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편집 파일: resources.cpython-38.pyc
U &?�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 zPz d dl Z W n e k �r d dl!Z Y nX ee e j"< ee e j#< ee e j$< [ W n e e%fk �rV Y nX 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 kr t j�t� td��}tt| ��|� d S )Nzresource-cache)�os�path�joinr �str�superr �__init__)�self�base�� __class__� �K/opt/hc_python/lib/python3.8/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. Tr �r �resourcer r r r �is_stale" s zResourceCache.is_stalec C s� |j �|�\}}|dkr |}n~tj�| j| �|�|�}tj�|�}tj�|�sXt� |� tj� |�sjd}n | � ||�}|r�t |d��}|� |j� W 5 Q R X |S )z� Get a resource into the cache, :param resource: A :class:`Resource` instance. :return: The pathname of the resource in the cache. NT�wb)�finder�get_cache_infor r r r � prefix_to_dir�dirname�isdir�makedirs�existsr �open�write�bytes)r r �prefixr �resultr �stale�fr r r �get- s zResourceCache.get)N)�__name__� __module__� __qualname__r r r' � __classcell__r r r r r s r c @ s e Zd Zdd� ZdS )� ResourceBasec C s || _ || _d S �N)r �name)r r r. r r r r H s zResourceBase.__init__N)r( r) r* r r r r r r, G s r, c @ s@ e Zd ZdZdZdd� Zedd� �Zedd� �Zed d � �Z d S ) �Resourcez� 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. Fc C s | j �| �S )z� Get the resource as a stream. 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 krt� a t �| �S r- )�cacher r' r1 r r r � file_path^ s zResource.file_pathc C s | j �| �S r- )r � get_bytesr1 r r r r" e s zResource.bytesc C s | j �| �S r- )r �get_sizer1 r r r �sizei s z Resource.sizeN) r( r) r* �__doc__� is_containerr2 r r4 r" r7 r r r r r/ M s r/ c @ s e Zd ZdZedd� �ZdS )�ResourceContainerTc C s | j �| �S r- )r � get_resourcesr1 r r r � resourcesq s zResourceContainer.resourcesN)r( r) r* r9 r r< r r r r r: n s r: 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 rD 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 rI )r � resource_name�sep�partsr$ r r r � _make_path� s zResourceFinder._make_pathc C s t j�|�S r- )r r r rH 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- )rR rS � _is_directoryr: r/ r )r rO r r$ r r r �find� s zResourceFinder.findc C s t |jd�S �N�rb)r r rT r r r r0 � s zResourceFinder.get_streamc C s, t |jd��}|�� W 5 Q R � S Q R X d S rW )r r �read)r r r& r r r r5 � s zResourceFinder.get_bytesc C s t j�|j�S r- )r r �getsizerT r r r r6 � s zResourceFinder.get_sizec s* �fdd�� t � fdd�t�|j�D ��S )Nc s | dko| � � j� S )N� __pycache__)�endswith�skipped_extensions)r& r1 r r �allowed� s �z-ResourceFinder.get_resources.<locals>.allowedc s g | ]}� |�r|�qS r r )�.0r& )r^ r r � <listcomp>� s z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr rT r )r^ r r r; � s z ResourceFinder.get_resourcesc C s | � |j�S r- )rU r rT r r r r9 � s zResourceFinder.is_containerc c s� | � |�}|d k r�|g}|r�|�d�}|V |jr|j}|jD ]>}|sL|}nd�||g�}| � |�}|jrv|�|� q>|V q>qd S )Nr rK )rV �popr9 r. r< r �append)r rO r �todo�rnamer. �new_name�childr r r �iterator� s zResourceFinder.iteratorN)r( r) r* r8 �sys�platform� startswithr] r rI rR rS r rV r0 r5 r6 r; r9 � staticmethodr r r rU ri 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 rn r rF �archive�len� prefix_len�hasattrro � zipimport�_zip_directory_cache�sorted�index)r rD rp r r r r � s zZipResourceFinder.__init__c C s |S r- r rH r r r rI � s z ZipResourceFinder._adjust_pathc C s� || j d � }|| jkr d}nX|r:|d tjkr:|tj }t�| j|�}z| j| �|�}W n tk rt d}Y nX |s�t� d|| j j � nt� d|| j j � |S )NT���Fz_find failed: %r %rz_find worked: %r %r) rr ro r rP �bisectrw rl � IndexError�logger�debugrF r# )r r r$ �ir r r rS � s zZipResourceFinder._findc C s& | j j}|jdt|� d � }||fS )Nr )rF rp r rq )r r r# r r r r r � s z ZipResourceFinder.get_cache_infoc C s | j �|j�S r- )rF �get_datar rT r r r r5 � s zZipResourceFinder.get_bytesc C s t �| �|��S r- )�io�BytesIOr5 rT r r r r0 � s z ZipResourceFinder.get_streamc C s |j | jd � }| j| d S )N� )r rr ro r r r r r6 � 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 )Nrx r r ) r rr r rP rq ra ry rw rl �addrM )r r r �plenr$ r} �sr r r r; s z ZipResourceFinder.get_resourcesc C sj || j d � }|r*|d tjkr*|tj7 }t�| j|�}z| j| �|�}W n tk rd d}Y nX |S )Nrx F)rr r rP ry rw rl rz )r r r} r$ r r r rU s z ZipResourceFinder._is_directory)r( r) r* r8 r rI rS r r5 r0 r6 r; rU r+ r r r r rn � s rn c C s |t t| �< d S r- )�_finder_registry�type)rF � finder_makerr r r �register_finder2 s r� c C s� | t krt | }nv| tjkr$t| � tj| }t|dd�}|dkrJtd��t|dd�}t�t|��}|dkrxtd| ��||�}|t | < |S )z� Return a resource finder for a package. :param package: The name of the package. :return: A :class:`ResourceFinder` instance for the package. �__path__Nz8You cannot get a finder for a module, only for a packagerA z Unable to locate finder for %r) � _finder_cacherj �modules� __import__rE r r� r' r� )�packager$ rD r rF r� r r r r 9 s r � __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. NrC ) �pkgutil� get_importerrj �path_importer_cacher' r� r� � _dummy_moduler r r rB rA )r r$ rF r rD r r r �finder_for_pathU s r� )-� __future__r ry r �loggingr r� rj �typesrt rC r �utilr r r � getLoggerr( r{ r3 r �objectr, r/ r: r= rn r� � zipimporterr� �_frozen_importlib_externalZ_fi� ImportError�_frozen_importlib�SourceFileLoader� FileFinder�SourcelessFileLoader�AttributeErrorr� r� r � ModuleTyper r� r� r r r r �<module> sN ,!ZO �