tu �r$| j � t d dd �� | j| _n | jd � |dg� | j | _dS )NTrS r~ r* r3 r} ri r' rj r( r7 r� z&invalid-character-after-attribute-namez expected-end-of-tag-but-got-eof)r r? r rn r� r rh r r r@ r� r� r+ r r r rz r% r% r& r� � s@ � � � z%HTMLTokenizer.afterAttributeNameStatec C sh | j �� }|tv r$| j �td� �n@|dkr8| j| _�n,|dkrX| j| _| j �|� �n |dkrj| j| _n�|dkr�| j � t d dd�� | � � n�|d kr�| j � t d d d�� | j d d d d7 < | j| _n�|dv �r| j � t d dd�� | j d d d |7 < | j| _nL|tu �rB| j � t d dd�� | j| _n"| j d d d |7 < | j| _dS )NTr� rM r� r~ r' z.expected-attribute-value-but-got-right-bracketr( ri rj r* rP r r7 )rS rN �`z"equals-in-unquoted-attribute-valuez$expected-attribute-value-but-got-eof)r r? r rn � attributeValueDoubleQuotedStater �attributeValueUnQuotedStaterF � attributeValueSingleQuotedStater+ r@ r rh r r r rz r% r% r& r� � sF � � � � z'HTMLTokenizer.beforeAttributeValueStatec C s� | j �� }|dkr | j| _n�|dkr0| �d� n�|dkrj| j�td dd�� | jd d d d 7 < nN|t u r�| j�td d d�� | j | _n&| jd d d || j � d � 7 < d S )Nr� rM ri r' rj r( r* rP r r7 z#eof-in-attribute-value-double-quote)r� rM ri T� r r? �afterAttributeValueStater r^ r+ r@ r r r r rn rz r% r% r& r� � s& � � �z-HTMLTokenizer.attributeValueDoubleQuotedStatec C s� | j �� }|dkr | j| _n�|dkr0| �d� n�|dkrj| j�td dd�� | jd d d d 7 < nN|t u r�| j�td d d�� | j | _n&| jd d d || j � d � 7 < d S )Nr� rM ri r' rj r( r* rP r r7 z#eof-in-attribute-value-single-quote)r� rM ri Tr� rz r% r% r& r� s& � � �z-HTMLTokenizer.attributeValueSingleQuotedStatec C s | j �� }|tv r | j| _n�|dkr0| �d� n�|dkrB| �� n�|dv r|| j�t d dd�� | j d d d |7 < n�|d kr�| j�t d d d�� | j d d d d 7 < nV|t u r�| j�t d d d�� | j | _n.| j d d d || j � td�tB � 7 < dS )NrM r~ )r� r� rS rN r� r' z0unexpected-character-in-unquoted-attribute-valuer( r* rP r ri rj r7 z eof-in-attribute-value-no-quotes)rM r~ r� r� rS rN r� ri T)r r? r r� r r^ rh r+ r@ r r r r rn rC rz r% r% r& r� s4 � � � � z)HTMLTokenizer.attributeValueUnQuotedStatec C s� | j �� }|tv r | j| _n�|dkr.| �� np|dkr@| j| _n^|tu rt| j� t d dd�� | j � |� | j | _n*| j� t d dd�� | j � |� | j| _dS )Nr~ r} r' z$unexpected-EOF-after-attribute-valuer( z*unexpected-character-after-attribute-valueT) r r? r r� r rh r� r r+ r@ r rF r rz r% r% r& r� . s& � � z&HTMLTokenizer.afterAttributeValueStatec C s� | j �� }|dkr&d| jd< | �� n^|tu rZ| j�td dd�� | j �|� | j | _ n*| j�td dd�� | j �|� | j | _ dS )Nr~ Trb r' z#unexpected-EOF-after-solidus-in-tagr( z)unexpected-character-after-solidus-in-tag) r r? r rh r r+ r@ r rF r r r� rz r% r% r& r� B s � � z&HTMLTokenizer.selfClosingStartTagStatec C sD | j �d�}|�dd�}| j�td |d�� | j �� | j| _dS )Nr~ ri r7 �Commentr( T) r rn �replacer+ r@ r r? r r rz r% r% r& r� T s � z HTMLTokenizer.bogusCommentStatec C s� | j �� g}|d dkrR|�| j �� � |d dkrPtd dd�| _| j| _dS n�|d dv r�d}dD ](}|�| j �� � |d |vrfd } q�qf|r�td dd d dd �| _| j| _dS n�|d d k�rD| jd u�rD| jj j �rD| jj j d j | jj j k�rDd}d D ].}|�| j �� � |d |k�rd } �q2�q|�rD| j | _dS | j�td dd�� |�rt| j �|�� � �qZ| j| _dS )NrP r� r� r3 r( T)�d�D))�o�O�rJ �C��t�T��y�Y��p�P��e�EFZDoctype)r) r_ �publicId�systemId�correct�[)r� r� �Ar� r� r� r' zexpected-dashes-or-doctype)r r? 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r r� �scriptDataEndTagNameStater r+ r@ r rF ry rz r% r% r& r� : s z'HTMLTokenizer.scriptDataEndTagOpenStatec C s | j o | j d �� | j�� k}| j�� }|tv rT|rTtd | jg dd�| _ | j| _n�|dkr�|r�td | jg dd�| _ | j | _n||dkr�|r�td | jg dd�| _ | � � | j | _nH|t v r�| j|7 _n0| j �td d| j d �� | j�|� | j| _d S r� )r r� r� r r? r r r� r r� rh r r r+ r@ rF ry r� r% r% r& r� E s: � � � � z'HTMLTokenizer.scriptDataEndTagNameStatec C sJ | j �� }|dkr2| j�td dd�� | j| _n| j �|� | j| _dS �N�-rU r( T) r r? r+ r@ r � scriptDataEscapeStartDashStater rF ry rz r% r% r& r� a s z(HTMLTokenizer.scriptDataEscapeStartStatec C sJ | j �� }|dkr2| j�td dd�� | j| _n| j �|� | j| _dS r� ) r r? r+ r@ r � scriptDataEscapedDashDashStater rF ry rz r% r% r& r� k s z,HTMLTokenizer.scriptDataEscapeStartDashStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrD| j| _nn|dkrz| j�td dd�� | j�td dd�� n8|tkr�| j | _n&| j � d �}| j�td || d�� d S ) Nr� rU r( rN ri r' rj r7 )rN r� ri T) r r? r+ r@ r �scriptDataEscapedDashStater �"scriptDataEscapedLessThanSignStater r rn ro r% r% r& �scriptDataEscapedStateu s( � � �z$HTMLTokenizer.scriptDataEscapedStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrD| j| _nn|dkr�| j�td dd�� | j�td dd�� | j| _n0|t kr�| j | _n | j�td |d�� | j| _d S ) Nr� rU r( rN ri r' rj r7 T) r r? 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r r r� r r� rh r r r+ r@ rF r� r� r% r% r& r� � s: � � � � z.HTMLTokenizer.scriptDataEscapedEndTagNameStatec C s� | j �� }|ttd�B v rR| j�td |d�� | j�� dkrH| j | _ q�| j | _ nB|t v r�| j�td |d�� | j|7 _n| j � |� | j | _ dS �N)r} r~ rU r( ZscriptT)r r? r rC r+ r@ r r� r� � scriptDataDoubleEscapedStater r� r rF rz r% r% r& r� � s z.HTMLTokenizer.scriptDataDoubleEscapeStartStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrZ| j�td dd�� | j| _nt|dkr�| j�td dd�� | j�td dd�� n>|tkr�| j�td d d�� | j | _n| j�td |d�� d S � Nr� rU r( rN ri r' rj r7 �eof-in-script-in-scriptT) r r? r+ r@ r � scriptDataDoubleEscapedDashStater �(scriptDataDoubleEscapedLessThanSignStater r rz r% r% r& r� � s* � � � z*HTMLTokenizer.scriptDataDoubleEscapedStatec C s� | j �� }|dkr2| j�td dd�� | j| _n�|dkrZ| j�td dd�� | j| _n�|dkr�| j�td dd�� | j�td dd�� | j| _nF|t kr�| j�td d d�� | j | _n | j�td |d�� | j| _d S r� ) r r? r+ r@ r �$scriptDataDoubleEscapedDashDashStater r� r� r r rz r% r% r& r� s. � � � z.HTMLTokenizer.scriptDataDoubleEscapedDashStatec C s | j �� }|dkr*| j�td dd�� n�|dkrR| j�td dd�� | j| _n�|dkrz| j�td dd�� | j| _n�|dkr�| j�td dd�� | j�td d d�� | j| _nF|t kr�| j�td d d�� | j | _n | j�td |d�� | j| _d S ) Nr� rU r( rN r~ ri r' rj r7 r� T) r r? r+ r@ r r� r ry r� r r rz r% r% r& r� % s2 � � � z2HTMLTokenizer.scriptDataDoubleEscapedDashDashStatec C sP | j �� }|dkr8| j�td dd�� d| _| j| _n| j �|� | j | _dS )Nr} rU r( r3 T) r r? r+ r@ r r� � scriptDataDoubleEscapeEndStater rF r� rz r% r% r& r� > s z6HTMLTokenizer.scriptDataDoubleEscapedLessThanSignStatec C s� | j �� }|ttd�B v rR| j�td |d�� | j�� dkrH| j | _ q�| j | _ nB|t v r�| j�td |d�� | j|7 _n| j � |� | j | _ dS r� )r r? r rC r+ r@ r r� r� r� r r� r rF rz r% r% r& r� I s z,HTMLTokenizer.scriptDataDoubleEscapeEndStatec C s0 | j �� }|tv r$| j �td� �n|tv rJ| jd �|dg� | j| _n�|dkr\| � � n�|dkrn| j | _n�|dv r�| j �t d dd �� | jd �|dg� | j| _n�|d kr�| j �t d d d �� | jd �d dg� | j| _nF|t u �r| j �t d d d �� | j| _n | jd �|dg� | j| _dS )NTr* r3 r~ r} )�'�"rS rN r' �#invalid-character-in-attribute-namer( ri rj r7 z#expected-attribute-name-but-got-eof)r r? r rn r r r@ �attributeNameStater rh r� r+ r r r rz r% r% r& r� Y s< � � � z&HTMLTokenizer.beforeAttributeNameStatec C s� | j �� }d}d}|dkr&| j| _�n.|tv r\| jd d d || j �td� 7 < d}n�|dkrjd}n�|tv r|| j| _n�|dkr�| j | _n�|d kr�| j � t d d d �� | jd d d d 7 < d}n�|dv �r | j � t d dd �� | jd d d |7 < d}nH|t u �r6| j � t d dd �� | j| _n | jd d d |7 < d}|�r�| jd d d �t�| jd d d< | jd d d� D ]>\}}| jd d d |k�r�| j � t d dd �� �qҐq�|�r�| �� dS )NTFrS r* rP r r~ r} ri r' rj r( r7 �r� r� rN r� zeof-in-attribute-namezduplicate-attribute)r r? �beforeAttributeValueStater r r rn r �afterAttributeNameStater� r+ r@ r r r rc r rh )r! r* ZleavingThisStateZ emitTokenr_ �_r% r% r& r� w s^ � � � � � � z HTMLTokenizer.attributeNameStatec C sD | j �� }|tv r$| j �td� �n |dkr8| j| _�n|dkrJ| �� n�|tv rp| jd � |dg� | j | _n�|dkr�| j | _n�|dkr�| j � t d d d �� | jd � d dg� | j | _n�|d v r�| j � t d d d �� | jd � |dg� | j | _nF|tu �r$| j � t d dd �� | j| _n | jd � |dg� | j | _dS )NTrS r~ r* r3 r} ri r' rj r( r7 r� z&invalid-character-after-attribute-namez expected-end-of-tag-but-got-eof)r r? r rn r� r rh r r r@ r� r� r+ r r r rz r% r% r& r� � s@ � � � z%HTMLTokenizer.afterAttributeNameStatec C sh | j �� }|tv r$| j �td� �n@|dkr8| j| _�n,|dkrX| j| _| j �|� �n |dkrj| j| _n�|dkr�| j � t d dd�� | � � n�|d kr�| j � t d d d�� | j d d d d7 < | j| _n�|dv �r| j � t d dd�� | j d d d |7 < | j| _nL|tu �rB| j � t d dd�� | j| _n"| j d d d |7 < | j| _dS )NTr� rM r� r~ r' z.expected-attribute-value-but-got-right-bracketr( ri rj r* rP r r7 )rS rN �`z"equals-in-unquoted-attribute-valuez$expected-attribute-value-but-got-eof)r r? 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r r� r r^ rh r+ r@ r r r r rn rC rz r% r% r& r� s4 � � � � z)HTMLTokenizer.attributeValueUnQuotedStatec C s� | j �� }|tv r | j| _n�|dkr.| �� np|dkr@| j| _n^|tu rt| j� t d dd�� | j � |� | j | _n*| j� t d dd�� | j � |� | j| _dS )Nr~ r} r' z$unexpected-EOF-after-attribute-valuer( z*unexpected-character-after-attribute-valueT) r r? r r� r rh r� r r+ r@ r rF r rz r% r% r& r� . s& � � z&HTMLTokenizer.afterAttributeValueStatec C s� | j �� }|dkr&d| jd< | �� n^|tu rZ| j�td dd�� | j �|� | j | _ n*| j�td dd�� | j �|� | j | _ dS )Nr~ Trb r' z#unexpected-EOF-after-solidus-in-tagr( z)unexpected-character-after-solidus-in-tag) r r? r rh r r+ r@ r rF r r r� rz r% r% r& r� B s � � z&HTMLTokenizer.selfClosingStartTagStatec C sD | j �d�}|�dd�}| j�td |d�� | j �� | j| _dS )Nr~ ri r7 �Commentr( T) r rn �replacer+ r@ r r? r r rz r% r% r& r� T s � z HTMLTokenizer.bogusCommentStatec C s� | j �� g}|d dkrR|�| j �� � |d dkrPtd dd�| _| j| _dS n�|d dv r�d}dD ](}|�| j �� � |d |vrfd } q�qf|r�td dd d dd �| _| j| _dS n�|d d k�rD| jd u�rD| jj j �rD| jj j d j | jj j k�rDd}d D ].}|�| j �� � |d |k�rd } �q2�q|�rD| j | _dS | j�td dd�� |�rt| j �|�� � �qZ| j| _dS )NrP r� r� r3 r( T)�d�D))�o�O�rJ �C��t�T��y�Y��p�P��e�EFZDoctype)r) r_ �publicId�systemId�correct�[)r� r� �Ar� r� r� r' zexpected-dashes-or-doctype)r r? 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ru T)rK r} r= r| r? r� r� r_ rA r( r( r) r� � s � z'getPhases.<locals>.TextPhase.processEOFc S s d S r- r( r� r( r( r) r� � s z*getPhases.<locals>.TextPhase.startTagOtherc S s | j j�� }| jj| j_d S r- �r= r| r� rK r� r_ r r( r( r) � endTagScript� s z)getPhases.<locals>.TextPhase.endTagScriptc S s | j j�� | jj| j_d S r- r� r� r( r( r) r� � s z(getPhases.<locals>.TextPhase.endTagOtherr N)r8 r9 r: r� r� r� r� r� r� r� r r� r� r� r� r( r( r( r) � TextPhase� s �r� c s e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Ze�d%� jfd&e fd'e fd(e fd)e fd*efd+efd,efd-efd.efg �Zee_e�d+efd/efg�Z ee _d0S )1z getPhases.<locals>.InTablePhasec S s$ | j jd jdvr | j j�� q d S )Nru )r� r� �r= r| r? r� rA r( r( r) �clearStackToTableContext� s z8getPhases.<locals>.InTablePhase.clearStackToTableContextc S s$ | j jd jdkr | j�d� n d S )Nru r� z eof-in-table�r= r| r? rK r} rA r( r( r) r� � s z*getPhases.<locals>.InTablePhase.processEOFc S s4 | j j}| j jd | j _|| j j_| j j�|� d S �N� inTableText)rK r_ rH r� r� �rB r� r� r( r( r) r� � s z6getPhases.<locals>.InTablePhase.processSpaceCharactersc S s4 | j j}| j jd | j _|| j j_| j j�|� d S r� )rK r_ rH r� r� r� r( r( r) r� � s z1getPhases.<locals>.InTablePhase.processCharactersc S s& d| j _| jjd �|� d| j _d S )NTr� F)r= �insertFromTablerK rH r� r� r( r( r) r� � s z*getPhases.<locals>.InTablePhase.insertTextc S s6 | � � | jj�t� | j�|� | jjd | j_d S )Nr� ) r� r= r$ r� r r� rK rH r_ r� r( r( r) �startTagCaption� s z/getPhases.<locals>.InTablePhase.startTagCaptionc S s( | � � | j�|� | jjd | j_d S )Nr� �r� r= r� rK rH r_ r� r( r( r) �startTagColgroup� s z0getPhases.<locals>.InTablePhase.startTagColgroupc S s | � tdd�� |S )Nr� rq )r� r� r� r( r( r) � startTagCol� s z+getPhases.<locals>.InTablePhase.startTagColc S s( | � � | j�|� | jjd | j_d S �Nr� r� r� r( r( r) �startTagRowGroup� s z0getPhases.<locals>.InTablePhase.startTagRowGroupc S s | � tdd�� |S )Nr� rq )r� r� r� r( r( r) �startTagImplyTbody� s z2getPhases.<locals>.InTablePhase.startTagImplyTbodyc S s6 | j �dddd�� | j j�td�� | j js2|S d S )NrJ r� rK )rK r} r_ r� r� rR r� r( r( r) rV � s �z-getPhases.<locals>.InTablePhase.startTagTablec S s | j jd �|�S r r� r� r( r( r) �startTagStyleScript� s z3getPhases.<locals>.InTablePhase.startTagStyleScriptc S sV d|d v rH|d d � t�dkrH| j�d� | j�|� | jj�� n | �|� d S )Nr2 rv rX z unexpected-hidden-input-in-table) rk r rK r} r= r� r| r� r� r� r( r( r) rY � s � z-getPhases.<locals>.InTablePhase.startTagInputc S sD | j �d� | jjd u r@| j�|� | jjd | j_| jj�� d S )Nzunexpected-form-in-tableru )rK r} r= rA r� r| r� r� r( r( r) rB � s z,getPhases.<locals>.InTablePhase.startTagFormc S s< | j �dd|d i� d| j_| j jd �|� d| j_d S )Nz)unexpected-start-tag-implies-table-voodoor? Tr� F)rK r} r= r� rH r� r� r( r( r) r� � s z-getPhases.<locals>.InTablePhase.startTagOtherc S s� | j jddd�r�| j �� | j jd jdkrJ| j�dd| j jd jd�� | j jd jdkrj| j j�� qJ| j j�� | j�� n | j�� d S )Nr� r: ru zend-tag-too-early-namedr| ) r= r< rr r| r? rK r} r� ra r� r( r( r) � endTagTable s �� z+getPhases.<locals>.InTablePhase.endTagTablec S s | j �dd|d i� d S r r� r� r( r( r) � endTagIgnore s z,getPhases.<locals>.InTablePhase.endTagIgnorec S s< | j �dd|d i� d| j_| j jd �|� d| j_d S )Nz'unexpected-end-tag-implies-table-voodoor? Tr� F)rK r} r= r� rH r� r� r( r( r) r� s z+getPhases.<locals>.InTablePhase.endTagOtherr� r� r� r� �r� r� r� )r� r� r� r� )r r rf r@ ) r� r� r� r� r� r� r� r� r� r� r� N) r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� rV r� rY rB r� r� r� r� r r� r� r� r� r� r( �r� r( r) � InTablePhase� sN � ��r� c sZ e Zd ZdZ�� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z � Z S )z#getPhases.<locals>.InTableTextPhase)r� �characterTokensc s& t � | �j|i |�� d | _g | _d S r- )r rJ r� r� r )�InTableTextPhaser� r( r) rJ 6 s z,getPhases.<locals>.InTableTextPhase.__init__c S sd d� dd� | jD ��}tdd� |D ��rJtd |d�}| jjd �|� n|rZ| j�|� g | _d S )Nr� c S s g | ] }|d �qS )rv r( �r> r� r( r( r) r3 < rD zGgetPhases.<locals>.InTableTextPhase.flushCharacters.<locals>.<listcomp>c S s g | ] }|t v�qS r( r0 r� r( r( r) r3 = rD rp re r� )�joinr� r4 r rK rH r� r= )rB rv r� r( r( r) �flushCharacters; s z3getPhases.<locals>.InTableTextPhase.flushCharactersc S s | � � | j| j_|S r- �r� r� rK r_ r� r( r( r) r� D s z2getPhases.<locals>.InTableTextPhase.processCommentc S s | � � | j| j_dS r� r� rA r( r( r) r� I s z.getPhases.<locals>.InTableTextPhase.processEOFc S s |d dkrd S | j �|� d S �Nrv r/ �r� r� r� r( r( r) r� N s z5getPhases.<locals>.InTableTextPhase.processCharactersc S s | j �|� d S r- r� r� r( r( r) r� S s z:getPhases.<locals>.InTableTextPhase.processSpaceCharactersc S s | � � | j| j_|S r- r� r� r( r( r) r� X s z3getPhases.<locals>.InTableTextPhase.processStartTagc S s | � � | j| j_|S r- r� r� r( r( r) r� ] s z1getPhases.<locals>.InTableTextPhase.processEndTag) r8 r9 r: r� rJ r� r� r� r� r� r� r� r� r( )r� r� r) r� 3 s r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z e�d� jfdefg�Ze e_e�de fde fde fg�Ze e_dS )z!getPhases.<locals>.InCaptionPhasec S s | j jddd� S )Nr� r� r: �r= r< rA r( r( r) �ignoreEndTagCaptionf s z5getPhases.<locals>.InCaptionPhase.ignoreEndTagCaptionc S s | j jd �� d S r� �rK rH r� rA r( r( r) r� i s z,getPhases.<locals>.InCaptionPhase.processEOFc S s | j jd �|�S r� �rK rH r� r� r( r( r) r� l s z3getPhases.<locals>.InCaptionPhase.processCharactersc S s0 | j �� | �� }| j j�td�� |s,|S d S �Nr� �rK r} r� r_ r� r� �rB r� � ignoreEndTagr( r( r) �startTagTableElemento s z6getPhases.<locals>.InCaptionPhase.startTagTableElementc S s | j jd �|�S r� r� r� r( r( r) r� w s z/getPhases.<locals>.InCaptionPhase.startTagOtherc S s� | � � s�| j�� | jjd jdkrB| j�dd| jjd jd�� | jjd jdkrb| jj�� qB| jj�� | j�� | jj d | j_ n | j�� d S )Nru r� r{ r| r� ) r� r= rr r| r? rK r} r� r� rH r_ r� r( r( r) � endTagCaptionz s �� z/getPhases.<locals>.InCaptionPhase.endTagCaptionc S s0 | j �� | �� }| j j�td�� |s,|S d S r� r� r� r( r( r) r� � s z-getPhases.<locals>.InCaptionPhase.endTagTablec S s | j �dd|d i� d S r r� r� r( r( r) r� � s z.getPhases.<locals>.InCaptionPhase.endTagIgnorec S s | j jd �|�S r� �rK rH r� r� r( r( r) r� � s z-getPhases.<locals>.InCaptionPhase.endTagOtherr� � r� r� r� r� r� r� r� r� r� r� r� ) r� r� r� r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InCaptionPhaseb s2 ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z e �d� jfdefg�Ze e_e �de fde fg�Ze e_dS )z%getPhases.<locals>.InColumnGroupPhasec S s | j jd jdkS )Nru r� )r= r| r? rA r( r( r) �ignoreEndTagColgroup� s z:getPhases.<locals>.InColumnGroupPhase.ignoreEndTagColgroupc S s8 | j jd jdkrd S | �� }| �td�� |s4dS d S )Nru r� r� T)r= r| r? r� �endTagColgroupr� )rB r� r( r( r) r� � s z0getPhases.<locals>.InColumnGroupPhase.processEOFc S s" | � � }| �td�� |s |S d S �Nr� �r� r� r� r� r( r( r) r� � s z7getPhases.<locals>.InColumnGroupPhase.processCharactersc S s$ | j �|� | j j�� d|d< d S r� r� r� r( r( r) r� � s z1getPhases.<locals>.InColumnGroupPhase.startTagColc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� � s z3getPhases.<locals>.InColumnGroupPhase.startTagOtherc S s4 | � � r| j�� n | jj�� | jjd | j_d S �Nr� )r� rK r} r= r| r� rH r_ r� r( r( r) r� � s z4getPhases.<locals>.InColumnGroupPhase.endTagColgroupc S s | j �dddi� d S )Nz no-end-tagr? r� r� r� r( r( r) � endTagCol� s z/getPhases.<locals>.InColumnGroupPhase.endTagColc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� � s z1getPhases.<locals>.InColumnGroupPhase.endTagOtherr� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InColumnGroupPhase� s& ��r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Ze�d� jfde fde fd e fg�Ze e_e�d e fd efd efg�Zee_d S )!z#getPhases.<locals>.InTableBodyPhasec S s6 | j jd jdvr | j j�� q | j jd jdkr2d S )Nru )r� r� r� r� r� r� rA r( r( r) � clearStackToTableBodyContext� s z@getPhases.<locals>.InTableBodyPhase.clearStackToTableBodyContextc S s | j jd �� d S r� r� rA r( r( r) r� � s z.getPhases.<locals>.InTableBodyPhase.processEOFc S s | j jd �|�S r� r r� r( r( r) r� � s z:getPhases.<locals>.InTableBodyPhase.processSpaceCharactersc S s | j jd �|�S r� r� r� r( r( r) r� � s z5getPhases.<locals>.InTableBodyPhase.processCharactersc S s( | � � | j�|� | jjd | j_d S )Nr� )r� r= r� rK rH r_ r� r( r( r) � startTagTr s z.getPhases.<locals>.InTableBodyPhase.startTagTrc S s* | j �dd|d i� | �tdd�� |S )Nz unexpected-cell-in-table-bodyr? r� rq )rK r} r� r� r� r( r( r) �startTagTableCell s �z5getPhases.<locals>.InTableBodyPhase.startTagTableCellc S sb | j jddd�s0| j jddd�s0| j jddd�rT| �� | �t| j jd j�� |S | j�� d S �Nr� r� r: r� r� ru � r= r< r� �endTagTableRowGroupr� r| r? rK r} r� r( r( r) �startTagTableOther s ���z6getPhases.<locals>.InTableBodyPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� s z1getPhases.<locals>.InTableBodyPhase.startTagOtherc S sT | j j|d dd�r:| �� | j j�� | jjd | j_n| j�dd|d i� d S )Nr? r� r: r� � unexpected-end-tag-in-table-body) r= r< r� r| r� rK rH r_ r} r� r( r( r) r� s �z7getPhases.<locals>.InTableBodyPhase.endTagTableRowGroupc S sb | j jddd�s0| j jddd�s0| j jddd�rT| �� | �t| j jd j�� |S | j�� d S r� r� r� r( r( r) r� % s ���z/getPhases.<locals>.InTableBodyPhase.endTagTablec S s | j �dd|d i� d S )Nr� r? r� r� r( r( r) r� 2 s �z0getPhases.<locals>.InTableBodyPhase.endTagIgnorec S s | j jd �|�S r� r� r� r( r( r) r� 6 s z/getPhases.<locals>.InTableBodyPhase.endTagOtherr� r� �r� r� )r� r� r� r� r� r� r� r� )r� r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InTableBodyPhase� s< ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Ze�d� jfd e fd e fg�Ze e_e�d e fd efd efd!efg�Zee_d"S )#z getPhases.<locals>.InRowPhasec S s@ | j jd jdvr<| j�dd| j jd ji� | j j�� q d S )Nru )r� r� z'unexpected-implied-end-tag-in-table-rowr? )r= r| r? rK r} r� rA r( r( r) �clearStackToTableRowContextO s �z9getPhases.<locals>.InRowPhase.clearStackToTableRowContextc S s | j jddd� S )Nr� r� r: r� rA r( r( r) �ignoreEndTagTrU s z,getPhases.<locals>.InRowPhase.ignoreEndTagTrc S s | j jd �� d S r� r� rA r( r( r) r� Y s z(getPhases.<locals>.InRowPhase.processEOFc S s | j jd �|�S r� r r� r( r( r) r� \ s z4getPhases.<locals>.InRowPhase.processSpaceCharactersc S s | j jd �|�S r� r� r� r( r( r) r� _ s z/getPhases.<locals>.InRowPhase.processCharactersc S s6 | � � | j�|� | jjd | j_| jj�t� d S )Nr� ) r� r= r� rK rH r_ r$ r� r r� r( r( r) r� b s z/getPhases.<locals>.InRowPhase.startTagTableCellc S s" | � � }| �td�� |s |S d S �Nr� �r� �endTagTrr� r� r( r( r) r� h s z0getPhases.<locals>.InRowPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� o s z+getPhases.<locals>.InRowPhase.startTagOtherc S s< | � � s.| �� | jj�� | jjd | j_n | j�� d S r� ) r� r� r= r| r� rK rH r_ r} r� r( r( r) r� r s z&getPhases.<locals>.InRowPhase.endTagTrc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� | s z)getPhases.<locals>.InRowPhase.endTagTablec S s4 | j j|d dd�r&| �td�� |S | j�� d S )Nr? r� r: r� )r= r< r� r� rK r} r� r( r( r) r� � s z1getPhases.<locals>.InRowPhase.endTagTableRowGroupc S s | j �dd|d i� d S )Nz unexpected-end-tag-in-table-rowr? r� r� r( r( r) r� � s �z*getPhases.<locals>.InRowPhase.endTagIgnorec S s | j jd �|�S r� r� r� r( r( r) r� � s z)getPhases.<locals>.InRowPhase.endTagOtherr� r� )r� r� r� r� r� r� r� r� r� r� )r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) � InRowPhaseJ s> ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z e�d� jfdefg�Ze e_e�de fde fde fg�Ze e_dS )z getPhases.<locals>.InCellPhasec S sB | j jddd�r | �td�� n | j jddd�r>| �td�� d S �Nr� r� r: r� )r= r< �endTagTableCellr� rA r( r( r) � closeCell� s z(getPhases.<locals>.InCellPhase.closeCellc S s | j jd �� d S r� r� rA r( r( r) r� � s z)getPhases.<locals>.InCellPhase.processEOFc S s | j jd �|�S r� r� r� r( r( r) r� � s z0getPhases.<locals>.InCellPhase.processCharactersc S s: | j jddd�s | j jddd�r,| �� |S | j�� d S r� �r= r< r� rK r} r� r( r( r) r� � s �z1getPhases.<locals>.InCellPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� � s z,getPhases.<locals>.InCellPhase.startTagOtherc S s� | j j|d dd�r�| j �|d � | j jd j|d krp| j�dd|d i� | j j�� }|j|d krPq|qPn | j j�� | j �� | jj d | j_ n| j�dd|d i� d S )Nr? r� r: ru zunexpected-cell-end-tagr� r ) r= r< rr r| r? rK r} r� r� rH r_ r r( r( r) r� � s � z.getPhases.<locals>.InCellPhase.endTagTableCellc S s | j �dd|d i� d S r r� r� r( r( r) r� � s z+getPhases.<locals>.InCellPhase.endTagIgnorec S s. | j j|d dd�r | �� |S | j�� d S )Nr? r� r: r� r� r( r( r) � endTagImply� s z*getPhases.<locals>.InCellPhase.endTagImplyc S s | j jd �|�S r� r� r� r( r( r) r� � s z*getPhases.<locals>.InCellPhase.endTagOtherr� r� r� )r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) � InCellPhase� s. ���r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Ze�d� jfdefdefd e fd e fd e fg�Ze e_e�de fdefd efg�Zee_d S ) z getPhases.<locals>.InSelectPhasec S s$ | j jd jdkr | j�d� n d S )Nru r� z eof-in-selectr� rA r( r( r) r� � s z+getPhases.<locals>.InSelectPhase.processEOFc S s$ |d dkrd S | j �|d � d S r� r� r� r( r( r) r� � s z2getPhases.<locals>.InSelectPhase.processCharactersc S s. | j jd jdkr | j j�� | j �|� d S rl �r= r| r? r� r� r� r( r( r) �startTagOption� s z/getPhases.<locals>.InSelectPhase.startTagOptionc S sL | j jd jdkr | j j�� | j jd jdkr<| j j�� | j �|� d S )Nru rm rx r r� r( r( r) �startTagOptgroup s z1getPhases.<locals>.InSelectPhase.startTagOptgroupc S s | j �d� | �td�� d S )Nzunexpected-select-in-selectr� )rK r} � endTagSelectr� r� r( r( r) rp s z/getPhases.<locals>.InSelectPhase.startTagSelectc S s2 | j �d� | jjddd�r.| �td�� |S d S )Nzunexpected-input-in-selectr� r: )rK r} r= r< r r� r� r( r( r) rY s z.getPhases.<locals>.InSelectPhase.startTagInputc S s | j jd �|�S r r� r� r( r( r) r� s z/getPhases.<locals>.InSelectPhase.startTagScriptc S s | j �dd|d i� d S )Nz unexpected-start-tag-in-selectr? r� r� r( r( r) r� s �z.getPhases.<locals>.InSelectPhase.startTagOtherc S s6 | j jd jdkr | j j�� n| j�dddi� d S )Nru rm � unexpected-end-tag-in-selectr? �r= r| r? r� rK r} r� r( r( r) � endTagOption s �z-getPhases.<locals>.InSelectPhase.endTagOptionc S sf | j jd jdkr0| j jd jdkr0| j j�� | j jd jdkrP| j j�� n| j�dddi� d S )Nru rm ���rx r r? 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r( )rB r� � replacementsr( r( r) �adjustSVGTagNames� sN �% z:getPhases.<locals>.InForeignContentPhase.adjustSVGTagNamesc sL |d dkrd|d< n&| j jr<tdd� |d D ��r<d| j _� �| |� d S )Nrv r/ u �c s s | ]}|t vV qd S r- r0 r1 r( r( r) � <genexpr>� rD zMgetPhases.<locals>.InForeignContentPhase.processCharacters.<locals>.<genexpr>F)rK rb r4 r� r� r� r( r) r� � s �z:getPhases.<locals>.InForeignContentPhase.processCharactersc S s( | j jd }|d | jv s>|d dkr�t|d �� �h d�@ r�| j�dd|d i� | j jd j| j jkr�| j� | j jd �s�| j� | j jd �s�| j j� � qT|S |jt d kr�| j� |� n$|jt d kr�| �|� | j�|� | j�|� |j|d < | j �|� |d �r$| j j� � d |d < d S ) Nru r? r� rv > ZcolorZface�sizez*unexpected-html-element-in-foreign-contentrg rx ri rz Tr{ )r= r| �breakoutElements�set�keysrK r} ri r� rn ro r� r r r r r r� )rB r� r� r( r( r) r� � s: �� � ��� z8getPhases.<locals>.InForeignContentPhase.processStartTagc S s� t | jj�d }| jjd }|j�t�|d krF| j�dd|d i� |j�t�|d kr�| jj| jj d kr�| jj� � | jjj | j_| jj� � |kr�q�d }q�|d8 }| jj| }|j | jjkr�qFqF| jj�|�}q�qF|S )Nr ru r? 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r� r� r( r( r) r� ^ s �z3getPhases.<locals>.AfterFramesetPhase.startTagOtherc S s | j jd | j _d S )N�afterAfterFrameset)rK rH r_ r� r( r( r) r b s z0getPhases.<locals>.AfterFramesetPhase.endTagHtmlc S s | j �dd|d i� d S )Nz!unexpected-end-tag-after-framesetr? r� r� r( r( r) r� e s �z1getPhases.<locals>.AfterFramesetPhase.endTagOtherr� r N)r8 r9 r: r� r� r� r� r r� r r� r r� r� r� r� r� r( r� r( r) �AfterFramesetPhaseP s ��r! c @ s` e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z e � de fg�Ze e_dS )z&getPhases.<locals>.AfterAfterBodyPhasec S s d S r- r( rA r( r( r) r� w s z1getPhases.<locals>.AfterAfterBodyPhase.processEOFc S s | j �|| j j� d S r- r� r� r( r( r) r� z s z5getPhases.<locals>.AfterAfterBodyPhase.processCommentc S s | j jd �|�S r� r r� r( r( r) r� } s z=getPhases.<locals>.AfterAfterBodyPhase.processSpaceCharactersc S s | j �d� | j jd | j _|S )N�expected-eof-but-got-charr� r r� r( r( r) r� � s z8getPhases.<locals>.AfterAfterBodyPhase.processCharactersc S s | j jd �|�S r� r� r� r( r( r) r� � s z3getPhases.<locals>.AfterAfterBodyPhase.startTagHtmlc S s* | j �dd|d i� | j jd | j _|S )N� expected-eof-but-got-start-tagr? 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rK r} rR rA r( r( r) r� � s z*getPhases.<locals>.InTablePhase.processEOFc S s4 | j j}| j jd | j _|| j j_| j j�|� d S �N� inTableText)rK r_ rH r� r� �rB r� r� r( r( r) r� � s z6getPhases.<locals>.InTablePhase.processSpaceCharactersc S s4 | j j}| j jd | j _|| j j_| j j�|� d S r� )rK r_ rH r� r� r� r( r( r) r� � s z1getPhases.<locals>.InTablePhase.processCharactersc S s& d| j _| jjd �|� d| j _d S )NTr� F)r= �insertFromTablerK rH r� r� r( r( r) r� � s z*getPhases.<locals>.InTablePhase.insertTextc S s6 | � � | jj�t� | j�|� | jjd | j_d S )Nr� ) r� r= r% r� r r� rK rH r_ r� r( r( r) �startTagCaption� s z/getPhases.<locals>.InTablePhase.startTagCaptionc S s( | � � | j�|� | jjd | j_d S )Nr� �r� r= r� rK rH r_ r� r( r( r) �startTagColgroup� s z0getPhases.<locals>.InTablePhase.startTagColgroupc S s | � tdd�� |S )Nr� rq )r� r� r� r( r( r) � startTagCol� s z+getPhases.<locals>.InTablePhase.startTagColc S s( | � � | j�|� | jjd | j_d S �Nr� r� r� r( r( r) �startTagRowGroup� s z0getPhases.<locals>.InTablePhase.startTagRowGroupc S s | � tdd�� |S )Nr� rq )r� r� r� r( r( r) �startTagImplyTbody� s z2getPhases.<locals>.InTablePhase.startTagImplyTbodyc S s6 | j �dddd�� | j j�td�� | j js2|S d S )NrK r� rL )rK r} r_ r� r� rR r� r( r( r) rW � s �z-getPhases.<locals>.InTablePhase.startTagTablec S s | j jd �|�S r r� r� r( r( r) �startTagStyleScript� s z3getPhases.<locals>.InTablePhase.startTagStyleScriptc S sV d|d v rH|d d � t�dkrH| j�d� | j�|� | jj�� n | �|� d S )Nr2 rv rY z unexpected-hidden-input-in-table) rk r rK r} r= r� r| r� r� r� r( r( r) rZ � s � z-getPhases.<locals>.InTablePhase.startTagInputc S sD | j �d� | jjd u r@| j�|� | jjd | j_| jj�� d S )Nzunexpected-form-in-tableru )rK r} r= rB r� r| r� r� r( r( r) rC � s z,getPhases.<locals>.InTablePhase.startTagFormc S s< | j �dd|d i� d| j_| j jd �|� d| j_d S )Nz)unexpected-start-tag-implies-table-voodoor? Tr� F)rK r} r= r� rH r� r� r( r( r) r� � s z-getPhases.<locals>.InTablePhase.startTagOtherc S s� | j jddd�r�| j �� | j jd jdkrJ| j�dd| j jd jd�� | j jd jdkrj| j j�� qJ| j j�� | j�� n| jj s�J �| j�� d S )Nr� r; ru zend-tag-too-early-namedr} ) r= r= rs r| r? rK r} r� ra rR r� r( r( r) � endTagTable s �� z+getPhases.<locals>.InTablePhase.endTagTablec S s | j �dd|d i� d S r r� r� r( r( r) � endTagIgnore s z,getPhases.<locals>.InTablePhase.endTagIgnorec S s< | j �dd|d i� d| j_| j jd �|� d| j_d S )Nz'unexpected-end-tag-implies-table-voodoor? Tr� F)rK r} r= r� rH r� r� r( r( r) r� s z+getPhases.<locals>.InTablePhase.endTagOtherr� r� r� r� �r� r� r� )r� r� r� r� )r r rg rA ) r� r� r� r� r� r� r� r� r� r� r� N) r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� rW r� rZ rC r� r� r� r� r r� r� r� r� r� r( �r� r( r) � InTablePhase� sN � ��r� c sZ e Zd ZdZ�� fdd�Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z � Z S )z#getPhases.<locals>.InTableTextPhase)r� �characterTokensc s& t � | �j|i |�� d | _g | _d S r- )r rJ r� r� r! )�InTableTextPhaser� r( r) rJ 6 s z,getPhases.<locals>.InTableTextPhase.__init__c S sd d� dd� | jD ��}tdd� |D ��rJtd |d�}| jjd �|� n|rZ| j�|� g | _d S )Nr� c S s g | ] }|d �qS )rv r( �r> r� r( r( r) r4 < rD zGgetPhases.<locals>.InTableTextPhase.flushCharacters.<locals>.<listcomp>c S s g | ] }|t v�qS r( r1 r� r( r( r) r4 = rD rp rf r� )�joinr� r5 r rK rH r� r= )rB rv r� r( r( r) �flushCharacters; s z3getPhases.<locals>.InTableTextPhase.flushCharactersc S s | � � | j| j_|S r- �r� r� rK r_ r� r( r( r) r� D s z2getPhases.<locals>.InTableTextPhase.processCommentc S s | � � | j| j_dS r� r� rA r( r( r) r� I s z.getPhases.<locals>.InTableTextPhase.processEOFc S s |d dkrd S | j �|� d S �Nrv r0 �r� r� r� r( r( r) r� N s z5getPhases.<locals>.InTableTextPhase.processCharactersc S s | j �|� d S r- r� r� r( r( r) r� S s z:getPhases.<locals>.InTableTextPhase.processSpaceCharactersc S s | � � | j| j_|S r- r� r� r( r( r) r� X s z3getPhases.<locals>.InTableTextPhase.processStartTagc S s | � � | j| j_|S r- r� r� r( r( r) r� ] s z1getPhases.<locals>.InTableTextPhase.processEndTag) r8 r9 r: r� rJ r� r� r� r� r� r� r� r� r( )r� r� r) r� 3 s r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z e�d� jfdefg�Ze e_e�de fde fde fg�Ze e_dS )z!getPhases.<locals>.InCaptionPhasec S s | j jddd� S )Nr� r� r; �r= r= rA r( r( r) �ignoreEndTagCaptionf s z5getPhases.<locals>.InCaptionPhase.ignoreEndTagCaptionc S s | j jd �� d S r� �rK rH r� rA r( r( r) r� i s z,getPhases.<locals>.InCaptionPhase.processEOFc S s | j jd �|�S r� �rK rH r� r� r( r( r) r� l s z3getPhases.<locals>.InCaptionPhase.processCharactersc S s0 | j �� | �� }| j j�td�� |s,|S d S �Nr� �rK r} r� r_ r� r� �rB r� � ignoreEndTagr( r( r) �startTagTableElemento s z6getPhases.<locals>.InCaptionPhase.startTagTableElementc S s | j jd �|�S r� r� r� r( r( r) r� w s z/getPhases.<locals>.InCaptionPhase.startTagOtherc S s� | � � s�| j�� | jjd jdkrB| j�dd| jjd jd�� | jjd jdkrb| jj�� qB| jj�� | j�� | jj d | j_ n| jj s�J �| j�� d S )Nru r� r| r} r� ) r� r= rs r| r? rK r} r� r� rH r_ rR r� r( r( r) � endTagCaptionz s �� z/getPhases.<locals>.InCaptionPhase.endTagCaptionc S s0 | j �� | �� }| j j�td�� |s,|S d S r� r� r� r( r( r) r� � s z-getPhases.<locals>.InCaptionPhase.endTagTablec S s | j �dd|d i� d S r r� r� r( r( r) r� � s z.getPhases.<locals>.InCaptionPhase.endTagIgnorec S s | j jd �|�S r� �rK rH r� r� r( r( r) r� � s z-getPhases.<locals>.InCaptionPhase.endTagOtherr� � r� r� r� r� r� r� r� r� r� r� r� ) r� r� r� r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InCaptionPhaseb s2 ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z e �d� jfdefg�Ze e_e �de fde fg�Ze e_dS )z%getPhases.<locals>.InColumnGroupPhasec S s | j jd jdkS )Nru r� )r= r| r? rA r( r( r) �ignoreEndTagColgroup� s z:getPhases.<locals>.InColumnGroupPhase.ignoreEndTagColgroupc S sD | j jd jdkr"| jjs J �d S | �� }| �td�� |s@dS d S )Nru r� r� T)r= r| r? rK rR r� �endTagColgroupr� )rB r� r( r( r) r� � s z0getPhases.<locals>.InColumnGroupPhase.processEOFc S s" | � � }| �td�� |s |S d S �Nr� �r� r� r� r� r( r( r) r� � s z7getPhases.<locals>.InColumnGroupPhase.processCharactersc S s$ | j �|� | j j�� d|d< d S r� r� r� r( r( r) r� � s z1getPhases.<locals>.InColumnGroupPhase.startTagColc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� � s z3getPhases.<locals>.InColumnGroupPhase.startTagOtherc S s@ | � � r | jjsJ �| j�� n | jj�� | jjd | j_d S �Nr� ) r� rK rR r} r= r| r� rH r_ r� r( r( r) r� � s z4getPhases.<locals>.InColumnGroupPhase.endTagColgroupc S s | j �dddi� d S )Nz no-end-tagr? r� r� r� r( r( r) � endTagCol� s z/getPhases.<locals>.InColumnGroupPhase.endTagColc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� � s z1getPhases.<locals>.InColumnGroupPhase.endTagOtherr� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InColumnGroupPhase� s& ��r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Ze�d� jfde fde fd e fg�Ze e_e�d e fd efd efg�Zee_d S )!z#getPhases.<locals>.InTableBodyPhasec S sB | j jd jdvr | j j�� q | j jd jdkr>| jjs>J �d S )Nru )r� r� r� r� r� )r= r| r? r� rK rR rA r( r( r) � clearStackToTableBodyContext� s z@getPhases.<locals>.InTableBodyPhase.clearStackToTableBodyContextc S s | j jd �� d S r� r� rA r( r( r) r� � s z.getPhases.<locals>.InTableBodyPhase.processEOFc S s | j jd �|�S r� r r� r( r( r) r� � s z:getPhases.<locals>.InTableBodyPhase.processSpaceCharactersc S s | j jd �|�S r� r� r� r( r( r) r� � s z5getPhases.<locals>.InTableBodyPhase.processCharactersc S s( | � � | j�|� | jjd | j_d S )Nr� )r� r= r� rK rH r_ r� r( r( r) � startTagTr s z.getPhases.<locals>.InTableBodyPhase.startTagTrc S s* | j �dd|d i� | �tdd�� |S )Nz unexpected-cell-in-table-bodyr? r� rq )rK r} r� r� r� r( r( r) �startTagTableCell s �z5getPhases.<locals>.InTableBodyPhase.startTagTableCellc S sn | j jddd�s0| j jddd�s0| j jddd�rT| �� | �t| j jd j�� |S | jjs`J �| j� � d S �Nr� r� r; r� r� ru � r= r= r� �endTagTableRowGroupr� r| r? rK rR r} r� r( r( r) �startTagTableOther s ��� z6getPhases.<locals>.InTableBodyPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� s z1getPhases.<locals>.InTableBodyPhase.startTagOtherc S sT | j j|d dd�r:| �� | j j�� | jjd | j_n| j�dd|d i� d S )Nr? r� r; r� � unexpected-end-tag-in-table-body) r= r= r� r| r� rK rH r_ r} r� r( r( r) r� s �z7getPhases.<locals>.InTableBodyPhase.endTagTableRowGroupc S sn | j jddd�s0| j jddd�s0| j jddd�rT| �� | �t| j jd j�� |S | jjs`J �| j� � d S r� r� r� r( r( r) r� % s ��� z/getPhases.<locals>.InTableBodyPhase.endTagTablec S s | j �dd|d i� d S )Nr� r? r� r� r( r( r) r� 2 s �z0getPhases.<locals>.InTableBodyPhase.endTagIgnorec S s | j jd �|�S r� r� r� r( r( r) r� 6 s z/getPhases.<locals>.InTableBodyPhase.endTagOtherr� r� �r� r� )r� r� r� r� r� r� r� r� )r� r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) �InTableBodyPhase� s< ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Ze�d� jfd e fd e fg�Ze e_e�d e fd efd efd!efg�Zee_d"S )#z getPhases.<locals>.InRowPhasec S s@ | j jd jdvr<| j�dd| j jd ji� | j j�� q d S )Nru )r� r� z'unexpected-implied-end-tag-in-table-rowr? )r= r| r? rK r} r� rA r( r( r) �clearStackToTableRowContextO s �z9getPhases.<locals>.InRowPhase.clearStackToTableRowContextc S s | j jddd� S )Nr� r� r; r� rA r( r( r) �ignoreEndTagTrU s z,getPhases.<locals>.InRowPhase.ignoreEndTagTrc S s | j jd �� d S r� r� rA r( r( r) r� Y s z(getPhases.<locals>.InRowPhase.processEOFc S s | j jd �|�S r� r r� r( r( r) r� \ s z4getPhases.<locals>.InRowPhase.processSpaceCharactersc S s | j jd �|�S r� r� r� r( r( r) r� _ s z/getPhases.<locals>.InRowPhase.processCharactersc S s6 | � � | j�|� | jjd | j_| jj�t� d S )Nr� ) r� r= r� rK rH r_ r% r� r r� r( r( r) r� b s z/getPhases.<locals>.InRowPhase.startTagTableCellc S s" | � � }| �td�� |s |S d S �Nr� �r� �endTagTrr� r� r( r( r) r� h s z0getPhases.<locals>.InRowPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� o s z+getPhases.<locals>.InRowPhase.startTagOtherc S sH | � � s.| �� | jj�� | jjd | j_n| jjs:J �| j� � d S r� ) r� r� r= r| r� rK rH r_ rR r} r� r( r( r) r� r s z&getPhases.<locals>.InRowPhase.endTagTrc S s" | � � }| �td�� |s |S d S r� r� r� r( r( r) r� | s z)getPhases.<locals>.InRowPhase.endTagTablec S s4 | j j|d dd�r&| �td�� |S | j�� d S )Nr? r� r; r� )r= r= r� r� rK r} r� r( r( r) r� � s z1getPhases.<locals>.InRowPhase.endTagTableRowGroupc S s | j �dd|d i� d S )Nz unexpected-end-tag-in-table-rowr? r� r� r( r( r) r� � s �z*getPhases.<locals>.InRowPhase.endTagIgnorec S s | j jd �|�S r� r� r� r( r( r) r� � s z)getPhases.<locals>.InRowPhase.endTagOtherr� r� )r� r� r� r� r� r� r� r� r� r� )r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) � InRowPhaseJ s> ����r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z e�d� jfdefg�Ze e_e�de fde fde fg�Ze e_dS )z getPhases.<locals>.InCellPhasec S sB | j jddd�r | �td�� n | j jddd�r>| �td�� d S �Nr� r� r; r� )r= r= �endTagTableCellr� rA r( r( r) � closeCell� s z(getPhases.<locals>.InCellPhase.closeCellc S s | j jd �� d S r� r� rA r( r( r) r� � s z)getPhases.<locals>.InCellPhase.processEOFc S s | j jd �|�S r� r� r� r( r( r) r� � s z0getPhases.<locals>.InCellPhase.processCharactersc S sF | j jddd�s | j jddd�r,| �� |S | jjs8J �| j�� d S r� )r= r= r� rK rR r} r� r( r( r) r� � s � z1getPhases.<locals>.InCellPhase.startTagTableOtherc S s | j jd �|�S r� r� r� r( r( r) r� � s z,getPhases.<locals>.InCellPhase.startTagOtherc S s� | j j|d dd�r�| j �|d � | j jd j|d krp| j�dd|d i� | j j�� }|j|d krPq|qPn | j j�� | j �� | jj d | j_ n| j�dd|d i� d S )Nr? r� r; ru zunexpected-cell-end-tagr� r ) r= r= rs r| r? rK r} r� r� rH r_ r r( r( r) r� � s � z.getPhases.<locals>.InCellPhase.endTagTableCellc S s | j �dd|d i� d S r r� r� r( r( r) r� � s z+getPhases.<locals>.InCellPhase.endTagIgnorec S s. | j j|d dd�r | �� |S | j�� d S )Nr? r� r; )r= r= r� rK r} r� r( r( r) � endTagImply� s z*getPhases.<locals>.InCellPhase.endTagImplyc S s | j jd �|�S r� r� r� r( r( r) r� � s z*getPhases.<locals>.InCellPhase.endTagOtherr� r� r� )r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r� r� r r� r� r� r� r� r( r� r( r) � InCellPhase� s. ���r� c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� Ze�d� jfdefdefd e fd e fd e fg�Ze e_e�de fdefd efg�Zee_d S ) z getPhases.<locals>.InSelectPhasec S s0 | j jd jdkr | j�d� n | jjs,J �d S )Nru r� z eof-in-selectr� rA r( r( r) r� � s z+getPhases.<locals>.InSelectPhase.processEOFc S s$ |d dkrd S | j �|d � d S r� r� r� r( r( r) r� � s z2getPhases.<locals>.InSelectPhase.processCharactersc S s. | j jd jdkr | j j�� | j �|� d S rm �r= r| r? r� r� r� r( r( r) �startTagOption� s z/getPhases.<locals>.InSelectPhase.startTagOptionc S sL | j jd jdkr | j j�� | j jd jdkr<| j j�� | j �|� d S )Nru rn ry r� r� r( r( r) �startTagOptgroup s z1getPhases.<locals>.InSelectPhase.startTagOptgroupc S s | j �d� | �td�� d S )Nzunexpected-select-in-selectr� )rK r} � endTagSelectr� r� r( r( r) rq s z/getPhases.<locals>.InSelectPhase.startTagSelectc S s> | j �d� | jjddd�r.| �td�� |S | j js:J �d S )Nzunexpected-input-in-selectr� r; )rK r} r= r= r r� rR r� r( r( r) rZ s z.getPhases.<locals>.InSelectPhase.startTagInputc S s | j jd �|�S r r� r� r( r( r) r� s z/getPhases.<locals>.InSelectPhase.startTagScriptc S s | j �dd|d i� d S )Nz unexpected-start-tag-in-selectr? r� r� r( r( r) r� s �z.getPhases.<locals>.InSelectPhase.startTagOtherc S s6 | j jd jdkr | j j�� n| j�dddi� d S )Nru rn � unexpected-end-tag-in-selectr? �r= r| r? r� rK r} r� r( r( r) � endTagOption s �z-getPhases.<locals>.InSelectPhase.endTagOptionc S sf | j jd jdkr0| j jd jdkr0| j j�� | j jd jdkrP| j j�� n| j�dddi� d S )Nru rn ���ry r r? r r� r( r( r) �endTagOptgroup% s � �z/getPhases.<locals>.InSelectPhase.endTagOptgroupc S sZ | j jddd�r@| j j�� }|jdkr4| j j�� }q | j�� n| jjsLJ �| j�� d S )Nr� r; ) r= r= r| r� r? rK ra rR r} r r( r( r) r 2 s z-getPhases.<locals>.InSelectPhase.endTagSelectc S s | j �dd|d i� d S )Nr r? r� r� r( r( r) r� = s �z,getPhases.<locals>.InSelectPhase.endTagOtherr� rn ry r� )rg r� r- r N)r8 r9 r: r� r� r� r� r� r rq rZ r� r� r r r r� r r� r� r� r� r� r( r� r( r) � InSelectPhase� s8 ��r c @ sn e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z e � d efg�Z ee _e � d e fg�Ze e_dS )z'getPhases.<locals>.InSelectInTablePhasec S s | j jd �� d S �Nr� r� rA r( r( r) r� U s z2getPhases.<locals>.InSelectInTablePhase.processEOFc S s | j jd �|�S r r� r� r( r( r) r� X s z9getPhases.<locals>.InSelectInTablePhase.processCharactersc S s( | j �dd|d i� | �td�� |S )Nz5unexpected-table-element-start-tag-in-select-in-tabler? r� )rK r} r� r� r� r( r( r) rW [ s z5getPhases.<locals>.InSelectInTablePhase.startTagTablec S s | j jd �|�S r r� r� r( r( r) r� ` s z5getPhases.<locals>.InSelectInTablePhase.startTagOtherc S s@ | j �dd|d i� | jj|d dd�r<| �td�� |S d S )Nz3unexpected-table-element-end-tag-in-select-in-tabler? r� r; r� )rK r} r= r= r� r� r� r( r( r) r� c s z3getPhases.<locals>.InSelectInTablePhase.endTagTablec S s | j jd �|�S r r� r� r( r( r) r� i s z3getPhases.<locals>.InSelectInTablePhase.endTagOther)r� r� r� r� r� r� r� r� N)r8 r9 r: r� r� r� r� rW r� r� r� r r� r� r� r� r( r( r( r) �InSelectInTablePhaseR s& ����r c sB e Zd Ze� Zeg d��Zdd� Z� fdd�Zdd� Z dd � Z d S ) z(getPhases.<locals>.InForeignContentPhase),r� r� r� r� r� r� r� r' r* r� r( r� r� Zh1Zh2Zh3Zh4Zh5Zh6r� rd r� r^ r) r, r� r4 rQ r� r' r+ rr r� r� �spanr� r� �sub�supr� r� r� r� �varc % S sn ddddddddd d d d d ddddddddddddddd d d d d d!d"d#d$d%�$}|d& |v rj||d& |d&< d S )'NZaltGlyphZ altGlyphDefZ altGlyphItemZ animateColorZ animateMotionZanimateTransformZclipPathZfeBlendZ feColorMatrixZfeComponentTransferZ feCompositeZfeConvolveMatrixZfeDiffuseLightingZfeDisplacementMapZfeDistantLightZfeFloodZfeFuncAZfeFuncBZfeFuncGZfeFuncRZfeGaussianBlurZfeImageZfeMergeZ feMergeNodeZ feMorphologyZfeOffsetZ fePointLightZfeSpecularLightingZ feSpotLightZfeTileZ feTurbulenceZ foreignObjectZglyphRefZlinearGradientZradialGradientZtextPath)$ZaltglyphZ altglyphdefZ altglyphitemZ animatecolorZ animatemotionZanimatetransformZclippathZfeblendZ fecolormatrixZfecomponenttransferZ fecompositeZfeconvolvematrixZfediffuselightingZfedisplacementmapZfedistantlightZfefloodZfefuncaZfefuncbZfefuncgZfefuncrZfegaussianblurZfeimageZfemergeZ femergenodeZ femorphologyZfeoffsetZ fepointlightZfespecularlightingZ fespotlightZfetileZ feturbulenceZ foreignobjectZglyphrefZlineargradientZradialgradientZtextpathr? r( )rB r� � replacementsr( r( r) �adjustSVGTagNames� sN �% z:getPhases.<locals>.InForeignContentPhase.adjustSVGTagNamesc sL |d dkrd|d< n&| j jr<tdd� |d D ��r<d| j _� �| |� d S )Nrv r0 u �c s s | ]}|t vV qd S r- r1 r2 r( r( r) � <genexpr>� rD zMgetPhases.<locals>.InForeignContentPhase.processCharacters.<locals>.<genexpr>F)rK rb r5 r� r� r� r( r) r� � s �z:getPhases.<locals>.InForeignContentPhase.processCharactersc S s( | j jd }|d | jv s>|d dkr�t|d �� �h d�@ r�| j�dd|d i� | j jd j| j jkr�| j� | j jd �s�| j� | j jd �s�| j j� � qT|S |jt d kr�| j� |� n$|jt d kr�| �|� | j�|� | j�|� |j|d < | j �|� |d �r$| j j� � d |d < d S ) Nru r? r� rv > ZcolorZface�sizez*unexpected-html-element-in-foreign-contentrg rx ri rz Tr{ )r= r| �breakoutElements�set�keysrK r} ri r� rn ro r� r r r r r r� )rB r� r� r( r( r) r� � s: �� � ��� z8getPhases.<locals>.InForeignContentPhase.processStartTagc S s� t | jj�d }| jjd }|j�t�|d krF| j�dd|d i� |j�t�|d kr�| jj| jj d kr�| jj� � | jjj | j_| jj� � |kr�| jjs�J �q�d }q�|d8 }| jj| }|j | jjkr�qFqF| jj�|�}q�qF|S )Nr ru r? 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r( r( r) r� s z,getPhases.<locals>.AfterBodyPhase.endTagHtmlc S s* | j �dd|d i� | j jd | j _|S )Nz unexpected-end-tag-after-bodyr? r� r r� r( r( r) r� s �z-getPhases.<locals>.AfterBodyPhase.endTagOtherr� N)r8 r9 r: r� r� r� r� r� r� r� r� r� r r� r� r� r� r( r( r( r) �AfterBodyPhase� s �r c s� e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z dd� Z e �d� jfdefdefde fg�Ze e_e �de fg�Ze e_dS )z"getPhases.<locals>.InFramesetPhasec S s0 | j jd jdkr | j�d� n | jjs,J �d S )Nru r� zeof-in-framesetr� rA r( r( r) r� s z-getPhases.<locals>.InFramesetPhase.processEOFc S s | j �d� d S )Nzunexpected-char-in-framesetr� r� r( r( r) r� " s z4getPhases.<locals>.InFramesetPhase.processCharactersc S s | j �|� d S r- )r= r� r� r( r( r) r % s z3getPhases.<locals>.InFramesetPhase.startTagFramesetc S s | j �|� | j j�� d S r- r� r� r( r( r) � startTagFrame( s z0getPhases.<locals>.InFramesetPhase.startTagFramec S s | j jd �|�S r� r� r� r( r( r) �startTagNoframes, s z3getPhases.<locals>.InFramesetPhase.startTagNoframesc S s | j �dd|d i� d S )Nz unexpected-start-tag-in-framesetr? r� r� r( r( r) r� / s �z0getPhases.<locals>.InFramesetPhase.startTagOtherc S sZ | j jd jdkr | j�d� n | j j�� | jjsV| j jd jdkrV| jjd | j_d S )Nru r� z)unexpected-frameset-in-frameset-innerhtmlr� � afterFrameset) r= r| r? rK r} r� rR rH r_ r� r( r( r) �endTagFrameset3 s �z1getPhases.<locals>.InFramesetPhase.endTagFramesetc S s | j �dd|d i� d S )Nz unexpected-end-tag-in-framesetr? r� r� r( r( r) r� ? s �z.getPhases.<locals>.InFramesetPhase.endTagOtherr� r� r� r N)r8 r9 r: r� r� r� r� r r r r� r r� r r� r� r� r� r� r( r� r( r) �InFramesetPhase s( ��r c sv e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z e � d � j fdefg�Zee_e � d e fg�Ze e_dS )z%getPhases.<locals>.AfterFramesetPhasec S s d S r- r( rA r( r( r) r� T s z0getPhases.<locals>.AfterFramesetPhase.processEOFc S s | j �d� d S )Nz unexpected-char-after-framesetr� r� r( r( r) r� X s z7getPhases.<locals>.AfterFramesetPhase.processCharactersc S s | j jd �|�S r r� r� r( r( r) r [ s z6getPhases.<locals>.AfterFramesetPhase.startTagNoframesc S s | j �dd|d i� d S )Nz#unexpected-start-tag-after-framesetr? r� r� r( r( r) r� ^ s �z3getPhases.<locals>.AfterFramesetPhase.startTagOtherc S s | j jd | j _d S )N�afterAfterFrameset)rK rH r_ r� r( r( r) r� b s z0getPhases.<locals>.AfterFramesetPhase.endTagHtmlc S s | j �dd|d i� d S )Nz!unexpected-end-tag-after-framesetr? r� r� r( r( r) r� e s �z1getPhases.<locals>.AfterFramesetPhase.endTagOtherr� r N)r8 r9 r: r� r� r� r� r r� r� r� r r� r� r� r� r� r( r� r( r) �AfterFramesetPhaseP s ��r c @ s` e Zd Ze� Zdd� Zdd� Zdd� Zdd� Zd d � Z d d � Z d d� Z e � de fg�Ze e_dS )z&getPhases.<locals>.AfterAfterBodyPhasec S s d S r- r( rA r( r( r) r� w s z1getPhases.<locals>.AfterAfterBodyPhase.processEOFc S s | j �|| j j� d S r- r� r� r( r( r) r� z s z5getPhases.<locals>.AfterAfterBodyPhase.processCommentc S s | j jd �|�S r� r r� r( r( r) r� } s z=getPhases.<locals>.AfterAfterBodyPhase.processSpaceCharactersc S s | j �d� | j jd | j _|S )N�expected-eof-but-got-charr� r r� r( r( r) r� � s z8getPhases.<locals>.AfterAfterBodyPhase.processCharactersc S s | j jd �|�S r� r� r� r( r( r) r� � s z3getPhases.<locals>.AfterAfterBodyPhase.startTagHtmlc S s* | j �dd|d i� | j jd | j _|S )N� expected-eof-but-got-start-tagr? 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ZmemoizerG r� r� � Exceptionrt r( r( r( r) �<module> sN H 8 _ � _vendor/html5lib/__pycache__/serializer.cpython-39.opt-1.pyc 0000644 00000024757 15114542003 0017703 0 ustar 00 a [��f�= � @ sz d dl mZmZmZ d dlmZ d dlZd dlmZm Z ddl m Z m Z m Z ddl mZmZmZ ddlmZmZ d d lmZ d �e �d Ze�d e d �Ze�d e d �Zi Ze d�dkZ e e� � �D ]n\Z Z!e r�e e!�dks�e s�e e!�dkr�q�e!dkr�e e!�dk�re�"e!�Z!ne#e!�Z!e!ev�s0e �$� r�e ee!< q�dd� Z%ede%� d dd�Z&G dd� de'�Z(G dd� de)�Z*dS ) � )�absolute_import�division�unicode_literals)� text_typeN)�register_error�xmlcharrefreplace_errors� )� voidElements�booleanAttributes�spaceCharacters)�rcdataElements�entities� xmlEntities)� treewalkers�_utils)�escape� z"'=<>`�[�]u_ /` ᠏ ]u � �&c C s t | ttf��rg }g }d}t| j| j| j� �D ]n\}}|rDd}q2|| j }t�| j|t | j|d g�� �r�t� | j||d � �}d}nt |�}|� |� q2|D ]V}t �|�} | r�|� d� |� | � | �d�s�|� d� q�|� dt|�dd � � q�d�|�| jfS t| �S d S )NFr Tr �;z&#x%s;r )� isinstance�UnicodeEncodeError�UnicodeTranslateError� enumerate�object�start�endr ZisSurrogatePair�min�surrogatePairToCodepoint�ord�append�_encode_entity_map�get�endswith�hex�joinr ) �exc�resZ codepoints�skip�i�c�indexZ codepointZcp�e� r/ �C/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/serializer.py�htmlentityreplace_errors* s0 " r1 �htmlentityreplace�etreec K s( t �|�}tf i |��}|�|| �|�S )a� Serializes the input token stream using the specified treewalker :arg input: the token stream to serialize :arg tree: the treewalker to use :arg encoding: the encoding to use :arg serializer_opts: any options to pass to the :py:class:`html5lib.serializer.HTMLSerializer` that gets created :returns: the tree serialized as a string Example: >>> from html5lib.html5parser import parse >>> from html5lib.serializer import serialize >>> token_stream = parse('<html><body><p>Hi!</p></body></html>') >>> serialize(token_stream, omit_optional_tags=False) '<html><head></head><body><p>Hi!</p></body></html>' )r Z getTreeWalker�HTMLSerializer�render)�inputZtree�encodingZserializer_optsZwalker�sr/ r/ r0 � serializeK s r9 c @ s~ e Zd ZdZdZdZdZdZdZdZ dZ dZ dZ dZ dZdZdZdZdd� Zdd � Zd d � Zdd d�Zddd�Zddd�Zd S )r4 �legacy�"TF)�quote_attr_values� quote_char�use_best_quote_char�omit_optional_tags�minimize_boolean_attributes�use_trailing_solidus� space_before_trailing_solidus�escape_lt_in_attrs� escape_rcdata�resolve_entities�alphabetical_attributes�inject_meta_charset�strip_whitespace�sanitizec K sv t |�t | j� }t|�dkr2tdtt|�� ��d|v r@d| _| jD ] }t| ||�|t | |��� qFg | _ d| _ dS )aB Initialize HTMLSerializer :arg inject_meta_charset: Whether or not to inject the meta charset. 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r# r% r& r r/ r r r r r s r N) Z __future__r r r Zpip._vendor.sixr Zbisectr Z_baser ZABCTrier r r r �<module> s _vendor/html5lib/_trie/__init__.py 0000644 00000000155 15114542003 0013127 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from .py import Trie __all__ = ["Trie"] _vendor/html5lib/_trie/_base.py 0000644 00000001765 15114542003 0012451 0 ustar 00 from __future__ import absolute_import, division, unicode_literals try: from collections.abc import Mapping except ImportError: # Python 2.7 from collections import Mapping class Trie(Mapping): """Abstract base class for tries""" def keys(self, prefix=None): # pylint:disable=arguments-differ keys = super(Trie, self).keys() if prefix is None: return set(keys) return {x for x in keys if x.startswith(prefix)} def has_keys_with_prefix(self, prefix): for key in self.keys(): if key.startswith(prefix): return True return False def longest_prefix(self, prefix): if prefix in self: return prefix for i in range(1, len(prefix) + 1): if prefix[:-i] in self: return prefix[:-i] raise KeyError(prefix) def longest_prefix_item(self, prefix): lprefix = self.longest_prefix(prefix) return (lprefix, self[lprefix]) _vendor/html5lib/_trie/py.py 0000644 00000003357 15114542003 0012027 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type from bisect import bisect_left from ._base import Trie as ABCTrie class Trie(ABCTrie): def __init__(self, data): if not all(isinstance(x, text_type) for x in data.keys()): raise TypeError("All keys must be strings") self._data = data self._keys = sorted(data.keys()) self._cachestr = "" self._cachepoints = (0, len(data)) def __contains__(self, key): return key in self._data def __len__(self): return len(self._data) def __iter__(self): return iter(self._data) def __getitem__(self, key): return self._data[key] def keys(self, prefix=None): if prefix is None or prefix == "" or not self._keys: return set(self._keys) if prefix.startswith(self._cachestr): lo, hi = self._cachepoints start = i = bisect_left(self._keys, prefix, lo, hi) else: start = i = bisect_left(self._keys, prefix) keys = set() if start == len(self._keys): return keys while self._keys[i].startswith(prefix): keys.add(self._keys[i]) i += 1 self._cachestr = prefix self._cachepoints = (start, i) return keys def has_keys_with_prefix(self, prefix): if prefix in self._data: return True if prefix.startswith(self._cachestr): lo, hi = self._cachepoints i = bisect_left(self._keys, prefix, lo, hi) else: i = bisect_left(self._keys, prefix) if i == len(self._keys): return False return self._keys[i].startswith(prefix) _vendor/html5lib/filters/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000244 15114542003 0020722 0 ustar 00 a [��f � @ s d S )N� r r r �I/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/filters/__init__.py�<module> � _vendor/html5lib/filters/__pycache__/__init__.cpython-39.pyc 0000644 00000000244 15114542003 0017763 0 ustar 00 a [��f � @ s d S )N� r r r �I/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/filters/__init__.py�<module> � _vendor/html5lib/filters/__pycache__/alphabeticalattributes.cpython-39.opt-1.pyc 0000644 00000002406 15114542003 0023705 0 ustar 00 a [��f� � @ sJ d dl mZmZmZ ddlmZ d dlmZ dd� ZG dd� dej �Z d S ) � )�absolute_import�division�unicode_literals� )�base)� OrderedDictc C s | d d pd| d d fS )z�Return an appropriate key for an attribute for sorting Attributes have a namespace that can be either ``None`` or a string. 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� )�absolute_import�division�unicode_literalsN� )�base� )�rcdataElements�spaceCharacters� z[%s]+c @ s, e Zd ZdZeddgee� �Zdd� ZdS )�FilterzACollapses whitespace except in pre, textarea, and script elementsZpreZtextareac c s� d}t j�| �D ]�}|d }|dkr@|s6|d | jv r@|d7 }nP|dkrV|rV|d8 }n:|st|dkrt|d rtd |d< n |s�|d kr�t|d �|d< |V qd S ) Nr �typeZStartTag�namer ZEndTagZSpaceCharacters�data� Z Characters)r r �__iter__�spacePreserveElements�collapse_spaces)�selfZpreserve�tokenr � r �K/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/filters/whitespace.pyr s � � zFilter.__iter__N) �__name__� __module__� __qualname__�__doc__� frozenset�listr r r r r r r r s r c C s t �d| �S )Nr )� SPACES_REGEX�sub)�textr r r r % s r )Z __future__r r r �rer r Z constantsr r �join�compiler r r r r r r �<module> s _vendor/html5lib/filters/__init__.py 0000644 00000000000 15114542003 0013462 0 ustar 00 _vendor/html5lib/filters/alphabeticalattributes.py 0000644 00000001627 15114542003 0016463 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from . import base from collections import OrderedDict def _attr_key(attr): """Return an appropriate key for an attribute for sorting Attributes have a namespace that can be either ``None`` or a string. We can't compare the two because they're different types, so we convert ``None`` to an empty string first. """ return (attr[0][0] or ''), attr[0][1] class Filter(base.Filter): """Alphabetizes attributes for elements""" def __iter__(self): for token in base.Filter.__iter__(self): if token["type"] in ("StartTag", "EmptyTag"): attrs = OrderedDict() for name, value in sorted(token["data"].items(), key=_attr_key): attrs[name] = value token["data"] = attrs yield token _vendor/html5lib/filters/base.py 0000644 00000000436 15114542003 0012652 0 ustar 00 from __future__ import absolute_import, division, unicode_literals class Filter(object): def __init__(self, source): self.source = source def __iter__(self): return iter(self.source) def __getattr__(self, name): return getattr(self.source, name) _vendor/html5lib/filters/inject_meta_charset.py 0000644 00000005601 15114542003 0015732 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from . import base class Filter(base.Filter): """Injects ``<meta charset=ENCODING>`` tag into head of document""" def __init__(self, source, encoding): """Creates a Filter :arg source: the source token stream :arg encoding: the encoding to set """ base.Filter.__init__(self, source) self.encoding = encoding def __iter__(self): state = "pre_head" meta_found = (self.encoding is None) pending = [] for token in base.Filter.__iter__(self): type = token["type"] if type == "StartTag": if token["name"].lower() == "head": state = "in_head" elif type == "EmptyTag": if token["name"].lower() == "meta": # replace charset with actual encoding has_http_equiv_content_type = False for (namespace, name), value in token["data"].items(): if namespace is not None: continue elif name.lower() == 'charset': token["data"][(namespace, name)] = self.encoding meta_found = True break elif name == 'http-equiv' and value.lower() == 'content-type': has_http_equiv_content_type = True else: if has_http_equiv_content_type and (None, "content") in token["data"]: token["data"][(None, "content")] = 'text/html; charset=%s' % self.encoding meta_found = True elif token["name"].lower() == "head" and not meta_found: # insert meta into empty head yield {"type": "StartTag", "name": "head", "data": token["data"]} yield {"type": "EmptyTag", "name": "meta", "data": {(None, "charset"): self.encoding}} yield {"type": "EndTag", "name": "head"} meta_found = True continue elif type == "EndTag": if token["name"].lower() == "head" and pending: # insert meta into head (if necessary) and flush pending queue yield pending.pop(0) if not meta_found: yield {"type": "EmptyTag", "name": "meta", "data": {(None, "charset"): self.encoding}} while pending: yield pending.pop(0) meta_found = True state = "post_head" if state == "in_head": pending.append(token) else: yield token _vendor/html5lib/filters/lint.py 0000644 00000007073 15114542003 0012712 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type from . import base from ..constants import namespaces, voidElements from ..constants import spaceCharacters spaceCharacters = "".join(spaceCharacters) class Filter(base.Filter): """Lints the token stream for errors If it finds any errors, it'll raise an ``AssertionError``. """ def __init__(self, source, require_matching_tags=True): """Creates a Filter :arg source: the source token stream :arg require_matching_tags: whether or not to require matching tags """ super(Filter, self).__init__(source) self.require_matching_tags = require_matching_tags def __iter__(self): open_elements = [] for token in base.Filter.__iter__(self): type = token["type"] if type in ("StartTag", "EmptyTag"): namespace = token["namespace"] name = token["name"] assert namespace is None or isinstance(namespace, text_type) assert namespace != "" assert isinstance(name, text_type) assert name != "" assert isinstance(token["data"], dict) if (not namespace or namespace == namespaces["html"]) and name in voidElements: assert type == "EmptyTag" else: assert type == "StartTag" if type == "StartTag" and self.require_matching_tags: open_elements.append((namespace, name)) for (namespace, name), value in token["data"].items(): assert namespace is None or isinstance(namespace, text_type) assert namespace != "" assert isinstance(name, text_type) assert name != "" assert isinstance(value, text_type) elif type == "EndTag": namespace = token["namespace"] name = token["name"] assert namespace is None or isinstance(namespace, text_type) assert namespace != "" assert isinstance(name, text_type) assert name != "" if (not namespace or namespace == namespaces["html"]) and name in voidElements: assert False, "Void element reported as EndTag token: %(tag)s" % {"tag": name} elif self.require_matching_tags: start = open_elements.pop() assert start == (namespace, name) elif type == "Comment": data = token["data"] assert isinstance(data, text_type) elif type in ("Characters", "SpaceCharacters"): data = token["data"] assert isinstance(data, text_type) assert data != "" if type == "SpaceCharacters": assert data.strip(spaceCharacters) == "" elif type == "Doctype": name = token["name"] assert name is None or isinstance(name, text_type) assert token["publicId"] is None or isinstance(name, text_type) assert token["systemId"] is None or isinstance(name, text_type) elif type == "Entity": assert isinstance(token["name"], text_type) elif type == "SerializerError": assert isinstance(token["data"], text_type) else: assert False, "Unknown token type: %(type)s" % {"type": type} yield token _vendor/html5lib/filters/optionaltags.py 0000644 00000024534 15114542003 0014451 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from . import base class Filter(base.Filter): """Removes optional tags from the token stream""" def slider(self): previous1 = previous2 = None for token in self.source: if previous1 is not None: yield previous2, previous1, token previous2 = previous1 previous1 = token if previous1 is not None: yield previous2, previous1, None def __iter__(self): for previous, token, next in self.slider(): type = token["type"] if type == "StartTag": if (token["data"] or not self.is_optional_start(token["name"], previous, next)): yield token elif type == "EndTag": if not self.is_optional_end(token["name"], next): yield token else: yield token def is_optional_start(self, tagname, previous, next): type = next and next["type"] or None if tagname in 'html': # An html element's start tag may be omitted if the first thing # inside the html element is not a space character or a comment. return type not in ("Comment", "SpaceCharacters") elif tagname == 'head': # A head element's start tag may be omitted if the first thing # inside the head element is an element. # XXX: we also omit the start tag if the head element is empty if type in ("StartTag", "EmptyTag"): return True elif type == "EndTag": return next["name"] == "head" elif tagname == 'body': # A body element's start tag may be omitted if the first thing # inside the body element is not a space character or a comment, # except if the first thing inside the body element is a script # or style element and the node immediately preceding the body # element is a head element whose end tag has been omitted. if type in ("Comment", "SpaceCharacters"): return False elif type == "StartTag": # XXX: we do not look at the preceding event, so we never omit # the body element's start tag if it's followed by a script or # a style element. return next["name"] not in ('script', 'style') else: return True elif tagname == 'colgroup': # A colgroup element's start tag may be omitted if the first thing # inside the colgroup element is a col element, and if the element # is not immediately preceded by another colgroup element whose # end tag has been omitted. if type in ("StartTag", "EmptyTag"): # XXX: we do not look at the preceding event, so instead we never # omit the colgroup element's end tag when it is immediately # followed by another colgroup element. See is_optional_end. return next["name"] == "col" else: return False elif tagname == 'tbody': # A tbody element's start tag may be omitted if the first thing # inside the tbody element is a tr element, and if the element is # not immediately preceded by a tbody, thead, or tfoot element # whose end tag has been omitted. if type == "StartTag": # omit the thead and tfoot elements' end tag when they are # immediately followed by a tbody element. See is_optional_end. if previous and previous['type'] == 'EndTag' and \ previous['name'] in ('tbody', 'thead', 'tfoot'): return False return next["name"] == 'tr' else: return False return False def is_optional_end(self, tagname, next): type = next and next["type"] or None if tagname in ('html', 'head', 'body'): # An html element's end tag may be omitted if the html element # is not immediately followed by a space character or a comment. return type not in ("Comment", "SpaceCharacters") elif tagname in ('li', 'optgroup', 'tr'): # A li element's end tag may be omitted if the li element is # immediately followed by another li element or if there is # no more content in the parent element. # An optgroup element's end tag may be omitted if the optgroup # element is immediately followed by another optgroup element, # or if there is no more content in the parent element. # A tr element's end tag may be omitted if the tr element is # immediately followed by another tr element, or if there is # no more content in the parent element. if type == "StartTag": return next["name"] == tagname else: return type == "EndTag" or type is None elif tagname in ('dt', 'dd'): # A dt element's end tag may be omitted if the dt element is # immediately followed by another dt element or a dd element. # A dd element's end tag may be omitted if the dd element is # immediately followed by another dd element or a dt element, # or if there is no more content in the parent element. if type == "StartTag": return next["name"] in ('dt', 'dd') elif tagname == 'dd': return type == "EndTag" or type is None else: return False elif tagname == 'p': # A p element's end tag may be omitted if the p element is # immediately followed by an address, article, aside, # blockquote, datagrid, dialog, dir, div, dl, fieldset, # footer, form, h1, h2, h3, h4, h5, h6, header, hr, menu, # nav, ol, p, pre, section, table, or ul, element, or if # there is no more content in the parent element. if type in ("StartTag", "EmptyTag"): return next["name"] in ('address', 'article', 'aside', 'blockquote', 'datagrid', 'dialog', 'dir', 'div', 'dl', 'fieldset', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'hr', 'menu', 'nav', 'ol', 'p', 'pre', 'section', 'table', 'ul') else: return type == "EndTag" or type is None elif tagname == 'option': # An option element's end tag may be omitted if the option # element is immediately followed by another option element, # or if it is immediately followed by an <code>optgroup</code> # element, or if there is no more content in the parent # element. if type == "StartTag": return next["name"] in ('option', 'optgroup') else: return type == "EndTag" or type is None elif tagname in ('rt', 'rp'): # An rt element's end tag may be omitted if the rt element is # immediately followed by an rt or rp element, or if there is # no more content in the parent element. # An rp element's end tag may be omitted if the rp element is # immediately followed by an rt or rp element, or if there is # no more content in the parent element. if type == "StartTag": return next["name"] in ('rt', 'rp') else: return type == "EndTag" or type is None elif tagname == 'colgroup': # A colgroup element's end tag may be omitted if the colgroup # element is not immediately followed by a space character or # a comment. if type in ("Comment", "SpaceCharacters"): return False elif type == "StartTag": # XXX: we also look for an immediately following colgroup # element. See is_optional_start. return next["name"] != 'colgroup' else: return True elif tagname in ('thead', 'tbody'): # A thead element's end tag may be omitted if the thead element # is immediately followed by a tbody or tfoot element. # A tbody element's end tag may be omitted if the tbody element # is immediately followed by a tbody or tfoot element, or if # there is no more content in the parent element. # A tfoot element's end tag may be omitted if the tfoot element # is immediately followed by a tbody element, or if there is no # more content in the parent element. # XXX: we never omit the end tag when the following element is # a tbody. See is_optional_start. if type == "StartTag": return next["name"] in ['tbody', 'tfoot'] elif tagname == 'tbody': return type == "EndTag" or type is None else: return False elif tagname == 'tfoot': # A tfoot element's end tag may be omitted if the tfoot element # is immediately followed by a tbody element, or if there is no # more content in the parent element. # XXX: we never omit the end tag when the following element is # a tbody. See is_optional_start. if type == "StartTag": return next["name"] == 'tbody' else: return type == "EndTag" or type is None elif tagname in ('td', 'th'): # A td element's end tag may be omitted if the td element is # immediately followed by a td or th element, or if there is # no more content in the parent element. # A th element's end tag may be omitted if the th element is # immediately followed by a td or th element, or if there is # no more content in the parent element. if type == "StartTag": return next["name"] in ('td', 'th') else: return type == "EndTag" or type is None return False _vendor/html5lib/filters/sanitizer.py 0000644 00000064421 15114542003 0013754 0 ustar 00 """Deprecated from html5lib 1.1. See `here <https://github.com/html5lib/html5lib-python/issues/443>`_ for information about its deprecation; `Bleach <https://github.com/mozilla/bleach>`_ is recommended as a replacement. Please let us know in the aforementioned issue if Bleach is unsuitable for your needs. """ from __future__ import absolute_import, division, unicode_literals import re import warnings from xml.sax.saxutils import escape, unescape from pip._vendor.six.moves import urllib_parse as urlparse from . import base from ..constants import namespaces, prefixes __all__ = ["Filter"] _deprecation_msg = ( "html5lib's sanitizer is deprecated; see " + "https://github.com/html5lib/html5lib-python/issues/443 and please let " + "us know if Bleach is unsuitable for your needs" ) warnings.warn(_deprecation_msg, DeprecationWarning) allowed_elements = frozenset(( (namespaces['html'], 'a'), (namespaces['html'], 'abbr'), (namespaces['html'], 'acronym'), (namespaces['html'], 'address'), (namespaces['html'], 'area'), (namespaces['html'], 'article'), (namespaces['html'], 'aside'), (namespaces['html'], 'audio'), (namespaces['html'], 'b'), (namespaces['html'], 'big'), (namespaces['html'], 'blockquote'), (namespaces['html'], 'br'), (namespaces['html'], 'button'), (namespaces['html'], 'canvas'), (namespaces['html'], 'caption'), (namespaces['html'], 'center'), (namespaces['html'], 'cite'), (namespaces['html'], 'code'), (namespaces['html'], 'col'), (namespaces['html'], 'colgroup'), (namespaces['html'], 'command'), (namespaces['html'], 'datagrid'), (namespaces['html'], 'datalist'), (namespaces['html'], 'dd'), (namespaces['html'], 'del'), (namespaces['html'], 'details'), (namespaces['html'], 'dfn'), (namespaces['html'], 'dialog'), (namespaces['html'], 'dir'), (namespaces['html'], 'div'), (namespaces['html'], 'dl'), (namespaces['html'], 'dt'), (namespaces['html'], 'em'), (namespaces['html'], 'event-source'), (namespaces['html'], 'fieldset'), (namespaces['html'], 'figcaption'), (namespaces['html'], 'figure'), (namespaces['html'], 'footer'), (namespaces['html'], 'font'), (namespaces['html'], 'form'), (namespaces['html'], 'header'), (namespaces['html'], 'h1'), (namespaces['html'], 'h2'), (namespaces['html'], 'h3'), (namespaces['html'], 'h4'), (namespaces['html'], 'h5'), (namespaces['html'], 'h6'), (namespaces['html'], 'hr'), (namespaces['html'], 'i'), (namespaces['html'], 'img'), (namespaces['html'], 'input'), (namespaces['html'], 'ins'), (namespaces['html'], 'keygen'), (namespaces['html'], 'kbd'), (namespaces['html'], 'label'), (namespaces['html'], 'legend'), (namespaces['html'], 'li'), (namespaces['html'], 'm'), (namespaces['html'], 'map'), (namespaces['html'], 'menu'), (namespaces['html'], 'meter'), (namespaces['html'], 'multicol'), (namespaces['html'], 'nav'), (namespaces['html'], 'nextid'), (namespaces['html'], 'ol'), (namespaces['html'], 'output'), (namespaces['html'], 'optgroup'), (namespaces['html'], 'option'), (namespaces['html'], 'p'), (namespaces['html'], 'pre'), (namespaces['html'], 'progress'), (namespaces['html'], 'q'), (namespaces['html'], 's'), (namespaces['html'], 'samp'), (namespaces['html'], 'section'), (namespaces['html'], 'select'), (namespaces['html'], 'small'), (namespaces['html'], 'sound'), (namespaces['html'], 'source'), (namespaces['html'], 'spacer'), (namespaces['html'], 'span'), (namespaces['html'], 'strike'), (namespaces['html'], 'strong'), (namespaces['html'], 'sub'), (namespaces['html'], 'sup'), (namespaces['html'], 'table'), (namespaces['html'], 'tbody'), (namespaces['html'], 'td'), (namespaces['html'], 'textarea'), (namespaces['html'], 'time'), (namespaces['html'], 'tfoot'), (namespaces['html'], 'th'), (namespaces['html'], 'thead'), (namespaces['html'], 'tr'), (namespaces['html'], 'tt'), (namespaces['html'], 'u'), (namespaces['html'], 'ul'), (namespaces['html'], 'var'), (namespaces['html'], 'video'), (namespaces['mathml'], 'maction'), (namespaces['mathml'], 'math'), (namespaces['mathml'], 'merror'), (namespaces['mathml'], 'mfrac'), (namespaces['mathml'], 'mi'), (namespaces['mathml'], 'mmultiscripts'), (namespaces['mathml'], 'mn'), (namespaces['mathml'], 'mo'), (namespaces['mathml'], 'mover'), (namespaces['mathml'], 'mpadded'), (namespaces['mathml'], 'mphantom'), (namespaces['mathml'], 'mprescripts'), (namespaces['mathml'], 'mroot'), (namespaces['mathml'], 'mrow'), (namespaces['mathml'], 'mspace'), (namespaces['mathml'], 'msqrt'), (namespaces['mathml'], 'mstyle'), (namespaces['mathml'], 'msub'), (namespaces['mathml'], 'msubsup'), (namespaces['mathml'], 'msup'), (namespaces['mathml'], 'mtable'), (namespaces['mathml'], 'mtd'), (namespaces['mathml'], 'mtext'), (namespaces['mathml'], 'mtr'), (namespaces['mathml'], 'munder'), (namespaces['mathml'], 'munderover'), (namespaces['mathml'], 'none'), (namespaces['svg'], 'a'), (namespaces['svg'], 'animate'), (namespaces['svg'], 'animateColor'), (namespaces['svg'], 'animateMotion'), (namespaces['svg'], 'animateTransform'), (namespaces['svg'], 'clipPath'), (namespaces['svg'], 'circle'), (namespaces['svg'], 'defs'), (namespaces['svg'], 'desc'), (namespaces['svg'], 'ellipse'), (namespaces['svg'], 'font-face'), (namespaces['svg'], 'font-face-name'), (namespaces['svg'], 'font-face-src'), (namespaces['svg'], 'g'), (namespaces['svg'], 'glyph'), (namespaces['svg'], 'hkern'), (namespaces['svg'], 'linearGradient'), (namespaces['svg'], 'line'), (namespaces['svg'], 'marker'), (namespaces['svg'], 'metadata'), (namespaces['svg'], 'missing-glyph'), (namespaces['svg'], 'mpath'), (namespaces['svg'], 'path'), (namespaces['svg'], 'polygon'), (namespaces['svg'], 'polyline'), (namespaces['svg'], 'radialGradient'), (namespaces['svg'], 'rect'), (namespaces['svg'], 'set'), (namespaces['svg'], 'stop'), (namespaces['svg'], 'svg'), (namespaces['svg'], 'switch'), (namespaces['svg'], 'text'), (namespaces['svg'], 'title'), (namespaces['svg'], 'tspan'), (namespaces['svg'], 'use'), )) allowed_attributes = frozenset(( # HTML attributes (None, 'abbr'), (None, 'accept'), (None, 'accept-charset'), (None, 'accesskey'), (None, 'action'), (None, 'align'), (None, 'alt'), (None, 'autocomplete'), (None, 'autofocus'), (None, 'axis'), (None, 'background'), (None, 'balance'), (None, 'bgcolor'), (None, 'bgproperties'), (None, 'border'), (None, 'bordercolor'), (None, 'bordercolordark'), (None, 'bordercolorlight'), (None, 'bottompadding'), (None, 'cellpadding'), (None, 'cellspacing'), (None, 'ch'), (None, 'challenge'), (None, 'char'), (None, 'charoff'), (None, 'choff'), (None, 'charset'), (None, 'checked'), (None, 'cite'), (None, 'class'), (None, 'clear'), (None, 'color'), (None, 'cols'), (None, 'colspan'), (None, 'compact'), (None, 'contenteditable'), (None, 'controls'), (None, 'coords'), (None, 'data'), (None, 'datafld'), (None, 'datapagesize'), (None, 'datasrc'), (None, 'datetime'), (None, 'default'), (None, 'delay'), (None, 'dir'), (None, 'disabled'), (None, 'draggable'), (None, 'dynsrc'), (None, 'enctype'), (None, 'end'), (None, 'face'), (None, 'for'), (None, 'form'), (None, 'frame'), (None, 'galleryimg'), (None, 'gutter'), (None, 'headers'), (None, 'height'), (None, 'hidefocus'), (None, 'hidden'), (None, 'high'), (None, 'href'), (None, 'hreflang'), (None, 'hspace'), (None, 'icon'), (None, 'id'), (None, 'inputmode'), (None, 'ismap'), (None, 'keytype'), (None, 'label'), (None, 'leftspacing'), (None, 'lang'), (None, 'list'), (None, 'longdesc'), (None, 'loop'), (None, 'loopcount'), (None, 'loopend'), (None, 'loopstart'), (None, 'low'), (None, 'lowsrc'), (None, 'max'), (None, 'maxlength'), (None, 'media'), (None, 'method'), (None, 'min'), (None, 'multiple'), (None, 'name'), (None, 'nohref'), (None, 'noshade'), (None, 'nowrap'), (None, 'open'), (None, 'optimum'), (None, 'pattern'), (None, 'ping'), (None, 'point-size'), (None, 'poster'), (None, 'pqg'), (None, 'preload'), (None, 'prompt'), (None, 'radiogroup'), (None, 'readonly'), (None, 'rel'), (None, 'repeat-max'), (None, 'repeat-min'), (None, 'replace'), (None, 'required'), (None, 'rev'), (None, 'rightspacing'), (None, 'rows'), (None, 'rowspan'), (None, 'rules'), (None, 'scope'), (None, 'selected'), (None, 'shape'), (None, 'size'), (None, 'span'), (None, 'src'), (None, 'start'), (None, 'step'), (None, 'style'), (None, 'summary'), (None, 'suppress'), (None, 'tabindex'), (None, 'target'), (None, 'template'), (None, 'title'), (None, 'toppadding'), (None, 'type'), (None, 'unselectable'), (None, 'usemap'), (None, 'urn'), (None, 'valign'), (None, 'value'), (None, 'variable'), (None, 'volume'), (None, 'vspace'), (None, 'vrml'), (None, 'width'), (None, 'wrap'), (namespaces['xml'], 'lang'), # MathML attributes (None, 'actiontype'), (None, 'align'), (None, 'columnalign'), (None, 'columnalign'), (None, 'columnalign'), (None, 'columnlines'), (None, 'columnspacing'), (None, 'columnspan'), (None, 'depth'), (None, 'display'), (None, 'displaystyle'), (None, 'equalcolumns'), (None, 'equalrows'), (None, 'fence'), (None, 'fontstyle'), (None, 'fontweight'), (None, 'frame'), (None, 'height'), (None, 'linethickness'), (None, 'lspace'), (None, 'mathbackground'), (None, 'mathcolor'), (None, 'mathvariant'), (None, 'mathvariant'), (None, 'maxsize'), (None, 'minsize'), (None, 'other'), (None, 'rowalign'), (None, 'rowalign'), (None, 'rowalign'), (None, 'rowlines'), (None, 'rowspacing'), (None, 'rowspan'), (None, 'rspace'), (None, 'scriptlevel'), (None, 'selection'), (None, 'separator'), (None, 'stretchy'), (None, 'width'), (None, 'width'), (namespaces['xlink'], 'href'), (namespaces['xlink'], 'show'), (namespaces['xlink'], 'type'), # SVG attributes (None, 'accent-height'), (None, 'accumulate'), (None, 'additive'), (None, 'alphabetic'), (None, 'arabic-form'), (None, 'ascent'), (None, 'attributeName'), (None, 'attributeType'), (None, 'baseProfile'), (None, 'bbox'), (None, 'begin'), (None, 'by'), (None, 'calcMode'), (None, 'cap-height'), (None, 'class'), (None, 'clip-path'), (None, 'color'), (None, 'color-rendering'), (None, 'content'), (None, 'cx'), (None, 'cy'), (None, 'd'), (None, 'dx'), (None, 'dy'), (None, 'descent'), (None, 'display'), (None, 'dur'), (None, 'end'), (None, 'fill'), (None, 'fill-opacity'), (None, 'fill-rule'), (None, 'font-family'), (None, 'font-size'), (None, 'font-stretch'), (None, 'font-style'), (None, 'font-variant'), (None, 'font-weight'), (None, 'from'), (None, 'fx'), (None, 'fy'), (None, 'g1'), (None, 'g2'), (None, 'glyph-name'), (None, 'gradientUnits'), (None, 'hanging'), (None, 'height'), (None, 'horiz-adv-x'), (None, 'horiz-origin-x'), (None, 'id'), (None, 'ideographic'), (None, 'k'), (None, 'keyPoints'), (None, 'keySplines'), (None, 'keyTimes'), (None, 'lang'), (None, 'marker-end'), (None, 'marker-mid'), (None, 'marker-start'), (None, 'markerHeight'), (None, 'markerUnits'), (None, 'markerWidth'), (None, 'mathematical'), (None, 'max'), (None, 'min'), (None, 'name'), (None, 'offset'), (None, 'opacity'), (None, 'orient'), (None, 'origin'), (None, 'overline-position'), (None, 'overline-thickness'), (None, 'panose-1'), (None, 'path'), (None, 'pathLength'), (None, 'points'), (None, 'preserveAspectRatio'), (None, 'r'), (None, 'refX'), (None, 'refY'), (None, 'repeatCount'), (None, 'repeatDur'), (None, 'requiredExtensions'), (None, 'requiredFeatures'), (None, 'restart'), (None, 'rotate'), (None, 'rx'), (None, 'ry'), (None, 'slope'), (None, 'stemh'), (None, 'stemv'), (None, 'stop-color'), (None, 'stop-opacity'), (None, 'strikethrough-position'), (None, 'strikethrough-thickness'), (None, 'stroke'), (None, 'stroke-dasharray'), (None, 'stroke-dashoffset'), (None, 'stroke-linecap'), (None, 'stroke-linejoin'), (None, 'stroke-miterlimit'), (None, 'stroke-opacity'), (None, 'stroke-width'), (None, 'systemLanguage'), (None, 'target'), (None, 'text-anchor'), (None, 'to'), (None, 'transform'), (None, 'type'), (None, 'u1'), (None, 'u2'), (None, 'underline-position'), (None, 'underline-thickness'), (None, 'unicode'), (None, 'unicode-range'), (None, 'units-per-em'), (None, 'values'), (None, 'version'), (None, 'viewBox'), (None, 'visibility'), (None, 'width'), (None, 'widths'), (None, 'x'), (None, 'x-height'), (None, 'x1'), (None, 'x2'), (namespaces['xlink'], 'actuate'), (namespaces['xlink'], 'arcrole'), (namespaces['xlink'], 'href'), (namespaces['xlink'], 'role'), (namespaces['xlink'], 'show'), (namespaces['xlink'], 'title'), (namespaces['xlink'], 'type'), (namespaces['xml'], 'base'), (namespaces['xml'], 'lang'), (namespaces['xml'], 'space'), (None, 'y'), (None, 'y1'), (None, 'y2'), (None, 'zoomAndPan'), )) attr_val_is_uri = frozenset(( (None, 'href'), (None, 'src'), (None, 'cite'), (None, 'action'), (None, 'longdesc'), (None, 'poster'), (None, 'background'), (None, 'datasrc'), (None, 'dynsrc'), (None, 'lowsrc'), (None, 'ping'), (namespaces['xlink'], 'href'), (namespaces['xml'], 'base'), )) svg_attr_val_allows_ref = frozenset(( (None, 'clip-path'), (None, 'color-profile'), (None, 'cursor'), (None, 'fill'), (None, 'filter'), (None, 'marker'), (None, 'marker-start'), (None, 'marker-mid'), (None, 'marker-end'), (None, 'mask'), (None, 'stroke'), )) svg_allow_local_href = frozenset(( (None, 'altGlyph'), (None, 'animate'), (None, 'animateColor'), (None, 'animateMotion'), (None, 'animateTransform'), (None, 'cursor'), (None, 'feImage'), (None, 'filter'), (None, 'linearGradient'), (None, 'pattern'), (None, 'radialGradient'), (None, 'textpath'), (None, 'tref'), (None, 'set'), (None, 'use') )) allowed_css_properties = frozenset(( 'azimuth', 'background-color', 'border-bottom-color', 'border-collapse', 'border-color', 'border-left-color', 'border-right-color', 'border-top-color', 'clear', 'color', 'cursor', 'direction', 'display', 'elevation', 'float', 'font', 'font-family', 'font-size', 'font-style', 'font-variant', 'font-weight', 'height', 'letter-spacing', 'line-height', 'overflow', 'pause', 'pause-after', 'pause-before', 'pitch', 'pitch-range', 'richness', 'speak', 'speak-header', 'speak-numeral', 'speak-punctuation', 'speech-rate', 'stress', 'text-align', 'text-decoration', 'text-indent', 'unicode-bidi', 'vertical-align', 'voice-family', 'volume', 'white-space', 'width', )) allowed_css_keywords = frozenset(( 'auto', 'aqua', 'black', 'block', 'blue', 'bold', 'both', 'bottom', 'brown', 'center', 'collapse', 'dashed', 'dotted', 'fuchsia', 'gray', 'green', '!important', 'italic', 'left', 'lime', 'maroon', 'medium', 'none', 'navy', 'normal', 'nowrap', 'olive', 'pointer', 'purple', 'red', 'right', 'solid', 'silver', 'teal', 'top', 'transparent', 'underline', 'white', 'yellow', )) allowed_svg_properties = frozenset(( 'fill', 'fill-opacity', 'fill-rule', 'stroke', 'stroke-width', 'stroke-linecap', 'stroke-linejoin', 'stroke-opacity', )) allowed_protocols = frozenset(( 'ed2k', 'ftp', 'http', 'https', 'irc', 'mailto', 'news', 'gopher', 'nntp', 'telnet', 'webcal', 'xmpp', 'callto', 'feed', 'urn', 'aim', 'rsync', 'tag', 'ssh', 'sftp', 'rtsp', 'afs', 'data', )) allowed_content_types = frozenset(( 'image/png', 'image/jpeg', 'image/gif', 'image/webp', 'image/bmp', 'text/plain', )) data_content_type = re.compile(r''' ^ # Match a content type <application>/<type> (?P<content_type>[-a-zA-Z0-9.]+/[-a-zA-Z0-9.]+) # Match any character set and encoding (?:(?:;charset=(?:[-a-zA-Z0-9]+)(?:;(?:base64))?) |(?:;(?:base64))?(?:;charset=(?:[-a-zA-Z0-9]+))?) # Assume the rest is data ,.* $ ''', re.VERBOSE) class Filter(base.Filter): """Sanitizes token stream of XHTML+MathML+SVG and of inline style attributes""" def __init__(self, source, allowed_elements=allowed_elements, allowed_attributes=allowed_attributes, allowed_css_properties=allowed_css_properties, allowed_css_keywords=allowed_css_keywords, allowed_svg_properties=allowed_svg_properties, allowed_protocols=allowed_protocols, allowed_content_types=allowed_content_types, attr_val_is_uri=attr_val_is_uri, svg_attr_val_allows_ref=svg_attr_val_allows_ref, svg_allow_local_href=svg_allow_local_href): """Creates a Filter :arg allowed_elements: set of elements to allow--everything else will be escaped :arg allowed_attributes: set of attributes to allow in elements--everything else will be stripped :arg allowed_css_properties: set of CSS properties to allow--everything else will be stripped :arg allowed_css_keywords: set of CSS keywords to allow--everything else will be stripped :arg allowed_svg_properties: set of SVG properties to allow--everything else will be removed :arg allowed_protocols: set of allowed protocols for URIs :arg allowed_content_types: set of allowed content types for ``data`` URIs. :arg attr_val_is_uri: set of attributes that have URI values--values that have a scheme not listed in ``allowed_protocols`` are removed :arg svg_attr_val_allows_ref: set of SVG attributes that can have references :arg svg_allow_local_href: set of SVG elements that can have local hrefs--these are removed """ super(Filter, self).__init__(source) warnings.warn(_deprecation_msg, DeprecationWarning) self.allowed_elements = allowed_elements self.allowed_attributes = allowed_attributes self.allowed_css_properties = allowed_css_properties self.allowed_css_keywords = allowed_css_keywords self.allowed_svg_properties = allowed_svg_properties self.allowed_protocols = allowed_protocols self.allowed_content_types = allowed_content_types self.attr_val_is_uri = attr_val_is_uri self.svg_attr_val_allows_ref = svg_attr_val_allows_ref self.svg_allow_local_href = svg_allow_local_href def __iter__(self): for token in base.Filter.__iter__(self): token = self.sanitize_token(token) if token: yield token # Sanitize the +html+, escaping all elements not in ALLOWED_ELEMENTS, and # stripping out all attributes not in ALLOWED_ATTRIBUTES. Style attributes # are parsed, and a restricted set, specified by ALLOWED_CSS_PROPERTIES and # ALLOWED_CSS_KEYWORDS, are allowed through. attributes in ATTR_VAL_IS_URI # are scanned, and only URI schemes specified in ALLOWED_PROTOCOLS are # allowed. # # sanitize_html('<script> do_nasty_stuff() </script>') # => <script> do_nasty_stuff() </script> # sanitize_html('<a href="javascript: sucker();">Click here for $100</a>') # => <a>Click here for $100</a> def sanitize_token(self, token): # accommodate filters which use token_type differently token_type = token["type"] if token_type in ("StartTag", "EndTag", "EmptyTag"): name = token["name"] namespace = token["namespace"] if ((namespace, name) in self.allowed_elements or (namespace is None and (namespaces["html"], name) in self.allowed_elements)): return self.allowed_token(token) else: return self.disallowed_token(token) elif token_type == "Comment": pass else: return token def allowed_token(self, token): if "data" in token: attrs = token["data"] attr_names = set(attrs.keys()) # Remove forbidden attributes for to_remove in (attr_names - self.allowed_attributes): del token["data"][to_remove] attr_names.remove(to_remove) # Remove attributes with disallowed URL values for attr in (attr_names & self.attr_val_is_uri): assert attr in attrs # I don't have a clue where this regexp comes from or why it matches those # characters, nor why we call unescape. I just know it's always been here. # Should you be worried by this comment in a sanitizer? Yes. On the other hand, all # this will do is remove *more* than it otherwise would. val_unescaped = re.sub("[`\x00-\x20\x7f-\xa0\\s]+", '', unescape(attrs[attr])).lower() # remove replacement characters from unescaped characters val_unescaped = val_unescaped.replace("\ufffd", "") try: uri = urlparse.urlparse(val_unescaped) except ValueError: uri = None del attrs[attr] if uri and uri.scheme: if uri.scheme not in self.allowed_protocols: del attrs[attr] if uri.scheme == 'data': m = data_content_type.match(uri.path) if not m: del attrs[attr] elif m.group('content_type') not in self.allowed_content_types: del attrs[attr] for attr in self.svg_attr_val_allows_ref: if attr in attrs: attrs[attr] = re.sub(r'url\s*\(\s*[^#\s][^)]+?\)', ' ', unescape(attrs[attr])) if (token["name"] in self.svg_allow_local_href and (namespaces['xlink'], 'href') in attrs and re.search(r'^\s*[^#\s].*', attrs[(namespaces['xlink'], 'href')])): del attrs[(namespaces['xlink'], 'href')] if (None, 'style') in attrs: attrs[(None, 'style')] = self.sanitize_css(attrs[(None, 'style')]) token["data"] = attrs return token def disallowed_token(self, token): token_type = token["type"] if token_type == "EndTag": token["data"] = "</%s>" % token["name"] elif token["data"]: assert token_type in ("StartTag", "EmptyTag") attrs = [] for (ns, name), v in token["data"].items(): attrs.append(' %s="%s"' % (name if ns is None else "%s:%s" % (prefixes[ns], name), escape(v))) token["data"] = "<%s%s>" % (token["name"], ''.join(attrs)) else: token["data"] = "<%s>" % token["name"] if token.get("selfClosing"): token["data"] = token["data"][:-1] + "/>" token["type"] = "Characters" del token["name"] return token def sanitize_css(self, style): # disallow urls style = re.compile(r'url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style) # gauntlet if not re.match(r"""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style): return '' if not re.match(r"^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style): return '' clean = [] for prop, value in re.findall(r"([-\w]+)\s*:\s*([^:;]*)", style): if not value: continue if prop.lower() in self.allowed_css_properties: clean.append(prop + ': ' + value + ';') elif prop.split('-')[0].lower() in ['background', 'border', 'margin', 'padding']: for keyword in value.split(): if keyword not in self.allowed_css_keywords and \ not re.match(r"^(#[0-9a-fA-F]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword): # noqa break else: clean.append(prop + ': ' + value + ';') elif prop.lower() in self.allowed_svg_properties: clean.append(prop + ': ' + value + ';') return ' '.join(clean) _vendor/html5lib/filters/whitespace.py 0000644 00000002276 15114542003 0014100 0 ustar 00 from __future__ import absolute_import, division, unicode_literals import re from . import base from ..constants import rcdataElements, spaceCharacters spaceCharacters = "".join(spaceCharacters) SPACES_REGEX = re.compile("[%s]+" % spaceCharacters) class Filter(base.Filter): """Collapses whitespace except in pre, textarea, and script elements""" spacePreserveElements = frozenset(["pre", "textarea"] + list(rcdataElements)) def __iter__(self): preserve = 0 for token in base.Filter.__iter__(self): type = token["type"] if type == "StartTag" \ and (preserve or token["name"] in self.spacePreserveElements): preserve += 1 elif type == "EndTag" and preserve: preserve -= 1 elif not preserve and type == "SpaceCharacters" and token["data"]: # Test on token["data"] above to not introduce spaces where there were not token["data"] = " " elif not preserve and type == "Characters": token["data"] = collapse_spaces(token["data"]) yield token def collapse_spaces(text): return SPACES_REGEX.sub(' ', text) _vendor/html5lib/treeadapters/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000001605 15114542003 0021737 0 ustar 00 a [��f� � @ s\ d Z ddlmZmZmZ ddlmZ dgZzddlmZ W n e yL Y n 0 e� d� dS ) a� Tree adapters let you convert from one tree structure to another Example: .. code-block:: python from pip._vendor import html5lib from pip._vendor.html5lib.treeadapters import genshi doc = '<html><body>Hi!</body></html>' treebuilder = html5lib.getTreeBuilder('etree') parser = html5lib.HTMLParser(tree=treebuilder) tree = parser.parse(doc) TreeWalker = html5lib.getTreeWalker('etree') genshi_tree = genshi.to_genshi(TreeWalker(tree)) � )�absolute_import�division�unicode_literals� )�saxr )�genshir N) �__doc__Z __future__r r r � r �__all__r � ImportError�append� r r �N/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/treeadapters/__init__.py�<module> s _vendor/html5lib/treeadapters/__pycache__/__init__.cpython-39.pyc 0000644 00000001605 15114542003 0021000 0 ustar 00 a [��f� � @ s\ d Z ddlmZmZmZ ddlmZ dgZzddlmZ W n e yL Y n 0 e� d� dS ) a� Tree adapters let you convert from one tree structure to another Example: .. code-block:: python from pip._vendor import html5lib from pip._vendor.html5lib.treeadapters import genshi doc = '<html><body>Hi!</body></html>' treebuilder = html5lib.getTreeBuilder('etree') parser = html5lib.HTMLParser(tree=treebuilder) tree = parser.parse(doc) TreeWalker = html5lib.getTreeWalker('etree') genshi_tree = genshi.to_genshi(TreeWalker(tree)) � )�absolute_import�division�unicode_literals� )�saxr )�genshir N) �__doc__Z __future__r r r � r �__all__r � ImportError�append� r r �N/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/treeadapters/__init__.py�<module> s _vendor/html5lib/treeadapters/__pycache__/genshi.cpython-39.opt-1.pyc 0000644 00000002745 15114542003 0021463 0 ustar 00 a [��f� � @ sL d dl mZmZmZ d dlmZmZ d dlmZmZm Z m Z m Z dd� Z dS )� )�absolute_import�division�unicode_literals)�QName�Attrs)�START�END�TEXT�COMMENT�DOCTYPEc c sR g }| D �]*}|d }|dv r.|� |d � n|rHtd�|�dfV g }|dv r�|d rnd|d |d f }n|d }td d � |d �� D ��}tt|�|fdfV |d kr�d }|d kr�|d r�d|d |d f }n|d }tt|�dfV q|dk�r t|d dfV q|dkrt |d |d |d fdfV qq|�rNtd�|�dfV dS )z�Convert a tree to a genshi tree :arg walker: the treewalker to use to walk the 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00000001247 15114542003 0014513 0 ustar 00 """Tree adapters let you convert from one tree structure to another Example: .. code-block:: python from pip._vendor import html5lib from pip._vendor.html5lib.treeadapters import genshi doc = '<html><body>Hi!</body></html>' treebuilder = html5lib.getTreeBuilder('etree') parser = html5lib.HTMLParser(tree=treebuilder) tree = parser.parse(doc) TreeWalker = html5lib.getTreeWalker('etree') genshi_tree = genshi.to_genshi(TreeWalker(tree)) """ from __future__ import absolute_import, division, unicode_literals from . import sax __all__ = ["sax"] try: from . import genshi # noqa except ImportError: pass else: __all__.append("genshi") _vendor/html5lib/treeadapters/genshi.py 0000644 00000003263 15114542003 0014231 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from genshi.core import QName, Attrs from genshi.core import START, END, TEXT, COMMENT, DOCTYPE def to_genshi(walker): """Convert a tree to a genshi tree :arg walker: the treewalker to use to walk the tree to convert it :returns: generator of genshi nodes """ text = [] for token in walker: type = token["type"] if type in ("Characters", "SpaceCharacters"): text.append(token["data"]) elif text: yield TEXT, "".join(text), (None, -1, -1) text = [] if type in ("StartTag", "EmptyTag"): if token["namespace"]: name = "{%s}%s" % (token["namespace"], token["name"]) else: name = token["name"] attrs = Attrs([(QName("{%s}%s" % attr if attr[0] is not None else attr[1]), value) for attr, value in token["data"].items()]) yield (START, (QName(name), attrs), (None, -1, -1)) if type == "EmptyTag": type = "EndTag" if type == "EndTag": if token["namespace"]: name = "{%s}%s" % (token["namespace"], token["name"]) else: name = token["name"] yield END, QName(name), (None, -1, -1) elif type == "Comment": yield COMMENT, token["data"], (None, -1, -1) elif type == "Doctype": yield DOCTYPE, (token["name"], token["publicId"], token["systemId"]), (None, -1, -1) else: pass # FIXME: What to do? if text: yield TEXT, "".join(text), (None, -1, -1) _vendor/html5lib/treeadapters/sax.py 0000644 00000003360 15114542003 0013545 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from xml.sax.xmlreader import AttributesNSImpl from ..constants import adjustForeignAttributes, unadjustForeignAttributes prefix_mapping = {} for prefix, localName, namespace in adjustForeignAttributes.values(): if prefix is not None: prefix_mapping[prefix] = namespace def to_sax(walker, handler): """Call SAX-like content handler based on treewalker walker :arg walker: the treewalker to use to walk the tree to convert it :arg handler: SAX handler to use """ handler.startDocument() for prefix, namespace in prefix_mapping.items(): handler.startPrefixMapping(prefix, namespace) for token in walker: type = token["type"] if type == "Doctype": continue elif type in ("StartTag", "EmptyTag"): attrs = AttributesNSImpl(token["data"], unadjustForeignAttributes) handler.startElementNS((token["namespace"], token["name"]), token["name"], attrs) if type == "EmptyTag": handler.endElementNS((token["namespace"], token["name"]), token["name"]) elif type == "EndTag": handler.endElementNS((token["namespace"], token["name"]), token["name"]) elif type in ("Characters", "SpaceCharacters"): handler.characters(token["data"]) elif type == "Comment": pass else: assert False, "Unknown token type" for prefix, namespace in prefix_mapping.items(): handler.endPrefixMapping(prefix) handler.endDocument() _vendor/html5lib/treebuilders/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000006340 15114542003 0021746 0 ustar 00 a [��f � @ s6 d Z ddlmZmZmZ ddlmZ i Zddd�ZdS ) a) A collection of modules for building different kinds of trees from HTML documents. To create a treebuilder for a new type of tree, you need to do implement several things: 1. A set of classes for various types of elements: Document, Doctype, Comment, Element. These must implement the interface of ``base.treebuilders.Node`` (although comment nodes have a different signature for their constructor, see ``treebuilders.etree.Comment``) Textual content may also be implemented as another node type, or not, as your tree implementation requires. 2. A treebuilder object (called ``TreeBuilder`` by convention) that inherits from ``treebuilders.base.TreeBuilder``. This has 4 required attributes: * ``documentClass`` - the class to use for the bottommost node of a document * ``elementClass`` - the class to use for HTML Elements * ``commentClass`` - the class to use for comments * ``doctypeClass`` - the class to use for doctypes It also has one required method: * ``getDocument`` - Returns the root node of the complete document tree 3. If you wish to run the unit tests, you must also create a ``testSerializer`` method on your treebuilder which accepts a node and returns a string containing Node and its children serialized according to the format used in the unittests � )�absolute_import�division�unicode_literals� )� default_etreeNc K s� | � � } | tvr�| dkrPddlm} |du r<ddlm} |}|j|fi |��jS | dkrpddlm} |jt| < n@| d kr�dd lm } |du r�t }|j |fi |��jS t d | ��t� | �S ) a Get a TreeBuilder class for various types of trees with built-in support :arg treeType: the name of the tree type required (case-insensitive). Supported values are: * "dom" - A generic builder for DOM implementations, defaulting to a xml.dom.minidom based implementation. * "etree" - A generic builder for tree implementations exposing an ElementTree-like interface, defaulting to xml.etree.cElementTree if available and xml.etree.ElementTree if not. * "lxml" - A etree-based builder for lxml.etree, handling limitations of lxml's implementation. :arg implementation: (Currently applies to the "etree" and "dom" tree types). A module implementing the tree type e.g. xml.etree.ElementTree or xml.etree.cElementTree. :arg kwargs: Any additional options to pass to the TreeBuilder when creating it. Example: >>> from html5lib.treebuilders import getTreeBuilder >>> builder = getTreeBuilder('etree') �dom� )r Nr )�minidomZlxml)� etree_lxml�etree)r z Unrecognised treebuilder "%s" )�lower�treeBuilderCache� r Zxml.domr Z getDomModuleZ TreeBuilderr r r ZgetETreeModule� ValueError�get)ZtreeType�implementation�kwargsr r r r � r �N/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/treebuilders/__init__.py�getTreeBuilder' s$ r )N) �__doc__Z __future__r r r Z_utilsr r r r r r r �<module> s _vendor/html5lib/treebuilders/__pycache__/__init__.cpython-39.pyc 0000644 00000006340 15114542003 0021007 0 ustar 00 a [��f � @ s6 d Z ddlmZmZmZ ddlmZ i Zddd�ZdS ) a) A collection of modules for building different kinds of trees from HTML documents. To create a treebuilder for a new type of tree, you need to do implement several things: 1. A set of classes for various types of elements: Document, Doctype, Comment, Element. These must implement the interface of ``base.treebuilders.Node`` (although comment nodes have a different signature for their constructor, see ``treebuilders.etree.Comment``) Textual content may also be implemented as another node type, or not, as your tree implementation requires. 2. A treebuilder object (called ``TreeBuilder`` by convention) that inherits from ``treebuilders.base.TreeBuilder``. This has 4 required attributes: * ``documentClass`` - the class to use for the bottommost node of a document * ``elementClass`` - the class to use for HTML Elements * ``commentClass`` - the class to use for comments * ``doctypeClass`` - the class to use for doctypes It also has one required method: * ``getDocument`` - Returns the root node of the complete document tree 3. If you wish to run the unit tests, you must also create a ``testSerializer`` method on your treebuilder which accepts a node and returns a string containing Node and its children serialized according to the format used in the unittests � )�absolute_import�division�unicode_literals� )� default_etreeNc K s� | � � } | tvr�| dkrPddlm} |du r<ddlm} |}|j|fi |��jS | dkrpddlm} |jt| < n@| d kr�dd lm } |du r�t }|j |fi |��jS t d | ��t� | �S ) a Get a TreeBuilder class for various types of trees with built-in support :arg treeType: the name of the tree type required (case-insensitive). Supported values are: * "dom" - A generic builder for DOM implementations, defaulting to a xml.dom.minidom based implementation. * "etree" - A generic builder for tree implementations exposing an ElementTree-like interface, defaulting to xml.etree.cElementTree if available and xml.etree.ElementTree if not. * "lxml" - A etree-based builder for lxml.etree, handling limitations of lxml's implementation. :arg implementation: (Currently applies to the "etree" and "dom" tree types). A module implementing the tree type e.g. xml.etree.ElementTree or xml.etree.cElementTree. :arg kwargs: Any additional options to pass to the TreeBuilder when creating it. 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O) _vendor/html5lib/treebuilders/__init__.py 0000644 00000007010 15114542003 0014513 0 ustar 00 """A collection of modules for building different kinds of trees from HTML documents. To create a treebuilder for a new type of tree, you need to do implement several things: 1. A set of classes for various types of elements: Document, Doctype, Comment, Element. These must implement the interface of ``base.treebuilders.Node`` (although comment nodes have a different signature for their constructor, see ``treebuilders.etree.Comment``) Textual content may also be implemented as another node type, or not, as your tree implementation requires. 2. A treebuilder object (called ``TreeBuilder`` by convention) that inherits from ``treebuilders.base.TreeBuilder``. This has 4 required attributes: * ``documentClass`` - the class to use for the bottommost node of a document * ``elementClass`` - the class to use for HTML Elements * ``commentClass`` - the class to use for comments * ``doctypeClass`` - the class to use for doctypes It also has one required method: * ``getDocument`` - Returns the root node of the complete document tree 3. If you wish to run the unit tests, you must also create a ``testSerializer`` method on your treebuilder which accepts a node and returns a string containing Node and its children serialized according to the format used in the unittests """ from __future__ import absolute_import, division, unicode_literals from .._utils import default_etree treeBuilderCache = {} def getTreeBuilder(treeType, implementation=None, **kwargs): """Get a TreeBuilder class for various types of trees with built-in support :arg treeType: the name of the tree type required (case-insensitive). Supported values are: * "dom" - A generic builder for DOM implementations, defaulting to a xml.dom.minidom based implementation. * "etree" - A generic builder for tree implementations exposing an ElementTree-like interface, defaulting to xml.etree.cElementTree if available and xml.etree.ElementTree if not. * "lxml" - A etree-based builder for lxml.etree, handling limitations of lxml's implementation. :arg implementation: (Currently applies to the "etree" and "dom" tree types). A module implementing the tree type e.g. xml.etree.ElementTree or xml.etree.cElementTree. :arg kwargs: Any additional options to pass to the TreeBuilder when creating it. Example: >>> from html5lib.treebuilders import getTreeBuilder >>> builder = getTreeBuilder('etree') """ treeType = treeType.lower() if treeType not in treeBuilderCache: if treeType == "dom": from . import dom # Come up with a sane default (pref. from the stdlib) if implementation is None: from xml.dom import minidom implementation = minidom # NEVER cache here, caching is done in the dom submodule return dom.getDomModule(implementation, **kwargs).TreeBuilder elif treeType == "lxml": from . import etree_lxml treeBuilderCache[treeType] = etree_lxml.TreeBuilder elif treeType == "etree": from . import etree if implementation is None: implementation = default_etree # NEVER cache here, caching is done in the etree submodule return etree.getETreeModule(implementation, **kwargs).TreeBuilder else: raise ValueError("""Unrecognised treebuilder "%s" """ % treeType) return treeBuilderCache.get(treeType) _vendor/html5lib/treebuilders/base.py 0000644 00000034345 15114542003 0013701 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type from ..constants import scopingElements, tableInsertModeElements, namespaces # The scope markers are inserted when entering object elements, # marquees, table cells, and table captions, and are used to prevent formatting # from "leaking" into tables, object elements, and marquees. Marker = None listElementsMap = { None: (frozenset(scopingElements), False), "button": (frozenset(scopingElements | {(namespaces["html"], "button")}), False), "list": (frozenset(scopingElements | {(namespaces["html"], "ol"), (namespaces["html"], "ul")}), False), "table": (frozenset([(namespaces["html"], "html"), (namespaces["html"], "table")]), False), "select": (frozenset([(namespaces["html"], "optgroup"), (namespaces["html"], "option")]), True) } class Node(object): """Represents an item in the tree""" def __init__(self, name): """Creates a Node :arg name: The tag name associated with the node """ # The tag name associated with the node self.name = name # The parent of the current node (or None for the document node) self.parent = None # The value of the current node (applies to text nodes and comments) self.value = None # A dict holding name -> value pairs for attributes of the node self.attributes = {} # A list of child nodes of the current node. This must include all # elements but not necessarily other node types. self.childNodes = [] # A list of miscellaneous flags that can be set on the node. self._flags = [] def __str__(self): attributesStr = " ".join(["%s=\"%s\"" % (name, value) for name, value in self.attributes.items()]) if attributesStr: return "<%s %s>" % (self.name, attributesStr) else: return "<%s>" % (self.name) def __repr__(self): return "<%s>" % (self.name) def appendChild(self, node): """Insert node as a child of the current node :arg node: the node to insert """ raise NotImplementedError def insertText(self, data, insertBefore=None): """Insert data as text in the current node, positioned before the start of node insertBefore or to the end of the node's text. :arg data: the data to insert :arg insertBefore: True if you want to insert the text before the node and False if you want to insert it after the node """ raise NotImplementedError def insertBefore(self, node, refNode): """Insert node as a child of the current node, before refNode in the list of child nodes. Raises ValueError if refNode is not a child of the current node :arg node: the node to insert :arg refNode: the child node to insert the node before """ raise NotImplementedError def removeChild(self, node): """Remove node from the children of the current node :arg node: the child node to remove """ raise NotImplementedError def reparentChildren(self, newParent): """Move all the children of the current node to newParent. This is needed so that trees that don't store text as nodes move the text in the correct way :arg newParent: the node to move all this node's children to """ # XXX - should this method be made more general? for child in self.childNodes: newParent.appendChild(child) self.childNodes = [] def cloneNode(self): """Return a shallow copy of the current node i.e. a node with the same name and attributes but with no parent or child nodes """ raise NotImplementedError def hasContent(self): """Return true if the node has children or text, false otherwise """ raise NotImplementedError class ActiveFormattingElements(list): def append(self, node): equalCount = 0 if node != Marker: for element in self[::-1]: if element == Marker: break if self.nodesEqual(element, node): equalCount += 1 if equalCount == 3: self.remove(element) break list.append(self, node) def nodesEqual(self, node1, node2): if not node1.nameTuple == node2.nameTuple: return False if not node1.attributes == node2.attributes: return False return True class TreeBuilder(object): """Base treebuilder implementation * documentClass - the class to use for the bottommost node of a document * elementClass - the class to use for HTML Elements * commentClass - the class to use for comments * doctypeClass - the class to use for doctypes """ # pylint:disable=not-callable # Document class documentClass = None # The class to use for creating a node elementClass = None # The class to use for creating comments commentClass = None # The class to use for creating doctypes doctypeClass = None # Fragment class fragmentClass = None def __init__(self, namespaceHTMLElements): """Create a TreeBuilder :arg namespaceHTMLElements: whether or not to namespace HTML elements """ if namespaceHTMLElements: self.defaultNamespace = "http://www.w3.org/1999/xhtml" else: self.defaultNamespace = None self.reset() def reset(self): self.openElements = [] self.activeFormattingElements = ActiveFormattingElements() # XXX - rename these to headElement, formElement self.headPointer = None self.formPointer = None self.insertFromTable = False self.document = self.documentClass() def elementInScope(self, target, variant=None): # If we pass a node in we match that. if we pass a string # match any node with that name exactNode = hasattr(target, "nameTuple") if not exactNode: if isinstance(target, text_type): target = (namespaces["html"], target) assert isinstance(target, tuple) listElements, invert = listElementsMap[variant] for node in reversed(self.openElements): if exactNode and node == target: return True elif not exactNode and node.nameTuple == target: return True elif (invert ^ (node.nameTuple in listElements)): return False assert False # We should never reach this point def reconstructActiveFormattingElements(self): # Within this algorithm the order of steps described in the # specification is not quite the same as the order of steps in the # code. It should still do the same though. # Step 1: stop the algorithm when there's nothing to do. if not self.activeFormattingElements: return # Step 2 and step 3: we start with the last element. So i is -1. i = len(self.activeFormattingElements) - 1 entry = self.activeFormattingElements[i] if entry == Marker or entry in self.openElements: return # Step 6 while entry != Marker and entry not in self.openElements: if i == 0: # This will be reset to 0 below i = -1 break i -= 1 # Step 5: let entry be one earlier in the list. entry = self.activeFormattingElements[i] while True: # Step 7 i += 1 # Step 8 entry = self.activeFormattingElements[i] clone = entry.cloneNode() # Mainly to get a new copy of the attributes # Step 9 element = self.insertElement({"type": "StartTag", "name": clone.name, "namespace": clone.namespace, "data": clone.attributes}) # Step 10 self.activeFormattingElements[i] = element # Step 11 if element == self.activeFormattingElements[-1]: break def clearActiveFormattingElements(self): entry = self.activeFormattingElements.pop() while self.activeFormattingElements and entry != Marker: entry = self.activeFormattingElements.pop() def elementInActiveFormattingElements(self, name): """Check if an element exists between the end of the active formatting elements and the last marker. If it does, return it, else return false""" for item in self.activeFormattingElements[::-1]: # Check for Marker first because if it's a Marker it doesn't have a # name attribute. if item == Marker: break elif item.name == name: return item return False def insertRoot(self, token): element = self.createElement(token) self.openElements.append(element) self.document.appendChild(element) def insertDoctype(self, token): name = token["name"] publicId = token["publicId"] systemId = token["systemId"] doctype = self.doctypeClass(name, publicId, systemId) self.document.appendChild(doctype) def insertComment(self, token, parent=None): if parent is None: parent = self.openElements[-1] parent.appendChild(self.commentClass(token["data"])) def createElement(self, token): """Create an element but don't insert it anywhere""" name = token["name"] namespace = token.get("namespace", self.defaultNamespace) element = self.elementClass(name, namespace) element.attributes = token["data"] return element def _getInsertFromTable(self): return self._insertFromTable def _setInsertFromTable(self, value): """Switch the function used to insert an element from the normal one to the misnested table one and back again""" self._insertFromTable = value if value: self.insertElement = self.insertElementTable else: self.insertElement = self.insertElementNormal insertFromTable = property(_getInsertFromTable, _setInsertFromTable) def insertElementNormal(self, token): name = token["name"] assert isinstance(name, text_type), "Element %s not unicode" % name namespace = token.get("namespace", self.defaultNamespace) element = self.elementClass(name, namespace) element.attributes = token["data"] self.openElements[-1].appendChild(element) self.openElements.append(element) return element def insertElementTable(self, token): """Create an element and insert it into the tree""" element = self.createElement(token) if self.openElements[-1].name not in tableInsertModeElements: return self.insertElementNormal(token) else: # We should be in the InTable mode. This means we want to do # special magic element rearranging parent, insertBefore = self.getTableMisnestedNodePosition() if insertBefore is None: parent.appendChild(element) else: parent.insertBefore(element, insertBefore) self.openElements.append(element) return element def insertText(self, data, parent=None): """Insert text data.""" if parent is None: parent = self.openElements[-1] if (not self.insertFromTable or (self.insertFromTable and self.openElements[-1].name not in tableInsertModeElements)): parent.insertText(data) else: # We should be in the InTable mode. This means we want to do # special magic element rearranging parent, insertBefore = self.getTableMisnestedNodePosition() parent.insertText(data, insertBefore) def getTableMisnestedNodePosition(self): """Get the foster parent element, and sibling to insert before (or None) when inserting a misnested table node""" # The foster parent element is the one which comes before the most # recently opened table element # XXX - this is really inelegant lastTable = None fosterParent = None insertBefore = None for elm in self.openElements[::-1]: if elm.name == "table": lastTable = elm break if lastTable: # XXX - we should really check that this parent is actually a # node here if lastTable.parent: fosterParent = lastTable.parent insertBefore = lastTable else: fosterParent = self.openElements[ self.openElements.index(lastTable) - 1] else: fosterParent = self.openElements[0] return fosterParent, insertBefore def generateImpliedEndTags(self, exclude=None): name = self.openElements[-1].name # XXX td, th and tr are not actually needed if (name in frozenset(("dd", "dt", "li", "option", "optgroup", "p", "rp", "rt")) and name != exclude): self.openElements.pop() # XXX This is not entirely what the specification says. We should # investigate it more closely. self.generateImpliedEndTags(exclude) def getDocument(self): """Return the final tree""" return self.document def getFragment(self): """Return the final fragment""" # assert self.innerHTML fragment = self.fragmentClass() self.openElements[0].reparentChildren(fragment) return fragment def testSerializer(self, node): """Serialize the subtree of node in the format required by unit tests :arg node: the node from which to start serializing """ raise NotImplementedError _vendor/html5lib/treebuilders/dom.py 0000644 00000021335 15114542003 0013541 0 ustar 00 from __future__ import absolute_import, division, unicode_literals try: from collections.abc import MutableMapping except ImportError: # Python 2.7 from collections import MutableMapping from xml.dom import minidom, Node import weakref from . import base from .. import constants from ..constants import namespaces from .._utils import moduleFactoryFactory def getDomBuilder(DomImplementation): Dom = DomImplementation class AttrList(MutableMapping): def __init__(self, element): self.element = element def __iter__(self): return iter(self.element.attributes.keys()) def __setitem__(self, name, value): if isinstance(name, tuple): raise NotImplementedError else: attr = self.element.ownerDocument.createAttribute(name) attr.value = value self.element.attributes[name] = attr def __len__(self): return len(self.element.attributes) def items(self): return list(self.element.attributes.items()) def values(self): return list(self.element.attributes.values()) def __getitem__(self, name): if isinstance(name, tuple): raise NotImplementedError else: return self.element.attributes[name].value def __delitem__(self, name): if isinstance(name, tuple): raise NotImplementedError else: del self.element.attributes[name] class NodeBuilder(base.Node): def __init__(self, element): base.Node.__init__(self, element.nodeName) self.element = element namespace = property(lambda self: hasattr(self.element, "namespaceURI") and self.element.namespaceURI or None) def appendChild(self, node): node.parent = self self.element.appendChild(node.element) def insertText(self, data, insertBefore=None): text = self.element.ownerDocument.createTextNode(data) if insertBefore: self.element.insertBefore(text, insertBefore.element) else: self.element.appendChild(text) def insertBefore(self, node, refNode): self.element.insertBefore(node.element, refNode.element) node.parent = self def removeChild(self, node): if node.element.parentNode == self.element: self.element.removeChild(node.element) node.parent = None def reparentChildren(self, newParent): while self.element.hasChildNodes(): child = self.element.firstChild self.element.removeChild(child) newParent.element.appendChild(child) self.childNodes = [] def getAttributes(self): return AttrList(self.element) def setAttributes(self, attributes): if attributes: for name, value in list(attributes.items()): if isinstance(name, tuple): if name[0] is not None: qualifiedName = (name[0] + ":" + name[1]) else: qualifiedName = name[1] self.element.setAttributeNS(name[2], qualifiedName, value) else: self.element.setAttribute( name, value) attributes = property(getAttributes, setAttributes) def cloneNode(self): return NodeBuilder(self.element.cloneNode(False)) def hasContent(self): return self.element.hasChildNodes() def getNameTuple(self): if self.namespace is None: return namespaces["html"], self.name else: return self.namespace, self.name nameTuple = property(getNameTuple) class TreeBuilder(base.TreeBuilder): # pylint:disable=unused-variable def documentClass(self): self.dom = Dom.getDOMImplementation().createDocument(None, None, None) return weakref.proxy(self) def insertDoctype(self, token): name = token["name"] publicId = token["publicId"] systemId = token["systemId"] domimpl = Dom.getDOMImplementation() doctype = domimpl.createDocumentType(name, publicId, systemId) self.document.appendChild(NodeBuilder(doctype)) if Dom == minidom: doctype.ownerDocument = self.dom def elementClass(self, name, namespace=None): if namespace is None and self.defaultNamespace is None: node = self.dom.createElement(name) else: node = self.dom.createElementNS(namespace, name) return NodeBuilder(node) def commentClass(self, data): return NodeBuilder(self.dom.createComment(data)) def fragmentClass(self): return NodeBuilder(self.dom.createDocumentFragment()) def appendChild(self, node): self.dom.appendChild(node.element) def testSerializer(self, element): return testSerializer(element) def getDocument(self): return self.dom def getFragment(self): return base.TreeBuilder.getFragment(self).element def insertText(self, data, parent=None): data = data if parent != self: base.TreeBuilder.insertText(self, data, parent) else: # HACK: allow text nodes as children of the document node if hasattr(self.dom, '_child_node_types'): # pylint:disable=protected-access if Node.TEXT_NODE not in self.dom._child_node_types: self.dom._child_node_types = list(self.dom._child_node_types) self.dom._child_node_types.append(Node.TEXT_NODE) self.dom.appendChild(self.dom.createTextNode(data)) implementation = DomImplementation name = None def testSerializer(element): element.normalize() rv = [] def serializeElement(element, indent=0): if element.nodeType == Node.DOCUMENT_TYPE_NODE: if element.name: if element.publicId or element.systemId: publicId = element.publicId or "" systemId = element.systemId or "" rv.append("""|%s<!DOCTYPE %s "%s" "%s">""" % (' ' * indent, element.name, publicId, systemId)) else: rv.append("|%s<!DOCTYPE %s>" % (' ' * indent, element.name)) else: rv.append("|%s<!DOCTYPE >" % (' ' * indent,)) elif element.nodeType == Node.DOCUMENT_NODE: rv.append("#document") elif element.nodeType == Node.DOCUMENT_FRAGMENT_NODE: rv.append("#document-fragment") elif element.nodeType == Node.COMMENT_NODE: rv.append("|%s<!-- %s -->" % (' ' * indent, element.nodeValue)) elif element.nodeType == Node.TEXT_NODE: rv.append("|%s\"%s\"" % (' ' * indent, element.nodeValue)) else: if (hasattr(element, "namespaceURI") and element.namespaceURI is not None): name = "%s %s" % (constants.prefixes[element.namespaceURI], element.nodeName) else: name = element.nodeName rv.append("|%s<%s>" % (' ' * indent, name)) if element.hasAttributes(): attributes = [] for i in range(len(element.attributes)): attr = element.attributes.item(i) name = attr.nodeName value = attr.value ns = attr.namespaceURI if ns: name = "%s %s" % (constants.prefixes[ns], attr.localName) else: name = attr.nodeName attributes.append((name, value)) for name, value in sorted(attributes): rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) indent += 2 for child in element.childNodes: serializeElement(child, indent) serializeElement(element, 0) return "\n".join(rv) return locals() # The actual means to get a module! getDomModule = moduleFactoryFactory(getDomBuilder) _vendor/html5lib/treebuilders/etree.py 0000644 00000031044 15114542003 0014064 0 ustar 00 from __future__ import absolute_import, division, unicode_literals # pylint:disable=protected-access from pip._vendor.six import text_type import re from copy import copy from . import base from .. import _ihatexml from .. import constants from ..constants import namespaces from .._utils import moduleFactoryFactory tag_regexp = re.compile("{([^}]*)}(.*)") def getETreeBuilder(ElementTreeImplementation, fullTree=False): ElementTree = ElementTreeImplementation ElementTreeCommentType = ElementTree.Comment("asd").tag class Element(base.Node): def __init__(self, name, namespace=None): self._name = name self._namespace = namespace self._element = ElementTree.Element(self._getETreeTag(name, namespace)) if namespace is None: self.nameTuple = namespaces["html"], self._name else: self.nameTuple = self._namespace, self._name self.parent = None self._childNodes = [] self._flags = [] def _getETreeTag(self, name, namespace): if namespace is None: etree_tag = name else: etree_tag = "{%s}%s" % (namespace, name) return etree_tag def _setName(self, name): self._name = name self._element.tag = self._getETreeTag(self._name, self._namespace) def _getName(self): return self._name name = property(_getName, _setName) def _setNamespace(self, namespace): self._namespace = namespace self._element.tag = self._getETreeTag(self._name, self._namespace) def _getNamespace(self): return self._namespace namespace = property(_getNamespace, _setNamespace) def _getAttributes(self): return self._element.attrib def _setAttributes(self, attributes): el_attrib = self._element.attrib el_attrib.clear() if attributes: # calling .items _always_ allocates, and the above truthy check is cheaper than the # allocation on average for key, value in attributes.items(): if isinstance(key, tuple): name = "{%s}%s" % (key[2], key[1]) else: name = key el_attrib[name] = value attributes = property(_getAttributes, _setAttributes) def _getChildNodes(self): return self._childNodes def _setChildNodes(self, value): del self._element[:] self._childNodes = [] for element in value: self.insertChild(element) childNodes = property(_getChildNodes, _setChildNodes) def hasContent(self): """Return true if the node has children or text""" return bool(self._element.text or len(self._element)) def appendChild(self, node): self._childNodes.append(node) self._element.append(node._element) node.parent = self def insertBefore(self, node, refNode): index = list(self._element).index(refNode._element) self._element.insert(index, node._element) node.parent = self def removeChild(self, node): self._childNodes.remove(node) self._element.remove(node._element) node.parent = None def insertText(self, data, insertBefore=None): if not(len(self._element)): if not self._element.text: self._element.text = "" self._element.text += data elif insertBefore is None: # Insert the text as the tail of the last child element if not self._element[-1].tail: self._element[-1].tail = "" self._element[-1].tail += data else: # Insert the text before the specified node children = list(self._element) index = children.index(insertBefore._element) if index > 0: if not self._element[index - 1].tail: self._element[index - 1].tail = "" self._element[index - 1].tail += data else: if not self._element.text: self._element.text = "" self._element.text += data def cloneNode(self): element = type(self)(self.name, self.namespace) if self._element.attrib: element._element.attrib = copy(self._element.attrib) return element def reparentChildren(self, newParent): if newParent.childNodes: newParent.childNodes[-1]._element.tail += self._element.text else: if not newParent._element.text: newParent._element.text = "" if self._element.text is not None: newParent._element.text += self._element.text self._element.text = "" base.Node.reparentChildren(self, newParent) class Comment(Element): def __init__(self, data): # Use the superclass constructor to set all properties on the # wrapper element self._element = ElementTree.Comment(data) self.parent = None self._childNodes = [] self._flags = [] def _getData(self): return self._element.text def _setData(self, value): self._element.text = value data = property(_getData, _setData) class DocumentType(Element): def __init__(self, name, publicId, systemId): Element.__init__(self, "<!DOCTYPE>") self._element.text = name self.publicId = publicId self.systemId = systemId def _getPublicId(self): return self._element.get("publicId", "") def _setPublicId(self, value): if value is not None: self._element.set("publicId", value) publicId = property(_getPublicId, _setPublicId) def _getSystemId(self): return self._element.get("systemId", "") def _setSystemId(self, value): if value is not None: self._element.set("systemId", value) systemId = property(_getSystemId, _setSystemId) class Document(Element): def __init__(self): Element.__init__(self, "DOCUMENT_ROOT") class DocumentFragment(Element): def __init__(self): Element.__init__(self, "DOCUMENT_FRAGMENT") def testSerializer(element): rv = [] def serializeElement(element, indent=0): if not(hasattr(element, "tag")): element = element.getroot() if element.tag == "<!DOCTYPE>": if element.get("publicId") or element.get("systemId"): publicId = element.get("publicId") or "" systemId = element.get("systemId") or "" rv.append("""<!DOCTYPE %s "%s" "%s">""" % (element.text, publicId, systemId)) else: rv.append("<!DOCTYPE %s>" % (element.text,)) elif element.tag == "DOCUMENT_ROOT": rv.append("#document") if element.text is not None: rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) if element.tail is not None: raise TypeError("Document node cannot have tail") if hasattr(element, "attrib") and len(element.attrib): raise TypeError("Document node cannot have attributes") elif element.tag == ElementTreeCommentType: rv.append("|%s<!-- %s -->" % (' ' * indent, element.text)) else: assert isinstance(element.tag, text_type), \ "Expected unicode, got %s, %s" % (type(element.tag), element.tag) nsmatch = tag_regexp.match(element.tag) if nsmatch is None: name = element.tag else: ns, name = nsmatch.groups() prefix = constants.prefixes[ns] name = "%s %s" % (prefix, name) rv.append("|%s<%s>" % (' ' * indent, name)) if hasattr(element, "attrib"): attributes = [] for name, value in element.attrib.items(): nsmatch = tag_regexp.match(name) if nsmatch is not None: ns, name = nsmatch.groups() prefix = constants.prefixes[ns] attr_string = "%s %s" % (prefix, name) else: attr_string = name attributes.append((attr_string, value)) for name, value in sorted(attributes): rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) if element.text: rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) indent += 2 for child in element: serializeElement(child, indent) if element.tail: rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail)) serializeElement(element, 0) return "\n".join(rv) def tostring(element): # pylint:disable=unused-variable """Serialize an element and its child nodes to a string""" rv = [] filter = _ihatexml.InfosetFilter() def serializeElement(element): if isinstance(element, ElementTree.ElementTree): element = element.getroot() if element.tag == "<!DOCTYPE>": if element.get("publicId") or element.get("systemId"): publicId = element.get("publicId") or "" systemId = element.get("systemId") or "" rv.append("""<!DOCTYPE %s PUBLIC "%s" "%s">""" % (element.text, publicId, systemId)) else: rv.append("<!DOCTYPE %s>" % (element.text,)) elif element.tag == "DOCUMENT_ROOT": if element.text is not None: rv.append(element.text) if element.tail is not None: raise TypeError("Document node cannot have tail") if hasattr(element, "attrib") and len(element.attrib): raise TypeError("Document node cannot have attributes") for child in element: serializeElement(child) elif element.tag == ElementTreeCommentType: rv.append("<!--%s-->" % (element.text,)) else: # This is assumed to be an ordinary element if not element.attrib: rv.append("<%s>" % (filter.fromXmlName(element.tag),)) else: attr = " ".join(["%s=\"%s\"" % ( filter.fromXmlName(name), value) for name, value in element.attrib.items()]) rv.append("<%s %s>" % (element.tag, attr)) if element.text: rv.append(element.text) for child in element: serializeElement(child) rv.append("</%s>" % (element.tag,)) if element.tail: rv.append(element.tail) serializeElement(element) return "".join(rv) class TreeBuilder(base.TreeBuilder): # pylint:disable=unused-variable documentClass = Document doctypeClass = DocumentType elementClass = Element commentClass = Comment fragmentClass = DocumentFragment implementation = ElementTreeImplementation def testSerializer(self, element): return testSerializer(element) def getDocument(self): if fullTree: return self.document._element else: if self.defaultNamespace is not None: return self.document._element.find( "{%s}html" % self.defaultNamespace) else: return self.document._element.find("html") def getFragment(self): return base.TreeBuilder.getFragment(self)._element return locals() getETreeModule = moduleFactoryFactory(getETreeBuilder) _vendor/html5lib/treebuilders/etree_lxml.py 0000644 00000034656 15114542003 0015134 0 ustar 00 """Module for supporting the lxml.etree library. The idea here is to use as much of the native library as possible, without using fragile hacks like custom element names that break between releases. The downside of this is that we cannot represent all possible trees; specifically the following are known to cause problems: Text or comments as siblings of the root element Docypes with no name When any of these things occur, we emit a DataLossWarning """ from __future__ import absolute_import, division, unicode_literals # pylint:disable=protected-access import warnings import re import sys try: from collections.abc import MutableMapping except ImportError: from collections import MutableMapping from . import base from ..constants import DataLossWarning from .. import constants from . import etree as etree_builders from .. import _ihatexml import lxml.etree as etree from pip._vendor.six import PY3, binary_type fullTree = True tag_regexp = re.compile("{([^}]*)}(.*)") comment_type = etree.Comment("asd").tag class DocumentType(object): def __init__(self, name, publicId, systemId): self.name = name self.publicId = publicId self.systemId = systemId class Document(object): def __init__(self): self._elementTree = None self._childNodes = [] def appendChild(self, element): last = self._elementTree.getroot() for last in self._elementTree.getroot().itersiblings(): pass last.addnext(element._element) def _getChildNodes(self): return self._childNodes childNodes = property(_getChildNodes) def testSerializer(element): rv = [] infosetFilter = _ihatexml.InfosetFilter(preventDoubleDashComments=True) def serializeElement(element, indent=0): if not hasattr(element, "tag"): if hasattr(element, "getroot"): # Full tree case rv.append("#document") if element.docinfo.internalDTD: if not (element.docinfo.public_id or element.docinfo.system_url): dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name else: dtd_str = """<!DOCTYPE %s "%s" "%s">""" % ( element.docinfo.root_name, element.docinfo.public_id, element.docinfo.system_url) rv.append("|%s%s" % (' ' * (indent + 2), dtd_str)) next_element = element.getroot() while next_element.getprevious() is not None: next_element = next_element.getprevious() while next_element is not None: serializeElement(next_element, indent + 2) next_element = next_element.getnext() elif isinstance(element, str) or isinstance(element, bytes): # Text in a fragment assert isinstance(element, str) or sys.version_info[0] == 2 rv.append("|%s\"%s\"" % (' ' * indent, element)) else: # Fragment case rv.append("#document-fragment") for next_element in element: serializeElement(next_element, indent + 2) elif element.tag == comment_type: rv.append("|%s<!-- %s -->" % (' ' * indent, element.text)) if hasattr(element, "tail") and element.tail: rv.append("|%s\"%s\"" % (' ' * indent, element.tail)) else: assert isinstance(element, etree._Element) nsmatch = etree_builders.tag_regexp.match(element.tag) if nsmatch is not None: ns = nsmatch.group(1) tag = nsmatch.group(2) prefix = constants.prefixes[ns] rv.append("|%s<%s %s>" % (' ' * indent, prefix, infosetFilter.fromXmlName(tag))) else: rv.append("|%s<%s>" % (' ' * indent, infosetFilter.fromXmlName(element.tag))) if hasattr(element, "attrib"): attributes = [] for name, value in element.attrib.items(): nsmatch = tag_regexp.match(name) if nsmatch is not None: ns, name = nsmatch.groups() name = infosetFilter.fromXmlName(name) prefix = constants.prefixes[ns] attr_string = "%s %s" % (prefix, name) else: attr_string = infosetFilter.fromXmlName(name) attributes.append((attr_string, value)) for name, value in sorted(attributes): rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value)) if element.text: rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text)) indent += 2 for child in element: serializeElement(child, indent) if hasattr(element, "tail") and element.tail: rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail)) serializeElement(element, 0) return "\n".join(rv) def tostring(element): """Serialize an element and its child nodes to a string""" rv = [] def serializeElement(element): if not hasattr(element, "tag"): if element.docinfo.internalDTD: if element.docinfo.doctype: dtd_str = element.docinfo.doctype else: dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name rv.append(dtd_str) serializeElement(element.getroot()) elif element.tag == comment_type: rv.append("<!--%s-->" % (element.text,)) else: # This is assumed to be an ordinary element if not element.attrib: rv.append("<%s>" % (element.tag,)) else: attr = " ".join(["%s=\"%s\"" % (name, value) for name, value in element.attrib.items()]) rv.append("<%s %s>" % (element.tag, attr)) if element.text: rv.append(element.text) for child in element: serializeElement(child) rv.append("</%s>" % (element.tag,)) if hasattr(element, "tail") and element.tail: rv.append(element.tail) serializeElement(element) return "".join(rv) class TreeBuilder(base.TreeBuilder): documentClass = Document doctypeClass = DocumentType elementClass = None commentClass = None fragmentClass = Document implementation = etree def __init__(self, namespaceHTMLElements, fullTree=False): builder = etree_builders.getETreeModule(etree, fullTree=fullTree) infosetFilter = self.infosetFilter = _ihatexml.InfosetFilter(preventDoubleDashComments=True) self.namespaceHTMLElements = namespaceHTMLElements class Attributes(MutableMapping): def __init__(self, element): self._element = element def _coerceKey(self, key): if isinstance(key, tuple): name = "{%s}%s" % (key[2], infosetFilter.coerceAttribute(key[1])) else: name = infosetFilter.coerceAttribute(key) return name def __getitem__(self, key): value = self._element._element.attrib[self._coerceKey(key)] if not PY3 and isinstance(value, binary_type): value = value.decode("ascii") return value def __setitem__(self, key, value): self._element._element.attrib[self._coerceKey(key)] = value def __delitem__(self, key): del self._element._element.attrib[self._coerceKey(key)] def __iter__(self): return iter(self._element._element.attrib) def __len__(self): return len(self._element._element.attrib) def clear(self): return self._element._element.attrib.clear() class Element(builder.Element): def __init__(self, name, namespace): name = infosetFilter.coerceElement(name) builder.Element.__init__(self, name, namespace=namespace) self._attributes = Attributes(self) def _setName(self, name): self._name = infosetFilter.coerceElement(name) self._element.tag = self._getETreeTag( self._name, self._namespace) def _getName(self): return infosetFilter.fromXmlName(self._name) name = property(_getName, _setName) def _getAttributes(self): return self._attributes def _setAttributes(self, value): attributes = self.attributes attributes.clear() attributes.update(value) attributes = property(_getAttributes, _setAttributes) def insertText(self, data, insertBefore=None): data = infosetFilter.coerceCharacters(data) builder.Element.insertText(self, data, insertBefore) def cloneNode(self): element = type(self)(self.name, self.namespace) if self._element.attrib: element._element.attrib.update(self._element.attrib) return element class Comment(builder.Comment): def __init__(self, data): data = infosetFilter.coerceComment(data) builder.Comment.__init__(self, data) def _setData(self, data): data = infosetFilter.coerceComment(data) self._element.text = data def _getData(self): return self._element.text data = property(_getData, _setData) self.elementClass = Element self.commentClass = Comment # self.fragmentClass = builder.DocumentFragment base.TreeBuilder.__init__(self, namespaceHTMLElements) def reset(self): base.TreeBuilder.reset(self) self.insertComment = self.insertCommentInitial self.initial_comments = [] self.doctype = None def testSerializer(self, element): return testSerializer(element) def getDocument(self): if fullTree: return self.document._elementTree else: return self.document._elementTree.getroot() def getFragment(self): fragment = [] element = self.openElements[0]._element if element.text: fragment.append(element.text) fragment.extend(list(element)) if element.tail: fragment.append(element.tail) return fragment def insertDoctype(self, token): name = token["name"] publicId = token["publicId"] systemId = token["systemId"] if not name: warnings.warn("lxml cannot represent empty doctype", DataLossWarning) self.doctype = None else: coercedName = self.infosetFilter.coerceElement(name) if coercedName != name: warnings.warn("lxml cannot represent non-xml doctype", DataLossWarning) doctype = self.doctypeClass(coercedName, publicId, systemId) self.doctype = doctype def insertCommentInitial(self, data, parent=None): assert parent is None or parent is self.document assert self.document._elementTree is None self.initial_comments.append(data) def insertCommentMain(self, data, parent=None): if (parent == self.document and self.document._elementTree.getroot()[-1].tag == comment_type): warnings.warn("lxml cannot represent adjacent comments beyond the root elements", DataLossWarning) super(TreeBuilder, self).insertComment(data, parent) def insertRoot(self, token): # Because of the way libxml2 works, it doesn't seem to be possible to # alter information like the doctype after the tree has been parsed. # Therefore we need to use the built-in parser to create our initial # tree, after which we can add elements like normal docStr = "" if self.doctype: assert self.doctype.name docStr += "<!DOCTYPE %s" % self.doctype.name if (self.doctype.publicId is not None or self.doctype.systemId is not None): docStr += (' PUBLIC "%s" ' % (self.infosetFilter.coercePubid(self.doctype.publicId or ""))) if self.doctype.systemId: sysid = self.doctype.systemId if sysid.find("'") >= 0 and sysid.find('"') >= 0: warnings.warn("DOCTYPE system cannot contain single and double quotes", DataLossWarning) sysid = sysid.replace("'", 'U00027') if sysid.find("'") >= 0: docStr += '"%s"' % sysid else: docStr += "'%s'" % sysid else: docStr += "''" docStr += ">" if self.doctype.name != token["name"]: warnings.warn("lxml cannot represent doctype with a different name to the root element", DataLossWarning) docStr += "<THIS_SHOULD_NEVER_APPEAR_PUBLICLY/>" root = etree.fromstring(docStr) # Append the initial comments: for comment_token in self.initial_comments: comment = self.commentClass(comment_token["data"]) root.addprevious(comment._element) # Create the root document and add the ElementTree to it self.document = self.documentClass() self.document._elementTree = root.getroottree() # Give the root element the right name name = token["name"] namespace = token.get("namespace", self.defaultNamespace) if namespace is None: etree_tag = name else: etree_tag = "{%s}%s" % (namespace, name) root.tag = etree_tag # Add the root element to the internal child/open data structures root_element = self.elementClass(name, namespace) root_element._element = root self.document._childNodes.append(root_element) self.openElements.append(root_element) # Reset to the default insert comment function self.insertComment = self.insertCommentMain _vendor/html5lib/treewalkers/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000007447 15114542003 0021616 0 ustar 00 a [��fW � @ sZ d Z ddlmZmZmZ ddlmZ ddlmZ ddgZ i Z d d d�Z d d � Z d d� Z dS )a� A collection of modules for iterating through different kinds of tree, generating tokens identical to those produced by the tokenizer module. 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Z localname�valuer r r r P sn �� �� � )N)�__doc__Z __future__r r r r r Z_utilsr �__all__r r r r r r r r �<module> s , _vendor/html5lib/treewalkers/__pycache__/__init__.cpython-39.pyc 0000644 00000007572 15114542003 0020656 0 ustar 00 a [��fW � @ sZ d Z ddlmZmZmZ ddlmZ ddlmZ ddgZ i Z d d d�Z d d � Z d d� Z dS )a� A collection of modules for iterating through different kinds of tree, generating tokens identical to those produced by the tokenizer module. 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Z localname�valuer r r r P sn �� �� � )N)�__doc__Z __future__r r r r r Z_utilsr �__all__r r r r r r r r �<module> s , _vendor/html5lib/treewalkers/__pycache__/base.cpython-39.opt-1.pyc 0000644 00000015461 15114542003 0020764 0 ustar 00 a [��f4 � @ s� d dl mZmZmZ d dlmZ ddlmZmZm Z g d�Z ej Z ej ZejZejZejZejZdZd�e �Z G dd � d e�ZG d d � d e�Zd S ) � )�absolute_import�division�unicode_literals)�Node� )� namespaces� voidElements�spaceCharacters) �DOCUMENT�DOCTYPE�TEXT�ELEMENT�COMMENT�ENTITY�UNKNOWN� TreeWalker�NonRecursiveTreeWalkerz <#UNKNOWN#>� c @ sl e Zd ZdZdd� Zdd� Zdd� Zdd d �Zd d � Zd d� Z dd� Z dd� Z ddd�Z dd� Z dd� ZdS ) r z}Walks a tree yielding tokens Tokens are dicts that all have a ``type`` field specifying the type of the token. c C s || _ dS )zCCreates a TreeWalker :arg tree: the tree to walk N)�tree)�selfr � r �I/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/treewalkers/base.py�__init__ s zTreeWalker.__init__c C s t �d S �N��NotImplementedError)r r r r �__iter__# s zTreeWalker.__iter__c C s d|d�S )z�Generates an error token with the given message :arg msg: the error message :returns: SerializeError token ZSerializeError��type�datar )r �msgr r r �error& s zTreeWalker.errorFc c s$ d|||d�V |r | � d�V dS )ar Generates an EmptyTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :arg hasChildren: whether or not to yield a SerializationError because this tag shouldn't have children :returns: EmptyTag token ZEmptyTag�r �name� namespacer zVoid element has childrenN�r! )r r$ r# �attrs� hasChildrenr r r �emptyTag0 s �zTreeWalker.emptyTagc C s d|||d�S )z�Generates a StartTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :returns: StartTag token ZStartTagr" r )r r$ r# r& r r r �startTagE s �zTreeWalker.startTagc C s d||d�S )z�Generates an EndTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :returns: EndTag token ZEndTag)r r# r$ r )r r$ r# r r r �endTagV s �zTreeWalker.endTagc c sx |}|� t�}|dt|�t|� � }|r6d|d�V |}|�t�}|t|�d� }|rdd|d�V |rtd|d�V dS )at Generates SpaceCharacters and Characters tokens Depending on what's in the data, this generates one or more ``SpaceCharacters`` and ``Characters`` tokens. For example: >>> from html5lib.treewalkers.base import TreeWalker >>> # Give it an empty tree just so it instantiates >>> walker = TreeWalker([]) >>> list(walker.text('')) [] >>> list(walker.text(' ')) [{u'data': ' ', u'type': u'SpaceCharacters'}] >>> list(walker.text(' abc ')) # doctest: +NORMALIZE_WHITESPACE [{u'data': ' ', u'type': u'SpaceCharacters'}, {u'data': u'abc', u'type': u'Characters'}, {u'data': u' ', u'type': u'SpaceCharacters'}] :arg data: the text data :returns: one or more ``SpaceCharacters`` and ``Characters`` tokens NZSpaceCharactersr Z Characters)�lstripr �len�rstrip)r r Zmiddle�left�rightr r r �textd s zTreeWalker.textc C s d|d�S )zdGenerates a Comment token :arg data: the comment :returns: Comment token �Commentr r )r r r r r �comment� s zTreeWalker.commentNc C s d|||d�S )z�Generates a Doctype token :arg name: :arg publicId: :arg systemId: :returns: the Doctype token ZDoctype)r r# �publicId�systemIdr )r r# r3 r4 r r r �doctype� s �zTreeWalker.doctypec C s d|d�S )zjGenerates an Entity token :arg name: the entity name :returns: an Entity token ZEntity)r r# r )r r# r r r �entity� s zTreeWalker.entityc C s | � d| �S )zHandles unknown node typeszUnknown node type: r% )r ZnodeTyper r r �unknown� s zTreeWalker.unknown)F)NN)�__name__� __module__� __qualname__�__doc__r r r! r( r) r* r0 r2 r5 r6 r7 r r r r r s & r c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) r c C s t �d S r r �r Znoder r r �getNodeDetails� s z%NonRecursiveTreeWalker.getNodeDetailsc C s t �d S r r r< r r r � getFirstChild� s z$NonRecursiveTreeWalker.getFirstChildc C s t �d S r r r< r r r �getNextSibling� s z%NonRecursiveTreeWalker.getNextSiblingc C s t �d S r r r< r r r � getParentNode� s z$NonRecursiveTreeWalker.getParentNodec c s� | j }|d u�r�| �|�}|d |dd � }}d}|tkrJ| j|� V n�|tkrj| j|� D ] }|V q\n�|tkr�|\}}}}|r�|td kr�|tv r�| � ||||�D ] }|V q�d}n| � |||�V nV|t kr�| � |d �V n<|t k�r | �|d �V n |tk�rd}n| �|d �V |�r2| �|�} nd } | d u�rF| }q|d ur| �|�}|d |dd � }}|tk�r�|\}}}}|�r�|td k�s�|tv�r�| �||�V | j |u �r�d }q| �|�} | d u�r�| }qn | �|�}�qFqd S )Nr � FZhtmlT)r r= r r5 r r0 r r r r( r) r r2 r r6 r r7 r> r* r? r@ ) r Z currentNodeZdetailsr r' �tokenr$ r# Z attributesZ firstChildZ nextSiblingr r r r � s\ � z NonRecursiveTreeWalker.__iter__N)r8 r9 r: r= r> r? r@ r r r r r r � s r N) Z __future__r r r Zxml.domr Z constantsr r r �__all__Z DOCUMENT_NODEr ZDOCUMENT_TYPE_NODEr Z TEXT_NODEr Z ELEMENT_NODEr Z COMMENT_NODEr Z ENTITY_NODEr r �join�objectr r r r r r �<module> s ! _vendor/html5lib/treewalkers/__pycache__/base.cpython-39.pyc 0000644 00000015461 15114542003 0020025 0 ustar 00 a [��f4 � @ s� d dl mZmZmZ d dlmZ ddlmZmZm Z g d�Z ej Z ej ZejZejZejZejZdZd�e �Z G dd � d e�ZG d d � d e�Zd S ) � )�absolute_import�division�unicode_literals)�Node� )� namespaces� voidElements�spaceCharacters) �DOCUMENT�DOCTYPE�TEXT�ELEMENT�COMMENT�ENTITY�UNKNOWN� TreeWalker�NonRecursiveTreeWalkerz <#UNKNOWN#>� c @ sl e Zd ZdZdd� Zdd� Zdd� Zdd d �Zd d � Zd d� Z dd� Z dd� Z ddd�Z dd� Z dd� ZdS ) r z}Walks a tree yielding tokens Tokens are dicts that all have a ``type`` field specifying the type of the token. c C s || _ dS )zCCreates a TreeWalker :arg tree: the tree to walk N)�tree)�selfr � r �I/usr/lib/python3.9/site-packages/pip/_vendor/html5lib/treewalkers/base.py�__init__ s zTreeWalker.__init__c C s t �d S �N��NotImplementedError)r r r r �__iter__# s zTreeWalker.__iter__c C s d|d�S )z�Generates an error token with the given message :arg msg: the error message :returns: SerializeError token ZSerializeError��type�datar )r �msgr r r �error& s zTreeWalker.errorFc c s$ d|||d�V |r | � d�V dS )ar Generates an EmptyTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :arg hasChildren: whether or not to yield a SerializationError because this tag shouldn't have children :returns: EmptyTag token ZEmptyTag�r �name� namespacer zVoid element has childrenN�r! )r r$ r# �attrs� hasChildrenr r r �emptyTag0 s �zTreeWalker.emptyTagc C s d|||d�S )z�Generates a StartTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :returns: StartTag token ZStartTagr" r )r r$ r# r& r r r �startTagE s �zTreeWalker.startTagc C s d||d�S )z�Generates an EndTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :returns: EndTag token ZEndTag)r r# r$ r )r r$ r# r r r �endTagV s �zTreeWalker.endTagc c sx |}|� t�}|dt|�t|� � }|r6d|d�V |}|�t�}|t|�d� }|rdd|d�V |rtd|d�V dS )at Generates SpaceCharacters and Characters tokens Depending on what's in the data, this generates one or more ``SpaceCharacters`` and ``Characters`` tokens. 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To create a tree walker for a new type of tree, you need to implement a tree walker object (called TreeWalker by convention) that implements a 'serialize' method which takes a tree as sole argument and returns an iterator which generates tokens. """ from __future__ import absolute_import, division, unicode_literals from .. import constants from .._utils import default_etree __all__ = ["getTreeWalker", "pprint"] treeWalkerCache = {} def getTreeWalker(treeType, implementation=None, **kwargs): """Get a TreeWalker class for various types of tree with built-in support :arg str treeType: the name of the tree type required (case-insensitive). Supported values are: * "dom": The xml.dom.minidom DOM implementation * "etree": A generic walker for tree implementations exposing an elementtree-like interface (known to work with ElementTree, cElementTree and lxml.etree). * "lxml": Optimized walker for lxml.etree * "genshi": a Genshi stream :arg implementation: A module implementing the tree type e.g. xml.etree.ElementTree or cElementTree (Currently applies to the "etree" tree type only). :arg kwargs: keyword arguments passed to the etree walker--for other walkers, this has no effect :returns: a TreeWalker class """ treeType = treeType.lower() if treeType not in treeWalkerCache: if treeType == "dom": from . import dom treeWalkerCache[treeType] = dom.TreeWalker elif treeType == "genshi": from . import genshi treeWalkerCache[treeType] = genshi.TreeWalker elif treeType == "lxml": from . import etree_lxml treeWalkerCache[treeType] = etree_lxml.TreeWalker elif treeType == "etree": from . import etree if implementation is None: implementation = default_etree # XXX: NEVER cache here, caching is done in the etree submodule return etree.getETreeModule(implementation, **kwargs).TreeWalker return treeWalkerCache.get(treeType) def concatenateCharacterTokens(tokens): pendingCharacters = [] for token in tokens: type = token["type"] if type in ("Characters", "SpaceCharacters"): pendingCharacters.append(token["data"]) else: if pendingCharacters: yield {"type": "Characters", "data": "".join(pendingCharacters)} pendingCharacters = [] yield token if pendingCharacters: yield {"type": "Characters", "data": "".join(pendingCharacters)} def pprint(walker): """Pretty printer for tree walkers Takes a TreeWalker instance and pretty prints the output of walking the tree. :arg walker: a TreeWalker instance """ output = [] indent = 0 for token in concatenateCharacterTokens(walker): type = token["type"] if type in ("StartTag", "EmptyTag"): # tag name if token["namespace"] and token["namespace"] != constants.namespaces["html"]: if token["namespace"] in constants.prefixes: ns = constants.prefixes[token["namespace"]] else: ns = token["namespace"] name = "%s %s" % (ns, token["name"]) else: name = token["name"] output.append("%s<%s>" % (" " * indent, name)) indent += 2 # attributes (sorted for consistent ordering) attrs = token["data"] for (namespace, localname), value in sorted(attrs.items()): if namespace: if namespace in constants.prefixes: ns = constants.prefixes[namespace] else: ns = namespace name = "%s %s" % (ns, localname) else: name = localname output.append("%s%s=\"%s\"" % (" " * indent, name, value)) # self-closing if type == "EmptyTag": indent -= 2 elif type == "EndTag": indent -= 2 elif type == "Comment": output.append("%s<!-- %s -->" % (" " * indent, token["data"])) elif type == "Doctype": if token["name"]: if token["publicId"]: output.append("""%s<!DOCTYPE %s "%s" "%s">""" % (" " * indent, token["name"], token["publicId"], token["systemId"] if token["systemId"] else "")) elif token["systemId"]: output.append("""%s<!DOCTYPE %s "" "%s">""" % (" " * indent, token["name"], token["systemId"])) else: output.append("%s<!DOCTYPE %s>" % (" " * indent, token["name"])) else: output.append("%s<!DOCTYPE >" % (" " * indent,)) elif type == "Characters": output.append("%s\"%s\"" % (" " * indent, token["data"])) elif type == "SpaceCharacters": assert False, "concatenateCharacterTokens should have got rid of all Space tokens" else: raise ValueError("Unknown token type, %s" % type) return "\n".join(output) _vendor/html5lib/treewalkers/base.py 0000644 00000016464 15114542003 0013542 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from xml.dom import Node from ..constants import namespaces, voidElements, spaceCharacters __all__ = ["DOCUMENT", "DOCTYPE", "TEXT", "ELEMENT", "COMMENT", "ENTITY", "UNKNOWN", "TreeWalker", "NonRecursiveTreeWalker"] DOCUMENT = Node.DOCUMENT_NODE DOCTYPE = Node.DOCUMENT_TYPE_NODE TEXT = Node.TEXT_NODE ELEMENT = Node.ELEMENT_NODE COMMENT = Node.COMMENT_NODE ENTITY = Node.ENTITY_NODE UNKNOWN = "<#UNKNOWN#>" spaceCharacters = "".join(spaceCharacters) class TreeWalker(object): """Walks a tree yielding tokens Tokens are dicts that all have a ``type`` field specifying the type of the token. """ def __init__(self, tree): """Creates a TreeWalker :arg tree: the tree to walk """ self.tree = tree def __iter__(self): raise NotImplementedError def error(self, msg): """Generates an error token with the given message :arg msg: the error message :returns: SerializeError token """ return {"type": "SerializeError", "data": msg} def emptyTag(self, namespace, name, attrs, hasChildren=False): """Generates an EmptyTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :arg hasChildren: whether or not to yield a SerializationError because this tag shouldn't have children :returns: EmptyTag token """ yield {"type": "EmptyTag", "name": name, "namespace": namespace, "data": attrs} if hasChildren: yield self.error("Void element has children") def startTag(self, namespace, name, attrs): """Generates a StartTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :arg attrs: the attributes of the element as a dict :returns: StartTag token """ return {"type": "StartTag", "name": name, "namespace": namespace, "data": attrs} def endTag(self, namespace, name): """Generates an EndTag token :arg namespace: the namespace of the token--can be ``None`` :arg name: the name of the element :returns: EndTag token """ return {"type": "EndTag", "name": name, "namespace": namespace} def text(self, data): """Generates SpaceCharacters and Characters tokens Depending on what's in the data, this generates one or more ``SpaceCharacters`` and ``Characters`` tokens. For example: >>> from html5lib.treewalkers.base import TreeWalker >>> # Give it an empty tree just so it instantiates >>> walker = TreeWalker([]) >>> list(walker.text('')) [] >>> list(walker.text(' ')) [{u'data': ' ', u'type': u'SpaceCharacters'}] >>> list(walker.text(' abc ')) # doctest: +NORMALIZE_WHITESPACE [{u'data': ' ', u'type': u'SpaceCharacters'}, {u'data': u'abc', u'type': u'Characters'}, {u'data': u' ', u'type': u'SpaceCharacters'}] :arg data: the text data :returns: one or more ``SpaceCharacters`` and ``Characters`` tokens """ data = data middle = data.lstrip(spaceCharacters) left = data[:len(data) - len(middle)] if left: yield {"type": "SpaceCharacters", "data": left} data = middle middle = data.rstrip(spaceCharacters) right = data[len(middle):] if middle: yield {"type": "Characters", "data": middle} if right: yield {"type": "SpaceCharacters", "data": right} def comment(self, data): """Generates a Comment token :arg data: the comment :returns: Comment token """ return {"type": "Comment", "data": data} def doctype(self, name, publicId=None, systemId=None): """Generates a Doctype token :arg name: :arg publicId: :arg systemId: :returns: the Doctype token """ return {"type": "Doctype", "name": name, "publicId": publicId, "systemId": systemId} def entity(self, name): """Generates an Entity token :arg name: the entity name :returns: an Entity token """ return {"type": "Entity", "name": name} def unknown(self, nodeType): """Handles unknown node types""" return self.error("Unknown node type: " + nodeType) class NonRecursiveTreeWalker(TreeWalker): def getNodeDetails(self, node): raise NotImplementedError def getFirstChild(self, node): raise NotImplementedError def getNextSibling(self, node): raise NotImplementedError def getParentNode(self, node): raise NotImplementedError def __iter__(self): currentNode = self.tree while currentNode is not None: details = self.getNodeDetails(currentNode) type, details = details[0], details[1:] hasChildren = False if type == DOCTYPE: yield self.doctype(*details) elif type == TEXT: for token in self.text(*details): yield token elif type == ELEMENT: namespace, name, attributes, hasChildren = details if (not namespace or namespace == namespaces["html"]) and name in voidElements: for token in self.emptyTag(namespace, name, attributes, hasChildren): yield token hasChildren = False else: yield self.startTag(namespace, name, attributes) elif type == COMMENT: yield self.comment(details[0]) elif type == ENTITY: yield self.entity(details[0]) elif type == DOCUMENT: hasChildren = True else: yield self.unknown(details[0]) if hasChildren: firstChild = self.getFirstChild(currentNode) else: firstChild = None if firstChild is not None: currentNode = firstChild else: while currentNode is not None: details = self.getNodeDetails(currentNode) type, details = details[0], details[1:] if type == ELEMENT: namespace, name, attributes, hasChildren = details if (namespace and namespace != namespaces["html"]) or name not in voidElements: yield self.endTag(namespace, name) if self.tree is currentNode: currentNode = None break nextSibling = self.getNextSibling(currentNode) if nextSibling is not None: currentNode = nextSibling break else: currentNode = self.getParentNode(currentNode) _vendor/html5lib/treewalkers/dom.py 0000644 00000002605 15114542003 0013377 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from xml.dom import Node from . import base class TreeWalker(base.NonRecursiveTreeWalker): def getNodeDetails(self, node): if node.nodeType == Node.DOCUMENT_TYPE_NODE: return base.DOCTYPE, node.name, node.publicId, node.systemId elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE): return base.TEXT, node.nodeValue elif node.nodeType == Node.ELEMENT_NODE: attrs = {} for attr in list(node.attributes.keys()): attr = node.getAttributeNode(attr) if attr.namespaceURI: attrs[(attr.namespaceURI, attr.localName)] = attr.value else: attrs[(None, attr.name)] = attr.value return (base.ELEMENT, node.namespaceURI, node.nodeName, attrs, node.hasChildNodes()) elif node.nodeType == Node.COMMENT_NODE: return base.COMMENT, node.nodeValue elif node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE): return (base.DOCUMENT,) else: return base.UNKNOWN, node.nodeType def getFirstChild(self, node): return node.firstChild def getNextSibling(self, node): return node.nextSibling def getParentNode(self, node): return node.parentNode _vendor/html5lib/treewalkers/etree.py 0000644 00000010707 15114542003 0013726 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from collections import OrderedDict import re from pip._vendor.six import string_types from . import base from .._utils import moduleFactoryFactory tag_regexp = re.compile("{([^}]*)}(.*)") def getETreeBuilder(ElementTreeImplementation): ElementTree = ElementTreeImplementation ElementTreeCommentType = ElementTree.Comment("asd").tag class TreeWalker(base.NonRecursiveTreeWalker): # pylint:disable=unused-variable """Given the particular ElementTree representation, this implementation, to avoid using recursion, returns "nodes" as tuples with the following content: 1. The current element 2. The index of the element relative to its parent 3. A stack of ancestor elements 4. A flag "text", "tail" or None to indicate if the current node is a text node; either the text or tail of the current element (1) """ def getNodeDetails(self, node): if isinstance(node, tuple): # It might be the root Element elt, _, _, flag = node if flag in ("text", "tail"): return base.TEXT, getattr(elt, flag) else: node = elt if not(hasattr(node, "tag")): node = node.getroot() if node.tag in ("DOCUMENT_ROOT", "DOCUMENT_FRAGMENT"): return (base.DOCUMENT,) elif node.tag == "<!DOCTYPE>": return (base.DOCTYPE, node.text, node.get("publicId"), node.get("systemId")) elif node.tag == ElementTreeCommentType: return base.COMMENT, node.text else: assert isinstance(node.tag, string_types), type(node.tag) # This is assumed to be an ordinary element match = tag_regexp.match(node.tag) if match: namespace, tag = match.groups() else: namespace = None tag = node.tag attrs = OrderedDict() for name, value in list(node.attrib.items()): match = tag_regexp.match(name) if match: attrs[(match.group(1), match.group(2))] = value else: attrs[(None, name)] = value return (base.ELEMENT, namespace, tag, attrs, len(node) or node.text) def getFirstChild(self, node): if isinstance(node, tuple): element, key, parents, flag = node else: element, key, parents, flag = node, None, [], None if flag in ("text", "tail"): return None else: if element.text: return element, key, parents, "text" elif len(element): parents.append(element) return element[0], 0, parents, None else: return None def getNextSibling(self, node): if isinstance(node, tuple): element, key, parents, flag = node else: return None if flag == "text": if len(element): parents.append(element) return element[0], 0, parents, None else: return None else: if element.tail and flag != "tail": return element, key, parents, "tail" elif key < len(parents[-1]) - 1: return parents[-1][key + 1], key + 1, parents, None else: return None def getParentNode(self, node): if isinstance(node, tuple): element, key, parents, flag = node else: return None if flag == "text": if not parents: return element else: return element, key, parents, None else: parent = parents.pop() if not parents: return parent else: assert list(parents[-1]).count(parent) == 1 return parent, list(parents[-1]).index(parent), parents, None return locals() getETreeModule = moduleFactoryFactory(getETreeBuilder) _vendor/html5lib/treewalkers/etree_lxml.py 0000644 00000014325 15114542003 0014762 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type from collections import OrderedDict from lxml import etree from ..treebuilders.etree import tag_regexp from . import base from .. import _ihatexml def ensure_str(s): if s is None: return None elif isinstance(s, text_type): return s else: return s.decode("ascii", "strict") class Root(object): def __init__(self, et): self.elementtree = et self.children = [] try: if et.docinfo.internalDTD: self.children.append(Doctype(self, ensure_str(et.docinfo.root_name), ensure_str(et.docinfo.public_id), ensure_str(et.docinfo.system_url))) except AttributeError: pass try: node = et.getroot() except AttributeError: node = et while node.getprevious() is not None: node = node.getprevious() while node is not None: self.children.append(node) node = node.getnext() self.text = None self.tail = None def __getitem__(self, key): return self.children[key] def getnext(self): return None def __len__(self): return 1 class Doctype(object): def __init__(self, root_node, name, public_id, system_id): self.root_node = root_node self.name = name self.public_id = public_id self.system_id = system_id self.text = None self.tail = None def getnext(self): return self.root_node.children[1] class FragmentRoot(Root): def __init__(self, children): self.children = [FragmentWrapper(self, child) for child in children] self.text = self.tail = None def getnext(self): return None class FragmentWrapper(object): def __init__(self, fragment_root, obj): self.root_node = fragment_root self.obj = obj if hasattr(self.obj, 'text'): self.text = ensure_str(self.obj.text) else: self.text = None if hasattr(self.obj, 'tail'): self.tail = ensure_str(self.obj.tail) else: self.tail = None def __getattr__(self, name): return getattr(self.obj, name) def getnext(self): siblings = self.root_node.children idx = siblings.index(self) if idx < len(siblings) - 1: return siblings[idx + 1] else: return None def __getitem__(self, key): return self.obj[key] def __bool__(self): return bool(self.obj) def getparent(self): return None def __str__(self): return str(self.obj) def __unicode__(self): return str(self.obj) def __len__(self): return len(self.obj) class TreeWalker(base.NonRecursiveTreeWalker): def __init__(self, tree): # pylint:disable=redefined-variable-type if isinstance(tree, list): self.fragmentChildren = set(tree) tree = FragmentRoot(tree) else: self.fragmentChildren = set() tree = Root(tree) base.NonRecursiveTreeWalker.__init__(self, tree) self.filter = _ihatexml.InfosetFilter() def getNodeDetails(self, node): if isinstance(node, tuple): # Text node node, key = node assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key return base.TEXT, ensure_str(getattr(node, key)) elif isinstance(node, Root): return (base.DOCUMENT,) elif isinstance(node, Doctype): return base.DOCTYPE, node.name, node.public_id, node.system_id elif isinstance(node, FragmentWrapper) and not hasattr(node, "tag"): return base.TEXT, ensure_str(node.obj) elif node.tag == etree.Comment: return base.COMMENT, ensure_str(node.text) elif node.tag == etree.Entity: return base.ENTITY, ensure_str(node.text)[1:-1] # strip &; else: # This is assumed to be an ordinary element match = tag_regexp.match(ensure_str(node.tag)) if match: namespace, tag = match.groups() else: namespace = None tag = ensure_str(node.tag) attrs = OrderedDict() for name, value in list(node.attrib.items()): name = ensure_str(name) value = ensure_str(value) match = tag_regexp.match(name) if match: attrs[(match.group(1), match.group(2))] = value else: attrs[(None, name)] = value return (base.ELEMENT, namespace, self.filter.fromXmlName(tag), attrs, len(node) > 0 or node.text) def getFirstChild(self, node): assert not isinstance(node, tuple), "Text nodes have no children" assert len(node) or node.text, "Node has no children" if node.text: return (node, "text") else: return node[0] def getNextSibling(self, node): if isinstance(node, tuple): # Text node node, key = node assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key if key == "text": # XXX: we cannot use a "bool(node) and node[0] or None" construct here # because node[0] might evaluate to False if it has no child element if len(node): return node[0] else: return None else: # tail return node.getnext() return (node, "tail") if node.tail else node.getnext() def getParentNode(self, node): if isinstance(node, tuple): # Text node node, key = node assert key in ("text", "tail"), "Text nodes are text or tail, found %s" % key if key == "text": return node # else: fallback to "normal" processing elif node in self.fragmentChildren: return None return node.getparent() _vendor/html5lib/treewalkers/genshi.py 0000644 00000004405 15114542003 0014075 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from genshi.core import QName from genshi.core import START, END, XML_NAMESPACE, DOCTYPE, TEXT from genshi.core import START_NS, END_NS, START_CDATA, END_CDATA, PI, COMMENT from . import base from ..constants import voidElements, namespaces class TreeWalker(base.TreeWalker): def __iter__(self): # Buffer the events so we can pass in the following one previous = None for event in self.tree: if previous is not None: for token in self.tokens(previous, event): yield token previous = event # Don't forget the final event! if previous is not None: for token in self.tokens(previous, None): yield token def tokens(self, event, next): kind, data, _ = event if kind == START: tag, attribs = data name = tag.localname namespace = tag.namespace converted_attribs = {} for k, v in attribs: if isinstance(k, QName): converted_attribs[(k.namespace, k.localname)] = v else: converted_attribs[(None, k)] = v if namespace == namespaces["html"] and name in voidElements: for token in self.emptyTag(namespace, name, converted_attribs, not next or next[0] != END or next[1] != tag): yield token else: yield self.startTag(namespace, name, converted_attribs) elif kind == END: name = data.localname namespace = data.namespace if namespace != namespaces["html"] or name not in voidElements: yield self.endTag(namespace, name) elif kind == COMMENT: yield self.comment(data) elif kind == TEXT: for token in self.text(data): yield token elif kind == DOCTYPE: yield self.doctype(*data) elif kind in (XML_NAMESPACE, DOCTYPE, START_NS, END_NS, START_CDATA, END_CDATA, PI): pass else: yield self.unknown(kind) _vendor/html5lib/__init__.py 0000644 00000002210 15114542003 0012017 0 ustar 00 """ HTML parsing library based on the `WHATWG HTML specification <https://whatwg.org/html>`_. The parser is designed to be compatible with existing HTML found in the wild and implements well-defined error recovery that is largely compatible with modern desktop web browsers. Example usage:: from pip._vendor import html5lib with open("my_document.html", "rb") as f: tree = html5lib.parse(f) For convenience, this module re-exports the following names: * :func:`~.html5parser.parse` * :func:`~.html5parser.parseFragment` * :class:`~.html5parser.HTMLParser` * :func:`~.treebuilders.getTreeBuilder` * :func:`~.treewalkers.getTreeWalker` * :func:`~.serializer.serialize` """ from __future__ import absolute_import, division, unicode_literals from .html5parser import HTMLParser, parse, parseFragment from .treebuilders import getTreeBuilder from .treewalkers import getTreeWalker from .serializer import serialize __all__ = ["HTMLParser", "parse", "parseFragment", "getTreeBuilder", "getTreeWalker", "serialize"] # this has to be at the top level, see how setup.py parses this #: Distribution version number. __version__ = "1.1" _vendor/html5lib/_ihatexml.py 0000644 00000040530 15114542003 0012241 0 ustar 00 from __future__ import absolute_import, division, unicode_literals import re import warnings from .constants import DataLossWarning baseChar = """ [#x0041-#x005A] | [#x0061-#x007A] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x00FF] | [#x0100-#x0131] | [#x0134-#x013E] | [#x0141-#x0148] | [#x014A-#x017E] | [#x0180-#x01C3] | [#x01CD-#x01F0] | [#x01F4-#x01F5] | [#x01FA-#x0217] | [#x0250-#x02A8] | [#x02BB-#x02C1] | #x0386 | [#x0388-#x038A] | #x038C | [#x038E-#x03A1] | [#x03A3-#x03CE] | [#x03D0-#x03D6] | #x03DA | #x03DC | #x03DE | #x03E0 | [#x03E2-#x03F3] | [#x0401-#x040C] | [#x040E-#x044F] | [#x0451-#x045C] | [#x045E-#x0481] | [#x0490-#x04C4] | [#x04C7-#x04C8] | [#x04CB-#x04CC] | [#x04D0-#x04EB] | [#x04EE-#x04F5] | [#x04F8-#x04F9] | [#x0531-#x0556] | #x0559 | [#x0561-#x0586] | [#x05D0-#x05EA] | [#x05F0-#x05F2] | [#x0621-#x063A] | [#x0641-#x064A] | [#x0671-#x06B7] | [#x06BA-#x06BE] | [#x06C0-#x06CE] | [#x06D0-#x06D3] | #x06D5 | [#x06E5-#x06E6] | [#x0905-#x0939] | #x093D | [#x0958-#x0961] | [#x0985-#x098C] | [#x098F-#x0990] | [#x0993-#x09A8] | [#x09AA-#x09B0] | #x09B2 | [#x09B6-#x09B9] | [#x09DC-#x09DD] | [#x09DF-#x09E1] | [#x09F0-#x09F1] | [#x0A05-#x0A0A] | [#x0A0F-#x0A10] | [#x0A13-#x0A28] | [#x0A2A-#x0A30] | [#x0A32-#x0A33] | [#x0A35-#x0A36] | [#x0A38-#x0A39] | [#x0A59-#x0A5C] | #x0A5E | [#x0A72-#x0A74] | [#x0A85-#x0A8B] | #x0A8D | [#x0A8F-#x0A91] | [#x0A93-#x0AA8] | [#x0AAA-#x0AB0] | [#x0AB2-#x0AB3] | [#x0AB5-#x0AB9] | #x0ABD | #x0AE0 | [#x0B05-#x0B0C] | [#x0B0F-#x0B10] | [#x0B13-#x0B28] | [#x0B2A-#x0B30] | [#x0B32-#x0B33] | [#x0B36-#x0B39] | #x0B3D | [#x0B5C-#x0B5D] | [#x0B5F-#x0B61] | [#x0B85-#x0B8A] | [#x0B8E-#x0B90] | [#x0B92-#x0B95] | [#x0B99-#x0B9A] | #x0B9C | [#x0B9E-#x0B9F] | [#x0BA3-#x0BA4] | [#x0BA8-#x0BAA] | [#x0BAE-#x0BB5] | [#x0BB7-#x0BB9] | [#x0C05-#x0C0C] | [#x0C0E-#x0C10] | [#x0C12-#x0C28] | [#x0C2A-#x0C33] | [#x0C35-#x0C39] | [#x0C60-#x0C61] | [#x0C85-#x0C8C] | [#x0C8E-#x0C90] | [#x0C92-#x0CA8] | [#x0CAA-#x0CB3] | [#x0CB5-#x0CB9] | #x0CDE | [#x0CE0-#x0CE1] | [#x0D05-#x0D0C] | [#x0D0E-#x0D10] | [#x0D12-#x0D28] | [#x0D2A-#x0D39] | [#x0D60-#x0D61] | [#x0E01-#x0E2E] | #x0E30 | [#x0E32-#x0E33] | [#x0E40-#x0E45] | [#x0E81-#x0E82] | #x0E84 | [#x0E87-#x0E88] | #x0E8A | #x0E8D | [#x0E94-#x0E97] | [#x0E99-#x0E9F] | [#x0EA1-#x0EA3] | #x0EA5 | #x0EA7 | [#x0EAA-#x0EAB] | [#x0EAD-#x0EAE] | #x0EB0 | [#x0EB2-#x0EB3] | #x0EBD | [#x0EC0-#x0EC4] | [#x0F40-#x0F47] | [#x0F49-#x0F69] | [#x10A0-#x10C5] | [#x10D0-#x10F6] | #x1100 | [#x1102-#x1103] | [#x1105-#x1107] | #x1109 | [#x110B-#x110C] | [#x110E-#x1112] | #x113C | #x113E | #x1140 | #x114C | #x114E | #x1150 | [#x1154-#x1155] | #x1159 | [#x115F-#x1161] | #x1163 | #x1165 | #x1167 | #x1169 | [#x116D-#x116E] | [#x1172-#x1173] | #x1175 | #x119E | #x11A8 | #x11AB | [#x11AE-#x11AF] | [#x11B7-#x11B8] | #x11BA | [#x11BC-#x11C2] | #x11EB | #x11F0 | #x11F9 | [#x1E00-#x1E9B] | [#x1EA0-#x1EF9] | [#x1F00-#x1F15] | [#x1F18-#x1F1D] | [#x1F20-#x1F45] | [#x1F48-#x1F4D] | [#x1F50-#x1F57] | #x1F59 | #x1F5B | #x1F5D | [#x1F5F-#x1F7D] | [#x1F80-#x1FB4] | [#x1FB6-#x1FBC] | #x1FBE | [#x1FC2-#x1FC4] | [#x1FC6-#x1FCC] | [#x1FD0-#x1FD3] | [#x1FD6-#x1FDB] | [#x1FE0-#x1FEC] | [#x1FF2-#x1FF4] | [#x1FF6-#x1FFC] | #x2126 | [#x212A-#x212B] | #x212E | [#x2180-#x2182] | [#x3041-#x3094] | [#x30A1-#x30FA] | [#x3105-#x312C] | [#xAC00-#xD7A3]""" ideographic = """[#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029]""" combiningCharacter = """ [#x0300-#x0345] | [#x0360-#x0361] | [#x0483-#x0486] | [#x0591-#x05A1] | [#x05A3-#x05B9] | [#x05BB-#x05BD] | #x05BF | [#x05C1-#x05C2] | #x05C4 | [#x064B-#x0652] | #x0670 | [#x06D6-#x06DC] | [#x06DD-#x06DF] | [#x06E0-#x06E4] | [#x06E7-#x06E8] | [#x06EA-#x06ED] | [#x0901-#x0903] | #x093C | [#x093E-#x094C] | #x094D | [#x0951-#x0954] | [#x0962-#x0963] | [#x0981-#x0983] | #x09BC | #x09BE | #x09BF | [#x09C0-#x09C4] | [#x09C7-#x09C8] | [#x09CB-#x09CD] | #x09D7 | [#x09E2-#x09E3] | #x0A02 | #x0A3C | #x0A3E | #x0A3F | [#x0A40-#x0A42] | [#x0A47-#x0A48] | [#x0A4B-#x0A4D] | [#x0A70-#x0A71] | [#x0A81-#x0A83] | #x0ABC | [#x0ABE-#x0AC5] | [#x0AC7-#x0AC9] | [#x0ACB-#x0ACD] | [#x0B01-#x0B03] | #x0B3C | [#x0B3E-#x0B43] | [#x0B47-#x0B48] | [#x0B4B-#x0B4D] | [#x0B56-#x0B57] | [#x0B82-#x0B83] | [#x0BBE-#x0BC2] | [#x0BC6-#x0BC8] | [#x0BCA-#x0BCD] | #x0BD7 | [#x0C01-#x0C03] | [#x0C3E-#x0C44] | [#x0C46-#x0C48] | [#x0C4A-#x0C4D] | [#x0C55-#x0C56] | [#x0C82-#x0C83] | [#x0CBE-#x0CC4] | [#x0CC6-#x0CC8] | [#x0CCA-#x0CCD] | [#x0CD5-#x0CD6] | [#x0D02-#x0D03] | [#x0D3E-#x0D43] | [#x0D46-#x0D48] | [#x0D4A-#x0D4D] | #x0D57 | #x0E31 | [#x0E34-#x0E3A] | [#x0E47-#x0E4E] | #x0EB1 | [#x0EB4-#x0EB9] | [#x0EBB-#x0EBC] | [#x0EC8-#x0ECD] | [#x0F18-#x0F19] | #x0F35 | #x0F37 | #x0F39 | #x0F3E | #x0F3F | [#x0F71-#x0F84] | [#x0F86-#x0F8B] | [#x0F90-#x0F95] | #x0F97 | [#x0F99-#x0FAD] | [#x0FB1-#x0FB7] | #x0FB9 | [#x20D0-#x20DC] | #x20E1 | [#x302A-#x302F] | #x3099 | #x309A""" digit = """ [#x0030-#x0039] | [#x0660-#x0669] | [#x06F0-#x06F9] | [#x0966-#x096F] | [#x09E6-#x09EF] | [#x0A66-#x0A6F] | [#x0AE6-#x0AEF] | [#x0B66-#x0B6F] | [#x0BE7-#x0BEF] | [#x0C66-#x0C6F] | [#x0CE6-#x0CEF] | [#x0D66-#x0D6F] | [#x0E50-#x0E59] | [#x0ED0-#x0ED9] | [#x0F20-#x0F29]""" extender = """ #x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | #x0E46 | #x0EC6 | #x3005 | #[#x3031-#x3035] | [#x309D-#x309E] | [#x30FC-#x30FE]""" letter = " | ".join([baseChar, ideographic]) # Without the name = " | ".join([letter, digit, ".", "-", "_", combiningCharacter, extender]) nameFirst = " | ".join([letter, "_"]) reChar = re.compile(r"#x([\d|A-F]{4,4})") reCharRange = re.compile(r"\[#x([\d|A-F]{4,4})-#x([\d|A-F]{4,4})\]") def charStringToList(chars): charRanges = [item.strip() for item in chars.split(" | ")] rv = [] for item in charRanges: foundMatch = False for regexp in (reChar, reCharRange): match = regexp.match(item) if match is not None: rv.append([hexToInt(item) for item in match.groups()]) if len(rv[-1]) == 1: rv[-1] = rv[-1] * 2 foundMatch = True break if not foundMatch: assert len(item) == 1 rv.append([ord(item)] * 2) rv = normaliseCharList(rv) return rv def normaliseCharList(charList): charList = sorted(charList) for item in charList: assert item[1] >= item[0] rv = [] i = 0 while i < len(charList): j = 1 rv.append(charList[i]) while i + j < len(charList) and charList[i + j][0] <= rv[-1][1] + 1: rv[-1][1] = charList[i + j][1] j += 1 i += j return rv # We don't really support characters above the BMP :( max_unicode = int("FFFF", 16) def missingRanges(charList): rv = [] if charList[0] != 0: rv.append([0, charList[0][0] - 1]) for i, item in enumerate(charList[:-1]): rv.append([item[1] + 1, charList[i + 1][0] - 1]) if charList[-1][1] != max_unicode: rv.append([charList[-1][1] + 1, max_unicode]) return rv def listToRegexpStr(charList): rv = [] for item in charList: if item[0] == item[1]: rv.append(escapeRegexp(chr(item[0]))) else: rv.append(escapeRegexp(chr(item[0])) + "-" + escapeRegexp(chr(item[1]))) return "[%s]" % "".join(rv) def hexToInt(hex_str): return int(hex_str, 16) def escapeRegexp(string): specialCharacters = (".", "^", "$", "*", "+", "?", "{", "}", "[", "]", "|", "(", ")", "-") for char in specialCharacters: string = string.replace(char, "\\" + char) return string # output from the above nonXmlNameBMPRegexp = re.compile('[\x00-,/:-@\\[-\\^`\\{-\xb6\xb8-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u02cf\u02d2-\u02ff\u0346-\u035f\u0362-\u0385\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482\u0487-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u0590\u05a2\u05ba\u05be\u05c0\u05c3\u05c5-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u063f\u0653-\u065f\u066a-\u066f\u06b8-\u06b9\u06bf\u06cf\u06d4\u06e9\u06ee-\u06ef\u06fa-\u0900\u0904\u093a-\u093b\u094e-\u0950\u0955-\u0957\u0964-\u0965\u0970-\u0980\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09bb\u09bd\u09c5-\u09c6\u09c9-\u09ca\u09ce-\u09d6\u09d8-\u09db\u09de\u09e4-\u09e5\u09f2-\u0a01\u0a03-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a3b\u0a3d\u0a43-\u0a46\u0a49-\u0a4a\u0a4e-\u0a58\u0a5d\u0a5f-\u0a65\u0a75-\u0a80\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abb\u0ac6\u0aca\u0ace-\u0adf\u0ae1-\u0ae5\u0af0-\u0b00\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3b\u0b44-\u0b46\u0b49-\u0b4a\u0b4e-\u0b55\u0b58-\u0b5b\u0b5e\u0b62-\u0b65\u0b70-\u0b81\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0bbd\u0bc3-\u0bc5\u0bc9\u0bce-\u0bd6\u0bd8-\u0be6\u0bf0-\u0c00\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c3d\u0c45\u0c49\u0c4e-\u0c54\u0c57-\u0c5f\u0c62-\u0c65\u0c70-\u0c81\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cbd\u0cc5\u0cc9\u0cce-\u0cd4\u0cd7-\u0cdd\u0cdf\u0ce2-\u0ce5\u0cf0-\u0d01\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d3d\u0d44-\u0d45\u0d49\u0d4e-\u0d56\u0d58-\u0d5f\u0d62-\u0d65\u0d70-\u0e00\u0e2f\u0e3b-\u0e3f\u0e4f\u0e5a-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eba\u0ebe-\u0ebf\u0ec5\u0ec7\u0ece-\u0ecf\u0eda-\u0f17\u0f1a-\u0f1f\u0f2a-\u0f34\u0f36\u0f38\u0f3a-\u0f3d\u0f48\u0f6a-\u0f70\u0f85\u0f8c-\u0f8f\u0f96\u0f98\u0fae-\u0fb0\u0fb8\u0fba-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u20cf\u20dd-\u20e0\u20e2-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3004\u3006\u3008-\u3020\u3030\u3036-\u3040\u3095-\u3098\u309b-\u309c\u309f-\u30a0\u30fb\u30ff-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa nonXmlNameFirstBMPRegexp = re.compile('[\x00-@\\[-\\^`\\{-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u0385\u0387\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u0640\u064b-\u0670\u06b8-\u06b9\u06bf\u06cf\u06d4\u06d6-\u06e4\u06e7-\u0904\u093a-\u093c\u093e-\u0957\u0962-\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09db\u09de\u09e2-\u09ef\u09f2-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a58\u0a5d\u0a5f-\u0a71\u0a75-\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abc\u0abe-\u0adf\u0ae1-\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3c\u0b3e-\u0b5b\u0b5e\u0b62-\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c5f\u0c62-\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cdd\u0cdf\u0ce2-\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d5f\u0d62-\u0e00\u0e2f\u0e31\u0e34-\u0e3f\u0e46-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eb1\u0eb4-\u0ebc\u0ebe-\u0ebf\u0ec5-\u0f3f\u0f48\u0f6a-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3006\u3008-\u3020\u302a-\u3040\u3095-\u30a0\u30fb-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]') # noqa # Simpler things nonPubidCharRegexp = re.compile("[^\x20\x0D\x0Aa-zA-Z0-9\\-'()+,./:=?;!*#@$_%]") class InfosetFilter(object): replacementRegexp = re.compile(r"U[\dA-F]{5,5}") def __init__(self, dropXmlnsLocalName=False, dropXmlnsAttrNs=False, preventDoubleDashComments=False, preventDashAtCommentEnd=False, replaceFormFeedCharacters=True, preventSingleQuotePubid=False): self.dropXmlnsLocalName = dropXmlnsLocalName self.dropXmlnsAttrNs = dropXmlnsAttrNs self.preventDoubleDashComments = preventDoubleDashComments self.preventDashAtCommentEnd = preventDashAtCommentEnd self.replaceFormFeedCharacters = replaceFormFeedCharacters self.preventSingleQuotePubid = preventSingleQuotePubid self.replaceCache = {} def coerceAttribute(self, name, namespace=None): if self.dropXmlnsLocalName and name.startswith("xmlns:"): warnings.warn("Attributes cannot begin with xmlns", DataLossWarning) return None elif (self.dropXmlnsAttrNs and namespace == "http://www.w3.org/2000/xmlns/"): warnings.warn("Attributes cannot be in the xml namespace", DataLossWarning) return None else: return self.toXmlName(name) def coerceElement(self, name): return self.toXmlName(name) def coerceComment(self, data): if self.preventDoubleDashComments: while "--" in data: warnings.warn("Comments cannot contain adjacent dashes", DataLossWarning) data = data.replace("--", "- -") if data.endswith("-"): warnings.warn("Comments cannot end in a dash", DataLossWarning) data += " " return data def coerceCharacters(self, data): if self.replaceFormFeedCharacters: for _ in range(data.count("\x0C")): warnings.warn("Text cannot contain U+000C", DataLossWarning) data = data.replace("\x0C", " ") # Other non-xml characters return data def coercePubid(self, data): dataOutput = data for char in nonPubidCharRegexp.findall(data): warnings.warn("Coercing non-XML pubid", DataLossWarning) replacement = self.getReplacementCharacter(char) dataOutput = dataOutput.replace(char, replacement) if self.preventSingleQuotePubid and dataOutput.find("'") >= 0: warnings.warn("Pubid cannot contain single quote", DataLossWarning) dataOutput = dataOutput.replace("'", self.getReplacementCharacter("'")) return dataOutput def toXmlName(self, name): nameFirst = name[0] nameRest = name[1:] m = nonXmlNameFirstBMPRegexp.match(nameFirst) if m: warnings.warn("Coercing non-XML name: %s" % name, DataLossWarning) nameFirstOutput = self.getReplacementCharacter(nameFirst) else: nameFirstOutput = nameFirst nameRestOutput = nameRest replaceChars = set(nonXmlNameBMPRegexp.findall(nameRest)) for char in replaceChars: warnings.warn("Coercing non-XML name: %s" % name, DataLossWarning) replacement = self.getReplacementCharacter(char) nameRestOutput = nameRestOutput.replace(char, replacement) return nameFirstOutput + nameRestOutput def getReplacementCharacter(self, char): if char in self.replaceCache: replacement = self.replaceCache[char] else: replacement = self.escapeChar(char) return replacement def fromXmlName(self, name): for item in set(self.replacementRegexp.findall(name)): name = name.replace(item, self.unescapeChar(item)) return name def escapeChar(self, char): replacement = "U%05X" % ord(char) self.replaceCache[char] = replacement return replacement def unescapeChar(self, charcode): return chr(int(charcode[1:], 16)) _vendor/html5lib/_inputstream.py 0000644 00000077141 15114542003 0013011 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type from pip._vendor.six.moves import http_client, urllib import codecs import re from io import BytesIO, StringIO from pip._vendor import webencodings from .constants import EOF, spaceCharacters, asciiLetters, asciiUppercase from .constants import _ReparseException from . import _utils # Non-unicode versions of constants for use in the pre-parser spaceCharactersBytes = frozenset([item.encode("ascii") for item in spaceCharacters]) asciiLettersBytes = frozenset([item.encode("ascii") for item in asciiLetters]) asciiUppercaseBytes = frozenset([item.encode("ascii") for item in asciiUppercase]) spacesAngleBrackets = spaceCharactersBytes | frozenset([b">", b"<"]) invalid_unicode_no_surrogate = "[\u0001-\u0008\u000B\u000E-\u001F\u007F-\u009F\uFDD0-\uFDEF\uFFFE\uFFFF\U0001FFFE\U0001FFFF\U0002FFFE\U0002FFFF\U0003FFFE\U0003FFFF\U0004FFFE\U0004FFFF\U0005FFFE\U0005FFFF\U0006FFFE\U0006FFFF\U0007FFFE\U0007FFFF\U0008FFFE\U0008FFFF\U0009FFFE\U0009FFFF\U000AFFFE\U000AFFFF\U000BFFFE\U000BFFFF\U000CFFFE\U000CFFFF\U000DFFFE\U000DFFFF\U000EFFFE\U000EFFFF\U000FFFFE\U000FFFFF\U0010FFFE\U0010FFFF]" # noqa if _utils.supports_lone_surrogates: # Use one extra step of indirection and create surrogates with # eval. Not using this indirection would introduce an illegal # unicode literal on platforms not supporting such lone # surrogates. assert invalid_unicode_no_surrogate[-1] == "]" and invalid_unicode_no_surrogate.count("]") == 1 invalid_unicode_re = re.compile(invalid_unicode_no_surrogate[:-1] + eval('"\\uD800-\\uDFFF"') + # pylint:disable=eval-used "]") else: invalid_unicode_re = re.compile(invalid_unicode_no_surrogate) non_bmp_invalid_codepoints = {0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, 0x10FFFE, 0x10FFFF} ascii_punctuation_re = re.compile("[\u0009-\u000D\u0020-\u002F\u003A-\u0040\u005C\u005B-\u0060\u007B-\u007E]") # Cache for charsUntil() charsUntilRegEx = {} class BufferedStream(object): """Buffering for streams that do not have buffering of their own The buffer is implemented as a list of chunks on the assumption that joining many strings will be slow since it is O(n**2) """ def __init__(self, stream): self.stream = stream self.buffer = [] self.position = [-1, 0] # chunk number, offset def tell(self): pos = 0 for chunk in self.buffer[:self.position[0]]: pos += len(chunk) pos += self.position[1] return pos def seek(self, pos): assert pos <= self._bufferedBytes() offset = pos i = 0 while len(self.buffer[i]) < offset: offset -= len(self.buffer[i]) i += 1 self.position = [i, offset] def read(self, bytes): if not self.buffer: return self._readStream(bytes) elif (self.position[0] == len(self.buffer) and self.position[1] == len(self.buffer[-1])): return self._readStream(bytes) else: return self._readFromBuffer(bytes) def _bufferedBytes(self): return sum([len(item) for item in self.buffer]) def _readStream(self, bytes): data = self.stream.read(bytes) self.buffer.append(data) self.position[0] += 1 self.position[1] = len(data) return data def _readFromBuffer(self, bytes): remainingBytes = bytes rv = [] bufferIndex = self.position[0] bufferOffset = self.position[1] while bufferIndex < len(self.buffer) and remainingBytes != 0: assert remainingBytes > 0 bufferedData = self.buffer[bufferIndex] if remainingBytes <= len(bufferedData) - bufferOffset: bytesToRead = remainingBytes self.position = [bufferIndex, bufferOffset + bytesToRead] else: bytesToRead = len(bufferedData) - bufferOffset self.position = [bufferIndex, len(bufferedData)] bufferIndex += 1 rv.append(bufferedData[bufferOffset:bufferOffset + bytesToRead]) remainingBytes -= bytesToRead bufferOffset = 0 if remainingBytes: rv.append(self._readStream(remainingBytes)) return b"".join(rv) def HTMLInputStream(source, **kwargs): # Work around Python bug #20007: read(0) closes the connection. # http://bugs.python.org/issue20007 if (isinstance(source, http_client.HTTPResponse) or # Also check for addinfourl wrapping HTTPResponse (isinstance(source, urllib.response.addbase) and isinstance(source.fp, http_client.HTTPResponse))): isUnicode = False elif hasattr(source, "read"): isUnicode = isinstance(source.read(0), text_type) else: isUnicode = isinstance(source, text_type) if isUnicode: encodings = [x for x in kwargs if x.endswith("_encoding")] if encodings: raise TypeError("Cannot set an encoding with a unicode input, set %r" % encodings) return HTMLUnicodeInputStream(source, **kwargs) else: return HTMLBinaryInputStream(source, **kwargs) class HTMLUnicodeInputStream(object): """Provides a unicode stream of characters to the HTMLTokenizer. This class takes care of character encoding and removing or replacing incorrect byte-sequences and also provides column and line tracking. """ _defaultChunkSize = 10240 def __init__(self, source): """Initialises the HTMLInputStream. HTMLInputStream(source, [encoding]) -> Normalized stream from source for use by html5lib. source can be either a file-object, local filename or a string. The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element) """ if not _utils.supports_lone_surrogates: # Such platforms will have already checked for such # surrogate errors, so no need to do this checking. self.reportCharacterErrors = None elif len("\U0010FFFF") == 1: self.reportCharacterErrors = self.characterErrorsUCS4 else: self.reportCharacterErrors = self.characterErrorsUCS2 # List of where new lines occur self.newLines = [0] self.charEncoding = (lookupEncoding("utf-8"), "certain") self.dataStream = self.openStream(source) self.reset() def reset(self): self.chunk = "" self.chunkSize = 0 self.chunkOffset = 0 self.errors = [] # number of (complete) lines in previous chunks self.prevNumLines = 0 # number of columns in the last line of the previous chunk self.prevNumCols = 0 # Deal with CR LF and surrogates split over chunk boundaries self._bufferedCharacter = None def openStream(self, source): """Produces a file object from source. source can be either a file object, local filename or a string. """ # Already a file object if hasattr(source, 'read'): stream = source else: stream = StringIO(source) return stream def _position(self, offset): chunk = self.chunk nLines = chunk.count('\n', 0, offset) positionLine = self.prevNumLines + nLines lastLinePos = chunk.rfind('\n', 0, offset) if lastLinePos == -1: positionColumn = self.prevNumCols + offset else: positionColumn = offset - (lastLinePos + 1) return (positionLine, positionColumn) def position(self): """Returns (line, col) of the current position in the stream.""" line, col = self._position(self.chunkOffset) return (line + 1, col) def char(self): """ Read one character from the stream or queue if available. Return EOF when EOF is reached. """ # Read a new chunk from the input stream if necessary if self.chunkOffset >= self.chunkSize: if not self.readChunk(): return EOF chunkOffset = self.chunkOffset char = self.chunk[chunkOffset] self.chunkOffset = chunkOffset + 1 return char def readChunk(self, chunkSize=None): if chunkSize is None: chunkSize = self._defaultChunkSize self.prevNumLines, self.prevNumCols = self._position(self.chunkSize) self.chunk = "" self.chunkSize = 0 self.chunkOffset = 0 data = self.dataStream.read(chunkSize) # Deal with CR LF and surrogates broken across chunks if self._bufferedCharacter: data = self._bufferedCharacter + data self._bufferedCharacter = None elif not data: # We have no more data, bye-bye stream return False if len(data) > 1: lastv = ord(data[-1]) if lastv == 0x0D or 0xD800 <= lastv <= 0xDBFF: self._bufferedCharacter = data[-1] data = data[:-1] if self.reportCharacterErrors: self.reportCharacterErrors(data) # Replace invalid characters data = data.replace("\r\n", "\n") data = data.replace("\r", "\n") self.chunk = data self.chunkSize = len(data) return True def characterErrorsUCS4(self, data): for _ in range(len(invalid_unicode_re.findall(data))): self.errors.append("invalid-codepoint") def characterErrorsUCS2(self, data): # Someone picked the wrong compile option # You lose skip = False for match in invalid_unicode_re.finditer(data): if skip: continue codepoint = ord(match.group()) pos = match.start() # Pretty sure there should be endianness issues here if _utils.isSurrogatePair(data[pos:pos + 2]): # We have a surrogate pair! char_val = _utils.surrogatePairToCodepoint(data[pos:pos + 2]) if char_val in non_bmp_invalid_codepoints: self.errors.append("invalid-codepoint") skip = True elif (codepoint >= 0xD800 and codepoint <= 0xDFFF and pos == len(data) - 1): self.errors.append("invalid-codepoint") else: skip = False self.errors.append("invalid-codepoint") def charsUntil(self, characters, opposite=False): """ Returns a string of characters from the stream up to but not including any character in 'characters' or EOF. 'characters' must be a container that supports the 'in' method and iteration over its characters. """ # Use a cache of regexps to find the required characters try: chars = charsUntilRegEx[(characters, opposite)] except KeyError: if __debug__: for c in characters: assert(ord(c) < 128) regex = "".join(["\\x%02x" % ord(c) for c in characters]) if not opposite: regex = "^%s" % regex chars = charsUntilRegEx[(characters, opposite)] = re.compile("[%s]+" % regex) rv = [] while True: # Find the longest matching prefix m = chars.match(self.chunk, self.chunkOffset) if m is None: # If nothing matched, and it wasn't because we ran out of chunk, # then stop if self.chunkOffset != self.chunkSize: break else: end = m.end() # If not the whole chunk matched, return everything # up to the part that didn't match if end != self.chunkSize: rv.append(self.chunk[self.chunkOffset:end]) self.chunkOffset = end break # If the whole remainder of the chunk matched, # use it all and read the next chunk rv.append(self.chunk[self.chunkOffset:]) if not self.readChunk(): # Reached EOF break r = "".join(rv) return r def unget(self, char): # Only one character is allowed to be ungotten at once - it must # be consumed again before any further call to unget if char is not EOF: if self.chunkOffset == 0: # unget is called quite rarely, so it's a good idea to do # more work here if it saves a bit of work in the frequently # called char and charsUntil. # So, just prepend the ungotten character onto the current # chunk: self.chunk = char + self.chunk self.chunkSize += 1 else: self.chunkOffset -= 1 assert self.chunk[self.chunkOffset] == char class HTMLBinaryInputStream(HTMLUnicodeInputStream): """Provides a unicode stream of characters to the HTMLTokenizer. This class takes care of character encoding and removing or replacing incorrect byte-sequences and also provides column and line tracking. """ def __init__(self, source, override_encoding=None, transport_encoding=None, same_origin_parent_encoding=None, likely_encoding=None, default_encoding="windows-1252", useChardet=True): """Initialises the HTMLInputStream. HTMLInputStream(source, [encoding]) -> Normalized stream from source for use by html5lib. source can be either a file-object, local filename or a string. The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element) """ # Raw Stream - for unicode objects this will encode to utf-8 and set # self.charEncoding as appropriate self.rawStream = self.openStream(source) HTMLUnicodeInputStream.__init__(self, self.rawStream) # Encoding Information # Number of bytes to use when looking for a meta element with # encoding information self.numBytesMeta = 1024 # Number of bytes to use when using detecting encoding using chardet self.numBytesChardet = 100 # Things from args self.override_encoding = override_encoding self.transport_encoding = transport_encoding self.same_origin_parent_encoding = same_origin_parent_encoding self.likely_encoding = likely_encoding self.default_encoding = default_encoding # Determine encoding self.charEncoding = self.determineEncoding(useChardet) assert self.charEncoding[0] is not None # Call superclass self.reset() def reset(self): self.dataStream = self.charEncoding[0].codec_info.streamreader(self.rawStream, 'replace') HTMLUnicodeInputStream.reset(self) def openStream(self, source): """Produces a file object from source. source can be either a file object, local filename or a string. """ # Already a file object if hasattr(source, 'read'): stream = source else: stream = BytesIO(source) try: stream.seek(stream.tell()) except Exception: stream = BufferedStream(stream) return stream def determineEncoding(self, chardet=True): # BOMs take precedence over everything # This will also read past the BOM if present charEncoding = self.detectBOM(), "certain" if charEncoding[0] is not None: return charEncoding # If we've been overridden, we've been overridden charEncoding = lookupEncoding(self.override_encoding), "certain" if charEncoding[0] is not None: return charEncoding # Now check the transport layer charEncoding = lookupEncoding(self.transport_encoding), "certain" if charEncoding[0] is not None: return charEncoding # Look for meta elements with encoding information charEncoding = self.detectEncodingMeta(), "tentative" if charEncoding[0] is not None: return charEncoding # Parent document encoding charEncoding = lookupEncoding(self.same_origin_parent_encoding), "tentative" if charEncoding[0] is not None and not charEncoding[0].name.startswith("utf-16"): return charEncoding # "likely" encoding charEncoding = lookupEncoding(self.likely_encoding), "tentative" if charEncoding[0] is not None: return charEncoding # Guess with chardet, if available if chardet: try: from pip._vendor.chardet.universaldetector import UniversalDetector except ImportError: pass else: buffers = [] detector = UniversalDetector() while not detector.done: buffer = self.rawStream.read(self.numBytesChardet) assert isinstance(buffer, bytes) if not buffer: break buffers.append(buffer) detector.feed(buffer) detector.close() encoding = lookupEncoding(detector.result['encoding']) self.rawStream.seek(0) if encoding is not None: return encoding, "tentative" # Try the default encoding charEncoding = lookupEncoding(self.default_encoding), "tentative" if charEncoding[0] is not None: return charEncoding # Fallback to html5lib's default if even that hasn't worked return lookupEncoding("windows-1252"), "tentative" def changeEncoding(self, newEncoding): assert self.charEncoding[1] != "certain" newEncoding = lookupEncoding(newEncoding) if newEncoding is None: return if newEncoding.name in ("utf-16be", "utf-16le"): newEncoding = lookupEncoding("utf-8") assert newEncoding is not None elif newEncoding == self.charEncoding[0]: self.charEncoding = (self.charEncoding[0], "certain") else: self.rawStream.seek(0) self.charEncoding = (newEncoding, "certain") self.reset() raise _ReparseException("Encoding changed from %s to %s" % (self.charEncoding[0], newEncoding)) def detectBOM(self): """Attempts to detect at BOM at the start of the stream. If an encoding can be determined from the BOM return the name of the encoding otherwise return None""" bomDict = { codecs.BOM_UTF8: 'utf-8', codecs.BOM_UTF16_LE: 'utf-16le', codecs.BOM_UTF16_BE: 'utf-16be', codecs.BOM_UTF32_LE: 'utf-32le', codecs.BOM_UTF32_BE: 'utf-32be' } # Go to beginning of file and read in 4 bytes string = self.rawStream.read(4) assert isinstance(string, bytes) # Try detecting the BOM using bytes from the string encoding = bomDict.get(string[:3]) # UTF-8 seek = 3 if not encoding: # Need to detect UTF-32 before UTF-16 encoding = bomDict.get(string) # UTF-32 seek = 4 if not encoding: encoding = bomDict.get(string[:2]) # UTF-16 seek = 2 # Set the read position past the BOM if one was found, otherwise # set it to the start of the stream if encoding: self.rawStream.seek(seek) return lookupEncoding(encoding) else: self.rawStream.seek(0) return None def detectEncodingMeta(self): """Report the encoding declared by the meta element """ buffer = self.rawStream.read(self.numBytesMeta) assert isinstance(buffer, bytes) parser = EncodingParser(buffer) self.rawStream.seek(0) encoding = parser.getEncoding() if encoding is not None and encoding.name in ("utf-16be", "utf-16le"): encoding = lookupEncoding("utf-8") return encoding class EncodingBytes(bytes): """String-like object with an associated position and various extra methods If the position is ever greater than the string length then an exception is raised""" def __new__(self, value): assert isinstance(value, bytes) return bytes.__new__(self, value.lower()) def __init__(self, value): # pylint:disable=unused-argument self._position = -1 def __iter__(self): return self def __next__(self): p = self._position = self._position + 1 if p >= len(self): raise StopIteration elif p < 0: raise TypeError return self[p:p + 1] def next(self): # Py2 compat return self.__next__() def previous(self): p = self._position if p >= len(self): raise StopIteration elif p < 0: raise TypeError self._position = p = p - 1 return self[p:p + 1] def setPosition(self, position): if self._position >= len(self): raise StopIteration self._position = position def getPosition(self): if self._position >= len(self): raise StopIteration if self._position >= 0: return self._position else: return None position = property(getPosition, setPosition) def getCurrentByte(self): return self[self.position:self.position + 1] currentByte = property(getCurrentByte) def skip(self, chars=spaceCharactersBytes): """Skip past a list of characters""" p = self.position # use property for the error-checking while p < len(self): c = self[p:p + 1] if c not in chars: self._position = p return c p += 1 self._position = p return None def skipUntil(self, chars): p = self.position while p < len(self): c = self[p:p + 1] if c in chars: self._position = p return c p += 1 self._position = p return None def matchBytes(self, bytes): """Look for a sequence of bytes at the start of a string. If the bytes are found return True and advance the position to the byte after the match. Otherwise return False and leave the position alone""" rv = self.startswith(bytes, self.position) if rv: self.position += len(bytes) return rv def jumpTo(self, bytes): """Look for the next sequence of bytes matching a given sequence. If a match is found advance the position to the last byte of the match""" try: self._position = self.index(bytes, self.position) + len(bytes) - 1 except ValueError: raise StopIteration return True class EncodingParser(object): """Mini parser for detecting character encoding from meta elements""" def __init__(self, data): """string - the data to work on for encoding detection""" self.data = EncodingBytes(data) self.encoding = None def getEncoding(self): if b"<meta" not in self.data: return None methodDispatch = ( (b"<!--", self.handleComment), (b"<meta", self.handleMeta), (b"</", self.handlePossibleEndTag), (b"<!", self.handleOther), (b"<?", self.handleOther), (b"<", self.handlePossibleStartTag)) for _ in self.data: keepParsing = True try: self.data.jumpTo(b"<") except StopIteration: break for key, method in methodDispatch: if self.data.matchBytes(key): try: keepParsing = method() break except StopIteration: keepParsing = False break if not keepParsing: break return self.encoding def handleComment(self): """Skip over comments""" return self.data.jumpTo(b"-->") def handleMeta(self): if self.data.currentByte not in spaceCharactersBytes: # if we have <meta not followed by a space so just keep going return True # We have a valid meta element we want to search for attributes hasPragma = False pendingEncoding = None while True: # Try to find the next attribute after the current position attr = self.getAttribute() if attr is None: return True else: if attr[0] == b"http-equiv": hasPragma = attr[1] == b"content-type" if hasPragma and pendingEncoding is not None: self.encoding = pendingEncoding return False elif attr[0] == b"charset": tentativeEncoding = attr[1] codec = lookupEncoding(tentativeEncoding) if codec is not None: self.encoding = codec return False elif attr[0] == b"content": contentParser = ContentAttrParser(EncodingBytes(attr[1])) tentativeEncoding = contentParser.parse() if tentativeEncoding is not None: codec = lookupEncoding(tentativeEncoding) if codec is not None: if hasPragma: self.encoding = codec return False else: pendingEncoding = codec def handlePossibleStartTag(self): return self.handlePossibleTag(False) def handlePossibleEndTag(self): next(self.data) return self.handlePossibleTag(True) def handlePossibleTag(self, endTag): data = self.data if data.currentByte not in asciiLettersBytes: # If the next byte is not an ascii letter either ignore this # fragment (possible start tag case) or treat it according to # handleOther if endTag: data.previous() self.handleOther() return True c = data.skipUntil(spacesAngleBrackets) if c == b"<": # return to the first step in the overall "two step" algorithm # reprocessing the < byte data.previous() else: # Read all attributes attr = self.getAttribute() while attr is not None: attr = self.getAttribute() return True def handleOther(self): return self.data.jumpTo(b">") def getAttribute(self): """Return a name,value pair for the next attribute in the stream, if one is found, or None""" data = self.data # Step 1 (skip chars) c = data.skip(spaceCharactersBytes | frozenset([b"/"])) assert c is None or len(c) == 1 # Step 2 if c in (b">", None): return None # Step 3 attrName = [] attrValue = [] # Step 4 attribute name while True: if c == b"=" and attrName: break elif c in spaceCharactersBytes: # Step 6! c = data.skip() break elif c in (b"/", b">"): return b"".join(attrName), b"" elif c in asciiUppercaseBytes: attrName.append(c.lower()) elif c is None: return None else: attrName.append(c) # Step 5 c = next(data) # Step 7 if c != b"=": data.previous() return b"".join(attrName), b"" # Step 8 next(data) # Step 9 c = data.skip() # Step 10 if c in (b"'", b'"'): # 10.1 quoteChar = c while True: # 10.2 c = next(data) # 10.3 if c == quoteChar: next(data) return b"".join(attrName), b"".join(attrValue) # 10.4 elif c in asciiUppercaseBytes: attrValue.append(c.lower()) # 10.5 else: attrValue.append(c) elif c == b">": return b"".join(attrName), b"" elif c in asciiUppercaseBytes: attrValue.append(c.lower()) elif c is None: return None else: attrValue.append(c) # Step 11 while True: c = next(data) if c in spacesAngleBrackets: return b"".join(attrName), b"".join(attrValue) elif c in asciiUppercaseBytes: attrValue.append(c.lower()) elif c is None: return None else: attrValue.append(c) class ContentAttrParser(object): def __init__(self, data): assert isinstance(data, bytes) self.data = data def parse(self): try: # Check if the attr name is charset # otherwise return self.data.jumpTo(b"charset") self.data.position += 1 self.data.skip() if not self.data.currentByte == b"=": # If there is no = sign keep looking for attrs return None self.data.position += 1 self.data.skip() # Look for an encoding between matching quote marks if self.data.currentByte in (b'"', b"'"): quoteMark = self.data.currentByte self.data.position += 1 oldPosition = self.data.position if self.data.jumpTo(quoteMark): return self.data[oldPosition:self.data.position] else: return None else: # Unquoted value oldPosition = self.data.position try: self.data.skipUntil(spaceCharactersBytes) return self.data[oldPosition:self.data.position] except StopIteration: # Return the whole remaining value return self.data[oldPosition:] except StopIteration: return None def lookupEncoding(encoding): """Return the python codec name corresponding to an encoding or None if the string doesn't correspond to a valid encoding.""" if isinstance(encoding, bytes): try: encoding = encoding.decode("ascii") except UnicodeDecodeError: return None if encoding is not None: try: return webencodings.lookup(encoding) except AttributeError: return None else: return None _vendor/html5lib/_tokenizer.py 0000644 00000226360 15114542003 0012447 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import unichr as chr from collections import deque, OrderedDict from sys import version_info from .constants import spaceCharacters from .constants import entities from .constants import asciiLetters, asciiUpper2Lower from .constants import digits, hexDigits, EOF from .constants import tokenTypes, tagTokenTypes from .constants import replacementCharacters from ._inputstream import HTMLInputStream from ._trie import Trie entitiesTrie = Trie(entities) if version_info >= (3, 7): attributeMap = dict else: attributeMap = OrderedDict class HTMLTokenizer(object): """ This class takes care of tokenizing HTML. * self.currentToken Holds the token that is currently being processed. * self.state Holds a reference to the method to be invoked... XXX * self.stream Points to HTMLInputStream object. """ def __init__(self, stream, parser=None, **kwargs): self.stream = HTMLInputStream(stream, **kwargs) self.parser = parser # Setup the initial tokenizer state self.escapeFlag = False self.lastFourChars = [] self.state = self.dataState self.escape = False # The current token being created self.currentToken = None super(HTMLTokenizer, self).__init__() def __iter__(self): """ This is where the magic happens. We do our usually processing through the states and when we have a token to return we yield the token which pauses processing until the next token is requested. """ self.tokenQueue = deque([]) # Start processing. When EOF is reached self.state will return False # instead of True and the loop will terminate. while self.state(): while self.stream.errors: yield {"type": tokenTypes["ParseError"], "data": self.stream.errors.pop(0)} while self.tokenQueue: yield self.tokenQueue.popleft() def consumeNumberEntity(self, isHex): """This function returns either U+FFFD or the character based on the decimal or hexadecimal representation. It also discards ";" if present. If not present self.tokenQueue.append({"type": tokenTypes["ParseError"]}) is invoked. """ allowed = digits radix = 10 if isHex: allowed = hexDigits radix = 16 charStack = [] # Consume all the characters that are in range while making sure we # don't hit an EOF. c = self.stream.char() while c in allowed and c is not EOF: charStack.append(c) c = self.stream.char() # Convert the set of characters consumed to an int. charAsInt = int("".join(charStack), radix) # Certain characters get replaced with others if charAsInt in replacementCharacters: char = replacementCharacters[charAsInt] self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "illegal-codepoint-for-numeric-entity", "datavars": {"charAsInt": charAsInt}}) elif ((0xD800 <= charAsInt <= 0xDFFF) or (charAsInt > 0x10FFFF)): char = "\uFFFD" self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "illegal-codepoint-for-numeric-entity", "datavars": {"charAsInt": charAsInt}}) else: # Should speed up this check somehow (e.g. move the set to a constant) if ((0x0001 <= charAsInt <= 0x0008) or (0x000E <= charAsInt <= 0x001F) or (0x007F <= charAsInt <= 0x009F) or (0xFDD0 <= charAsInt <= 0xFDEF) or charAsInt in frozenset([0x000B, 0xFFFE, 0xFFFF, 0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, 0x10FFFE, 0x10FFFF])): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "illegal-codepoint-for-numeric-entity", "datavars": {"charAsInt": charAsInt}}) try: # Try/except needed as UCS-2 Python builds' unichar only works # within the BMP. char = chr(charAsInt) except ValueError: v = charAsInt - 0x10000 char = chr(0xD800 | (v >> 10)) + chr(0xDC00 | (v & 0x3FF)) # Discard the ; if present. Otherwise, put it back on the queue and # invoke parseError on parser. if c != ";": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "numeric-entity-without-semicolon"}) self.stream.unget(c) return char def consumeEntity(self, allowedChar=None, fromAttribute=False): # Initialise to the default output for when no entity is matched output = "&" charStack = [self.stream.char()] if (charStack[0] in spaceCharacters or charStack[0] in (EOF, "<", "&") or (allowedChar is not None and allowedChar == charStack[0])): self.stream.unget(charStack[0]) elif charStack[0] == "#": # Read the next character to see if it's hex or decimal hex = False charStack.append(self.stream.char()) if charStack[-1] in ("x", "X"): hex = True charStack.append(self.stream.char()) # charStack[-1] should be the first digit if (hex and charStack[-1] in hexDigits) \ or (not hex and charStack[-1] in digits): # At least one digit found, so consume the whole number self.stream.unget(charStack[-1]) output = self.consumeNumberEntity(hex) else: # No digits found self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-numeric-entity"}) self.stream.unget(charStack.pop()) output = "&" + "".join(charStack) else: # At this point in the process might have named entity. Entities # are stored in the global variable "entities". # # Consume characters and compare to these to a substring of the # entity names in the list until the substring no longer matches. while (charStack[-1] is not EOF): if not entitiesTrie.has_keys_with_prefix("".join(charStack)): break charStack.append(self.stream.char()) # At this point we have a string that starts with some characters # that may match an entity # Try to find the longest entity the string will match to take care # of ¬i for instance. try: entityName = entitiesTrie.longest_prefix("".join(charStack[:-1])) entityLength = len(entityName) except KeyError: entityName = None if entityName is not None: if entityName[-1] != ";": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "named-entity-without-semicolon"}) if (entityName[-1] != ";" and fromAttribute and (charStack[entityLength] in asciiLetters or charStack[entityLength] in digits or charStack[entityLength] == "=")): self.stream.unget(charStack.pop()) output = "&" + "".join(charStack) else: output = entities[entityName] self.stream.unget(charStack.pop()) output += "".join(charStack[entityLength:]) else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-named-entity"}) self.stream.unget(charStack.pop()) output = "&" + "".join(charStack) if fromAttribute: self.currentToken["data"][-1][1] += output else: if output in spaceCharacters: tokenType = "SpaceCharacters" else: tokenType = "Characters" self.tokenQueue.append({"type": tokenTypes[tokenType], "data": output}) def processEntityInAttribute(self, allowedChar): """This method replaces the need for "entityInAttributeValueState". """ self.consumeEntity(allowedChar=allowedChar, fromAttribute=True) def emitCurrentToken(self): """This method is a generic handler for emitting the tags. It also sets the state to "data" because that's what's needed after a token has been emitted. """ token = self.currentToken # Add token to the queue to be yielded if (token["type"] in tagTokenTypes): token["name"] = token["name"].translate(asciiUpper2Lower) if token["type"] == tokenTypes["StartTag"]: raw = token["data"] data = attributeMap(raw) if len(raw) > len(data): # we had some duplicated attribute, fix so first wins data.update(raw[::-1]) token["data"] = data if token["type"] == tokenTypes["EndTag"]: if token["data"]: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "attributes-in-end-tag"}) if token["selfClosing"]: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "self-closing-flag-on-end-tag"}) self.tokenQueue.append(token) self.state = self.dataState # Below are the various tokenizer states worked out. def dataState(self): data = self.stream.char() if data == "&": self.state = self.entityDataState elif data == "<": self.state = self.tagOpenState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\u0000"}) elif data is EOF: # Tokenization ends. return False elif data in spaceCharacters: # Directly after emitting a token you switch back to the "data # state". At that point spaceCharacters are important so they are # emitted separately. self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data": data + self.stream.charsUntil(spaceCharacters, True)}) # No need to update lastFourChars here, since the first space will # have already been appended to lastFourChars and will have broken # any <!-- or --> sequences else: chars = self.stream.charsUntil(("&", "<", "\u0000")) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + chars}) return True def entityDataState(self): self.consumeEntity() self.state = self.dataState return True def rcdataState(self): data = self.stream.char() if data == "&": self.state = self.characterReferenceInRcdata elif data == "<": self.state = self.rcdataLessThanSignState elif data == EOF: # Tokenization ends. return False elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) elif data in spaceCharacters: # Directly after emitting a token you switch back to the "data # state". At that point spaceCharacters are important so they are # emitted separately. self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data": data + self.stream.charsUntil(spaceCharacters, True)}) # No need to update lastFourChars here, since the first space will # have already been appended to lastFourChars and will have broken # any <!-- or --> sequences else: chars = self.stream.charsUntil(("&", "<", "\u0000")) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + chars}) return True def characterReferenceInRcdata(self): self.consumeEntity() self.state = self.rcdataState return True def rawtextState(self): data = self.stream.char() if data == "<": self.state = self.rawtextLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) elif data == EOF: # Tokenization ends. return False else: chars = self.stream.charsUntil(("<", "\u0000")) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + chars}) return True def scriptDataState(self): data = self.stream.char() if data == "<": self.state = self.scriptDataLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) elif data == EOF: # Tokenization ends. return False else: chars = self.stream.charsUntil(("<", "\u0000")) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + chars}) return True def plaintextState(self): data = self.stream.char() if data == EOF: # Tokenization ends. return False elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + self.stream.charsUntil("\u0000")}) return True def tagOpenState(self): data = self.stream.char() if data == "!": self.state = self.markupDeclarationOpenState elif data == "/": self.state = self.closeTagOpenState elif data in asciiLetters: self.currentToken = {"type": tokenTypes["StartTag"], "name": data, "data": [], "selfClosing": False, "selfClosingAcknowledged": False} self.state = self.tagNameState elif data == ">": # XXX In theory it could be something besides a tag name. But # do we really care? self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-tag-name-but-got-right-bracket"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<>"}) self.state = self.dataState elif data == "?": # XXX In theory it could be something besides a tag name. But # do we really care? self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-tag-name-but-got-question-mark"}) self.stream.unget(data) self.state = self.bogusCommentState else: # XXX self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-tag-name"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.stream.unget(data) self.state = self.dataState return True def closeTagOpenState(self): data = self.stream.char() if data in asciiLetters: self.currentToken = {"type": tokenTypes["EndTag"], "name": data, "data": [], "selfClosing": False} self.state = self.tagNameState elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-closing-tag-but-got-right-bracket"}) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-closing-tag-but-got-eof"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) self.state = self.dataState else: # XXX data can be _'_... self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-closing-tag-but-got-char", "datavars": {"data": data}}) self.stream.unget(data) self.state = self.bogusCommentState return True def tagNameState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeAttributeNameState elif data == ">": self.emitCurrentToken() elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-tag-name"}) self.state = self.dataState elif data == "/": self.state = self.selfClosingStartTagState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["name"] += "\uFFFD" else: self.currentToken["name"] += data # (Don't use charsUntil here, because tag names are # very short and it's faster to not do anything fancy) return True def rcdataLessThanSignState(self): data = self.stream.char() if data == "/": self.temporaryBuffer = "" self.state = self.rcdataEndTagOpenState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.stream.unget(data) self.state = self.rcdataState return True def rcdataEndTagOpenState(self): data = self.stream.char() if data in asciiLetters: self.temporaryBuffer += data self.state = self.rcdataEndTagNameState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) self.stream.unget(data) self.state = self.rcdataState return True def rcdataEndTagNameState(self): appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() data = self.stream.char() if data in spaceCharacters and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.beforeAttributeNameState elif data == "/" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.selfClosingStartTagState elif data == ">" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.emitCurrentToken() self.state = self.dataState elif data in asciiLetters: self.temporaryBuffer += data else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</" + self.temporaryBuffer}) self.stream.unget(data) self.state = self.rcdataState return True def rawtextLessThanSignState(self): data = self.stream.char() if data == "/": self.temporaryBuffer = "" self.state = self.rawtextEndTagOpenState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.stream.unget(data) self.state = self.rawtextState return True def rawtextEndTagOpenState(self): data = self.stream.char() if data in asciiLetters: self.temporaryBuffer += data self.state = self.rawtextEndTagNameState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) self.stream.unget(data) self.state = self.rawtextState return True def rawtextEndTagNameState(self): appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() data = self.stream.char() if data in spaceCharacters and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.beforeAttributeNameState elif data == "/" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.selfClosingStartTagState elif data == ">" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.emitCurrentToken() self.state = self.dataState elif data in asciiLetters: self.temporaryBuffer += data else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</" + self.temporaryBuffer}) self.stream.unget(data) self.state = self.rawtextState return True def scriptDataLessThanSignState(self): data = self.stream.char() if data == "/": self.temporaryBuffer = "" self.state = self.scriptDataEndTagOpenState elif data == "!": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<!"}) self.state = self.scriptDataEscapeStartState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.stream.unget(data) self.state = self.scriptDataState return True def scriptDataEndTagOpenState(self): data = self.stream.char() if data in asciiLetters: self.temporaryBuffer += data self.state = self.scriptDataEndTagNameState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) self.stream.unget(data) self.state = self.scriptDataState return True def scriptDataEndTagNameState(self): appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() data = self.stream.char() if data in spaceCharacters and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.beforeAttributeNameState elif data == "/" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.selfClosingStartTagState elif data == ">" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.emitCurrentToken() self.state = self.dataState elif data in asciiLetters: self.temporaryBuffer += data else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</" + self.temporaryBuffer}) self.stream.unget(data) self.state = self.scriptDataState return True def scriptDataEscapeStartState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataEscapeStartDashState else: self.stream.unget(data) self.state = self.scriptDataState return True def scriptDataEscapeStartDashState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataEscapedDashDashState else: self.stream.unget(data) self.state = self.scriptDataState return True def scriptDataEscapedState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataEscapedDashState elif data == "<": self.state = self.scriptDataEscapedLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) elif data == EOF: self.state = self.dataState else: chars = self.stream.charsUntil(("<", "-", "\u0000")) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data + chars}) return True def scriptDataEscapedDashState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataEscapedDashDashState elif data == "<": self.state = self.scriptDataEscapedLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) self.state = self.scriptDataEscapedState elif data == EOF: self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.state = self.scriptDataEscapedState return True def scriptDataEscapedDashDashState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) elif data == "<": self.state = self.scriptDataEscapedLessThanSignState elif data == ">": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"}) self.state = self.scriptDataState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) self.state = self.scriptDataEscapedState elif data == EOF: self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.state = self.scriptDataEscapedState return True def scriptDataEscapedLessThanSignState(self): data = self.stream.char() if data == "/": self.temporaryBuffer = "" self.state = self.scriptDataEscapedEndTagOpenState elif data in asciiLetters: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<" + data}) self.temporaryBuffer = data self.state = self.scriptDataDoubleEscapeStartState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.stream.unget(data) self.state = self.scriptDataEscapedState return True def scriptDataEscapedEndTagOpenState(self): data = self.stream.char() if data in asciiLetters: self.temporaryBuffer = data self.state = self.scriptDataEscapedEndTagNameState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"}) self.stream.unget(data) self.state = self.scriptDataEscapedState return True def scriptDataEscapedEndTagNameState(self): appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower() data = self.stream.char() if data in spaceCharacters and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.beforeAttributeNameState elif data == "/" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.state = self.selfClosingStartTagState elif data == ">" and appropriate: self.currentToken = {"type": tokenTypes["EndTag"], "name": self.temporaryBuffer, "data": [], "selfClosing": False} self.emitCurrentToken() self.state = self.dataState elif data in asciiLetters: self.temporaryBuffer += data else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</" + self.temporaryBuffer}) self.stream.unget(data) self.state = self.scriptDataEscapedState return True def scriptDataDoubleEscapeStartState(self): data = self.stream.char() if data in (spaceCharacters | frozenset(("/", ">"))): self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) if self.temporaryBuffer.lower() == "script": self.state = self.scriptDataDoubleEscapedState else: self.state = self.scriptDataEscapedState elif data in asciiLetters: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.temporaryBuffer += data else: self.stream.unget(data) self.state = self.scriptDataEscapedState return True def scriptDataDoubleEscapedState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataDoubleEscapedDashState elif data == "<": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.state = self.scriptDataDoubleEscapedLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) elif data == EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-script-in-script"}) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) return True def scriptDataDoubleEscapedDashState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) self.state = self.scriptDataDoubleEscapedDashDashState elif data == "<": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.state = self.scriptDataDoubleEscapedLessThanSignState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) self.state = self.scriptDataDoubleEscapedState elif data == EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-script-in-script"}) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.state = self.scriptDataDoubleEscapedState return True def scriptDataDoubleEscapedDashDashState(self): data = self.stream.char() if data == "-": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"}) elif data == "<": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"}) self.state = self.scriptDataDoubleEscapedLessThanSignState elif data == ">": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"}) self.state = self.scriptDataState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "\uFFFD"}) self.state = self.scriptDataDoubleEscapedState elif data == EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-script-in-script"}) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.state = self.scriptDataDoubleEscapedState return True def scriptDataDoubleEscapedLessThanSignState(self): data = self.stream.char() if data == "/": self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "/"}) self.temporaryBuffer = "" self.state = self.scriptDataDoubleEscapeEndState else: self.stream.unget(data) self.state = self.scriptDataDoubleEscapedState return True def scriptDataDoubleEscapeEndState(self): data = self.stream.char() if data in (spaceCharacters | frozenset(("/", ">"))): self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) if self.temporaryBuffer.lower() == "script": self.state = self.scriptDataEscapedState else: self.state = self.scriptDataDoubleEscapedState elif data in asciiLetters: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.temporaryBuffer += data else: self.stream.unget(data) self.state = self.scriptDataDoubleEscapedState return True def beforeAttributeNameState(self): data = self.stream.char() if data in spaceCharacters: self.stream.charsUntil(spaceCharacters, True) elif data in asciiLetters: self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState elif data == ">": self.emitCurrentToken() elif data == "/": self.state = self.selfClosingStartTagState elif data in ("'", '"', "=", "<"): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-character-in-attribute-name"}) self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"].append(["\uFFFD", ""]) self.state = self.attributeNameState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-attribute-name-but-got-eof"}) self.state = self.dataState else: self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState return True def attributeNameState(self): data = self.stream.char() leavingThisState = True emitToken = False if data == "=": self.state = self.beforeAttributeValueState elif data in asciiLetters: self.currentToken["data"][-1][0] += data +\ self.stream.charsUntil(asciiLetters, True) leavingThisState = False elif data == ">": # XXX If we emit here the attributes are converted to a dict # without being checked and when the code below runs we error # because data is a dict not a list emitToken = True elif data in spaceCharacters: self.state = self.afterAttributeNameState elif data == "/": self.state = self.selfClosingStartTagState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"][-1][0] += "\uFFFD" leavingThisState = False elif data in ("'", '"', "<"): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-character-in-attribute-name"}) self.currentToken["data"][-1][0] += data leavingThisState = False elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-attribute-name"}) self.state = self.dataState else: self.currentToken["data"][-1][0] += data leavingThisState = False if leavingThisState: # Attributes are not dropped at this stage. That happens when the # start tag token is emitted so values can still be safely appended # to attributes, but we do want to report the parse error in time. self.currentToken["data"][-1][0] = ( self.currentToken["data"][-1][0].translate(asciiUpper2Lower)) for name, _ in self.currentToken["data"][:-1]: if self.currentToken["data"][-1][0] == name: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "duplicate-attribute"}) break # XXX Fix for above XXX if emitToken: self.emitCurrentToken() return True def afterAttributeNameState(self): data = self.stream.char() if data in spaceCharacters: self.stream.charsUntil(spaceCharacters, True) elif data == "=": self.state = self.beforeAttributeValueState elif data == ">": self.emitCurrentToken() elif data in asciiLetters: self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState elif data == "/": self.state = self.selfClosingStartTagState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"].append(["\uFFFD", ""]) self.state = self.attributeNameState elif data in ("'", '"', "<"): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-character-after-attribute-name"}) self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-end-of-tag-but-got-eof"}) self.state = self.dataState else: self.currentToken["data"].append([data, ""]) self.state = self.attributeNameState return True def beforeAttributeValueState(self): data = self.stream.char() if data in spaceCharacters: self.stream.charsUntil(spaceCharacters, True) elif data == "\"": self.state = self.attributeValueDoubleQuotedState elif data == "&": self.state = self.attributeValueUnQuotedState self.stream.unget(data) elif data == "'": self.state = self.attributeValueSingleQuotedState elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-attribute-value-but-got-right-bracket"}) self.emitCurrentToken() elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"][-1][1] += "\uFFFD" self.state = self.attributeValueUnQuotedState elif data in ("=", "<", "`"): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "equals-in-unquoted-attribute-value"}) self.currentToken["data"][-1][1] += data self.state = self.attributeValueUnQuotedState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-attribute-value-but-got-eof"}) self.state = self.dataState else: self.currentToken["data"][-1][1] += data self.state = self.attributeValueUnQuotedState return True def attributeValueDoubleQuotedState(self): data = self.stream.char() if data == "\"": self.state = self.afterAttributeValueState elif data == "&": self.processEntityInAttribute('"') elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"][-1][1] += "\uFFFD" elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-attribute-value-double-quote"}) self.state = self.dataState else: self.currentToken["data"][-1][1] += data +\ self.stream.charsUntil(("\"", "&", "\u0000")) return True def attributeValueSingleQuotedState(self): data = self.stream.char() if data == "'": self.state = self.afterAttributeValueState elif data == "&": self.processEntityInAttribute("'") elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"][-1][1] += "\uFFFD" elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-attribute-value-single-quote"}) self.state = self.dataState else: self.currentToken["data"][-1][1] += data +\ self.stream.charsUntil(("'", "&", "\u0000")) return True def attributeValueUnQuotedState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeAttributeNameState elif data == "&": self.processEntityInAttribute(">") elif data == ">": self.emitCurrentToken() elif data in ('"', "'", "=", "<", "`"): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-character-in-unquoted-attribute-value"}) self.currentToken["data"][-1][1] += data elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"][-1][1] += "\uFFFD" elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-attribute-value-no-quotes"}) self.state = self.dataState else: self.currentToken["data"][-1][1] += data + self.stream.charsUntil( frozenset(("&", ">", '"', "'", "=", "<", "`", "\u0000")) | spaceCharacters) return True def afterAttributeValueState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeAttributeNameState elif data == ">": self.emitCurrentToken() elif data == "/": self.state = self.selfClosingStartTagState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-EOF-after-attribute-value"}) self.stream.unget(data) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-character-after-attribute-value"}) self.stream.unget(data) self.state = self.beforeAttributeNameState return True def selfClosingStartTagState(self): data = self.stream.char() if data == ">": self.currentToken["selfClosing"] = True self.emitCurrentToken() elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-EOF-after-solidus-in-tag"}) self.stream.unget(data) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-character-after-solidus-in-tag"}) self.stream.unget(data) self.state = self.beforeAttributeNameState return True def bogusCommentState(self): # Make a new comment token and give it as value all the characters # until the first > or EOF (charsUntil checks for EOF automatically) # and emit it. data = self.stream.charsUntil(">") data = data.replace("\u0000", "\uFFFD") self.tokenQueue.append( {"type": tokenTypes["Comment"], "data": data}) # Eat the character directly after the bogus comment which is either a # ">" or an EOF. self.stream.char() self.state = self.dataState return True def markupDeclarationOpenState(self): charStack = [self.stream.char()] if charStack[-1] == "-": charStack.append(self.stream.char()) if charStack[-1] == "-": self.currentToken = {"type": tokenTypes["Comment"], "data": ""} self.state = self.commentStartState return True elif charStack[-1] in ('d', 'D'): matched = True for expected in (('o', 'O'), ('c', 'C'), ('t', 'T'), ('y', 'Y'), ('p', 'P'), ('e', 'E')): charStack.append(self.stream.char()) if charStack[-1] not in expected: matched = False break if matched: self.currentToken = {"type": tokenTypes["Doctype"], "name": "", "publicId": None, "systemId": None, "correct": True} self.state = self.doctypeState return True elif (charStack[-1] == "[" and self.parser is not None and self.parser.tree.openElements and self.parser.tree.openElements[-1].namespace != self.parser.tree.defaultNamespace): matched = True for expected in ["C", "D", "A", "T", "A", "["]: charStack.append(self.stream.char()) if charStack[-1] != expected: matched = False break if matched: self.state = self.cdataSectionState return True self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-dashes-or-doctype"}) while charStack: self.stream.unget(charStack.pop()) self.state = self.bogusCommentState return True def commentStartState(self): data = self.stream.char() if data == "-": self.state = self.commentStartDashState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "incorrect-comment"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["data"] += data self.state = self.commentState return True def commentStartDashState(self): data = self.stream.char() if data == "-": self.state = self.commentEndState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "-\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "incorrect-comment"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["data"] += "-" + data self.state = self.commentState return True def commentState(self): data = self.stream.char() if data == "-": self.state = self.commentEndDashState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "\uFFFD" elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["data"] += data + \ self.stream.charsUntil(("-", "\u0000")) return True def commentEndDashState(self): data = self.stream.char() if data == "-": self.state = self.commentEndState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "-\uFFFD" self.state = self.commentState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment-end-dash"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["data"] += "-" + data self.state = self.commentState return True def commentEndState(self): data = self.stream.char() if data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "--\uFFFD" self.state = self.commentState elif data == "!": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-bang-after-double-dash-in-comment"}) self.state = self.commentEndBangState elif data == "-": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-dash-after-double-dash-in-comment"}) self.currentToken["data"] += data elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment-double-dash"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: # XXX self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-comment"}) self.currentToken["data"] += "--" + data self.state = self.commentState return True def commentEndBangState(self): data = self.stream.char() if data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == "-": self.currentToken["data"] += "--!" self.state = self.commentEndDashState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["data"] += "--!\uFFFD" self.state = self.commentState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-comment-end-bang-state"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["data"] += "--!" + data self.state = self.commentState return True def doctypeState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeDoctypeNameState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-doctype-name-but-got-eof"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "need-space-after-doctype"}) self.stream.unget(data) self.state = self.beforeDoctypeNameState return True def beforeDoctypeNameState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-doctype-name-but-got-right-bracket"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["name"] = "\uFFFD" self.state = self.doctypeNameState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-doctype-name-but-got-eof"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["name"] = data self.state = self.doctypeNameState return True def doctypeNameState(self): data = self.stream.char() if data in spaceCharacters: self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) self.state = self.afterDoctypeNameState elif data == ">": self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["name"] += "\uFFFD" self.state = self.doctypeNameState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype-name"}) self.currentToken["correct"] = False self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["name"] += data return True def afterDoctypeNameState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.currentToken["correct"] = False self.stream.unget(data) self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: if data in ("p", "P"): matched = True for expected in (("u", "U"), ("b", "B"), ("l", "L"), ("i", "I"), ("c", "C")): data = self.stream.char() if data not in expected: matched = False break if matched: self.state = self.afterDoctypePublicKeywordState return True elif data in ("s", "S"): matched = True for expected in (("y", "Y"), ("s", "S"), ("t", "T"), ("e", "E"), ("m", "M")): data = self.stream.char() if data not in expected: matched = False break if matched: self.state = self.afterDoctypeSystemKeywordState return True # All the characters read before the current 'data' will be # [a-zA-Z], so they're garbage in the bogus doctype and can be # discarded; only the latest character might be '>' or EOF # and needs to be ungetted self.stream.unget(data) self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "expected-space-or-right-bracket-in-doctype", "datavars": {"data": data}}) self.currentToken["correct"] = False self.state = self.bogusDoctypeState return True def afterDoctypePublicKeywordState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeDoctypePublicIdentifierState elif data in ("'", '"'): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.stream.unget(data) self.state = self.beforeDoctypePublicIdentifierState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.stream.unget(data) self.state = self.beforeDoctypePublicIdentifierState return True def beforeDoctypePublicIdentifierState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == "\"": self.currentToken["publicId"] = "" self.state = self.doctypePublicIdentifierDoubleQuotedState elif data == "'": self.currentToken["publicId"] = "" self.state = self.doctypePublicIdentifierSingleQuotedState elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-end-of-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["correct"] = False self.state = self.bogusDoctypeState return True def doctypePublicIdentifierDoubleQuotedState(self): data = self.stream.char() if data == "\"": self.state = self.afterDoctypePublicIdentifierState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["publicId"] += "\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-end-of-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["publicId"] += data return True def doctypePublicIdentifierSingleQuotedState(self): data = self.stream.char() if data == "'": self.state = self.afterDoctypePublicIdentifierState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["publicId"] += "\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-end-of-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["publicId"] += data return True def afterDoctypePublicIdentifierState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.betweenDoctypePublicAndSystemIdentifiersState elif data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == '"': self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierDoubleQuotedState elif data == "'": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierSingleQuotedState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["correct"] = False self.state = self.bogusDoctypeState return True def betweenDoctypePublicAndSystemIdentifiersState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data == '"': self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierDoubleQuotedState elif data == "'": self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierSingleQuotedState elif data == EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["correct"] = False self.state = self.bogusDoctypeState return True def afterDoctypeSystemKeywordState(self): data = self.stream.char() if data in spaceCharacters: self.state = self.beforeDoctypeSystemIdentifierState elif data in ("'", '"'): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.stream.unget(data) self.state = self.beforeDoctypeSystemIdentifierState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.stream.unget(data) self.state = self.beforeDoctypeSystemIdentifierState return True def beforeDoctypeSystemIdentifierState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == "\"": self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierDoubleQuotedState elif data == "'": self.currentToken["systemId"] = "" self.state = self.doctypeSystemIdentifierSingleQuotedState elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.currentToken["correct"] = False self.state = self.bogusDoctypeState return True def doctypeSystemIdentifierDoubleQuotedState(self): data = self.stream.char() if data == "\"": self.state = self.afterDoctypeSystemIdentifierState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["systemId"] += "\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-end-of-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["systemId"] += data return True def doctypeSystemIdentifierSingleQuotedState(self): data = self.stream.char() if data == "'": self.state = self.afterDoctypeSystemIdentifierState elif data == "\u0000": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) self.currentToken["systemId"] += "\uFFFD" elif data == ">": self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-end-of-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.currentToken["systemId"] += data return True def afterDoctypeSystemIdentifierState(self): data = self.stream.char() if data in spaceCharacters: pass elif data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "eof-in-doctype"}) self.currentToken["correct"] = False self.tokenQueue.append(self.currentToken) self.state = self.dataState else: self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "unexpected-char-in-doctype"}) self.state = self.bogusDoctypeState return True def bogusDoctypeState(self): data = self.stream.char() if data == ">": self.tokenQueue.append(self.currentToken) self.state = self.dataState elif data is EOF: # XXX EMIT self.stream.unget(data) self.tokenQueue.append(self.currentToken) self.state = self.dataState else: pass return True def cdataSectionState(self): data = [] while True: data.append(self.stream.charsUntil("]")) data.append(self.stream.charsUntil(">")) char = self.stream.char() if char == EOF: break else: assert char == ">" if data[-1][-2:] == "]]": data[-1] = data[-1][:-2] break else: data.append(char) data = "".join(data) # pylint:disable=redefined-variable-type # Deal with null here rather than in the parser nullCount = data.count("\u0000") if nullCount > 0: for _ in range(nullCount): self.tokenQueue.append({"type": tokenTypes["ParseError"], "data": "invalid-codepoint"}) data = data.replace("\u0000", "\uFFFD") if data: self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data}) self.state = self.dataState return True _vendor/html5lib/_utils.py 0000644 00000011503 15114542003 0011564 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from types import ModuleType try: from collections.abc import Mapping except ImportError: from collections import Mapping from pip._vendor.six import text_type, PY3 if PY3: import xml.etree.ElementTree as default_etree else: try: import xml.etree.cElementTree as default_etree except ImportError: import xml.etree.ElementTree as default_etree __all__ = ["default_etree", "MethodDispatcher", "isSurrogatePair", "surrogatePairToCodepoint", "moduleFactoryFactory", "supports_lone_surrogates"] # Platforms not supporting lone surrogates (\uD800-\uDFFF) should be # caught by the below test. In general this would be any platform # using UTF-16 as its encoding of unicode strings, such as # Jython. This is because UTF-16 itself is based on the use of such # surrogates, and there is no mechanism to further escape such # escapes. try: _x = eval('"\\uD800"') # pylint:disable=eval-used if not isinstance(_x, text_type): # We need this with u"" because of http://bugs.jython.org/issue2039 _x = eval('u"\\uD800"') # pylint:disable=eval-used assert isinstance(_x, text_type) except Exception: supports_lone_surrogates = False else: supports_lone_surrogates = True class MethodDispatcher(dict): """Dict with 2 special properties: On initiation, keys that are lists, sets or tuples are converted to multiple keys so accessing any one of the items in the original list-like object returns the matching value md = MethodDispatcher({("foo", "bar"):"baz"}) md["foo"] == "baz" A default value which can be set through the default attribute. """ def __init__(self, items=()): _dictEntries = [] for name, value in items: if isinstance(name, (list, tuple, frozenset, set)): for item in name: _dictEntries.append((item, value)) else: _dictEntries.append((name, value)) dict.__init__(self, _dictEntries) assert len(self) == len(_dictEntries) self.default = None def __getitem__(self, key): return dict.get(self, key, self.default) def __get__(self, instance, owner=None): return BoundMethodDispatcher(instance, self) class BoundMethodDispatcher(Mapping): """Wraps a MethodDispatcher, binding its return values to `instance`""" def __init__(self, instance, dispatcher): self.instance = instance self.dispatcher = dispatcher def __getitem__(self, key): # see https://docs.python.org/3/reference/datamodel.html#object.__get__ # on a function, __get__ is used to bind a function to an instance as a bound method return self.dispatcher[key].__get__(self.instance) def get(self, key, default): if key in self.dispatcher: return self[key] else: return default def __iter__(self): return iter(self.dispatcher) def __len__(self): return len(self.dispatcher) def __contains__(self, key): return key in self.dispatcher # Some utility functions to deal with weirdness around UCS2 vs UCS4 # python builds def isSurrogatePair(data): return (len(data) == 2 and ord(data[0]) >= 0xD800 and ord(data[0]) <= 0xDBFF and ord(data[1]) >= 0xDC00 and ord(data[1]) <= 0xDFFF) def surrogatePairToCodepoint(data): char_val = (0x10000 + (ord(data[0]) - 0xD800) * 0x400 + (ord(data[1]) - 0xDC00)) return char_val # Module Factory Factory (no, this isn't Java, I know) # Here to stop this being duplicated all over the place. def moduleFactoryFactory(factory): moduleCache = {} def moduleFactory(baseModule, *args, **kwargs): if isinstance(ModuleType.__name__, type("")): name = "_%s_factory" % baseModule.__name__ else: name = b"_%s_factory" % baseModule.__name__ kwargs_tuple = tuple(kwargs.items()) try: return moduleCache[name][args][kwargs_tuple] except KeyError: mod = ModuleType(name) objs = factory(baseModule, *args, **kwargs) mod.__dict__.update(objs) if "name" not in moduleCache: moduleCache[name] = {} if "args" not in moduleCache[name]: moduleCache[name][args] = {} if "kwargs" not in moduleCache[name][args]: moduleCache[name][args][kwargs_tuple] = {} moduleCache[name][args][kwargs_tuple] = mod return mod return moduleFactory def memoize(func): cache = {} def wrapped(*args, **kwargs): key = (tuple(args), tuple(kwargs.items())) if key not in cache: cache[key] = func(*args, **kwargs) return cache[key] return wrapped _vendor/html5lib/constants.py 0000644 00000243010 15114542003 0012301 0 ustar 00 from __future__ import absolute_import, division, unicode_literals import string EOF = None E = { "null-character": "Null character in input stream, replaced with U+FFFD.", "invalid-codepoint": "Invalid codepoint in stream.", "incorrectly-placed-solidus": "Solidus (/) incorrectly placed in tag.", "incorrect-cr-newline-entity": "Incorrect CR newline entity, replaced with LF.", "illegal-windows-1252-entity": "Entity used with illegal number (windows-1252 reference).", "cant-convert-numeric-entity": "Numeric entity couldn't be converted to character " "(codepoint U+%(charAsInt)08x).", "illegal-codepoint-for-numeric-entity": "Numeric entity represents an illegal codepoint: " "U+%(charAsInt)08x.", "numeric-entity-without-semicolon": "Numeric entity didn't end with ';'.", "expected-numeric-entity-but-got-eof": "Numeric entity expected. Got end of file instead.", "expected-numeric-entity": "Numeric entity expected but none found.", "named-entity-without-semicolon": "Named entity didn't end with ';'.", "expected-named-entity": "Named entity expected. Got none.", "attributes-in-end-tag": "End tag contains unexpected attributes.", 'self-closing-flag-on-end-tag': "End tag contains unexpected self-closing flag.", "expected-tag-name-but-got-right-bracket": "Expected tag name. Got '>' instead.", "expected-tag-name-but-got-question-mark": "Expected tag name. Got '?' instead. (HTML doesn't " "support processing instructions.)", "expected-tag-name": "Expected tag name. Got something else instead", "expected-closing-tag-but-got-right-bracket": "Expected closing tag. Got '>' instead. Ignoring '</>'.", "expected-closing-tag-but-got-eof": "Expected closing tag. Unexpected end of file.", "expected-closing-tag-but-got-char": "Expected closing tag. Unexpected character '%(data)s' found.", "eof-in-tag-name": "Unexpected end of file in the tag name.", "expected-attribute-name-but-got-eof": "Unexpected end of file. Expected attribute name instead.", "eof-in-attribute-name": "Unexpected end of file in attribute name.", "invalid-character-in-attribute-name": "Invalid character in attribute name", "duplicate-attribute": "Dropped duplicate attribute on tag.", "expected-end-of-tag-name-but-got-eof": "Unexpected end of file. Expected = or end of tag.", "expected-attribute-value-but-got-eof": "Unexpected end of file. Expected attribute value.", "expected-attribute-value-but-got-right-bracket": "Expected attribute value. Got '>' instead.", 'equals-in-unquoted-attribute-value': "Unexpected = in unquoted attribute", 'unexpected-character-in-unquoted-attribute-value': "Unexpected character in unquoted attribute", "invalid-character-after-attribute-name": "Unexpected character after attribute name.", "unexpected-character-after-attribute-value": "Unexpected character after attribute value.", "eof-in-attribute-value-double-quote": "Unexpected end of file in attribute value (\").", "eof-in-attribute-value-single-quote": "Unexpected end of file in attribute value (').", "eof-in-attribute-value-no-quotes": "Unexpected end of file in attribute value.", "unexpected-EOF-after-solidus-in-tag": "Unexpected end of file in tag. Expected >", "unexpected-character-after-solidus-in-tag": "Unexpected character after / in tag. Expected >", "expected-dashes-or-doctype": "Expected '--' or 'DOCTYPE'. Not found.", "unexpected-bang-after-double-dash-in-comment": "Unexpected ! after -- in comment", "unexpected-space-after-double-dash-in-comment": "Unexpected space after -- in comment", "incorrect-comment": "Incorrect comment.", "eof-in-comment": "Unexpected end of file in comment.", "eof-in-comment-end-dash": "Unexpected end of file in comment (-)", "unexpected-dash-after-double-dash-in-comment": "Unexpected '-' after '--' found in comment.", "eof-in-comment-double-dash": "Unexpected end of file in comment (--).", "eof-in-comment-end-space-state": "Unexpected end of file in comment.", "eof-in-comment-end-bang-state": "Unexpected end of file in comment.", "unexpected-char-in-comment": "Unexpected character in comment found.", "need-space-after-doctype": "No space after literal string 'DOCTYPE'.", "expected-doctype-name-but-got-right-bracket": "Unexpected > character. Expected DOCTYPE name.", "expected-doctype-name-but-got-eof": "Unexpected end of file. Expected DOCTYPE name.", "eof-in-doctype-name": "Unexpected end of file in DOCTYPE name.", "eof-in-doctype": "Unexpected end of file in DOCTYPE.", "expected-space-or-right-bracket-in-doctype": "Expected space or '>'. Got '%(data)s'", "unexpected-end-of-doctype": "Unexpected end of DOCTYPE.", "unexpected-char-in-doctype": "Unexpected character in DOCTYPE.", "eof-in-innerhtml": "XXX innerHTML EOF", "unexpected-doctype": "Unexpected DOCTYPE. Ignored.", "non-html-root": "html needs to be the first start tag.", "expected-doctype-but-got-eof": "Unexpected End of file. Expected DOCTYPE.", "unknown-doctype": "Erroneous DOCTYPE.", "expected-doctype-but-got-chars": "Unexpected non-space characters. Expected DOCTYPE.", "expected-doctype-but-got-start-tag": "Unexpected start tag (%(name)s). Expected DOCTYPE.", "expected-doctype-but-got-end-tag": "Unexpected end tag (%(name)s). Expected DOCTYPE.", "end-tag-after-implied-root": "Unexpected end tag (%(name)s) after the (implied) root element.", "expected-named-closing-tag-but-got-eof": "Unexpected end of file. Expected end tag (%(name)s).", "two-heads-are-not-better-than-one": "Unexpected start tag head in existing head. Ignored.", "unexpected-end-tag": "Unexpected end tag (%(name)s). Ignored.", "unexpected-start-tag-out-of-my-head": "Unexpected start tag (%(name)s) that can be in head. Moved.", "unexpected-start-tag": "Unexpected start tag (%(name)s).", "missing-end-tag": "Missing end tag (%(name)s).", "missing-end-tags": "Missing end tags (%(name)s).", "unexpected-start-tag-implies-end-tag": "Unexpected start tag (%(startName)s) " "implies end tag (%(endName)s).", "unexpected-start-tag-treated-as": "Unexpected start tag (%(originalName)s). Treated as %(newName)s.", "deprecated-tag": "Unexpected start tag %(name)s. Don't use it!", "unexpected-start-tag-ignored": "Unexpected start tag %(name)s. Ignored.", "expected-one-end-tag-but-got-another": "Unexpected end tag (%(gotName)s). " "Missing end tag (%(expectedName)s).", "end-tag-too-early": "End tag (%(name)s) seen too early. Expected other end tag.", "end-tag-too-early-named": "Unexpected end tag (%(gotName)s). Expected end tag (%(expectedName)s).", "end-tag-too-early-ignored": "End tag (%(name)s) seen too early. Ignored.", "adoption-agency-1.1": "End tag (%(name)s) violates step 1, " "paragraph 1 of the adoption agency algorithm.", "adoption-agency-1.2": "End tag (%(name)s) violates step 1, " "paragraph 2 of the adoption agency algorithm.", "adoption-agency-1.3": "End tag (%(name)s) violates step 1, " "paragraph 3 of the adoption agency algorithm.", "adoption-agency-4.4": "End tag (%(name)s) violates step 4, " "paragraph 4 of the adoption agency algorithm.", "unexpected-end-tag-treated-as": "Unexpected end tag (%(originalName)s). Treated as %(newName)s.", "no-end-tag": "This element (%(name)s) has no end tag.", "unexpected-implied-end-tag-in-table": "Unexpected implied end tag (%(name)s) in the table phase.", "unexpected-implied-end-tag-in-table-body": "Unexpected implied end tag (%(name)s) in the table body phase.", "unexpected-char-implies-table-voodoo": "Unexpected non-space characters in " "table context caused voodoo mode.", "unexpected-hidden-input-in-table": "Unexpected input with type hidden in table context.", "unexpected-form-in-table": "Unexpected form in table context.", "unexpected-start-tag-implies-table-voodoo": "Unexpected start tag (%(name)s) in " "table context caused voodoo mode.", "unexpected-end-tag-implies-table-voodoo": "Unexpected end tag (%(name)s) in " "table context caused voodoo mode.", "unexpected-cell-in-table-body": "Unexpected table cell start tag (%(name)s) " "in the table body phase.", "unexpected-cell-end-tag": "Got table cell end tag (%(name)s) " "while required end tags are missing.", "unexpected-end-tag-in-table-body": "Unexpected end tag (%(name)s) in the table body phase. Ignored.", "unexpected-implied-end-tag-in-table-row": "Unexpected implied end tag (%(name)s) in the table row phase.", "unexpected-end-tag-in-table-row": "Unexpected end tag (%(name)s) in the table row phase. Ignored.", "unexpected-select-in-select": "Unexpected select start tag in the select phase " "treated as select end tag.", "unexpected-input-in-select": "Unexpected input start tag in the select phase.", "unexpected-start-tag-in-select": "Unexpected start tag token (%(name)s in the select phase. " "Ignored.", "unexpected-end-tag-in-select": "Unexpected end tag (%(name)s) in the select phase. Ignored.", "unexpected-table-element-start-tag-in-select-in-table": "Unexpected table element start tag (%(name)s) in the select in table phase.", "unexpected-table-element-end-tag-in-select-in-table": "Unexpected table element end tag (%(name)s) in the select in table phase.", "unexpected-char-after-body": "Unexpected non-space characters in the after body phase.", "unexpected-start-tag-after-body": "Unexpected start tag token (%(name)s)" " in the after body phase.", "unexpected-end-tag-after-body": "Unexpected end tag token (%(name)s)" " in the after body phase.", "unexpected-char-in-frameset": "Unexpected characters in the frameset phase. Characters ignored.", "unexpected-start-tag-in-frameset": "Unexpected start tag token (%(name)s)" " in the frameset phase. Ignored.", "unexpected-frameset-in-frameset-innerhtml": "Unexpected end tag token (frameset) " "in the frameset phase (innerHTML).", "unexpected-end-tag-in-frameset": "Unexpected end tag token (%(name)s)" " in the frameset phase. Ignored.", "unexpected-char-after-frameset": "Unexpected non-space characters in the " "after frameset phase. Ignored.", "unexpected-start-tag-after-frameset": "Unexpected start tag (%(name)s)" " in the after frameset phase. Ignored.", "unexpected-end-tag-after-frameset": "Unexpected end tag (%(name)s)" " in the after frameset phase. Ignored.", "unexpected-end-tag-after-body-innerhtml": "Unexpected end tag after body(innerHtml)", "expected-eof-but-got-char": "Unexpected non-space characters. Expected end of file.", "expected-eof-but-got-start-tag": "Unexpected start tag (%(name)s)" ". Expected end of file.", "expected-eof-but-got-end-tag": "Unexpected end tag (%(name)s)" ". Expected end of file.", "eof-in-table": "Unexpected end of file. Expected table content.", "eof-in-select": "Unexpected end of file. Expected select content.", "eof-in-frameset": "Unexpected end of file. Expected frameset content.", "eof-in-script-in-script": "Unexpected end of file. Expected script content.", "eof-in-foreign-lands": "Unexpected end of file. Expected foreign content", "non-void-element-with-trailing-solidus": "Trailing solidus not allowed on element %(name)s", "unexpected-html-element-in-foreign-content": "Element %(name)s not allowed in a non-html context", "unexpected-end-tag-before-html": "Unexpected end tag (%(name)s) before html.", "unexpected-inhead-noscript-tag": "Element %(name)s not allowed in a inhead-noscript context", "eof-in-head-noscript": "Unexpected end of file. Expected inhead-noscript content", "char-in-head-noscript": "Unexpected non-space character. Expected inhead-noscript content", "XXX-undefined-error": "Undefined error (this sucks and should be fixed)", } namespaces = { "html": "http://www.w3.org/1999/xhtml", "mathml": "http://www.w3.org/1998/Math/MathML", "svg": "http://www.w3.org/2000/svg", "xlink": "http://www.w3.org/1999/xlink", "xml": "http://www.w3.org/XML/1998/namespace", "xmlns": "http://www.w3.org/2000/xmlns/" } scopingElements = frozenset([ (namespaces["html"], "applet"), (namespaces["html"], "caption"), (namespaces["html"], "html"), (namespaces["html"], "marquee"), (namespaces["html"], "object"), (namespaces["html"], "table"), (namespaces["html"], "td"), (namespaces["html"], "th"), (namespaces["mathml"], "mi"), (namespaces["mathml"], "mo"), (namespaces["mathml"], "mn"), (namespaces["mathml"], "ms"), (namespaces["mathml"], "mtext"), (namespaces["mathml"], "annotation-xml"), (namespaces["svg"], "foreignObject"), (namespaces["svg"], "desc"), (namespaces["svg"], "title"), ]) formattingElements = frozenset([ (namespaces["html"], "a"), (namespaces["html"], "b"), (namespaces["html"], "big"), (namespaces["html"], "code"), (namespaces["html"], "em"), (namespaces["html"], "font"), (namespaces["html"], "i"), (namespaces["html"], "nobr"), (namespaces["html"], "s"), (namespaces["html"], "small"), (namespaces["html"], "strike"), (namespaces["html"], "strong"), (namespaces["html"], "tt"), (namespaces["html"], "u") ]) specialElements = frozenset([ (namespaces["html"], "address"), (namespaces["html"], "applet"), (namespaces["html"], "area"), (namespaces["html"], "article"), (namespaces["html"], "aside"), (namespaces["html"], "base"), (namespaces["html"], "basefont"), (namespaces["html"], "bgsound"), (namespaces["html"], "blockquote"), (namespaces["html"], "body"), (namespaces["html"], "br"), (namespaces["html"], "button"), (namespaces["html"], "caption"), (namespaces["html"], "center"), (namespaces["html"], "col"), (namespaces["html"], "colgroup"), (namespaces["html"], "command"), (namespaces["html"], "dd"), (namespaces["html"], "details"), (namespaces["html"], "dir"), (namespaces["html"], "div"), (namespaces["html"], "dl"), (namespaces["html"], "dt"), (namespaces["html"], "embed"), (namespaces["html"], "fieldset"), (namespaces["html"], "figure"), (namespaces["html"], "footer"), (namespaces["html"], "form"), (namespaces["html"], "frame"), (namespaces["html"], "frameset"), (namespaces["html"], "h1"), (namespaces["html"], "h2"), (namespaces["html"], "h3"), (namespaces["html"], "h4"), (namespaces["html"], "h5"), (namespaces["html"], "h6"), (namespaces["html"], "head"), (namespaces["html"], "header"), (namespaces["html"], "hr"), (namespaces["html"], "html"), (namespaces["html"], "iframe"), # Note that image is commented out in the spec as "this isn't an # element that can end up on the stack, so it doesn't matter," (namespaces["html"], "image"), (namespaces["html"], "img"), (namespaces["html"], "input"), (namespaces["html"], "isindex"), (namespaces["html"], "li"), (namespaces["html"], "link"), (namespaces["html"], "listing"), (namespaces["html"], "marquee"), (namespaces["html"], "menu"), (namespaces["html"], "meta"), (namespaces["html"], "nav"), (namespaces["html"], "noembed"), (namespaces["html"], "noframes"), (namespaces["html"], "noscript"), (namespaces["html"], "object"), (namespaces["html"], "ol"), (namespaces["html"], "p"), (namespaces["html"], "param"), (namespaces["html"], "plaintext"), (namespaces["html"], "pre"), (namespaces["html"], "script"), (namespaces["html"], "section"), (namespaces["html"], "select"), (namespaces["html"], "style"), (namespaces["html"], "table"), (namespaces["html"], "tbody"), (namespaces["html"], "td"), (namespaces["html"], "textarea"), (namespaces["html"], "tfoot"), (namespaces["html"], "th"), (namespaces["html"], "thead"), (namespaces["html"], "title"), (namespaces["html"], "tr"), (namespaces["html"], "ul"), (namespaces["html"], "wbr"), (namespaces["html"], "xmp"), (namespaces["svg"], "foreignObject") ]) htmlIntegrationPointElements = frozenset([ (namespaces["mathml"], "annotation-xml"), (namespaces["svg"], "foreignObject"), (namespaces["svg"], "desc"), (namespaces["svg"], "title") ]) mathmlTextIntegrationPointElements = frozenset([ (namespaces["mathml"], "mi"), (namespaces["mathml"], "mo"), (namespaces["mathml"], "mn"), (namespaces["mathml"], "ms"), (namespaces["mathml"], "mtext") ]) adjustSVGAttributes = { "attributename": "attributeName", "attributetype": "attributeType", "basefrequency": "baseFrequency", "baseprofile": "baseProfile", "calcmode": "calcMode", "clippathunits": "clipPathUnits", "contentscripttype": "contentScriptType", "contentstyletype": "contentStyleType", "diffuseconstant": "diffuseConstant", "edgemode": "edgeMode", "externalresourcesrequired": "externalResourcesRequired", "filterres": "filterRes", "filterunits": "filterUnits", "glyphref": "glyphRef", "gradienttransform": "gradientTransform", "gradientunits": "gradientUnits", "kernelmatrix": "kernelMatrix", "kernelunitlength": "kernelUnitLength", "keypoints": "keyPoints", "keysplines": "keySplines", "keytimes": "keyTimes", "lengthadjust": "lengthAdjust", "limitingconeangle": "limitingConeAngle", "markerheight": "markerHeight", "markerunits": "markerUnits", "markerwidth": "markerWidth", "maskcontentunits": "maskContentUnits", "maskunits": "maskUnits", "numoctaves": "numOctaves", "pathlength": "pathLength", "patterncontentunits": "patternContentUnits", "patterntransform": "patternTransform", "patternunits": "patternUnits", "pointsatx": "pointsAtX", "pointsaty": "pointsAtY", "pointsatz": "pointsAtZ", "preservealpha": "preserveAlpha", "preserveaspectratio": "preserveAspectRatio", "primitiveunits": "primitiveUnits", "refx": "refX", "refy": "refY", "repeatcount": "repeatCount", "repeatdur": "repeatDur", "requiredextensions": "requiredExtensions", "requiredfeatures": "requiredFeatures", "specularconstant": "specularConstant", "specularexponent": "specularExponent", "spreadmethod": "spreadMethod", "startoffset": "startOffset", "stddeviation": "stdDeviation", "stitchtiles": "stitchTiles", "surfacescale": "surfaceScale", "systemlanguage": "systemLanguage", "tablevalues": "tableValues", "targetx": "targetX", "targety": "targetY", "textlength": "textLength", "viewbox": "viewBox", "viewtarget": "viewTarget", "xchannelselector": "xChannelSelector", "ychannelselector": "yChannelSelector", "zoomandpan": "zoomAndPan" } adjustMathMLAttributes = {"definitionurl": "definitionURL"} adjustForeignAttributes = { "xlink:actuate": ("xlink", "actuate", namespaces["xlink"]), "xlink:arcrole": ("xlink", "arcrole", namespaces["xlink"]), "xlink:href": ("xlink", "href", namespaces["xlink"]), "xlink:role": ("xlink", "role", namespaces["xlink"]), "xlink:show": ("xlink", "show", namespaces["xlink"]), "xlink:title": ("xlink", "title", namespaces["xlink"]), "xlink:type": ("xlink", "type", namespaces["xlink"]), "xml:base": ("xml", "base", namespaces["xml"]), "xml:lang": ("xml", "lang", namespaces["xml"]), "xml:space": ("xml", "space", namespaces["xml"]), "xmlns": (None, "xmlns", namespaces["xmlns"]), "xmlns:xlink": ("xmlns", "xlink", namespaces["xmlns"]) } unadjustForeignAttributes = {(ns, local): qname for qname, (prefix, local, ns) in adjustForeignAttributes.items()} spaceCharacters = frozenset([ "\t", "\n", "\u000C", " ", "\r" ]) tableInsertModeElements = frozenset([ "table", "tbody", "tfoot", "thead", "tr" ]) asciiLowercase = frozenset(string.ascii_lowercase) asciiUppercase = frozenset(string.ascii_uppercase) asciiLetters = frozenset(string.ascii_letters) digits = frozenset(string.digits) hexDigits = frozenset(string.hexdigits) asciiUpper2Lower = {ord(c): ord(c.lower()) for c in string.ascii_uppercase} # Heading elements need to be ordered headingElements = ( "h1", "h2", "h3", "h4", "h5", "h6" ) voidElements = frozenset([ "base", "command", "event-source", "link", "meta", "hr", "br", "img", "embed", "param", "area", "col", "input", "source", "track" ]) cdataElements = frozenset(['title', 'textarea']) rcdataElements = frozenset([ 'style', 'script', 'xmp', 'iframe', 'noembed', 'noframes', 'noscript' ]) booleanAttributes = { "": frozenset(["irrelevant", "itemscope"]), "style": frozenset(["scoped"]), "img": frozenset(["ismap"]), "audio": frozenset(["autoplay", "controls"]), "video": frozenset(["autoplay", "controls"]), "script": frozenset(["defer", "async"]), "details": frozenset(["open"]), "datagrid": frozenset(["multiple", "disabled"]), "command": frozenset(["hidden", "disabled", "checked", "default"]), "hr": frozenset(["noshade"]), "menu": frozenset(["autosubmit"]), "fieldset": frozenset(["disabled", "readonly"]), "option": frozenset(["disabled", "readonly", "selected"]), "optgroup": frozenset(["disabled", "readonly"]), "button": frozenset(["disabled", "autofocus"]), "input": frozenset(["disabled", "readonly", "required", "autofocus", "checked", "ismap"]), "select": frozenset(["disabled", "readonly", "autofocus", "multiple"]), "output": frozenset(["disabled", "readonly"]), "iframe": frozenset(["seamless"]), } # entitiesWindows1252 has to be _ordered_ and needs to have an index. It # therefore can't be a frozenset. entitiesWindows1252 = ( 8364, # 0x80 0x20AC EURO SIGN 65533, # 0x81 UNDEFINED 8218, # 0x82 0x201A SINGLE LOW-9 QUOTATION MARK 402, # 0x83 0x0192 LATIN SMALL LETTER F WITH HOOK 8222, # 0x84 0x201E DOUBLE LOW-9 QUOTATION MARK 8230, # 0x85 0x2026 HORIZONTAL ELLIPSIS 8224, # 0x86 0x2020 DAGGER 8225, # 0x87 0x2021 DOUBLE DAGGER 710, # 0x88 0x02C6 MODIFIER LETTER CIRCUMFLEX ACCENT 8240, # 0x89 0x2030 PER MILLE SIGN 352, # 0x8A 0x0160 LATIN CAPITAL LETTER S WITH CARON 8249, # 0x8B 0x2039 SINGLE LEFT-POINTING ANGLE QUOTATION MARK 338, # 0x8C 0x0152 LATIN CAPITAL LIGATURE OE 65533, # 0x8D UNDEFINED 381, # 0x8E 0x017D LATIN CAPITAL LETTER Z WITH CARON 65533, # 0x8F UNDEFINED 65533, # 0x90 UNDEFINED 8216, # 0x91 0x2018 LEFT SINGLE QUOTATION MARK 8217, # 0x92 0x2019 RIGHT SINGLE QUOTATION MARK 8220, # 0x93 0x201C LEFT DOUBLE QUOTATION MARK 8221, # 0x94 0x201D RIGHT DOUBLE QUOTATION MARK 8226, # 0x95 0x2022 BULLET 8211, # 0x96 0x2013 EN DASH 8212, # 0x97 0x2014 EM DASH 732, # 0x98 0x02DC SMALL TILDE 8482, # 0x99 0x2122 TRADE MARK SIGN 353, # 0x9A 0x0161 LATIN SMALL LETTER S WITH CARON 8250, # 0x9B 0x203A SINGLE RIGHT-POINTING ANGLE QUOTATION MARK 339, # 0x9C 0x0153 LATIN SMALL LIGATURE OE 65533, # 0x9D UNDEFINED 382, # 0x9E 0x017E LATIN SMALL LETTER Z WITH CARON 376 # 0x9F 0x0178 LATIN CAPITAL LETTER Y WITH DIAERESIS ) xmlEntities = frozenset(['lt;', 'gt;', 'amp;', 'apos;', 'quot;']) entities = { "AElig": "\xc6", "AElig;": "\xc6", "AMP": "&", "AMP;": "&", "Aacute": "\xc1", "Aacute;": "\xc1", "Abreve;": "\u0102", "Acirc": "\xc2", "Acirc;": "\xc2", "Acy;": "\u0410", "Afr;": "\U0001d504", "Agrave": "\xc0", "Agrave;": "\xc0", "Alpha;": "\u0391", "Amacr;": "\u0100", "And;": "\u2a53", "Aogon;": "\u0104", "Aopf;": "\U0001d538", "ApplyFunction;": "\u2061", "Aring": "\xc5", "Aring;": "\xc5", "Ascr;": "\U0001d49c", "Assign;": "\u2254", "Atilde": "\xc3", "Atilde;": "\xc3", "Auml": "\xc4", "Auml;": "\xc4", "Backslash;": "\u2216", "Barv;": "\u2ae7", "Barwed;": "\u2306", "Bcy;": "\u0411", "Because;": "\u2235", "Bernoullis;": "\u212c", "Beta;": "\u0392", "Bfr;": "\U0001d505", "Bopf;": "\U0001d539", "Breve;": "\u02d8", "Bscr;": "\u212c", "Bumpeq;": "\u224e", "CHcy;": "\u0427", "COPY": "\xa9", "COPY;": "\xa9", "Cacute;": "\u0106", "Cap;": "\u22d2", "CapitalDifferentialD;": "\u2145", "Cayleys;": "\u212d", "Ccaron;": "\u010c", "Ccedil": "\xc7", "Ccedil;": "\xc7", "Ccirc;": "\u0108", "Cconint;": "\u2230", "Cdot;": "\u010a", "Cedilla;": "\xb8", "CenterDot;": "\xb7", "Cfr;": "\u212d", "Chi;": "\u03a7", "CircleDot;": "\u2299", "CircleMinus;": "\u2296", "CirclePlus;": "\u2295", "CircleTimes;": "\u2297", "ClockwiseContourIntegral;": "\u2232", "CloseCurlyDoubleQuote;": "\u201d", "CloseCurlyQuote;": "\u2019", "Colon;": "\u2237", "Colone;": "\u2a74", "Congruent;": "\u2261", "Conint;": "\u222f", "ContourIntegral;": "\u222e", "Copf;": "\u2102", "Coproduct;": "\u2210", "CounterClockwiseContourIntegral;": "\u2233", "Cross;": "\u2a2f", "Cscr;": "\U0001d49e", "Cup;": "\u22d3", "CupCap;": "\u224d", "DD;": "\u2145", "DDotrahd;": "\u2911", "DJcy;": "\u0402", "DScy;": "\u0405", "DZcy;": "\u040f", "Dagger;": "\u2021", "Darr;": "\u21a1", "Dashv;": "\u2ae4", "Dcaron;": "\u010e", "Dcy;": "\u0414", "Del;": "\u2207", "Delta;": "\u0394", "Dfr;": "\U0001d507", "DiacriticalAcute;": "\xb4", "DiacriticalDot;": "\u02d9", "DiacriticalDoubleAcute;": "\u02dd", "DiacriticalGrave;": "`", "DiacriticalTilde;": "\u02dc", "Diamond;": "\u22c4", "DifferentialD;": "\u2146", "Dopf;": "\U0001d53b", "Dot;": "\xa8", "DotDot;": "\u20dc", "DotEqual;": "\u2250", "DoubleContourIntegral;": "\u222f", "DoubleDot;": "\xa8", "DoubleDownArrow;": "\u21d3", "DoubleLeftArrow;": "\u21d0", "DoubleLeftRightArrow;": "\u21d4", "DoubleLeftTee;": "\u2ae4", "DoubleLongLeftArrow;": "\u27f8", "DoubleLongLeftRightArrow;": "\u27fa", "DoubleLongRightArrow;": "\u27f9", "DoubleRightArrow;": "\u21d2", "DoubleRightTee;": "\u22a8", "DoubleUpArrow;": "\u21d1", "DoubleUpDownArrow;": "\u21d5", "DoubleVerticalBar;": "\u2225", "DownArrow;": "\u2193", "DownArrowBar;": "\u2913", "DownArrowUpArrow;": "\u21f5", "DownBreve;": "\u0311", "DownLeftRightVector;": "\u2950", "DownLeftTeeVector;": "\u295e", "DownLeftVector;": "\u21bd", "DownLeftVectorBar;": "\u2956", "DownRightTeeVector;": "\u295f", "DownRightVector;": "\u21c1", "DownRightVectorBar;": "\u2957", "DownTee;": "\u22a4", "DownTeeArrow;": "\u21a7", "Downarrow;": "\u21d3", "Dscr;": "\U0001d49f", "Dstrok;": "\u0110", "ENG;": "\u014a", "ETH": "\xd0", "ETH;": "\xd0", "Eacute": "\xc9", "Eacute;": "\xc9", "Ecaron;": "\u011a", "Ecirc": "\xca", "Ecirc;": "\xca", "Ecy;": "\u042d", "Edot;": "\u0116", "Efr;": "\U0001d508", "Egrave": "\xc8", "Egrave;": "\xc8", "Element;": "\u2208", "Emacr;": "\u0112", "EmptySmallSquare;": "\u25fb", "EmptyVerySmallSquare;": "\u25ab", "Eogon;": "\u0118", "Eopf;": "\U0001d53c", "Epsilon;": "\u0395", "Equal;": "\u2a75", "EqualTilde;": "\u2242", "Equilibrium;": "\u21cc", "Escr;": "\u2130", "Esim;": "\u2a73", "Eta;": "\u0397", "Euml": "\xcb", "Euml;": "\xcb", "Exists;": "\u2203", "ExponentialE;": "\u2147", "Fcy;": "\u0424", "Ffr;": "\U0001d509", "FilledSmallSquare;": "\u25fc", "FilledVerySmallSquare;": "\u25aa", "Fopf;": "\U0001d53d", "ForAll;": "\u2200", "Fouriertrf;": "\u2131", "Fscr;": "\u2131", "GJcy;": "\u0403", "GT": ">", "GT;": ">", "Gamma;": "\u0393", "Gammad;": "\u03dc", "Gbreve;": "\u011e", "Gcedil;": "\u0122", "Gcirc;": "\u011c", "Gcy;": "\u0413", "Gdot;": "\u0120", "Gfr;": "\U0001d50a", "Gg;": "\u22d9", "Gopf;": "\U0001d53e", "GreaterEqual;": "\u2265", "GreaterEqualLess;": "\u22db", "GreaterFullEqual;": "\u2267", "GreaterGreater;": "\u2aa2", "GreaterLess;": "\u2277", "GreaterSlantEqual;": "\u2a7e", "GreaterTilde;": "\u2273", "Gscr;": "\U0001d4a2", "Gt;": "\u226b", "HARDcy;": "\u042a", "Hacek;": "\u02c7", "Hat;": "^", "Hcirc;": "\u0124", "Hfr;": "\u210c", "HilbertSpace;": "\u210b", "Hopf;": "\u210d", "HorizontalLine;": "\u2500", "Hscr;": "\u210b", "Hstrok;": "\u0126", "HumpDownHump;": "\u224e", "HumpEqual;": "\u224f", "IEcy;": "\u0415", "IJlig;": "\u0132", "IOcy;": "\u0401", "Iacute": "\xcd", "Iacute;": "\xcd", "Icirc": "\xce", "Icirc;": "\xce", "Icy;": "\u0418", "Idot;": "\u0130", "Ifr;": "\u2111", "Igrave": "\xcc", "Igrave;": "\xcc", "Im;": "\u2111", "Imacr;": "\u012a", "ImaginaryI;": "\u2148", "Implies;": "\u21d2", "Int;": "\u222c", "Integral;": "\u222b", "Intersection;": "\u22c2", "InvisibleComma;": "\u2063", "InvisibleTimes;": "\u2062", "Iogon;": "\u012e", "Iopf;": "\U0001d540", "Iota;": "\u0399", "Iscr;": "\u2110", "Itilde;": "\u0128", "Iukcy;": "\u0406", "Iuml": "\xcf", "Iuml;": "\xcf", "Jcirc;": "\u0134", "Jcy;": "\u0419", "Jfr;": "\U0001d50d", "Jopf;": "\U0001d541", "Jscr;": "\U0001d4a5", "Jsercy;": "\u0408", "Jukcy;": "\u0404", "KHcy;": "\u0425", "KJcy;": "\u040c", "Kappa;": "\u039a", "Kcedil;": "\u0136", "Kcy;": "\u041a", "Kfr;": "\U0001d50e", "Kopf;": "\U0001d542", "Kscr;": "\U0001d4a6", "LJcy;": "\u0409", "LT": "<", "LT;": "<", "Lacute;": "\u0139", "Lambda;": "\u039b", "Lang;": "\u27ea", "Laplacetrf;": "\u2112", "Larr;": "\u219e", "Lcaron;": "\u013d", "Lcedil;": "\u013b", "Lcy;": "\u041b", "LeftAngleBracket;": "\u27e8", "LeftArrow;": "\u2190", "LeftArrowBar;": "\u21e4", "LeftArrowRightArrow;": "\u21c6", "LeftCeiling;": "\u2308", "LeftDoubleBracket;": "\u27e6", "LeftDownTeeVector;": "\u2961", "LeftDownVector;": "\u21c3", "LeftDownVectorBar;": "\u2959", "LeftFloor;": "\u230a", "LeftRightArrow;": "\u2194", "LeftRightVector;": "\u294e", "LeftTee;": "\u22a3", "LeftTeeArrow;": "\u21a4", "LeftTeeVector;": "\u295a", "LeftTriangle;": "\u22b2", "LeftTriangleBar;": "\u29cf", "LeftTriangleEqual;": "\u22b4", "LeftUpDownVector;": "\u2951", "LeftUpTeeVector;": "\u2960", "LeftUpVector;": "\u21bf", "LeftUpVectorBar;": "\u2958", "LeftVector;": "\u21bc", "LeftVectorBar;": "\u2952", "Leftarrow;": "\u21d0", "Leftrightarrow;": "\u21d4", "LessEqualGreater;": "\u22da", "LessFullEqual;": "\u2266", "LessGreater;": "\u2276", "LessLess;": "\u2aa1", "LessSlantEqual;": "\u2a7d", "LessTilde;": "\u2272", "Lfr;": "\U0001d50f", "Ll;": "\u22d8", "Lleftarrow;": "\u21da", "Lmidot;": "\u013f", "LongLeftArrow;": "\u27f5", "LongLeftRightArrow;": "\u27f7", "LongRightArrow;": "\u27f6", "Longleftarrow;": "\u27f8", "Longleftrightarrow;": "\u27fa", "Longrightarrow;": "\u27f9", "Lopf;": "\U0001d543", "LowerLeftArrow;": "\u2199", "LowerRightArrow;": "\u2198", "Lscr;": "\u2112", "Lsh;": "\u21b0", "Lstrok;": "\u0141", "Lt;": "\u226a", "Map;": "\u2905", "Mcy;": "\u041c", "MediumSpace;": "\u205f", "Mellintrf;": "\u2133", "Mfr;": "\U0001d510", "MinusPlus;": "\u2213", "Mopf;": "\U0001d544", "Mscr;": "\u2133", "Mu;": "\u039c", "NJcy;": "\u040a", "Nacute;": "\u0143", "Ncaron;": "\u0147", "Ncedil;": "\u0145", "Ncy;": "\u041d", "NegativeMediumSpace;": "\u200b", "NegativeThickSpace;": "\u200b", "NegativeThinSpace;": "\u200b", "NegativeVeryThinSpace;": "\u200b", "NestedGreaterGreater;": "\u226b", "NestedLessLess;": "\u226a", "NewLine;": "\n", "Nfr;": "\U0001d511", "NoBreak;": "\u2060", "NonBreakingSpace;": "\xa0", "Nopf;": "\u2115", "Not;": "\u2aec", "NotCongruent;": "\u2262", "NotCupCap;": "\u226d", "NotDoubleVerticalBar;": "\u2226", "NotElement;": "\u2209", "NotEqual;": "\u2260", "NotEqualTilde;": "\u2242\u0338", "NotExists;": "\u2204", "NotGreater;": "\u226f", "NotGreaterEqual;": "\u2271", "NotGreaterFullEqual;": "\u2267\u0338", "NotGreaterGreater;": "\u226b\u0338", "NotGreaterLess;": "\u2279", "NotGreaterSlantEqual;": "\u2a7e\u0338", "NotGreaterTilde;": "\u2275", "NotHumpDownHump;": "\u224e\u0338", "NotHumpEqual;": "\u224f\u0338", "NotLeftTriangle;": "\u22ea", "NotLeftTriangleBar;": "\u29cf\u0338", "NotLeftTriangleEqual;": "\u22ec", "NotLess;": "\u226e", "NotLessEqual;": "\u2270", "NotLessGreater;": "\u2278", "NotLessLess;": "\u226a\u0338", "NotLessSlantEqual;": "\u2a7d\u0338", "NotLessTilde;": "\u2274", "NotNestedGreaterGreater;": "\u2aa2\u0338", "NotNestedLessLess;": "\u2aa1\u0338", "NotPrecedes;": "\u2280", "NotPrecedesEqual;": "\u2aaf\u0338", "NotPrecedesSlantEqual;": "\u22e0", "NotReverseElement;": "\u220c", "NotRightTriangle;": "\u22eb", "NotRightTriangleBar;": "\u29d0\u0338", "NotRightTriangleEqual;": "\u22ed", "NotSquareSubset;": "\u228f\u0338", "NotSquareSubsetEqual;": "\u22e2", "NotSquareSuperset;": "\u2290\u0338", "NotSquareSupersetEqual;": "\u22e3", "NotSubset;": "\u2282\u20d2", "NotSubsetEqual;": "\u2288", "NotSucceeds;": "\u2281", "NotSucceedsEqual;": "\u2ab0\u0338", "NotSucceedsSlantEqual;": "\u22e1", "NotSucceedsTilde;": "\u227f\u0338", "NotSuperset;": "\u2283\u20d2", "NotSupersetEqual;": "\u2289", "NotTilde;": "\u2241", "NotTildeEqual;": "\u2244", "NotTildeFullEqual;": "\u2247", "NotTildeTilde;": "\u2249", "NotVerticalBar;": "\u2224", "Nscr;": "\U0001d4a9", "Ntilde": "\xd1", "Ntilde;": "\xd1", "Nu;": "\u039d", "OElig;": "\u0152", "Oacute": "\xd3", "Oacute;": "\xd3", "Ocirc": "\xd4", "Ocirc;": "\xd4", "Ocy;": "\u041e", "Odblac;": "\u0150", "Ofr;": "\U0001d512", "Ograve": "\xd2", "Ograve;": "\xd2", "Omacr;": "\u014c", "Omega;": "\u03a9", "Omicron;": "\u039f", "Oopf;": "\U0001d546", "OpenCurlyDoubleQuote;": "\u201c", "OpenCurlyQuote;": "\u2018", "Or;": "\u2a54", "Oscr;": "\U0001d4aa", "Oslash": "\xd8", "Oslash;": "\xd8", "Otilde": "\xd5", "Otilde;": "\xd5", "Otimes;": "\u2a37", "Ouml": "\xd6", "Ouml;": "\xd6", "OverBar;": "\u203e", "OverBrace;": "\u23de", "OverBracket;": "\u23b4", "OverParenthesis;": "\u23dc", "PartialD;": "\u2202", "Pcy;": "\u041f", "Pfr;": "\U0001d513", "Phi;": "\u03a6", "Pi;": "\u03a0", "PlusMinus;": "\xb1", "Poincareplane;": "\u210c", "Popf;": "\u2119", "Pr;": "\u2abb", "Precedes;": "\u227a", "PrecedesEqual;": "\u2aaf", "PrecedesSlantEqual;": "\u227c", "PrecedesTilde;": "\u227e", "Prime;": "\u2033", "Product;": "\u220f", "Proportion;": "\u2237", "Proportional;": "\u221d", "Pscr;": "\U0001d4ab", "Psi;": "\u03a8", "QUOT": "\"", "QUOT;": "\"", "Qfr;": "\U0001d514", "Qopf;": "\u211a", "Qscr;": "\U0001d4ac", "RBarr;": "\u2910", "REG": "\xae", "REG;": "\xae", "Racute;": "\u0154", "Rang;": "\u27eb", "Rarr;": "\u21a0", "Rarrtl;": "\u2916", "Rcaron;": "\u0158", "Rcedil;": "\u0156", "Rcy;": "\u0420", "Re;": "\u211c", "ReverseElement;": "\u220b", "ReverseEquilibrium;": "\u21cb", "ReverseUpEquilibrium;": "\u296f", "Rfr;": "\u211c", "Rho;": "\u03a1", "RightAngleBracket;": "\u27e9", "RightArrow;": "\u2192", "RightArrowBar;": "\u21e5", "RightArrowLeftArrow;": "\u21c4", "RightCeiling;": "\u2309", "RightDoubleBracket;": "\u27e7", "RightDownTeeVector;": "\u295d", "RightDownVector;": "\u21c2", "RightDownVectorBar;": "\u2955", "RightFloor;": "\u230b", "RightTee;": "\u22a2", "RightTeeArrow;": "\u21a6", "RightTeeVector;": "\u295b", "RightTriangle;": "\u22b3", "RightTriangleBar;": "\u29d0", "RightTriangleEqual;": "\u22b5", "RightUpDownVector;": "\u294f", "RightUpTeeVector;": "\u295c", "RightUpVector;": "\u21be", "RightUpVectorBar;": "\u2954", "RightVector;": "\u21c0", "RightVectorBar;": "\u2953", "Rightarrow;": "\u21d2", "Ropf;": "\u211d", "RoundImplies;": "\u2970", "Rrightarrow;": "\u21db", "Rscr;": "\u211b", "Rsh;": "\u21b1", "RuleDelayed;": "\u29f4", "SHCHcy;": "\u0429", "SHcy;": "\u0428", "SOFTcy;": "\u042c", "Sacute;": "\u015a", "Sc;": "\u2abc", "Scaron;": "\u0160", "Scedil;": "\u015e", "Scirc;": "\u015c", "Scy;": "\u0421", "Sfr;": "\U0001d516", "ShortDownArrow;": "\u2193", "ShortLeftArrow;": "\u2190", "ShortRightArrow;": "\u2192", "ShortUpArrow;": "\u2191", "Sigma;": "\u03a3", "SmallCircle;": "\u2218", "Sopf;": "\U0001d54a", "Sqrt;": "\u221a", "Square;": "\u25a1", "SquareIntersection;": "\u2293", "SquareSubset;": "\u228f", "SquareSubsetEqual;": "\u2291", "SquareSuperset;": "\u2290", "SquareSupersetEqual;": "\u2292", "SquareUnion;": "\u2294", "Sscr;": "\U0001d4ae", "Star;": "\u22c6", "Sub;": "\u22d0", "Subset;": "\u22d0", "SubsetEqual;": "\u2286", "Succeeds;": "\u227b", "SucceedsEqual;": "\u2ab0", "SucceedsSlantEqual;": "\u227d", "SucceedsTilde;": "\u227f", "SuchThat;": "\u220b", "Sum;": "\u2211", "Sup;": "\u22d1", "Superset;": "\u2283", "SupersetEqual;": "\u2287", "Supset;": "\u22d1", "THORN": "\xde", "THORN;": "\xde", "TRADE;": "\u2122", "TSHcy;": "\u040b", "TScy;": "\u0426", "Tab;": "\t", "Tau;": "\u03a4", "Tcaron;": "\u0164", "Tcedil;": "\u0162", "Tcy;": "\u0422", "Tfr;": "\U0001d517", "Therefore;": "\u2234", "Theta;": "\u0398", "ThickSpace;": "\u205f\u200a", "ThinSpace;": "\u2009", "Tilde;": "\u223c", "TildeEqual;": "\u2243", "TildeFullEqual;": "\u2245", "TildeTilde;": "\u2248", "Topf;": "\U0001d54b", "TripleDot;": "\u20db", "Tscr;": "\U0001d4af", "Tstrok;": "\u0166", "Uacute": "\xda", "Uacute;": "\xda", "Uarr;": "\u219f", "Uarrocir;": "\u2949", "Ubrcy;": "\u040e", "Ubreve;": "\u016c", "Ucirc": "\xdb", "Ucirc;": "\xdb", "Ucy;": "\u0423", "Udblac;": "\u0170", "Ufr;": "\U0001d518", "Ugrave": "\xd9", "Ugrave;": "\xd9", "Umacr;": "\u016a", "UnderBar;": "_", "UnderBrace;": "\u23df", "UnderBracket;": "\u23b5", "UnderParenthesis;": "\u23dd", "Union;": "\u22c3", "UnionPlus;": "\u228e", "Uogon;": "\u0172", "Uopf;": "\U0001d54c", "UpArrow;": "\u2191", "UpArrowBar;": "\u2912", "UpArrowDownArrow;": "\u21c5", "UpDownArrow;": "\u2195", "UpEquilibrium;": "\u296e", "UpTee;": "\u22a5", "UpTeeArrow;": "\u21a5", "Uparrow;": "\u21d1", "Updownarrow;": "\u21d5", "UpperLeftArrow;": "\u2196", "UpperRightArrow;": "\u2197", "Upsi;": "\u03d2", "Upsilon;": "\u03a5", "Uring;": "\u016e", "Uscr;": "\U0001d4b0", "Utilde;": "\u0168", "Uuml": "\xdc", "Uuml;": "\xdc", "VDash;": "\u22ab", "Vbar;": "\u2aeb", "Vcy;": "\u0412", "Vdash;": "\u22a9", "Vdashl;": "\u2ae6", "Vee;": "\u22c1", "Verbar;": "\u2016", "Vert;": "\u2016", "VerticalBar;": "\u2223", "VerticalLine;": "|", "VerticalSeparator;": "\u2758", "VerticalTilde;": "\u2240", "VeryThinSpace;": "\u200a", "Vfr;": "\U0001d519", "Vopf;": "\U0001d54d", "Vscr;": "\U0001d4b1", "Vvdash;": "\u22aa", "Wcirc;": "\u0174", "Wedge;": "\u22c0", "Wfr;": "\U0001d51a", "Wopf;": "\U0001d54e", "Wscr;": "\U0001d4b2", "Xfr;": "\U0001d51b", "Xi;": "\u039e", "Xopf;": "\U0001d54f", "Xscr;": "\U0001d4b3", "YAcy;": "\u042f", "YIcy;": "\u0407", "YUcy;": "\u042e", "Yacute": "\xdd", "Yacute;": "\xdd", "Ycirc;": "\u0176", "Ycy;": "\u042b", "Yfr;": "\U0001d51c", "Yopf;": "\U0001d550", "Yscr;": "\U0001d4b4", "Yuml;": "\u0178", "ZHcy;": "\u0416", "Zacute;": "\u0179", "Zcaron;": "\u017d", "Zcy;": "\u0417", "Zdot;": "\u017b", "ZeroWidthSpace;": "\u200b", "Zeta;": "\u0396", "Zfr;": "\u2128", "Zopf;": "\u2124", "Zscr;": "\U0001d4b5", "aacute": "\xe1", "aacute;": "\xe1", "abreve;": "\u0103", "ac;": "\u223e", "acE;": "\u223e\u0333", "acd;": "\u223f", "acirc": "\xe2", "acirc;": "\xe2", "acute": "\xb4", "acute;": "\xb4", "acy;": "\u0430", "aelig": "\xe6", "aelig;": "\xe6", "af;": "\u2061", "afr;": "\U0001d51e", "agrave": "\xe0", "agrave;": "\xe0", "alefsym;": "\u2135", "aleph;": "\u2135", "alpha;": "\u03b1", "amacr;": "\u0101", "amalg;": "\u2a3f", "amp": "&", "amp;": "&", "and;": "\u2227", "andand;": "\u2a55", "andd;": "\u2a5c", "andslope;": "\u2a58", "andv;": "\u2a5a", "ang;": "\u2220", "ange;": "\u29a4", "angle;": "\u2220", "angmsd;": "\u2221", "angmsdaa;": "\u29a8", "angmsdab;": "\u29a9", "angmsdac;": "\u29aa", "angmsdad;": "\u29ab", "angmsdae;": "\u29ac", "angmsdaf;": "\u29ad", "angmsdag;": "\u29ae", "angmsdah;": "\u29af", "angrt;": "\u221f", "angrtvb;": "\u22be", "angrtvbd;": "\u299d", "angsph;": "\u2222", "angst;": "\xc5", "angzarr;": "\u237c", "aogon;": "\u0105", "aopf;": "\U0001d552", "ap;": "\u2248", "apE;": "\u2a70", "apacir;": "\u2a6f", "ape;": "\u224a", "apid;": "\u224b", "apos;": "'", "approx;": "\u2248", "approxeq;": "\u224a", "aring": "\xe5", "aring;": "\xe5", "ascr;": "\U0001d4b6", "ast;": "*", "asymp;": "\u2248", "asympeq;": "\u224d", "atilde": "\xe3", "atilde;": "\xe3", "auml": "\xe4", "auml;": "\xe4", "awconint;": "\u2233", "awint;": "\u2a11", "bNot;": "\u2aed", "backcong;": "\u224c", "backepsilon;": "\u03f6", "backprime;": "\u2035", "backsim;": "\u223d", "backsimeq;": "\u22cd", "barvee;": "\u22bd", "barwed;": "\u2305", "barwedge;": "\u2305", "bbrk;": "\u23b5", "bbrktbrk;": "\u23b6", "bcong;": "\u224c", "bcy;": "\u0431", "bdquo;": "\u201e", "becaus;": "\u2235", "because;": "\u2235", "bemptyv;": "\u29b0", "bepsi;": "\u03f6", "bernou;": "\u212c", "beta;": "\u03b2", "beth;": "\u2136", "between;": "\u226c", "bfr;": "\U0001d51f", "bigcap;": "\u22c2", "bigcirc;": "\u25ef", "bigcup;": "\u22c3", "bigodot;": "\u2a00", "bigoplus;": "\u2a01", "bigotimes;": "\u2a02", "bigsqcup;": "\u2a06", "bigstar;": "\u2605", "bigtriangledown;": "\u25bd", "bigtriangleup;": "\u25b3", "biguplus;": "\u2a04", "bigvee;": "\u22c1", "bigwedge;": "\u22c0", "bkarow;": "\u290d", "blacklozenge;": "\u29eb", "blacksquare;": "\u25aa", "blacktriangle;": "\u25b4", "blacktriangledown;": "\u25be", "blacktriangleleft;": "\u25c2", "blacktriangleright;": "\u25b8", "blank;": "\u2423", "blk12;": "\u2592", "blk14;": "\u2591", "blk34;": "\u2593", "block;": "\u2588", "bne;": "=\u20e5", "bnequiv;": "\u2261\u20e5", "bnot;": "\u2310", "bopf;": "\U0001d553", "bot;": "\u22a5", "bottom;": "\u22a5", "bowtie;": "\u22c8", "boxDL;": "\u2557", "boxDR;": "\u2554", "boxDl;": "\u2556", "boxDr;": "\u2553", "boxH;": "\u2550", "boxHD;": "\u2566", "boxHU;": "\u2569", "boxHd;": "\u2564", "boxHu;": "\u2567", "boxUL;": "\u255d", "boxUR;": "\u255a", "boxUl;": "\u255c", "boxUr;": "\u2559", "boxV;": "\u2551", "boxVH;": "\u256c", "boxVL;": "\u2563", "boxVR;": "\u2560", "boxVh;": "\u256b", "boxVl;": "\u2562", "boxVr;": "\u255f", "boxbox;": "\u29c9", "boxdL;": "\u2555", "boxdR;": "\u2552", "boxdl;": "\u2510", "boxdr;": "\u250c", "boxh;": "\u2500", "boxhD;": "\u2565", "boxhU;": "\u2568", "boxhd;": "\u252c", "boxhu;": "\u2534", "boxminus;": "\u229f", "boxplus;": "\u229e", "boxtimes;": "\u22a0", "boxuL;": "\u255b", "boxuR;": "\u2558", "boxul;": "\u2518", "boxur;": "\u2514", "boxv;": "\u2502", "boxvH;": "\u256a", "boxvL;": "\u2561", "boxvR;": "\u255e", "boxvh;": "\u253c", "boxvl;": "\u2524", "boxvr;": "\u251c", "bprime;": "\u2035", "breve;": "\u02d8", "brvbar": "\xa6", "brvbar;": "\xa6", "bscr;": "\U0001d4b7", "bsemi;": "\u204f", "bsim;": "\u223d", "bsime;": "\u22cd", "bsol;": "\\", "bsolb;": "\u29c5", "bsolhsub;": "\u27c8", "bull;": "\u2022", "bullet;": "\u2022", "bump;": "\u224e", "bumpE;": "\u2aae", "bumpe;": "\u224f", "bumpeq;": "\u224f", "cacute;": "\u0107", "cap;": "\u2229", "capand;": "\u2a44", "capbrcup;": "\u2a49", "capcap;": "\u2a4b", "capcup;": "\u2a47", "capdot;": "\u2a40", "caps;": "\u2229\ufe00", "caret;": "\u2041", "caron;": "\u02c7", "ccaps;": "\u2a4d", "ccaron;": "\u010d", "ccedil": "\xe7", "ccedil;": "\xe7", "ccirc;": "\u0109", "ccups;": "\u2a4c", "ccupssm;": "\u2a50", "cdot;": "\u010b", "cedil": "\xb8", "cedil;": "\xb8", "cemptyv;": "\u29b2", "cent": "\xa2", "cent;": "\xa2", "centerdot;": "\xb7", "cfr;": "\U0001d520", "chcy;": "\u0447", "check;": "\u2713", "checkmark;": "\u2713", "chi;": "\u03c7", "cir;": "\u25cb", "cirE;": "\u29c3", "circ;": "\u02c6", "circeq;": "\u2257", "circlearrowleft;": "\u21ba", "circlearrowright;": "\u21bb", "circledR;": "\xae", "circledS;": "\u24c8", "circledast;": "\u229b", "circledcirc;": "\u229a", "circleddash;": "\u229d", "cire;": "\u2257", "cirfnint;": "\u2a10", "cirmid;": "\u2aef", "cirscir;": "\u29c2", "clubs;": "\u2663", "clubsuit;": "\u2663", "colon;": ":", "colone;": "\u2254", "coloneq;": "\u2254", "comma;": ",", "commat;": "@", "comp;": "\u2201", "compfn;": "\u2218", "complement;": "\u2201", "complexes;": "\u2102", "cong;": "\u2245", "congdot;": "\u2a6d", "conint;": "\u222e", "copf;": "\U0001d554", "coprod;": "\u2210", "copy": "\xa9", "copy;": "\xa9", "copysr;": "\u2117", "crarr;": "\u21b5", "cross;": "\u2717", "cscr;": "\U0001d4b8", "csub;": "\u2acf", "csube;": "\u2ad1", "csup;": "\u2ad0", "csupe;": "\u2ad2", "ctdot;": "\u22ef", "cudarrl;": "\u2938", "cudarrr;": "\u2935", "cuepr;": "\u22de", "cuesc;": "\u22df", "cularr;": "\u21b6", "cularrp;": "\u293d", "cup;": "\u222a", "cupbrcap;": "\u2a48", "cupcap;": "\u2a46", "cupcup;": "\u2a4a", "cupdot;": "\u228d", "cupor;": "\u2a45", "cups;": "\u222a\ufe00", "curarr;": "\u21b7", "curarrm;": "\u293c", "curlyeqprec;": "\u22de", "curlyeqsucc;": "\u22df", "curlyvee;": "\u22ce", "curlywedge;": "\u22cf", "curren": "\xa4", "curren;": "\xa4", "curvearrowleft;": "\u21b6", "curvearrowright;": "\u21b7", "cuvee;": "\u22ce", "cuwed;": "\u22cf", "cwconint;": "\u2232", "cwint;": "\u2231", "cylcty;": "\u232d", "dArr;": "\u21d3", "dHar;": "\u2965", "dagger;": "\u2020", "daleth;": "\u2138", "darr;": "\u2193", "dash;": "\u2010", "dashv;": "\u22a3", "dbkarow;": "\u290f", "dblac;": "\u02dd", "dcaron;": "\u010f", "dcy;": "\u0434", "dd;": "\u2146", "ddagger;": "\u2021", "ddarr;": "\u21ca", "ddotseq;": "\u2a77", "deg": "\xb0", "deg;": "\xb0", "delta;": "\u03b4", "demptyv;": "\u29b1", "dfisht;": "\u297f", "dfr;": "\U0001d521", "dharl;": "\u21c3", "dharr;": "\u21c2", "diam;": "\u22c4", "diamond;": "\u22c4", "diamondsuit;": "\u2666", "diams;": "\u2666", "die;": "\xa8", "digamma;": "\u03dd", "disin;": "\u22f2", "div;": "\xf7", "divide": "\xf7", "divide;": "\xf7", "divideontimes;": "\u22c7", "divonx;": "\u22c7", "djcy;": "\u0452", "dlcorn;": "\u231e", "dlcrop;": "\u230d", "dollar;": "$", "dopf;": "\U0001d555", "dot;": "\u02d9", "doteq;": "\u2250", "doteqdot;": "\u2251", "dotminus;": "\u2238", "dotplus;": "\u2214", "dotsquare;": "\u22a1", "doublebarwedge;": "\u2306", "downarrow;": "\u2193", "downdownarrows;": "\u21ca", "downharpoonleft;": "\u21c3", "downharpoonright;": "\u21c2", "drbkarow;": "\u2910", "drcorn;": "\u231f", "drcrop;": "\u230c", "dscr;": "\U0001d4b9", "dscy;": "\u0455", "dsol;": "\u29f6", "dstrok;": "\u0111", "dtdot;": "\u22f1", "dtri;": "\u25bf", "dtrif;": "\u25be", "duarr;": "\u21f5", "duhar;": "\u296f", "dwangle;": "\u29a6", "dzcy;": "\u045f", "dzigrarr;": "\u27ff", "eDDot;": "\u2a77", "eDot;": "\u2251", "eacute": "\xe9", "eacute;": "\xe9", "easter;": "\u2a6e", "ecaron;": "\u011b", "ecir;": "\u2256", "ecirc": "\xea", "ecirc;": "\xea", "ecolon;": "\u2255", "ecy;": "\u044d", "edot;": "\u0117", "ee;": "\u2147", "efDot;": "\u2252", "efr;": "\U0001d522", "eg;": "\u2a9a", "egrave": "\xe8", "egrave;": "\xe8", "egs;": "\u2a96", "egsdot;": "\u2a98", "el;": "\u2a99", "elinters;": "\u23e7", "ell;": "\u2113", "els;": "\u2a95", "elsdot;": "\u2a97", "emacr;": "\u0113", "empty;": "\u2205", "emptyset;": "\u2205", "emptyv;": "\u2205", "emsp13;": "\u2004", "emsp14;": "\u2005", "emsp;": "\u2003", "eng;": "\u014b", "ensp;": "\u2002", "eogon;": "\u0119", "eopf;": "\U0001d556", "epar;": "\u22d5", "eparsl;": "\u29e3", "eplus;": "\u2a71", "epsi;": "\u03b5", "epsilon;": "\u03b5", "epsiv;": "\u03f5", "eqcirc;": "\u2256", "eqcolon;": "\u2255", "eqsim;": "\u2242", "eqslantgtr;": "\u2a96", "eqslantless;": "\u2a95", "equals;": "=", "equest;": "\u225f", "equiv;": "\u2261", "equivDD;": "\u2a78", "eqvparsl;": "\u29e5", "erDot;": "\u2253", "erarr;": "\u2971", "escr;": "\u212f", "esdot;": "\u2250", "esim;": "\u2242", "eta;": "\u03b7", "eth": "\xf0", "eth;": "\xf0", "euml": "\xeb", "euml;": "\xeb", "euro;": "\u20ac", "excl;": "!", "exist;": "\u2203", "expectation;": "\u2130", "exponentiale;": "\u2147", "fallingdotseq;": "\u2252", "fcy;": "\u0444", "female;": "\u2640", "ffilig;": "\ufb03", "fflig;": "\ufb00", "ffllig;": "\ufb04", "ffr;": "\U0001d523", "filig;": "\ufb01", "fjlig;": "fj", "flat;": "\u266d", "fllig;": "\ufb02", "fltns;": "\u25b1", "fnof;": "\u0192", "fopf;": "\U0001d557", "forall;": "\u2200", "fork;": "\u22d4", "forkv;": "\u2ad9", "fpartint;": "\u2a0d", "frac12": "\xbd", "frac12;": "\xbd", "frac13;": "\u2153", "frac14": "\xbc", "frac14;": "\xbc", "frac15;": "\u2155", "frac16;": "\u2159", "frac18;": "\u215b", "frac23;": "\u2154", "frac25;": "\u2156", "frac34": "\xbe", "frac34;": "\xbe", "frac35;": "\u2157", "frac38;": "\u215c", "frac45;": "\u2158", "frac56;": "\u215a", "frac58;": "\u215d", "frac78;": "\u215e", "frasl;": "\u2044", "frown;": "\u2322", "fscr;": "\U0001d4bb", "gE;": "\u2267", "gEl;": "\u2a8c", "gacute;": "\u01f5", "gamma;": "\u03b3", "gammad;": "\u03dd", "gap;": "\u2a86", "gbreve;": "\u011f", "gcirc;": "\u011d", "gcy;": "\u0433", "gdot;": "\u0121", "ge;": "\u2265", "gel;": "\u22db", "geq;": "\u2265", "geqq;": "\u2267", "geqslant;": "\u2a7e", "ges;": "\u2a7e", "gescc;": "\u2aa9", "gesdot;": "\u2a80", "gesdoto;": "\u2a82", "gesdotol;": "\u2a84", "gesl;": "\u22db\ufe00", "gesles;": "\u2a94", "gfr;": "\U0001d524", "gg;": "\u226b", "ggg;": "\u22d9", "gimel;": "\u2137", "gjcy;": "\u0453", "gl;": "\u2277", "glE;": "\u2a92", "gla;": "\u2aa5", "glj;": "\u2aa4", "gnE;": "\u2269", "gnap;": "\u2a8a", "gnapprox;": "\u2a8a", "gne;": "\u2a88", "gneq;": "\u2a88", "gneqq;": "\u2269", "gnsim;": "\u22e7", "gopf;": "\U0001d558", "grave;": "`", "gscr;": "\u210a", "gsim;": "\u2273", "gsime;": "\u2a8e", "gsiml;": "\u2a90", "gt": ">", "gt;": ">", "gtcc;": "\u2aa7", "gtcir;": "\u2a7a", "gtdot;": "\u22d7", "gtlPar;": "\u2995", "gtquest;": "\u2a7c", "gtrapprox;": "\u2a86", "gtrarr;": "\u2978", "gtrdot;": "\u22d7", "gtreqless;": "\u22db", "gtreqqless;": "\u2a8c", "gtrless;": "\u2277", "gtrsim;": "\u2273", "gvertneqq;": "\u2269\ufe00", "gvnE;": "\u2269\ufe00", "hArr;": "\u21d4", "hairsp;": "\u200a", "half;": "\xbd", "hamilt;": "\u210b", "hardcy;": "\u044a", "harr;": "\u2194", "harrcir;": "\u2948", "harrw;": "\u21ad", "hbar;": "\u210f", "hcirc;": "\u0125", "hearts;": "\u2665", "heartsuit;": "\u2665", "hellip;": "\u2026", "hercon;": "\u22b9", "hfr;": "\U0001d525", "hksearow;": "\u2925", "hkswarow;": "\u2926", "hoarr;": "\u21ff", "homtht;": "\u223b", "hookleftarrow;": "\u21a9", "hookrightarrow;": "\u21aa", "hopf;": "\U0001d559", "horbar;": "\u2015", "hscr;": "\U0001d4bd", "hslash;": "\u210f", "hstrok;": "\u0127", "hybull;": "\u2043", "hyphen;": "\u2010", "iacute": "\xed", "iacute;": "\xed", "ic;": "\u2063", "icirc": "\xee", "icirc;": "\xee", "icy;": "\u0438", "iecy;": "\u0435", "iexcl": "\xa1", "iexcl;": "\xa1", "iff;": "\u21d4", "ifr;": "\U0001d526", "igrave": "\xec", "igrave;": "\xec", "ii;": "\u2148", "iiiint;": "\u2a0c", "iiint;": "\u222d", "iinfin;": "\u29dc", "iiota;": "\u2129", "ijlig;": "\u0133", "imacr;": "\u012b", "image;": "\u2111", "imagline;": "\u2110", "imagpart;": "\u2111", "imath;": "\u0131", "imof;": "\u22b7", "imped;": "\u01b5", "in;": "\u2208", "incare;": "\u2105", "infin;": "\u221e", "infintie;": "\u29dd", "inodot;": "\u0131", "int;": "\u222b", "intcal;": "\u22ba", "integers;": "\u2124", "intercal;": "\u22ba", "intlarhk;": "\u2a17", "intprod;": "\u2a3c", "iocy;": "\u0451", "iogon;": "\u012f", "iopf;": "\U0001d55a", "iota;": "\u03b9", "iprod;": "\u2a3c", "iquest": "\xbf", "iquest;": "\xbf", "iscr;": "\U0001d4be", "isin;": "\u2208", "isinE;": "\u22f9", "isindot;": "\u22f5", "isins;": "\u22f4", "isinsv;": "\u22f3", "isinv;": "\u2208", "it;": "\u2062", "itilde;": "\u0129", "iukcy;": "\u0456", "iuml": "\xef", "iuml;": "\xef", "jcirc;": "\u0135", "jcy;": "\u0439", "jfr;": "\U0001d527", "jmath;": "\u0237", "jopf;": "\U0001d55b", "jscr;": "\U0001d4bf", "jsercy;": "\u0458", "jukcy;": "\u0454", "kappa;": "\u03ba", "kappav;": "\u03f0", "kcedil;": "\u0137", "kcy;": "\u043a", "kfr;": "\U0001d528", "kgreen;": "\u0138", "khcy;": "\u0445", "kjcy;": "\u045c", "kopf;": "\U0001d55c", "kscr;": "\U0001d4c0", "lAarr;": "\u21da", "lArr;": "\u21d0", "lAtail;": "\u291b", "lBarr;": "\u290e", "lE;": "\u2266", "lEg;": "\u2a8b", "lHar;": "\u2962", "lacute;": "\u013a", "laemptyv;": "\u29b4", "lagran;": "\u2112", "lambda;": "\u03bb", "lang;": "\u27e8", "langd;": "\u2991", "langle;": "\u27e8", "lap;": "\u2a85", "laquo": "\xab", "laquo;": "\xab", "larr;": "\u2190", "larrb;": "\u21e4", "larrbfs;": "\u291f", "larrfs;": "\u291d", "larrhk;": "\u21a9", "larrlp;": "\u21ab", "larrpl;": "\u2939", "larrsim;": "\u2973", "larrtl;": "\u21a2", "lat;": "\u2aab", "latail;": "\u2919", "late;": "\u2aad", "lates;": "\u2aad\ufe00", "lbarr;": "\u290c", "lbbrk;": "\u2772", "lbrace;": "{", "lbrack;": "[", "lbrke;": "\u298b", "lbrksld;": "\u298f", "lbrkslu;": "\u298d", "lcaron;": "\u013e", "lcedil;": "\u013c", "lceil;": "\u2308", "lcub;": "{", "lcy;": "\u043b", "ldca;": "\u2936", "ldquo;": "\u201c", "ldquor;": "\u201e", "ldrdhar;": "\u2967", "ldrushar;": "\u294b", "ldsh;": "\u21b2", "le;": "\u2264", "leftarrow;": "\u2190", "leftarrowtail;": "\u21a2", "leftharpoondown;": "\u21bd", "leftharpoonup;": "\u21bc", "leftleftarrows;": "\u21c7", "leftrightarrow;": "\u2194", "leftrightarrows;": "\u21c6", "leftrightharpoons;": "\u21cb", "leftrightsquigarrow;": "\u21ad", "leftthreetimes;": "\u22cb", "leg;": "\u22da", "leq;": "\u2264", "leqq;": "\u2266", "leqslant;": "\u2a7d", "les;": "\u2a7d", "lescc;": "\u2aa8", "lesdot;": "\u2a7f", "lesdoto;": "\u2a81", "lesdotor;": "\u2a83", "lesg;": "\u22da\ufe00", "lesges;": "\u2a93", "lessapprox;": "\u2a85", "lessdot;": "\u22d6", "lesseqgtr;": "\u22da", "lesseqqgtr;": "\u2a8b", "lessgtr;": "\u2276", "lesssim;": "\u2272", "lfisht;": "\u297c", "lfloor;": "\u230a", "lfr;": "\U0001d529", "lg;": "\u2276", "lgE;": "\u2a91", "lhard;": "\u21bd", "lharu;": "\u21bc", "lharul;": "\u296a", "lhblk;": "\u2584", "ljcy;": "\u0459", "ll;": "\u226a", "llarr;": "\u21c7", "llcorner;": "\u231e", "llhard;": "\u296b", "lltri;": "\u25fa", "lmidot;": "\u0140", "lmoust;": "\u23b0", "lmoustache;": "\u23b0", "lnE;": "\u2268", "lnap;": "\u2a89", "lnapprox;": "\u2a89", "lne;": "\u2a87", "lneq;": "\u2a87", "lneqq;": "\u2268", "lnsim;": "\u22e6", "loang;": "\u27ec", "loarr;": "\u21fd", "lobrk;": "\u27e6", "longleftarrow;": "\u27f5", "longleftrightarrow;": "\u27f7", "longmapsto;": "\u27fc", "longrightarrow;": "\u27f6", "looparrowleft;": "\u21ab", "looparrowright;": "\u21ac", "lopar;": "\u2985", "lopf;": "\U0001d55d", "loplus;": "\u2a2d", "lotimes;": "\u2a34", "lowast;": "\u2217", "lowbar;": "_", "loz;": "\u25ca", "lozenge;": "\u25ca", "lozf;": "\u29eb", "lpar;": "(", "lparlt;": "\u2993", "lrarr;": "\u21c6", "lrcorner;": "\u231f", "lrhar;": "\u21cb", "lrhard;": "\u296d", "lrm;": "\u200e", "lrtri;": "\u22bf", "lsaquo;": "\u2039", "lscr;": "\U0001d4c1", "lsh;": "\u21b0", "lsim;": "\u2272", "lsime;": "\u2a8d", "lsimg;": "\u2a8f", "lsqb;": "[", "lsquo;": "\u2018", "lsquor;": "\u201a", "lstrok;": "\u0142", "lt": "<", "lt;": "<", "ltcc;": "\u2aa6", "ltcir;": "\u2a79", "ltdot;": "\u22d6", "lthree;": "\u22cb", "ltimes;": "\u22c9", "ltlarr;": "\u2976", "ltquest;": "\u2a7b", "ltrPar;": "\u2996", "ltri;": "\u25c3", "ltrie;": "\u22b4", "ltrif;": "\u25c2", "lurdshar;": "\u294a", "luruhar;": "\u2966", "lvertneqq;": "\u2268\ufe00", "lvnE;": "\u2268\ufe00", "mDDot;": "\u223a", "macr": "\xaf", "macr;": "\xaf", "male;": "\u2642", "malt;": "\u2720", "maltese;": "\u2720", "map;": "\u21a6", "mapsto;": "\u21a6", "mapstodown;": "\u21a7", "mapstoleft;": "\u21a4", "mapstoup;": "\u21a5", "marker;": "\u25ae", "mcomma;": "\u2a29", "mcy;": "\u043c", "mdash;": "\u2014", "measuredangle;": "\u2221", "mfr;": "\U0001d52a", "mho;": "\u2127", "micro": "\xb5", "micro;": "\xb5", "mid;": "\u2223", "midast;": "*", "midcir;": "\u2af0", "middot": "\xb7", "middot;": "\xb7", "minus;": "\u2212", "minusb;": "\u229f", "minusd;": "\u2238", "minusdu;": "\u2a2a", "mlcp;": "\u2adb", "mldr;": "\u2026", "mnplus;": "\u2213", "models;": "\u22a7", "mopf;": "\U0001d55e", "mp;": "\u2213", "mscr;": "\U0001d4c2", "mstpos;": "\u223e", "mu;": "\u03bc", "multimap;": "\u22b8", "mumap;": "\u22b8", "nGg;": "\u22d9\u0338", "nGt;": "\u226b\u20d2", "nGtv;": "\u226b\u0338", "nLeftarrow;": "\u21cd", "nLeftrightarrow;": "\u21ce", "nLl;": "\u22d8\u0338", "nLt;": "\u226a\u20d2", "nLtv;": "\u226a\u0338", "nRightarrow;": "\u21cf", "nVDash;": "\u22af", "nVdash;": "\u22ae", "nabla;": "\u2207", "nacute;": "\u0144", "nang;": "\u2220\u20d2", "nap;": "\u2249", "napE;": "\u2a70\u0338", "napid;": "\u224b\u0338", "napos;": "\u0149", "napprox;": "\u2249", "natur;": "\u266e", "natural;": "\u266e", "naturals;": "\u2115", "nbsp": "\xa0", "nbsp;": "\xa0", "nbump;": "\u224e\u0338", "nbumpe;": "\u224f\u0338", "ncap;": "\u2a43", "ncaron;": "\u0148", "ncedil;": "\u0146", "ncong;": "\u2247", "ncongdot;": "\u2a6d\u0338", "ncup;": "\u2a42", "ncy;": "\u043d", "ndash;": "\u2013", "ne;": "\u2260", "neArr;": "\u21d7", "nearhk;": "\u2924", "nearr;": "\u2197", "nearrow;": "\u2197", "nedot;": "\u2250\u0338", "nequiv;": "\u2262", "nesear;": "\u2928", "nesim;": "\u2242\u0338", "nexist;": "\u2204", "nexists;": "\u2204", "nfr;": "\U0001d52b", "ngE;": "\u2267\u0338", "nge;": "\u2271", "ngeq;": "\u2271", "ngeqq;": "\u2267\u0338", "ngeqslant;": "\u2a7e\u0338", "nges;": "\u2a7e\u0338", "ngsim;": "\u2275", "ngt;": "\u226f", "ngtr;": "\u226f", "nhArr;": "\u21ce", "nharr;": "\u21ae", "nhpar;": "\u2af2", "ni;": "\u220b", "nis;": "\u22fc", "nisd;": "\u22fa", "niv;": "\u220b", "njcy;": "\u045a", "nlArr;": "\u21cd", "nlE;": "\u2266\u0338", "nlarr;": "\u219a", "nldr;": "\u2025", "nle;": "\u2270", "nleftarrow;": "\u219a", "nleftrightarrow;": "\u21ae", "nleq;": "\u2270", "nleqq;": "\u2266\u0338", "nleqslant;": "\u2a7d\u0338", "nles;": "\u2a7d\u0338", "nless;": "\u226e", "nlsim;": "\u2274", "nlt;": "\u226e", "nltri;": "\u22ea", "nltrie;": "\u22ec", "nmid;": "\u2224", "nopf;": "\U0001d55f", "not": "\xac", "not;": "\xac", "notin;": "\u2209", "notinE;": "\u22f9\u0338", "notindot;": "\u22f5\u0338", "notinva;": "\u2209", "notinvb;": "\u22f7", "notinvc;": "\u22f6", "notni;": "\u220c", "notniva;": "\u220c", "notnivb;": "\u22fe", "notnivc;": "\u22fd", "npar;": "\u2226", "nparallel;": "\u2226", "nparsl;": "\u2afd\u20e5", "npart;": "\u2202\u0338", "npolint;": "\u2a14", "npr;": "\u2280", "nprcue;": "\u22e0", "npre;": "\u2aaf\u0338", "nprec;": "\u2280", "npreceq;": "\u2aaf\u0338", "nrArr;": "\u21cf", "nrarr;": "\u219b", "nrarrc;": "\u2933\u0338", "nrarrw;": "\u219d\u0338", "nrightarrow;": "\u219b", "nrtri;": "\u22eb", "nrtrie;": "\u22ed", "nsc;": "\u2281", "nsccue;": "\u22e1", "nsce;": "\u2ab0\u0338", "nscr;": "\U0001d4c3", "nshortmid;": "\u2224", "nshortparallel;": "\u2226", "nsim;": "\u2241", "nsime;": "\u2244", "nsimeq;": "\u2244", "nsmid;": "\u2224", "nspar;": "\u2226", "nsqsube;": "\u22e2", "nsqsupe;": "\u22e3", "nsub;": "\u2284", "nsubE;": "\u2ac5\u0338", "nsube;": "\u2288", "nsubset;": "\u2282\u20d2", "nsubseteq;": "\u2288", "nsubseteqq;": "\u2ac5\u0338", "nsucc;": "\u2281", "nsucceq;": "\u2ab0\u0338", "nsup;": "\u2285", "nsupE;": "\u2ac6\u0338", "nsupe;": "\u2289", "nsupset;": "\u2283\u20d2", "nsupseteq;": "\u2289", "nsupseteqq;": "\u2ac6\u0338", "ntgl;": "\u2279", "ntilde": "\xf1", "ntilde;": "\xf1", "ntlg;": "\u2278", "ntriangleleft;": "\u22ea", "ntrianglelefteq;": "\u22ec", "ntriangleright;": "\u22eb", "ntrianglerighteq;": "\u22ed", "nu;": "\u03bd", "num;": "#", "numero;": "\u2116", "numsp;": "\u2007", "nvDash;": "\u22ad", "nvHarr;": "\u2904", "nvap;": "\u224d\u20d2", "nvdash;": "\u22ac", "nvge;": "\u2265\u20d2", "nvgt;": ">\u20d2", "nvinfin;": "\u29de", "nvlArr;": "\u2902", "nvle;": "\u2264\u20d2", "nvlt;": "<\u20d2", "nvltrie;": "\u22b4\u20d2", "nvrArr;": "\u2903", "nvrtrie;": "\u22b5\u20d2", "nvsim;": "\u223c\u20d2", "nwArr;": "\u21d6", "nwarhk;": "\u2923", "nwarr;": "\u2196", "nwarrow;": "\u2196", "nwnear;": "\u2927", "oS;": "\u24c8", "oacute": "\xf3", "oacute;": "\xf3", "oast;": "\u229b", "ocir;": "\u229a", "ocirc": "\xf4", "ocirc;": "\xf4", "ocy;": "\u043e", "odash;": "\u229d", "odblac;": "\u0151", "odiv;": "\u2a38", "odot;": "\u2299", "odsold;": "\u29bc", "oelig;": "\u0153", "ofcir;": "\u29bf", "ofr;": "\U0001d52c", "ogon;": "\u02db", "ograve": "\xf2", "ograve;": "\xf2", "ogt;": "\u29c1", "ohbar;": "\u29b5", "ohm;": "\u03a9", "oint;": "\u222e", "olarr;": "\u21ba", "olcir;": "\u29be", "olcross;": "\u29bb", "oline;": "\u203e", "olt;": "\u29c0", "omacr;": "\u014d", "omega;": "\u03c9", "omicron;": "\u03bf", "omid;": "\u29b6", "ominus;": "\u2296", "oopf;": "\U0001d560", "opar;": "\u29b7", "operp;": "\u29b9", "oplus;": "\u2295", "or;": "\u2228", "orarr;": "\u21bb", "ord;": "\u2a5d", "order;": "\u2134", "orderof;": "\u2134", "ordf": "\xaa", "ordf;": "\xaa", "ordm": "\xba", "ordm;": "\xba", "origof;": "\u22b6", "oror;": "\u2a56", "orslope;": "\u2a57", "orv;": "\u2a5b", "oscr;": "\u2134", "oslash": "\xf8", "oslash;": "\xf8", "osol;": "\u2298", "otilde": "\xf5", "otilde;": "\xf5", "otimes;": "\u2297", "otimesas;": "\u2a36", "ouml": "\xf6", "ouml;": "\xf6", "ovbar;": "\u233d", "par;": "\u2225", "para": "\xb6", "para;": "\xb6", "parallel;": "\u2225", "parsim;": "\u2af3", "parsl;": "\u2afd", "part;": "\u2202", "pcy;": "\u043f", "percnt;": "%", "period;": ".", "permil;": "\u2030", "perp;": "\u22a5", "pertenk;": "\u2031", "pfr;": "\U0001d52d", "phi;": "\u03c6", "phiv;": "\u03d5", "phmmat;": "\u2133", "phone;": "\u260e", "pi;": "\u03c0", "pitchfork;": "\u22d4", "piv;": "\u03d6", "planck;": "\u210f", "planckh;": "\u210e", "plankv;": "\u210f", "plus;": "+", "plusacir;": "\u2a23", "plusb;": "\u229e", "pluscir;": "\u2a22", "plusdo;": "\u2214", "plusdu;": "\u2a25", "pluse;": "\u2a72", "plusmn": "\xb1", "plusmn;": "\xb1", "plussim;": "\u2a26", "plustwo;": "\u2a27", "pm;": "\xb1", "pointint;": "\u2a15", "popf;": "\U0001d561", "pound": "\xa3", "pound;": "\xa3", "pr;": "\u227a", "prE;": "\u2ab3", "prap;": "\u2ab7", "prcue;": "\u227c", "pre;": "\u2aaf", "prec;": "\u227a", "precapprox;": "\u2ab7", "preccurlyeq;": "\u227c", "preceq;": "\u2aaf", "precnapprox;": "\u2ab9", "precneqq;": "\u2ab5", "precnsim;": "\u22e8", "precsim;": "\u227e", "prime;": "\u2032", "primes;": "\u2119", "prnE;": "\u2ab5", "prnap;": "\u2ab9", "prnsim;": "\u22e8", "prod;": "\u220f", "profalar;": "\u232e", "profline;": "\u2312", "profsurf;": "\u2313", "prop;": "\u221d", "propto;": "\u221d", "prsim;": "\u227e", "prurel;": "\u22b0", "pscr;": "\U0001d4c5", "psi;": "\u03c8", "puncsp;": "\u2008", "qfr;": "\U0001d52e", "qint;": "\u2a0c", "qopf;": "\U0001d562", "qprime;": "\u2057", "qscr;": "\U0001d4c6", "quaternions;": "\u210d", "quatint;": "\u2a16", "quest;": "?", "questeq;": "\u225f", "quot": "\"", "quot;": "\"", "rAarr;": "\u21db", "rArr;": "\u21d2", "rAtail;": "\u291c", "rBarr;": "\u290f", "rHar;": "\u2964", "race;": "\u223d\u0331", "racute;": "\u0155", "radic;": "\u221a", "raemptyv;": "\u29b3", "rang;": "\u27e9", "rangd;": "\u2992", "range;": "\u29a5", "rangle;": "\u27e9", "raquo": "\xbb", "raquo;": "\xbb", "rarr;": "\u2192", "rarrap;": "\u2975", "rarrb;": "\u21e5", "rarrbfs;": "\u2920", "rarrc;": "\u2933", "rarrfs;": "\u291e", "rarrhk;": "\u21aa", "rarrlp;": "\u21ac", "rarrpl;": "\u2945", "rarrsim;": "\u2974", "rarrtl;": "\u21a3", "rarrw;": "\u219d", "ratail;": "\u291a", "ratio;": "\u2236", "rationals;": "\u211a", "rbarr;": "\u290d", "rbbrk;": "\u2773", "rbrace;": "}", "rbrack;": "]", "rbrke;": "\u298c", "rbrksld;": "\u298e", "rbrkslu;": "\u2990", "rcaron;": "\u0159", "rcedil;": "\u0157", "rceil;": "\u2309", "rcub;": "}", "rcy;": "\u0440", "rdca;": "\u2937", "rdldhar;": "\u2969", "rdquo;": "\u201d", "rdquor;": "\u201d", "rdsh;": "\u21b3", "real;": "\u211c", "realine;": "\u211b", "realpart;": "\u211c", "reals;": "\u211d", "rect;": "\u25ad", "reg": "\xae", "reg;": "\xae", "rfisht;": "\u297d", "rfloor;": "\u230b", "rfr;": "\U0001d52f", "rhard;": "\u21c1", "rharu;": "\u21c0", "rharul;": "\u296c", "rho;": "\u03c1", "rhov;": "\u03f1", "rightarrow;": "\u2192", "rightarrowtail;": "\u21a3", "rightharpoondown;": "\u21c1", "rightharpoonup;": "\u21c0", "rightleftarrows;": "\u21c4", "rightleftharpoons;": "\u21cc", "rightrightarrows;": "\u21c9", "rightsquigarrow;": "\u219d", "rightthreetimes;": "\u22cc", "ring;": "\u02da", "risingdotseq;": "\u2253", "rlarr;": "\u21c4", "rlhar;": "\u21cc", "rlm;": "\u200f", "rmoust;": "\u23b1", "rmoustache;": "\u23b1", "rnmid;": "\u2aee", "roang;": "\u27ed", "roarr;": "\u21fe", "robrk;": "\u27e7", "ropar;": "\u2986", "ropf;": "\U0001d563", "roplus;": "\u2a2e", "rotimes;": "\u2a35", "rpar;": ")", "rpargt;": "\u2994", "rppolint;": "\u2a12", "rrarr;": "\u21c9", "rsaquo;": "\u203a", "rscr;": "\U0001d4c7", "rsh;": "\u21b1", "rsqb;": "]", "rsquo;": "\u2019", "rsquor;": "\u2019", "rthree;": "\u22cc", "rtimes;": "\u22ca", "rtri;": "\u25b9", "rtrie;": "\u22b5", "rtrif;": "\u25b8", "rtriltri;": "\u29ce", "ruluhar;": "\u2968", "rx;": "\u211e", "sacute;": "\u015b", "sbquo;": "\u201a", "sc;": "\u227b", "scE;": "\u2ab4", "scap;": "\u2ab8", "scaron;": "\u0161", "sccue;": "\u227d", "sce;": "\u2ab0", "scedil;": "\u015f", "scirc;": "\u015d", "scnE;": "\u2ab6", "scnap;": "\u2aba", "scnsim;": "\u22e9", "scpolint;": "\u2a13", "scsim;": "\u227f", "scy;": "\u0441", "sdot;": "\u22c5", "sdotb;": "\u22a1", "sdote;": "\u2a66", "seArr;": "\u21d8", "searhk;": "\u2925", "searr;": "\u2198", "searrow;": "\u2198", "sect": "\xa7", "sect;": "\xa7", "semi;": ";", "seswar;": "\u2929", "setminus;": "\u2216", "setmn;": "\u2216", "sext;": "\u2736", "sfr;": "\U0001d530", "sfrown;": "\u2322", "sharp;": "\u266f", "shchcy;": "\u0449", "shcy;": "\u0448", "shortmid;": "\u2223", "shortparallel;": "\u2225", "shy": "\xad", "shy;": "\xad", "sigma;": "\u03c3", "sigmaf;": "\u03c2", "sigmav;": "\u03c2", "sim;": "\u223c", "simdot;": "\u2a6a", "sime;": "\u2243", "simeq;": "\u2243", "simg;": "\u2a9e", "simgE;": "\u2aa0", "siml;": "\u2a9d", "simlE;": "\u2a9f", "simne;": "\u2246", "simplus;": "\u2a24", "simrarr;": "\u2972", "slarr;": "\u2190", "smallsetminus;": "\u2216", "smashp;": "\u2a33", "smeparsl;": "\u29e4", "smid;": "\u2223", "smile;": "\u2323", "smt;": "\u2aaa", "smte;": "\u2aac", "smtes;": "\u2aac\ufe00", "softcy;": "\u044c", "sol;": "/", "solb;": "\u29c4", "solbar;": "\u233f", "sopf;": "\U0001d564", "spades;": "\u2660", "spadesuit;": "\u2660", "spar;": "\u2225", "sqcap;": "\u2293", "sqcaps;": "\u2293\ufe00", "sqcup;": "\u2294", "sqcups;": "\u2294\ufe00", "sqsub;": "\u228f", "sqsube;": "\u2291", "sqsubset;": "\u228f", "sqsubseteq;": "\u2291", "sqsup;": "\u2290", "sqsupe;": "\u2292", "sqsupset;": "\u2290", "sqsupseteq;": "\u2292", "squ;": "\u25a1", "square;": "\u25a1", "squarf;": "\u25aa", "squf;": "\u25aa", "srarr;": "\u2192", "sscr;": "\U0001d4c8", "ssetmn;": "\u2216", "ssmile;": "\u2323", "sstarf;": "\u22c6", "star;": "\u2606", "starf;": "\u2605", "straightepsilon;": "\u03f5", "straightphi;": "\u03d5", "strns;": "\xaf", "sub;": "\u2282", "subE;": "\u2ac5", "subdot;": "\u2abd", "sube;": "\u2286", "subedot;": "\u2ac3", "submult;": "\u2ac1", "subnE;": "\u2acb", "subne;": "\u228a", "subplus;": "\u2abf", "subrarr;": "\u2979", "subset;": "\u2282", "subseteq;": "\u2286", "subseteqq;": "\u2ac5", "subsetneq;": "\u228a", "subsetneqq;": "\u2acb", "subsim;": "\u2ac7", "subsub;": "\u2ad5", "subsup;": "\u2ad3", "succ;": "\u227b", "succapprox;": "\u2ab8", "succcurlyeq;": "\u227d", "succeq;": "\u2ab0", "succnapprox;": "\u2aba", "succneqq;": "\u2ab6", "succnsim;": "\u22e9", "succsim;": "\u227f", "sum;": "\u2211", "sung;": "\u266a", "sup1": "\xb9", "sup1;": "\xb9", "sup2": "\xb2", "sup2;": "\xb2", "sup3": "\xb3", "sup3;": "\xb3", "sup;": "\u2283", "supE;": "\u2ac6", "supdot;": "\u2abe", "supdsub;": "\u2ad8", "supe;": "\u2287", "supedot;": "\u2ac4", "suphsol;": "\u27c9", "suphsub;": "\u2ad7", "suplarr;": "\u297b", "supmult;": "\u2ac2", "supnE;": "\u2acc", "supne;": "\u228b", "supplus;": "\u2ac0", "supset;": "\u2283", "supseteq;": "\u2287", "supseteqq;": "\u2ac6", "supsetneq;": "\u228b", "supsetneqq;": "\u2acc", "supsim;": "\u2ac8", "supsub;": "\u2ad4", "supsup;": "\u2ad6", "swArr;": "\u21d9", "swarhk;": "\u2926", "swarr;": "\u2199", "swarrow;": "\u2199", "swnwar;": "\u292a", "szlig": "\xdf", "szlig;": "\xdf", "target;": "\u2316", "tau;": "\u03c4", "tbrk;": "\u23b4", "tcaron;": "\u0165", "tcedil;": "\u0163", "tcy;": "\u0442", "tdot;": "\u20db", "telrec;": "\u2315", "tfr;": "\U0001d531", "there4;": "\u2234", "therefore;": "\u2234", "theta;": "\u03b8", "thetasym;": "\u03d1", "thetav;": "\u03d1", "thickapprox;": "\u2248", "thicksim;": "\u223c", "thinsp;": "\u2009", "thkap;": "\u2248", "thksim;": "\u223c", "thorn": "\xfe", "thorn;": "\xfe", "tilde;": "\u02dc", "times": "\xd7", "times;": "\xd7", "timesb;": "\u22a0", "timesbar;": "\u2a31", "timesd;": "\u2a30", "tint;": "\u222d", "toea;": "\u2928", "top;": "\u22a4", "topbot;": "\u2336", "topcir;": "\u2af1", "topf;": "\U0001d565", "topfork;": "\u2ada", "tosa;": "\u2929", "tprime;": "\u2034", "trade;": "\u2122", "triangle;": "\u25b5", "triangledown;": "\u25bf", "triangleleft;": "\u25c3", "trianglelefteq;": "\u22b4", "triangleq;": "\u225c", "triangleright;": "\u25b9", "trianglerighteq;": "\u22b5", "tridot;": "\u25ec", "trie;": "\u225c", "triminus;": "\u2a3a", "triplus;": "\u2a39", "trisb;": "\u29cd", "tritime;": "\u2a3b", "trpezium;": "\u23e2", "tscr;": "\U0001d4c9", "tscy;": "\u0446", "tshcy;": "\u045b", "tstrok;": "\u0167", "twixt;": "\u226c", "twoheadleftarrow;": "\u219e", "twoheadrightarrow;": "\u21a0", "uArr;": "\u21d1", "uHar;": "\u2963", "uacute": "\xfa", "uacute;": "\xfa", "uarr;": "\u2191", "ubrcy;": "\u045e", "ubreve;": "\u016d", "ucirc": "\xfb", "ucirc;": "\xfb", "ucy;": "\u0443", "udarr;": "\u21c5", "udblac;": "\u0171", "udhar;": "\u296e", "ufisht;": "\u297e", "ufr;": "\U0001d532", "ugrave": "\xf9", "ugrave;": "\xf9", "uharl;": "\u21bf", "uharr;": "\u21be", "uhblk;": "\u2580", "ulcorn;": "\u231c", "ulcorner;": "\u231c", "ulcrop;": "\u230f", "ultri;": "\u25f8", "umacr;": "\u016b", "uml": "\xa8", "uml;": "\xa8", "uogon;": "\u0173", "uopf;": "\U0001d566", "uparrow;": "\u2191", "updownarrow;": "\u2195", "upharpoonleft;": "\u21bf", "upharpoonright;": "\u21be", "uplus;": "\u228e", "upsi;": "\u03c5", "upsih;": "\u03d2", "upsilon;": "\u03c5", "upuparrows;": "\u21c8", "urcorn;": "\u231d", "urcorner;": "\u231d", "urcrop;": "\u230e", "uring;": "\u016f", "urtri;": "\u25f9", "uscr;": "\U0001d4ca", "utdot;": "\u22f0", "utilde;": "\u0169", "utri;": "\u25b5", "utrif;": "\u25b4", "uuarr;": "\u21c8", "uuml": "\xfc", "uuml;": "\xfc", "uwangle;": "\u29a7", "vArr;": "\u21d5", "vBar;": "\u2ae8", "vBarv;": "\u2ae9", "vDash;": "\u22a8", "vangrt;": "\u299c", "varepsilon;": "\u03f5", "varkappa;": "\u03f0", "varnothing;": "\u2205", "varphi;": "\u03d5", "varpi;": "\u03d6", "varpropto;": "\u221d", "varr;": "\u2195", "varrho;": "\u03f1", "varsigma;": "\u03c2", "varsubsetneq;": "\u228a\ufe00", "varsubsetneqq;": "\u2acb\ufe00", "varsupsetneq;": "\u228b\ufe00", "varsupsetneqq;": "\u2acc\ufe00", "vartheta;": "\u03d1", "vartriangleleft;": "\u22b2", "vartriangleright;": "\u22b3", "vcy;": "\u0432", "vdash;": "\u22a2", "vee;": "\u2228", "veebar;": "\u22bb", "veeeq;": "\u225a", "vellip;": "\u22ee", "verbar;": "|", "vert;": "|", "vfr;": "\U0001d533", "vltri;": "\u22b2", "vnsub;": "\u2282\u20d2", "vnsup;": "\u2283\u20d2", "vopf;": "\U0001d567", "vprop;": "\u221d", "vrtri;": "\u22b3", "vscr;": "\U0001d4cb", "vsubnE;": "\u2acb\ufe00", "vsubne;": "\u228a\ufe00", "vsupnE;": "\u2acc\ufe00", "vsupne;": "\u228b\ufe00", "vzigzag;": "\u299a", "wcirc;": "\u0175", "wedbar;": "\u2a5f", "wedge;": "\u2227", "wedgeq;": "\u2259", "weierp;": "\u2118", "wfr;": "\U0001d534", "wopf;": "\U0001d568", "wp;": "\u2118", "wr;": "\u2240", "wreath;": "\u2240", "wscr;": "\U0001d4cc", "xcap;": "\u22c2", "xcirc;": "\u25ef", "xcup;": "\u22c3", "xdtri;": "\u25bd", "xfr;": "\U0001d535", "xhArr;": "\u27fa", "xharr;": "\u27f7", "xi;": "\u03be", "xlArr;": "\u27f8", "xlarr;": "\u27f5", "xmap;": "\u27fc", "xnis;": "\u22fb", "xodot;": "\u2a00", "xopf;": "\U0001d569", "xoplus;": "\u2a01", "xotime;": "\u2a02", "xrArr;": "\u27f9", "xrarr;": "\u27f6", "xscr;": "\U0001d4cd", "xsqcup;": "\u2a06", "xuplus;": "\u2a04", "xutri;": "\u25b3", "xvee;": "\u22c1", "xwedge;": "\u22c0", "yacute": "\xfd", "yacute;": "\xfd", "yacy;": "\u044f", "ycirc;": "\u0177", "ycy;": "\u044b", "yen": "\xa5", "yen;": "\xa5", "yfr;": "\U0001d536", "yicy;": "\u0457", "yopf;": "\U0001d56a", "yscr;": "\U0001d4ce", "yucy;": "\u044e", "yuml": "\xff", "yuml;": "\xff", "zacute;": "\u017a", "zcaron;": "\u017e", "zcy;": "\u0437", "zdot;": "\u017c", "zeetrf;": "\u2128", "zeta;": "\u03b6", "zfr;": "\U0001d537", "zhcy;": "\u0436", "zigrarr;": "\u21dd", "zopf;": "\U0001d56b", "zscr;": "\U0001d4cf", "zwj;": "\u200d", "zwnj;": "\u200c", } replacementCharacters = { 0x0: "\uFFFD", 0x0d: "\u000D", 0x80: "\u20AC", 0x81: "\u0081", 0x82: "\u201A", 0x83: "\u0192", 0x84: "\u201E", 0x85: "\u2026", 0x86: "\u2020", 0x87: "\u2021", 0x88: "\u02C6", 0x89: "\u2030", 0x8A: "\u0160", 0x8B: "\u2039", 0x8C: "\u0152", 0x8D: "\u008D", 0x8E: "\u017D", 0x8F: "\u008F", 0x90: "\u0090", 0x91: "\u2018", 0x92: "\u2019", 0x93: "\u201C", 0x94: "\u201D", 0x95: "\u2022", 0x96: "\u2013", 0x97: "\u2014", 0x98: "\u02DC", 0x99: "\u2122", 0x9A: "\u0161", 0x9B: "\u203A", 0x9C: "\u0153", 0x9D: "\u009D", 0x9E: "\u017E", 0x9F: "\u0178", } tokenTypes = { "Doctype": 0, "Characters": 1, "SpaceCharacters": 2, "StartTag": 3, "EndTag": 4, "EmptyTag": 5, "Comment": 6, "ParseError": 7 } tagTokenTypes = frozenset([tokenTypes["StartTag"], tokenTypes["EndTag"], tokenTypes["EmptyTag"]]) prefixes = {v: k for k, v in namespaces.items()} prefixes["http://www.w3.org/1998/Math/MathML"] = "math" class DataLossWarning(UserWarning): """Raised when the current tree is unable to represent the input data""" pass class _ReparseException(Exception): pass _vendor/html5lib/html5parser.py 0000644 00000344702 15114542003 0012545 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import with_metaclass, viewkeys import types from . import _inputstream from . import _tokenizer from . import treebuilders from .treebuilders.base import Marker from . import _utils from .constants import ( spaceCharacters, asciiUpper2Lower, specialElements, headingElements, cdataElements, rcdataElements, tokenTypes, tagTokenTypes, namespaces, htmlIntegrationPointElements, mathmlTextIntegrationPointElements, adjustForeignAttributes as adjustForeignAttributesMap, adjustMathMLAttributes, adjustSVGAttributes, E, _ReparseException ) def parse(doc, treebuilder="etree", namespaceHTMLElements=True, **kwargs): """Parse an HTML document as a string or file-like object into a tree :arg doc: the document to parse as a string or file-like object :arg treebuilder: the treebuilder to use when parsing :arg namespaceHTMLElements: whether or not to namespace HTML elements :returns: parsed tree Example: >>> from html5lib.html5parser import parse >>> parse('<html><body><p>This is a doc</p></body></html>') <Element u'{http://www.w3.org/1999/xhtml}html' at 0x7feac4909db0> """ tb = treebuilders.getTreeBuilder(treebuilder) p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements) return p.parse(doc, **kwargs) def parseFragment(doc, container="div", treebuilder="etree", namespaceHTMLElements=True, **kwargs): """Parse an HTML fragment as a string or file-like object into a tree :arg doc: the fragment to parse as a string or file-like object :arg container: the container context to parse the fragment in :arg treebuilder: the treebuilder to use when parsing :arg namespaceHTMLElements: whether or not to namespace HTML elements :returns: parsed tree Example: >>> from html5lib.html5libparser import parseFragment >>> parseFragment('<b>this is a fragment</b>') <Element u'DOCUMENT_FRAGMENT' at 0x7feac484b090> """ tb = treebuilders.getTreeBuilder(treebuilder) p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements) return p.parseFragment(doc, container=container, **kwargs) def method_decorator_metaclass(function): class Decorated(type): def __new__(meta, classname, bases, classDict): for attributeName, attribute in classDict.items(): if isinstance(attribute, types.FunctionType): attribute = function(attribute) classDict[attributeName] = attribute return type.__new__(meta, classname, bases, classDict) return Decorated class HTMLParser(object): """HTML parser Generates a tree structure from a stream of (possibly malformed) HTML. """ def __init__(self, tree=None, strict=False, namespaceHTMLElements=True, debug=False): """ :arg tree: a treebuilder class controlling the type of tree that will be returned. Built in treebuilders can be accessed through html5lib.treebuilders.getTreeBuilder(treeType) :arg strict: raise an exception when a parse error is encountered :arg namespaceHTMLElements: whether or not to namespace HTML elements :arg debug: whether or not to enable debug mode which logs things Example: >>> from html5lib.html5parser import HTMLParser >>> parser = HTMLParser() # generates parser with etree builder >>> parser = HTMLParser('lxml', strict=True) # generates parser with lxml builder which is strict """ # Raise an exception on the first error encountered self.strict = strict if tree is None: tree = treebuilders.getTreeBuilder("etree") self.tree = tree(namespaceHTMLElements) self.errors = [] self.phases = {name: cls(self, self.tree) for name, cls in getPhases(debug).items()} def _parse(self, stream, innerHTML=False, container="div", scripting=False, **kwargs): self.innerHTMLMode = innerHTML self.container = container self.scripting = scripting self.tokenizer = _tokenizer.HTMLTokenizer(stream, parser=self, **kwargs) self.reset() try: self.mainLoop() except _ReparseException: self.reset() self.mainLoop() def reset(self): self.tree.reset() self.firstStartTag = False self.errors = [] self.log = [] # only used with debug mode # "quirks" / "limited quirks" / "no quirks" self.compatMode = "no quirks" if self.innerHTMLMode: self.innerHTML = self.container.lower() if self.innerHTML in cdataElements: self.tokenizer.state = self.tokenizer.rcdataState elif self.innerHTML in rcdataElements: self.tokenizer.state = self.tokenizer.rawtextState elif self.innerHTML == 'plaintext': self.tokenizer.state = self.tokenizer.plaintextState else: # state already is data state # self.tokenizer.state = self.tokenizer.dataState pass self.phase = self.phases["beforeHtml"] self.phase.insertHtmlElement() self.resetInsertionMode() else: self.innerHTML = False # pylint:disable=redefined-variable-type self.phase = self.phases["initial"] self.lastPhase = None self.beforeRCDataPhase = None self.framesetOK = True @property def documentEncoding(self): """Name of the character encoding that was used to decode the input stream, or :obj:`None` if that is not determined yet """ if not hasattr(self, 'tokenizer'): return None return self.tokenizer.stream.charEncoding[0].name def isHTMLIntegrationPoint(self, element): if (element.name == "annotation-xml" and element.namespace == namespaces["mathml"]): return ("encoding" in element.attributes and element.attributes["encoding"].translate( asciiUpper2Lower) in ("text/html", "application/xhtml+xml")) else: return (element.namespace, element.name) in htmlIntegrationPointElements def isMathMLTextIntegrationPoint(self, element): return (element.namespace, element.name) in mathmlTextIntegrationPointElements def mainLoop(self): CharactersToken = tokenTypes["Characters"] SpaceCharactersToken = tokenTypes["SpaceCharacters"] StartTagToken = tokenTypes["StartTag"] EndTagToken = tokenTypes["EndTag"] CommentToken = tokenTypes["Comment"] DoctypeToken = tokenTypes["Doctype"] ParseErrorToken = tokenTypes["ParseError"] for token in self.tokenizer: prev_token = None new_token = token while new_token is not None: prev_token = new_token currentNode = self.tree.openElements[-1] if self.tree.openElements else None currentNodeNamespace = currentNode.namespace if currentNode else None currentNodeName = currentNode.name if currentNode else None type = new_token["type"] if type == ParseErrorToken: self.parseError(new_token["data"], new_token.get("datavars", {})) new_token = None else: if (len(self.tree.openElements) == 0 or currentNodeNamespace == self.tree.defaultNamespace or (self.isMathMLTextIntegrationPoint(currentNode) and ((type == StartTagToken and token["name"] not in frozenset(["mglyph", "malignmark"])) or type in (CharactersToken, SpaceCharactersToken))) or (currentNodeNamespace == namespaces["mathml"] and currentNodeName == "annotation-xml" and type == StartTagToken and token["name"] == "svg") or (self.isHTMLIntegrationPoint(currentNode) and type in (StartTagToken, CharactersToken, SpaceCharactersToken))): phase = self.phase else: phase = self.phases["inForeignContent"] if type == CharactersToken: new_token = phase.processCharacters(new_token) elif type == SpaceCharactersToken: new_token = phase.processSpaceCharacters(new_token) elif type == StartTagToken: new_token = phase.processStartTag(new_token) elif type == EndTagToken: new_token = phase.processEndTag(new_token) elif type == CommentToken: new_token = phase.processComment(new_token) elif type == DoctypeToken: new_token = phase.processDoctype(new_token) if (type == StartTagToken and prev_token["selfClosing"] and not prev_token["selfClosingAcknowledged"]): self.parseError("non-void-element-with-trailing-solidus", {"name": prev_token["name"]}) # When the loop finishes it's EOF reprocess = True phases = [] while reprocess: phases.append(self.phase) reprocess = self.phase.processEOF() if reprocess: assert self.phase not in phases def parse(self, stream, *args, **kwargs): """Parse a HTML document into a well-formed tree :arg stream: a file-like object or string containing the HTML to be parsed The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element). :arg scripting: treat noscript elements as if JavaScript was turned on :returns: parsed tree Example: >>> from html5lib.html5parser import HTMLParser >>> parser = HTMLParser() >>> parser.parse('<html><body><p>This is a doc</p></body></html>') <Element u'{http://www.w3.org/1999/xhtml}html' at 0x7feac4909db0> """ self._parse(stream, False, None, *args, **kwargs) return self.tree.getDocument() def parseFragment(self, stream, *args, **kwargs): """Parse a HTML fragment into a well-formed tree fragment :arg container: name of the element we're setting the innerHTML property if set to None, default to 'div' :arg stream: a file-like object or string containing the HTML to be parsed The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element) :arg scripting: treat noscript elements as if JavaScript was turned on :returns: parsed tree Example: >>> from html5lib.html5libparser import HTMLParser >>> parser = HTMLParser() >>> parser.parseFragment('<b>this is a fragment</b>') <Element u'DOCUMENT_FRAGMENT' at 0x7feac484b090> """ self._parse(stream, True, *args, **kwargs) return self.tree.getFragment() def parseError(self, errorcode="XXX-undefined-error", datavars=None): # XXX The idea is to make errorcode mandatory. if datavars is None: datavars = {} self.errors.append((self.tokenizer.stream.position(), errorcode, datavars)) if self.strict: raise ParseError(E[errorcode] % datavars) def adjustMathMLAttributes(self, token): adjust_attributes(token, adjustMathMLAttributes) def adjustSVGAttributes(self, token): adjust_attributes(token, adjustSVGAttributes) def adjustForeignAttributes(self, token): adjust_attributes(token, adjustForeignAttributesMap) def reparseTokenNormal(self, token): # pylint:disable=unused-argument self.parser.phase() def resetInsertionMode(self): # The name of this method is mostly historical. (It's also used in the # specification.) last = False newModes = { "select": "inSelect", "td": "inCell", "th": "inCell", "tr": "inRow", "tbody": "inTableBody", "thead": "inTableBody", "tfoot": "inTableBody", "caption": "inCaption", "colgroup": "inColumnGroup", "table": "inTable", "head": "inBody", "body": "inBody", "frameset": "inFrameset", "html": "beforeHead" } for node in self.tree.openElements[::-1]: nodeName = node.name new_phase = None if node == self.tree.openElements[0]: assert self.innerHTML last = True nodeName = self.innerHTML # Check for conditions that should only happen in the innerHTML # case if nodeName in ("select", "colgroup", "head", "html"): assert self.innerHTML if not last and node.namespace != self.tree.defaultNamespace: continue if nodeName in newModes: new_phase = self.phases[newModes[nodeName]] break elif last: new_phase = self.phases["inBody"] break self.phase = new_phase def parseRCDataRawtext(self, token, contentType): # Generic RCDATA/RAWTEXT Parsing algorithm assert contentType in ("RAWTEXT", "RCDATA") self.tree.insertElement(token) if contentType == "RAWTEXT": self.tokenizer.state = self.tokenizer.rawtextState else: self.tokenizer.state = self.tokenizer.rcdataState self.originalPhase = self.phase self.phase = self.phases["text"] @_utils.memoize def getPhases(debug): def log(function): """Logger that records which phase processes each token""" type_names = {value: key for key, value in tokenTypes.items()} def wrapped(self, *args, **kwargs): if function.__name__.startswith("process") and len(args) > 0: token = args[0] info = {"type": type_names[token['type']]} if token['type'] in tagTokenTypes: info["name"] = token['name'] self.parser.log.append((self.parser.tokenizer.state.__name__, self.parser.phase.__class__.__name__, self.__class__.__name__, function.__name__, info)) return function(self, *args, **kwargs) else: return function(self, *args, **kwargs) return wrapped def getMetaclass(use_metaclass, metaclass_func): if use_metaclass: return method_decorator_metaclass(metaclass_func) else: return type # pylint:disable=unused-argument class Phase(with_metaclass(getMetaclass(debug, log))): """Base class for helper object that implements each phase of processing """ __slots__ = ("parser", "tree", "__startTagCache", "__endTagCache") def __init__(self, parser, tree): self.parser = parser self.tree = tree self.__startTagCache = {} self.__endTagCache = {} def processEOF(self): raise NotImplementedError def processComment(self, token): # For most phases the following is correct. Where it's not it will be # overridden. self.tree.insertComment(token, self.tree.openElements[-1]) def processDoctype(self, token): self.parser.parseError("unexpected-doctype") def processCharacters(self, token): self.tree.insertText(token["data"]) def processSpaceCharacters(self, token): self.tree.insertText(token["data"]) def processStartTag(self, token): # Note the caching is done here rather than BoundMethodDispatcher as doing it there # requires a circular reference to the Phase, and this ends up with a significant # (CPython 2.7, 3.8) GC cost when parsing many short inputs name = token["name"] # In Py2, using `in` is quicker in general than try/except KeyError # In Py3, `in` is quicker when there are few cache hits (typically short inputs) if name in self.__startTagCache: func = self.__startTagCache[name] else: func = self.__startTagCache[name] = self.startTagHandler[name] # bound the cache size in case we get loads of unknown tags while len(self.__startTagCache) > len(self.startTagHandler) * 1.1: # this makes the eviction policy random on Py < 3.7 and FIFO >= 3.7 self.__startTagCache.pop(next(iter(self.__startTagCache))) return func(token) def startTagHtml(self, token): if not self.parser.firstStartTag and token["name"] == "html": self.parser.parseError("non-html-root") # XXX Need a check here to see if the first start tag token emitted is # this token... If it's not, invoke self.parser.parseError(). for attr, value in token["data"].items(): if attr not in self.tree.openElements[0].attributes: self.tree.openElements[0].attributes[attr] = value self.parser.firstStartTag = False def processEndTag(self, token): # Note the caching is done here rather than BoundMethodDispatcher as doing it there # requires a circular reference to the Phase, and this ends up with a significant # (CPython 2.7, 3.8) GC cost when parsing many short inputs name = token["name"] # In Py2, using `in` is quicker in general than try/except KeyError # In Py3, `in` is quicker when there are few cache hits (typically short inputs) if name in self.__endTagCache: func = self.__endTagCache[name] else: func = self.__endTagCache[name] = self.endTagHandler[name] # bound the cache size in case we get loads of unknown tags while len(self.__endTagCache) > len(self.endTagHandler) * 1.1: # this makes the eviction policy random on Py < 3.7 and FIFO >= 3.7 self.__endTagCache.pop(next(iter(self.__endTagCache))) return func(token) class InitialPhase(Phase): __slots__ = tuple() def processSpaceCharacters(self, token): pass def processComment(self, token): self.tree.insertComment(token, self.tree.document) def processDoctype(self, token): name = token["name"] publicId = token["publicId"] systemId = token["systemId"] correct = token["correct"] if (name != "html" or publicId is not None or systemId is not None and systemId != "about:legacy-compat"): self.parser.parseError("unknown-doctype") if publicId is None: publicId = "" self.tree.insertDoctype(token) if publicId != "": publicId = publicId.translate(asciiUpper2Lower) if (not correct or token["name"] != "html" or publicId.startswith( ("+//silmaril//dtd html pro v0r11 19970101//", "-//advasoft ltd//dtd html 3.0 aswedit + extensions//", "-//as//dtd html 3.0 aswedit + extensions//", "-//ietf//dtd html 2.0 level 1//", "-//ietf//dtd html 2.0 level 2//", "-//ietf//dtd html 2.0 strict level 1//", "-//ietf//dtd html 2.0 strict level 2//", "-//ietf//dtd html 2.0 strict//", "-//ietf//dtd html 2.0//", "-//ietf//dtd html 2.1e//", "-//ietf//dtd html 3.0//", "-//ietf//dtd html 3.2 final//", "-//ietf//dtd html 3.2//", "-//ietf//dtd html 3//", "-//ietf//dtd html level 0//", "-//ietf//dtd html level 1//", "-//ietf//dtd html level 2//", "-//ietf//dtd html level 3//", "-//ietf//dtd html strict level 0//", "-//ietf//dtd html strict level 1//", "-//ietf//dtd html strict level 2//", "-//ietf//dtd html strict level 3//", "-//ietf//dtd html strict//", "-//ietf//dtd html//", "-//metrius//dtd metrius presentational//", "-//microsoft//dtd internet explorer 2.0 html strict//", "-//microsoft//dtd internet explorer 2.0 html//", "-//microsoft//dtd internet explorer 2.0 tables//", "-//microsoft//dtd internet explorer 3.0 html strict//", "-//microsoft//dtd internet explorer 3.0 html//", "-//microsoft//dtd internet explorer 3.0 tables//", "-//netscape comm. corp.//dtd html//", "-//netscape comm. corp.//dtd strict html//", "-//o'reilly and associates//dtd html 2.0//", "-//o'reilly and associates//dtd html extended 1.0//", "-//o'reilly and associates//dtd html extended relaxed 1.0//", "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//", "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//", "-//spyglass//dtd html 2.0 extended//", "-//sq//dtd html 2.0 hotmetal + extensions//", "-//sun microsystems corp.//dtd hotjava html//", "-//sun microsystems corp.//dtd hotjava strict html//", "-//w3c//dtd html 3 1995-03-24//", "-//w3c//dtd html 3.2 draft//", "-//w3c//dtd html 3.2 final//", "-//w3c//dtd html 3.2//", "-//w3c//dtd html 3.2s draft//", "-//w3c//dtd html 4.0 frameset//", "-//w3c//dtd html 4.0 transitional//", "-//w3c//dtd html experimental 19960712//", "-//w3c//dtd html experimental 970421//", "-//w3c//dtd w3 html//", "-//w3o//dtd w3 html 3.0//", "-//webtechs//dtd mozilla html 2.0//", "-//webtechs//dtd mozilla html//")) or publicId in ("-//w3o//dtd w3 html strict 3.0//en//", "-/w3c/dtd html 4.0 transitional/en", "html") or publicId.startswith( ("-//w3c//dtd html 4.01 frameset//", "-//w3c//dtd html 4.01 transitional//")) and systemId is None or systemId and systemId.lower() == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd"): self.parser.compatMode = "quirks" elif (publicId.startswith( ("-//w3c//dtd xhtml 1.0 frameset//", "-//w3c//dtd xhtml 1.0 transitional//")) or publicId.startswith( ("-//w3c//dtd html 4.01 frameset//", "-//w3c//dtd html 4.01 transitional//")) and systemId is not None): self.parser.compatMode = "limited quirks" self.parser.phase = self.parser.phases["beforeHtml"] def anythingElse(self): self.parser.compatMode = "quirks" self.parser.phase = self.parser.phases["beforeHtml"] def processCharacters(self, token): self.parser.parseError("expected-doctype-but-got-chars") self.anythingElse() return token def processStartTag(self, token): self.parser.parseError("expected-doctype-but-got-start-tag", {"name": token["name"]}) self.anythingElse() return token def processEndTag(self, token): self.parser.parseError("expected-doctype-but-got-end-tag", {"name": token["name"]}) self.anythingElse() return token def processEOF(self): self.parser.parseError("expected-doctype-but-got-eof") self.anythingElse() return True class BeforeHtmlPhase(Phase): __slots__ = tuple() # helper methods def insertHtmlElement(self): self.tree.insertRoot(impliedTagToken("html", "StartTag")) self.parser.phase = self.parser.phases["beforeHead"] # other def processEOF(self): self.insertHtmlElement() return True def processComment(self, token): self.tree.insertComment(token, self.tree.document) def processSpaceCharacters(self, token): pass def processCharacters(self, token): self.insertHtmlElement() return token def processStartTag(self, token): if token["name"] == "html": self.parser.firstStartTag = True self.insertHtmlElement() return token def processEndTag(self, token): if token["name"] not in ("head", "body", "html", "br"): self.parser.parseError("unexpected-end-tag-before-html", {"name": token["name"]}) else: self.insertHtmlElement() return token class BeforeHeadPhase(Phase): __slots__ = tuple() def processEOF(self): self.startTagHead(impliedTagToken("head", "StartTag")) return True def processSpaceCharacters(self, token): pass def processCharacters(self, token): self.startTagHead(impliedTagToken("head", "StartTag")) return token def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagHead(self, token): self.tree.insertElement(token) self.tree.headPointer = self.tree.openElements[-1] self.parser.phase = self.parser.phases["inHead"] def startTagOther(self, token): self.startTagHead(impliedTagToken("head", "StartTag")) return token def endTagImplyHead(self, token): self.startTagHead(impliedTagToken("head", "StartTag")) return token def endTagOther(self, token): self.parser.parseError("end-tag-after-implied-root", {"name": token["name"]}) startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml), ("head", startTagHead) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ (("head", "body", "html", "br"), endTagImplyHead) ]) endTagHandler.default = endTagOther class InHeadPhase(Phase): __slots__ = tuple() # the real thing def processEOF(self): self.anythingElse() return True def processCharacters(self, token): self.anythingElse() return token def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagHead(self, token): self.parser.parseError("two-heads-are-not-better-than-one") def startTagBaseLinkCommand(self, token): self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def startTagMeta(self, token): self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True attributes = token["data"] if self.parser.tokenizer.stream.charEncoding[1] == "tentative": if "charset" in attributes: self.parser.tokenizer.stream.changeEncoding(attributes["charset"]) elif ("content" in attributes and "http-equiv" in attributes and attributes["http-equiv"].lower() == "content-type"): # Encoding it as UTF-8 here is a hack, as really we should pass # the abstract Unicode string, and just use the # ContentAttrParser on that, but using UTF-8 allows all chars # to be encoded and as a ASCII-superset works. data = _inputstream.EncodingBytes(attributes["content"].encode("utf-8")) parser = _inputstream.ContentAttrParser(data) codec = parser.parse() self.parser.tokenizer.stream.changeEncoding(codec) def startTagTitle(self, token): self.parser.parseRCDataRawtext(token, "RCDATA") def startTagNoFramesStyle(self, token): # Need to decide whether to implement the scripting-disabled case self.parser.parseRCDataRawtext(token, "RAWTEXT") def startTagNoscript(self, token): if self.parser.scripting: self.parser.parseRCDataRawtext(token, "RAWTEXT") else: self.tree.insertElement(token) self.parser.phase = self.parser.phases["inHeadNoscript"] def startTagScript(self, token): self.tree.insertElement(token) self.parser.tokenizer.state = self.parser.tokenizer.scriptDataState self.parser.originalPhase = self.parser.phase self.parser.phase = self.parser.phases["text"] def startTagOther(self, token): self.anythingElse() return token def endTagHead(self, token): node = self.parser.tree.openElements.pop() assert node.name == "head", "Expected head got %s" % node.name self.parser.phase = self.parser.phases["afterHead"] def endTagHtmlBodyBr(self, token): self.anythingElse() return token def endTagOther(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def anythingElse(self): self.endTagHead(impliedTagToken("head")) startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml), ("title", startTagTitle), (("noframes", "style"), startTagNoFramesStyle), ("noscript", startTagNoscript), ("script", startTagScript), (("base", "basefont", "bgsound", "command", "link"), startTagBaseLinkCommand), ("meta", startTagMeta), ("head", startTagHead) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("head", endTagHead), (("br", "html", "body"), endTagHtmlBodyBr) ]) endTagHandler.default = endTagOther class InHeadNoscriptPhase(Phase): __slots__ = tuple() def processEOF(self): self.parser.parseError("eof-in-head-noscript") self.anythingElse() return True def processComment(self, token): return self.parser.phases["inHead"].processComment(token) def processCharacters(self, token): self.parser.parseError("char-in-head-noscript") self.anythingElse() return token def processSpaceCharacters(self, token): return self.parser.phases["inHead"].processSpaceCharacters(token) def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagBaseLinkCommand(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagHeadNoscript(self, token): self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) def startTagOther(self, token): self.parser.parseError("unexpected-inhead-noscript-tag", {"name": token["name"]}) self.anythingElse() return token def endTagNoscript(self, token): node = self.parser.tree.openElements.pop() assert node.name == "noscript", "Expected noscript got %s" % node.name self.parser.phase = self.parser.phases["inHead"] def endTagBr(self, token): self.parser.parseError("unexpected-inhead-noscript-tag", {"name": token["name"]}) self.anythingElse() return token def endTagOther(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def anythingElse(self): # Caller must raise parse error first! self.endTagNoscript(impliedTagToken("noscript")) startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml), (("basefont", "bgsound", "link", "meta", "noframes", "style"), startTagBaseLinkCommand), (("head", "noscript"), startTagHeadNoscript), ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("noscript", endTagNoscript), ("br", endTagBr), ]) endTagHandler.default = endTagOther class AfterHeadPhase(Phase): __slots__ = tuple() def processEOF(self): self.anythingElse() return True def processCharacters(self, token): self.anythingElse() return token def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagBody(self, token): self.parser.framesetOK = False self.tree.insertElement(token) self.parser.phase = self.parser.phases["inBody"] def startTagFrameset(self, token): self.tree.insertElement(token) self.parser.phase = self.parser.phases["inFrameset"] def startTagFromHead(self, token): self.parser.parseError("unexpected-start-tag-out-of-my-head", {"name": token["name"]}) self.tree.openElements.append(self.tree.headPointer) self.parser.phases["inHead"].processStartTag(token) for node in self.tree.openElements[::-1]: if node.name == "head": self.tree.openElements.remove(node) break def startTagHead(self, token): self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) def startTagOther(self, token): self.anythingElse() return token def endTagHtmlBodyBr(self, token): self.anythingElse() return token def endTagOther(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def anythingElse(self): self.tree.insertElement(impliedTagToken("body", "StartTag")) self.parser.phase = self.parser.phases["inBody"] self.parser.framesetOK = True startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml), ("body", startTagBody), ("frameset", startTagFrameset), (("base", "basefont", "bgsound", "link", "meta", "noframes", "script", "style", "title"), startTagFromHead), ("head", startTagHead) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([(("body", "html", "br"), endTagHtmlBodyBr)]) endTagHandler.default = endTagOther class InBodyPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#parsing-main-inbody # the really-really-really-very crazy mode __slots__ = ("processSpaceCharacters",) def __init__(self, *args, **kwargs): super(InBodyPhase, self).__init__(*args, **kwargs) # Set this to the default handler self.processSpaceCharacters = self.processSpaceCharactersNonPre def isMatchingFormattingElement(self, node1, node2): return (node1.name == node2.name and node1.namespace == node2.namespace and node1.attributes == node2.attributes) # helper def addFormattingElement(self, token): self.tree.insertElement(token) element = self.tree.openElements[-1] matchingElements = [] for node in self.tree.activeFormattingElements[::-1]: if node is Marker: break elif self.isMatchingFormattingElement(node, element): matchingElements.append(node) assert len(matchingElements) <= 3 if len(matchingElements) == 3: self.tree.activeFormattingElements.remove(matchingElements[-1]) self.tree.activeFormattingElements.append(element) # the real deal def processEOF(self): allowed_elements = frozenset(("dd", "dt", "li", "p", "tbody", "td", "tfoot", "th", "thead", "tr", "body", "html")) for node in self.tree.openElements[::-1]: if node.name not in allowed_elements: self.parser.parseError("expected-closing-tag-but-got-eof") break # Stop parsing def processSpaceCharactersDropNewline(self, token): # Sometimes (start of <pre>, <listing>, and <textarea> blocks) we # want to drop leading newlines data = token["data"] self.processSpaceCharacters = self.processSpaceCharactersNonPre if (data.startswith("\n") and self.tree.openElements[-1].name in ("pre", "listing", "textarea") and not self.tree.openElements[-1].hasContent()): data = data[1:] if data: self.tree.reconstructActiveFormattingElements() self.tree.insertText(data) def processCharacters(self, token): if token["data"] == "\u0000": # The tokenizer should always emit null on its own return self.tree.reconstructActiveFormattingElements() self.tree.insertText(token["data"]) # This must be bad for performance if (self.parser.framesetOK and any([char not in spaceCharacters for char in token["data"]])): self.parser.framesetOK = False def processSpaceCharactersNonPre(self, token): self.tree.reconstructActiveFormattingElements() self.tree.insertText(token["data"]) def startTagProcessInHead(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagBody(self, token): self.parser.parseError("unexpected-start-tag", {"name": "body"}) if (len(self.tree.openElements) == 1 or self.tree.openElements[1].name != "body"): assert self.parser.innerHTML else: self.parser.framesetOK = False for attr, value in token["data"].items(): if attr not in self.tree.openElements[1].attributes: self.tree.openElements[1].attributes[attr] = value def startTagFrameset(self, token): self.parser.parseError("unexpected-start-tag", {"name": "frameset"}) if (len(self.tree.openElements) == 1 or self.tree.openElements[1].name != "body"): assert self.parser.innerHTML elif not self.parser.framesetOK: pass else: if self.tree.openElements[1].parent: self.tree.openElements[1].parent.removeChild(self.tree.openElements[1]) while self.tree.openElements[-1].name != "html": self.tree.openElements.pop() self.tree.insertElement(token) self.parser.phase = self.parser.phases["inFrameset"] def startTagCloseP(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.insertElement(token) def startTagPreListing(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.insertElement(token) self.parser.framesetOK = False self.processSpaceCharacters = self.processSpaceCharactersDropNewline def startTagForm(self, token): if self.tree.formPointer: self.parser.parseError("unexpected-start-tag", {"name": "form"}) else: if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.insertElement(token) self.tree.formPointer = self.tree.openElements[-1] def startTagListItem(self, token): self.parser.framesetOK = False stopNamesMap = {"li": ["li"], "dt": ["dt", "dd"], "dd": ["dt", "dd"]} stopNames = stopNamesMap[token["name"]] for node in reversed(self.tree.openElements): if node.name in stopNames: self.parser.phase.processEndTag( impliedTagToken(node.name, "EndTag")) break if (node.nameTuple in specialElements and node.name not in ("address", "div", "p")): break if self.tree.elementInScope("p", variant="button"): self.parser.phase.processEndTag( impliedTagToken("p", "EndTag")) self.tree.insertElement(token) def startTagPlaintext(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.insertElement(token) self.parser.tokenizer.state = self.parser.tokenizer.plaintextState def startTagHeading(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) if self.tree.openElements[-1].name in headingElements: self.parser.parseError("unexpected-start-tag", {"name": token["name"]}) self.tree.openElements.pop() self.tree.insertElement(token) def startTagA(self, token): afeAElement = self.tree.elementInActiveFormattingElements("a") if afeAElement: self.parser.parseError("unexpected-start-tag-implies-end-tag", {"startName": "a", "endName": "a"}) self.endTagFormatting(impliedTagToken("a")) if afeAElement in self.tree.openElements: self.tree.openElements.remove(afeAElement) if afeAElement in self.tree.activeFormattingElements: self.tree.activeFormattingElements.remove(afeAElement) self.tree.reconstructActiveFormattingElements() self.addFormattingElement(token) def startTagFormatting(self, token): self.tree.reconstructActiveFormattingElements() self.addFormattingElement(token) def startTagNobr(self, token): self.tree.reconstructActiveFormattingElements() if self.tree.elementInScope("nobr"): self.parser.parseError("unexpected-start-tag-implies-end-tag", {"startName": "nobr", "endName": "nobr"}) self.processEndTag(impliedTagToken("nobr")) # XXX Need tests that trigger the following self.tree.reconstructActiveFormattingElements() self.addFormattingElement(token) def startTagButton(self, token): if self.tree.elementInScope("button"): self.parser.parseError("unexpected-start-tag-implies-end-tag", {"startName": "button", "endName": "button"}) self.processEndTag(impliedTagToken("button")) return token else: self.tree.reconstructActiveFormattingElements() self.tree.insertElement(token) self.parser.framesetOK = False def startTagAppletMarqueeObject(self, token): self.tree.reconstructActiveFormattingElements() self.tree.insertElement(token) self.tree.activeFormattingElements.append(Marker) self.parser.framesetOK = False def startTagXmp(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.reconstructActiveFormattingElements() self.parser.framesetOK = False self.parser.parseRCDataRawtext(token, "RAWTEXT") def startTagTable(self, token): if self.parser.compatMode != "quirks": if self.tree.elementInScope("p", variant="button"): self.processEndTag(impliedTagToken("p")) self.tree.insertElement(token) self.parser.framesetOK = False self.parser.phase = self.parser.phases["inTable"] def startTagVoidFormatting(self, token): self.tree.reconstructActiveFormattingElements() self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True self.parser.framesetOK = False def startTagInput(self, token): framesetOK = self.parser.framesetOK self.startTagVoidFormatting(token) if ("type" in token["data"] and token["data"]["type"].translate(asciiUpper2Lower) == "hidden"): # input type=hidden doesn't change framesetOK self.parser.framesetOK = framesetOK def startTagParamSource(self, token): self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def startTagHr(self, token): if self.tree.elementInScope("p", variant="button"): self.endTagP(impliedTagToken("p")) self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True self.parser.framesetOK = False def startTagImage(self, token): # No really... self.parser.parseError("unexpected-start-tag-treated-as", {"originalName": "image", "newName": "img"}) self.processStartTag(impliedTagToken("img", "StartTag", attributes=token["data"], selfClosing=token["selfClosing"])) def startTagIsIndex(self, token): self.parser.parseError("deprecated-tag", {"name": "isindex"}) if self.tree.formPointer: return form_attrs = {} if "action" in token["data"]: form_attrs["action"] = token["data"]["action"] self.processStartTag(impliedTagToken("form", "StartTag", attributes=form_attrs)) self.processStartTag(impliedTagToken("hr", "StartTag")) self.processStartTag(impliedTagToken("label", "StartTag")) # XXX Localization ... if "prompt" in token["data"]: prompt = token["data"]["prompt"] else: prompt = "This is a searchable index. Enter search keywords: " self.processCharacters( {"type": tokenTypes["Characters"], "data": prompt}) attributes = token["data"].copy() if "action" in attributes: del attributes["action"] if "prompt" in attributes: del attributes["prompt"] attributes["name"] = "isindex" self.processStartTag(impliedTagToken("input", "StartTag", attributes=attributes, selfClosing=token["selfClosing"])) self.processEndTag(impliedTagToken("label")) self.processStartTag(impliedTagToken("hr", "StartTag")) self.processEndTag(impliedTagToken("form")) def startTagTextarea(self, token): self.tree.insertElement(token) self.parser.tokenizer.state = self.parser.tokenizer.rcdataState self.processSpaceCharacters = self.processSpaceCharactersDropNewline self.parser.framesetOK = False def startTagIFrame(self, token): self.parser.framesetOK = False self.startTagRawtext(token) def startTagNoscript(self, token): if self.parser.scripting: self.startTagRawtext(token) else: self.startTagOther(token) def startTagRawtext(self, token): """iframe, noembed noframes, noscript(if scripting enabled)""" self.parser.parseRCDataRawtext(token, "RAWTEXT") def startTagOpt(self, token): if self.tree.openElements[-1].name == "option": self.parser.phase.processEndTag(impliedTagToken("option")) self.tree.reconstructActiveFormattingElements() self.parser.tree.insertElement(token) def startTagSelect(self, token): self.tree.reconstructActiveFormattingElements() self.tree.insertElement(token) self.parser.framesetOK = False if self.parser.phase in (self.parser.phases["inTable"], self.parser.phases["inCaption"], self.parser.phases["inColumnGroup"], self.parser.phases["inTableBody"], self.parser.phases["inRow"], self.parser.phases["inCell"]): self.parser.phase = self.parser.phases["inSelectInTable"] else: self.parser.phase = self.parser.phases["inSelect"] def startTagRpRt(self, token): if self.tree.elementInScope("ruby"): self.tree.generateImpliedEndTags() if self.tree.openElements[-1].name != "ruby": self.parser.parseError() self.tree.insertElement(token) def startTagMath(self, token): self.tree.reconstructActiveFormattingElements() self.parser.adjustMathMLAttributes(token) self.parser.adjustForeignAttributes(token) token["namespace"] = namespaces["mathml"] self.tree.insertElement(token) # Need to get the parse error right for the case where the token # has a namespace not equal to the xmlns attribute if token["selfClosing"]: self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def startTagSvg(self, token): self.tree.reconstructActiveFormattingElements() self.parser.adjustSVGAttributes(token) self.parser.adjustForeignAttributes(token) token["namespace"] = namespaces["svg"] self.tree.insertElement(token) # Need to get the parse error right for the case where the token # has a namespace not equal to the xmlns attribute if token["selfClosing"]: self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def startTagMisplaced(self, token): """ Elements that should be children of other elements that have a different insertion mode; here they are ignored "caption", "col", "colgroup", "frame", "frameset", "head", "option", "optgroup", "tbody", "td", "tfoot", "th", "thead", "tr", "noscript" """ self.parser.parseError("unexpected-start-tag-ignored", {"name": token["name"]}) def startTagOther(self, token): self.tree.reconstructActiveFormattingElements() self.tree.insertElement(token) def endTagP(self, token): if not self.tree.elementInScope("p", variant="button"): self.startTagCloseP(impliedTagToken("p", "StartTag")) self.parser.parseError("unexpected-end-tag", {"name": "p"}) self.endTagP(impliedTagToken("p", "EndTag")) else: self.tree.generateImpliedEndTags("p") if self.tree.openElements[-1].name != "p": self.parser.parseError("unexpected-end-tag", {"name": "p"}) node = self.tree.openElements.pop() while node.name != "p": node = self.tree.openElements.pop() def endTagBody(self, token): if not self.tree.elementInScope("body"): self.parser.parseError() return elif self.tree.openElements[-1].name != "body": for node in self.tree.openElements[2:]: if node.name not in frozenset(("dd", "dt", "li", "optgroup", "option", "p", "rp", "rt", "tbody", "td", "tfoot", "th", "thead", "tr", "body", "html")): # Not sure this is the correct name for the parse error self.parser.parseError( "expected-one-end-tag-but-got-another", {"gotName": "body", "expectedName": node.name}) break self.parser.phase = self.parser.phases["afterBody"] def endTagHtml(self, token): # We repeat the test for the body end tag token being ignored here if self.tree.elementInScope("body"): self.endTagBody(impliedTagToken("body")) return token def endTagBlock(self, token): # Put us back in the right whitespace handling mode if token["name"] == "pre": self.processSpaceCharacters = self.processSpaceCharactersNonPre inScope = self.tree.elementInScope(token["name"]) if inScope: self.tree.generateImpliedEndTags() if self.tree.openElements[-1].name != token["name"]: self.parser.parseError("end-tag-too-early", {"name": token["name"]}) if inScope: node = self.tree.openElements.pop() while node.name != token["name"]: node = self.tree.openElements.pop() def endTagForm(self, token): node = self.tree.formPointer self.tree.formPointer = None if node is None or not self.tree.elementInScope(node): self.parser.parseError("unexpected-end-tag", {"name": "form"}) else: self.tree.generateImpliedEndTags() if self.tree.openElements[-1] != node: self.parser.parseError("end-tag-too-early-ignored", {"name": "form"}) self.tree.openElements.remove(node) def endTagListItem(self, token): if token["name"] == "li": variant = "list" else: variant = None if not self.tree.elementInScope(token["name"], variant=variant): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) else: self.tree.generateImpliedEndTags(exclude=token["name"]) if self.tree.openElements[-1].name != token["name"]: self.parser.parseError( "end-tag-too-early", {"name": token["name"]}) node = self.tree.openElements.pop() while node.name != token["name"]: node = self.tree.openElements.pop() def endTagHeading(self, token): for item in headingElements: if self.tree.elementInScope(item): self.tree.generateImpliedEndTags() break if self.tree.openElements[-1].name != token["name"]: self.parser.parseError("end-tag-too-early", {"name": token["name"]}) for item in headingElements: if self.tree.elementInScope(item): item = self.tree.openElements.pop() while item.name not in headingElements: item = self.tree.openElements.pop() break def endTagFormatting(self, token): """The much-feared adoption agency algorithm""" # http://svn.whatwg.org/webapps/complete.html#adoptionAgency revision 7867 # XXX Better parseError messages appreciated. # Step 1 outerLoopCounter = 0 # Step 2 while outerLoopCounter < 8: # Step 3 outerLoopCounter += 1 # Step 4: # Let the formatting element be the last element in # the list of active formatting elements that: # - is between the end of the list and the last scope # marker in the list, if any, or the start of the list # otherwise, and # - has the same tag name as the token. formattingElement = self.tree.elementInActiveFormattingElements( token["name"]) if (not formattingElement or (formattingElement in self.tree.openElements and not self.tree.elementInScope(formattingElement.name))): # If there is no such node, then abort these steps # and instead act as described in the "any other # end tag" entry below. self.endTagOther(token) return # Otherwise, if there is such a node, but that node is # not in the stack of open elements, then this is a # parse error; remove the element from the list, and # abort these steps. elif formattingElement not in self.tree.openElements: self.parser.parseError("adoption-agency-1.2", {"name": token["name"]}) self.tree.activeFormattingElements.remove(formattingElement) return # Otherwise, if there is such a node, and that node is # also in the stack of open elements, but the element # is not in scope, then this is a parse error; ignore # the token, and abort these steps. elif not self.tree.elementInScope(formattingElement.name): self.parser.parseError("adoption-agency-4.4", {"name": token["name"]}) return # Otherwise, there is a formatting element and that # element is in the stack and is in scope. If the # element is not the current node, this is a parse # error. In any case, proceed with the algorithm as # written in the following steps. else: if formattingElement != self.tree.openElements[-1]: self.parser.parseError("adoption-agency-1.3", {"name": token["name"]}) # Step 5: # Let the furthest block be the topmost node in the # stack of open elements that is lower in the stack # than the formatting element, and is an element in # the special category. There might not be one. afeIndex = self.tree.openElements.index(formattingElement) furthestBlock = None for element in self.tree.openElements[afeIndex:]: if element.nameTuple in specialElements: furthestBlock = element break # Step 6: # If there is no furthest block, then the UA must # first pop all the nodes from the bottom of the stack # of open elements, from the current node up to and # including the formatting element, then remove the # formatting element from the list of active # formatting elements, and finally abort these steps. if furthestBlock is None: element = self.tree.openElements.pop() while element != formattingElement: element = self.tree.openElements.pop() self.tree.activeFormattingElements.remove(element) return # Step 7 commonAncestor = self.tree.openElements[afeIndex - 1] # Step 8: # The bookmark is supposed to help us identify where to reinsert # nodes in step 15. We have to ensure that we reinsert nodes after # the node before the active formatting element. Note the bookmark # can move in step 9.7 bookmark = self.tree.activeFormattingElements.index(formattingElement) # Step 9 lastNode = node = furthestBlock innerLoopCounter = 0 index = self.tree.openElements.index(node) while innerLoopCounter < 3: innerLoopCounter += 1 # Node is element before node in open elements index -= 1 node = self.tree.openElements[index] if node not in self.tree.activeFormattingElements: self.tree.openElements.remove(node) continue # Step 9.6 if node == formattingElement: break # Step 9.7 if lastNode == furthestBlock: bookmark = self.tree.activeFormattingElements.index(node) + 1 # Step 9.8 clone = node.cloneNode() # Replace node with clone self.tree.activeFormattingElements[ self.tree.activeFormattingElements.index(node)] = clone self.tree.openElements[ self.tree.openElements.index(node)] = clone node = clone # Step 9.9 # Remove lastNode from its parents, if any if lastNode.parent: lastNode.parent.removeChild(lastNode) node.appendChild(lastNode) # Step 9.10 lastNode = node # Step 10 # Foster parent lastNode if commonAncestor is a # table, tbody, tfoot, thead, or tr we need to foster # parent the lastNode if lastNode.parent: lastNode.parent.removeChild(lastNode) if commonAncestor.name in frozenset(("table", "tbody", "tfoot", "thead", "tr")): parent, insertBefore = self.tree.getTableMisnestedNodePosition() parent.insertBefore(lastNode, insertBefore) else: commonAncestor.appendChild(lastNode) # Step 11 clone = formattingElement.cloneNode() # Step 12 furthestBlock.reparentChildren(clone) # Step 13 furthestBlock.appendChild(clone) # Step 14 self.tree.activeFormattingElements.remove(formattingElement) self.tree.activeFormattingElements.insert(bookmark, clone) # Step 15 self.tree.openElements.remove(formattingElement) self.tree.openElements.insert( self.tree.openElements.index(furthestBlock) + 1, clone) def endTagAppletMarqueeObject(self, token): if self.tree.elementInScope(token["name"]): self.tree.generateImpliedEndTags() if self.tree.openElements[-1].name != token["name"]: self.parser.parseError("end-tag-too-early", {"name": token["name"]}) if self.tree.elementInScope(token["name"]): element = self.tree.openElements.pop() while element.name != token["name"]: element = self.tree.openElements.pop() self.tree.clearActiveFormattingElements() def endTagBr(self, token): self.parser.parseError("unexpected-end-tag-treated-as", {"originalName": "br", "newName": "br element"}) self.tree.reconstructActiveFormattingElements() self.tree.insertElement(impliedTagToken("br", "StartTag")) self.tree.openElements.pop() def endTagOther(self, token): for node in self.tree.openElements[::-1]: if node.name == token["name"]: self.tree.generateImpliedEndTags(exclude=token["name"]) if self.tree.openElements[-1].name != token["name"]: self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) while self.tree.openElements.pop() != node: pass break else: if node.nameTuple in specialElements: self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) break startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), (("base", "basefont", "bgsound", "command", "link", "meta", "script", "style", "title"), startTagProcessInHead), ("body", startTagBody), ("frameset", startTagFrameset), (("address", "article", "aside", "blockquote", "center", "details", "dir", "div", "dl", "fieldset", "figcaption", "figure", "footer", "header", "hgroup", "main", "menu", "nav", "ol", "p", "section", "summary", "ul"), startTagCloseP), (headingElements, startTagHeading), (("pre", "listing"), startTagPreListing), ("form", startTagForm), (("li", "dd", "dt"), startTagListItem), ("plaintext", startTagPlaintext), ("a", startTagA), (("b", "big", "code", "em", "font", "i", "s", "small", "strike", "strong", "tt", "u"), startTagFormatting), ("nobr", startTagNobr), ("button", startTagButton), (("applet", "marquee", "object"), startTagAppletMarqueeObject), ("xmp", startTagXmp), ("table", startTagTable), (("area", "br", "embed", "img", "keygen", "wbr"), startTagVoidFormatting), (("param", "source", "track"), startTagParamSource), ("input", startTagInput), ("hr", startTagHr), ("image", startTagImage), ("isindex", startTagIsIndex), ("textarea", startTagTextarea), ("iframe", startTagIFrame), ("noscript", startTagNoscript), (("noembed", "noframes"), startTagRawtext), ("select", startTagSelect), (("rp", "rt"), startTagRpRt), (("option", "optgroup"), startTagOpt), (("math"), startTagMath), (("svg"), startTagSvg), (("caption", "col", "colgroup", "frame", "head", "tbody", "td", "tfoot", "th", "thead", "tr"), startTagMisplaced) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("body", endTagBody), ("html", endTagHtml), (("address", "article", "aside", "blockquote", "button", "center", "details", "dialog", "dir", "div", "dl", "fieldset", "figcaption", "figure", "footer", "header", "hgroup", "listing", "main", "menu", "nav", "ol", "pre", "section", "summary", "ul"), endTagBlock), ("form", endTagForm), ("p", endTagP), (("dd", "dt", "li"), endTagListItem), (headingElements, endTagHeading), (("a", "b", "big", "code", "em", "font", "i", "nobr", "s", "small", "strike", "strong", "tt", "u"), endTagFormatting), (("applet", "marquee", "object"), endTagAppletMarqueeObject), ("br", endTagBr), ]) endTagHandler.default = endTagOther class TextPhase(Phase): __slots__ = tuple() def processCharacters(self, token): self.tree.insertText(token["data"]) def processEOF(self): self.parser.parseError("expected-named-closing-tag-but-got-eof", {"name": self.tree.openElements[-1].name}) self.tree.openElements.pop() self.parser.phase = self.parser.originalPhase return True def startTagOther(self, token): assert False, "Tried to process start tag %s in RCDATA/RAWTEXT mode" % token['name'] def endTagScript(self, token): node = self.tree.openElements.pop() assert node.name == "script" self.parser.phase = self.parser.originalPhase # The rest of this method is all stuff that only happens if # document.write works def endTagOther(self, token): self.tree.openElements.pop() self.parser.phase = self.parser.originalPhase startTagHandler = _utils.MethodDispatcher([]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("script", endTagScript)]) endTagHandler.default = endTagOther class InTablePhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-table __slots__ = tuple() # helper methods def clearStackToTableContext(self): # "clear the stack back to a table context" while self.tree.openElements[-1].name not in ("table", "html"): # self.parser.parseError("unexpected-implied-end-tag-in-table", # {"name": self.tree.openElements[-1].name}) self.tree.openElements.pop() # When the current node is <html> it's an innerHTML case # processing methods def processEOF(self): if self.tree.openElements[-1].name != "html": self.parser.parseError("eof-in-table") else: assert self.parser.innerHTML # Stop parsing def processSpaceCharacters(self, token): originalPhase = self.parser.phase self.parser.phase = self.parser.phases["inTableText"] self.parser.phase.originalPhase = originalPhase self.parser.phase.processSpaceCharacters(token) def processCharacters(self, token): originalPhase = self.parser.phase self.parser.phase = self.parser.phases["inTableText"] self.parser.phase.originalPhase = originalPhase self.parser.phase.processCharacters(token) def insertText(self, token): # If we get here there must be at least one non-whitespace character # Do the table magic! self.tree.insertFromTable = True self.parser.phases["inBody"].processCharacters(token) self.tree.insertFromTable = False def startTagCaption(self, token): self.clearStackToTableContext() self.tree.activeFormattingElements.append(Marker) self.tree.insertElement(token) self.parser.phase = self.parser.phases["inCaption"] def startTagColgroup(self, token): self.clearStackToTableContext() self.tree.insertElement(token) self.parser.phase = self.parser.phases["inColumnGroup"] def startTagCol(self, token): self.startTagColgroup(impliedTagToken("colgroup", "StartTag")) return token def startTagRowGroup(self, token): self.clearStackToTableContext() self.tree.insertElement(token) self.parser.phase = self.parser.phases["inTableBody"] def startTagImplyTbody(self, token): self.startTagRowGroup(impliedTagToken("tbody", "StartTag")) return token def startTagTable(self, token): self.parser.parseError("unexpected-start-tag-implies-end-tag", {"startName": "table", "endName": "table"}) self.parser.phase.processEndTag(impliedTagToken("table")) if not self.parser.innerHTML: return token def startTagStyleScript(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagInput(self, token): if ("type" in token["data"] and token["data"]["type"].translate(asciiUpper2Lower) == "hidden"): self.parser.parseError("unexpected-hidden-input-in-table") self.tree.insertElement(token) # XXX associate with form self.tree.openElements.pop() else: self.startTagOther(token) def startTagForm(self, token): self.parser.parseError("unexpected-form-in-table") if self.tree.formPointer is None: self.tree.insertElement(token) self.tree.formPointer = self.tree.openElements[-1] self.tree.openElements.pop() def startTagOther(self, token): self.parser.parseError("unexpected-start-tag-implies-table-voodoo", {"name": token["name"]}) # Do the table magic! self.tree.insertFromTable = True self.parser.phases["inBody"].processStartTag(token) self.tree.insertFromTable = False def endTagTable(self, token): if self.tree.elementInScope("table", variant="table"): self.tree.generateImpliedEndTags() if self.tree.openElements[-1].name != "table": self.parser.parseError("end-tag-too-early-named", {"gotName": "table", "expectedName": self.tree.openElements[-1].name}) while self.tree.openElements[-1].name != "table": self.tree.openElements.pop() self.tree.openElements.pop() self.parser.resetInsertionMode() else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def endTagIgnore(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def endTagOther(self, token): self.parser.parseError("unexpected-end-tag-implies-table-voodoo", {"name": token["name"]}) # Do the table magic! self.tree.insertFromTable = True self.parser.phases["inBody"].processEndTag(token) self.tree.insertFromTable = False startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("caption", startTagCaption), ("colgroup", startTagColgroup), ("col", startTagCol), (("tbody", "tfoot", "thead"), startTagRowGroup), (("td", "th", "tr"), startTagImplyTbody), ("table", startTagTable), (("style", "script"), startTagStyleScript), ("input", startTagInput), ("form", startTagForm) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("table", endTagTable), (("body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr"), endTagIgnore) ]) endTagHandler.default = endTagOther class InTableTextPhase(Phase): __slots__ = ("originalPhase", "characterTokens") def __init__(self, *args, **kwargs): super(InTableTextPhase, self).__init__(*args, **kwargs) self.originalPhase = None self.characterTokens = [] def flushCharacters(self): data = "".join([item["data"] for item in self.characterTokens]) if any([item not in spaceCharacters for item in data]): token = {"type": tokenTypes["Characters"], "data": data} self.parser.phases["inTable"].insertText(token) elif data: self.tree.insertText(data) self.characterTokens = [] def processComment(self, token): self.flushCharacters() self.parser.phase = self.originalPhase return token def processEOF(self): self.flushCharacters() self.parser.phase = self.originalPhase return True def processCharacters(self, token): if token["data"] == "\u0000": return self.characterTokens.append(token) def processSpaceCharacters(self, token): # pretty sure we should never reach here self.characterTokens.append(token) # assert False def processStartTag(self, token): self.flushCharacters() self.parser.phase = self.originalPhase return token def processEndTag(self, token): self.flushCharacters() self.parser.phase = self.originalPhase return token class InCaptionPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-caption __slots__ = tuple() def ignoreEndTagCaption(self): return not self.tree.elementInScope("caption", variant="table") def processEOF(self): self.parser.phases["inBody"].processEOF() def processCharacters(self, token): return self.parser.phases["inBody"].processCharacters(token) def startTagTableElement(self, token): self.parser.parseError() # XXX Have to duplicate logic here to find out if the tag is ignored ignoreEndTag = self.ignoreEndTagCaption() self.parser.phase.processEndTag(impliedTagToken("caption")) if not ignoreEndTag: return token def startTagOther(self, token): return self.parser.phases["inBody"].processStartTag(token) def endTagCaption(self, token): if not self.ignoreEndTagCaption(): # AT this code is quite similar to endTagTable in "InTable" self.tree.generateImpliedEndTags() if self.tree.openElements[-1].name != "caption": self.parser.parseError("expected-one-end-tag-but-got-another", {"gotName": "caption", "expectedName": self.tree.openElements[-1].name}) while self.tree.openElements[-1].name != "caption": self.tree.openElements.pop() self.tree.openElements.pop() self.tree.clearActiveFormattingElements() self.parser.phase = self.parser.phases["inTable"] else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def endTagTable(self, token): self.parser.parseError() ignoreEndTag = self.ignoreEndTagCaption() self.parser.phase.processEndTag(impliedTagToken("caption")) if not ignoreEndTag: return token def endTagIgnore(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def endTagOther(self, token): return self.parser.phases["inBody"].processEndTag(token) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"), startTagTableElement) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("caption", endTagCaption), ("table", endTagTable), (("body", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr"), endTagIgnore) ]) endTagHandler.default = endTagOther class InColumnGroupPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-column __slots__ = tuple() def ignoreEndTagColgroup(self): return self.tree.openElements[-1].name == "html" def processEOF(self): if self.tree.openElements[-1].name == "html": assert self.parser.innerHTML return else: ignoreEndTag = self.ignoreEndTagColgroup() self.endTagColgroup(impliedTagToken("colgroup")) if not ignoreEndTag: return True def processCharacters(self, token): ignoreEndTag = self.ignoreEndTagColgroup() self.endTagColgroup(impliedTagToken("colgroup")) if not ignoreEndTag: return token def startTagCol(self, token): self.tree.insertElement(token) self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def startTagOther(self, token): ignoreEndTag = self.ignoreEndTagColgroup() self.endTagColgroup(impliedTagToken("colgroup")) if not ignoreEndTag: return token def endTagColgroup(self, token): if self.ignoreEndTagColgroup(): # innerHTML case assert self.parser.innerHTML self.parser.parseError() else: self.tree.openElements.pop() self.parser.phase = self.parser.phases["inTable"] def endTagCol(self, token): self.parser.parseError("no-end-tag", {"name": "col"}) def endTagOther(self, token): ignoreEndTag = self.ignoreEndTagColgroup() self.endTagColgroup(impliedTagToken("colgroup")) if not ignoreEndTag: return token startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("col", startTagCol) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("colgroup", endTagColgroup), ("col", endTagCol) ]) endTagHandler.default = endTagOther class InTableBodyPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-table0 __slots__ = tuple() # helper methods def clearStackToTableBodyContext(self): while self.tree.openElements[-1].name not in ("tbody", "tfoot", "thead", "html"): # self.parser.parseError("unexpected-implied-end-tag-in-table", # {"name": self.tree.openElements[-1].name}) self.tree.openElements.pop() if self.tree.openElements[-1].name == "html": assert self.parser.innerHTML # the rest def processEOF(self): self.parser.phases["inTable"].processEOF() def processSpaceCharacters(self, token): return self.parser.phases["inTable"].processSpaceCharacters(token) def processCharacters(self, token): return self.parser.phases["inTable"].processCharacters(token) def startTagTr(self, token): self.clearStackToTableBodyContext() self.tree.insertElement(token) self.parser.phase = self.parser.phases["inRow"] def startTagTableCell(self, token): self.parser.parseError("unexpected-cell-in-table-body", {"name": token["name"]}) self.startTagTr(impliedTagToken("tr", "StartTag")) return token def startTagTableOther(self, token): # XXX AT Any ideas on how to share this with endTagTable? if (self.tree.elementInScope("tbody", variant="table") or self.tree.elementInScope("thead", variant="table") or self.tree.elementInScope("tfoot", variant="table")): self.clearStackToTableBodyContext() self.endTagTableRowGroup( impliedTagToken(self.tree.openElements[-1].name)) return token else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def startTagOther(self, token): return self.parser.phases["inTable"].processStartTag(token) def endTagTableRowGroup(self, token): if self.tree.elementInScope(token["name"], variant="table"): self.clearStackToTableBodyContext() self.tree.openElements.pop() self.parser.phase = self.parser.phases["inTable"] else: self.parser.parseError("unexpected-end-tag-in-table-body", {"name": token["name"]}) def endTagTable(self, token): if (self.tree.elementInScope("tbody", variant="table") or self.tree.elementInScope("thead", variant="table") or self.tree.elementInScope("tfoot", variant="table")): self.clearStackToTableBodyContext() self.endTagTableRowGroup( impliedTagToken(self.tree.openElements[-1].name)) return token else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def endTagIgnore(self, token): self.parser.parseError("unexpected-end-tag-in-table-body", {"name": token["name"]}) def endTagOther(self, token): return self.parser.phases["inTable"].processEndTag(token) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("tr", startTagTr), (("td", "th"), startTagTableCell), (("caption", "col", "colgroup", "tbody", "tfoot", "thead"), startTagTableOther) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ (("tbody", "tfoot", "thead"), endTagTableRowGroup), ("table", endTagTable), (("body", "caption", "col", "colgroup", "html", "td", "th", "tr"), endTagIgnore) ]) endTagHandler.default = endTagOther class InRowPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-row __slots__ = tuple() # helper methods (XXX unify this with other table helper methods) def clearStackToTableRowContext(self): while self.tree.openElements[-1].name not in ("tr", "html"): self.parser.parseError("unexpected-implied-end-tag-in-table-row", {"name": self.tree.openElements[-1].name}) self.tree.openElements.pop() def ignoreEndTagTr(self): return not self.tree.elementInScope("tr", variant="table") # the rest def processEOF(self): self.parser.phases["inTable"].processEOF() def processSpaceCharacters(self, token): return self.parser.phases["inTable"].processSpaceCharacters(token) def processCharacters(self, token): return self.parser.phases["inTable"].processCharacters(token) def startTagTableCell(self, token): self.clearStackToTableRowContext() self.tree.insertElement(token) self.parser.phase = self.parser.phases["inCell"] self.tree.activeFormattingElements.append(Marker) def startTagTableOther(self, token): ignoreEndTag = self.ignoreEndTagTr() self.endTagTr(impliedTagToken("tr")) # XXX how are we sure it's always ignored in the innerHTML case? if not ignoreEndTag: return token def startTagOther(self, token): return self.parser.phases["inTable"].processStartTag(token) def endTagTr(self, token): if not self.ignoreEndTagTr(): self.clearStackToTableRowContext() self.tree.openElements.pop() self.parser.phase = self.parser.phases["inTableBody"] else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def endTagTable(self, token): ignoreEndTag = self.ignoreEndTagTr() self.endTagTr(impliedTagToken("tr")) # Reprocess the current tag if the tr end tag was not ignored # XXX how are we sure it's always ignored in the innerHTML case? if not ignoreEndTag: return token def endTagTableRowGroup(self, token): if self.tree.elementInScope(token["name"], variant="table"): self.endTagTr(impliedTagToken("tr")) return token else: self.parser.parseError() def endTagIgnore(self, token): self.parser.parseError("unexpected-end-tag-in-table-row", {"name": token["name"]}) def endTagOther(self, token): return self.parser.phases["inTable"].processEndTag(token) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), (("td", "th"), startTagTableCell), (("caption", "col", "colgroup", "tbody", "tfoot", "thead", "tr"), startTagTableOther) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("tr", endTagTr), ("table", endTagTable), (("tbody", "tfoot", "thead"), endTagTableRowGroup), (("body", "caption", "col", "colgroup", "html", "td", "th"), endTagIgnore) ]) endTagHandler.default = endTagOther class InCellPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-cell __slots__ = tuple() # helper def closeCell(self): if self.tree.elementInScope("td", variant="table"): self.endTagTableCell(impliedTagToken("td")) elif self.tree.elementInScope("th", variant="table"): self.endTagTableCell(impliedTagToken("th")) # the rest def processEOF(self): self.parser.phases["inBody"].processEOF() def processCharacters(self, token): return self.parser.phases["inBody"].processCharacters(token) def startTagTableOther(self, token): if (self.tree.elementInScope("td", variant="table") or self.tree.elementInScope("th", variant="table")): self.closeCell() return token else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def startTagOther(self, token): return self.parser.phases["inBody"].processStartTag(token) def endTagTableCell(self, token): if self.tree.elementInScope(token["name"], variant="table"): self.tree.generateImpliedEndTags(token["name"]) if self.tree.openElements[-1].name != token["name"]: self.parser.parseError("unexpected-cell-end-tag", {"name": token["name"]}) while True: node = self.tree.openElements.pop() if node.name == token["name"]: break else: self.tree.openElements.pop() self.tree.clearActiveFormattingElements() self.parser.phase = self.parser.phases["inRow"] else: self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def endTagIgnore(self, token): self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) def endTagImply(self, token): if self.tree.elementInScope(token["name"], variant="table"): self.closeCell() return token else: # sometimes innerHTML case self.parser.parseError() def endTagOther(self, token): return self.parser.phases["inBody"].processEndTag(token) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"), startTagTableOther) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ (("td", "th"), endTagTableCell), (("body", "caption", "col", "colgroup", "html"), endTagIgnore), (("table", "tbody", "tfoot", "thead", "tr"), endTagImply) ]) endTagHandler.default = endTagOther class InSelectPhase(Phase): __slots__ = tuple() # http://www.whatwg.org/specs/web-apps/current-work/#in-select def processEOF(self): if self.tree.openElements[-1].name != "html": self.parser.parseError("eof-in-select") else: assert self.parser.innerHTML def processCharacters(self, token): if token["data"] == "\u0000": return self.tree.insertText(token["data"]) def startTagOption(self, token): # We need to imply </option> if <option> is the current node. if self.tree.openElements[-1].name == "option": self.tree.openElements.pop() self.tree.insertElement(token) def startTagOptgroup(self, token): if self.tree.openElements[-1].name == "option": self.tree.openElements.pop() if self.tree.openElements[-1].name == "optgroup": self.tree.openElements.pop() self.tree.insertElement(token) def startTagSelect(self, token): self.parser.parseError("unexpected-select-in-select") self.endTagSelect(impliedTagToken("select")) def startTagInput(self, token): self.parser.parseError("unexpected-input-in-select") if self.tree.elementInScope("select", variant="select"): self.endTagSelect(impliedTagToken("select")) return token else: assert self.parser.innerHTML def startTagScript(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("unexpected-start-tag-in-select", {"name": token["name"]}) def endTagOption(self, token): if self.tree.openElements[-1].name == "option": self.tree.openElements.pop() else: self.parser.parseError("unexpected-end-tag-in-select", {"name": "option"}) def endTagOptgroup(self, token): # </optgroup> implicitly closes <option> if (self.tree.openElements[-1].name == "option" and self.tree.openElements[-2].name == "optgroup"): self.tree.openElements.pop() # It also closes </optgroup> if self.tree.openElements[-1].name == "optgroup": self.tree.openElements.pop() # But nothing else else: self.parser.parseError("unexpected-end-tag-in-select", {"name": "optgroup"}) def endTagSelect(self, token): if self.tree.elementInScope("select", variant="select"): node = self.tree.openElements.pop() while node.name != "select": node = self.tree.openElements.pop() self.parser.resetInsertionMode() else: # innerHTML case assert self.parser.innerHTML self.parser.parseError() def endTagOther(self, token): self.parser.parseError("unexpected-end-tag-in-select", {"name": token["name"]}) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("option", startTagOption), ("optgroup", startTagOptgroup), ("select", startTagSelect), (("input", "keygen", "textarea"), startTagInput), ("script", startTagScript) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("option", endTagOption), ("optgroup", endTagOptgroup), ("select", endTagSelect) ]) endTagHandler.default = endTagOther class InSelectInTablePhase(Phase): __slots__ = tuple() def processEOF(self): self.parser.phases["inSelect"].processEOF() def processCharacters(self, token): return self.parser.phases["inSelect"].processCharacters(token) def startTagTable(self, token): self.parser.parseError("unexpected-table-element-start-tag-in-select-in-table", {"name": token["name"]}) self.endTagOther(impliedTagToken("select")) return token def startTagOther(self, token): return self.parser.phases["inSelect"].processStartTag(token) def endTagTable(self, token): self.parser.parseError("unexpected-table-element-end-tag-in-select-in-table", {"name": token["name"]}) if self.tree.elementInScope(token["name"], variant="table"): self.endTagOther(impliedTagToken("select")) return token def endTagOther(self, token): return self.parser.phases["inSelect"].processEndTag(token) startTagHandler = _utils.MethodDispatcher([ (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"), startTagTable) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"), endTagTable) ]) endTagHandler.default = endTagOther class InForeignContentPhase(Phase): __slots__ = tuple() breakoutElements = frozenset(["b", "big", "blockquote", "body", "br", "center", "code", "dd", "div", "dl", "dt", "em", "embed", "h1", "h2", "h3", "h4", "h5", "h6", "head", "hr", "i", "img", "li", "listing", "menu", "meta", "nobr", "ol", "p", "pre", "ruby", "s", "small", "span", "strong", "strike", "sub", "sup", "table", "tt", "u", "ul", "var"]) def adjustSVGTagNames(self, token): replacements = {"altglyph": "altGlyph", "altglyphdef": "altGlyphDef", "altglyphitem": "altGlyphItem", "animatecolor": "animateColor", "animatemotion": "animateMotion", "animatetransform": "animateTransform", "clippath": "clipPath", "feblend": "feBlend", "fecolormatrix": "feColorMatrix", "fecomponenttransfer": "feComponentTransfer", "fecomposite": "feComposite", "feconvolvematrix": "feConvolveMatrix", "fediffuselighting": "feDiffuseLighting", "fedisplacementmap": "feDisplacementMap", "fedistantlight": "feDistantLight", "feflood": "feFlood", "fefunca": "feFuncA", "fefuncb": "feFuncB", "fefuncg": "feFuncG", "fefuncr": "feFuncR", "fegaussianblur": "feGaussianBlur", "feimage": "feImage", "femerge": "feMerge", "femergenode": "feMergeNode", "femorphology": "feMorphology", "feoffset": "feOffset", "fepointlight": "fePointLight", "fespecularlighting": "feSpecularLighting", "fespotlight": "feSpotLight", "fetile": "feTile", "feturbulence": "feTurbulence", "foreignobject": "foreignObject", "glyphref": "glyphRef", "lineargradient": "linearGradient", "radialgradient": "radialGradient", "textpath": "textPath"} if token["name"] in replacements: token["name"] = replacements[token["name"]] def processCharacters(self, token): if token["data"] == "\u0000": token["data"] = "\uFFFD" elif (self.parser.framesetOK and any(char not in spaceCharacters for char in token["data"])): self.parser.framesetOK = False Phase.processCharacters(self, token) def processStartTag(self, token): currentNode = self.tree.openElements[-1] if (token["name"] in self.breakoutElements or (token["name"] == "font" and set(token["data"].keys()) & {"color", "face", "size"})): self.parser.parseError("unexpected-html-element-in-foreign-content", {"name": token["name"]}) while (self.tree.openElements[-1].namespace != self.tree.defaultNamespace and not self.parser.isHTMLIntegrationPoint(self.tree.openElements[-1]) and not self.parser.isMathMLTextIntegrationPoint(self.tree.openElements[-1])): self.tree.openElements.pop() return token else: if currentNode.namespace == namespaces["mathml"]: self.parser.adjustMathMLAttributes(token) elif currentNode.namespace == namespaces["svg"]: self.adjustSVGTagNames(token) self.parser.adjustSVGAttributes(token) self.parser.adjustForeignAttributes(token) token["namespace"] = currentNode.namespace self.tree.insertElement(token) if token["selfClosing"]: self.tree.openElements.pop() token["selfClosingAcknowledged"] = True def processEndTag(self, token): nodeIndex = len(self.tree.openElements) - 1 node = self.tree.openElements[-1] if node.name.translate(asciiUpper2Lower) != token["name"]: self.parser.parseError("unexpected-end-tag", {"name": token["name"]}) while True: if node.name.translate(asciiUpper2Lower) == token["name"]: # XXX this isn't in the spec but it seems necessary if self.parser.phase == self.parser.phases["inTableText"]: self.parser.phase.flushCharacters() self.parser.phase = self.parser.phase.originalPhase while self.tree.openElements.pop() != node: assert self.tree.openElements new_token = None break nodeIndex -= 1 node = self.tree.openElements[nodeIndex] if node.namespace != self.tree.defaultNamespace: continue else: new_token = self.parser.phase.processEndTag(token) break return new_token class AfterBodyPhase(Phase): __slots__ = tuple() def processEOF(self): # Stop parsing pass def processComment(self, token): # This is needed because data is to be appended to the <html> element # here and not to whatever is currently open. self.tree.insertComment(token, self.tree.openElements[0]) def processCharacters(self, token): self.parser.parseError("unexpected-char-after-body") self.parser.phase = self.parser.phases["inBody"] return token def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("unexpected-start-tag-after-body", {"name": token["name"]}) self.parser.phase = self.parser.phases["inBody"] return token def endTagHtml(self, name): if self.parser.innerHTML: self.parser.parseError("unexpected-end-tag-after-body-innerhtml") else: self.parser.phase = self.parser.phases["afterAfterBody"] def endTagOther(self, token): self.parser.parseError("unexpected-end-tag-after-body", {"name": token["name"]}) self.parser.phase = self.parser.phases["inBody"] return token startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([("html", endTagHtml)]) endTagHandler.default = endTagOther class InFramesetPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#in-frameset __slots__ = tuple() def processEOF(self): if self.tree.openElements[-1].name != "html": self.parser.parseError("eof-in-frameset") else: assert self.parser.innerHTML def processCharacters(self, token): self.parser.parseError("unexpected-char-in-frameset") def startTagFrameset(self, token): self.tree.insertElement(token) def startTagFrame(self, token): self.tree.insertElement(token) self.tree.openElements.pop() def startTagNoframes(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("unexpected-start-tag-in-frameset", {"name": token["name"]}) def endTagFrameset(self, token): if self.tree.openElements[-1].name == "html": # innerHTML case self.parser.parseError("unexpected-frameset-in-frameset-innerhtml") else: self.tree.openElements.pop() if (not self.parser.innerHTML and self.tree.openElements[-1].name != "frameset"): # If we're not in innerHTML mode and the current node is not a # "frameset" element (anymore) then switch. self.parser.phase = self.parser.phases["afterFrameset"] def endTagOther(self, token): self.parser.parseError("unexpected-end-tag-in-frameset", {"name": token["name"]}) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("frameset", startTagFrameset), ("frame", startTagFrame), ("noframes", startTagNoframes) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("frameset", endTagFrameset) ]) endTagHandler.default = endTagOther class AfterFramesetPhase(Phase): # http://www.whatwg.org/specs/web-apps/current-work/#after3 __slots__ = tuple() def processEOF(self): # Stop parsing pass def processCharacters(self, token): self.parser.parseError("unexpected-char-after-frameset") def startTagNoframes(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("unexpected-start-tag-after-frameset", {"name": token["name"]}) def endTagHtml(self, token): self.parser.phase = self.parser.phases["afterAfterFrameset"] def endTagOther(self, token): self.parser.parseError("unexpected-end-tag-after-frameset", {"name": token["name"]}) startTagHandler = _utils.MethodDispatcher([ ("html", Phase.startTagHtml), ("noframes", startTagNoframes) ]) startTagHandler.default = startTagOther endTagHandler = _utils.MethodDispatcher([ ("html", endTagHtml) ]) endTagHandler.default = endTagOther class AfterAfterBodyPhase(Phase): __slots__ = tuple() def processEOF(self): pass def processComment(self, token): self.tree.insertComment(token, self.tree.document) def processSpaceCharacters(self, token): return self.parser.phases["inBody"].processSpaceCharacters(token) def processCharacters(self, token): self.parser.parseError("expected-eof-but-got-char") self.parser.phase = self.parser.phases["inBody"] return token def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("expected-eof-but-got-start-tag", {"name": token["name"]}) self.parser.phase = self.parser.phases["inBody"] return token def processEndTag(self, token): self.parser.parseError("expected-eof-but-got-end-tag", {"name": token["name"]}) self.parser.phase = self.parser.phases["inBody"] return token startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml) ]) startTagHandler.default = startTagOther class AfterAfterFramesetPhase(Phase): __slots__ = tuple() def processEOF(self): pass def processComment(self, token): self.tree.insertComment(token, self.tree.document) def processSpaceCharacters(self, token): return self.parser.phases["inBody"].processSpaceCharacters(token) def processCharacters(self, token): self.parser.parseError("expected-eof-but-got-char") def startTagHtml(self, token): return self.parser.phases["inBody"].processStartTag(token) def startTagNoFrames(self, token): return self.parser.phases["inHead"].processStartTag(token) def startTagOther(self, token): self.parser.parseError("expected-eof-but-got-start-tag", {"name": token["name"]}) def processEndTag(self, token): self.parser.parseError("expected-eof-but-got-end-tag", {"name": token["name"]}) startTagHandler = _utils.MethodDispatcher([ ("html", startTagHtml), ("noframes", startTagNoFrames) ]) startTagHandler.default = startTagOther # pylint:enable=unused-argument return { "initial": InitialPhase, "beforeHtml": BeforeHtmlPhase, "beforeHead": BeforeHeadPhase, "inHead": InHeadPhase, "inHeadNoscript": InHeadNoscriptPhase, "afterHead": AfterHeadPhase, "inBody": InBodyPhase, "text": TextPhase, "inTable": InTablePhase, "inTableText": InTableTextPhase, "inCaption": InCaptionPhase, "inColumnGroup": InColumnGroupPhase, "inTableBody": InTableBodyPhase, "inRow": InRowPhase, "inCell": InCellPhase, "inSelect": InSelectPhase, "inSelectInTable": InSelectInTablePhase, "inForeignContent": InForeignContentPhase, "afterBody": AfterBodyPhase, "inFrameset": InFramesetPhase, "afterFrameset": AfterFramesetPhase, "afterAfterBody": AfterAfterBodyPhase, "afterAfterFrameset": AfterAfterFramesetPhase, # XXX after after frameset } def adjust_attributes(token, replacements): needs_adjustment = viewkeys(token['data']) & viewkeys(replacements) if needs_adjustment: token['data'] = type(token['data'])((replacements.get(k, k), v) for k, v in token['data'].items()) def impliedTagToken(name, type="EndTag", attributes=None, selfClosing=False): if attributes is None: attributes = {} return {"type": tokenTypes[type], "name": name, "data": attributes, "selfClosing": selfClosing} class ParseError(Exception): """Error in parsed document""" pass _vendor/html5lib/serializer.py 0000644 00000036617 15114542003 0012453 0 ustar 00 from __future__ import absolute_import, division, unicode_literals from pip._vendor.six import text_type import re from codecs import register_error, xmlcharrefreplace_errors from .constants import voidElements, booleanAttributes, spaceCharacters from .constants import rcdataElements, entities, xmlEntities from . import treewalkers, _utils from xml.sax.saxutils import escape _quoteAttributeSpecChars = "".join(spaceCharacters) + "\"'=<>`" _quoteAttributeSpec = re.compile("[" + _quoteAttributeSpecChars + "]") _quoteAttributeLegacy = re.compile("[" + _quoteAttributeSpecChars + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n" "\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15" "\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" "\x20\x2f\x60\xa0\u1680\u180e\u180f\u2000" "\u2001\u2002\u2003\u2004\u2005\u2006\u2007" "\u2008\u2009\u200a\u2028\u2029\u202f\u205f" "\u3000]") _encode_entity_map = {} _is_ucs4 = len("\U0010FFFF") == 1 for k, v in list(entities.items()): # skip multi-character entities if ((_is_ucs4 and len(v) > 1) or (not _is_ucs4 and len(v) > 2)): continue if v != "&": if len(v) == 2: v = _utils.surrogatePairToCodepoint(v) else: v = ord(v) if v not in _encode_entity_map or k.islower(): # prefer < over < and similarly for &, >, etc. _encode_entity_map[v] = k def htmlentityreplace_errors(exc): if isinstance(exc, (UnicodeEncodeError, UnicodeTranslateError)): res = [] codepoints = [] skip = False for i, c in enumerate(exc.object[exc.start:exc.end]): if skip: skip = False continue index = i + exc.start if _utils.isSurrogatePair(exc.object[index:min([exc.end, index + 2])]): codepoint = _utils.surrogatePairToCodepoint(exc.object[index:index + 2]) skip = True else: codepoint = ord(c) codepoints.append(codepoint) for cp in codepoints: e = _encode_entity_map.get(cp) if e: res.append("&") res.append(e) if not e.endswith(";"): res.append(";") else: res.append("&#x%s;" % (hex(cp)[2:])) return ("".join(res), exc.end) else: return xmlcharrefreplace_errors(exc) register_error("htmlentityreplace", htmlentityreplace_errors) def serialize(input, tree="etree", encoding=None, **serializer_opts): """Serializes the input token stream using the specified treewalker :arg input: the token stream to serialize :arg tree: the treewalker to use :arg encoding: the encoding to use :arg serializer_opts: any options to pass to the :py:class:`html5lib.serializer.HTMLSerializer` that gets created :returns: the tree serialized as a string Example: >>> from html5lib.html5parser import parse >>> from html5lib.serializer import serialize >>> token_stream = parse('<html><body><p>Hi!</p></body></html>') >>> serialize(token_stream, omit_optional_tags=False) '<html><head></head><body><p>Hi!</p></body></html>' """ # XXX: Should we cache this? walker = treewalkers.getTreeWalker(tree) s = HTMLSerializer(**serializer_opts) return s.render(walker(input), encoding) class HTMLSerializer(object): # attribute quoting options quote_attr_values = "legacy" # be secure by default quote_char = '"' use_best_quote_char = True # tag syntax options omit_optional_tags = True minimize_boolean_attributes = True use_trailing_solidus = False space_before_trailing_solidus = True # escaping options escape_lt_in_attrs = False escape_rcdata = False resolve_entities = True # miscellaneous options alphabetical_attributes = False inject_meta_charset = True strip_whitespace = False sanitize = False options = ("quote_attr_values", "quote_char", "use_best_quote_char", "omit_optional_tags", "minimize_boolean_attributes", "use_trailing_solidus", "space_before_trailing_solidus", "escape_lt_in_attrs", "escape_rcdata", "resolve_entities", "alphabetical_attributes", "inject_meta_charset", "strip_whitespace", "sanitize") def __init__(self, **kwargs): """Initialize HTMLSerializer :arg inject_meta_charset: Whether or not to inject the meta charset. Defaults to ``True``. :arg quote_attr_values: Whether to quote attribute values that don't require quoting per legacy browser behavior (``"legacy"``), when required by the standard (``"spec"``), or always (``"always"``). Defaults to ``"legacy"``. :arg quote_char: Use given quote character for attribute quoting. Defaults to ``"`` which will use double quotes unless attribute value contains a double quote, in which case single quotes are used. :arg escape_lt_in_attrs: Whether or not to escape ``<`` in attribute values. Defaults to ``False``. :arg escape_rcdata: Whether to escape characters that need to be escaped within normal elements within rcdata elements such as style. Defaults to ``False``. :arg resolve_entities: Whether to resolve named character entities that appear in the source tree. The XML predefined entities < > & " ' are unaffected by this setting. Defaults to ``True``. :arg strip_whitespace: Whether to remove semantically meaningless whitespace. (This compresses all whitespace to a single space except within ``pre``.) Defaults to ``False``. :arg minimize_boolean_attributes: Shortens boolean attributes to give just the attribute value, for example:: <input disabled="disabled"> becomes:: <input disabled> Defaults to ``True``. :arg use_trailing_solidus: Includes a close-tag slash at the end of the start tag of void elements (empty elements whose end tag is forbidden). E.g. ``<hr/>``. Defaults to ``False``. :arg space_before_trailing_solidus: Places a space immediately before the closing slash in a tag using a trailing solidus. E.g. ``<hr />``. Requires ``use_trailing_solidus=True``. Defaults to ``True``. :arg sanitize: Strip all unsafe or unknown constructs from output. See :py:class:`html5lib.filters.sanitizer.Filter`. Defaults to ``False``. :arg omit_optional_tags: Omit start/end tags that are optional. Defaults to ``True``. :arg alphabetical_attributes: Reorder attributes to be in alphabetical order. Defaults to ``False``. """ unexpected_args = frozenset(kwargs) - frozenset(self.options) if len(unexpected_args) > 0: raise TypeError("__init__() got an unexpected keyword argument '%s'" % next(iter(unexpected_args))) if 'quote_char' in kwargs: self.use_best_quote_char = False for attr in self.options: setattr(self, attr, kwargs.get(attr, getattr(self, attr))) self.errors = [] self.strict = False def encode(self, string): assert(isinstance(string, text_type)) if self.encoding: return string.encode(self.encoding, "htmlentityreplace") else: return string def encodeStrict(self, string): assert(isinstance(string, text_type)) if self.encoding: return string.encode(self.encoding, "strict") else: return string def serialize(self, treewalker, encoding=None): # pylint:disable=too-many-nested-blocks self.encoding = encoding in_cdata = False self.errors = [] if encoding and self.inject_meta_charset: from .filters.inject_meta_charset import Filter treewalker = Filter(treewalker, encoding) # Alphabetical attributes is here under the assumption that none of # the later filters add or change order of attributes; it needs to be # before the sanitizer so escaped elements come out correctly if self.alphabetical_attributes: from .filters.alphabeticalattributes import Filter treewalker = Filter(treewalker) # WhitespaceFilter should be used before OptionalTagFilter # for maximum efficiently of this latter filter if self.strip_whitespace: from .filters.whitespace import Filter treewalker = Filter(treewalker) if self.sanitize: from .filters.sanitizer import Filter treewalker = Filter(treewalker) if self.omit_optional_tags: from .filters.optionaltags import Filter treewalker = Filter(treewalker) for token in treewalker: type = token["type"] if type == "Doctype": doctype = "<!DOCTYPE %s" % token["name"] if token["publicId"]: doctype += ' PUBLIC "%s"' % token["publicId"] elif token["systemId"]: doctype += " SYSTEM" if token["systemId"]: if token["systemId"].find('"') >= 0: if token["systemId"].find("'") >= 0: self.serializeError("System identifier contains both single and double quote characters") quote_char = "'" else: quote_char = '"' doctype += " %s%s%s" % (quote_char, token["systemId"], quote_char) doctype += ">" yield self.encodeStrict(doctype) elif type in ("Characters", "SpaceCharacters"): if type == "SpaceCharacters" or in_cdata: if in_cdata and token["data"].find("</") >= 0: self.serializeError("Unexpected </ in CDATA") yield self.encode(token["data"]) else: yield self.encode(escape(token["data"])) elif type in ("StartTag", "EmptyTag"): name = token["name"] yield self.encodeStrict("<%s" % name) if name in rcdataElements and not self.escape_rcdata: in_cdata = True elif in_cdata: self.serializeError("Unexpected child element of a CDATA element") for (_, attr_name), attr_value in token["data"].items(): # TODO: Add namespace support here k = attr_name v = attr_value yield self.encodeStrict(' ') yield self.encodeStrict(k) if not self.minimize_boolean_attributes or \ (k not in booleanAttributes.get(name, tuple()) and k not in booleanAttributes.get("", tuple())): yield self.encodeStrict("=") if self.quote_attr_values == "always" or len(v) == 0: quote_attr = True elif self.quote_attr_values == "spec": quote_attr = _quoteAttributeSpec.search(v) is not None elif self.quote_attr_values == "legacy": quote_attr = _quoteAttributeLegacy.search(v) is not None else: raise ValueError("quote_attr_values must be one of: " "'always', 'spec', or 'legacy'") v = v.replace("&", "&") if self.escape_lt_in_attrs: v = v.replace("<", "<") if quote_attr: quote_char = self.quote_char if self.use_best_quote_char: if "'" in v and '"' not in v: quote_char = '"' elif '"' in v and "'" not in v: quote_char = "'" if quote_char == "'": v = v.replace("'", "'") else: v = v.replace('"', """) yield self.encodeStrict(quote_char) yield self.encode(v) yield self.encodeStrict(quote_char) else: yield self.encode(v) if name in voidElements and self.use_trailing_solidus: if self.space_before_trailing_solidus: yield self.encodeStrict(" /") else: yield self.encodeStrict("/") yield self.encode(">") elif type == "EndTag": name = token["name"] if name in rcdataElements: in_cdata = False elif in_cdata: self.serializeError("Unexpected child element of a CDATA element") yield self.encodeStrict("</%s>" % name) elif type == "Comment": data = token["data"] if data.find("--") >= 0: self.serializeError("Comment contains --") yield self.encodeStrict("<!--%s-->" % token["data"]) elif type == "Entity": name = token["name"] key = name + ";" if key not in entities: self.serializeError("Entity %s not recognized" % name) if self.resolve_entities and key not in xmlEntities: data = entities[key] else: data = "&%s;" % name yield self.encodeStrict(data) else: self.serializeError(token["data"]) def render(self, treewalker, encoding=None): """Serializes the stream from the treewalker into a string :arg treewalker: the treewalker to serialize :arg encoding: the string encoding to use :returns: the serialized tree Example: >>> from html5lib import parse, getTreeWalker >>> from html5lib.serializer import HTMLSerializer >>> token_stream = parse('<html><body>Hi!</body></html>') >>> walker = getTreeWalker('etree') >>> serializer = HTMLSerializer(omit_optional_tags=False) >>> serializer.render(walker(token_stream)) '<html><head></head><body>Hi!</body></html>' """ if encoding: return b"".join(list(self.serialize(treewalker, encoding))) else: return "".join(list(self.serialize(treewalker))) def serializeError(self, data="XXX ERROR MESSAGE NEEDED"): # XXX The idea is to make data mandatory. self.errors.append(data) if self.strict: raise SerializeError class SerializeError(Exception): """Error in serialized tree""" pass _vendor/idna/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000001453 15114542003 0016450 0 ustar 00 a [��fQ � @ st d dl mZ d dlmZmZmZmZmZmZm Z m Z m Z m Z m Z mZmZmZmZmZmZmZ d dlmZ g d�ZdS )� )� __version__)� IDNABidiError� 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r" r: r rV r r= )r' rN r rO r r r � check_label� s4 � � r\ c C s| z(| � d�}t|� t|�s$td��|W S ty: Y n0 | sHtd��t| �} t| � t| �}t| }t|�sxtd��|S )N�asciizLabel too longzNo Input) r �ulabelr( r �UnicodeEncodeError�strr\ r �_alabel_prefix�r' Z label_bytesr r r �alabel s" rc c C s� t | ttf�s>z| �d�}W qB ty: t| � | Y S 0 n| }|�� }|�t�r�|t t�d � }|spt d��|� d�d dkr�t d��nt|� |� d�S |� d�} t| � | S )Nr] z5Malformed A-label, no Punycode eligible content foundrD rC z"A-label must not end with a hyphenr ) rX rY rZ r r_ r\ �lower� startswithra r% r r[ rb r r r r^ % s& r^ Tc C s$ ddl m } d}t| �D ]�\}}t|�}z�||dk r8|nt�||df�d }|d } d} t|�dkrn|d } | d ks�| d kr�|r�| d kr�|s�| du r�||7 }n@| dur�| d ks�| d kr�|r�| d kr�|r�|| 7 }n| d kr�t� �W q t�y td�t |�|d t | ����Y q0 qt � d|�S )zBRe-map the characters in the string according to UTS46 processing.r )� uts46datar- � �ZN� rA �VrJ �3r> �IrW rF ) rf r9 r �bisectZ bisect_leftr% � IndexErrorr r! r" r: r rG ) �domain� std3_rules� transitionalrf �outputrN �charZ code_pointZuts46row�statusZ replacementr r r � uts46_remap@ sV � ����� ���� �� ru c C s� t | ttf�r| �d�} |r(t| ||�} d}g }|r@| �d�}n t�| �}|rX|dgkr`td��|d dkrv|d= d}|D ]$}t|�} | r�|� | � qztd��qz|r�|� d � d � |�} t | |�s�td ��| S ) Nr] F�.r- � Empty domainrD T� Empty label� � .zDomain too long) rX rY rZ r[ ru �split�_unicode_dots_rer rc �append�joinr, ) r �strict�uts46rp rq r+ �result�labelsr' r r r r a s2 r c C s� t | ttf�r| �d�} |r(t| |d�} d}g }|s@t�| �}n | �d�}|rX|dgkr`td��|d sr|d= d}|D ]$}t|�} | r�|� | � qvtd��qv|r�|� d� d� |�S ) Nr] Frv r- rw rD Trx ) rX rY rZ r[ ru r| r{ r r^ r} r~ )r r r� rp r+ r� r� r' r r r r[ � s, r[ )F)F)TF)FFFF)FFF)%r- r rm r �re�typingr r Z intrangesr rK ra �compiler| � UnicodeErrorr r r r r r r r" r( r, r= r@ rE rH rR rV r\ rc r^ ru r r[ r r r r �<module> s< < , + ! 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_vendor/idna/__pycache__/idnadata.cpython-39.opt-1.pyc 0000644 00000053126 15114542003 0016462 0 ustar 00 a [��fn� � @ s: d Z dddddd�Zddddddddddd d d d dd dd dddddd d d d dddddddddddddd dddddddd ddddd d d dd d d ddddddddddddddddd d d d d d d d d d d d d d d d d d ddddddddddddddddddddddddddddddddddddddd ddd d d d d d d d d dd dd ddd d d dd d ddddd d dddd d d d d ddddd dddddddddd dd dd ddd d dddddddddddd d d dddddddddddddddd d ddddd dd d dddd d dddddddddddddddddddddddddddddddddddddddd d dddddd d dd ddddddddddd dd d d dddddddd dd d ddddddddddd d d dd ddd d dddddd dddddddddddddddddd dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd d ddddddddddddddddddddddddddddddddddddd dddddddddddddddddddddddddddddddddddddddddddddddddddddddd ddddddd dd dd d ddd d d d d d ddddd dddddd dddd ddd ddddd dd dd d d dddd ddd dd d dd d d d d dddd dddddddddddddddddddddddddddddddddd ddddd dddddddddddddddddddddd ddddd d d ddd d ddd ddddd d dddddd dd ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd d ��Zdddd�ZdS )z13.0.0)$l t � l x � l ~ � l � � l � l � l � l � 0l � 8l � �l �l + �tl b tul k �ul � �vl |l `|l F �|l N }� X @}l Z d}l \ l}l ^ t}l ~ |}l � ~l � �~l � l � Xl � tl � �l � �l '! 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Then answer the question "was x present in the original list?" in time O(log(# runs)). � N)�List�Tuplec C s� t | �}g }d}tt|��D ]b}|d t|�k rJ|| ||d d krJq ||d |d � }|�t|d |d d �� |}q t|�S )a Represent a list of integers as a sequence of ranges: ((start_0, end_0), (start_1, end_1), ...), such that the original integers are exactly those x such that start_i <= x < end_i for some i. 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u ԁ)i r3 )i rH u ԃr� r� r� r� r� �_seg_8Q s r� c C s g d�S )N)d)i r3 )i rH u ԅ)i r3 )i rH u ԇ)i r3 )i rH u ԉ)i r3 )i rH u ԋ)i r3 )i rH u ԍ)i r3 )i rH u ԏ)i r3 )i rH u ԑ)i r3 )i rH u ԓ)i r3 )i rH u ԕ)i r3 )i rH u ԗ)i r3 )i rH u ԙ)i r3 )i rH u ԛ)i r3 )i rH u ԝ)i r3 )i rH u ԟ)i r3 )i rH u ԡ)i! r3 )i" rH u ԣ)i# r3 )i$ rH u ԥ)i% r3 )i& rH u ԧ)i' r3 )i( rH u ԩ)i) r3 )i* rH u ԫ)i+ r3 )i, rH u ԭ)i- r3 )i. rH u ԯ)i/ r3 )i0 r� )i1 rH u ա)i2 rH u բ)i3 rH u գ)i4 rH u դ)i5 rH u ե)i6 rH u զ)i7 rH u է)i8 rH u ը)i9 rH u թ)i: rH u ժ)i; rH u ի)i< rH u լ)i= rH u խ)i> rH u ծ)i? rH u կ)i@ rH u հ)iA rH u ձ)iB rH u ղ)iC rH u ճ)iD rH u մ)iE rH u յ)iF rH u ն)iG rH u շ)iH rH u ո)iI rH u չ)iJ rH u պ)iK rH u ջ)iL rH u ռ)iM rH u ս)iN rH u վ)iO rH u տ)iP rH u ր)iQ rH u ց)iR rH u ւ)iS rH u փ)iT rH u ք)iU rH u օ)iV rH u ֆ)iW r� )iY r3 )i� rH u եւ)i� r3 )i� r� )i� r3 )i� r� )i� r3 )i� r� )i� r3 )i� r� )i� r3 )i� r� )i r3 )i r� )i r3 r� r� r� r� r� �_seg_9� s r� c C s g d�S )N)d)iu rH u اٴ)iv rH u وٴ)iw rH � ۇٴ)ix rH u 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rq rx r� r� r� r� r� r� r� r� r� r� r r r rr rv r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r r �tupleZ uts46datar� r� r� r� �<module> s� iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii5�������� � � � � ��������������� � � � � �!�"�#�$�%�&�'�(�)�*�+�,�-�.�/�0�1�2�3�4�5�6�7�8�9�:�;�<�=�>�?�@�A�B�C�D�E�F�G�H�I�J�K�L�M�N�O�� _vendor/idna/__init__.py 0000644 00000001521 15114542003 0011216 0 ustar 00 from .package_data import __version__ from .core import ( IDNABidiError, IDNAError, InvalidCodepoint, InvalidCodepointContext, alabel, check_bidi, check_hyphen_ok, check_initial_combiner, check_label, check_nfc, decode, encode, ulabel, uts46_remap, valid_contextj, valid_contexto, valid_label_length, valid_string_length, ) from .intranges import intranges_contain __all__ = [ "IDNABidiError", "IDNAError", "InvalidCodepoint", "InvalidCodepointContext", "alabel", "check_bidi", "check_hyphen_ok", "check_initial_combiner", "check_label", "check_nfc", "decode", "encode", "intranges_contain", "ulabel", "uts46_remap", "valid_contextj", "valid_contexto", "valid_label_length", "valid_string_length", ] _vendor/idna/codec.py 0000644 00000006575 15114542003 0010552 0 ustar 00 from .core import encode, decode, alabel, ulabel, IDNAError import codecs import re from typing import Tuple, Optional _unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]') class Codec(codecs.Codec): def encode(self, data, errors='strict'): # type: (str, str) -> Tuple[bytes, int] if errors != 'strict': raise IDNAError('Unsupported error handling \"{}\"'.format(errors)) if not data: return b"", 0 return encode(data), len(data) def decode(self, data, errors='strict'): # type: (bytes, str) -> Tuple[str, int] if errors != 'strict': raise IDNAError('Unsupported error handling \"{}\"'.format(errors)) if not data: return '', 0 return decode(data), len(data) class IncrementalEncoder(codecs.BufferedIncrementalEncoder): def _buffer_encode(self, data, errors, final): # type: ignore # type: (str, str, bool) -> Tuple[str, int] if errors != 'strict': raise IDNAError('Unsupported error handling \"{}\"'.format(errors)) if not data: return "", 0 labels = _unicode_dots_re.split(data) trailing_dot = '' if labels: if not labels[-1]: trailing_dot = '.' del labels[-1] elif not final: # Keep potentially unfinished label until the next call del labels[-1] if labels: trailing_dot = '.' result = [] size = 0 for label in labels: result.append(alabel(label)) if size: size += 1 size += len(label) # Join with U+002E result_str = '.'.join(result) + trailing_dot # type: ignore size += len(trailing_dot) return result_str, size class IncrementalDecoder(codecs.BufferedIncrementalDecoder): def _buffer_decode(self, data, errors, final): # type: ignore # type: (str, str, bool) -> Tuple[str, int] if errors != 'strict': raise IDNAError('Unsupported error handling \"{}\"'.format(errors)) if not data: return ('', 0) labels = _unicode_dots_re.split(data) trailing_dot = '' if labels: if not labels[-1]: trailing_dot = '.' del labels[-1] elif not final: # Keep potentially unfinished label until the next call del labels[-1] if labels: trailing_dot = '.' result = [] size = 0 for label in labels: result.append(ulabel(label)) if size: size += 1 size += len(label) result_str = '.'.join(result) + trailing_dot size += len(trailing_dot) return (result_str, size) class StreamWriter(Codec, codecs.StreamWriter): pass class StreamReader(Codec, codecs.StreamReader): pass def getregentry(): # type: () -> codecs.CodecInfo # Compatibility as a search_function for codecs.register() return codecs.CodecInfo( name='idna', encode=Codec().encode, # type: ignore decode=Codec().decode, # type: ignore incrementalencoder=IncrementalEncoder, incrementaldecoder=IncrementalDecoder, streamwriter=StreamWriter, streamreader=StreamReader, ) _vendor/idna/compat.py 0000644 00000000550 15114542003 0010743 0 ustar 00 from .core import * from .codec import * from typing import Any, Union def ToASCII(label): # type: (str) -> bytes return encode(label) def ToUnicode(label): # type: (Union[bytes, bytearray]) -> str return decode(label) def nameprep(s): # type: (Any) -> None raise NotImplementedError('IDNA 2008 does not utilise nameprep protocol') _vendor/idna/core.py 0000644 00000031032 15114542003 0010407 0 ustar 00 from . import idnadata import bisect import unicodedata import re from typing import Union, Optional from .intranges import intranges_contain _virama_combining_class = 9 _alabel_prefix = b'xn--' _unicode_dots_re = re.compile('[\u002e\u3002\uff0e\uff61]') class IDNAError(UnicodeError): """ Base exception for all IDNA-encoding related problems """ pass class IDNABidiError(IDNAError): """ Exception when bidirectional requirements are not satisfied """ pass class InvalidCodepoint(IDNAError): """ Exception when a disallowed or unallocated codepoint is used """ pass class InvalidCodepointContext(IDNAError): """ Exception when the codepoint is not valid in the context it is used """ pass def _combining_class(cp): # type: (int) -> int v = unicodedata.combining(chr(cp)) if v == 0: if not unicodedata.name(chr(cp)): raise ValueError('Unknown character in unicodedata') return v def _is_script(cp, script): # type: (str, str) -> bool return intranges_contain(ord(cp), idnadata.scripts[script]) def _punycode(s): # type: (str) -> bytes return s.encode('punycode') def _unot(s): # type: (int) -> str return 'U+{:04X}'.format(s) def valid_label_length(label): # type: (Union[bytes, str]) -> bool if len(label) > 63: return False return True def valid_string_length(label, trailing_dot): # type: (Union[bytes, str], bool) -> bool if len(label) > (254 if trailing_dot else 253): return False return True def check_bidi(label, check_ltr=False): # type: (str, bool) -> bool # Bidi rules should only be applied if string contains RTL characters bidi_label = False for (idx, cp) in enumerate(label, 1): direction = unicodedata.bidirectional(cp) if direction == '': # String likely comes from a newer version of Unicode raise IDNABidiError('Unknown directionality in label {} at position {}'.format(repr(label), idx)) if direction in ['R', 'AL', 'AN']: bidi_label = True if not bidi_label and not check_ltr: return True # Bidi rule 1 direction = unicodedata.bidirectional(label[0]) if direction in ['R', 'AL']: rtl = True elif direction == 'L': rtl = False else: raise IDNABidiError('First codepoint in label {} must be directionality L, R or AL'.format(repr(label))) valid_ending = False number_type = None # type: Optional[str] for (idx, cp) in enumerate(label, 1): direction = unicodedata.bidirectional(cp) if rtl: # Bidi rule 2 if not direction in ['R', 'AL', 'AN', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: raise IDNABidiError('Invalid direction for codepoint at position {} in a right-to-left label'.format(idx)) # Bidi rule 3 if direction in ['R', 'AL', 'EN', 'AN']: valid_ending = True elif direction != 'NSM': valid_ending = False # Bidi rule 4 if direction in ['AN', 'EN']: if not number_type: number_type = direction else: if number_type != direction: raise IDNABidiError('Can not mix numeral types in a right-to-left label') else: # Bidi rule 5 if not direction in ['L', 'EN', 'ES', 'CS', 'ET', 'ON', 'BN', 'NSM']: raise IDNABidiError('Invalid direction for codepoint at position {} in a left-to-right label'.format(idx)) # Bidi rule 6 if direction in ['L', 'EN']: valid_ending = True elif direction != 'NSM': valid_ending = False if not valid_ending: raise IDNABidiError('Label ends with illegal codepoint directionality') return True def check_initial_combiner(label): # type: (str) -> bool if unicodedata.category(label[0])[0] == 'M': raise IDNAError('Label begins with an illegal combining character') return True def check_hyphen_ok(label): # type: (str) -> bool if label[2:4] == '--': raise IDNAError('Label has disallowed hyphens in 3rd and 4th position') if label[0] == '-' or label[-1] == '-': raise IDNAError('Label must not start or end with a hyphen') return True def check_nfc(label): # type: (str) -> None if unicodedata.normalize('NFC', label) != label: raise IDNAError('Label must be in Normalization Form C') def valid_contextj(label, pos): # type: (str, int) -> bool cp_value = ord(label[pos]) if cp_value == 0x200c: if pos > 0: if _combining_class(ord(label[pos - 1])) == _virama_combining_class: return True ok = False for i in range(pos-1, -1, -1): joining_type = idnadata.joining_types.get(ord(label[i])) if joining_type == ord('T'): continue if joining_type in [ord('L'), ord('D')]: ok = True break if not ok: return False ok = False for i in range(pos+1, len(label)): joining_type = idnadata.joining_types.get(ord(label[i])) if joining_type == ord('T'): continue if joining_type in [ord('R'), ord('D')]: ok = True break return ok if cp_value == 0x200d: if pos > 0: if _combining_class(ord(label[pos - 1])) == _virama_combining_class: return True return False else: return False def valid_contexto(label, pos, exception=False): # type: (str, int, bool) -> bool cp_value = ord(label[pos]) if cp_value == 0x00b7: if 0 < pos < len(label)-1: if ord(label[pos - 1]) == 0x006c and ord(label[pos + 1]) == 0x006c: return True return False elif cp_value == 0x0375: if pos < len(label)-1 and len(label) > 1: return _is_script(label[pos + 1], 'Greek') return False elif cp_value == 0x05f3 or cp_value == 0x05f4: if pos > 0: return _is_script(label[pos - 1], 'Hebrew') return False elif cp_value == 0x30fb: for cp in label: if cp == '\u30fb': continue if _is_script(cp, 'Hiragana') or _is_script(cp, 'Katakana') or _is_script(cp, 'Han'): return True return False elif 0x660 <= cp_value <= 0x669: for cp in label: if 0x6f0 <= ord(cp) <= 0x06f9: return False return True elif 0x6f0 <= cp_value <= 0x6f9: for cp in label: if 0x660 <= ord(cp) <= 0x0669: return False return True return False def check_label(label): # type: (Union[str, bytes, bytearray]) -> None if isinstance(label, (bytes, bytearray)): label = label.decode('utf-8') if len(label) == 0: raise IDNAError('Empty Label') check_nfc(label) check_hyphen_ok(label) check_initial_combiner(label) for (pos, cp) in enumerate(label): cp_value = ord(cp) if intranges_contain(cp_value, idnadata.codepoint_classes['PVALID']): continue elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTJ']): try: if not valid_contextj(label, pos): raise InvalidCodepointContext('Joiner {} not allowed at position {} in {}'.format( _unot(cp_value), pos+1, repr(label))) except ValueError: raise IDNAError('Unknown codepoint adjacent to joiner {} at position {} in {}'.format( _unot(cp_value), pos+1, repr(label))) elif intranges_contain(cp_value, idnadata.codepoint_classes['CONTEXTO']): if not valid_contexto(label, pos): raise InvalidCodepointContext('Codepoint {} not allowed at position {} in {}'.format(_unot(cp_value), pos+1, repr(label))) else: raise InvalidCodepoint('Codepoint {} at position {} of {} not allowed'.format(_unot(cp_value), pos+1, repr(label))) check_bidi(label) def alabel(label): # type: (str) -> bytes try: label_bytes = label.encode('ascii') ulabel(label_bytes) if not valid_label_length(label_bytes): raise IDNAError('Label too long') return label_bytes except UnicodeEncodeError: pass if not label: raise IDNAError('No Input') label = str(label) check_label(label) label_bytes = _punycode(label) label_bytes = _alabel_prefix + label_bytes if not valid_label_length(label_bytes): raise IDNAError('Label too long') return label_bytes def ulabel(label): # type: (Union[str, bytes, bytearray]) -> str if not isinstance(label, (bytes, bytearray)): try: label_bytes = label.encode('ascii') except UnicodeEncodeError: check_label(label) return label else: label_bytes = label label_bytes = label_bytes.lower() if label_bytes.startswith(_alabel_prefix): label_bytes = label_bytes[len(_alabel_prefix):] if not label_bytes: raise IDNAError('Malformed A-label, no Punycode eligible content found') if label_bytes.decode('ascii')[-1] == '-': raise IDNAError('A-label must not end with a hyphen') else: check_label(label_bytes) return label_bytes.decode('ascii') label = label_bytes.decode('punycode') check_label(label) return label def uts46_remap(domain, std3_rules=True, transitional=False): # type: (str, bool, bool) -> str """Re-map the characters in the string according to UTS46 processing.""" from .uts46data import uts46data output = '' for pos, char in enumerate(domain): code_point = ord(char) try: uts46row = uts46data[code_point if code_point < 256 else bisect.bisect_left(uts46data, (code_point, 'Z')) - 1] status = uts46row[1] replacement = None # type: Optional[str] if len(uts46row) == 3: replacement = uts46row[2] # type: ignore if (status == 'V' or (status == 'D' and not transitional) or (status == '3' and not std3_rules and replacement is None)): output += char elif replacement is not None and (status == 'M' or (status == '3' and not std3_rules) or (status == 'D' and transitional)): output += replacement elif status != 'I': raise IndexError() except IndexError: raise InvalidCodepoint( 'Codepoint {} not allowed at position {} in {}'.format( _unot(code_point), pos + 1, repr(domain))) return unicodedata.normalize('NFC', output) def encode(s, strict=False, uts46=False, std3_rules=False, transitional=False): # type: (Union[str, bytes, bytearray], bool, bool, bool, bool) -> bytes if isinstance(s, (bytes, bytearray)): s = s.decode('ascii') if uts46: s = uts46_remap(s, std3_rules, transitional) trailing_dot = False result = [] if strict: labels = s.split('.') else: labels = _unicode_dots_re.split(s) if not labels or labels == ['']: raise IDNAError('Empty domain') if labels[-1] == '': del labels[-1] trailing_dot = True for label in labels: s = alabel(label) if s: result.append(s) else: raise IDNAError('Empty label') if trailing_dot: result.append(b'') s = b'.'.join(result) if not valid_string_length(s, trailing_dot): raise IDNAError('Domain too long') return s def decode(s, strict=False, uts46=False, std3_rules=False): # type: (Union[str, bytes, bytearray], bool, bool, bool) -> str if isinstance(s, (bytes, bytearray)): s = s.decode('ascii') if uts46: s = uts46_remap(s, std3_rules, False) trailing_dot = False result = [] if not strict: labels = _unicode_dots_re.split(s) else: labels = s.split('.') if not labels or labels == ['']: raise IDNAError('Empty domain') if not labels[-1]: del labels[-1] trailing_dot = True for label in labels: s = ulabel(label) if s: result.append(s) else: raise IDNAError('Empty label') if trailing_dot: result.append('') return '.'.join(result) _vendor/idna/idnadata.py 0000644 00000122556 15114542003 0011240 0 ustar 00 # This file is automatically generated by tools/idna-data __version__ = '13.0.0' scripts = { 'Greek': ( 0x37000000374, 0x37500000378, 0x37a0000037e, 0x37f00000380, 0x38400000385, 0x38600000387, 0x3880000038b, 0x38c0000038d, 0x38e000003a2, 0x3a3000003e2, 0x3f000000400, 0x1d2600001d2b, 0x1d5d00001d62, 0x1d6600001d6b, 0x1dbf00001dc0, 0x1f0000001f16, 0x1f1800001f1e, 0x1f2000001f46, 0x1f4800001f4e, 0x1f5000001f58, 0x1f5900001f5a, 0x1f5b00001f5c, 0x1f5d00001f5e, 0x1f5f00001f7e, 0x1f8000001fb5, 0x1fb600001fc5, 0x1fc600001fd4, 0x1fd600001fdc, 0x1fdd00001ff0, 0x1ff200001ff5, 0x1ff600001fff, 0x212600002127, 0xab650000ab66, 0x101400001018f, 0x101a0000101a1, 0x1d2000001d246, ), 'Han': ( 0x2e8000002e9a, 0x2e9b00002ef4, 0x2f0000002fd6, 0x300500003006, 0x300700003008, 0x30210000302a, 0x30380000303c, 0x340000004dc0, 0x4e0000009ffd, 0xf9000000fa6e, 0xfa700000fada, 0x16ff000016ff2, 0x200000002a6de, 0x2a7000002b735, 0x2b7400002b81e, 0x2b8200002cea2, 0x2ceb00002ebe1, 0x2f8000002fa1e, 0x300000003134b, ), 'Hebrew': ( 0x591000005c8, 0x5d0000005eb, 0x5ef000005f5, 0xfb1d0000fb37, 0xfb380000fb3d, 0xfb3e0000fb3f, 0xfb400000fb42, 0xfb430000fb45, 0xfb460000fb50, ), 'Hiragana': ( 0x304100003097, 0x309d000030a0, 0x1b0010001b11f, 0x1b1500001b153, 0x1f2000001f201, ), 'Katakana': ( 0x30a1000030fb, 0x30fd00003100, 0x31f000003200, 0x32d0000032ff, 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0x30fb000030fc, ), } _vendor/idna/intranges.py 0000644 00000003615 15114542003 0011457 0 ustar 00 """ Given a list of integers, made up of (hopefully) a small number of long runs of consecutive integers, compute a representation of the form ((start1, end1), (start2, end2) ...). Then answer the question "was x present in the original list?" in time O(log(# runs)). """ import bisect from typing import List, Tuple def intranges_from_list(list_): # type: (List[int]) -> Tuple[int, ...] """Represent a list of integers as a sequence of ranges: ((start_0, end_0), (start_1, end_1), ...), such that the original integers are exactly those x such that start_i <= x < end_i for some i. Ranges are encoded as single integers (start << 32 | end), not as tuples. """ sorted_list = sorted(list_) ranges = [] last_write = -1 for i in range(len(sorted_list)): if i+1 < len(sorted_list): if sorted_list[i] == sorted_list[i+1]-1: continue current_range = sorted_list[last_write+1:i+1] ranges.append(_encode_range(current_range[0], current_range[-1] + 1)) last_write = i return tuple(ranges) def _encode_range(start, end): # type: (int, int) -> int return (start << 32) | end def _decode_range(r): # type: (int) -> Tuple[int, int] return (r >> 32), (r & ((1 << 32) - 1)) def intranges_contain(int_, ranges): # type: (int, Tuple[int, ...]) -> bool """Determine if `int_` falls into one of the ranges in `ranges`.""" tuple_ = _encode_range(int_, 0) pos = bisect.bisect_left(ranges, tuple_) # we could be immediately ahead of a tuple (start, end) # with start < int_ <= end if pos > 0: left, right = _decode_range(ranges[pos-1]) if left <= int_ < right: return True # or we could be immediately behind a tuple (int_, end) if pos < len(ranges): left, _ = _decode_range(ranges[pos]) if left == int_: return True return False _vendor/idna/package_data.py 0000644 00000000025 15114542003 0012041 0 ustar 00 __version__ = '3.2' _vendor/idna/uts46data.py 0000644 00000612171 15114542003 0011307 0 ustar 00 # 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This exception is raised while only one-shot (not streaming) unpack. c C s || _ || _d S )N)�unpacked�extra)�selfr r r r r �__init__% s zExtraData.__init__c C s dS )Nz unpack(b) received extra data.r )r r r r �__str__) s zExtraData.__str__N)r r r r r r r r r r r s r N) � Exceptionr r r � ValueErrorr r ZUnpackValueErrorr Z PackExceptionZPackValueError� OverflowErrorZPackOverflowErrorr r r r �<module> s _vendor/msgpack/__pycache__/ext.cpython-39.opt-1.pyc 0000644 00000014144 15114542003 0016224 0 ustar 00 a [��f� � @ s� d dl mZ d dlZd dlZd dlZejd dkZerDeefZ dZ n4eZ z ej j Z W n" e yv e� e�d ��Z Y n0 G dd� dedd��ZG dd� de�ZdS ) � )� namedtupleN� c s e Zd ZdZ� fdd�Z� ZS )�ExtTypez'ExtType represents ext type in msgpack.c sV t |t�std��t |t�s$td��d| kr8dksBn td��tt| ��| ||�S )Nzcode must be intzdata must be bytesr � zcode must be 0~127)� isinstance�int� TypeError�bytes� ValueError�superr �__new__)�cls�code�data�� __class__� �;/usr/lib/python3.9/site-packages/pip/_vendor/msgpack/ext.pyr s zExtType.__new__)�__name__� __module__� __qualname__�__doc__r � __classcell__r r r r r s r z code datac @ s� e Zd ZdZddgZd dd�Zdd� Zd d � Zd d � Zd d� Z e dd� �Z dd� Z e dd� �Z dd� Ze dd� �Zdd� Zdd � Ze d d � �Zd S )!� TimestampaR Timestamp represents the Timestamp extension type in msgpack. 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Note: Negative times (before the UNIX epoch) are represented as negative seconds + positive ns. zseconds must be an intergerz nanoseconds must be an integerr � ʚ;z?nanoseconds must be a non-negative integer less than 999999999.N)r � int_typesr r r r )�selfr r r r r �__init__- s �zTimestamp.__init__c C s d� | j| j�S )z#String representation of Timestamp.z'Timestamp(seconds={0}, nanoseconds={1}))�formatr r �r r r r �__repr__E s �zTimestamp.__repr__c C s* t |�| ju r&| j|jko$| j|jkS dS )z0Check for equality with another Timestamp objectF)�typer r r �r �otherr r r �__eq__K s �zTimestamp.__eq__c C s | � |� S )z(not-equals method (see :func:`__eq__()`))r& r$ r r r �__ne__S s zTimestamp.__ne__c C s t | j| jf�S )N)�hashr r r! r r r �__hash__W s zTimestamp.__hash__c C s� t | �dkr"t�d| �d }d}nTt | �dkrPt�d| �d }|d@ }|d? }n&t | �dkrnt�d | �\}}ntd ��t||�S ) a Unpack bytes into a `Timestamp` object. Used for pure-Python msgpack unpacking. :param b: Payload from msgpack ext message with code -1 :type b: bytes :returns: Timestamp object unpacked from msgpack ext payload :rtype: Timestamp � �!Lr � �!Ql �� �" � �!IqzFTimestamp type can only be created from 32, 64, or 96-bit byte objects)�len�struct�unpackr r )�br r �data64r r r � from_bytesZ s �zTimestamp.from_bytesc C s\ | j d? dkrF| jd> | j B }|d@ dkr8t�d|�}qXt�d|�}nt�d| j| j �}|S )z�Pack this Timestamp object into bytes. Used for pure-Python msgpack packing. :returns data: Payload for EXT message with code -1 (timestamp type) :rtype: bytes r. r l �� r+ r- r0 )r r r2 �pack)r r5 r r r r �to_bytesu s zTimestamp.to_bytesc C s& t | d �}t | d d �}t||�S )z�Create a Timestamp from posix timestamp in seconds. :param unix_float: Posix timestamp in seconds. :type unix_float: int or float. � r )r r )Zunix_secr r r r r � from_unix� s zTimestamp.from_unixc C s | j | jd S )znGet the timestamp as a floating-point value. :returns: posix timestamp :rtype: float g e��A�r r r! r r r �to_unix� s zTimestamp.to_unixc C s t t| d�� S )z�Create a Timestamp from posix timestamp in nanoseconds. :param int unix_ns: Posix timestamp in nanoseconds. :rtype: Timestamp r )r �divmod)Zunix_nsr r r �from_unix_nano� s zTimestamp.from_unix_nanoc C s | j d | j S )z~Get the timestamp as a unixtime in nanoseconds. :returns: posix timestamp in nanoseconds :rtype: int r r; r! r r r � to_unix_nano� s zTimestamp.to_unix_nanoc C s t j �dt�t j| �� d� S )zlGet the timestamp as a UTC datetime. 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(default: max_buffer_size//2) :param int max_ext_len: Deprecated, use *max_buffer_size* instead. Limits max size of ext type. (default: max_buffer_size) Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker(max_buffer_size) while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. Nr TFi @���c C s� | d u r d} |d u r d| _ n t|j�s.td��|| _d| _ t� | _d| _d| _| sVd} | dkrb| } |dkrn| }|dkrz| }|dkr�| d }|dkr�| }| | _ || j kr�t d ��|p�t | j d �| _ t |�| _t |�| _| | _|| _d| kr�d ks�n t d ��|| _| | _|| _|| _| | _| | _|| _|| _|| _|| _d| _ | d u�r\t| ��s\td ��|d u�rxt|��sxtd��|d u�r�t|��s�td��|d u�r�|d u�r�td��t| ��s�td��d S )N�strictTz!`file_like.read` must be callableFr i���rQ r z.read_size must be smaller than max_buffer_sizei @ r ztimestamp must be 0..3z`list_hook` is not callablez `object_hook` is not callablez#`object_pairs_hook` is not callablez8object_pairs_hook and object_hook are mutually exclusivez`ext_hook` is not callable) �_feeding�callable�read� TypeError� file_liker# �_buffer�_buff_i�_buf_checkpoint�_max_buffer_sizer< �min� _read_size�bool�_raw�_strict_map_key�_unicode_errors� _use_list� _timestamp� _list_hook� _object_hook�_object_pairs_hook� _ext_hook� _max_str_len� _max_bin_len�_max_array_len� _max_map_len� _max_ext_len�_stream_offset)r rW Z read_sizeZuse_list�rawZ timestampZstrict_map_keyZ object_hookZobject_pairs_hookZ list_hook�unicode_errorsr? 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See also simplejson's document. :param bool use_single_float: Use single precision float type for float. (default: False) :param bool autoreset: Reset buffer after each pack and return its content as `bytes`. (default: True). If set this to false, use `bytes()` to get content and `.reset()` to clear buffer. :param bool use_bin_type: Use bin type introduced in msgpack spec 2.0 for bytes. It also enables str8 type for unicode. (default: True) :param bool strict_types: If set to true, types will be checked to be exact. Derived classes from serializable types will not be serialized and will be treated as unsupported type and forwarded to default. Additionally tuples will not be serialized as lists. This is useful when trying to implement accurate serialization for python types. :param bool datetime: If set to true, datetime with tzinfo is packed into Timestamp type. Note that the tzinfo is stripped in the timestamp. You can get UTC datetime with `timestamp=3` option of the Unpacker. (Python 2 is not supported). :param str unicode_errors: The error handler for encoding unicode. (default: 'strict') DO NOT USE THIS!! This option is kept for very specific usage. Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker() while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. 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N)r rX r& r r r �reset3 s z Packer.resetc C s" t strt| �� �S | j�� S dS )z Return view of internal buffer.N)�USING_STRINGBUILDERr� r! r$ rX � getbufferr& r r r r : s zPacker.getbuffer)NFTTFFN)r( r) r* r� r �DEFAULT_RECURSE_LIMITr r: r� r� r� r� r� r r� r� r� r� r� r$ r r r r r r r� � s4 F � � z r� )r );r� r r� r� rK � version_infor� r Zlongr� r r r� �ranger� � RuntimeErrorrC r �hasattrZ__pypy__r Z__pypy__.buildersr r � ImportErrorr �objectr �ior+ � exceptionsr. r/ r0 r1 r2 �extr3 r4 r� r� r� r� r� r� r� r� r� r� r r8 r9 r: r> rH rP rL r@ r� r r r r �<module> sf S _vendor/msgpack/__pycache__/fallback.cpython-39.pyc 0000644 00000064102 15114542003 0016223 0 ustar 00 a [��f�� � @ s� d Z ddlmZ ddlZddlZejd dkZerDeefZ dd� Z neZ e Z e Zdd� Z ejdk rpeZd d � Znd d � Zeed �r�dd lmZ zddlmZ W n ey� ddlmZ Y n0 dZG dd� de�ZndZddl m Z dd� Zddl m Z m Z m!Z!m"Z"m#Z# ddl$m%Z%m&Z& dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/d Z0d Z1e2e3fd d �Z4d d!� Z5d"d#� Z6ejd$k �rzd+d%d&�Z7nej8Z7G d'd(� d(e�Z9G d)d*� d*e�Z:dS ),z.Fallback pure Python implementation of msgpack� )�datetimeN� c C s | � � S �N)Z iteritems��d� r �@/usr/lib/python3.9/site-packages/pip/_vendor/msgpack/fallback.py�dict_iteritems s r c C s | � � S r )�itemsr r r r r s )� � c C s. t | j�dko,t| jd t�o,| jd �d�S )N� r z maximum recursion depth exceeded)�len�args� isinstance�str� startswith��er r r �_is_recursionerror s ��r c C s dS )NTr r r r r r ' s Zpypy_version_info)� newlist_hint)� BytesBuilder)� StringBuilderTc @ s& e Zd Zd dd�Zdd� Zdd� ZdS ) �StringIO� c C s, |r t t|��| _| j�|� nt � | _d S r )r r �builder�append��self�sr r r �__init__7 s zStringIO.__init__c C s6 t |t�r|�� }nt |t�r&t|�}| j�|� d S r )r � memoryview�tobytes� bytearray�bytesr r r r r r �write> s zStringIO.writec C s | j �� S r )r Zbuild�r r r r �getvalueE s zStringIO.getvalueN)r )�__name__� __module__� __qualname__r r% r' r r r r r 6 s r F)�BytesIOc C s g S r r )�sizer r r �<lambda>M r r- r )� BufferFull� OutOfData� ExtraData� FormatError� StackError)�ExtType� Timestampr � r i� c C s( ||�|u r|| �|v S || �|u S d S r r )�obj�t�type�tupler r r �_check_type_strictd s r: c C s t | �}|jdkrtd��|S )Nr z$cannot unpack from multi-byte object)r! �itemsize� ValueError)r6 �viewr r r �_get_data_from_bufferk s r> c K s� t ddt| �i|��}|�| � z |�� }W nJ tyF td��Y n2 tyv } zt|�r`t�� W Y d}~n d}~0 0 |� � r�t ||� � ��|S )aw Unpack an object from `packed`. Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``ValueError`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. See :class:`Unpacker` for options. N�max_buffer_sizez Unpack failed: incomplete input)N) �Unpackerr �feed�_unpackr/ r< �RecursionErrorr r2 �_got_extradatar0 �_get_extradata)Zpacked�kwargsZunpacker�retr r r r �unpackbr s rH )r � � c C s t �| t|�|�S )z0Explicit type cast for legacy struct.unpack_from)�struct� unpack_fromr$ )�f�b�or r r � _unpack_from� s rP c @ s� e Zd ZdZdddddddddddedddddfdd �Zd d � Zd d � Zdd� Zdd� Z dd� Z d*dd�Z d+dd�Z e fdd�Ze fdd�Zd d � Zd d � ZeZd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� ZdS ),r@ a� Streaming unpacker. Arguments: :param file_like: File-like object having `.read(n)` method. If specified, unpacker reads serialized data from it and :meth:`feed()` is not usable. :param int read_size: Used as `file_like.read(read_size)`. (default: `min(16*1024, max_buffer_size)`) :param bool use_list: If true, unpack msgpack array to Python list. Otherwise, unpack to Python tuple. (default: True) :param bool raw: If true, unpack msgpack raw to Python bytes. Otherwise, unpack to Python str by decoding with UTF-8 encoding (default). :param int timestamp: Control how timestamp type is unpacked: 0 - Timestamp 1 - float (Seconds from the EPOCH) 2 - int (Nanoseconds from the EPOCH) 3 - datetime.datetime (UTC). Python 2 is not supported. :param bool strict_map_key: If true (default), only str or bytes are accepted for map (dict) keys. :param callable object_hook: When specified, it should be callable. Unpacker calls it with a dict argument after unpacking msgpack map. (See also simplejson) :param callable object_pairs_hook: When specified, it should be callable. Unpacker calls it with a list of key-value pairs after unpacking msgpack map. (See also simplejson) :param str unicode_errors: The error handler for decoding unicode. (default: 'strict') This option should be used only when you have msgpack data which contains invalid UTF-8 string. :param int max_buffer_size: Limits size of data waiting unpacked. 0 means 2**32-1. The default value is 100*1024*1024 (100MiB). Raises `BufferFull` exception when it is insufficient. You should set this parameter when unpacking data from untrusted source. :param int max_str_len: Deprecated, use *max_buffer_size* instead. Limits max length of str. (default: max_buffer_size) :param int max_bin_len: Deprecated, use *max_buffer_size* instead. Limits max length of bin. (default: max_buffer_size) :param int max_array_len: Limits max length of array. (default: max_buffer_size) :param int max_map_len: Limits max length of map. (default: max_buffer_size//2) :param int max_ext_len: Deprecated, use *max_buffer_size* instead. Limits max size of ext type. (default: max_buffer_size) Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker(max_buffer_size) while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. Nr TFi @���c C s� | d u r d} |d u r d| _ n t|j�s.td��|| _d| _ t� | _d| _d| _| sVd} | dkrb| } |dkrn| }|dkrz| }|dkr�| d }|dkr�| }| | _ || j kr�t d ��|p�t | j d �| _ t |�| _t |�| _| | _|| _d| kr�d ks�n t d ��|| _| | _|| _|| _| | _| | _|| _|| _|| _|| _d| _ | d u�r\t| ��s\td ��|d u�rxt|��sxtd��|d u�r�t|��s�td��|d u�r�|d u�r�td��t| ��s�td��d S )N�strictTz!`file_like.read` must be callableFr i���rQ r z.read_size must be smaller than max_buffer_sizei @ r ztimestamp must be 0..3z`list_hook` is not callablez `object_hook` is not callablez#`object_pairs_hook` is not callablez8object_pairs_hook and object_hook are mutually exclusivez`ext_hook` is not callable) �_feeding�callable�read� TypeError� file_liker# �_buffer�_buff_i�_buf_checkpoint�_max_buffer_sizer< �min� _read_size�bool�_raw�_strict_map_key�_unicode_errors� _use_list� _timestamp� _list_hook� _object_hook�_object_pairs_hook� _ext_hook� _max_str_len� _max_bin_len�_max_array_len� _max_map_len� _max_ext_len�_stream_offset)r rW Z read_sizeZuse_list�rawZ timestampZstrict_map_keyZ object_hookZobject_pairs_hookZ list_hook�unicode_errorsr? 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N)rm rY rZ r& r r r �_consumed s zUnpacker._consumec C s | j t| j�k S r )rY r rX r& r r r rD i s zUnpacker._got_extradatac C s | j | jd � S r )rX rY r& r r r rE l s zUnpacker._get_extradatac C s | j |dd�}| �� |S )NF��raise_outofdata)�_readrr �r �nrG r r r � read_byteso s zUnpacker.read_bytesc C s8 | j ||d� | j}| j||| � }|t|� | _|S )Nrs )�_reserverY rX r )r rw rt �irG r r r ru t s zUnpacker._readc C s� t | j�| j | }|dkr d S | jr2| j| _t�| jdkr`| jd | j�= | j| j8 _d| _| }|dkr�t| j|�}| j� |�}|s�q�t |t �s�J �| j|7 _|t |�8 }qft | j�|| j k r�|r�d| _t�d S rp ) r rX rY rS rZ r/ �maxr] rW rU r r$ )r rw rt Z remain_bytesZ to_read_bytesZ read_datar r r ry | s, zUnpacker._reservec C s& t }d}d }| �d� | j| j }| jd7 _|d@ dkrD|}� n�|d@ dkr`d|dA }� n�|d@ dkr�|d@ }t}|| jkr�td || j��| �|�}� n~|d @ d kr�|d @ }t}|| j kr�td || j ��� nJ|d @ dk�r |d @ }t }|| j k� r td|| j ��� n|dk�r d }� n |dk�r.d}�n�|dk�r@d}�n�|dk�r�t }| �d� | j| j }| jd7 _|| j k�r�td|| j f ��| �|�}�n~|dk�rt }| �d� td| j| j�d }| jd7 _|| j k�r�td|| j f ��| �|�}�n|dk�rjt }| �d� td| j| j�d }| jd7 _|| j k�r\td|| j f ��| �|�}�n�|d k�r�t}| �d� td | j| j�\}}| jd7 _|| jk�r�td || jf ��| �|�}�nL|d k�r6t}| �d � td!| j| j�\}}| jd 7 _|| jk�r(td || jf ��| �|�}�n�|d"k�r�t}| �d#� td$| j| j�\}}| jd#7 _|| jk�r�td || jf ��| �|�}�n�|d%k�r�| �d� td&| j| j�d }| jd7 _�nF|d'k�r| �d(� td)| j| j�d }| jd(7 _�n |d*k�rB| �d� | j| j }| jd7 _�n�|d+k�r|| �d� td| j| j�d }| jd7 _�n�|d,k�r�| �d� td| j| j�d }| jd7 _�nf|d-k�r�| �d(� td.| j| j�d }| jd(7 _�n,|d/k�r*| �d� td0| j| j�d }| jd7 _�n�|d1k�rd| �d� td2| j| j�d }| jd7 _�n�|d3k�r�| �d� td4| j| j�d }| jd7 _�n~|d5k�r�| �d(� td6| j| j�d }| jd(7 _�nD|d7k�r4t}| jdk �rtd d| jf ��| �d� td8| j| j�\}}| jd7 _�n�|d9k�r�t}| jdk �r`td d| jf ��| �d � td:| j| j�\}}| jd 7 _�n�|d;k�r�t}| jdk �r�td d| jf ��| �d#� td<| j| j�\}}| jd#7 _�n0|d=k�rHt}| jd(k �rtd d(| jf ��| �d>� td?| j| j�\}}| jd>7 _�n�|d@k�r�t}| jdAk �rttd dA| jf ��| �dB� tdC| j| j�\}}| jdB7 _�nx|dDk�r�t}| �d� | j| j }| jd7 _|| jk�r�td || j��| �|�}�n |dEk�r^t}| �d� td| j| j�\}| jd7 _|| jk�rPtd || j��| �|�}�n�|dFk�r�t}| �d� td| j| j�\}| jd7 _|| jk�r�td || j��| �|�}�n^|dGk� rt}| �d� td| j| j�\}| jd7 _|| j k� r td || j ���n|dHk� rht}| �d� td| j| j�\}| jd7 _|| j k� r td || j ��n�|dIk� r�| �d� td| j| j�\}| jd7 _|| j k� r�td|| j ��t }n`|dJk� r| �d� td| j| j�\}| jd7 _|| j k� r td|| j ��t }n tdK| ��|||fS )LNr r � �� rQ � � � z%s exceeds max_str_len(%s)�� � � z %s exceeds max_array_len(%s)z%s exceeds max_map_len(%s)� �� F�� T�� z%s exceeds max_bin_len(%s)�� r �>H�� r5 �>I�� ZBbz%s exceeds max_ext_len(%s)�� r z>Hb�� r z>Ib�� z>f�� � z>d�� �� �� �� z>Q�� rN �� z>h�� z>i�� z>q�� Zb1s�� Zb2s�� Zb4s�� � Zb8s�� � � Zb16s�� �� �� �� �� �� �� zUnknown header: 0x%x)�TYPE_IMMEDIATEry rX rY �TYPE_RAWrh r< ru � TYPE_ARRAYrj �TYPE_MAPrk �TYPE_BINri rP �TYPE_EXTrl r1 )r �execute�typrw r6 rN �Lr r r � _read_header� s� zUnpacker._read_headerc s� � � |�\}}}|tkr,|tkr(td��|S |tkrH|tkrDtd��|S |tkr�|tkrtt|�D ]}� �t� q`d S t |�}t|�D ]}|� � �t �� q�� j d ur�� � |�}� j r�|S t|�S |tk�r�|tkr�t|�D ]}� �t� � �t� q�d S � jd u�r"� �� fdd�t|�D ��}n�i }t|�D ]j}� �t �}� j�rjt|�ttfv�rjtdtt|�� ��t�s�t|�tu �r�t�|�}� �t �||< �q.� jd u�r�� �|�}|S |tk�r�d S |tk�r� j�r�t|�}n|�d� j �}|S |t k�rt|�S |t k�rv|dk�rft � t|��} � j!dk�r8| �"� S � j!d k�rL| �#� S � j!d k�r`| �$� S | S n� �%|t|��S |t&k�s�J �|S ) NzExpected arrayz Expected mapc 3 s" | ]}� � t�� � t�fV qd S r )rB � EX_CONSTRUCT)�.0�_r& r r � <genexpr>� s �z#Unpacker._unpack.<locals>.<genexpr>z %s is not allowed for map key�utf_8rQ r r r )'r� �EX_READ_ARRAY_HEADERr� r< �EX_READ_MAP_HEADERr� �EX_SKIP�xrangerB r r r� rd rb r9 rf r` r8 �unicoder$ r �PY2�sys�internre r� r_ �decodera r� r� r4 � from_bytesrc Zto_unixZ to_unix_nanoZ to_datetimerg r� ) r r� r� rw r6 rz rG r� �key�tsr r& r rB p s� � � zUnpacker._unpackc C s | S r r r& r r r �__iter__� s zUnpacker.__iter__c C sP z| � t�}| �� |W S ty6 | �� t�Y n tyJ t�Y n0 d S r )rB r� rr r/ � StopIterationrC r2 �r rG r r r �__next__� s zUnpacker.__next__c C s | � t� | �� d S r )rB r� rr r& r r r �skip� s z Unpacker.skipc C s2 z| � t�}W n ty$ t�Y n0 | �� |S r )rB r� rC r2 rr r� r r r �unpack� s zUnpacker.unpackc C s | � t�}| �� |S r )rB r� rr r� r r r �read_array_header� s zUnpacker.read_array_headerc C s | � t�}| �� |S r )rB r� rr r� r r r �read_map_header� s zUnpacker.read_map_headerc C s | j S r )rm r& r r r �tell� s z Unpacker.tell)T)T)r( r) r* �__doc__r3 r rA rr rD rE rx ru ry r� r� rB r� r� �nextr� r� r� r� r� r r r r r@ � sJ a� ] U M r@ c @ s� e Zd ZdZd#dd�Zeeefdd�Zd d � Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zefdd�Zdd� Zdd � Zd d � Zd d � Zd!d"� ZdS )$�Packera8 MessagePack Packer Usage:: packer = Packer() astream.write(packer.pack(a)) astream.write(packer.pack(b)) Packer's constructor has some keyword arguments: :param callable default: Convert user type to builtin type that Packer supports. See also simplejson's document. :param bool use_single_float: Use single precision float type for float. (default: False) :param bool autoreset: Reset buffer after each pack and return its content as `bytes`. (default: True). If set this to false, use `bytes()` to get content and `.reset()` to clear buffer. :param bool use_bin_type: Use bin type introduced in msgpack spec 2.0 for bytes. It also enables str8 type for unicode. (default: True) :param bool strict_types: If set to true, types will be checked to be exact. Derived classes from serializable types will not be serialized and will be treated as unsupported type and forwarded to default. Additionally tuples will not be serialized as lists. This is useful when trying to implement accurate serialization for python types. :param bool datetime: If set to true, datetime with tzinfo is packed into Timestamp type. Note that the tzinfo is stripped in the timestamp. You can get UTC datetime with `timestamp=3` option of the Unpacker. (Python 2 is not supported). :param str unicode_errors: The error handler for encoding unicode. (default: 'strict') DO NOT USE THIS!! This option is kept for very specific usage. Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker() while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. NFTc C sf || _ || _|| _|| _t� | _tr0|r0td��t|�| _ |p@d| _ |d ur\t |�s\t d��|| _ d S )Nz%datetime is not supported in Python 2rR zdefault must be callable)� _strict_types� _use_float� _autoreset� _use_bin_typer rX r� r< r^ � _datetimera rT rV �_default)r �defaultZuse_single_floatZ autoresetZ use_bin_typeZ strict_typesr ro r r r r , s zPacker.__init__c C s� d}| j r|}t}nttf}|dk r,td��|d u r@| j�d�S ||t�rf|rZ| j�d�S | j�d�S ||t��r�d| kr�dk r�n n| j�t� d|��S d | kr�dk r�n n| j�t� d |��S d| kr�d kr�n n| j�t� d d |��S d| k�rdk �r*n n| j�t� dd|��S d | k �rBdk�r\n n| j�t� dd|��S d| k�rtdk �r�n n| j�t� dd|��S d| k �r�dk�r�n n| j�t� dd|��S d| k�r�dk �r�n n| j�t� dd |��S d| k �r d k�r$n n| j�t� d d |��S d | k�r<dk �rVn n| j�t� d!d"|��S |�sx| j d u�rx| � |�}d#}q t d$��||t t f��r�t|�}|d%k�r�td&t|�j ��| �|� | j�|�S ||t��r|�d'| j�}t|�}|d%k�r�td(��| �|� | j�|�S ||t��rVt|�|j }|d%k�r@td)��| �|� | j�|�S ||t��r�| j�r�| j�t� d*d+|��S | j�t� d,d-|��S ||ttf��r�||t��r�d.}|� � } n |j }|j } t |t ��s�J �t | t ��s�J �t| �} | d/k�r | j�d0� n�| d1k�r$| j�d2� n�| d3k�r<| j�d4� n�| d5k�rT| j�d6� nr| d7k�rl| j�d8� nZ| d k�r�| j�t� d9d:| �� n8| dk�r�| j�t� dd;| �� n| j�t� dd<| �� | j�t� d |�� | j�| � d S |||��r0t|�}| �!|� t"|�D ]} | �#|| |d/ � �qd S ||t$��rV| �%t|�t&|�|d/ �S | j'�r�||t(��r�|j)d u�r�t�*|�}d/}q |�s�| j d u�r�| � |�}d/}q t+d=|f ��q d S )>NFr zrecursion limit exceeded� �� �� �r| �Bi��rN r~ ZBBr� i����z>Bbr� � �>BHr� i ���z>Bhr� � �� �>BIr� i �z>Bir� l ���� z>BQr� l���� z>Bqr� TzInteger value out of range� z%s is too largezutf-8zString is too largezMemoryview is too largez>Bfr� z>Bdr� rQ r � �r � �r5 � �r� � �r� � �>BBr� r� r� zCannot serialize %r),r� �listr9 r< rX r% r^ � int_typesrK �packr� � OverflowErrorr$ r# r r8 r( �_pack_bin_headerr� �encodera �_pack_raw_headerr! r; �floatr� r3 r4 �to_bytes�code�datar �int�_pack_array_headerr� �_pack�dict�_pack_map_pairsr r� � _DateTimeZtzinfoZ from_datetimerV ) r r6 � nest_limit�checkZcheck_type_strictZ default_usedZ list_typesrw r� r� r� rz r r r r� D s� � z Packer._packc C sF z| � |� W n t� | _� Y n0 | jrB| j�� }t� | _|S d S r )r� r rX r� r' )r r6 rG r r r r� � s z Packer.packc C s0 | � t|�|� | jr,| j�� }t� | _|S d S r )r� r r� rX r' r )r �pairsrG r r r �pack_map_pairs� s zPacker.pack_map_pairsc C s6 |dkr t �| �|� | jr2| j�� }t� | _|S d S �Nr� )r< r� r� rX r' r rv r r r �pack_array_header� s zPacker.pack_array_headerc C s6 |dkr t �| �|� | jr2| j�� }t� | _|S d S r� )r< �_pack_map_headerr� rX r' r rv r r r �pack_map_header� s zPacker.pack_map_headerc C sJ t |t�std��d| kr&dks0n td��t |t�sBtd��t|�}|dkrZtd��|dkrp| j�d � n�|d kr�| j�d � n�|d kr�| j�d � n�|dkr�| j�d� nt|dkr�| j�d� n^|dkr�| j�dt� d|� � n<|dk�r| j�dt� d|� � n| j�dt� d|� � | j�t� d|�� | j�|� d S )Nz typecode must have int type.r � ztypecode should be 0-127zdata must have bytes typer� zToo large datar r� r r� r5 r� r� r� r� r� r~ � �r� r� � �r� � �r� ) r r� rV r< r$ r rX r% rK r� )r �typecoder� r� r r r � pack_ext_type� s4 zPacker.pack_ext_typec C sh |dkr | j �t�dd| ��S |dkr>| j �t�dd|��S |dkr\| j �t�dd |��S td ��d S ) Nr� r� r� r� r� r� r� r� r� zArray is too large�rX r% rK r� r< �r rw r r r r� � s zPacker._pack_array_headerc C sh |dkr | j �t�dd| ��S |dkr>| j �t�dd|��S |dkr\| j �t�dd |��S td ��d S ) Nr� r� r| r� r� r� r� r� r� zDict is too larger r r r r r� s zPacker._pack_map_headerc C s< | � |� |D ](\}}| �||d � | �||d � qd S )Nr )r� r� )r rw r� r� �k�vr r r r� s zPacker._pack_map_pairsc C s� |dkr"| j �t�dd| �� nn| jrH|dkrH| j �t�dd|�� nH|dkrh| j �t�dd |�� n(|d kr�| j �t�d d |�� ntd ��d S )Nr� r� r r~ r� r� r� r� r� r� r� r� zRaw is too large)rX r% rK r� r� r< r r r r r� s zPacker._pack_raw_headerc C sv | j s| �|�S |dkr.| j�t�dd|��S |dkrL| j�t�dd|��S |dkrj| j�t�dd |��S td ��d S ) Nr~ r� r� r� r� r� r� r� r� zBin is too large)r� r� rX r% rK r� r< r r r r r� # s zPacker._pack_bin_headerc C s | j �� S )z/Return internal buffer contents as bytes object)rX r' r& r r r r$ / s z Packer.bytesc C s t � | _dS )zYReset internal buffer. This method is useful only when autoreset=False. N)r rX r& r r r �reset3 s z Packer.resetc C s" t strt| �� �S | j�� S dS )z Return view of internal buffer.N)�USING_STRINGBUILDERr� r! r$ rX � getbufferr& r r r r : s zPacker.getbuffer)NFTTFFN)r( r) r* r� r �DEFAULT_RECURSE_LIMITr r: r� r� r� r� r� r r� r� r� r� r� r$ r r r r r r r� � s4 F � � z r� )r );r� r r� r� rK � version_infor� r� Zlongr� r r r� �ranger� � RuntimeErrorrC r �hasattrZ__pypy__r Z__pypy__.buildersr r � ImportErrorr �objectr �ior+ � exceptionsr. r/ r0 r1 r2 �extr3 r4 r� r� r� r� r� r� r� r� r� r� r r8 r9 r: r> rH rP rL r@ r� r r r r �<module> sf S _vendor/msgpack/__init__.py 0000644 00000002136 15114542003 0011733 0 ustar 00 # coding: utf-8 from ._version import version from .exceptions import * from .ext import ExtType, Timestamp import os import sys if os.environ.get("MSGPACK_PUREPYTHON") or sys.version_info[0] == 2: from .fallback import Packer, unpackb, Unpacker else: try: from ._cmsgpack import Packer, unpackb, Unpacker except ImportError: from .fallback import Packer, unpackb, Unpacker def pack(o, stream, **kwargs): """ Pack object `o` and write it to `stream` See :class:`Packer` for options. """ packer = Packer(**kwargs) stream.write(packer.pack(o)) def packb(o, **kwargs): """ Pack object `o` and return packed bytes See :class:`Packer` for options. """ return Packer(**kwargs).pack(o) def unpack(stream, **kwargs): """ Unpack an object from `stream`. Raises `ExtraData` when `stream` contains extra bytes. See :class:`Unpacker` for options. """ data = stream.read() return unpackb(data, **kwargs) # alias for compatibility to simplejson/marshal/pickle. load = unpack loads = unpackb dump = pack dumps = packb _vendor/msgpack/_version.py 0000644 00000000024 15114542003 0012012 0 ustar 00 version = (1, 0, 2) _vendor/msgpack/exceptions.py 0000644 00000002071 15114542003 0012353 0 ustar 00 class UnpackException(Exception): """Base class for some exceptions raised while unpacking. NOTE: unpack may raise exception other than subclass of UnpackException. If you want to catch all error, catch Exception instead. """ class BufferFull(UnpackException): pass class OutOfData(UnpackException): pass class FormatError(ValueError, UnpackException): """Invalid msgpack format""" class StackError(ValueError, UnpackException): """Too nested""" # Deprecated. Use ValueError instead UnpackValueError = ValueError class ExtraData(UnpackValueError): """ExtraData is raised when there is trailing data. This exception is raised while only one-shot (not streaming) unpack. """ def __init__(self, unpacked, extra): self.unpacked = unpacked self.extra = extra def __str__(self): return "unpack(b) received extra data." # Deprecated. Use Exception instead to catch all exception during packing. PackException = Exception PackValueError = ValueError PackOverflowError = OverflowError _vendor/msgpack/ext.py 0000644 00000013710 15114542003 0010774 0 ustar 00 # coding: utf-8 from collections import namedtuple import datetime import sys import struct PY2 = sys.version_info[0] == 2 if PY2: int_types = (int, long) _utc = None else: int_types = int try: _utc = datetime.timezone.utc except AttributeError: _utc = datetime.timezone(datetime.timedelta(0)) class ExtType(namedtuple("ExtType", "code data")): """ExtType represents ext type in msgpack.""" def __new__(cls, code, data): if not isinstance(code, int): raise TypeError("code must be int") if not isinstance(data, bytes): raise TypeError("data must be bytes") if not 0 <= code <= 127: raise ValueError("code must be 0~127") return super(ExtType, cls).__new__(cls, code, data) class Timestamp(object): """Timestamp represents the Timestamp extension type in msgpack. When built with Cython, msgpack uses C methods to pack and unpack `Timestamp`. When using pure-Python msgpack, :func:`to_bytes` and :func:`from_bytes` are used to pack and unpack `Timestamp`. This class is immutable: Do not override seconds and nanoseconds. """ __slots__ = ["seconds", "nanoseconds"] def __init__(self, seconds, nanoseconds=0): """Initialize a Timestamp object. :param int seconds: Number of seconds since the UNIX epoch (00:00:00 UTC Jan 1 1970, minus leap seconds). May be negative. :param int nanoseconds: Number of nanoseconds to add to `seconds` to get fractional time. Maximum is 999_999_999. Default is 0. Note: Negative times (before the UNIX epoch) are represented as negative seconds + positive ns. """ if not isinstance(seconds, int_types): raise TypeError("seconds must be an interger") if not isinstance(nanoseconds, int_types): raise TypeError("nanoseconds must be an integer") if not (0 <= nanoseconds < 10 ** 9): raise ValueError( "nanoseconds must be a non-negative integer less than 999999999." ) self.seconds = seconds self.nanoseconds = nanoseconds def __repr__(self): """String representation of Timestamp.""" return "Timestamp(seconds={0}, nanoseconds={1})".format( self.seconds, self.nanoseconds ) def __eq__(self, other): """Check for equality with another Timestamp object""" if type(other) is self.__class__: return ( self.seconds == other.seconds and self.nanoseconds == other.nanoseconds ) return False def __ne__(self, other): """not-equals method (see :func:`__eq__()`)""" return not self.__eq__(other) def __hash__(self): return hash((self.seconds, self.nanoseconds)) @staticmethod def from_bytes(b): """Unpack bytes into a `Timestamp` object. Used for pure-Python msgpack unpacking. :param b: Payload from msgpack ext message with code -1 :type b: bytes :returns: Timestamp object unpacked from msgpack ext payload :rtype: Timestamp """ if len(b) == 4: seconds = struct.unpack("!L", b)[0] nanoseconds = 0 elif len(b) == 8: data64 = struct.unpack("!Q", b)[0] seconds = data64 & 0x00000003FFFFFFFF nanoseconds = data64 >> 34 elif len(b) == 12: nanoseconds, seconds = struct.unpack("!Iq", b) else: raise ValueError( "Timestamp type can only be created from 32, 64, or 96-bit byte objects" ) return Timestamp(seconds, nanoseconds) def to_bytes(self): """Pack this Timestamp object into bytes. Used for pure-Python msgpack packing. :returns data: Payload for EXT message with code -1 (timestamp type) :rtype: bytes """ if (self.seconds >> 34) == 0: # seconds is non-negative and fits in 34 bits data64 = self.nanoseconds << 34 | self.seconds if data64 & 0xFFFFFFFF00000000 == 0: # nanoseconds is zero and seconds < 2**32, so timestamp 32 data = struct.pack("!L", data64) else: # timestamp 64 data = struct.pack("!Q", data64) else: # timestamp 96 data = struct.pack("!Iq", self.nanoseconds, self.seconds) return data @staticmethod def from_unix(unix_sec): """Create a Timestamp from posix timestamp in seconds. :param unix_float: Posix timestamp in seconds. :type unix_float: int or float. """ seconds = int(unix_sec // 1) nanoseconds = int((unix_sec % 1) * 10 ** 9) return Timestamp(seconds, nanoseconds) def to_unix(self): """Get the timestamp as a floating-point value. :returns: posix timestamp :rtype: float """ return self.seconds + self.nanoseconds / 1e9 @staticmethod def from_unix_nano(unix_ns): """Create a Timestamp from posix timestamp in nanoseconds. :param int unix_ns: Posix timestamp in nanoseconds. :rtype: Timestamp """ return Timestamp(*divmod(unix_ns, 10 ** 9)) def to_unix_nano(self): """Get the timestamp as a unixtime in nanoseconds. :returns: posix timestamp in nanoseconds :rtype: int """ return self.seconds * 10 ** 9 + self.nanoseconds def to_datetime(self): """Get the timestamp as a UTC datetime. Python 2 is not supported. :rtype: datetime. """ return datetime.datetime.fromtimestamp(0, _utc) + datetime.timedelta( seconds=self.to_unix() ) @staticmethod def from_datetime(dt): """Create a Timestamp from datetime with tzinfo. Python 2 is not supported. :rtype: Timestamp """ return Timestamp.from_unix(dt.timestamp()) _vendor/msgpack/fallback.py 0000644 00000112212 15114542003 0011730 0 ustar 00 """Fallback pure Python implementation of msgpack""" from datetime import datetime as _DateTime import sys import struct PY2 = sys.version_info[0] == 2 if PY2: int_types = (int, long) def dict_iteritems(d): return d.iteritems() else: int_types = int unicode = str xrange = range def dict_iteritems(d): return d.items() if sys.version_info < (3, 5): # Ugly hack... RecursionError = RuntimeError def _is_recursionerror(e): return ( len(e.args) == 1 and isinstance(e.args[0], str) and e.args[0].startswith("maximum recursion depth exceeded") ) else: def _is_recursionerror(e): return True if hasattr(sys, "pypy_version_info"): # StringIO is slow on PyPy, StringIO is faster. However: PyPy's own # StringBuilder is fastest. from __pypy__ import newlist_hint try: from __pypy__.builders import BytesBuilder as StringBuilder except ImportError: from __pypy__.builders import StringBuilder USING_STRINGBUILDER = True class StringIO(object): def __init__(self, s=b""): if s: self.builder = StringBuilder(len(s)) self.builder.append(s) else: self.builder = StringBuilder() def write(self, s): if isinstance(s, memoryview): s = s.tobytes() elif isinstance(s, bytearray): s = bytes(s) self.builder.append(s) def getvalue(self): return self.builder.build() else: USING_STRINGBUILDER = False from io import BytesIO as StringIO newlist_hint = lambda size: [] from .exceptions import BufferFull, OutOfData, ExtraData, FormatError, StackError from .ext import ExtType, Timestamp EX_SKIP = 0 EX_CONSTRUCT = 1 EX_READ_ARRAY_HEADER = 2 EX_READ_MAP_HEADER = 3 TYPE_IMMEDIATE = 0 TYPE_ARRAY = 1 TYPE_MAP = 2 TYPE_RAW = 3 TYPE_BIN = 4 TYPE_EXT = 5 DEFAULT_RECURSE_LIMIT = 511 def _check_type_strict(obj, t, type=type, tuple=tuple): if type(t) is tuple: return type(obj) in t else: return type(obj) is t def _get_data_from_buffer(obj): view = memoryview(obj) if view.itemsize != 1: raise ValueError("cannot unpack from multi-byte object") return view def unpackb(packed, **kwargs): """ Unpack an object from `packed`. Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``ValueError`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. See :class:`Unpacker` for options. """ unpacker = Unpacker(None, max_buffer_size=len(packed), **kwargs) unpacker.feed(packed) try: ret = unpacker._unpack() except OutOfData: raise ValueError("Unpack failed: incomplete input") except RecursionError as e: if _is_recursionerror(e): raise StackError raise if unpacker._got_extradata(): raise ExtraData(ret, unpacker._get_extradata()) return ret if sys.version_info < (2, 7, 6): def _unpack_from(f, b, o=0): """Explicit type cast for legacy struct.unpack_from""" return struct.unpack_from(f, bytes(b), o) else: _unpack_from = struct.unpack_from class Unpacker(object): """Streaming unpacker. Arguments: :param file_like: File-like object having `.read(n)` method. If specified, unpacker reads serialized data from it and :meth:`feed()` is not usable. :param int read_size: Used as `file_like.read(read_size)`. (default: `min(16*1024, max_buffer_size)`) :param bool use_list: If true, unpack msgpack array to Python list. Otherwise, unpack to Python tuple. (default: True) :param bool raw: If true, unpack msgpack raw to Python bytes. Otherwise, unpack to Python str by decoding with UTF-8 encoding (default). :param int timestamp: Control how timestamp type is unpacked: 0 - Timestamp 1 - float (Seconds from the EPOCH) 2 - int (Nanoseconds from the EPOCH) 3 - datetime.datetime (UTC). Python 2 is not supported. :param bool strict_map_key: If true (default), only str or bytes are accepted for map (dict) keys. :param callable object_hook: When specified, it should be callable. Unpacker calls it with a dict argument after unpacking msgpack map. (See also simplejson) :param callable object_pairs_hook: When specified, it should be callable. Unpacker calls it with a list of key-value pairs after unpacking msgpack map. (See also simplejson) :param str unicode_errors: The error handler for decoding unicode. (default: 'strict') This option should be used only when you have msgpack data which contains invalid UTF-8 string. :param int max_buffer_size: Limits size of data waiting unpacked. 0 means 2**32-1. The default value is 100*1024*1024 (100MiB). Raises `BufferFull` exception when it is insufficient. You should set this parameter when unpacking data from untrusted source. :param int max_str_len: Deprecated, use *max_buffer_size* instead. Limits max length of str. (default: max_buffer_size) :param int max_bin_len: Deprecated, use *max_buffer_size* instead. Limits max length of bin. (default: max_buffer_size) :param int max_array_len: Limits max length of array. (default: max_buffer_size) :param int max_map_len: Limits max length of map. (default: max_buffer_size//2) :param int max_ext_len: Deprecated, use *max_buffer_size* instead. Limits max size of ext type. (default: max_buffer_size) Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker(max_buffer_size) while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. """ def __init__( self, file_like=None, read_size=0, use_list=True, raw=False, timestamp=0, strict_map_key=True, object_hook=None, object_pairs_hook=None, list_hook=None, unicode_errors=None, max_buffer_size=100 * 1024 * 1024, ext_hook=ExtType, max_str_len=-1, max_bin_len=-1, max_array_len=-1, max_map_len=-1, max_ext_len=-1, ): if unicode_errors is None: unicode_errors = "strict" if file_like is None: self._feeding = True else: if not callable(file_like.read): raise TypeError("`file_like.read` must be callable") self.file_like = file_like self._feeding = False #: array of bytes fed. self._buffer = bytearray() #: Which position we currently reads self._buff_i = 0 # When Unpacker is used as an iterable, between the calls to next(), # the buffer is not "consumed" completely, for efficiency sake. # Instead, it is done sloppily. To make sure we raise BufferFull at # the correct moments, we have to keep track of how sloppy we were. # Furthermore, when the buffer is incomplete (that is: in the case # we raise an OutOfData) we need to rollback the buffer to the correct # state, which _buf_checkpoint records. self._buf_checkpoint = 0 if not max_buffer_size: max_buffer_size = 2 ** 31 - 1 if max_str_len == -1: max_str_len = max_buffer_size if max_bin_len == -1: max_bin_len = max_buffer_size if max_array_len == -1: max_array_len = max_buffer_size if max_map_len == -1: max_map_len = max_buffer_size // 2 if max_ext_len == -1: max_ext_len = max_buffer_size self._max_buffer_size = max_buffer_size if read_size > self._max_buffer_size: raise ValueError("read_size must be smaller than max_buffer_size") self._read_size = read_size or min(self._max_buffer_size, 16 * 1024) self._raw = bool(raw) self._strict_map_key = bool(strict_map_key) self._unicode_errors = unicode_errors self._use_list = use_list if not (0 <= timestamp <= 3): raise ValueError("timestamp must be 0..3") self._timestamp = timestamp self._list_hook = list_hook self._object_hook = object_hook self._object_pairs_hook = object_pairs_hook self._ext_hook = ext_hook self._max_str_len = max_str_len self._max_bin_len = max_bin_len self._max_array_len = max_array_len self._max_map_len = max_map_len self._max_ext_len = max_ext_len self._stream_offset = 0 if list_hook is not None and not callable(list_hook): raise TypeError("`list_hook` is not callable") if object_hook is not None and not callable(object_hook): raise TypeError("`object_hook` is not callable") if object_pairs_hook is not None and not callable(object_pairs_hook): raise TypeError("`object_pairs_hook` is not callable") if object_hook is not None and object_pairs_hook is not None: raise TypeError( "object_pairs_hook and object_hook are mutually " "exclusive" ) if not callable(ext_hook): raise TypeError("`ext_hook` is not callable") def feed(self, next_bytes): assert self._feeding view = _get_data_from_buffer(next_bytes) if len(self._buffer) - self._buff_i + len(view) > self._max_buffer_size: raise BufferFull # Strip buffer before checkpoint before reading file. if self._buf_checkpoint > 0: del self._buffer[: self._buf_checkpoint] self._buff_i -= self._buf_checkpoint self._buf_checkpoint = 0 # Use extend here: INPLACE_ADD += doesn't reliably typecast memoryview in jython self._buffer.extend(view) def _consume(self): """ Gets rid of the used parts of the buffer. """ self._stream_offset += self._buff_i - self._buf_checkpoint self._buf_checkpoint = self._buff_i def _got_extradata(self): return self._buff_i < len(self._buffer) def _get_extradata(self): return self._buffer[self._buff_i :] def read_bytes(self, n): ret = self._read(n, raise_outofdata=False) self._consume() return ret def _read(self, n, raise_outofdata=True): # (int) -> bytearray self._reserve(n, raise_outofdata=raise_outofdata) i = self._buff_i ret = self._buffer[i : i + n] self._buff_i = i + len(ret) return ret def _reserve(self, n, raise_outofdata=True): remain_bytes = len(self._buffer) - self._buff_i - n # Fast path: buffer has n bytes already if remain_bytes >= 0: return if self._feeding: self._buff_i = self._buf_checkpoint raise OutOfData # Strip buffer before checkpoint before reading file. if self._buf_checkpoint > 0: del self._buffer[: self._buf_checkpoint] self._buff_i -= self._buf_checkpoint self._buf_checkpoint = 0 # Read from file remain_bytes = -remain_bytes while remain_bytes > 0: to_read_bytes = max(self._read_size, remain_bytes) read_data = self.file_like.read(to_read_bytes) if not read_data: break assert isinstance(read_data, bytes) self._buffer += read_data remain_bytes -= len(read_data) if len(self._buffer) < n + self._buff_i and raise_outofdata: self._buff_i = 0 # rollback raise OutOfData def _read_header(self, execute=EX_CONSTRUCT): typ = TYPE_IMMEDIATE n = 0 obj = None self._reserve(1) b = self._buffer[self._buff_i] self._buff_i += 1 if b & 0b10000000 == 0: obj = b elif b & 0b11100000 == 0b11100000: obj = -1 - (b ^ 0xFF) elif b & 0b11100000 == 0b10100000: n = b & 0b00011111 typ = TYPE_RAW if n > self._max_str_len: raise ValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) obj = self._read(n) elif b & 0b11110000 == 0b10010000: n = b & 0b00001111 typ = TYPE_ARRAY if n > self._max_array_len: raise ValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) elif b & 0b11110000 == 0b10000000: n = b & 0b00001111 typ = TYPE_MAP if n > self._max_map_len: raise ValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) elif b == 0xC0: obj = None elif b == 0xC2: obj = False elif b == 0xC3: obj = True elif b == 0xC4: typ = TYPE_BIN self._reserve(1) n = self._buffer[self._buff_i] self._buff_i += 1 if n > self._max_bin_len: raise ValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) obj = self._read(n) elif b == 0xC5: typ = TYPE_BIN self._reserve(2) n = _unpack_from(">H", self._buffer, self._buff_i)[0] self._buff_i += 2 if n > self._max_bin_len: raise ValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) obj = self._read(n) elif b == 0xC6: typ = TYPE_BIN self._reserve(4) n = _unpack_from(">I", self._buffer, self._buff_i)[0] self._buff_i += 4 if n > self._max_bin_len: raise ValueError("%s exceeds max_bin_len(%s)" % (n, self._max_bin_len)) obj = self._read(n) elif b == 0xC7: # ext 8 typ = TYPE_EXT self._reserve(2) L, n = _unpack_from("Bb", self._buffer, self._buff_i) self._buff_i += 2 if L > self._max_ext_len: raise ValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) obj = self._read(L) elif b == 0xC8: # ext 16 typ = TYPE_EXT self._reserve(3) L, n = _unpack_from(">Hb", self._buffer, self._buff_i) self._buff_i += 3 if L > self._max_ext_len: raise ValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) obj = self._read(L) elif b == 0xC9: # ext 32 typ = TYPE_EXT self._reserve(5) L, n = _unpack_from(">Ib", self._buffer, self._buff_i) self._buff_i += 5 if L > self._max_ext_len: raise ValueError("%s exceeds max_ext_len(%s)" % (L, self._max_ext_len)) obj = self._read(L) elif b == 0xCA: self._reserve(4) obj = _unpack_from(">f", self._buffer, self._buff_i)[0] self._buff_i += 4 elif b == 0xCB: self._reserve(8) obj = _unpack_from(">d", self._buffer, self._buff_i)[0] self._buff_i += 8 elif b == 0xCC: self._reserve(1) obj = self._buffer[self._buff_i] self._buff_i += 1 elif b == 0xCD: self._reserve(2) obj = _unpack_from(">H", self._buffer, self._buff_i)[0] self._buff_i += 2 elif b == 0xCE: self._reserve(4) obj = _unpack_from(">I", self._buffer, self._buff_i)[0] self._buff_i += 4 elif b == 0xCF: self._reserve(8) obj = _unpack_from(">Q", self._buffer, self._buff_i)[0] self._buff_i += 8 elif b == 0xD0: self._reserve(1) obj = _unpack_from("b", self._buffer, self._buff_i)[0] self._buff_i += 1 elif b == 0xD1: self._reserve(2) obj = _unpack_from(">h", self._buffer, self._buff_i)[0] self._buff_i += 2 elif b == 0xD2: self._reserve(4) obj = _unpack_from(">i", self._buffer, self._buff_i)[0] self._buff_i += 4 elif b == 0xD3: self._reserve(8) obj = _unpack_from(">q", self._buffer, self._buff_i)[0] self._buff_i += 8 elif b == 0xD4: # fixext 1 typ = TYPE_EXT if self._max_ext_len < 1: raise ValueError("%s exceeds max_ext_len(%s)" % (1, self._max_ext_len)) self._reserve(2) n, obj = _unpack_from("b1s", self._buffer, self._buff_i) self._buff_i += 2 elif b == 0xD5: # fixext 2 typ = TYPE_EXT if self._max_ext_len < 2: raise ValueError("%s exceeds max_ext_len(%s)" % (2, self._max_ext_len)) self._reserve(3) n, obj = _unpack_from("b2s", self._buffer, self._buff_i) self._buff_i += 3 elif b == 0xD6: # fixext 4 typ = TYPE_EXT if self._max_ext_len < 4: raise ValueError("%s exceeds max_ext_len(%s)" % (4, self._max_ext_len)) self._reserve(5) n, obj = _unpack_from("b4s", self._buffer, self._buff_i) self._buff_i += 5 elif b == 0xD7: # fixext 8 typ = TYPE_EXT if self._max_ext_len < 8: raise ValueError("%s exceeds max_ext_len(%s)" % (8, self._max_ext_len)) self._reserve(9) n, obj = _unpack_from("b8s", self._buffer, self._buff_i) self._buff_i += 9 elif b == 0xD8: # fixext 16 typ = TYPE_EXT if self._max_ext_len < 16: raise ValueError("%s exceeds max_ext_len(%s)" % (16, self._max_ext_len)) self._reserve(17) n, obj = _unpack_from("b16s", self._buffer, self._buff_i) self._buff_i += 17 elif b == 0xD9: typ = TYPE_RAW self._reserve(1) n = self._buffer[self._buff_i] self._buff_i += 1 if n > self._max_str_len: raise ValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) obj = self._read(n) elif b == 0xDA: typ = TYPE_RAW self._reserve(2) (n,) = _unpack_from(">H", self._buffer, self._buff_i) self._buff_i += 2 if n > self._max_str_len: raise ValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) obj = self._read(n) elif b == 0xDB: typ = TYPE_RAW self._reserve(4) (n,) = _unpack_from(">I", self._buffer, self._buff_i) self._buff_i += 4 if n > self._max_str_len: raise ValueError("%s exceeds max_str_len(%s)", n, self._max_str_len) obj = self._read(n) elif b == 0xDC: typ = TYPE_ARRAY self._reserve(2) (n,) = _unpack_from(">H", self._buffer, self._buff_i) self._buff_i += 2 if n > self._max_array_len: raise ValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) elif b == 0xDD: typ = TYPE_ARRAY self._reserve(4) (n,) = _unpack_from(">I", self._buffer, self._buff_i) self._buff_i += 4 if n > self._max_array_len: raise ValueError("%s exceeds max_array_len(%s)", n, self._max_array_len) elif b == 0xDE: self._reserve(2) (n,) = _unpack_from(">H", self._buffer, self._buff_i) self._buff_i += 2 if n > self._max_map_len: raise ValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) typ = TYPE_MAP elif b == 0xDF: self._reserve(4) (n,) = _unpack_from(">I", self._buffer, self._buff_i) self._buff_i += 4 if n > self._max_map_len: raise ValueError("%s exceeds max_map_len(%s)", n, self._max_map_len) typ = TYPE_MAP else: raise FormatError("Unknown header: 0x%x" % b) return typ, n, obj def _unpack(self, execute=EX_CONSTRUCT): typ, n, obj = self._read_header(execute) if execute == EX_READ_ARRAY_HEADER: if typ != TYPE_ARRAY: raise ValueError("Expected array") return n if execute == EX_READ_MAP_HEADER: if typ != TYPE_MAP: raise ValueError("Expected map") return n # TODO should we eliminate the recursion? if typ == TYPE_ARRAY: if execute == EX_SKIP: for i in xrange(n): # TODO check whether we need to call `list_hook` self._unpack(EX_SKIP) return ret = newlist_hint(n) for i in xrange(n): ret.append(self._unpack(EX_CONSTRUCT)) if self._list_hook is not None: ret = self._list_hook(ret) # TODO is the interaction between `list_hook` and `use_list` ok? return ret if self._use_list else tuple(ret) if typ == TYPE_MAP: if execute == EX_SKIP: for i in xrange(n): # TODO check whether we need to call hooks self._unpack(EX_SKIP) self._unpack(EX_SKIP) return if self._object_pairs_hook is not None: ret = self._object_pairs_hook( (self._unpack(EX_CONSTRUCT), self._unpack(EX_CONSTRUCT)) for _ in xrange(n) ) else: ret = {} for _ in xrange(n): key = self._unpack(EX_CONSTRUCT) if self._strict_map_key and type(key) not in (unicode, bytes): raise ValueError( "%s is not allowed for map key" % str(type(key)) ) if not PY2 and type(key) is str: key = sys.intern(key) ret[key] = self._unpack(EX_CONSTRUCT) if self._object_hook is not None: ret = self._object_hook(ret) return ret if execute == EX_SKIP: return if typ == TYPE_RAW: if self._raw: obj = bytes(obj) else: obj = obj.decode("utf_8", self._unicode_errors) return obj if typ == TYPE_BIN: return bytes(obj) if typ == TYPE_EXT: if n == -1: # timestamp ts = Timestamp.from_bytes(bytes(obj)) if self._timestamp == 1: return ts.to_unix() elif self._timestamp == 2: return ts.to_unix_nano() elif self._timestamp == 3: return ts.to_datetime() else: return ts else: return self._ext_hook(n, bytes(obj)) assert typ == TYPE_IMMEDIATE return obj def __iter__(self): return self def __next__(self): try: ret = self._unpack(EX_CONSTRUCT) self._consume() return ret except OutOfData: self._consume() raise StopIteration except RecursionError: raise StackError next = __next__ def skip(self): self._unpack(EX_SKIP) self._consume() def unpack(self): try: ret = self._unpack(EX_CONSTRUCT) except RecursionError: raise StackError self._consume() return ret def read_array_header(self): ret = self._unpack(EX_READ_ARRAY_HEADER) self._consume() return ret def read_map_header(self): ret = self._unpack(EX_READ_MAP_HEADER) self._consume() return ret def tell(self): return self._stream_offset class Packer(object): """ MessagePack Packer Usage:: packer = Packer() astream.write(packer.pack(a)) astream.write(packer.pack(b)) Packer's constructor has some keyword arguments: :param callable default: Convert user type to builtin type that Packer supports. See also simplejson's document. :param bool use_single_float: Use single precision float type for float. (default: False) :param bool autoreset: Reset buffer after each pack and return its content as `bytes`. (default: True). If set this to false, use `bytes()` to get content and `.reset()` to clear buffer. :param bool use_bin_type: Use bin type introduced in msgpack spec 2.0 for bytes. It also enables str8 type for unicode. (default: True) :param bool strict_types: If set to true, types will be checked to be exact. Derived classes from serializable types will not be serialized and will be treated as unsupported type and forwarded to default. Additionally tuples will not be serialized as lists. This is useful when trying to implement accurate serialization for python types. :param bool datetime: If set to true, datetime with tzinfo is packed into Timestamp type. Note that the tzinfo is stripped in the timestamp. You can get UTC datetime with `timestamp=3` option of the Unpacker. (Python 2 is not supported). :param str unicode_errors: The error handler for encoding unicode. (default: 'strict') DO NOT USE THIS!! This option is kept for very specific usage. Example of streaming deserialize from file-like object:: unpacker = Unpacker(file_like) for o in unpacker: process(o) Example of streaming deserialize from socket:: unpacker = Unpacker() while True: buf = sock.recv(1024**2) if not buf: break unpacker.feed(buf) for o in unpacker: process(o) Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``OutOfData`` when *packed* is incomplete. Raises ``FormatError`` when *packed* is not valid msgpack. Raises ``StackError`` when *packed* contains too nested. Other exceptions can be raised during unpacking. """ def __init__( self, default=None, use_single_float=False, autoreset=True, use_bin_type=True, strict_types=False, datetime=False, unicode_errors=None, ): self._strict_types = strict_types self._use_float = use_single_float self._autoreset = autoreset self._use_bin_type = use_bin_type self._buffer = StringIO() if PY2 and datetime: raise ValueError("datetime is not supported in Python 2") self._datetime = bool(datetime) self._unicode_errors = unicode_errors or "strict" if default is not None: if not callable(default): raise TypeError("default must be callable") self._default = default def _pack( self, obj, nest_limit=DEFAULT_RECURSE_LIMIT, check=isinstance, check_type_strict=_check_type_strict, ): default_used = False if self._strict_types: check = check_type_strict list_types = list else: list_types = (list, tuple) while True: if nest_limit < 0: raise ValueError("recursion limit exceeded") if obj is None: return self._buffer.write(b"\xc0") if check(obj, bool): if obj: return self._buffer.write(b"\xc3") return self._buffer.write(b"\xc2") if check(obj, int_types): if 0 <= obj < 0x80: return self._buffer.write(struct.pack("B", obj)) if -0x20 <= obj < 0: return self._buffer.write(struct.pack("b", obj)) if 0x80 <= obj <= 0xFF: return self._buffer.write(struct.pack("BB", 0xCC, obj)) if -0x80 <= obj < 0: return self._buffer.write(struct.pack(">Bb", 0xD0, obj)) if 0xFF < obj <= 0xFFFF: return self._buffer.write(struct.pack(">BH", 0xCD, obj)) if -0x8000 <= obj < -0x80: return self._buffer.write(struct.pack(">Bh", 0xD1, obj)) if 0xFFFF < obj <= 0xFFFFFFFF: return self._buffer.write(struct.pack(">BI", 0xCE, obj)) if -0x80000000 <= obj < -0x8000: return self._buffer.write(struct.pack(">Bi", 0xD2, obj)) if 0xFFFFFFFF < obj <= 0xFFFFFFFFFFFFFFFF: return self._buffer.write(struct.pack(">BQ", 0xCF, obj)) if -0x8000000000000000 <= obj < -0x80000000: return self._buffer.write(struct.pack(">Bq", 0xD3, obj)) if not default_used and self._default is not None: obj = self._default(obj) default_used = True continue raise OverflowError("Integer value out of range") if check(obj, (bytes, bytearray)): n = len(obj) if n >= 2 ** 32: raise ValueError("%s is too large" % type(obj).__name__) self._pack_bin_header(n) return self._buffer.write(obj) if check(obj, unicode): obj = obj.encode("utf-8", self._unicode_errors) n = len(obj) if n >= 2 ** 32: raise ValueError("String is too large") self._pack_raw_header(n) return self._buffer.write(obj) if check(obj, memoryview): n = len(obj) * obj.itemsize if n >= 2 ** 32: raise ValueError("Memoryview is too large") self._pack_bin_header(n) return self._buffer.write(obj) if check(obj, float): if self._use_float: return self._buffer.write(struct.pack(">Bf", 0xCA, obj)) return self._buffer.write(struct.pack(">Bd", 0xCB, obj)) if check(obj, (ExtType, Timestamp)): if check(obj, Timestamp): code = -1 data = obj.to_bytes() else: code = obj.code data = obj.data assert isinstance(code, int) assert isinstance(data, bytes) L = len(data) if L == 1: self._buffer.write(b"\xd4") elif L == 2: self._buffer.write(b"\xd5") elif L == 4: self._buffer.write(b"\xd6") elif L == 8: self._buffer.write(b"\xd7") elif L == 16: self._buffer.write(b"\xd8") elif L <= 0xFF: self._buffer.write(struct.pack(">BB", 0xC7, L)) elif L <= 0xFFFF: self._buffer.write(struct.pack(">BH", 0xC8, L)) else: self._buffer.write(struct.pack(">BI", 0xC9, L)) self._buffer.write(struct.pack("b", code)) self._buffer.write(data) return if check(obj, list_types): n = len(obj) self._pack_array_header(n) for i in xrange(n): self._pack(obj[i], nest_limit - 1) return if check(obj, dict): return self._pack_map_pairs( len(obj), dict_iteritems(obj), nest_limit - 1 ) if self._datetime and check(obj, _DateTime) and obj.tzinfo is not None: obj = Timestamp.from_datetime(obj) default_used = 1 continue if not default_used and self._default is not None: obj = self._default(obj) default_used = 1 continue raise TypeError("Cannot serialize %r" % (obj,)) def pack(self, obj): try: self._pack(obj) except: self._buffer = StringIO() # force reset raise if self._autoreset: ret = self._buffer.getvalue() self._buffer = StringIO() return ret def pack_map_pairs(self, pairs): self._pack_map_pairs(len(pairs), pairs) if self._autoreset: ret = self._buffer.getvalue() self._buffer = StringIO() return ret def pack_array_header(self, n): if n >= 2 ** 32: raise ValueError self._pack_array_header(n) if self._autoreset: ret = self._buffer.getvalue() self._buffer = StringIO() return ret def pack_map_header(self, n): if n >= 2 ** 32: raise ValueError self._pack_map_header(n) if self._autoreset: ret = self._buffer.getvalue() self._buffer = StringIO() return ret def pack_ext_type(self, typecode, data): if not isinstance(typecode, int): raise TypeError("typecode must have int type.") if not 0 <= typecode <= 127: raise ValueError("typecode should be 0-127") if not isinstance(data, bytes): raise TypeError("data must have bytes type") L = len(data) if L > 0xFFFFFFFF: raise ValueError("Too large data") if L == 1: self._buffer.write(b"\xd4") elif L == 2: self._buffer.write(b"\xd5") elif L == 4: self._buffer.write(b"\xd6") elif L == 8: self._buffer.write(b"\xd7") elif L == 16: self._buffer.write(b"\xd8") elif L <= 0xFF: self._buffer.write(b"\xc7" + struct.pack("B", L)) elif L <= 0xFFFF: self._buffer.write(b"\xc8" + struct.pack(">H", L)) else: self._buffer.write(b"\xc9" + struct.pack(">I", L)) self._buffer.write(struct.pack("B", typecode)) self._buffer.write(data) def _pack_array_header(self, n): if n <= 0x0F: return self._buffer.write(struct.pack("B", 0x90 + n)) if n <= 0xFFFF: return self._buffer.write(struct.pack(">BH", 0xDC, n)) if n <= 0xFFFFFFFF: return self._buffer.write(struct.pack(">BI", 0xDD, n)) raise ValueError("Array is too large") def _pack_map_header(self, n): if n <= 0x0F: return self._buffer.write(struct.pack("B", 0x80 + n)) if n <= 0xFFFF: return self._buffer.write(struct.pack(">BH", 0xDE, n)) if n <= 0xFFFFFFFF: return self._buffer.write(struct.pack(">BI", 0xDF, n)) raise ValueError("Dict is too large") def _pack_map_pairs(self, n, pairs, nest_limit=DEFAULT_RECURSE_LIMIT): self._pack_map_header(n) for (k, v) in pairs: self._pack(k, nest_limit - 1) self._pack(v, nest_limit - 1) def _pack_raw_header(self, n): if n <= 0x1F: self._buffer.write(struct.pack("B", 0xA0 + n)) elif self._use_bin_type and n <= 0xFF: self._buffer.write(struct.pack(">BB", 0xD9, n)) elif n <= 0xFFFF: self._buffer.write(struct.pack(">BH", 0xDA, n)) elif n <= 0xFFFFFFFF: self._buffer.write(struct.pack(">BI", 0xDB, n)) else: raise ValueError("Raw is too large") def _pack_bin_header(self, n): if not self._use_bin_type: return self._pack_raw_header(n) elif n <= 0xFF: return self._buffer.write(struct.pack(">BB", 0xC4, n)) elif n <= 0xFFFF: return self._buffer.write(struct.pack(">BH", 0xC5, n)) elif n <= 0xFFFFFFFF: return self._buffer.write(struct.pack(">BI", 0xC6, n)) else: raise ValueError("Bin is too large") def bytes(self): """Return internal buffer contents as bytes object""" return self._buffer.getvalue() def reset(self): """Reset internal buffer. This method is useful only when autoreset=False. 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This is done by checking the specified executable's dynamic linking information, and invoking the loader to parse its output for a version string. If the loader is musl, the output would be something like:: musl libc (x86_64) Version 1.2.2 Dynamic Program Loader �rbNT)�stderrZuniversal_newlines) � contextlib� ExitStack� enter_context�open�IOErrorr& � subprocess�run�PIPEr= r@ )r> �stackr Zld�procr r r �_get_musl_versionV s &rK )�archr c c sH t tj�}|du rdS t|jdd�D ] }d|j� d|� d| � �V q$dS )aT Generate musllinux tags compatible to the current platform. :param arch: Should be the part of platform tag after the ``linux_`` prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a prerequisite for the current platform to be musllinux-compatible. :returns: An iterator of compatible musllinux tags. N���Z musllinux_r$ )rK �sysr> r r) r( )rL Zsys_muslr) r r r � platform_tagsn s rO �__main__zplat:zmusl:ztags:� )�endz[.-]r$ �-r rM z )"�__doc__rA � functoolsr r r8 r rF rN �typingr r r r r �bytes�strr- r r& r' r= � lru_cacherK rO r* Z sysconfigZ get_platformZplat�printr> �sub�split�tr r r r �<module> s0 1 " _vendor/packaging/__pycache__/_musllinux.cpython-39.pyc 0000644 00000010735 15114542003 0017165 0 ustar 00 a [��f � @ st d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl m Z m Z m Z m Z mZ e e eeedf d�dd�Ze e e e d�d d �ZG d d � d e �Zee e d �dd�Ze�� ee e d�dd��Zee e d�dd�Zedk�rpddlZe�� Z e � d��sJ d��e de � e deej �� e dd d � ee� d d e �!d d!�d" ��D ]Z"e e"d#d � �q\dS )$z�PEP 656 support. This module implements logic to detect if the currently running Python is linked against musl, and what musl version is used. � N)�IO�Iterator� NamedTuple�Optional�Tuple.)�f�fmt�returnc C s t �|| �t �|���S �N)�struct�unpack�read�calcsize)r r � r �D/usr/lib/python3.9/site-packages/pip/_vendor/packaging/_musllinux.py�_read_unpacked s r )r r c C sh | � d� zt| d�}W n tjy. Y dS 0 |dd� td�krHdS | � t�d�d� z dd d �|d \}}}W n ty� Y dS 0 tj|� }z t| |�\}}}}}}} W n tjy� Y dS 0 t | d �D ]�} | � ||| � z|t| |��\} } } W n tj�y Y dS 0 | d k�r,q�| � | � t � | � | ��� d �}d |v�r\ dS | S dS )z�Detect musl libc location by parsing the Python executable. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html r Z16BN� s ELFZHHI� )ZIIIIHHHZIIIIIIII)r r r )ZQQQIHHHZIIQQQQQQ)r � � )r r � � �musl)�seekr r �error�tupler �KeyError�operator� itemgetter�range�os�fsdecoder �strip)r �identZe_fmtZp_fmtZp_idxZp_get�_Ze_phoffZ e_phentsizeZe_phnum�iZp_typeZp_offsetZp_fileszZ interpreterr r r �_parse_ld_musl_from_elf sF �� r& c @ s e Zd ZU eed< eed< dS )� _MuslVersion�major�minorN)�__name__� __module__� __qualname__�int�__annotations__r r r r r' G s r' )�outputr c C sx dd� dd� | � � D �D �}t|�dk s<|d d d� dkr@d S t�d |d �}|sXd S tt|�d ��t|�d��d �S ) Nc S s g | ] }|r|�qS r r ��.0�nr r r � <listcomp>M � z'_parse_musl_version.<locals>.<listcomp>c s s | ]}|� � V qd S r )r" r0 r r r � <genexpr>M r4 z&_parse_musl_version.<locals>.<genexpr>r r r r zVersion (\d+)\.(\d+)r )r( r) )� splitlines�len�re�matchr' r- �group)r/ �lines�mr r r �_parse_musl_versionL s r= )� executabler c C s� t �� �N}z|�t| d��}W n ty> Y W d � dS 0 t|�}W d � n1 s\0 Y |sndS tj|gtjdd�}t |j �S )a` Detect currently-running musl runtime version. This is done by checking the specified executable's dynamic linking information, and invoking the loader to parse its output for a version string. If the loader is musl, the output would be something like:: musl libc (x86_64) Version 1.2.2 Dynamic Program Loader �rbNT)�stderrZuniversal_newlines) � contextlib� ExitStack� enter_context�open�IOErrorr& � subprocess�run�PIPEr= r@ )r> �stackr Zld�procr r r �_get_musl_versionV s &rK )�archr c c sH t tj�}|du rdS t|jdd�D ] }d|j� d|� d| � �V q$dS )aT Generate musllinux tags compatible to the current platform. :param arch: Should be the part of platform tag after the ``linux_`` prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a prerequisite for the current platform to be musllinux-compatible. :returns: An iterator of compatible musllinux tags. N���Z musllinux_r$ )rK �sysr> r r) r( )rL Zsys_muslr) r r r � platform_tagsn s rO �__main__zlinux-z not linuxzplat:zmusl:ztags:� )�endz[.-]r$ �-r rM z )#�__doc__rA � functoolsr r r8 r rF rN �typingr r r r r �bytes�strr- r r& r' r= � lru_cacherK rO r* Z sysconfigZ get_platformZplat� startswith�printr> �sub�split�tr r r r �<module> s2 1 " _vendor/packaging/__pycache__/_structures.cpython-39.opt-1.pyc 0000644 00000005746 15114542003 0020315 0 ustar 00 a [��f] � @ s, G d d� d�Z e � ZG dd� d�Ze� ZdS )c @ s� e Zd Zed�dd�Zed�dd�Zeed�dd�Z eed�d d �Z eed�d d �Z eed�d d�Z eed�dd�Z eed�dd�Zedd�dd�ZdS )� InfinityType��returnc C s dS )N�Infinity� ��selfr r �E/usr/lib/python3.9/site-packages/pip/_vendor/packaging/_structures.py�__repr__ s zInfinityType.__repr__c C s t t| ��S �N��hash�reprr r r r �__hash__ s zInfinityType.__hash__��otherr c C s dS �NFr �r r r r r �__lt__ s zInfinityType.__lt__c C s dS r r r r r r �__le__ s zInfinityType.__le__c C s t || j�S r �� isinstance� __class__r r r r �__eq__ s zInfinityType.__eq__c C s t || j� S r r r r r r �__ne__ s zInfinityType.__ne__c C s dS �NTr r r r r �__gt__ s zInfinityType.__gt__c C s dS r r r r r r �__ge__ s zInfinityType.__ge__�NegativeInfinityType�r r c C s t S r )�NegativeInfinityr r r r �__neg__ s zInfinityType.__neg__N)�__name__� __module__� __qualname__�strr �intr �object�boolr r r r r r r r r r r r s r c @ s� e Zd Zed�dd�Zed�dd�Zeed�dd�Z eed�d d �Z eed�d d �Z eed�d d�Z eed�dd�Z eed�dd�Zeed�dd�ZdS )r r c C s dS )Nz -Infinityr r r r r r ' s z NegativeInfinityType.__repr__c C s t t| ��S r r r r r r r * s z NegativeInfinityType.__hash__r c C s dS r r r r r r r - s zNegativeInfinityType.__lt__c C s dS r r r r r r r 0 s zNegativeInfinityType.__le__c C s t || j�S r r r r r r r 3 s zNegativeInfinityType.__eq__c C s t || j� S r r r r r r r 6 s zNegativeInfinityType.__ne__c C s dS r r r r r r r 9 s zNegativeInfinityType.__gt__c C s dS r r r r r r r < s zNegativeInfinityType.__ge__r c C s t S r )r r r r r r ? s z NegativeInfinityType.__neg__N)r! r" r# r$ r r% r r& r' r r r r r r r r r r r r r & s r N)r r r r r r r r �<module> s _vendor/packaging/__pycache__/_structures.cpython-39.pyc 0000644 00000005746 15114542003 0017356 0 ustar 00 a [��f] � @ s, G d d� d�Z e � ZG dd� d�Ze� ZdS )c @ s� e Zd Zed�dd�Zed�dd�Zeed�dd�Z eed�d d �Z eed�d d �Z eed�d d�Z eed�dd�Z eed�dd�Zedd�dd�ZdS )� InfinityType��returnc C s dS )N�Infinity� ��selfr r �E/usr/lib/python3.9/site-packages/pip/_vendor/packaging/_structures.py�__repr__ s zInfinityType.__repr__c C s t t| ��S �N��hash�reprr r r r �__hash__ s zInfinityType.__hash__��otherr c C s dS �NFr �r r r r r �__lt__ s zInfinityType.__lt__c C s dS r r r r r r �__le__ s zInfinityType.__le__c C s t || j�S r �� isinstance� __class__r r r r �__eq__ s zInfinityType.__eq__c C s t || j� S r r r r r r �__ne__ s zInfinityType.__ne__c C s dS �NTr r r r r �__gt__ s zInfinityType.__gt__c C s dS r r r r r r �__ge__ s zInfinityType.__ge__�NegativeInfinityType�r r c C s t S r )�NegativeInfinityr r r r �__neg__ s zInfinityType.__neg__N)�__name__� __module__� __qualname__�strr �intr �object�boolr r r r r r r r r r r r s r c @ s� e Zd Zed�dd�Zed�dd�Zeed�dd�Z eed�d d �Z eed�d d �Z eed�d d�Z eed�dd�Z eed�dd�Zeed�dd�ZdS )r r c C s dS )Nz -Infinityr r r r r r ' s z NegativeInfinityType.__repr__c C s t t| ��S r r r r r r r * s z NegativeInfinityType.__hash__r c C s dS r r r r r r r - s zNegativeInfinityType.__lt__c C s dS r r r r r r r 0 s zNegativeInfinityType.__le__c C s t || j�S r r r r r r r 3 s zNegativeInfinityType.__eq__c C s t || j� S r r r r r r r 6 s zNegativeInfinityType.__ne__c C s dS r r r r r r r 9 s zNegativeInfinityType.__gt__c C s dS r r r r r r r < s zNegativeInfinityType.__ge__r c C s t S r )r r r r r r ? s z NegativeInfinityType.__neg__N)r! r" r# r$ r r% r r& r' r r r r r r r r r r r r r & s r N)r r r r r r r r �<module> s _vendor/packaging/__pycache__/markers.cpython-39.opt-1.pyc 0000644 00000022171 15114542003 0017366 0 ustar 00 a [��f'! � @ s� U d dl Z d dlZd dlZd dlZd dlmZmZmZmZm Z m Z m Z d dl m Z mZmZmZmZmZmZmZmZ ddlmZmZ g d�Zeeege f Z G dd� de �Z G d d � d e �Z G d d � d e �Z!G d d� d�Z"G dd� de"�Z#G dd� de"�Z$G dd� de"�Z%ed�ed�B ed�B ed�B ed�B ed�B ed�B ed �B ed �B ed �B ed �B ed �B ed!�B ed"�B ed#�B ed$�B ed%�B ed&�B Z&d d ddddd'�Z'e&�(d(d)� � ed*�ed+�B ed,�B ed-�B ed.�B ed/�B ed0�B ed1�B Z)e)ed2�B ed3�B Z*e*�(d4d)� � ed5�ed6�B Z+e+�(d7d)� � ed8�ed9�B Z,e&e+B Z-ee-e* e- �Z.e.�(d:d)� � ed;��/� Z0ed<��/� Z1e � Z2e.ee0e2 e1 �B Z3e2e3ee,e2 � > ee2 e Z4e eee f ee d=�d>d?�Z5d]e ee e e"dAf ef e e edB�dCdD�Z6dEd)� dFd)� e j7e j8e j9e j:e j;e j<dG�Z=eee f e>dH< ee%ee dI�dJdK�Z?G dLdM� dM�Z@e@� ZAeeef eedN�dOdP�ZBee eeef e dQ�dRdS�ZCdTedU�dVdW�ZDeeef dX�dYdZ�ZEG d[d\� d\�ZFdS )^� N)�Any�Callable�Dict�List�Optional�Tuple�Union) �Forward�Group�Literal�ParseException� ParseResults� QuotedString� ZeroOrMore� stringEnd� stringStart� )�InvalidSpecifier� Specifier)� InvalidMarker�UndefinedComparison�UndefinedEnvironmentName�Marker�default_environmentc @ s e Zd ZdZdS )r zE An invalid marker was found, users should refer to PEP 508. N��__name__� __module__� __qualname__�__doc__� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/packaging/markers.pyr $ s r c @ s e Zd ZdZdS )r zP An invalid operation was attempted on a value that doesn't support it. Nr r r r r r * s r c @ s e Zd ZdZdS )r z\ A name was attempted to be used that does not exist inside of the environment. Nr r r r r r 0 s r c @ sF e Zd Zedd�dd�Zed�dd�Zed�dd �Zed�d d �ZdS ) �NodeN)�value�returnc C s || _ d S �N)r" )�selfr" r r r �__init__8 s z Node.__init__�r# c C s t | j�S r$ )�strr" �r% r r r �__str__; s z Node.__str__c C s d| j j� d| � d�S )N�<z('�')>)� __class__r r) r r r �__repr__> s z Node.__repr__c C s t �d S r$ )�NotImplementedErrorr) r r r � serializeA s zNode.serialize) r r r r r& r( r* r. r0 r r r r r! 7 s r! c @ s e Zd Zed�dd�ZdS )�Variabler' c C s t | �S r$ �r( r) r r r r0 F s zVariable.serializeN�r r r r( r0 r r r r r1 E s r1 c @ s e Zd Zed�dd�ZdS )�Valuer' c C s d| � d�S )N�"r r) r r r r0 K s zValue.serializeNr3 r r r r r4 J s r4 c @ s e Zd Zed�dd�ZdS )�Opr' c C s t | �S r$ r2 r) r r r r0 P s z Op.serializeNr3 r r r r r6 O s r6 �implementation_version� platform_python_implementation�implementation_name�python_full_version�platform_release�platform_version�platform_machine�platform_system�python_version� sys_platform�os_name�os.name� sys.platform�platform.version�platform.machine� platform.python_implementation�python_implementationZextra)rB rC rD rE rF rG c C s t t�|d |d ��S �Nr )r1 �ALIASES�get��s�l�tr r r �<lambda>p � rO z===�==�>=�<=�!=z~=�>r+ �not in�inc C s t |d �S rH )r6 rK r r r rO w rP �'r5 c C s t |d �S rH )r4 rK r r r rO z rP �and�orc C s t |d �S rH )�tuplerK r r r rO � rP �(�))�resultsr# c C s t | t�rdd� | D �S | S d S )Nc S s g | ] }t |��qS r )�_coerce_parse_result)�.0�ir r r � <listcomp>� rP z(_coerce_parse_result.<locals>.<listcomp>)� isinstancer )r^ r r r r_ � s r_ T.)�marker�firstr# c C s� t | t�r4t| �dkr4t | d ttf�r4t| d �S t | t�rndd� | D �}|rZd�|�S dd�|� d S n"t | t�r�d�dd � | D ��S | S d S ) Nr r c s s | ]}t |d d�V qdS )F)re N)�_format_marker�r` �mr r r � <genexpr>� rP z!_format_marker.<locals>.<genexpr>� r\ r] c S s g | ] }|� � �qS r )r0 rg r r r rb � rP z"_format_marker.<locals>.<listcomp>)rc �list�lenr[ rf �join)rd re �innerr r r rf � s � �� rf c C s | |v S r$ r ��lhs�rhsr r r rO � rP c C s | |vS r$ r ro r r r rO � rP )rW rV r+ rS rQ rT rR rU � _operators)rp �oprq r# c C st zt d�|�� |g��}W n ty, Y n 0 |�| �S t�|�� �}|d u rjtd|�d| �d|�d���|| |�S )N� z Undefined z on z and �.)r rm r0 r �containsrr rJ r )rp rs rq �specZoperr r r �_eval_op� s rx c @ s e Zd ZdS )� UndefinedN)r r r r r r r ry � s ry )� environment�namer# c C s( | � |t�}t|t�r$t|�d���|S )Nz* does not exist in evaluation environment.)rJ � _undefinedrc ry r )rz r{ r" r r r �_get_env� s �r} )�markersrz r# c C s� g g}| D ]�}t |t�r.|d �t||�� q t |t�r�|\}}}t |t�r`t||j�}|j}n|j}t||j�}|d �t|||�� q |dkr |�g � q t dd� |D ��S )N���rZ c s s | ]}t |�V qd S r$ )�all)r` �itemr r r ri � rP z$_evaluate_markers.<locals>.<genexpr>) rc rk �append�_evaluate_markersr[ r1 r} r" rx �any) r~ rz �groupsrd rp rs rq Z lhs_valueZ rhs_valuer r r r� � s r� zsys._version_info)�infor# c C s2 d� | �}| j}|dkr.||d t| j� 7 }|S )Nz {0.major}.{0.minor}.{0.micro}�finalr )�format� releaselevelr( �serial)r� �version�kindr r r �format_full_version� s r� r' c C s^ t tjj�} tjj}|| tjt�� t�� t� � t�� t� � t� � d� t� � d d� �tjd� S )Nru � ) r9 r7 rA r= r; r> r< r: r8 r? r@ )r� �sys�implementationr� r{ �os�platform�machine�release�systemr? rG rm Zpython_version_tuple)Ziverr9 r r r r s �r c @ sV e Zd Zedd�dd�Zed�dd�Zed�dd �Zd eeeef e d �d d �Z dS )r N)rd r# c C sb zt t�|��| _W nH ty\ } z0td|�d||j|jd � ����W Y d }~n d }~0 0 d S )NzInvalid marker: z, parse error at � )r_ �MARKERZ parseString�_markersr r �loc)r% rd �er r r r& s ��zMarker.__init__r' c C s t | j�S r$ )rf r� r) r r r r* s zMarker.__str__c C s d| � d�S )Nz <Marker('r, r r) r r r r. s zMarker.__repr__)rz r# c C s$ t � }|dur|�|� t| j|�S )a$ Evaluate a marker. Return the boolean from evaluating the given marker against the environment. environment is an optional argument to override all or part of the determined environment. The environment is determined from the current Python process. N)r �updater� r� )r% rz Zcurrent_environmentr r r �evaluate# s zMarker.evaluate)N) r r r r( r& r* r. r r �boolr� r r r r r s r )T)G�operatorr� r� r� �typingr r r r r r r Zpip._vendor.pyparsingr r r �Lr r r r r r Z specifiersr r �__all__r( r� ZOperator� ValueErrorr r r r! r1 r4 r6 ZVARIABLErI ZsetParseActionZ VERSION_CMPZ MARKER_OPZ MARKER_VALUEZBOOLOPZ MARKER_VARZ MARKER_ITEM�suppressZLPARENZRPARENZ MARKER_EXPRZ MARKER_ATOMr� r_ rf �lt�le�eq�ne�ge�gtrr �__annotations__rx ry r| r} r� r� r r r r r r �<module> s� $, �������� � � � � �������>� � � � _vendor/packaging/__pycache__/markers.cpython-39.pyc 0000644 00000022311 15114542003 0016423 0 ustar 00 a [��f'! � @ s� U d dl Z d dlZd dlZd dlZd dlmZmZmZmZm Z m Z m Z d dl m Z mZmZmZmZmZmZmZmZ ddlmZmZ g d�Zeeege f Z G dd� de �Z G d d � d e �Z G d d � d e �Z!G d d� d�Z"G dd� de"�Z#G dd� de"�Z$G dd� de"�Z%ed�ed�B ed�B ed�B ed�B ed�B ed�B ed �B ed �B ed �B ed �B ed �B ed!�B ed"�B ed#�B ed$�B ed%�B ed&�B Z&d d ddddd'�Z'e&�(d(d)� � ed*�ed+�B ed,�B ed-�B ed.�B ed/�B ed0�B ed1�B Z)e)ed2�B ed3�B Z*e*�(d4d)� � ed5�ed6�B Z+e+�(d7d)� � ed8�ed9�B Z,e&e+B Z-ee-e* e- �Z.e.�(d:d)� � ed;��/� Z0ed<��/� Z1e � Z2e.ee0e2 e1 �B Z3e2e3ee,e2 � > ee2 e Z4e eee f ee d=�d>d?�Z5d]e ee e e"dAf ef e e edB�dCdD�Z6dEd)� dFd)� e j7e j8e j9e j:e j;e j<dG�Z=eee f e>dH< ee%ee dI�dJdK�Z?G dLdM� dM�Z@e@� ZAeeef eedN�dOdP�ZBee eeef e dQ�dRdS�ZCdTedU�dVdW�ZDeeef dX�dYdZ�ZEG d[d\� d\�ZFdS )^� N)�Any�Callable�Dict�List�Optional�Tuple�Union) �Forward�Group�Literal�ParseException� ParseResults� QuotedString� ZeroOrMore� stringEnd� stringStart� )�InvalidSpecifier� Specifier)� InvalidMarker�UndefinedComparison�UndefinedEnvironmentName�Marker�default_environmentc @ s e Zd ZdZdS )r zE An invalid marker was found, users should refer to PEP 508. N��__name__� __module__� __qualname__�__doc__� r r �A/usr/lib/python3.9/site-packages/pip/_vendor/packaging/markers.pyr $ s r c @ s e Zd ZdZdS )r zP An invalid operation was attempted on a value that doesn't support it. Nr r r r r r * s r c @ s e Zd ZdZdS )r z\ A name was attempted to be used that does not exist inside of the environment. 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N)�__name__� __module__� __qualname__�__doc__� r r �D/usr/lib/python3.9/site-packages/pip/_vendor/packaging/specifiers.pyr ! s r c @ s� e Zd Zejed�dd��Zejed�dd��Zeje e d�dd��Z eje e d�d d ��Z ej ee d�d d ��Zeje d d�dd ��Zejdeee e d�dd��Zejdee ee ee d�dd��Zd S )� BaseSpecifier��returnc C s dS )z� Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. Nr ��selfr r r �__str__( s zBaseSpecifier.__str__c C s dS )zF Returns a hash value for this Specifier like object. Nr r r r r �__hash__/ s zBaseSpecifier.__hash__��otherr c C s dS )zq Returns a boolean representing whether or not the two Specifier like objects are equal. Nr �r r# r r r �__eq__5 s zBaseSpecifier.__eq__c C s dS )zu Returns a boolean representing whether or not the two Specifier like objects are not equal. Nr r$ r r r �__ne__< s zBaseSpecifier.__ne__c C s dS )zg Returns whether or not pre-releases as a whole are allowed by this specifier. 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Nr )r r0 r' r r r �filterW s zBaseSpecifier.filter)N)N)r r r �abc�abstractmethod�strr �intr! �object�boolr% r& �abstractpropertyr r' �setterr. r r r1 r r r r r ' s( � �r )� metaclassc @ sb e Zd ZU i Zeeef ed< ee ed< d-eee dd�dd�Z ed�d d �Z ed�d d �Z e eeef d�d d��Zed�dd�Zee d�dd�Zee d�dd�Zeed�dd�Zeed�dd�Ze ed�d d ��Ze ed�d d ��Ze ee d�d d!��Z e j e dd"�d#d!��Z ee d$�d%d&�Z d.eee e d'�d(d)�Z d/e e! ee e e! d*�d+d,�Z"dS )0�_IndividualSpecifier� _operators�_regex� N��specr' r c C sH | j �|�}|s td|� d���|�d��� |�d��� f| _|| _d S )NzInvalid specifier: '�'�operator�version)r= �searchr �group�strip�_spec� _prereleases)r r@ r' �matchr r r �__init__f s �z _IndividualSpecifier.__init__r c C s0 | j d urd| j��nd}d�| jjt| �|�S )N�, prereleases=r> z <{}({!r}{})>)rH r' �format� __class__r r4 �r Zprer r r �__repr__s s ��z _IndividualSpecifier.__repr__c C s dj | j� S )Nz{}{})rL rG r r r r r | s z _IndividualSpecifier.__str__c C s | j d t| j d �fS )Nr r )rG r r r r r �_canonical_spec s z$_IndividualSpecifier._canonical_specc C s t | j�S �N)�hashrP r r r r r! � s z _IndividualSpecifier.__hash__r" c C sR t |t�r6z| �t|��}W qF ty2 t Y S 0 nt || j�sFtS | j|jkS rQ )� isinstancer4 rM r �NotImplementedrP r$ r r r r% � s z_IndividualSpecifier.__eq__c C sR t |t�r6z| �t|��}W qF ty2 t Y S 0 nt || j�sFtS | j|jkS rQ )rS r4 rM r rT rG r$ r r r r& � s z_IndividualSpecifier.__ne__)�opr c C s t | d| j| � ��}|S )NZ _compare_)�getattrr< )r rU �operator_callabler r r � _get_operator� s �z"_IndividualSpecifier._get_operator�rC r c C s t |ttf�st|�}|S rQ )rS r r r �r rC r r r �_coerce_version� s z$_IndividualSpecifier._coerce_versionc C s | j d S )Nr �rG r r r r rB � s z _IndividualSpecifier.operatorc C s | j d S )Nr r\ r r r r rC � s z _IndividualSpecifier.versionc C s | j S rQ �rH r r r r r' � s z _IndividualSpecifier.prereleasesr( c C s || _ d S rQ r] r* r r r r' � s �r, r c C s | � |�S rQ �r. �r r, r r r � __contains__� s z!_IndividualSpecifier.__contains__r+ c C s> |d u r| j }| �|�}|jr&|s&dS | �| j�}||| j�S �NF)r' r[ � is_prereleaserX rB rC )r r, r' Znormalized_itemrW r r r r. � s z _IndividualSpecifier.containsr/ c c s� d}g }d|d ur|ndi}|D ]F}| � |�}| j|fi |��r |jr\|s\| js\|�|� q d}|V q |s�|r�|D ] }|V qtd S )NFr' T)r[ r. rc r' �append)r r0 r' �yielded�found_prereleases�kwrC �parsed_versionr r r r1 � s" �� z_IndividualSpecifier.filter)r> N)N)N)#r r r r< r r4 �__annotations__r r r7 rJ rO r �propertyr rP r5 r! r6 r% r& �CallableOperatorrX �UnparsedVersion� ParsedVersionr[ rB rC r' r9 ra r. r r r1 r r r r r; a s> �� � �r; c s� e Zd ZdZe�de d ejejB �Zdddddd d �Z d e e e d d �� fdd� Z eed�dd�Zee e d�dd�Zee e d�dd�Zee e d�dd�Zee e d�dd�Zee e d�d d �Zee e d�d d �Z� ZS )!�LegacySpecifiera� (?P<operator>(==|!=|<=|>=|<|>)) \s* (?P<version> [^,;\s)]* # Since this is a "legacy" specifier, and the version # string can be just about anything, we match everything # except for whitespace, a semi-colon for marker support, # a closing paren since versions can be enclosed in # them, and a comma since it's a version separator. ) �^\s*�\s*$�equal� not_equal�less_than_equal�greater_than_equal� less_than� greater_than)�==�!=�<=�>=�<�>r> Nr? c s t � �||� t�dt� d S )NzZCreating a LegacyVersion has been deprecated and will be removed in the next major release)�superrJ �warnings�warn�DeprecationWarning)r r@ r' �rM r r rJ s �zLegacySpecifier.__init__rY c C s t |t�stt|��}|S rQ )rS r r4 rZ r r r r[ s z LegacySpecifier._coerce_version�� prospectiver@ r c C s || � |�kS rQ �r[ �r r� r@ r r r �_compare_equal s z LegacySpecifier._compare_equalc C s || � |�kS rQ r� r� r r r �_compare_not_equal s z"LegacySpecifier._compare_not_equalc C s || � |�kS rQ r� r� r r r �_compare_less_than_equal" s z(LegacySpecifier._compare_less_than_equalc C s || � |�kS rQ r� r� r r r �_compare_greater_than_equal% s z+LegacySpecifier._compare_greater_than_equalc C s || � |�k S rQ r� r� r r r �_compare_less_than* s z"LegacySpecifier._compare_less_thanc C s || � |�kS rQ r� r� r r r �_compare_greater_than- s z%LegacySpecifier._compare_greater_than)r> N)r r r � _regex_str�re�compile�VERBOSE� IGNORECASEr= r< r4 r r7 rJ rl r r[ r� r� r� r� r� r� � __classcell__r r r� r rn � s& � � rn � Specifier)�fnr c s& t �� �dtttd�� fdd� �}|S )Nr� )r r� r@ r c s t |t�sdS � | ||�S rb )rS r r� �r� r r �wrapped4 s z)_require_version_compare.<locals>.wrapped)� functools�wrapsrm r4 r7 )r� r� r r� r �_require_version_compare1 s r� c @ s e Zd ZdZe�de d ejejB �Zdddddd d d d �Z e e e e d �dd��Ze e e e d �dd��Ze e e e d �dd��Ze e e e d �dd��Ze e e e d �dd��Ze e e e d�dd��Ze e e e d�dd ��Zee e d �d d �Zee d �d d!��Zeje d"d#�d$d!��Zd"S )%r� a (?P<operator>(~=|==|!=|<=|>=|<|>|===)) (?P<version> (?: # The identity operators allow for an escape hatch that will # do an exact string match of the version you wish to install. # This will not be parsed by PEP 440 and we cannot determine # any semantic meaning from it. This operator is discouraged # but included entirely as an escape hatch. (?<====) # Only match for the identity operator \s* [^\s]* # We just match everything, except for whitespace # since we are only testing for strict identity. ) | (?: # The (non)equality operators allow for wild card and local # versions to be specified so we have to define these two # operators separately to enable that. (?<===|!=) # Only match for equals and not equals \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)* # release (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? # You cannot use a wild card and a dev or local version # together so group them with a | and make them optional. (?: (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local | \.\* # Wild card syntax of .* )? ) | (?: # The compatible operator requires at least two digits in the # release segment. (?<=~=) # Only match for the compatible operator \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)+ # release (We have a + instead of a *) (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release ) | (?: # All other operators only allow a sub set of what the # (non)equality operators do. Specifically they do not allow # local versions to be specified nor do they allow the prefix # matching wild cards. (?<!==|!=|~=) # We have special cases for these # operators so we want to make sure they # don't match here. \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)* # release (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release ) ) ro rp Z compatiblerq rr rs rt ru rv Z arbitrary)�~=rw rx ry rz r{ r| �===r� c C sJ d� tt�tt|���d d� �}|d7 }| �d�||�oH| �d�||�S )N�.����.*rz rw )�join�list� itertools� takewhile�_is_not_suffix�_version_splitrX )r r� r@ �prefixr r r �_compare_compatible� s ��z Specifier._compare_compatiblec C sz |� d�rVt|j�}t|d d� �}tt|��}|d t|�� }t||�\}}||kS t|�}|jsnt|j�}||kS d S )Nr� ���)�endswithr �publicr� r4 �len� _pad_version�local) r r� r@ Z split_specZsplit_prospectiveZshortened_prospectiveZ padded_specZpadded_prospectiveZ spec_versionr r r r� � s � zSpecifier._compare_equalc C s | � ||� S rQ )r� r� r r r r� � s z Specifier._compare_not_equalc C s t |j�t |�kS rQ �r r� r� r r r r� � s z"Specifier._compare_less_than_equalc C s t |j�t |�kS rQ r� r� r r r r� � s z%Specifier._compare_greater_than_equal)r� �spec_strr c C s< t |�}||k sdS |js8|jr8t |j�t |j�kr8dS dS �NFT)r rc � base_version�r r� r� r@ r r r r� � s z Specifier._compare_less_thanc C s^ t |�}||ksdS |js8|jr8t |j�t |j�kr8dS |jd urZt |j�t |j�krZdS dS r� )r Zis_postreleaser� r� r� r r r r� s z Specifier._compare_greater_thanc C s t |��� t |��� kS rQ )r4 �lowerr� r r r �_compare_arbitrary7 s z Specifier._compare_arbitraryr c C sR | j d ur| j S | j\}}|dv rN|dkr@|�d�r@|d d� }t|�jrNdS dS )N)rw rz ry r� r� rw r� r� TF)rH rG r� r rc )r rB rC r r r r' : s zSpecifier.prereleasesNr( c C s || _ d S rQ r] r* r r r r' S s )r r r r� r� r� r� r� r= r< r� rm r4 r7 r� r� r� r� r� r� r� r r� rj r' r9 r r r r r� = s@ ] � '� z ^([0-9]+)((?:a|b|c|rc)[0-9]+)$rY c C s@ g }| � d�D ],}t�|�}|r0|�|�� � q|�|� q|S )Nr� )�split� _prefix_regexrD �extend�groupsrd )rC �resultr, rI r r r r� [ s r� )�segmentr c s t � fdd�dD �� S )Nc 3 s | ]}� � |�V qd S rQ )� startswith)�.0r� �r� r r � <genexpr>g s z!_is_not_suffix.<locals>.<genexpr>)�dev�a�b�rcZpost)�anyr� r r� r r� f s �r� )�left�rightr c C s� g g }}|� tt�dd� | ��� |� tt�dd� |��� |� | t|d �d � � |� |t|d �d � � |�ddgtdt|d �t|d � � � |�ddgtdt|d �t|d � � � ttj|� �ttj|� �fS )Nc S s | � � S rQ ��isdigit��xr r r �<lambda>p � z _pad_version.<locals>.<lambda>c S s | � � S rQ r� r� r r r r� q r� r r �0)rd r� r� r� r� �insert�max�chain)r� r� Z left_splitZ right_splitr r r r� l s ,,r� c @ s e Zd Zd%eee dd�dd�Zed�dd�Zed�d d �Ze d�d d �Z e d ef d d �dd�Z e ed �dd�Ze ed �dd�Ze d�dd�Zee d�dd�Zeee d�dd��Zejedd�dd��Zeed �d d �Zd&eee ed �d d!�Zd'ee ee ee d"�d#d$�Z dS )(� SpecifierSetr> N)� specifiersr' r c C sl dd� |� d�D �}t� }|D ]8}z|�t|�� W q tyT |�t|�� Y q 0 q t|�| _|| _d S )Nc S s g | ]}|� � r|� � �qS r )rF �r� �sr r r � <listcomp>� r� z)SpecifierSet.__init__.<locals>.<listcomp>�,) r� �set�addr� r rn � frozenset�_specsrH )r r� r' Zsplit_specifiers�parsed� specifierr r r rJ s zSpecifierSet.__init__r c C s* | j d urd| j��nd}d�t| �|�S )NrK r> z<SpecifierSet({!r}{})>)rH r' rL r4 rN r r r rO � s ��zSpecifierSet.__repr__c C s d� tdd� | jD ���S )Nr� c s s | ]}t |�V qd S rQ )r4 r� r r r r� � r� z'SpecifierSet.__str__.<locals>.<genexpr>)r� �sortedr� r r r r r � s zSpecifierSet.__str__c C s t | j�S rQ )rR r� r r r r r! � s zSpecifierSet.__hash__r" c C s� t |t�rt|�}nt |t�s"tS t� }t| j|jB �|_| jd u rX|jd urX|j|_n<| jd urv|jd u rv| j|_n | j|jkr�| j|_ntd��|S )NzFCannot combine SpecifierSets with True and False prerelease overrides.)rS r4 r� rT r� r� rH � ValueError)r r# r� r r r �__and__� s �zSpecifierSet.__and__c C s6 t |ttf�r tt|��}nt |t�s*tS | j|jkS rQ �rS r4 r; r� rT r� r$ r r r r% � s zSpecifierSet.__eq__c C s6 t |ttf�r tt|��}nt |t�s*tS | j|jkS rQ r� r$ r r r r& � s zSpecifierSet.__ne__c C s t | j�S rQ )r� r� r r r r �__len__� s zSpecifierSet.__len__c C s t | j�S rQ )�iterr� r r r r �__iter__� s zSpecifierSet.__iter__c C s. | j d ur| j S | jsd S tdd� | jD ��S )Nc s s | ] }|j V qd S rQ �r' r� r r r r� � r� z+SpecifierSet.prereleases.<locals>.<genexpr>)rH r� r� r r r r r' � s zSpecifierSet.prereleasesr( c C s || _ d S rQ r] r* r r r r' � s r^ c C s | � |�S rQ r_ r` r r r ra � s zSpecifierSet.__contains__r+ c sL t � ttf�st� �� �d u r$| j��s2� jr2dS t� �fdd�| jD ��S )NFc 3 s | ]}|j � �d �V qdS )r� Nr_ r� �r, r' r r r� r� z(SpecifierSet.contains.<locals>.<genexpr>)rS r r r r' rc �allr� r- r r� r r. � s zSpecifierSet.containsr/ c C s� |d u r| j }| jr6| jD ]}|j|t|�d�}q|S g }g }|D ]P}t|ttf�s^t|�}n|}t|t�rnqB|jr�|s�|s�|� |� qB|� |� qB|s�|r�|d u r�|S |S d S )Nr� ) r' r� r1 r7 rS r r r rc rd )r r0 r' r@ Zfilteredrf r, rh r r r r1 s* zSpecifierSet.filter)r> N)N)N) r r r r4 r r7 rJ rO r r5 r! r r� r6 r% r& r� r r; r� rj r' r9 rl ra r. r r r1 r r r r r� ~ s8 �� �� � �r� )+r2 r� r� r� r~ �typingr r r r r r r r r r r Zutilsr rC r r r rm r4 rl r r7 rk r� r �ABCMetar r; rn r� r� r� r� r� r� r� r� r r r r �<module> s6 4 : =� * _vendor/packaging/__pycache__/specifiers.cpython-39.pyc 0000644 00000053236 15114542003 0017125 0 ustar 00 a [��f�x � @ s� d dl Z d dlZd dlZd dlZd dlZd dlmZmZmZm Z m Z m Z m Z m Z mZmZmZ ddlmZ ddlmZmZmZ eeef Zeeeef Zeded�Zeeegef Z G dd � d e �Z G d d � d e j d �Z G d d� de �Z!G dd� de!�Z"edeegef edeegef d�dd�Z#G dd� de!�Z$e�%d�Z&ee e d�dd�Z'eed�dd �Z(e e e e ee e e e f d �d d �Z)G d d!� d!e �Z*dS )"� N) �Callable�Dict�Iterable�Iterator�List�Optional�Pattern�Set�Tuple�TypeVar�Union� )�canonicalize_version)� LegacyVersion�Version�parse�VersionTypeVar)�boundc @ s e Zd ZdZdS )�InvalidSpecifierzH An invalid specifier was found, users should refer to PEP 440. N)�__name__� __module__� __qualname__�__doc__� r r �D/usr/lib/python3.9/site-packages/pip/_vendor/packaging/specifiers.pyr ! s r c @ s� e Zd Zejed�dd��Zejed�dd��Zeje e d�dd��Z eje e d�d d ��Z ej ee d�d d ��Zeje d d�dd ��Zejdeee e d�dd��Zejdee ee ee d�dd��Zd S )� BaseSpecifier��returnc C s dS )z� Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. Nr ��selfr r r �__str__( s zBaseSpecifier.__str__c C s dS )zF Returns a hash value for this Specifier like object. Nr r r r r �__hash__/ s zBaseSpecifier.__hash__��otherr c C s dS )zq Returns a boolean representing whether or not the two Specifier like objects are equal. Nr �r r# r r r �__eq__5 s zBaseSpecifier.__eq__c C s dS )zu Returns a boolean representing whether or not the two Specifier like objects are not equal. Nr r$ r r r �__ne__< s zBaseSpecifier.__ne__c C s dS )zg Returns whether or not pre-releases as a whole are allowed by this specifier. Nr r r r r � prereleasesC s zBaseSpecifier.prereleasesN��valuer c C s dS )zd Sets whether or not pre-releases as a whole are allowed by this specifier. Nr �r r) r r r r' J s ��itemr' r c C s dS )zR Determines if the given item is contained within this specifier. Nr �r r, r' r r r �containsQ s zBaseSpecifier.contains��iterabler' r c C s dS )z� Takes an iterable of items and filters them so that only items which are contained within this specifier are allowed in it. 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� s zSpecifierSet.__hash__r" c C s� t |t�rt|�}nt |t�s"tS t� }t| j|jB �|_| jd u rX|jd urX|j|_n<| jd urv|jd u rv| j|_n | j|jkr�| j|_ntd��|S )NzFCannot combine SpecifierSets with True and False prerelease overrides.)rS r4 r� rT r� r� rH � ValueError)r r# r� r r r �__and__� s �zSpecifierSet.__and__c C s6 t |ttf�r tt|��}nt |t�s*tS | j|jkS rQ �rS r4 r; r� rT r� r$ r r r r% � s zSpecifierSet.__eq__c C s6 t |ttf�r tt|��}nt |t�s*tS | j|jkS rQ r� r$ r r r r& � s zSpecifierSet.__ne__c C s t | j�S rQ )r� r� r r r r �__len__� s zSpecifierSet.__len__c C s t | j�S rQ )�iterr� r r r r �__iter__� s zSpecifierSet.__iter__c C s. | j d ur| j S | jsd S tdd� | jD ��S )Nc s s | ] }|j V qd S rQ �r' r� r r r r� � r� z+SpecifierSet.prereleases.<locals>.<genexpr>)rH r� r� r r r r r' � s zSpecifierSet.prereleasesr( c C s || _ d S rQ r] r* r r r r' � s r^ c C s | � |�S rQ r_ r` r r r ra � s zSpecifierSet.__contains__r+ c sL t � ttf�st� �� �d u r$| j��s2� jr2dS t� �fdd�| jD ��S )NFc 3 s | ]}|j � �d �V qdS )r� Nr_ r� �r, r' r r r� r� z(SpecifierSet.contains.<locals>.<genexpr>)rS r r r r' rc �allr� r- r r� r r. � s zSpecifierSet.containsr/ c C s� |d u r| j }| jr6| jD ]}|j|t|�d�}q|S g }g }|D ]P}t|ttf�s^t|�}n|}t|t�rnqB|jr�|s�|s�|� |� qB|� |� qB|s�|r�|d u r�|S |S d S )Nr� ) r' r� r1 r7 rS r r r rc rd )r r0 r' r@ Zfilteredrf r, rh r r r r1 s* zSpecifierSet.filter)r> N)N)N) r r r r4 r r7 rJ rO r r5 r! r r� r6 r% r& r� r r; r� rj r' r9 rl ra r. r r r1 r r r r r� ~ s8 �� �� � �r� )+r2 r� r� r� r~ �typingr r r r r r r r r r r Zutilsr rC r r r rm r4 rl r r7 rk r� r �ABCMetar r; rn r� r� r� r� r� r� r� r� r r r r �<module> s6 4 : =� * _vendor/packaging/__pycache__/tags.cpython-39.opt-1.pyc 0000644 00000027735 15114542003 0016673 0 ustar 00 a [��fb= � @ s� U d dl Z d dlZd dlZd dlZd dlmZ d dlmZmZm Z m Z m Z m Z m Z mZmZmZ ddlmZmZ e �e�Ze e Zeeef Zdddd d d �Zeeef e d < ej d kZ G dd� d�Z eee d�dd�Z dJee!eeedf d�dd�Z"eed�dd�Z#ee!d�dd �Z$dKee!e e d �d d �Z%dLdd �e e e e e e e e e!e e d!�d"d#�Z&e e d$�d%d&�Z'dMdd �e e e e e e e e e!e e d'�d(d)�Z(ee e d*�d+d,�Z)dNe e e e e e e e e d-�d.d/�Z*e fee!ed0�d1d2�Z+eee e d3�d4d5�Z,dOe e e e e e d6�d7d8�Z-e fe!e e d9�d:d;�Z.e e d$�d<d=�Z/e e d$�d>d?�Z0ed$�d@dA�Z1dd �e!edB�dCdD�Z2eedE�dFdG�Z3dd �e!e e dB�dHdI�Z4dS )P� N)�EXTENSION_SUFFIXES) �Dict� FrozenSet�Iterable�Iterator�List�Optional�Sequence�Tuple�Union�cast� )� _manylinux� _musllinux�py�cp�ppZipZjy)ZpythonZcpythonZpypyZ ironpythonZjython�INTERPRETER_SHORT_NAMESl c @ s� e Zd ZdZg d�Zeeedd�dd�Zeed�dd ��Zeed�d d ��Z eed�d d ��Z e e d�dd�Z ed�dd�Zed�dd�Zed�dd�ZdS )�Tagz� A representation of the tag triple for a wheel. 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PEP 384 was first implemented in Python 3.2. r )� � )�len�tuple)rQ r! r! r" � _abi3_applies} s rV )� py_versionrF r c C s� t | �} g }t| d d� �}d } }}td|�}ttd�}dtv } |sX|d u r\|sX| r\d}| dk r�td|�} | sz| d u r~d }| d k r�td |�} | d ks�| d u r�tjd kr�d}n|r�|�d|� �� |�ddj ||||d�� |S )NrS � ZPy_DEBUGZgettotalrefcountz_d.pyd�d)rR � Z WITH_PYMALLOC�m)rR rR ZPy_UNICODE_SIZE� i�� �ur r z"cp{version}{debug}{pymalloc}{ucs4})�versionrJ �pymalloc�ucs4) rU �_version_nodotrL �hasattr�sysr � maxunicode�append�insertr- ) rW rF rA r^ rJ r_ r` Z with_debugZ has_refcountZhas_extZ with_pymallocZ unicode_sizer! r! r" � _cpython_abis� s< ����rg �rF )rQ rA rB rF r c # sD | st jdd� } d�t| dd� ��� |du rLt| �dkrHt| |�}ng }t|�}dD ]&}z|�|� W qX ty| Y qX0 qXt|p�t � �}|D ] }|D ]}t � ||�V q�q�t | �rЇ fdd�|D �E dH � fdd�|D �E dH t | ��r@t | d d dd �D ]8}|D ],}d jt| d |f�d �� t � d |�V �q�qdS )a Yields the tags for a CPython interpreter. The tags consist of: - cp<python_version>-<abi>-<platform> - cp<python_version>-abi3-<platform> - cp<python_version>-none-<platform> - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. If python_version only specifies a major version then user-provided ABIs and the 'none' ABItag will be used. If 'abi3' or 'none' are specified in 'abis' then they will be yielded at their normal position and not at the beginning. NrS zcp{}r )�abi3�nonec 3 s | ]}t � d |�V qdS )ri N�r ��.0rC �r r! r" � <genexpr>� � z cpython_tags.<locals>.<genexpr>c 3 s | ]}t � d |�V qdS )rj Nrk rl rn r! r" ro � rp ���z cp{version}r �r^ ri ) rc � version_infor- ra rT rg �list�remove� ValueError�_platform_tagsr rV �range)rQ rA rB rF Z explicit_abir rC � minor_versionr! rn r" � cpython_tags� s6 �rz r$ c c s t �d�} | rt| �V d S )NZSOABI)rG rH rP )r r! r! r" � _generic_abi� s r{ )r rA rB rF r c c s~ | s"t � }t|d�}d�||g�} |du r0t� }t|p:t� �}t|�}d|vrX|�d� |D ] }|D ]}t| ||�V qdq\dS )z� Yields the tags for a generic interpreter. The tags consist of: - <interpreter>-<abi>-<platform> The "none" ABI will be added if it was not explicitly provided. rh rX Nrj )�interpreter_name�interpreter_version�joinr{ rt rw re r )r rA rB rF � interp_nameZinterp_versionr rC r! r! r" � generic_tags� s r� )rW r c c s| t | �dkr&djt| dd� �d�V dj| d d�V t | �dkrxt| d d d d �D ] }djt| d |f�d�V qXdS ) z� Yields Python versions in descending order. After the latest version, the major-only version will be yielded, and then all previous versions of that major version. r z py{version}NrS rr z py{major}r )�majorrq )rT r- ra rx )rW �minorr! r! r" �_py_interpreter_range s r� )rQ r rB r c c sx | st jdd� } t|p t� �}t| �D ] }|D ]}t|d|�V q0q(|rXt|dd�V t| �D ]}t|dd�V q`dS )z� Yields the sequence of tags that are compatible with a specific version of Python. The tags consist of: - py*-none-<platform> - <interpreter>-none-any # ... if `interpreter` is provided. - py*-none-any NrS rj �any)rc rs rt rw r� r )rQ r rB r^ rC r! r! r" �compatible_tags s r� )�arch�is_32bitr c C s |s| S | � d�rdS dS )N�ppc�i386)� startswith)r� r� r! r! r" � _mac_arch/ s r� )r^ �cpu_archr c C s� |g}|dkr*| dk rg S |� g d�� nn|dkrN| dk r>g S |� g d�� nJ|dkrv| dksf| dk rjg S |�d� n"|d kr�| d kr�g S |� d d g� |d v r�|�d� |dv r�|�d� |S )N�x86_64)� r\ )�intel�fat64�fat32r� )r� r� �fat�ppc64)r� � r� r� )r� � r� r� > r� Zarm64� universal2> r� r� r� r� r� � universal)�extendre )r^ r� �formatsr! r! r" �_mac_binary_formats9 s, r� )r^ r� r c c s� t �� \}}}| du r:tdttt|�d�dd� ���} n| } |du rPt|�}n|}d| kr�| dk r�t| d dd�D ]2}d |f}t ||�}|D ]}d j d ||d �V q�qt| dkr�t| d d d�D ]2} | d f}t ||�}|D ]}d j | d |d �V q�q�| dk�r�|d k�rVtddd�D ]>}d |f}t ||�}|D ] }d j |d |d |d �V �q.�qn:tddd�D ],}d |f}d}d j |d |d |d �V �qbdS )aD Yields the platform tags for a macOS system. The `version` parameter is a two-item tuple specifying the macOS version to generate platform tags for. The `arch` parameter is the CPU architecture to generate platform tags for. Both parameters default to the appropriate value for the current system. N� MacVersionr; rS )r� r )� r r rq r� z&macosx_{major}_{minor}_{binary_format})r� r� � binary_formatr r� � rR r� ) r Zmac_verr rU �mapr9 r= r� rx r� r- ) r^ r� Z version_strrN r� ry Zcompat_versionZbinary_formatsr� � major_versionr! r! r" � mac_platformsY sT $ � � ��r� )r� r c c sf t t�� �}| r*|dkr d}n |dkr*d}|�dd�\}}t�||�E d H t�|�E d H |V d S )NZ linux_x86_64Z linux_i686Z linux_aarch64Z linux_armv7lrN r )rP rG � get_platformr= r Z platform_tagsr )r� ZlinuxrN r� r! r! r" �_linux_platforms� s r� c c s t t�� �V d S r )rP rG r� r! r! r! r" �_generic_platforms� s r� c C s. t �� dkrt� S t �� dkr$t� S t� S dS )z; Provides the platform tags for this installation. ZDarwinZLinuxN)r �systemr� r� r� r! r! r! r" rw � s rw c C s t jj} t�| �p| S )z6 Returns the name of the running interpreter. )rc �implementationrE r �get)rE r! r! r" r| � s r| )rF r c C s0 t d| d�}|rt|�}nttjdd� �}|S )z9 Returns the version of the running interpreter. Zpy_version_nodotrh NrS )rL r5 ra rc rs )rF r^ r! r! r" r} � s r} )r^ r c C s d� tt| ��S )NrX )r~ r� r5 rr r! r! r" ra � s ra c c s< t � }|dkr t| d�E dH n t� E dH t� E dH dS )z� Returns the sequence of tag triples for the running interpreter. The order of the sequence corresponds to priority order for the interpreter, from most to least important. r rh N)r| rz r� r� )rF r r! r! r" �sys_tags� s r� )F)F)NNN)NNN)NNN)NN)5Zloggingr rc rG �importlib.machineryr �typingr r r r r r r r r r rX r r Z getLoggerr0 rI r9 Z PythonVersionr� r r5 �__annotations__�maxsizeZ_32_BIT_INTERPRETERr rD r8 rL rP rV rg rz r{ r� r� r� r� r� r� r� r� rw r| r} ra r� r! r! r! r" �<module> s� 0 � 6 % �� � 9 �� � � � ! � � H _vendor/packaging/__pycache__/tags.cpython-39.pyc 0000644 00000027735 15114542003 0015734 0 ustar 00 a [��fb= � @ s� U d dl Z d dlZd dlZd dlZd dlmZ d dlmZmZm Z m Z m Z m Z m Z mZmZmZ ddlmZmZ e �e�Ze e Zeeef Zdddd d d �Zeeef e d < ej d kZ G dd� d�Z eee d�dd�Z dJee!eeedf d�dd�Z"eed�dd�Z#ee!d�dd �Z$dKee!e e d �d d �Z%dLdd �e e e e e e e e e!e e d!�d"d#�Z&e e d$�d%d&�Z'dMdd �e e e e e e e e e!e e d'�d(d)�Z(ee e d*�d+d,�Z)dNe e e e e e e e e d-�d.d/�Z*e fee!ed0�d1d2�Z+eee e d3�d4d5�Z,dOe e e e e e d6�d7d8�Z-e fe!e e d9�d:d;�Z.e e d$�d<d=�Z/e e d$�d>d?�Z0ed$�d@dA�Z1dd �e!edB�dCdD�Z2eedE�dFdG�Z3dd �e!e e dB�dHdI�Z4dS )P� N)�EXTENSION_SUFFIXES) �Dict� FrozenSet�Iterable�Iterator�List�Optional�Sequence�Tuple�Union�cast� )� _manylinux� _musllinux�py�cp�ppZipZjy)ZpythonZcpythonZpypyZ ironpythonZjython�INTERPRETER_SHORT_NAMESl c @ s� e Zd ZdZg d�Zeeedd�dd�Zeed�dd ��Zeed�d d ��Z eed�d d ��Z e e d�dd�Z ed�dd�Zed�dd�Zed�dd�ZdS )�Tagz� A representation of the tag triple for a wheel. Instances are considered immutable and thus are hashable. Equality checking is also supported. )� _interpreter�_abi� _platform�_hashN)� interpreter�abi�platform�returnc C s8 |� � | _|� � | _|� � | _t| j| j| jf�| _d S �N)�lowerr r r �hashr )�selfr r r � r! �>/usr/lib/python3.9/site-packages/pip/_vendor/packaging/tags.py�__init__4 s z Tag.__init__�r c C s | j S r )r �r r! r! r" r ? s zTag.interpreterc C s | j S r )r r% r! r! r" r C s zTag.abic C s | j S r )r r% r! r! r" r G s z Tag.platform)�otherr c C s> t |t�stS | j|jko<| j|jko<| j|jko<| j|jkS r )� isinstancer �NotImplementedr r r r )r r& r! r! r" �__eq__K s � � �z Tag.__eq__c C s | j S r )r r% r! r! r" �__hash__V s z Tag.__hash__c C s | j � d| j� d| j� �S )N�-)r r r r% r! r! r" �__str__Y s z Tag.__str__c C s dj | t| �d�S )Nz<{self} @ {self_id}>)r Zself_id)�format�idr% r! r! r" �__repr__\ s z Tag.__repr__)�__name__� __module__� __qualname__�__doc__� __slots__�strr# �propertyr r r �object�boolr) �intr* r, r/ r! r! r! r" r * s r )�tagr c C s` t � }| �d�\}}}|�d�D ]6}|�d�D ]&}|�d�D ]}|�t|||�� q<q.q t|�S )z� Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances. Returning a set is required due to the possibility that the tag is a compressed tag set. r+ �.)�set�split�addr � frozenset)r: �tagsZ interpreters�abis� platformsr r � platform_r! r! r" � parse_tag` s rD F)�name�warnr c C s& t �| �}|d u r"|r"t�d| � |S )Nz>Config variable '%s' is unset, Python ABI tag may be incorrect)� sysconfig�get_config_var�logger�debug)rE rF �valuer! r! r" �_get_config_varp s �rL )�stringr c C s | � dd�� dd�S )Nr; �_r+ )�replace)rM r! r! r" �_normalize_stringy s rP )�python_versionr c C s t | �dkot| �dkS )zj Determine if the Python version supports abi3. PEP 384 was first implemented in Python 3.2. r )� � )�len�tuple)rQ r! r! r" � _abi3_applies} s rV )� py_versionrF r c C s� t | �} g }t| d d� �}d } }}td|�}ttd�}dtv } |sX|d u r\|sX| r\d}| dk r�td|�} | sz| d u r~d }| d k r�td |�} | d ks�| d u r�tjd kr�d}n|r�|�d|� �� |�ddj ||||d�� |S )NrS � ZPy_DEBUGZgettotalrefcountz_d.pyd�d)rR � Z WITH_PYMALLOC�m)rR rR ZPy_UNICODE_SIZE� i�� �ur r z"cp{version}{debug}{pymalloc}{ucs4})�versionrJ �pymalloc�ucs4) rU �_version_nodotrL �hasattr�sysr � maxunicode�append�insertr- ) rW rF rA r^ rJ r_ r` Z with_debugZ has_refcountZhas_extZ with_pymallocZ unicode_sizer! r! r" � _cpython_abis� s< ����rg �rF )rQ rA rB rF r c # sD | st jdd� } d�t| dd� ��� |du rLt| �dkrHt| |�}ng }t|�}dD ]&}z|�|� W qX ty| Y qX0 qXt|p�t � �}|D ] }|D ]}t � ||�V q�q�t | �rЇ fdd�|D �E dH � fdd�|D �E dH t | ��r@t | d d dd �D ]8}|D ],}d jt| d |f�d �� t � d |�V �q�qdS )a Yields the tags for a CPython interpreter. The tags consist of: - cp<python_version>-<abi>-<platform> - cp<python_version>-abi3-<platform> - cp<python_version>-none-<platform> - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. If python_version only specifies a major version then user-provided ABIs and the 'none' ABItag will be used. If 'abi3' or 'none' are specified in 'abis' then they will be yielded at their normal position and not at the beginning. NrS zcp{}r )�abi3�nonec 3 s | ]}t � d |�V qdS )ri N�r ��.0rC �r r! r" � <genexpr>� � z cpython_tags.<locals>.<genexpr>c 3 s | ]}t � d |�V qdS )rj Nrk rl rn r! r" ro � rp ���z cp{version}r �r^ ri ) rc � version_infor- ra rT rg �list�remove� ValueError�_platform_tagsr rV �range)rQ rA rB rF Z explicit_abir rC � minor_versionr! rn r" � cpython_tags� s6 �rz r$ c c s t �d�} | rt| �V d S )NZSOABI)rG rH rP )r r! r! r" � _generic_abi� s r{ )r rA rB rF r c c s~ | s"t � }t|d�}d�||g�} |du r0t� }t|p:t� �}t|�}d|vrX|�d� |D ] }|D ]}t| ||�V qdq\dS )z� Yields the tags for a generic interpreter. The tags consist of: - <interpreter>-<abi>-<platform> The "none" ABI will be added if it was not explicitly provided. rh rX Nrj )�interpreter_name�interpreter_version�joinr{ rt rw re r )r rA rB rF � interp_nameZinterp_versionr rC r! r! r" � generic_tags� s r� )rW r c c s| t | �dkr&djt| dd� �d�V dj| d d�V t | �dkrxt| d d d d �D ] }djt| d |f�d�V qXdS ) z� Yields Python versions in descending order. After the latest version, the major-only version will be yielded, and then all previous versions of that major version. r z py{version}NrS rr z py{major}r )�majorrq )rT r- ra rx )rW �minorr! r! r" �_py_interpreter_range s r� )rQ r rB r c c sx | st jdd� } t|p t� �}t| �D ] }|D ]}t|d|�V q0q(|rXt|dd�V t| �D ]}t|dd�V q`dS )z� Yields the sequence of tags that are compatible with a specific version of Python. The tags consist of: - py*-none-<platform> - <interpreter>-none-any # ... if `interpreter` is provided. - py*-none-any NrS rj �any)rc rs rt rw r� r )rQ r rB r^ rC r! r! r" �compatible_tags s r� )�arch�is_32bitr c C s |s| S | � d�rdS dS )N�ppc�i386)� startswith)r� r� r! r! r" � _mac_arch/ s r� )r^ �cpu_archr c C s� |g}|dkr*| dk rg S |� g d�� nn|dkrN| dk r>g S |� g d�� nJ|dkrv| dksf| dk rjg S |�d� n"|d kr�| d kr�g S |� d d g� |d v r�|�d� |dv r�|�d� |S )N�x86_64)� r\ )�intel�fat64�fat32r� )r� r� �fat�ppc64)r� � r� r� )r� � r� r� > r� Zarm64� universal2> r� r� r� r� r� � universal)�extendre )r^ r� �formatsr! r! r" �_mac_binary_formats9 s, r� )r^ r� r c c s� t �� \}}}| du r:tdttt|�d�dd� ���} n| } |du rPt|�}n|}d| kr�| dk r�t| d dd�D ]2}d |f}t ||�}|D ]}d j d ||d �V q�qt| dkr�t| d d d�D ]2} | d f}t ||�}|D ]}d j | d |d �V q�q�| dk�r�|d k�rVtddd�D ]>}d |f}t ||�}|D ] }d j |d |d |d �V �q.�qn:tddd�D ],}d |f}d}d j |d |d |d �V �qbdS )aD Yields the platform tags for a macOS system. The `version` parameter is a two-item tuple specifying the macOS version to generate platform tags for. The `arch` parameter is the CPU architecture to generate platform tags for. Both parameters default to the appropriate value for the current system. N� MacVersionr; rS )r� r )� r r rq r� z&macosx_{major}_{minor}_{binary_format})r� r� � binary_formatr r� � rR r� ) r Zmac_verr rU �mapr9 r= r� rx r� r- ) r^ r� Z version_strrN r� ry Zcompat_versionZbinary_formatsr� � major_versionr! r! r" � mac_platformsY sT $ � � ��r� )r� r c c sf t t�� �}| r*|dkr d}n |dkr*d}|�dd�\}}t�||�E d H t�|�E d H |V d S )NZ linux_x86_64Z linux_i686Z linux_aarch64Z linux_armv7lrN r )rP rG � get_platformr= r Z platform_tagsr )r� ZlinuxrN r� r! r! r" �_linux_platforms� s r� c c s t t�� �V d S r )rP rG r� r! r! r! r" �_generic_platforms� s r� c C s. t �� dkrt� S t �� dkr$t� S t� S dS )z; Provides the platform tags for this installation. ZDarwinZLinuxN)r �systemr� r� r� r! r! r! r" rw � s rw c C s t jj} t�| �p| S )z6 Returns the name of the running interpreter. )rc �implementationrE r �get)rE r! r! r" r| � s r| )rF r c C s0 t d| d�}|rt|�}nttjdd� �}|S )z9 Returns the version of the running interpreter. Zpy_version_nodotrh NrS )rL r5 ra rc rs )rF r^ r! r! r" r} � s r} )r^ r c C s d� tt| ��S )NrX )r~ r� r5 rr r! r! r" ra � s ra c c s< t � }|dkr t| d�E dH n t� E dH t� E dH dS )z� Returns the sequence of tag triples for the running interpreter. The order of the sequence corresponds to priority order for the interpreter, from most to least important. r rh N)r| rz r� r� )rF r r! r! r" �sys_tags� s r� )F)F)NNN)NNN)NNN)NN)5Zloggingr rc rG �importlib.machineryr �typingr r r r r r r r r r rX r r Z getLoggerr0 rI r9 Z PythonVersionr� r r5 �__annotations__�maxsizeZ_32_BIT_INTERPRETERr rD r8 rL rP rV rg rz r{ r� r� r� r� r� r� r� r� rw r| r} ra r� r! r! r! r" �<module> s� 0 � 6 % �� � 9 �� � � � ! � � H _vendor/packaging/__pycache__/utils.cpython-39.opt-1.pyc 0000644 00000006767 15114542003 0017077 0 ustar 00 a [��fh � @ s� d dl Z d dlmZmZmZmZmZ ddlmZm Z ddl m Z m Z eed ee ef f Zede�ZG dd � d e�ZG d d � d e�Ze �d �Ze �d �Zeed�dd�Zee ef ed�dd�Zeeee eee f d�dd�Zeeee f d�dd�ZdS )� N)� FrozenSet�NewType�Tuple�Union�cast� )�Tag� parse_tag)�InvalidVersion�Version� �NormalizedNamec @ s e Zd ZdZdS )�InvalidWheelFilenamezM An invalid wheel filename was found, users should refer to PEP 427. N��__name__� __module__� __qualname__�__doc__r r r �?/usr/lib/python3.9/site-packages/pip/_vendor/packaging/utils.pyr s r c @ s e Zd ZdZdS )�InvalidSdistFilenamez^ An invalid sdist filename was found, users should refer to the packaging user guide. 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(?: (?:(?P<epoch>[0-9]+)!)? # epoch (?P<release>[0-9]+(?:\.[0-9]+)*) # release segment (?P<pre> # pre-release [-_\.]? (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview)) [-_\.]? (?P<pre_n>[0-9]+)? )? (?P<post> # post release (?:-(?P<post_n1>[0-9]+)) | (?: [-_\.]? (?P<post_l>post|rev|r) [-_\.]? (?P<post_n2>[0-9]+)? ) )? (?P<dev> # dev release [-_\.]? (?P<dev_l>dev) [-_\.]? (?P<dev_n>[0-9]+)? )? ) (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version c @ sp e Zd Ze�de d ejejB �Ze dd�dd�Z e d�dd �Z e d�d d �Z e ed�d d ��Ze eedf d�dd��Ze eee ef d�dd��Ze ee d�dd��Ze ee d�dd��Ze ee d�dd��Ze e d�dd��Ze e d�dd ��Ze ed�d d ��Ze ed�d d ��Ze ed�d!d"��Z e ed�d#d$��Z e ed�d%d&��Z e ed�d'd(��Z dS ))r z^\s*z\s*$Nr c C s� | j �|�}|s td|� d���t|�d�r:t|�d��ndtdd� |�d��d�D ��t|�d �|�d ��t|�d �|�d �p�|�d ��t|�d�|�d��t |�d��d�| _ t | j j | j j | j j| j j| j j| j j�| _d S )NzInvalid version: '�'r r c s s | ]}t |�V qd S r& )r9 ��.0�ir r r � <genexpr> � z#Version.__init__.<locals>.<genexpr>r rR Zpre_lZpre_nZpost_lZpost_n1Zpost_n2Zdev_lZdev_nr )r r r r r r )�_regex�searchr r �groupr9 rb rX �_parse_letter_version�_parse_local_versionr= �_cmpkeyr r r r r r r$ )r) r �matchr r r r? s* � � �zVersion.__init__r% c C s d| � d�S )Nz <Version('rB r r( r r r rC s zVersion.__repr__c C s� g }| j dkr |�| j � d�� |�d�dd� | jD ��� | jd urb|�d�dd� | jD ��� | jd ur~|�d| j� �� | jd ur�|�d | j� �� | jd ur�|�d | j� �� d�|�S ) Nr �!rR c s s | ]}t |�V qd S r& �r< �rf �xr r r rh ( ri z"Version.__str__.<locals>.<genexpr>� c s s | ]}t |�V qd S r& rr rs r r r rh , ri z.postz.dev�+)r ra �joinr r r r r �r) rc r r r rA s zVersion.__str__c C s | j j}|S r& )r= r )r) �_epochr r r r < s z Version.epoch.c C s | j j}|S r& )r= r )r) �_releaser r r r A s zVersion.releasec C s | j j}|S r& )r= r )r) �_prer r r r F s z Version.prec C s | j jr| j jd S d S �Nr )r= r r( r r r r K s z Version.postc C s | j jr| j jd S d S r| )r= r r( r r r r O s z Version.devc C s( | j jr d�dd� | j jD ��S d S d S )NrR c s s | ]}t |�V qd S r& rr rs r r r rh V ri z Version.local.<locals>.<genexpr>)r= r rw r( r r r r S s z Version.localc C s t | ��dd�d S )Nrv r r )r< rX r( r r r rD Z s zVersion.publicc C sF g }| j dkr |�| j � d�� |�d�dd� | jD ��� d�|�S )Nr rq rR c s s | ]}t |�V qd S r& rr rs r r r rh g ri z'Version.base_version.<locals>.<genexpr>ru )r ra rw r rx r r r rE ^ s zVersion.base_versionc C s | j d up| jd uS r& )r r r( r r r rH k s zVersion.is_prereleasec C s | j d uS r& )r r( r r r rI o s zVersion.is_postreleasec C s | j d uS r& )r r( r r r rJ s s zVersion.is_devreleasec C s t | j�dkr| jd S dS )Nr r ��lenr r( r r r �majorw s z Version.majorc C s t | j�dkr| jd S dS )N� r r r} r( r r r �minor{ s z Version.minorc C s t | j�dkr| jd S dS )N� r� r r} r( r r r �micro s z Version.micro) r r r! �re�compiler �VERBOSE� IGNORECASErj r< r? rC rA rK r9 r r r r r r r r rD rE r: rH rI rJ r r� r� r r r r r � s@ r )�letter�numberr c C sv | rZ|d u rd}| � � } | dkr&d} n(| dkr4d} n| dv rBd} n | dv rNd } | t|�fS | sr|rrd } | t|�fS d S ) Nr Zalpha�aZbeta�b)rL r rN rP )Zrev�rr )r^ r9 )r� r� r r r rm � s" rm z[\._-])r r c C s$ | dur t dd� t�| �D ��S dS )zR Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). Nc s s& | ] }|� � s|�� nt|�V qd S r& )�isdigitr^ r9 )rf r\ r r r rh � s �z'_parse_local_version.<locals>.<genexpr>)rb �_local_version_separatorsrX )r r r r rn � s �rn )r r r r r r r c C s� t ttt�dd� t|�����}|d u r>|d u r>|d ur>t}n|d u rLt}n|}|d u r^t}n|}|d u rpt} n|} |d u r�t} nt dd� |D ��} | |||| | fS )Nc S s | dkS )Nr r )rt r r r �<lambda>� ri z_cmpkey.<locals>.<lambda>c s s( | ] }t |t�r|d fnt|fV qdS )ru N)r- r9 r re r r r rh � s z_cmpkey.<locals>.<genexpr>)rb �reversed�list� itertools� dropwhiler r ) r r r r r r rz r{ Z_postZ_dev�_localr r r ro � s( � �ro )0� collectionsr� r� �warnings�typingr r r r r r r Z _structuresr r r r �__all__Z InfiniteTypesr< r9 ZPrePostDevTypeZ SubLocalTypeZ LocalTyper6 r7 r: ZVersionComparisonMethod� namedtupler r � ValueErrorr r# r r� r� rW rY r] r> r r �bytesrm r� rn ro r r r r �<module> s| $ ������ ��� .9� � $ � _vendor/packaging/__pycache__/version.cpython-39.pyc 0000644 00000031257 15114542003 0016455 0 ustar 00 a [��f�8 � @ sP d dl Z d dlZd dlZd dlZd dlmZmZmZmZm Z m Z m Z ddl m Z mZmZmZ g d�Ze eef Ze ee eef f Ze eeef Ze ee e ee eef e eef f df f Ze ee edf eeeef Ze ee edf f Zee eef e eef gef Ze � dg d��Z ee d d �d d �Z G d d� de �Z G dd� d�Z!G dd� de!�Z"e�#dej$�Z%dddddd�Z&eee d�dd�Z'eed �dd �Z(d Z)G d d � d e!�Z*ee ee+e f ee eef d �d!d"�Z,e�#d#�Z-eee d$�d%d&�Z.ee edf ee eef ee eef ee eef ee e ed'�d(d)�Z/dS )*� N)�Callable�Iterator�List�Optional� SupportsInt�Tuple�Union� )�Infinity� InfinityType�NegativeInfinity�NegativeInfinityType)�parse�Version� LegacyVersion�InvalidVersion�VERSION_PATTERN.�_Version)�epoch�release�dev�pre�post�local)r r ��version�returnc C s* z t | �W S ty$ t| � Y S 0 dS )z� Parse the given version string and return either a :class:`Version` object or a :class:`LegacyVersion` object depending on if the given version is a valid PEP 440 version or a legacy version. 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(?: (?:(?P<epoch>[0-9]+)!)? # epoch (?P<release>[0-9]+(?:\.[0-9]+)*) # release segment (?P<pre> # pre-release [-_\.]? (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview)) [-_\.]? (?P<pre_n>[0-9]+)? )? (?P<post> # post release (?:-(?P<post_n1>[0-9]+)) | (?: [-_\.]? (?P<post_l>post|rev|r) [-_\.]? (?P<post_n2>[0-9]+)? ) )? (?P<dev> # dev release [-_\.]? (?P<dev_l>dev) [-_\.]? (?P<dev_n>[0-9]+)? )? ) (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version c @ sp e Zd Ze�de d ejejB �Ze dd�dd�Z e d�dd �Z e d�d d �Z e ed�d d ��Ze eedf d�dd��Ze eee ef d�dd��Ze ee d�dd��Ze ee d�dd��Ze ee d�dd��Ze e d�dd��Ze e d�dd ��Ze ed�d d ��Ze ed�d d ��Ze ed�d!d"��Z e ed�d#d$��Z e ed�d%d&��Z e ed�d'd(��Z dS ))r z^\s*z\s*$Nr c C s� | j �|�}|s td|� d���t|�d�r:t|�d��ndtdd� |�d��d�D ��t|�d �|�d ��t|�d �|�d �p�|�d ��t|�d�|�d��t |�d��d�| _ t | j j | j j | j j| j j| j j| j j�| _d S )NzInvalid version: '�'r r c s s | ]}t |�V qd S r& )r9 ��.0�ir r r � <genexpr> � z#Version.__init__.<locals>.<genexpr>r rR Zpre_lZpre_nZpost_lZpost_n1Zpost_n2Zdev_lZdev_nr )r r r r r r )�_regex�searchr r �groupr9 rb rX �_parse_letter_version�_parse_local_versionr= �_cmpkeyr r r r r r r$ )r) r �matchr r r r? s* � � �zVersion.__init__r% c C s d| � d�S )Nz <Version('rB r r( r r r rC s zVersion.__repr__c C s� g }| j dkr |�| j � d�� |�d�dd� | jD ��� | jd urb|�d�dd� | jD ��� | jd ur~|�d| j� �� | jd ur�|�d | j� �� | jd ur�|�d | j� �� d�|�S ) Nr �!rR c s s | ]}t |�V qd S r& �r< �rf �xr r r rh ( ri z"Version.__str__.<locals>.<genexpr>� c s s | ]}t |�V qd S r& rr rs r r r rh , ri z.postz.dev�+)r ra �joinr r r r r �r) rc r r r rA s zVersion.__str__c C s | j j}|S r& )r= r )r) �_epochr r r r < s z Version.epoch.c C s | j j}|S r& )r= r )r) �_releaser r r r A s zVersion.releasec C s | j j}|S r& )r= r )r) �_prer r r r F s z Version.prec C s | j jr| j jd S d S �Nr )r= r r( r r r r K s z Version.postc C s | j jr| j jd S d S r| )r= r r( r r r r O s z Version.devc C s( | j jr d�dd� | j jD ��S d S d S )NrR c s s | ]}t |�V qd S r& rr rs r r r rh V ri z Version.local.<locals>.<genexpr>)r= r rw r( r r r r S s z Version.localc C s t | ��dd�d S )Nrv r r )r< rX r( r r r rD Z s zVersion.publicc C sF g }| j dkr |�| j � d�� |�d�dd� | jD ��� d�|�S )Nr rq rR c s s | ]}t |�V qd S r& rr rs r r r rh g ri z'Version.base_version.<locals>.<genexpr>ru )r ra rw r rx r r r rE ^ s zVersion.base_versionc C s | j d up| jd uS r& )r r r( r r r rH k s zVersion.is_prereleasec C s | j d uS r& )r r( r r r rI o s zVersion.is_postreleasec C s | j d uS r& )r r( r r r rJ s s zVersion.is_devreleasec C s t | j�dkr| jd S dS )Nr r ��lenr r( r r r �majorw s z Version.majorc C s t | j�dkr| jd S dS )N� r r r} r( r r r �minor{ s z Version.minorc C s t | j�dkr| jd S dS )N� r� r r} r( r r r �micro s z Version.micro) r r r! �re�compiler �VERBOSE� IGNORECASErj r< r? rC rA rK r9 r r r r r r r r rD rE r: rH rI rJ r r� r� r r r r r � s@ r )�letter�numberr c C sv | rZ|d u rd}| � � } | dkr&d} n(| dkr4d} n| dv rBd} n | dv rNd } | t|�fS | sr|rrd } | t|�fS d S ) Nr Zalpha�aZbeta�b)rL r rN rP )Zrev�rr )r^ r9 )r� r� r r r rm � s" rm z[\._-])r r c C s$ | dur t dd� t�| �D ��S dS )zR Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). Nc s s& | ] }|� � s|�� nt|�V qd S r& )�isdigitr^ r9 )rf r\ r r r rh � s �z'_parse_local_version.<locals>.<genexpr>)rb �_local_version_separatorsrX )r r r r rn � s �rn )r r r r r r r c C s� t ttt�dd� t|�����}|d u r>|d u r>|d ur>t}n|d u rLt}n|}|d u r^t}n|}|d u rpt} n|} |d u r�t} nt dd� |D ��} | |||| | fS )Nc S s | dkS )Nr r )rt r r r �<lambda>� ri z_cmpkey.<locals>.<lambda>c s s( | ] }t |t�r|d fnt|fV qdS )ru N)r- r9 r re r r r rh � s z_cmpkey.<locals>.<genexpr>)rb �reversed�list� itertools� dropwhiler r ) r r r r r r rz r{ Z_postZ_dev�_localr r r ro � s( � �ro )0� collectionsr� r� �warnings�typingr r r r r r r Z _structuresr r r r �__all__Z InfiniteTypesr< r9 ZPrePostDevTypeZ SubLocalTypeZ LocalTyper6 r7 r: ZVersionComparisonMethod� namedtupler r � ValueErrorr r# r r� r� rW rY r] r> r r �bytesrm r� rn ro r r r r �<module> s| $ ������ ��� .9� � $ � _vendor/packaging/__about__.py 0000644 00000001225 15114542003 0012377 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. __all__ = [ "__title__", "__summary__", "__uri__", "__version__", "__author__", "__email__", "__license__", "__copyright__", ] __title__ = "packaging" __summary__ = "Core utilities for Python packages" __uri__ = "https://github.com/pypa/packaging" __version__ = "21.0" __author__ = "Donald Stufft and individual contributors" __email__ = "donald@stufft.io" __license__ = "BSD-2-Clause or Apache-2.0" __copyright__ = "2014-2019 %s" % __author__ _vendor/packaging/__init__.py 0000644 00000000761 15114542003 0012234 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. from .__about__ import ( __author__, __copyright__, __email__, __license__, __summary__, __title__, __uri__, __version__, ) __all__ = [ "__title__", "__summary__", "__uri__", "__version__", "__author__", "__email__", "__license__", "__copyright__", ] _vendor/packaging/_manylinux.py 0000644 00000026340 15114542003 0012661 0 ustar 00 import collections import functools import os import re import struct import sys import warnings from typing import IO, Dict, Iterator, NamedTuple, Optional, Tuple # Python does not provide platform information at sufficient granularity to # identify the architecture of the running executable in some cases, so we # determine it dynamically by reading the information from the running # process. This only applies on Linux, which uses the ELF format. class _ELFFileHeader: # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header class _InvalidELFFileHeader(ValueError): """ An invalid ELF file header was found. """ ELF_MAGIC_NUMBER = 0x7F454C46 ELFCLASS32 = 1 ELFCLASS64 = 2 ELFDATA2LSB = 1 ELFDATA2MSB = 2 EM_386 = 3 EM_S390 = 22 EM_ARM = 40 EM_X86_64 = 62 EF_ARM_ABIMASK = 0xFF000000 EF_ARM_ABI_VER5 = 0x05000000 EF_ARM_ABI_FLOAT_HARD = 0x00000400 def __init__(self, file: IO[bytes]) -> None: def unpack(fmt: str) -> int: try: data = file.read(struct.calcsize(fmt)) result: Tuple[int, ...] = struct.unpack(fmt, data) except struct.error: raise _ELFFileHeader._InvalidELFFileHeader() return result[0] self.e_ident_magic = unpack(">I") if self.e_ident_magic != self.ELF_MAGIC_NUMBER: raise _ELFFileHeader._InvalidELFFileHeader() self.e_ident_class = unpack("B") if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}: raise _ELFFileHeader._InvalidELFFileHeader() self.e_ident_data = unpack("B") if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}: raise _ELFFileHeader._InvalidELFFileHeader() self.e_ident_version = unpack("B") self.e_ident_osabi = unpack("B") self.e_ident_abiversion = unpack("B") self.e_ident_pad = file.read(7) format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H" format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I" format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q" format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q self.e_type = unpack(format_h) self.e_machine = unpack(format_h) self.e_version = unpack(format_i) self.e_entry = unpack(format_p) self.e_phoff = unpack(format_p) self.e_shoff = unpack(format_p) self.e_flags = unpack(format_i) self.e_ehsize = unpack(format_h) self.e_phentsize = unpack(format_h) self.e_phnum = unpack(format_h) self.e_shentsize = unpack(format_h) self.e_shnum = unpack(format_h) self.e_shstrndx = unpack(format_h) def _get_elf_header() -> Optional[_ELFFileHeader]: try: with open(sys.executable, "rb") as f: elf_header = _ELFFileHeader(f) except (OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader): return None return elf_header def _is_linux_armhf() -> bool: # hard-float ABI can be detected from the ELF header of the running # process # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf elf_header = _get_elf_header() if elf_header is None: return False result = elf_header.e_ident_class == elf_header.ELFCLASS32 result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB result &= elf_header.e_machine == elf_header.EM_ARM result &= ( elf_header.e_flags & elf_header.EF_ARM_ABIMASK ) == elf_header.EF_ARM_ABI_VER5 result &= ( elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD ) == elf_header.EF_ARM_ABI_FLOAT_HARD return result def _is_linux_i686() -> bool: elf_header = _get_elf_header() if elf_header is None: return False result = elf_header.e_ident_class == elf_header.ELFCLASS32 result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB result &= elf_header.e_machine == elf_header.EM_386 return result def _have_compatible_abi(arch: str) -> bool: if arch == "armv7l": return _is_linux_armhf() if arch == "i686": return _is_linux_i686() return arch in {"x86_64", "aarch64", "ppc64", "ppc64le", "s390x"} # If glibc ever changes its major version, we need to know what the last # minor version was, so we can build the complete list of all versions. # For now, guess what the highest minor version might be, assume it will # be 50 for testing. Once this actually happens, update the dictionary # with the actual value. _LAST_GLIBC_MINOR: Dict[int, int] = collections.defaultdict(lambda: 50) class _GLibCVersion(NamedTuple): major: int minor: int def _glibc_version_string_confstr() -> Optional[str]: """ Primary implementation of glibc_version_string using os.confstr. """ # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely # to be broken or missing. This strategy is used in the standard library # platform module. # https://github.com/python/cpython/blob/fcf1d003bf4f0100c/Lib/platform.py#L175-L183 try: # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17". version_string = os.confstr("CS_GNU_LIBC_VERSION") assert version_string is not None _, version = version_string.split() except (AssertionError, AttributeError, OSError, ValueError): # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... return None return version def _glibc_version_string_ctypes() -> Optional[str]: """ Fallback implementation of glibc_version_string using ctypes. """ try: import ctypes except ImportError: return None # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen # manpage says, "If filename is NULL, then the returned handle is for the # main program". This way we can let the linker do the work to figure out # which libc our process is actually using. # # We must also handle the special case where the executable is not a # dynamically linked executable. This can occur when using musl libc, # for example. In this situation, dlopen() will error, leading to an # OSError. Interestingly, at least in the case of musl, there is no # errno set on the OSError. The single string argument used to construct # OSError comes from libc itself and is therefore not portable to # hard code here. In any case, failure to call dlopen() means we # can proceed, so we bail on our attempt. try: process_namespace = ctypes.CDLL(None) except OSError: return None try: gnu_get_libc_version = process_namespace.gnu_get_libc_version except AttributeError: # Symbol doesn't exist -> therefore, we are not linked to # glibc. return None # Call gnu_get_libc_version, which returns a string like "2.5" gnu_get_libc_version.restype = ctypes.c_char_p version_str: str = gnu_get_libc_version() # py2 / py3 compatibility: if not isinstance(version_str, str): version_str = version_str.decode("ascii") return version_str def _glibc_version_string() -> Optional[str]: """Returns glibc version string, or None if not using glibc.""" return _glibc_version_string_confstr() or _glibc_version_string_ctypes() def _parse_glibc_version(version_str: str) -> Tuple[int, int]: """Parse glibc version. We use a regexp instead of str.split because we want to discard any random junk that might come after the minor version -- this might happen in patched/forked versions of glibc (e.g. Linaro's version of glibc uses version strings like "2.20-2014.11"). See gh-3588. """ m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str) if not m: warnings.warn( "Expected glibc version with 2 components major.minor," " got: %s" % version_str, RuntimeWarning, ) return -1, -1 return int(m.group("major")), int(m.group("minor")) @functools.lru_cache() def _get_glibc_version() -> Tuple[int, int]: version_str = _glibc_version_string() if version_str is None: return (-1, -1) return _parse_glibc_version(version_str) # From PEP 513, PEP 600 def _is_compatible(name: str, arch: str, version: _GLibCVersion) -> bool: sys_glibc = _get_glibc_version() if sys_glibc < version: return False # Check for presence of _manylinux module. try: import _manylinux # noqa except ImportError: return True if hasattr(_manylinux, "manylinux_compatible"): result = _manylinux.manylinux_compatible(version[0], version[1], arch) if result is not None: return bool(result) return True if version == _GLibCVersion(2, 5): if hasattr(_manylinux, "manylinux1_compatible"): return bool(_manylinux.manylinux1_compatible) if version == _GLibCVersion(2, 12): if hasattr(_manylinux, "manylinux2010_compatible"): return bool(_manylinux.manylinux2010_compatible) if version == _GLibCVersion(2, 17): if hasattr(_manylinux, "manylinux2014_compatible"): return bool(_manylinux.manylinux2014_compatible) return True _LEGACY_MANYLINUX_MAP = { # CentOS 7 w/ glibc 2.17 (PEP 599) (2, 17): "manylinux2014", # CentOS 6 w/ glibc 2.12 (PEP 571) (2, 12): "manylinux2010", # CentOS 5 w/ glibc 2.5 (PEP 513) (2, 5): "manylinux1", } def platform_tags(linux: str, arch: str) -> Iterator[str]: if not _have_compatible_abi(arch): return # Oldest glibc to be supported regardless of architecture is (2, 17). too_old_glibc2 = _GLibCVersion(2, 16) if arch in {"x86_64", "i686"}: # On x86/i686 also oldest glibc to be supported is (2, 5). too_old_glibc2 = _GLibCVersion(2, 4) current_glibc = _GLibCVersion(*_get_glibc_version()) glibc_max_list = [current_glibc] # We can assume compatibility across glibc major versions. # https://sourceware.org/bugzilla/show_bug.cgi?id=24636 # # Build a list of maximum glibc versions so that we can # output the canonical list of all glibc from current_glibc # down to too_old_glibc2, including all intermediary versions. for glibc_major in range(current_glibc.major - 1, 1, -1): glibc_minor = _LAST_GLIBC_MINOR[glibc_major] glibc_max_list.append(_GLibCVersion(glibc_major, glibc_minor)) for glibc_max in glibc_max_list: if glibc_max.major == too_old_glibc2.major: min_minor = too_old_glibc2.minor else: # For other glibc major versions oldest supported is (x, 0). min_minor = -1 for glibc_minor in range(glibc_max.minor, min_minor, -1): glibc_version = _GLibCVersion(glibc_max.major, glibc_minor) tag = "manylinux_{}_{}".format(*glibc_version) if _is_compatible(tag, arch, glibc_version): yield linux.replace("linux", tag) # Handle the legacy manylinux1, manylinux2010, manylinux2014 tags. if glibc_version in _LEGACY_MANYLINUX_MAP: legacy_tag = _LEGACY_MANYLINUX_MAP[glibc_version] if _is_compatible(legacy_tag, arch, glibc_version): yield linux.replace("linux", legacy_tag) _vendor/packaging/_musllinux.py 0000644 00000010432 15114542003 0012670 0 ustar 00 """PEP 656 support. This module implements logic to detect if the currently running Python is linked against musl, and what musl version is used. """ import contextlib import functools import operator import os import re import struct import subprocess import sys from typing import IO, Iterator, NamedTuple, Optional, Tuple def _read_unpacked(f: IO[bytes], fmt: str) -> Tuple[int, ...]: return struct.unpack(fmt, f.read(struct.calcsize(fmt))) def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]: """Detect musl libc location by parsing the Python executable. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html """ f.seek(0) try: ident = _read_unpacked(f, "16B") except struct.error: return None if ident[:4] != tuple(b"\x7fELF"): # Invalid magic, not ELF. return None f.seek(struct.calcsize("HHI"), 1) # Skip file type, machine, and version. try: # e_fmt: Format for program header. # p_fmt: Format for section header. # p_idx: Indexes to find p_type, p_offset, and p_filesz. e_fmt, p_fmt, p_idx = { 1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)), # 32-bit. 2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)), # 64-bit. }[ident[4]] except KeyError: return None else: p_get = operator.itemgetter(*p_idx) # Find the interpreter section and return its content. try: _, e_phoff, _, _, _, e_phentsize, e_phnum = _read_unpacked(f, e_fmt) except struct.error: return None for i in range(e_phnum + 1): f.seek(e_phoff + e_phentsize * i) try: p_type, p_offset, p_filesz = p_get(_read_unpacked(f, p_fmt)) except struct.error: return None if p_type != 3: # Not PT_INTERP. continue f.seek(p_offset) interpreter = os.fsdecode(f.read(p_filesz)).strip("\0") if "musl" not in interpreter: return None return interpreter return None class _MuslVersion(NamedTuple): major: int minor: int def _parse_musl_version(output: str) -> Optional[_MuslVersion]: lines = [n for n in (n.strip() for n in output.splitlines()) if n] if len(lines) < 2 or lines[0][:4] != "musl": return None m = re.match(r"Version (\d+)\.(\d+)", lines[1]) if not m: return None return _MuslVersion(major=int(m.group(1)), minor=int(m.group(2))) @functools.lru_cache() def _get_musl_version(executable: str) -> Optional[_MuslVersion]: """Detect currently-running musl runtime version. This is done by checking the specified executable's dynamic linking information, and invoking the loader to parse its output for a version string. If the loader is musl, the output would be something like:: musl libc (x86_64) Version 1.2.2 Dynamic Program Loader """ with contextlib.ExitStack() as stack: try: f = stack.enter_context(open(executable, "rb")) except IOError: return None ld = _parse_ld_musl_from_elf(f) if not ld: return None proc = subprocess.run([ld], stderr=subprocess.PIPE, universal_newlines=True) return _parse_musl_version(proc.stderr) def platform_tags(arch: str) -> Iterator[str]: """Generate musllinux tags compatible to the current platform. :param arch: Should be the part of platform tag after the ``linux_`` prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a prerequisite for the current platform to be musllinux-compatible. :returns: An iterator of compatible musllinux tags. """ sys_musl = _get_musl_version(sys.executable) if sys_musl is None: # Python not dynamically linked against musl. return for minor in range(sys_musl.minor, -1, -1): yield f"musllinux_{sys_musl.major}_{minor}_{arch}" if __name__ == "__main__": # pragma: no cover import sysconfig plat = sysconfig.get_platform() assert plat.startswith("linux-"), "not linux" print("plat:", plat) print("musl:", _get_musl_version(sys.executable)) print("tags:", end=" ") for t in platform_tags(re.sub(r"[.-]", "_", plat.split("-", 1)[-1])): print(t, end="\n ") _vendor/packaging/_structures.py 0000644 00000003135 15114542003 0013055 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. class InfinityType: def __repr__(self) -> str: return "Infinity" def __hash__(self) -> int: return hash(repr(self)) def __lt__(self, other: object) -> bool: return False def __le__(self, other: object) -> bool: return False def __eq__(self, other: object) -> bool: return isinstance(other, self.__class__) def __ne__(self, other: object) -> bool: return not isinstance(other, self.__class__) def __gt__(self, other: object) -> bool: return True def __ge__(self, other: object) -> bool: return True def __neg__(self: object) -> "NegativeInfinityType": return NegativeInfinity Infinity = InfinityType() class NegativeInfinityType: def __repr__(self) -> str: return "-Infinity" def __hash__(self) -> int: return hash(repr(self)) def __lt__(self, other: object) -> bool: return True def __le__(self, other: object) -> bool: return True def __eq__(self, other: object) -> bool: return isinstance(other, self.__class__) def __ne__(self, other: object) -> bool: return not isinstance(other, self.__class__) def __gt__(self, other: object) -> bool: return False def __ge__(self, other: object) -> bool: return False def __neg__(self: object) -> InfinityType: return Infinity NegativeInfinity = NegativeInfinityType() _vendor/packaging/markers.py 0000644 00000020447 15114542003 0012144 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import operator import os import platform import sys from typing import Any, Callable, Dict, List, Optional, Tuple, Union from pip._vendor.pyparsing import ( # noqa: N817 Forward, Group, Literal as L, ParseException, ParseResults, QuotedString, ZeroOrMore, stringEnd, stringStart, ) from .specifiers import InvalidSpecifier, Specifier __all__ = [ "InvalidMarker", "UndefinedComparison", "UndefinedEnvironmentName", "Marker", "default_environment", ] Operator = Callable[[str, str], bool] class InvalidMarker(ValueError): """ An invalid marker was found, users should refer to PEP 508. """ class UndefinedComparison(ValueError): """ An invalid operation was attempted on a value that doesn't support it. """ class UndefinedEnvironmentName(ValueError): """ A name was attempted to be used that does not exist inside of the environment. """ class Node: def __init__(self, value: Any) -> None: self.value = value def __str__(self) -> str: return str(self.value) def __repr__(self) -> str: return f"<{self.__class__.__name__}('{self}')>" def serialize(self) -> str: raise NotImplementedError class Variable(Node): def serialize(self) -> str: return str(self) class Value(Node): def serialize(self) -> str: return f'"{self}"' class Op(Node): def serialize(self) -> str: return str(self) VARIABLE = ( L("implementation_version") | L("platform_python_implementation") | L("implementation_name") | L("python_full_version") | L("platform_release") | L("platform_version") | L("platform_machine") | L("platform_system") | L("python_version") | L("sys_platform") | L("os_name") | L("os.name") # PEP-345 | L("sys.platform") # PEP-345 | L("platform.version") # PEP-345 | L("platform.machine") # PEP-345 | L("platform.python_implementation") # PEP-345 | L("python_implementation") # undocumented setuptools legacy | L("extra") # PEP-508 ) ALIASES = { "os.name": "os_name", "sys.platform": "sys_platform", "platform.version": "platform_version", "platform.machine": "platform_machine", "platform.python_implementation": "platform_python_implementation", "python_implementation": "platform_python_implementation", } VARIABLE.setParseAction(lambda s, l, t: Variable(ALIASES.get(t[0], t[0]))) VERSION_CMP = ( L("===") | L("==") | L(">=") | L("<=") | L("!=") | L("~=") | L(">") | L("<") ) MARKER_OP = VERSION_CMP | L("not in") | L("in") MARKER_OP.setParseAction(lambda s, l, t: Op(t[0])) MARKER_VALUE = QuotedString("'") | QuotedString('"') MARKER_VALUE.setParseAction(lambda s, l, t: Value(t[0])) BOOLOP = L("and") | L("or") MARKER_VAR = VARIABLE | MARKER_VALUE MARKER_ITEM = Group(MARKER_VAR + MARKER_OP + MARKER_VAR) MARKER_ITEM.setParseAction(lambda s, l, t: tuple(t[0])) LPAREN = L("(").suppress() RPAREN = L(")").suppress() MARKER_EXPR = Forward() MARKER_ATOM = MARKER_ITEM | Group(LPAREN + MARKER_EXPR + RPAREN) MARKER_EXPR << MARKER_ATOM + ZeroOrMore(BOOLOP + MARKER_EXPR) MARKER = stringStart + MARKER_EXPR + stringEnd def _coerce_parse_result(results: Union[ParseResults, List[Any]]) -> List[Any]: if isinstance(results, ParseResults): return [_coerce_parse_result(i) for i in results] else: return results def _format_marker( marker: Union[List[str], Tuple[Node, ...], str], first: Optional[bool] = True ) -> str: assert isinstance(marker, (list, tuple, str)) # Sometimes we have a structure like [[...]] which is a single item list # where the single item is itself it's own list. In that case we want skip # the rest of this function so that we don't get extraneous () on the # outside. if ( isinstance(marker, list) and len(marker) == 1 and isinstance(marker[0], (list, tuple)) ): return _format_marker(marker[0]) if isinstance(marker, list): inner = (_format_marker(m, first=False) for m in marker) if first: return " ".join(inner) else: return "(" + " ".join(inner) + ")" elif isinstance(marker, tuple): return " ".join([m.serialize() for m in marker]) else: return marker _operators: Dict[str, Operator] = { "in": lambda lhs, rhs: lhs in rhs, "not in": lambda lhs, rhs: lhs not in rhs, "<": operator.lt, "<=": operator.le, "==": operator.eq, "!=": operator.ne, ">=": operator.ge, ">": operator.gt, } def _eval_op(lhs: str, op: Op, rhs: str) -> bool: try: spec = Specifier("".join([op.serialize(), rhs])) except InvalidSpecifier: pass else: return spec.contains(lhs) oper: Optional[Operator] = _operators.get(op.serialize()) if oper is None: raise UndefinedComparison(f"Undefined {op!r} on {lhs!r} and {rhs!r}.") return oper(lhs, rhs) class Undefined: pass _undefined = Undefined() def _get_env(environment: Dict[str, str], name: str) -> str: value: Union[str, Undefined] = environment.get(name, _undefined) if isinstance(value, Undefined): raise UndefinedEnvironmentName( f"{name!r} does not exist in evaluation environment." ) return value def _evaluate_markers(markers: List[Any], environment: Dict[str, str]) -> bool: groups: List[List[bool]] = [[]] for marker in markers: assert isinstance(marker, (list, tuple, str)) if isinstance(marker, list): groups[-1].append(_evaluate_markers(marker, environment)) elif isinstance(marker, tuple): lhs, op, rhs = marker if isinstance(lhs, Variable): lhs_value = _get_env(environment, lhs.value) rhs_value = rhs.value else: lhs_value = lhs.value rhs_value = _get_env(environment, rhs.value) groups[-1].append(_eval_op(lhs_value, op, rhs_value)) else: assert marker in ["and", "or"] if marker == "or": groups.append([]) return any(all(item) for item in groups) def format_full_version(info: "sys._version_info") -> str: version = "{0.major}.{0.minor}.{0.micro}".format(info) kind = info.releaselevel if kind != "final": version += kind[0] + str(info.serial) return version def default_environment() -> Dict[str, str]: iver = format_full_version(sys.implementation.version) implementation_name = sys.implementation.name return { "implementation_name": implementation_name, "implementation_version": iver, "os_name": os.name, "platform_machine": platform.machine(), "platform_release": platform.release(), "platform_system": platform.system(), "platform_version": platform.version(), "python_full_version": platform.python_version(), "platform_python_implementation": platform.python_implementation(), "python_version": ".".join(platform.python_version_tuple()[:2]), "sys_platform": sys.platform, } class Marker: def __init__(self, marker: str) -> None: try: self._markers = _coerce_parse_result(MARKER.parseString(marker)) except ParseException as e: raise InvalidMarker( f"Invalid marker: {marker!r}, parse error at " f"{marker[e.loc : e.loc + 8]!r}" ) def __str__(self) -> str: return _format_marker(self._markers) def __repr__(self) -> str: return f"<Marker('{self}')>" def evaluate(self, environment: Optional[Dict[str, str]] = None) -> bool: """Evaluate a marker. Return the boolean from evaluating the given marker against the environment. environment is an optional argument to override all or part of the determined environment. The environment is determined from the current Python process. """ current_environment = default_environment() if environment is not None: current_environment.update(environment) return _evaluate_markers(self._markers, current_environment) _vendor/packaging/requirements.py 0000644 00000011104 15114542003 0013211 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import re import string import urllib.parse from typing import List, Optional as TOptional, Set from pip._vendor.pyparsing import ( # noqa Combine, Literal as L, Optional, ParseException, Regex, Word, ZeroOrMore, originalTextFor, stringEnd, stringStart, ) from .markers import MARKER_EXPR, Marker from .specifiers import LegacySpecifier, Specifier, SpecifierSet class InvalidRequirement(ValueError): """ An invalid requirement was found, users should refer to PEP 508. """ ALPHANUM = Word(string.ascii_letters + string.digits) LBRACKET = L("[").suppress() RBRACKET = L("]").suppress() LPAREN = L("(").suppress() RPAREN = L(")").suppress() COMMA = L(",").suppress() SEMICOLON = L(";").suppress() AT = L("@").suppress() PUNCTUATION = Word("-_.") IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM) IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END)) NAME = IDENTIFIER("name") EXTRA = IDENTIFIER URI = Regex(r"[^ ]+")("url") URL = AT + URI EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA) EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras") VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE) VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE) VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY VERSION_MANY = Combine( VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False )("_raw_spec") _VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY) _VERSION_SPEC.setParseAction(lambda s, l, t: t._raw_spec or "") VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier") VERSION_SPEC.setParseAction(lambda s, l, t: t[1]) MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker") MARKER_EXPR.setParseAction( lambda s, l, t: Marker(s[t._original_start : t._original_end]) ) MARKER_SEPARATOR = SEMICOLON MARKER = MARKER_SEPARATOR + MARKER_EXPR VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER) URL_AND_MARKER = URL + Optional(MARKER) NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER) REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd # pyparsing isn't thread safe during initialization, so we do it eagerly, see # issue #104 REQUIREMENT.parseString("x[]") class Requirement: """Parse a requirement. Parse a given requirement string into its parts, such as name, specifier, URL, and extras. Raises InvalidRequirement on a badly-formed requirement string. """ # TODO: Can we test whether something is contained within a requirement? # If so how do we do that? Do we need to test against the _name_ of # the thing as well as the version? What about the markers? # TODO: Can we normalize the name and extra name? def __init__(self, requirement_string: str) -> None: try: req = REQUIREMENT.parseString(requirement_string) except ParseException as e: raise InvalidRequirement( f'Parse error at "{ requirement_string[e.loc : e.loc + 8]!r}": {e.msg}' ) self.name: str = req.name if req.url: parsed_url = urllib.parse.urlparse(req.url) if parsed_url.scheme == "file": if urllib.parse.urlunparse(parsed_url) != req.url: raise InvalidRequirement("Invalid URL given") elif not (parsed_url.scheme and parsed_url.netloc) or ( not parsed_url.scheme and not parsed_url.netloc ): raise InvalidRequirement(f"Invalid URL: {req.url}") self.url: TOptional[str] = req.url else: self.url = None self.extras: Set[str] = set(req.extras.asList() if req.extras else []) self.specifier: SpecifierSet = SpecifierSet(req.specifier) self.marker: TOptional[Marker] = req.marker if req.marker else None def __str__(self) -> str: parts: List[str] = [self.name] if self.extras: formatted_extras = ",".join(sorted(self.extras)) parts.append(f"[{formatted_extras}]") if self.specifier: parts.append(str(self.specifier)) if self.url: parts.append(f"@ {self.url}") if self.marker: parts.append(" ") if self.marker: parts.append(f"; {self.marker}") return "".join(parts) def __repr__(self) -> str: return f"<Requirement('{self}')>" _vendor/packaging/specifiers.py 0000644 00000074364 15114542003 0012643 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import abc import functools import itertools import re import warnings from typing import ( Callable, Dict, Iterable, Iterator, List, Optional, Pattern, Set, Tuple, TypeVar, Union, ) from .utils import canonicalize_version from .version import LegacyVersion, Version, parse ParsedVersion = Union[Version, LegacyVersion] UnparsedVersion = Union[Version, LegacyVersion, str] VersionTypeVar = TypeVar("VersionTypeVar", bound=UnparsedVersion) CallableOperator = Callable[[ParsedVersion, str], bool] class InvalidSpecifier(ValueError): """ An invalid specifier was found, users should refer to PEP 440. """ class BaseSpecifier(metaclass=abc.ABCMeta): @abc.abstractmethod def __str__(self) -> str: """ Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. """ @abc.abstractmethod def __hash__(self) -> int: """ Returns a hash value for this Specifier like object. """ @abc.abstractmethod def __eq__(self, other: object) -> bool: """ Returns a boolean representing whether or not the two Specifier like objects are equal. """ @abc.abstractmethod def __ne__(self, other: object) -> bool: """ Returns a boolean representing whether or not the two Specifier like objects are not equal. """ @abc.abstractproperty def prereleases(self) -> Optional[bool]: """ Returns whether or not pre-releases as a whole are allowed by this specifier. """ @prereleases.setter def prereleases(self, value: bool) -> None: """ Sets whether or not pre-releases as a whole are allowed by this specifier. """ @abc.abstractmethod def contains(self, item: str, prereleases: Optional[bool] = None) -> bool: """ Determines if the given item is contained within this specifier. """ @abc.abstractmethod def filter( self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None ) -> Iterable[VersionTypeVar]: """ Takes an iterable of items and filters them so that only items which are contained within this specifier are allowed in it. """ class _IndividualSpecifier(BaseSpecifier): _operators: Dict[str, str] = {} _regex: Pattern[str] def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None: match = self._regex.search(spec) if not match: raise InvalidSpecifier(f"Invalid specifier: '{spec}'") self._spec: Tuple[str, str] = ( match.group("operator").strip(), match.group("version").strip(), ) # Store whether or not this Specifier should accept prereleases self._prereleases = prereleases def __repr__(self) -> str: pre = ( f", prereleases={self.prereleases!r}" if self._prereleases is not None else "" ) return "<{}({!r}{})>".format(self.__class__.__name__, str(self), pre) def __str__(self) -> str: return "{}{}".format(*self._spec) @property def _canonical_spec(self) -> Tuple[str, str]: return self._spec[0], canonicalize_version(self._spec[1]) def __hash__(self) -> int: return hash(self._canonical_spec) def __eq__(self, other: object) -> bool: if isinstance(other, str): try: other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): return NotImplemented return self._canonical_spec == other._canonical_spec def __ne__(self, other: object) -> bool: if isinstance(other, str): try: other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): return NotImplemented return self._spec != other._spec def _get_operator(self, op: str) -> CallableOperator: operator_callable: CallableOperator = getattr( self, f"_compare_{self._operators[op]}" ) return operator_callable def _coerce_version(self, version: UnparsedVersion) -> ParsedVersion: if not isinstance(version, (LegacyVersion, Version)): version = parse(version) return version @property def operator(self) -> str: return self._spec[0] @property def version(self) -> str: return self._spec[1] @property def prereleases(self) -> Optional[bool]: return self._prereleases @prereleases.setter def prereleases(self, value: bool) -> None: self._prereleases = value def __contains__(self, item: str) -> bool: return self.contains(item) def contains( self, item: UnparsedVersion, prereleases: Optional[bool] = None ) -> bool: # Determine if prereleases are to be allowed or not. if prereleases is None: prereleases = self.prereleases # Normalize item to a Version or LegacyVersion, this allows us to have # a shortcut for ``"2.0" in Specifier(">=2") normalized_item = self._coerce_version(item) # Determine if we should be supporting prereleases in this specifier # or not, if we do not support prereleases than we can short circuit # logic if this version is a prereleases. if normalized_item.is_prerelease and not prereleases: return False # Actually do the comparison to determine if this item is contained # within this Specifier or not. operator_callable: CallableOperator = self._get_operator(self.operator) return operator_callable(normalized_item, self.version) def filter( self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None ) -> Iterable[VersionTypeVar]: yielded = False found_prereleases = [] kw = {"prereleases": prereleases if prereleases is not None else True} # Attempt to iterate over all the values in the iterable and if any of # them match, yield them. for version in iterable: parsed_version = self._coerce_version(version) if self.contains(parsed_version, **kw): # If our version is a prerelease, and we were not set to allow # prereleases, then we'll store it for later in case nothing # else matches this specifier. if parsed_version.is_prerelease and not ( prereleases or self.prereleases ): found_prereleases.append(version) # Either this is not a prerelease, or we should have been # accepting prereleases from the beginning. else: yielded = True yield version # Now that we've iterated over everything, determine if we've yielded # any values, and if we have not and we have any prereleases stored up # then we will go ahead and yield the prereleases. if not yielded and found_prereleases: for version in found_prereleases: yield version class LegacySpecifier(_IndividualSpecifier): _regex_str = r""" (?P<operator>(==|!=|<=|>=|<|>)) \s* (?P<version> [^,;\s)]* # Since this is a "legacy" specifier, and the version # string can be just about anything, we match everything # except for whitespace, a semi-colon for marker support, # a closing paren since versions can be enclosed in # them, and a comma since it's a version separator. ) """ _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) _operators = { "==": "equal", "!=": "not_equal", "<=": "less_than_equal", ">=": "greater_than_equal", "<": "less_than", ">": "greater_than", } def __init__(self, spec: str = "", prereleases: Optional[bool] = None) -> None: super().__init__(spec, prereleases) warnings.warn( "Creating a LegacyVersion has been deprecated and will be " "removed in the next major release", DeprecationWarning, ) def _coerce_version(self, version: UnparsedVersion) -> LegacyVersion: if not isinstance(version, LegacyVersion): version = LegacyVersion(str(version)) return version def _compare_equal(self, prospective: LegacyVersion, spec: str) -> bool: return prospective == self._coerce_version(spec) def _compare_not_equal(self, prospective: LegacyVersion, spec: str) -> bool: return prospective != self._coerce_version(spec) def _compare_less_than_equal(self, prospective: LegacyVersion, spec: str) -> bool: return prospective <= self._coerce_version(spec) def _compare_greater_than_equal( self, prospective: LegacyVersion, spec: str ) -> bool: return prospective >= self._coerce_version(spec) def _compare_less_than(self, prospective: LegacyVersion, spec: str) -> bool: return prospective < self._coerce_version(spec) def _compare_greater_than(self, prospective: LegacyVersion, spec: str) -> bool: return prospective > self._coerce_version(spec) def _require_version_compare( fn: Callable[["Specifier", ParsedVersion, str], bool] ) -> Callable[["Specifier", ParsedVersion, str], bool]: @functools.wraps(fn) def wrapped(self: "Specifier", prospective: ParsedVersion, spec: str) -> bool: if not isinstance(prospective, Version): return False return fn(self, prospective, spec) return wrapped class Specifier(_IndividualSpecifier): _regex_str = r""" (?P<operator>(~=|==|!=|<=|>=|<|>|===)) (?P<version> (?: # The identity operators allow for an escape hatch that will # do an exact string match of the version you wish to install. # This will not be parsed by PEP 440 and we cannot determine # any semantic meaning from it. This operator is discouraged # but included entirely as an escape hatch. (?<====) # Only match for the identity operator \s* [^\s]* # We just match everything, except for whitespace # since we are only testing for strict identity. ) | (?: # The (non)equality operators allow for wild card and local # versions to be specified so we have to define these two # operators separately to enable that. (?<===|!=) # Only match for equals and not equals \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)* # release (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? # You cannot use a wild card and a dev or local version # together so group them with a | and make them optional. (?: (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local | \.\* # Wild card syntax of .* )? ) | (?: # The compatible operator requires at least two digits in the # release segment. (?<=~=) # Only match for the compatible operator \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)+ # release (We have a + instead of a *) (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release ) | (?: # All other operators only allow a sub set of what the # (non)equality operators do. Specifically they do not allow # local versions to be specified nor do they allow the prefix # matching wild cards. (?<!==|!=|~=) # We have special cases for these # operators so we want to make sure they # don't match here. \s* v? (?:[0-9]+!)? # epoch [0-9]+(?:\.[0-9]+)* # release (?: # pre release [-_\.]? (a|b|c|rc|alpha|beta|pre|preview) [-_\.]? [0-9]* )? (?: # post release (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*) )? (?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release ) ) """ _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) _operators = { "~=": "compatible", "==": "equal", "!=": "not_equal", "<=": "less_than_equal", ">=": "greater_than_equal", "<": "less_than", ">": "greater_than", "===": "arbitrary", } @_require_version_compare def _compare_compatible(self, prospective: ParsedVersion, spec: str) -> bool: # Compatible releases have an equivalent combination of >= and ==. That # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to # implement this in terms of the other specifiers instead of # implementing it ourselves. The only thing we need to do is construct # the other specifiers. # We want everything but the last item in the version, but we want to # ignore suffix segments. prefix = ".".join( list(itertools.takewhile(_is_not_suffix, _version_split(spec)))[:-1] ) # Add the prefix notation to the end of our string prefix += ".*" return self._get_operator(">=")(prospective, spec) and self._get_operator("==")( prospective, prefix ) @_require_version_compare def _compare_equal(self, prospective: ParsedVersion, spec: str) -> bool: # We need special logic to handle prefix matching if spec.endswith(".*"): # In the case of prefix matching we want to ignore local segment. prospective = Version(prospective.public) # Split the spec out by dots, and pretend that there is an implicit # dot in between a release segment and a pre-release segment. split_spec = _version_split(spec[:-2]) # Remove the trailing .* # Split the prospective version out by dots, and pretend that there # is an implicit dot in between a release segment and a pre-release # segment. split_prospective = _version_split(str(prospective)) # Shorten the prospective version to be the same length as the spec # so that we can determine if the specifier is a prefix of the # prospective version or not. shortened_prospective = split_prospective[: len(split_spec)] # Pad out our two sides with zeros so that they both equal the same # length. padded_spec, padded_prospective = _pad_version( split_spec, shortened_prospective ) return padded_prospective == padded_spec else: # Convert our spec string into a Version spec_version = Version(spec) # If the specifier does not have a local segment, then we want to # act as if the prospective version also does not have a local # segment. if not spec_version.local: prospective = Version(prospective.public) return prospective == spec_version @_require_version_compare def _compare_not_equal(self, prospective: ParsedVersion, spec: str) -> bool: return not self._compare_equal(prospective, spec) @_require_version_compare def _compare_less_than_equal(self, prospective: ParsedVersion, spec: str) -> bool: # NB: Local version identifiers are NOT permitted in the version # specifier, so local version labels can be universally removed from # the prospective version. return Version(prospective.public) <= Version(spec) @_require_version_compare def _compare_greater_than_equal( self, prospective: ParsedVersion, spec: str ) -> bool: # NB: Local version identifiers are NOT permitted in the version # specifier, so local version labels can be universally removed from # the prospective version. return Version(prospective.public) >= Version(spec) @_require_version_compare def _compare_less_than(self, prospective: ParsedVersion, spec_str: str) -> bool: # Convert our spec to a Version instance, since we'll want to work with # it as a version. spec = Version(spec_str) # Check to see if the prospective version is less than the spec # version. If it's not we can short circuit and just return False now # instead of doing extra unneeded work. if not prospective < spec: return False # This special case is here so that, unless the specifier itself # includes is a pre-release version, that we do not accept pre-release # versions for the version mentioned in the specifier (e.g. <3.1 should # not match 3.1.dev0, but should match 3.0.dev0). if not spec.is_prerelease and prospective.is_prerelease: if Version(prospective.base_version) == Version(spec.base_version): return False # If we've gotten to here, it means that prospective version is both # less than the spec version *and* it's not a pre-release of the same # version in the spec. return True @_require_version_compare def _compare_greater_than(self, prospective: ParsedVersion, spec_str: str) -> bool: # Convert our spec to a Version instance, since we'll want to work with # it as a version. spec = Version(spec_str) # Check to see if the prospective version is greater than the spec # version. If it's not we can short circuit and just return False now # instead of doing extra unneeded work. if not prospective > spec: return False # This special case is here so that, unless the specifier itself # includes is a post-release version, that we do not accept # post-release versions for the version mentioned in the specifier # (e.g. >3.1 should not match 3.0.post0, but should match 3.2.post0). if not spec.is_postrelease and prospective.is_postrelease: if Version(prospective.base_version) == Version(spec.base_version): return False # Ensure that we do not allow a local version of the version mentioned # in the specifier, which is technically greater than, to match. if prospective.local is not None: if Version(prospective.base_version) == Version(spec.base_version): return False # If we've gotten to here, it means that prospective version is both # greater than the spec version *and* it's not a pre-release of the # same version in the spec. return True def _compare_arbitrary(self, prospective: Version, spec: str) -> bool: return str(prospective).lower() == str(spec).lower() @property def prereleases(self) -> bool: # If there is an explicit prereleases set for this, then we'll just # blindly use that. if self._prereleases is not None: return self._prereleases # Look at all of our specifiers and determine if they are inclusive # operators, and if they are if they are including an explicit # prerelease. operator, version = self._spec if operator in ["==", ">=", "<=", "~=", "==="]: # The == specifier can include a trailing .*, if it does we # want to remove before parsing. if operator == "==" and version.endswith(".*"): version = version[:-2] # Parse the version, and if it is a pre-release than this # specifier allows pre-releases. if parse(version).is_prerelease: return True return False @prereleases.setter def prereleases(self, value: bool) -> None: self._prereleases = value _prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$") def _version_split(version: str) -> List[str]: result: List[str] = [] for item in version.split("."): match = _prefix_regex.search(item) if match: result.extend(match.groups()) else: result.append(item) return result def _is_not_suffix(segment: str) -> bool: return not any( segment.startswith(prefix) for prefix in ("dev", "a", "b", "rc", "post") ) def _pad_version(left: List[str], right: List[str]) -> Tuple[List[str], List[str]]: left_split, right_split = [], [] # Get the release segment of our versions left_split.append(list(itertools.takewhile(lambda x: x.isdigit(), left))) right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right))) # Get the rest of our versions left_split.append(left[len(left_split[0]) :]) right_split.append(right[len(right_split[0]) :]) # Insert our padding left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0]))) right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0]))) return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split))) class SpecifierSet(BaseSpecifier): def __init__( self, specifiers: str = "", prereleases: Optional[bool] = None ) -> None: # Split on , to break each individual specifier into it's own item, and # strip each item to remove leading/trailing whitespace. split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] # Parsed each individual specifier, attempting first to make it a # Specifier and falling back to a LegacySpecifier. parsed: Set[_IndividualSpecifier] = set() for specifier in split_specifiers: try: parsed.add(Specifier(specifier)) except InvalidSpecifier: parsed.add(LegacySpecifier(specifier)) # Turn our parsed specifiers into a frozen set and save them for later. self._specs = frozenset(parsed) # Store our prereleases value so we can use it later to determine if # we accept prereleases or not. self._prereleases = prereleases def __repr__(self) -> str: pre = ( f", prereleases={self.prereleases!r}" if self._prereleases is not None else "" ) return "<SpecifierSet({!r}{})>".format(str(self), pre) def __str__(self) -> str: return ",".join(sorted(str(s) for s in self._specs)) def __hash__(self) -> int: return hash(self._specs) def __and__(self, other: Union["SpecifierSet", str]) -> "SpecifierSet": if isinstance(other, str): other = SpecifierSet(other) elif not isinstance(other, SpecifierSet): return NotImplemented specifier = SpecifierSet() specifier._specs = frozenset(self._specs | other._specs) if self._prereleases is None and other._prereleases is not None: specifier._prereleases = other._prereleases elif self._prereleases is not None and other._prereleases is None: specifier._prereleases = self._prereleases elif self._prereleases == other._prereleases: specifier._prereleases = self._prereleases else: raise ValueError( "Cannot combine SpecifierSets with True and False prerelease " "overrides." ) return specifier def __eq__(self, other: object) -> bool: if isinstance(other, (str, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented return self._specs == other._specs def __ne__(self, other: object) -> bool: if isinstance(other, (str, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented return self._specs != other._specs def __len__(self) -> int: return len(self._specs) def __iter__(self) -> Iterator[_IndividualSpecifier]: return iter(self._specs) @property def prereleases(self) -> Optional[bool]: # If we have been given an explicit prerelease modifier, then we'll # pass that through here. if self._prereleases is not None: return self._prereleases # If we don't have any specifiers, and we don't have a forced value, # then we'll just return None since we don't know if this should have # pre-releases or not. if not self._specs: return None # Otherwise we'll see if any of the given specifiers accept # prereleases, if any of them do we'll return True, otherwise False. return any(s.prereleases for s in self._specs) @prereleases.setter def prereleases(self, value: bool) -> None: self._prereleases = value def __contains__(self, item: UnparsedVersion) -> bool: return self.contains(item) def contains( self, item: UnparsedVersion, prereleases: Optional[bool] = None ) -> bool: # Ensure that our item is a Version or LegacyVersion instance. if not isinstance(item, (LegacyVersion, Version)): item = parse(item) # Determine if we're forcing a prerelease or not, if we're not forcing # one for this particular filter call, then we'll use whatever the # SpecifierSet thinks for whether or not we should support prereleases. if prereleases is None: prereleases = self.prereleases # We can determine if we're going to allow pre-releases by looking to # see if any of the underlying items supports them. If none of them do # and this item is a pre-release then we do not allow it and we can # short circuit that here. # Note: This means that 1.0.dev1 would not be contained in something # like >=1.0.devabc however it would be in >=1.0.debabc,>0.0.dev0 if not prereleases and item.is_prerelease: return False # We simply dispatch to the underlying specs here to make sure that the # given version is contained within all of them. # Note: This use of all() here means that an empty set of specifiers # will always return True, this is an explicit design decision. return all(s.contains(item, prereleases=prereleases) for s in self._specs) def filter( self, iterable: Iterable[VersionTypeVar], prereleases: Optional[bool] = None ) -> Iterable[VersionTypeVar]: # Determine if we're forcing a prerelease or not, if we're not forcing # one for this particular filter call, then we'll use whatever the # SpecifierSet thinks for whether or not we should support prereleases. if prereleases is None: prereleases = self.prereleases # If we have any specifiers, then we want to wrap our iterable in the # filter method for each one, this will act as a logical AND amongst # each specifier. if self._specs: for spec in self._specs: iterable = spec.filter(iterable, prereleases=bool(prereleases)) return iterable # If we do not have any specifiers, then we need to have a rough filter # which will filter out any pre-releases, unless there are no final # releases, and which will filter out LegacyVersion in general. else: filtered: List[VersionTypeVar] = [] found_prereleases: List[VersionTypeVar] = [] item: UnparsedVersion parsed_version: Union[Version, LegacyVersion] for item in iterable: # Ensure that we some kind of Version class for this item. if not isinstance(item, (LegacyVersion, Version)): parsed_version = parse(item) else: parsed_version = item # Filter out any item which is parsed as a LegacyVersion if isinstance(parsed_version, LegacyVersion): continue # Store any item which is a pre-release for later unless we've # already found a final version or we are accepting prereleases if parsed_version.is_prerelease and not prereleases: if not filtered: found_prereleases.append(item) else: filtered.append(item) # If we've found no items except for pre-releases, then we'll go # ahead and use the pre-releases if not filtered and found_prereleases and prereleases is None: return found_prereleases return filtered _vendor/packaging/tags.py 0000644 00000036542 15114542003 0011441 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import logging import platform import sys import sysconfig from importlib.machinery import EXTENSION_SUFFIXES from typing import ( Dict, FrozenSet, Iterable, Iterator, List, Optional, Sequence, Tuple, Union, cast, ) from . import _manylinux, _musllinux logger = logging.getLogger(__name__) PythonVersion = Sequence[int] MacVersion = Tuple[int, int] INTERPRETER_SHORT_NAMES: Dict[str, str] = { "python": "py", # Generic. "cpython": "cp", "pypy": "pp", "ironpython": "ip", "jython": "jy", } _32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32 class Tag: """ A representation of the tag triple for a wheel. Instances are considered immutable and thus are hashable. Equality checking is also supported. """ __slots__ = ["_interpreter", "_abi", "_platform", "_hash"] def __init__(self, interpreter: str, abi: str, platform: str) -> None: self._interpreter = interpreter.lower() self._abi = abi.lower() self._platform = platform.lower() # The __hash__ of every single element in a Set[Tag] will be evaluated each time # that a set calls its `.disjoint()` method, which may be called hundreds of # times when scanning a page of links for packages with tags matching that # Set[Tag]. Pre-computing the value here produces significant speedups for # downstream consumers. self._hash = hash((self._interpreter, self._abi, self._platform)) @property def interpreter(self) -> str: return self._interpreter @property def abi(self) -> str: return self._abi @property def platform(self) -> str: return self._platform def __eq__(self, other: object) -> bool: if not isinstance(other, Tag): return NotImplemented return ( (self._hash == other._hash) # Short-circuit ASAP for perf reasons. and (self._platform == other._platform) and (self._abi == other._abi) and (self._interpreter == other._interpreter) ) def __hash__(self) -> int: return self._hash def __str__(self) -> str: return f"{self._interpreter}-{self._abi}-{self._platform}" def __repr__(self) -> str: return "<{self} @ {self_id}>".format(self=self, self_id=id(self)) def parse_tag(tag: str) -> FrozenSet[Tag]: """ Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances. Returning a set is required due to the possibility that the tag is a compressed tag set. """ tags = set() interpreters, abis, platforms = tag.split("-") for interpreter in interpreters.split("."): for abi in abis.split("."): for platform_ in platforms.split("."): tags.add(Tag(interpreter, abi, platform_)) return frozenset(tags) def _get_config_var(name: str, warn: bool = False) -> Union[int, str, None]: value = sysconfig.get_config_var(name) if value is None and warn: logger.debug( "Config variable '%s' is unset, Python ABI tag may be incorrect", name ) return value def _normalize_string(string: str) -> str: return string.replace(".", "_").replace("-", "_") def _abi3_applies(python_version: PythonVersion) -> bool: """ Determine if the Python version supports abi3. PEP 384 was first implemented in Python 3.2. """ return len(python_version) > 1 and tuple(python_version) >= (3, 2) def _cpython_abis(py_version: PythonVersion, warn: bool = False) -> List[str]: py_version = tuple(py_version) # To allow for version comparison. abis = [] version = _version_nodot(py_version[:2]) debug = pymalloc = ucs4 = "" with_debug = _get_config_var("Py_DEBUG", warn) has_refcount = hasattr(sys, "gettotalrefcount") # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled # extension modules is the best option. # https://github.com/pypa/pip/issues/3383#issuecomment-173267692 has_ext = "_d.pyd" in EXTENSION_SUFFIXES if with_debug or (with_debug is None and (has_refcount or has_ext)): debug = "d" if py_version < (3, 8): with_pymalloc = _get_config_var("WITH_PYMALLOC", warn) if with_pymalloc or with_pymalloc is None: pymalloc = "m" if py_version < (3, 3): unicode_size = _get_config_var("Py_UNICODE_SIZE", warn) if unicode_size == 4 or ( unicode_size is None and sys.maxunicode == 0x10FFFF ): ucs4 = "u" elif debug: # Debug builds can also load "normal" extension modules. # We can also assume no UCS-4 or pymalloc requirement. abis.append(f"cp{version}") abis.insert( 0, "cp{version}{debug}{pymalloc}{ucs4}".format( version=version, debug=debug, pymalloc=pymalloc, ucs4=ucs4 ), ) return abis def cpython_tags( python_version: Optional[PythonVersion] = None, abis: Optional[Iterable[str]] = None, platforms: Optional[Iterable[str]] = None, *, warn: bool = False, ) -> Iterator[Tag]: """ Yields the tags for a CPython interpreter. The tags consist of: - cp<python_version>-<abi>-<platform> - cp<python_version>-abi3-<platform> - cp<python_version>-none-<platform> - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. If python_version only specifies a major version then user-provided ABIs and the 'none' ABItag will be used. If 'abi3' or 'none' are specified in 'abis' then they will be yielded at their normal position and not at the beginning. """ if not python_version: python_version = sys.version_info[:2] interpreter = "cp{}".format(_version_nodot(python_version[:2])) if abis is None: if len(python_version) > 1: abis = _cpython_abis(python_version, warn) else: abis = [] abis = list(abis) # 'abi3' and 'none' are explicitly handled later. for explicit_abi in ("abi3", "none"): try: abis.remove(explicit_abi) except ValueError: pass platforms = list(platforms or _platform_tags()) for abi in abis: for platform_ in platforms: yield Tag(interpreter, abi, platform_) if _abi3_applies(python_version): yield from (Tag(interpreter, "abi3", platform_) for platform_ in platforms) yield from (Tag(interpreter, "none", platform_) for platform_ in platforms) if _abi3_applies(python_version): for minor_version in range(python_version[1] - 1, 1, -1): for platform_ in platforms: interpreter = "cp{version}".format( version=_version_nodot((python_version[0], minor_version)) ) yield Tag(interpreter, "abi3", platform_) def _generic_abi() -> Iterator[str]: abi = sysconfig.get_config_var("SOABI") if abi: yield _normalize_string(abi) def generic_tags( interpreter: Optional[str] = None, abis: Optional[Iterable[str]] = None, platforms: Optional[Iterable[str]] = None, *, warn: bool = False, ) -> Iterator[Tag]: """ Yields the tags for a generic interpreter. The tags consist of: - <interpreter>-<abi>-<platform> The "none" ABI will be added if it was not explicitly provided. """ if not interpreter: interp_name = interpreter_name() interp_version = interpreter_version(warn=warn) interpreter = "".join([interp_name, interp_version]) if abis is None: abis = _generic_abi() platforms = list(platforms or _platform_tags()) abis = list(abis) if "none" not in abis: abis.append("none") for abi in abis: for platform_ in platforms: yield Tag(interpreter, abi, platform_) def _py_interpreter_range(py_version: PythonVersion) -> Iterator[str]: """ Yields Python versions in descending order. After the latest version, the major-only version will be yielded, and then all previous versions of that major version. """ if len(py_version) > 1: yield "py{version}".format(version=_version_nodot(py_version[:2])) yield "py{major}".format(major=py_version[0]) if len(py_version) > 1: for minor in range(py_version[1] - 1, -1, -1): yield "py{version}".format(version=_version_nodot((py_version[0], minor))) def compatible_tags( python_version: Optional[PythonVersion] = None, interpreter: Optional[str] = None, platforms: Optional[Iterable[str]] = None, ) -> Iterator[Tag]: """ Yields the sequence of tags that are compatible with a specific version of Python. The tags consist of: - py*-none-<platform> - <interpreter>-none-any # ... if `interpreter` is provided. - py*-none-any """ if not python_version: python_version = sys.version_info[:2] platforms = list(platforms or _platform_tags()) for version in _py_interpreter_range(python_version): for platform_ in platforms: yield Tag(version, "none", platform_) if interpreter: yield Tag(interpreter, "none", "any") for version in _py_interpreter_range(python_version): yield Tag(version, "none", "any") def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str: if not is_32bit: return arch if arch.startswith("ppc"): return "ppc" return "i386" def _mac_binary_formats(version: MacVersion, cpu_arch: str) -> List[str]: formats = [cpu_arch] if cpu_arch == "x86_64": if version < (10, 4): return [] formats.extend(["intel", "fat64", "fat32"]) elif cpu_arch == "i386": if version < (10, 4): return [] formats.extend(["intel", "fat32", "fat"]) elif cpu_arch == "ppc64": # TODO: Need to care about 32-bit PPC for ppc64 through 10.2? if version > (10, 5) or version < (10, 4): return [] formats.append("fat64") elif cpu_arch == "ppc": if version > (10, 6): return [] formats.extend(["fat32", "fat"]) if cpu_arch in {"arm64", "x86_64"}: formats.append("universal2") if cpu_arch in {"x86_64", "i386", "ppc64", "ppc", "intel"}: formats.append("universal") return formats def mac_platforms( version: Optional[MacVersion] = None, arch: Optional[str] = None ) -> Iterator[str]: """ Yields the platform tags for a macOS system. The `version` parameter is a two-item tuple specifying the macOS version to generate platform tags for. The `arch` parameter is the CPU architecture to generate platform tags for. Both parameters default to the appropriate value for the current system. """ version_str, _, cpu_arch = platform.mac_ver() if version is None: version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2]))) else: version = version if arch is None: arch = _mac_arch(cpu_arch) else: arch = arch if (10, 0) <= version and version < (11, 0): # Prior to Mac OS 11, each yearly release of Mac OS bumped the # "minor" version number. The major version was always 10. for minor_version in range(version[1], -1, -1): compat_version = 10, minor_version binary_formats = _mac_binary_formats(compat_version, arch) for binary_format in binary_formats: yield "macosx_{major}_{minor}_{binary_format}".format( major=10, minor=minor_version, binary_format=binary_format ) if version >= (11, 0): # Starting with Mac OS 11, each yearly release bumps the major version # number. The minor versions are now the midyear updates. for major_version in range(version[0], 10, -1): compat_version = major_version, 0 binary_formats = _mac_binary_formats(compat_version, arch) for binary_format in binary_formats: yield "macosx_{major}_{minor}_{binary_format}".format( major=major_version, minor=0, binary_format=binary_format ) if version >= (11, 0): # Mac OS 11 on x86_64 is compatible with binaries from previous releases. # Arm64 support was introduced in 11.0, so no Arm binaries from previous # releases exist. # # However, the "universal2" binary format can have a # macOS version earlier than 11.0 when the x86_64 part of the binary supports # that version of macOS. if arch == "x86_64": for minor_version in range(16, 3, -1): compat_version = 10, minor_version binary_formats = _mac_binary_formats(compat_version, arch) for binary_format in binary_formats: yield "macosx_{major}_{minor}_{binary_format}".format( major=compat_version[0], minor=compat_version[1], binary_format=binary_format, ) else: for minor_version in range(16, 3, -1): compat_version = 10, minor_version binary_format = "universal2" yield "macosx_{major}_{minor}_{binary_format}".format( major=compat_version[0], minor=compat_version[1], binary_format=binary_format, ) def _linux_platforms(is_32bit: bool = _32_BIT_INTERPRETER) -> Iterator[str]: linux = _normalize_string(sysconfig.get_platform()) if is_32bit: if linux == "linux_x86_64": linux = "linux_i686" elif linux == "linux_aarch64": linux = "linux_armv7l" _, arch = linux.split("_", 1) yield from _manylinux.platform_tags(linux, arch) yield from _musllinux.platform_tags(arch) yield linux def _generic_platforms() -> Iterator[str]: yield _normalize_string(sysconfig.get_platform()) def _platform_tags() -> Iterator[str]: """ Provides the platform tags for this installation. """ if platform.system() == "Darwin": return mac_platforms() elif platform.system() == "Linux": return _linux_platforms() else: return _generic_platforms() def interpreter_name() -> str: """ Returns the name of the running interpreter. """ name = sys.implementation.name return INTERPRETER_SHORT_NAMES.get(name) or name def interpreter_version(*, warn: bool = False) -> str: """ Returns the version of the running interpreter. """ version = _get_config_var("py_version_nodot", warn=warn) if version: version = str(version) else: version = _version_nodot(sys.version_info[:2]) return version def _version_nodot(version: PythonVersion) -> str: return "".join(map(str, version)) def sys_tags(*, warn: bool = False) -> Iterator[Tag]: """ Returns the sequence of tag triples for the running interpreter. The order of the sequence corresponds to priority order for the interpreter, from most to least important. """ interp_name = interpreter_name() if interp_name == "cp": yield from cpython_tags(warn=warn) else: yield from generic_tags() yield from compatible_tags() _vendor/packaging/utils.py 0000644 00000010150 15114542003 0011626 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import re from typing import FrozenSet, NewType, Tuple, Union, cast from .tags import Tag, parse_tag from .version import InvalidVersion, Version BuildTag = Union[Tuple[()], Tuple[int, str]] NormalizedName = NewType("NormalizedName", str) class InvalidWheelFilename(ValueError): """ An invalid wheel filename was found, users should refer to PEP 427. """ class InvalidSdistFilename(ValueError): """ An invalid sdist filename was found, users should refer to the packaging user guide. """ _canonicalize_regex = re.compile(r"[-_.]+") # PEP 427: The build number must start with a digit. _build_tag_regex = re.compile(r"(\d+)(.*)") def canonicalize_name(name: str) -> NormalizedName: # This is taken from PEP 503. value = _canonicalize_regex.sub("-", name).lower() return cast(NormalizedName, value) def canonicalize_version(version: Union[Version, str]) -> str: """ This is very similar to Version.__str__, but has one subtle difference with the way it handles the release segment. """ if isinstance(version, str): try: parsed = Version(version) except InvalidVersion: # Legacy versions cannot be normalized return version else: parsed = version parts = [] # Epoch if parsed.epoch != 0: parts.append(f"{parsed.epoch}!") # Release segment # NB: This strips trailing '.0's to normalize parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in parsed.release))) # Pre-release if parsed.pre is not None: parts.append("".join(str(x) for x in parsed.pre)) # Post-release if parsed.post is not None: parts.append(f".post{parsed.post}") # Development release if parsed.dev is not None: parts.append(f".dev{parsed.dev}") # Local version segment if parsed.local is not None: parts.append(f"+{parsed.local}") return "".join(parts) def parse_wheel_filename( filename: str, ) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]]: if not filename.endswith(".whl"): raise InvalidWheelFilename( f"Invalid wheel filename (extension must be '.whl'): {filename}" ) filename = filename[:-4] dashes = filename.count("-") if dashes not in (4, 5): raise InvalidWheelFilename( f"Invalid wheel filename (wrong number of parts): {filename}" ) parts = filename.split("-", dashes - 2) name_part = parts[0] # See PEP 427 for the rules on escaping the project name if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None: raise InvalidWheelFilename(f"Invalid project name: {filename}") name = canonicalize_name(name_part) version = Version(parts[1]) if dashes == 5: build_part = parts[2] build_match = _build_tag_regex.match(build_part) if build_match is None: raise InvalidWheelFilename( f"Invalid build number: {build_part} in '{filename}'" ) build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2))) else: build = () tags = parse_tag(parts[-1]) return (name, version, build, tags) def parse_sdist_filename(filename: str) -> Tuple[NormalizedName, Version]: if filename.endswith(".tar.gz"): file_stem = filename[: -len(".tar.gz")] elif filename.endswith(".zip"): file_stem = filename[: -len(".zip")] else: raise InvalidSdistFilename( f"Invalid sdist filename (extension must be '.tar.gz' or '.zip'):" f" {filename}" ) # We are requiring a PEP 440 version, which cannot contain dashes, # so we split on the last dash. name_part, sep, version_part = file_stem.rpartition("-") if not sep: raise InvalidSdistFilename(f"Invalid sdist filename: {filename}") name = canonicalize_name(name_part) version = Version(version_part) return (name, version) _vendor/packaging/version.py 0000644 00000034217 15114542003 0012165 0 ustar 00 # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import collections import itertools import re import warnings from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union from ._structures import Infinity, InfinityType, NegativeInfinity, NegativeInfinityType __all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"] InfiniteTypes = Union[InfinityType, NegativeInfinityType] PrePostDevType = Union[InfiniteTypes, Tuple[str, int]] SubLocalType = Union[InfiniteTypes, int, str] LocalType = Union[ NegativeInfinityType, Tuple[ Union[ SubLocalType, Tuple[SubLocalType, str], Tuple[NegativeInfinityType, SubLocalType], ], ..., ], ] CmpKey = Tuple[ int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType ] LegacyCmpKey = Tuple[int, Tuple[str, ...]] VersionComparisonMethod = Callable[ [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool ] _Version = collections.namedtuple( "_Version", ["epoch", "release", "dev", "pre", "post", "local"] ) def parse(version: str) -> Union["LegacyVersion", "Version"]: """ Parse the given version string and return either a :class:`Version` object or a :class:`LegacyVersion` object depending on if the given version is a valid PEP 440 version or a legacy version. """ try: return Version(version) except InvalidVersion: return LegacyVersion(version) class InvalidVersion(ValueError): """ An invalid version was found, users should refer to PEP 440. """ class _BaseVersion: _key: Union[CmpKey, LegacyCmpKey] def __hash__(self) -> int: return hash(self._key) # Please keep the duplicated `isinstance` check # in the six comparisons hereunder # unless you find a way to avoid adding overhead function calls. def __lt__(self, other: "_BaseVersion") -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key < other._key def __le__(self, other: "_BaseVersion") -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key <= other._key def __eq__(self, other: object) -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key == other._key def __ge__(self, other: "_BaseVersion") -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key >= other._key def __gt__(self, other: "_BaseVersion") -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key > other._key def __ne__(self, other: object) -> bool: if not isinstance(other, _BaseVersion): return NotImplemented return self._key != other._key class LegacyVersion(_BaseVersion): def __init__(self, version: str) -> None: self._version = str(version) self._key = _legacy_cmpkey(self._version) def __str__(self) -> str: return self._version def __repr__(self) -> str: return f"<LegacyVersion('{self}')>" @property def public(self) -> str: return self._version @property def base_version(self) -> str: return self._version @property def epoch(self) -> int: return -1 @property def release(self) -> None: return None @property def pre(self) -> None: return None @property def post(self) -> None: return None @property def dev(self) -> None: return None @property def local(self) -> None: return None @property def is_prerelease(self) -> bool: return False @property def is_postrelease(self) -> bool: return False @property def is_devrelease(self) -> bool: return False _legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE) _legacy_version_replacement_map = { "pre": "c", "preview": "c", "-": "final-", "rc": "c", "dev": "@", } def _parse_version_parts(s: str) -> Iterator[str]: for part in _legacy_version_component_re.split(s): part = _legacy_version_replacement_map.get(part, part) if not part or part == ".": continue if part[:1] in "0123456789": # pad for numeric comparison yield part.zfill(8) else: yield "*" + part # ensure that alpha/beta/candidate are before final yield "*final" def _legacy_cmpkey(version: str) -> LegacyCmpKey: # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch # greater than or equal to 0. This will effectively put the LegacyVersion, # which uses the defacto standard originally implemented by setuptools, # as before all PEP 440 versions. epoch = -1 # This scheme is taken from pkg_resources.parse_version setuptools prior to # it's adoption of the packaging library. parts: List[str] = [] for part in _parse_version_parts(version.lower()): if part.startswith("*"): # remove "-" before a prerelease tag if part < "*final": while parts and parts[-1] == "*final-": parts.pop() # remove trailing zeros from each series of numeric parts while parts and parts[-1] == "00000000": parts.pop() parts.append(part) return epoch, tuple(parts) # Deliberately not anchored to the start and end of the string, to make it # easier for 3rd party code to reuse VERSION_PATTERN = r""" v? (?: (?:(?P<epoch>[0-9]+)!)? # epoch (?P<release>[0-9]+(?:\.[0-9]+)*) # release segment (?P<pre> # pre-release [-_\.]? (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview)) [-_\.]? (?P<pre_n>[0-9]+)? )? (?P<post> # post release (?:-(?P<post_n1>[0-9]+)) | (?: [-_\.]? (?P<post_l>post|rev|r) [-_\.]? (?P<post_n2>[0-9]+)? ) )? (?P<dev> # dev release [-_\.]? (?P<dev_l>dev) [-_\.]? (?P<dev_n>[0-9]+)? )? ) (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))? # local version """ class Version(_BaseVersion): _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE) def __init__(self, version: str) -> None: # Validate the version and parse it into pieces match = self._regex.search(version) if not match: raise InvalidVersion(f"Invalid version: '{version}'") # Store the parsed out pieces of the version self._version = _Version( epoch=int(match.group("epoch")) if match.group("epoch") else 0, release=tuple(int(i) for i in match.group("release").split(".")), pre=_parse_letter_version(match.group("pre_l"), match.group("pre_n")), post=_parse_letter_version( match.group("post_l"), match.group("post_n1") or match.group("post_n2") ), dev=_parse_letter_version(match.group("dev_l"), match.group("dev_n")), local=_parse_local_version(match.group("local")), ) # Generate a key which will be used for sorting self._key = _cmpkey( self._version.epoch, self._version.release, self._version.pre, self._version.post, self._version.dev, self._version.local, ) def __repr__(self) -> str: return f"<Version('{self}')>" def __str__(self) -> str: parts = [] # Epoch if self.epoch != 0: parts.append(f"{self.epoch}!") # Release segment parts.append(".".join(str(x) for x in self.release)) # Pre-release if self.pre is not None: parts.append("".join(str(x) for x in self.pre)) # Post-release if self.post is not None: parts.append(f".post{self.post}") # Development release if self.dev is not None: parts.append(f".dev{self.dev}") # Local version segment if self.local is not None: parts.append(f"+{self.local}") return "".join(parts) @property def epoch(self) -> int: _epoch: int = self._version.epoch return _epoch @property def release(self) -> Tuple[int, ...]: _release: Tuple[int, ...] = self._version.release return _release @property def pre(self) -> Optional[Tuple[str, int]]: _pre: Optional[Tuple[str, int]] = self._version.pre return _pre @property def post(self) -> Optional[int]: return self._version.post[1] if self._version.post else None @property def dev(self) -> Optional[int]: return self._version.dev[1] if self._version.dev else None @property def local(self) -> Optional[str]: if self._version.local: return ".".join(str(x) for x in self._version.local) else: return None @property def public(self) -> str: return str(self).split("+", 1)[0] @property def base_version(self) -> str: parts = [] # Epoch if self.epoch != 0: parts.append(f"{self.epoch}!") # Release segment parts.append(".".join(str(x) for x in self.release)) return "".join(parts) @property def is_prerelease(self) -> bool: return self.dev is not None or self.pre is not None @property def is_postrelease(self) -> bool: return self.post is not None @property def is_devrelease(self) -> bool: return self.dev is not None @property def major(self) -> int: return self.release[0] if len(self.release) >= 1 else 0 @property def minor(self) -> int: return self.release[1] if len(self.release) >= 2 else 0 @property def micro(self) -> int: return self.release[2] if len(self.release) >= 3 else 0 def _parse_letter_version( letter: str, number: Union[str, bytes, SupportsInt] ) -> Optional[Tuple[str, int]]: if letter: # We consider there to be an implicit 0 in a pre-release if there is # not a numeral associated with it. if number is None: number = 0 # We normalize any letters to their lower case form letter = letter.lower() # We consider some words to be alternate spellings of other words and # in those cases we want to normalize the spellings to our preferred # spelling. if letter == "alpha": letter = "a" elif letter == "beta": letter = "b" elif letter in ["c", "pre", "preview"]: letter = "rc" elif letter in ["rev", "r"]: letter = "post" return letter, int(number) if not letter and number: # We assume if we are given a number, but we are not given a letter # then this is using the implicit post release syntax (e.g. 1.0-1) letter = "post" return letter, int(number) return None _local_version_separators = re.compile(r"[\._-]") def _parse_local_version(local: str) -> Optional[LocalType]: """ Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). """ if local is not None: return tuple( part.lower() if not part.isdigit() else int(part) for part in _local_version_separators.split(local) ) return None def _cmpkey( epoch: int, release: Tuple[int, ...], pre: Optional[Tuple[str, int]], post: Optional[Tuple[str, int]], dev: Optional[Tuple[str, int]], local: Optional[Tuple[SubLocalType]], ) -> CmpKey: # When we compare a release version, we want to compare it with all of the # trailing zeros removed. So we'll use a reverse the list, drop all the now # leading zeros until we come to something non zero, then take the rest # re-reverse it back into the correct order and make it a tuple and use # that for our sorting key. _release = tuple( reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release)))) ) # We need to "trick" the sorting algorithm to put 1.0.dev0 before 1.0a0. # We'll do this by abusing the pre segment, but we _only_ want to do this # if there is not a pre or a post segment. If we have one of those then # the normal sorting rules will handle this case correctly. if pre is None and post is None and dev is not None: _pre: PrePostDevType = NegativeInfinity # Versions without a pre-release (except as noted above) should sort after # those with one. elif pre is None: _pre = Infinity else: _pre = pre # Versions without a post segment should sort before those with one. if post is None: _post: PrePostDevType = NegativeInfinity else: _post = post # Versions without a development segment should sort after those with one. if dev is None: _dev: PrePostDevType = Infinity else: _dev = dev if local is None: # Versions without a local segment should sort before those with one. _local: LocalType = NegativeInfinity else: # Versions with a local segment need that segment parsed to implement # the sorting rules in PEP440. # - Alpha numeric segments sort before numeric segments # - Alpha numeric segments sort lexicographically # - Numeric segments sort numerically # - Shorter versions sort before longer versions when the prefixes # match exactly _local = tuple( (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local ) return epoch, _release, _pre, _post, _dev, _local _vendor/pep517/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000000425 15114542003 0016554 0 ustar 00 a [��f� � @ s d Z dZddlT dS )z6Wrappers to build Python packages using PEP 517 hooks z0.12.0� )�*N)�__doc__� __version__Zwrappers� r r �?/usr/lib/python3.9/site-packages/pip/_vendor/pep517/__init__.py�<module> s _vendor/pep517/__pycache__/__init__.cpython-39.pyc 0000644 00000000425 15114542003 0015615 0 ustar 00 a [��f� � @ s d Z dZddlT dS )z6Wrappers to build Python packages using PEP 517 hooks z0.12.0� )�*N)�__doc__� __version__Zwrappers� r r �?/usr/lib/python3.9/site-packages/pip/_vendor/pep517/__init__.py�<module> s _vendor/pep517/__pycache__/build.cpython-39.opt-1.pyc 0000644 00000006705 15114542003 0016123 0 ustar 00 a [��f� � @ s d Z ddlZddlZddlZddlZddlZddlmZ ddlm Z ddl m Z m Z ddl mZmZ e�e�Zdd � Zd d � Zd d � Zdd� Zd"dd�Ze�� Zejddd� ejddddd� ejddddd� ejd d d d� d d � Zed!k�r ee� � � dS )#z%Build a project using PEP 517 hooks. � N� )�BuildEnvironment)�Pep517HookCaller)�tempdir�mkdir_p)�FileNotFoundError� toml_loadc C s4 ddh}|t | �ks0dj|t | � d�}t|��dS )z7 Ensure build system has the requisite fields. �requires� build-backendz"Missing required fields: {missing})�missingN)�set�format� ValueError)�system�required�message� r �</usr/lib/python3.9/site-packages/pip/_vendor/pep517/build.py�validate_system s �r c C sJ t j�| d�}t�|d��}t|�}W d � n1 s80 Y |d S )zC Load the build system from a source dir (pyproject.toml). zpyproject.toml�rbNz build-system)�os�path�join�io�openr )� source_dirZ pyproject�fZpyproject_datar r r � load_system s &r c C sH z t | �}W n ttfy& i }Y n0 |�dd� |�dddg� |S )z� Given a source dir, attempt to get a build system backend and requirements from pyproject.toml. 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N) rH rI rP r+ rn ro rp r1 r rq )rr rR rX rL rS rs r r r rI s rI c C s4 t � }z |j}W n ty& g Y S 0 || �S dS rN )rH � get_requires_for_build_sdistrP rQ r r r rt s rt c @ s e Zd ZdZdS )�_DummyExceptionz(Nothing should ever raise this exceptionN)r% r& r' r( r r r r ru , s ru c @ s e Zd ZdZdd� ZdS )�GotUnsupportedOperationz9For internal use when backend raises UnsupportedOperationc C s || _ d S r r r! r r r r# 2 s z GotUnsupportedOperation.__init__Nr$ r r r r rv 0 s rv c C s@ t � }z|�| |�W S t|dt�y: tt�� ��Y n0 dS )z&Invoke the mandatory build_sdist hook.�UnsupportedOperationN)rH � build_sdistrF ru rv r rD )Zsdist_directoryrR rL r r r rx 6 s rx > rV rI rt rx rU rO r[ rM rT c C st t tj�dk rt�d� tjd } tjd }| tvrBt�d| � t� | }tt|d��}dd d�}z|f i |d ��|d < W n� ty� } z d |d < |j |d < W Y d }~n�d }~0 t y� } z d |d< |j |d< W Y d }~n|d }~0 t �y } z d |d< |j |d < W Y d }~nFd }~0 t �yZ } z$d |d< |j�p@| |d< W Y d }~n d }~0 0 t|t|d�dd� d S )Nr z"Needs args: hook_name, control_dirrh � zUnknown hook: %sz input.jsonF)� unsupported� return_valr r{ TZ no_backendr Zbackend_invalidZ backend_errorrz Z hook_missingZmissing_hook_namez output.json)�indent)rm rA �argv�exit� HOOK_NAMES�globalsr rk r r r) r* rv r+ r- r )r- Z control_dirrS Z hook_inputZjson_out�er r r �mainL s0 &r� �__main__)N)N)(r( r � importlibr r r1 Zos.pathr rk r\ ro rA r � version_infor r r^ r r) r+ r6 rH rM rO rT rU r[ rf ra rW rn rV rI rt ru rv rx r r� r% r r r r �<module> sN _vendor/pep517/in_process/__init__.py 0000644 00000001063 15114542004 0013472 0 ustar 00 """This is a subpackage because the directory is on sys.path for _in_process.py The subpackage should stay as empty as possible to avoid shadowing modules that the backend might import. """ from os.path import dirname, abspath, join as pjoin from contextlib import contextmanager try: import importlib.resources as resources def _in_proc_script_path(): return resources.path(__package__, '_in_process.py') except ImportError: @contextmanager def _in_proc_script_path(): yield pjoin(dirname(abspath(__file__)), '_in_process.py') _vendor/pep517/in_process/_in_process.py 0000644 00000025701 15114542004 0014243 0 ustar 00 """This is invoked in a subprocess to call the build backend hooks. It expects: - Command line args: hook_name, control_dir - Environment variables: PEP517_BUILD_BACKEND=entry.point:spec PEP517_BACKEND_PATH=paths (separated with os.pathsep) - control_dir/input.json: - {"kwargs": {...}} Results: - control_dir/output.json - {"return_val": ...} """ from glob import glob from importlib import import_module import json import os import os.path from os.path import join as pjoin import re import shutil import sys import traceback # This file is run as a script, and `import compat` is not zip-safe, so we # include write_json() and read_json() from compat.py. # # Handle reading and writing JSON in UTF-8, on Python 3 and 2. if sys.version_info[0] >= 3: # Python 3 def write_json(obj, path, **kwargs): with open(path, 'w', encoding='utf-8') as f: json.dump(obj, f, **kwargs) def read_json(path): with open(path, 'r', encoding='utf-8') as f: return json.load(f) else: # Python 2 def write_json(obj, path, **kwargs): with open(path, 'wb') as f: json.dump(obj, f, encoding='utf-8', **kwargs) def read_json(path): with open(path, 'rb') as f: return json.load(f) class BackendUnavailable(Exception): """Raised if we cannot import the backend""" def __init__(self, traceback): self.traceback = traceback class BackendInvalid(Exception): """Raised if the backend is invalid""" def __init__(self, message): self.message = message class HookMissing(Exception): """Raised if a hook is missing and we are not executing the fallback""" def __init__(self, hook_name=None): super(HookMissing, self).__init__(hook_name) self.hook_name = hook_name def contained_in(filename, directory): """Test if a file is located within the given directory.""" filename = os.path.normcase(os.path.abspath(filename)) directory = os.path.normcase(os.path.abspath(directory)) return os.path.commonprefix([filename, directory]) == directory def _build_backend(): """Find and load the build backend""" # Add in-tree backend directories to the front of sys.path. backend_path = os.environ.get('PEP517_BACKEND_PATH') if backend_path: extra_pathitems = backend_path.split(os.pathsep) sys.path[:0] = extra_pathitems ep = os.environ['PEP517_BUILD_BACKEND'] mod_path, _, obj_path = ep.partition(':') try: obj = import_module(mod_path) except ImportError: raise BackendUnavailable(traceback.format_exc()) if backend_path: if not any( contained_in(obj.__file__, path) for path in extra_pathitems ): raise BackendInvalid("Backend was not loaded from backend-path") if obj_path: for path_part in obj_path.split('.'): obj = getattr(obj, path_part) return obj def _supported_features(): """Return the list of options features supported by the backend. Returns a list of strings. The only possible value is 'build_editable'. """ backend = _build_backend() features = [] if hasattr(backend, "build_editable"): features.append("build_editable") return features def get_requires_for_build_wheel(config_settings): """Invoke the optional get_requires_for_build_wheel hook Returns [] if the hook is not defined. """ backend = _build_backend() try: hook = backend.get_requires_for_build_wheel except AttributeError: return [] else: return hook(config_settings) def get_requires_for_build_editable(config_settings): """Invoke the optional get_requires_for_build_editable hook Returns [] if the hook is not defined. """ backend = _build_backend() try: hook = backend.get_requires_for_build_editable except AttributeError: return [] else: return hook(config_settings) def prepare_metadata_for_build_wheel( metadata_directory, config_settings, _allow_fallback): """Invoke optional prepare_metadata_for_build_wheel Implements a fallback by building a wheel if the hook isn't defined, unless _allow_fallback is False in which case HookMissing is raised. """ backend = _build_backend() try: hook = backend.prepare_metadata_for_build_wheel except AttributeError: if not _allow_fallback: raise HookMissing() whl_basename = backend.build_wheel(metadata_directory, config_settings) return _get_wheel_metadata_from_wheel(whl_basename, metadata_directory, config_settings) else: return hook(metadata_directory, config_settings) def prepare_metadata_for_build_editable( metadata_directory, config_settings, _allow_fallback): """Invoke optional prepare_metadata_for_build_editable Implements a fallback by building an editable wheel if the hook isn't defined, unless _allow_fallback is False in which case HookMissing is raised. """ backend = _build_backend() try: hook = backend.prepare_metadata_for_build_editable except AttributeError: if not _allow_fallback: raise HookMissing() try: build_hook = backend.build_editable except AttributeError: raise HookMissing(hook_name='build_editable') else: whl_basename = build_hook(metadata_directory, config_settings) return _get_wheel_metadata_from_wheel(whl_basename, metadata_directory, config_settings) else: return hook(metadata_directory, config_settings) WHEEL_BUILT_MARKER = 'PEP517_ALREADY_BUILT_WHEEL' def _dist_info_files(whl_zip): """Identify the .dist-info folder inside a wheel ZipFile.""" res = [] for path in whl_zip.namelist(): m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path) if m: res.append(path) if res: return res raise Exception("No .dist-info folder found in wheel") def _get_wheel_metadata_from_wheel( whl_basename, metadata_directory, config_settings): """Extract the metadata from a wheel. Fallback for when the build backend does not define the 'get_wheel_metadata' hook. """ from zipfile import ZipFile with open(os.path.join(metadata_directory, WHEEL_BUILT_MARKER), 'wb'): pass # Touch marker file whl_file = os.path.join(metadata_directory, whl_basename) with ZipFile(whl_file) as zipf: dist_info = _dist_info_files(zipf) zipf.extractall(path=metadata_directory, members=dist_info) return dist_info[0].split('/')[0] def _find_already_built_wheel(metadata_directory): """Check for a wheel already built during the get_wheel_metadata hook. """ if not metadata_directory: return None metadata_parent = os.path.dirname(metadata_directory) if not os.path.isfile(pjoin(metadata_parent, WHEEL_BUILT_MARKER)): return None whl_files = glob(os.path.join(metadata_parent, '*.whl')) if not whl_files: print('Found wheel built marker, but no .whl files') return None if len(whl_files) > 1: print('Found multiple .whl files; unspecified behaviour. ' 'Will call build_wheel.') return None # Exactly one .whl file return whl_files[0] def build_wheel(wheel_directory, config_settings, metadata_directory=None): """Invoke the mandatory build_wheel hook. If a wheel was already built in the prepare_metadata_for_build_wheel fallback, this will copy it rather than rebuilding the wheel. """ prebuilt_whl = _find_already_built_wheel(metadata_directory) if prebuilt_whl: shutil.copy2(prebuilt_whl, wheel_directory) return os.path.basename(prebuilt_whl) return _build_backend().build_wheel(wheel_directory, config_settings, metadata_directory) def build_editable(wheel_directory, config_settings, metadata_directory=None): """Invoke the optional build_editable hook. If a wheel was already built in the prepare_metadata_for_build_editable fallback, this will copy it rather than rebuilding the wheel. """ backend = _build_backend() try: hook = backend.build_editable except AttributeError: raise HookMissing() else: prebuilt_whl = _find_already_built_wheel(metadata_directory) if prebuilt_whl: shutil.copy2(prebuilt_whl, wheel_directory) return os.path.basename(prebuilt_whl) return hook(wheel_directory, config_settings, metadata_directory) def get_requires_for_build_sdist(config_settings): """Invoke the optional get_requires_for_build_wheel hook Returns [] if the hook is not defined. """ backend = _build_backend() try: hook = backend.get_requires_for_build_sdist except AttributeError: return [] else: return hook(config_settings) class _DummyException(Exception): """Nothing should ever raise this exception""" class GotUnsupportedOperation(Exception): """For internal use when backend raises UnsupportedOperation""" def __init__(self, traceback): self.traceback = traceback def build_sdist(sdist_directory, config_settings): """Invoke the mandatory build_sdist hook.""" backend = _build_backend() try: return backend.build_sdist(sdist_directory, config_settings) except getattr(backend, 'UnsupportedOperation', _DummyException): raise GotUnsupportedOperation(traceback.format_exc()) HOOK_NAMES = { 'get_requires_for_build_wheel', 'prepare_metadata_for_build_wheel', 'build_wheel', 'get_requires_for_build_editable', 'prepare_metadata_for_build_editable', 'build_editable', 'get_requires_for_build_sdist', 'build_sdist', '_supported_features', } def main(): if len(sys.argv) < 3: sys.exit("Needs args: hook_name, control_dir") hook_name = sys.argv[1] control_dir = sys.argv[2] if hook_name not in HOOK_NAMES: sys.exit("Unknown hook: %s" % hook_name) hook = globals()[hook_name] hook_input = read_json(pjoin(control_dir, 'input.json')) json_out = {'unsupported': False, 'return_val': None} try: json_out['return_val'] = hook(**hook_input['kwargs']) except BackendUnavailable as e: json_out['no_backend'] = True json_out['traceback'] = e.traceback except BackendInvalid as e: json_out['backend_invalid'] = True json_out['backend_error'] = e.message except GotUnsupportedOperation as e: json_out['unsupported'] = True json_out['traceback'] = e.traceback except HookMissing as e: json_out['hook_missing'] = True json_out['missing_hook_name'] = e.hook_name or hook_name write_json(json_out, pjoin(control_dir, 'output.json'), indent=2) if __name__ == '__main__': main() _vendor/pep517/__init__.py 0000644 00000000202 15114542004 0011320 0 ustar 00 """Wrappers to build Python packages using PEP 517 hooks """ __version__ = '0.12.0' from .wrappers import * # noqa: F401, F403 _vendor/pep517/build.py 0000644 00000006601 15114542004 0010671 0 ustar 00 """Build a project using PEP 517 hooks. """ import argparse import io import logging import os import shutil from .envbuild import BuildEnvironment from .wrappers import Pep517HookCaller from .dirtools import tempdir, mkdir_p from .compat import FileNotFoundError, toml_load log = logging.getLogger(__name__) def validate_system(system): """ Ensure build system has the requisite fields. """ required = {'requires', 'build-backend'} if not (required <= set(system)): message = "Missing required fields: {missing}".format( missing=required-set(system), ) raise ValueError(message) def load_system(source_dir): """ Load the build system from a source dir (pyproject.toml). """ pyproject = os.path.join(source_dir, 'pyproject.toml') with io.open(pyproject, 'rb') as f: pyproject_data = toml_load(f) return pyproject_data['build-system'] def compat_system(source_dir): """ Given a source dir, attempt to get a build system backend and requirements from pyproject.toml. Fallback to setuptools but only if the file was not found or a build system was not indicated. """ try: system = load_system(source_dir) except (FileNotFoundError, KeyError): system = {} system.setdefault( 'build-backend', 'setuptools.build_meta:__legacy__', ) system.setdefault('requires', ['setuptools', 'wheel']) return system def _do_build(hooks, env, dist, dest): get_requires_name = 'get_requires_for_build_{dist}'.format(**locals()) get_requires = getattr(hooks, get_requires_name) reqs = get_requires({}) log.info('Got build requires: %s', reqs) env.pip_install(reqs) log.info('Installed dynamic build dependencies') with tempdir() as td: log.info('Trying to build %s in %s', dist, td) build_name = 'build_{dist}'.format(**locals()) build = getattr(hooks, build_name) filename = build(td, {}) source = os.path.join(td, filename) shutil.move(source, os.path.join(dest, os.path.basename(filename))) def build(source_dir, dist, dest=None, system=None): system = system or load_system(source_dir) dest = os.path.join(source_dir, dest or 'dist') mkdir_p(dest) validate_system(system) hooks = Pep517HookCaller( source_dir, system['build-backend'], system.get('backend-path') ) with BuildEnvironment() as env: env.pip_install(system['requires']) _do_build(hooks, env, dist, dest) parser = argparse.ArgumentParser() parser.add_argument( 'source_dir', help="A directory containing pyproject.toml", ) parser.add_argument( '--binary', '-b', action='store_true', default=False, ) parser.add_argument( '--source', '-s', action='store_true', default=False, ) parser.add_argument( '--out-dir', '-o', help="Destination in which to save the builds relative to source dir", ) def main(args): log.warning('pep517.build is deprecated. ' 'Consider switching to https://pypi.org/project/build/') # determine which dists to build dists = list(filter(None, ( 'sdist' if args.source or not args.binary else None, 'wheel' if args.binary or not args.source else None, ))) for dist in dists: build(args.source_dir, dist, args.out_dir) if __name__ == '__main__': main(parser.parse_args()) _vendor/pep517/check.py 0000644 00000013704 15114542004 0010651 0 ustar 00 """Check a project and backend by attempting to build using PEP 517 hooks. """ import argparse import io import logging import os from os.path import isfile, join as pjoin import shutil from subprocess import CalledProcessError import sys import tarfile from tempfile import mkdtemp import zipfile from .colorlog import enable_colourful_output from .compat import TOMLDecodeError, toml_load from .envbuild import BuildEnvironment from .wrappers import Pep517HookCaller log = logging.getLogger(__name__) def check_build_sdist(hooks, build_sys_requires): with BuildEnvironment() as env: try: env.pip_install(build_sys_requires) log.info('Installed static build dependencies') except CalledProcessError: log.error('Failed to install static build dependencies') return False try: reqs = hooks.get_requires_for_build_sdist({}) log.info('Got build requires: %s', reqs) except Exception: log.error('Failure in get_requires_for_build_sdist', exc_info=True) return False try: env.pip_install(reqs) log.info('Installed dynamic build dependencies') except CalledProcessError: log.error('Failed to install dynamic build dependencies') return False td = mkdtemp() log.info('Trying to build sdist in %s', td) try: try: filename = hooks.build_sdist(td, {}) log.info('build_sdist returned %r', filename) except Exception: log.info('Failure in build_sdist', exc_info=True) return False if not filename.endswith('.tar.gz'): log.error( "Filename %s doesn't have .tar.gz extension", filename) return False path = pjoin(td, filename) if isfile(path): log.info("Output file %s exists", path) else: log.error("Output file %s does not exist", path) return False if tarfile.is_tarfile(path): log.info("Output file is a tar file") else: log.error("Output file is not a tar file") return False finally: shutil.rmtree(td) return True def check_build_wheel(hooks, build_sys_requires): with BuildEnvironment() as env: try: env.pip_install(build_sys_requires) log.info('Installed static build dependencies') except CalledProcessError: log.error('Failed to install static build dependencies') return False try: reqs = hooks.get_requires_for_build_wheel({}) log.info('Got build requires: %s', reqs) except Exception: log.error('Failure in get_requires_for_build_sdist', exc_info=True) return False try: env.pip_install(reqs) log.info('Installed dynamic build dependencies') except CalledProcessError: log.error('Failed to install dynamic build dependencies') return False td = mkdtemp() log.info('Trying to build wheel in %s', td) try: try: filename = hooks.build_wheel(td, {}) log.info('build_wheel returned %r', filename) except Exception: log.info('Failure in build_wheel', exc_info=True) return False if not filename.endswith('.whl'): log.error("Filename %s doesn't have .whl extension", filename) return False path = pjoin(td, filename) if isfile(path): log.info("Output file %s exists", path) else: log.error("Output file %s does not exist", path) return False if zipfile.is_zipfile(path): log.info("Output file is a zip file") else: log.error("Output file is not a zip file") return False finally: shutil.rmtree(td) return True def check(source_dir): pyproject = pjoin(source_dir, 'pyproject.toml') if isfile(pyproject): log.info('Found pyproject.toml') else: log.error('Missing pyproject.toml') return False try: with io.open(pyproject, 'rb') as f: pyproject_data = toml_load(f) # Ensure the mandatory data can be loaded buildsys = pyproject_data['build-system'] requires = buildsys['requires'] backend = buildsys['build-backend'] backend_path = buildsys.get('backend-path') log.info('Loaded pyproject.toml') except (TOMLDecodeError, KeyError): log.error("Invalid pyproject.toml", exc_info=True) return False hooks = Pep517HookCaller(source_dir, backend, backend_path) sdist_ok = check_build_sdist(hooks, requires) wheel_ok = check_build_wheel(hooks, requires) if not sdist_ok: log.warning('Sdist checks failed; scroll up to see') if not wheel_ok: log.warning('Wheel checks failed') return sdist_ok def main(argv=None): log.warning('pep517.check is deprecated. ' 'Consider switching to https://pypi.org/project/build/') ap = argparse.ArgumentParser() ap.add_argument( 'source_dir', help="A directory containing pyproject.toml") args = ap.parse_args(argv) enable_colourful_output() ok = check(args.source_dir) if ok: print(ansi('Checks passed', 'green')) else: print(ansi('Checks failed', 'red')) sys.exit(1) ansi_codes = { 'reset': '\x1b[0m', 'bold': '\x1b[1m', 'red': '\x1b[31m', 'green': '\x1b[32m', } def ansi(s, attr): if os.name != 'nt' and sys.stdout.isatty(): return ansi_codes[attr] + str(s) + ansi_codes['reset'] else: return str(s) if __name__ == '__main__': main() _vendor/pep517/colorlog.py 0000644 00000010002 15114542004 0011400 0 ustar 00 """Nicer log formatting with colours. Code copied from Tornado, Apache licensed. """ # Copyright 2012 Facebook # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import logging import sys try: import curses except ImportError: curses = None def _stderr_supports_color(): color = False if curses and hasattr(sys.stderr, 'isatty') and sys.stderr.isatty(): try: curses.setupterm() if curses.tigetnum("colors") > 0: color = True except Exception: pass return color class LogFormatter(logging.Formatter): """Log formatter with colour support """ DEFAULT_COLORS = { logging.INFO: 2, # Green logging.WARNING: 3, # Yellow logging.ERROR: 1, # Red logging.CRITICAL: 1, } def __init__(self, color=True, datefmt=None): r""" :arg bool color: Enables color support. :arg string fmt: Log message format. It will be applied to the attributes dict of log records. The text between ``%(color)s`` and ``%(end_color)s`` will be colored depending on the level if color support is on. :arg dict colors: color mappings from logging level to terminal color code :arg string datefmt: Datetime format. Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``. .. versionchanged:: 3.2 Added ``fmt`` and ``datefmt`` arguments. """ logging.Formatter.__init__(self, datefmt=datefmt) self._colors = {} if color and _stderr_supports_color(): # The curses module has some str/bytes confusion in # python3. Until version 3.2.3, most methods return # bytes, but only accept strings. In addition, we want to # output these strings with the logging module, which # works with unicode strings. The explicit calls to # unicode() below are harmless in python2 but will do the # right conversion in python 3. fg_color = (curses.tigetstr("setaf") or curses.tigetstr("setf") or "") if (3, 0) < sys.version_info < (3, 2, 3): fg_color = str(fg_color, "ascii") for levelno, code in self.DEFAULT_COLORS.items(): self._colors[levelno] = str( curses.tparm(fg_color, code), "ascii") self._normal = str(curses.tigetstr("sgr0"), "ascii") scr = curses.initscr() self.termwidth = scr.getmaxyx()[1] curses.endwin() else: self._normal = '' # Default width is usually 80, but too wide is # worse than too narrow self.termwidth = 70 def formatMessage(self, record): mlen = len(record.message) right_text = '{initial}-{name}'.format(initial=record.levelname[0], name=record.name) if mlen + len(right_text) < self.termwidth: space = ' ' * (self.termwidth - (mlen + len(right_text))) else: space = ' ' if record.levelno in self._colors: start_color = self._colors[record.levelno] end_color = self._normal else: start_color = end_color = '' return record.message + space + start_color + right_text + end_color def enable_colourful_output(level=logging.INFO): handler = logging.StreamHandler() handler.setFormatter(LogFormatter()) logging.root.addHandler(handler) logging.root.setLevel(level) _vendor/pep517/compat.py 0000644 00000002345 15114542004 0011056 0 ustar 00 """Python 2/3 compatibility""" import io import json import sys # Handle reading and writing JSON in UTF-8, on Python 3 and 2. if sys.version_info[0] >= 3: # Python 3 def write_json(obj, path, **kwargs): with open(path, 'w', encoding='utf-8') as f: json.dump(obj, f, **kwargs) def read_json(path): with open(path, 'r', encoding='utf-8') as f: return json.load(f) else: # Python 2 def write_json(obj, path, **kwargs): with open(path, 'wb') as f: json.dump(obj, f, encoding='utf-8', **kwargs) def read_json(path): with open(path, 'rb') as f: return json.load(f) # FileNotFoundError try: FileNotFoundError = FileNotFoundError except NameError: FileNotFoundError = IOError if sys.version_info < (3, 6): from toml import load as _toml_load # noqa: F401 def toml_load(f): w = io.TextIOWrapper(f, encoding="utf8", newline="") try: return _toml_load(w) finally: w.detach() from toml import TomlDecodeError as TOMLDecodeError # noqa: F401 else: from pip._vendor.tomli import load as toml_load # noqa: F401 from pip._vendor.tomli import TOMLDecodeError # noqa: F401 _vendor/pep517/dirtools.py 0000644 00000002151 15114542004 0011425 0 ustar 00 import os import io import contextlib import tempfile import shutil import errno import zipfile @contextlib.contextmanager def tempdir(): """Create a temporary directory in a context manager.""" td = tempfile.mkdtemp() try: yield td finally: shutil.rmtree(td) def mkdir_p(*args, **kwargs): """Like `mkdir`, but does not raise an exception if the directory already exists. """ try: return os.mkdir(*args, **kwargs) except OSError as exc: if exc.errno != errno.EEXIST: raise def dir_to_zipfile(root): """Construct an in-memory zip file for a directory.""" buffer = io.BytesIO() zip_file = zipfile.ZipFile(buffer, 'w') for root, dirs, files in os.walk(root): for path in dirs: fs_path = os.path.join(root, path) rel_path = os.path.relpath(fs_path, root) zip_file.writestr(rel_path + '/', '') for path in files: fs_path = os.path.join(root, path) rel_path = os.path.relpath(fs_path, root) zip_file.write(fs_path, rel_path) return zip_file _vendor/pep517/envbuild.py 0000644 00000013724 15114542004 0011406 0 ustar 00 """Build wheels/sdists by installing build deps to a temporary environment. """ import io import os import logging import shutil from subprocess import check_call import sys from sysconfig import get_paths from tempfile import mkdtemp from .compat import toml_load from .wrappers import Pep517HookCaller, LoggerWrapper log = logging.getLogger(__name__) def _load_pyproject(source_dir): with io.open( os.path.join(source_dir, 'pyproject.toml'), 'rb', ) as f: pyproject_data = toml_load(f) buildsys = pyproject_data['build-system'] return ( buildsys['requires'], buildsys['build-backend'], buildsys.get('backend-path'), ) class BuildEnvironment(object): """Context manager to install build deps in a simple temporary environment Based on code I wrote for pip, which is MIT licensed. """ # Copyright (c) 2008-2016 The pip developers (see AUTHORS.txt file) # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. path = None def __init__(self, cleanup=True): self._cleanup = cleanup def __enter__(self): self.path = mkdtemp(prefix='pep517-build-env-') log.info('Temporary build environment: %s', self.path) self.save_path = os.environ.get('PATH', None) self.save_pythonpath = os.environ.get('PYTHONPATH', None) install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix' install_dirs = get_paths(install_scheme, vars={ 'base': self.path, 'platbase': self.path, }) scripts = install_dirs['scripts'] if self.save_path: os.environ['PATH'] = scripts + os.pathsep + self.save_path else: os.environ['PATH'] = scripts + os.pathsep + os.defpath if install_dirs['purelib'] == install_dirs['platlib']: lib_dirs = install_dirs['purelib'] else: lib_dirs = install_dirs['purelib'] + os.pathsep + \ install_dirs['platlib'] if self.save_pythonpath: os.environ['PYTHONPATH'] = lib_dirs + os.pathsep + \ self.save_pythonpath else: os.environ['PYTHONPATH'] = lib_dirs return self def pip_install(self, reqs): """Install dependencies into this env by calling pip in a subprocess""" if not reqs: return log.info('Calling pip to install %s', reqs) cmd = [ sys.executable, '-m', 'pip', 'install', '--ignore-installed', '--prefix', self.path] + list(reqs) check_call( cmd, stdout=LoggerWrapper(log, logging.INFO), stderr=LoggerWrapper(log, logging.ERROR), ) def __exit__(self, exc_type, exc_val, exc_tb): needs_cleanup = ( self._cleanup and self.path is not None and os.path.isdir(self.path) ) if needs_cleanup: shutil.rmtree(self.path) if self.save_path is None: os.environ.pop('PATH', None) else: os.environ['PATH'] = self.save_path if self.save_pythonpath is None: os.environ.pop('PYTHONPATH', None) else: os.environ['PYTHONPATH'] = self.save_pythonpath def build_wheel(source_dir, wheel_dir, config_settings=None): """Build a wheel from a source directory using PEP 517 hooks. :param str source_dir: Source directory containing pyproject.toml :param str wheel_dir: Target directory to create wheel in :param dict config_settings: Options to pass to build backend This is a blocking function which will run pip in a subprocess to install build requirements. """ if config_settings is None: config_settings = {} requires, backend, backend_path = _load_pyproject(source_dir) hooks = Pep517HookCaller(source_dir, backend, backend_path) with BuildEnvironment() as env: env.pip_install(requires) reqs = hooks.get_requires_for_build_wheel(config_settings) env.pip_install(reqs) return hooks.build_wheel(wheel_dir, config_settings) def build_sdist(source_dir, sdist_dir, config_settings=None): """Build an sdist from a source directory using PEP 517 hooks. :param str source_dir: Source directory containing pyproject.toml :param str sdist_dir: Target directory to place sdist in :param dict config_settings: Options to pass to build backend This is a blocking function which will run pip in a subprocess to install build requirements. """ if config_settings is None: config_settings = {} requires, backend, backend_path = _load_pyproject(source_dir) hooks = Pep517HookCaller(source_dir, backend, backend_path) with BuildEnvironment() as env: env.pip_install(requires) reqs = hooks.get_requires_for_build_sdist(config_settings) env.pip_install(reqs) return hooks.build_sdist(sdist_dir, config_settings) _vendor/pep517/meta.py 0000644 00000004637 15114542004 0010527 0 ustar 00 """Build metadata for a project using PEP 517 hooks. """ import argparse import logging import os import shutil import functools try: import importlib.metadata as imp_meta except ImportError: import importlib_metadata as imp_meta try: from zipfile import Path except ImportError: from zipp import Path from .envbuild import BuildEnvironment from .wrappers import Pep517HookCaller, quiet_subprocess_runner from .dirtools import tempdir, mkdir_p, dir_to_zipfile from .build import validate_system, load_system, compat_system log = logging.getLogger(__name__) def _prep_meta(hooks, env, dest): reqs = hooks.get_requires_for_build_wheel({}) log.info('Got build requires: %s', reqs) env.pip_install(reqs) log.info('Installed dynamic build dependencies') with tempdir() as td: log.info('Trying to build metadata in %s', td) filename = hooks.prepare_metadata_for_build_wheel(td, {}) source = os.path.join(td, filename) shutil.move(source, os.path.join(dest, os.path.basename(filename))) def build(source_dir='.', dest=None, system=None): system = system or load_system(source_dir) dest = os.path.join(source_dir, dest or 'dist') mkdir_p(dest) validate_system(system) hooks = Pep517HookCaller( source_dir, system['build-backend'], system.get('backend-path') ) with hooks.subprocess_runner(quiet_subprocess_runner): with BuildEnvironment() as env: env.pip_install(system['requires']) _prep_meta(hooks, env, dest) def build_as_zip(builder=build): with tempdir() as out_dir: builder(dest=out_dir) return dir_to_zipfile(out_dir) def load(root): """ Given a source directory (root) of a package, return an importlib.metadata.Distribution object with metadata build from that package. """ root = os.path.expanduser(root) system = compat_system(root) builder = functools.partial(build, source_dir=root, system=system) path = Path(build_as_zip(builder)) return imp_meta.PathDistribution(path) parser = argparse.ArgumentParser() parser.add_argument( 'source_dir', help="A directory containing pyproject.toml", ) parser.add_argument( '--out-dir', '-o', help="Destination in which to save the builds relative to source dir", ) def main(): args = parser.parse_args() build(args.source_dir, args.out_dir) if __name__ == '__main__': main() _vendor/pep517/wrappers.py 0000644 00000032165 15114542004 0011441 0 ustar 00 import threading from contextlib import contextmanager import os from os.path import abspath, join as pjoin import shutil from subprocess import check_call, check_output, STDOUT import sys from tempfile import mkdtemp from . import compat from .in_process import _in_proc_script_path __all__ = [ 'BackendUnavailable', 'BackendInvalid', 'HookMissing', 'UnsupportedOperation', 'default_subprocess_runner', 'quiet_subprocess_runner', 'Pep517HookCaller', ] @contextmanager def tempdir(): td = mkdtemp() try: yield td finally: shutil.rmtree(td) class BackendUnavailable(Exception): """Will be raised if the backend cannot be imported in the hook process.""" def __init__(self, traceback): self.traceback = traceback class BackendInvalid(Exception): """Will be raised if the backend is invalid.""" def __init__(self, backend_name, backend_path, message): self.backend_name = backend_name self.backend_path = backend_path self.message = message class HookMissing(Exception): """Will be raised on missing hooks.""" def __init__(self, hook_name): super(HookMissing, self).__init__(hook_name) self.hook_name = hook_name class UnsupportedOperation(Exception): """May be raised by build_sdist if the backend indicates that it can't.""" def __init__(self, traceback): self.traceback = traceback def default_subprocess_runner(cmd, cwd=None, extra_environ=None): """The default method of calling the wrapper subprocess.""" env = os.environ.copy() if extra_environ: env.update(extra_environ) check_call(cmd, cwd=cwd, env=env) def quiet_subprocess_runner(cmd, cwd=None, extra_environ=None): """A method of calling the wrapper subprocess while suppressing output.""" env = os.environ.copy() if extra_environ: env.update(extra_environ) check_output(cmd, cwd=cwd, env=env, stderr=STDOUT) def norm_and_check(source_tree, requested): """Normalise and check a backend path. Ensure that the requested backend path is specified as a relative path, and resolves to a location under the given source tree. Return an absolute version of the requested path. """ if os.path.isabs(requested): raise ValueError("paths must be relative") abs_source = os.path.abspath(source_tree) abs_requested = os.path.normpath(os.path.join(abs_source, requested)) # We have to use commonprefix for Python 2.7 compatibility. So we # normalise case to avoid problems because commonprefix is a character # based comparison :-( norm_source = os.path.normcase(abs_source) norm_requested = os.path.normcase(abs_requested) if os.path.commonprefix([norm_source, norm_requested]) != norm_source: raise ValueError("paths must be inside source tree") return abs_requested class Pep517HookCaller(object): """A wrapper around a source directory to be built with a PEP 517 backend. :param source_dir: The path to the source directory, containing pyproject.toml. :param build_backend: The build backend spec, as per PEP 517, from pyproject.toml. :param backend_path: The backend path, as per PEP 517, from pyproject.toml. :param runner: A callable that invokes the wrapper subprocess. :param python_executable: The Python executable used to invoke the backend The 'runner', if provided, must expect the following: - cmd: a list of strings representing the command and arguments to execute, as would be passed to e.g. 'subprocess.check_call'. - cwd: a string representing the working directory that must be used for the subprocess. Corresponds to the provided source_dir. - extra_environ: a dict mapping environment variable names to values which must be set for the subprocess execution. """ def __init__( self, source_dir, build_backend, backend_path=None, runner=None, python_executable=None, ): if runner is None: runner = default_subprocess_runner self.source_dir = abspath(source_dir) self.build_backend = build_backend if backend_path: backend_path = [ norm_and_check(self.source_dir, p) for p in backend_path ] self.backend_path = backend_path self._subprocess_runner = runner if not python_executable: python_executable = sys.executable self.python_executable = python_executable @contextmanager def subprocess_runner(self, runner): """A context manager for temporarily overriding the default subprocess runner. """ prev = self._subprocess_runner self._subprocess_runner = runner try: yield finally: self._subprocess_runner = prev def _supported_features(self): """Return the list of optional features supported by the backend.""" return self._call_hook('_supported_features', {}) def get_requires_for_build_wheel(self, config_settings=None): """Identify packages required for building a wheel Returns a list of dependency specifications, e.g.:: ["wheel >= 0.25", "setuptools"] This does not include requirements specified in pyproject.toml. It returns the result of calling the equivalently named hook in a subprocess. """ return self._call_hook('get_requires_for_build_wheel', { 'config_settings': config_settings }) def prepare_metadata_for_build_wheel( self, metadata_directory, config_settings=None, _allow_fallback=True): """Prepare a ``*.dist-info`` folder with metadata for this project. Returns the name of the newly created folder. If the build backend defines a hook with this name, it will be called in a subprocess. If not, the backend will be asked to build a wheel, and the dist-info extracted from that (unless _allow_fallback is False). """ return self._call_hook('prepare_metadata_for_build_wheel', { 'metadata_directory': abspath(metadata_directory), 'config_settings': config_settings, '_allow_fallback': _allow_fallback, }) def build_wheel( self, wheel_directory, config_settings=None, metadata_directory=None): """Build a wheel from this project. Returns the name of the newly created file. In general, this will call the 'build_wheel' hook in the backend. However, if that was previously called by 'prepare_metadata_for_build_wheel', and the same metadata_directory is used, the previously built wheel will be copied to wheel_directory. """ if metadata_directory is not None: metadata_directory = abspath(metadata_directory) return self._call_hook('build_wheel', { 'wheel_directory': abspath(wheel_directory), 'config_settings': config_settings, 'metadata_directory': metadata_directory, }) def get_requires_for_build_editable(self, config_settings=None): """Identify packages required for building an editable wheel Returns a list of dependency specifications, e.g.:: ["wheel >= 0.25", "setuptools"] This does not include requirements specified in pyproject.toml. It returns the result of calling the equivalently named hook in a subprocess. """ return self._call_hook('get_requires_for_build_editable', { 'config_settings': config_settings }) def prepare_metadata_for_build_editable( self, metadata_directory, config_settings=None, _allow_fallback=True): """Prepare a ``*.dist-info`` folder with metadata for this project. Returns the name of the newly created folder. If the build backend defines a hook with this name, it will be called in a subprocess. If not, the backend will be asked to build an editable wheel, and the dist-info extracted from that (unless _allow_fallback is False). """ return self._call_hook('prepare_metadata_for_build_editable', { 'metadata_directory': abspath(metadata_directory), 'config_settings': config_settings, '_allow_fallback': _allow_fallback, }) def build_editable( self, wheel_directory, config_settings=None, metadata_directory=None): """Build an editable wheel from this project. Returns the name of the newly created file. In general, this will call the 'build_editable' hook in the backend. However, if that was previously called by 'prepare_metadata_for_build_editable', and the same metadata_directory is used, the previously built wheel will be copied to wheel_directory. """ if metadata_directory is not None: metadata_directory = abspath(metadata_directory) return self._call_hook('build_editable', { 'wheel_directory': abspath(wheel_directory), 'config_settings': config_settings, 'metadata_directory': metadata_directory, }) def get_requires_for_build_sdist(self, config_settings=None): """Identify packages required for building a wheel Returns a list of dependency specifications, e.g.:: ["setuptools >= 26"] This does not include requirements specified in pyproject.toml. It returns the result of calling the equivalently named hook in a subprocess. """ return self._call_hook('get_requires_for_build_sdist', { 'config_settings': config_settings }) def build_sdist(self, sdist_directory, config_settings=None): """Build an sdist from this project. Returns the name of the newly created file. This calls the 'build_sdist' backend hook in a subprocess. """ return self._call_hook('build_sdist', { 'sdist_directory': abspath(sdist_directory), 'config_settings': config_settings, }) def _call_hook(self, hook_name, kwargs): # On Python 2, pytoml returns Unicode values (which is correct) but the # environment passed to check_call needs to contain string values. We # convert here by encoding using ASCII (the backend can only contain # letters, digits and _, . and : characters, and will be used as a # Python identifier, so non-ASCII content is wrong on Python 2 in # any case). # For backend_path, we use sys.getfilesystemencoding. if sys.version_info[0] == 2: build_backend = self.build_backend.encode('ASCII') else: build_backend = self.build_backend extra_environ = {'PEP517_BUILD_BACKEND': build_backend} if self.backend_path: backend_path = os.pathsep.join(self.backend_path) if sys.version_info[0] == 2: backend_path = backend_path.encode(sys.getfilesystemencoding()) extra_environ['PEP517_BACKEND_PATH'] = backend_path with tempdir() as td: hook_input = {'kwargs': kwargs} compat.write_json(hook_input, pjoin(td, 'input.json'), indent=2) # Run the hook in a subprocess with _in_proc_script_path() as script: python = self.python_executable self._subprocess_runner( [python, abspath(str(script)), hook_name, td], cwd=self.source_dir, extra_environ=extra_environ ) data = compat.read_json(pjoin(td, 'output.json')) if data.get('unsupported'): raise UnsupportedOperation(data.get('traceback', '')) if data.get('no_backend'): raise BackendUnavailable(data.get('traceback', '')) if data.get('backend_invalid'): raise BackendInvalid( backend_name=self.build_backend, backend_path=self.backend_path, message=data.get('backend_error', '') ) if data.get('hook_missing'): raise HookMissing(data.get('missing_hook_name') or hook_name) return data['return_val'] class LoggerWrapper(threading.Thread): """ Read messages from a pipe and redirect them to a logger (see python's logging module). """ def __init__(self, logger, level): threading.Thread.__init__(self) self.daemon = True self.logger = logger self.level = level # create the pipe and reader self.fd_read, self.fd_write = os.pipe() self.reader = os.fdopen(self.fd_read) self.start() def fileno(self): return self.fd_write @staticmethod def remove_newline(msg): return msg[:-1] if msg.endswith(os.linesep) else msg def run(self): for line in self.reader: self._write(self.remove_newline(line)) def _write(self, message): self.logger.log(self.level, message) _vendor/pkg_resources/__pycache__/__init__.cpython-39.opt-1.pyc 0000644 00000303714 15114542004 0020416 0 ustar 00 a [��f�� � @ s d Z ddlmZ ddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZddlZddlZddlZddlZddlZddlZddlZddlZddlZddlZddlm Z z ddl Z W n e �y ddl Z Y n0 ze W n e!�y& e"Z Y n0 ddl#m$Z$ ddl%m&Z&m'Z'm(Z( ddlm)Z) z ddlm*Z*m+Z+m,Z, d Z-W n e �y� d Z-Y n0 dd lm.Z/ dd l0m1Z1m2Z2 zddl3m4Z5 e5j6 W n e �y� dZ5Y n0 d dl7m8Z8 ddl#m9Z9 ddl#m:Z: e;d� e;d� e;d� e;d� e<Z=dej> k �r8dk �rDn ne?d��e$j@�rTdZAdZBdZCdZDdZEdZFdZGdZHdZIdZJdZKdZLdZMdZNdZOdZPdZQdZRdZSG dd� deT�ZUdd� ZVi ZWd d � ZXd d � ZYd d!� ZZd"d#� Z[d$d%� Z\d&d'� Z]d(d)� Z^d*d+� Z_Z`d,d-� Zag d.�ZbG d/d0� d0ec�ZdG d1d2� d2ed�ZeG d3d4� d4ee�ZfG d5d6� d6ed�ZgG d7d8� d8ed�Zhi Zid9jjej>� Zkd:Zld;Zmd ZndZod<Zpd=d>� Zqd?d@� Zrg fdAdB�ZsdCdD� ZtdEdF� Zue�vdG�Zwe�vdH�ZxeuZydIdJ� ZzdKdL� Z{e{Z|dMdN� Z}dOdP� Z~d�dQdR�ZdSdT� Z�G dUdV� dV�Z�G dWdX� dXe��Z�G dYdZ� dZ�Z�G d[d\� d\e��Z�G d]d^� d^�Z�e�Z�G d_d`� d`e?�Z�G dadb� db�Z�dcdd� Z�dedf� Z�dgdh� Z�didj� Z�dkdl� Z�dmdn� Z�d�dodp�Z�G dqdr� dr�Z�eqe�e�� G dsdt� dte��Z�G dudv� dve��Z�e���� G dwdx� dxe��Z�e�� Z�G dydz� dze��Z�G d{d|� d|e��Z�G d}d~� d~e��Z�eqe j�e�� G dd�� d�e��Z�G d�d�� d�e��Z�G d�d�� d�e��Z�eXd�i d�� d�d�� Z�d�d�d��Z�d�d�d��Z�e�e j�e�� d�d�d��Z�e�e�e�� d�d�� Z�d�d�d��Z�d�d�� Z�G d�d�� d��Z�d�d�� Z�d�d�� Z�d�d�� Z�d�d�� Z�e�ej�e�� e�e5d���re�e5j�e�� eXd�i d�� eXd�i d�� d�d�� Z�d�d�� Z�d�d�� Z�d�d�� Z�d�d�d��Z�d�d�� Z�e�ej�e�� e�e j�e�� e�e5d���r�e�e5j�e�� d�d�� Z�e�e�e�� d�d�� Z�d�d�� Z�i fd�d��Z�d�d�� Z�d�d�� Z�d�d�� Z�d�d�� Z�e�vd��j�Z�e�vd�ej�ej�B �j�Z�G d�d�� d��Z�d�dÄ Z�d�dń Z�G d�dDŽ dǃZ�G d�dɄ d�eăZ�G d�d˄ d�eăZ�e�e�e�d̜Z�d�d΄ Z�G d�dЄ d�eɃZ�d�d҄ Z�G d�dԄ d�e:j�j̓Z�d�dք Z�d�d Z�d�dڄ Z�d�d܄ Z�d�dބ Z�d�d� Z�e j�d�eUd d� d�d� Z�e�eփ fd�d��Z�e�d�d� �Z�G d�d� d�eكZ�dS )�aZ Package resource API -------------------- A resource is a logical file contained within a package, or a logical subdirectory thereof. 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