Your IP : 3.129.71.13
B
:��aD* � @ 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 yPy d dl Z W n e k
�r d dl!Z Y nX ee e j"< ee e j#< ee e j$< [ W n e e%fk
�rV Y nX dd� Z&i Z'dd� Z(e�)e*d��Z+dd� Z,dS )� )�unicode_literalsN� )�DistlibException)�cached_property�get_cache_base�Cachec s. e Zd Zd� fdd� Zdd� Zdd� Z� ZS ) �
ResourceCacheNc s0 |d kr t j�t� td��}tt| ��|� d S )Nzresource-cache)�os�path�joinr �str�superr �__init__)�self�base)� __class__� �B/opt/alt/python37/lib/python3.7/site-packages/distlib/resources.pyr s zResourceCache.__init__c C s dS )z�
Is the cache stale for the given resource?
:param resource: The :class:`Resource` being cached.
:param path: The path of the resource in the cache.
:return: True if the cache is stale.
Tr )r �resourcer
r r r �is_stale" s zResourceCache.is_stalec C s� |j �|�\}}|dkr |}n~tj�| j| �|�|�}tj�|�}tj�|�sXt� |� tj�
|�sjd}n | � ||�}|r�t |d��}|�
|j� W dQ R X |S )z�
Get a resource into the cache,
:param resource: A :class:`Resource` instance.
:return: The pathname of the resource in the cache.
NT�wb)�finder�get_cache_infor r
r r Z
prefix_to_dir�dirname�isdir�makedirs�existsr �open�write�bytes)r r �prefixr
�resultr Zstale�fr r r �get- s
zResourceCache.get)N)�__name__�
__module__� __qualname__r r r# �
__classcell__r r )r r r s r c @ s e Zd Zdd� ZdS )� ResourceBasec C s || _ || _d S )N)r �name)r r r) r r r r H s zResourceBase.__init__N)r$ 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 )N)�cacher r# )r r r r � file_path^ s zResource.file_pathc C s | j �| �S )N)r � get_bytes)r r r r r e s zResource.bytesc C s | j �| �S )N)r �get_size)r r r r �sizei s z
Resource.sizeN)
r$ r% r& �__doc__� is_containerr, r r. r r1 r r r r r* M s r* c @ s e Zd ZdZedd� �ZdS )�ResourceContainerTc C s | j �| �S )N)r �
get_resources)r r r r � resourcesq s zResourceContainer.resourcesN)r$ r% r& r3 r r6 r r r r r4 n s r4 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)z.pycz.pyoz.class)z.pycz.pyoc C s. || _ t|dd �| _tj�t|dd��| _d S )N�
__loader__�__file__� )�module�getattr�loaderr r
r r )r r< r r r r � s zResourceFinder.__init__c C s t j�|�S )N)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 r@ )r �
resource_name�sep�partsr! r r r �
_make_path� s
zResourceFinder._make_pathc C s t j�|�S )N)r r
r )r r
r r r �_find� s zResourceFinder._findc C s
d |j fS )N)r
)r r r r r r � s z ResourceFinder.get_cache_infoc C sD | � |�}| �|�sd }n&| �|�r0t| |�}n
t| |�}||_|S )N)rI rJ �
_is_directoryr4 r* r
)r rF r
r! r r r �find� s
zResourceFinder.findc C s t |jd�S )N�rb)r r
)r r r r r r+ � s zResourceFinder.get_streamc C s t |jd��
}|�� S Q R X d S )NrM )r r
�read)r r r" r r r r/ � s zResourceFinder.get_bytesc C s t j�|j�S )N)r r
�getsize)r r r r r r0 � 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" )rS r r �
<listcomp>� s z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr
)r r r )rS r r r5 � s z ResourceFinder.get_resourcesc C s | � |j�S )N)rK r
)r r r r r r3 � s zResourceFinder.is_containerc c s� | � |�}|d k r�|g}xn|r�|�d�}|V |jr|j}xH|jD ]>}|sP|}nd�||g�}| � |�}|jrz|�|� qB|V qBW qW d S )Nr rB )rL �popr3 r) r6 r �append)r rF r ZtodoZrnamer) �new_nameZchildr r r �iterator� s
zResourceFinder.iteratorN)r$ r% r& r2 �sys�platform�
startswithrR r r@ rI rJ r rL r+ r/ r0 r5 r3 � staticmethodr r
r rK r[ r r r r r7 v s" r7 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
r` r r> �archive�len�
prefix_len�hasattrra � zipimport�_zip_directory_cache�sorted�index)r r< rb )r r r r � s zZipResourceFinder.__init__c C s |S )Nr )r r
r r r r@ � s z ZipResourceFinder._adjust_pathc C s� || j d � }|| jkr d}nX|r:|d tjkr:|tj }t�| j|�}y| 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) rd ra r rG �bisectri r^ �
IndexError�logger�debugr> r )r r
r! �ir r r rJ � s
zZipResourceFinder._findc C s& | j j}|jdt|� d � }||fS )Nr )r> rb r
rc )r r r r
r r r r � s z ZipResourceFinder.get_cache_infoc C s | j �|j�S )N)r> �get_datar
)r r r r r r/ � s zZipResourceFinder.get_bytesc C s t �| �|��S )N)�io�BytesIOr/ )r r r r r r+ � s z ZipResourceFinder.get_streamc C s |j | jd � }| j| d S )N� )r
rd ra )r r r
r r r r0 � s zZipResourceFinder.get_sizec C s� |j | jd � }|r,|d tjkr,|tj7 }t|�}t� }t�| j|�}xV|t| j�k r�| j| �|�sjP | j| |d � }|� |�
tjd�d � |d7 }qJW |S )Nrj r r ) r
rd r rG rc rV rk ri r^ �addrD )r r r
Zplenr! ro �sr r r r5 s
z ZipResourceFinder.get_resourcesc C sj || j d � }|r*|d tjkr*|tj7 }t�| j|�}y| j| �|�}W n tk
rd d}Y nX |S )Nrj F)rd r rG rk ri r^ rl )r r
ro r! r r r rK s
z ZipResourceFinder._is_directory)r$ r% r& r2 r r@ rJ r r/ r+ r0 r5 rK r' r r )r r r` � s r` c C s |t t| �< d S )N)�_finder_registry�type)r> � finder_makerr r r �register_finder2 s ry c C s� | t krt | }nv| tjkr$t| � tj| }t|dd�}|dkrJtd��t|dd�}t�t|��}|dkrxtd| ��||�}|t | < |S )z�
Return a resource finder for a package.
:param package: The name of the package.
:return: A :class:`ResourceFinder` instance for the package.
�__path__Nz8You cannot get a finder for a module, only for a packager9 z Unable to locate finder for %r) �
_finder_cacher\ �modules�
__import__r= r rv r# rw )�packager! r< r
r> rx r r r r 9 s
r Z __dummy__c C sR d}t �| � tj�| �}t�t|��}|rNt}tj �
| d�|_ ||_ ||�}|S )z�
Return a resource finder for a path, which should represent a container.
:param path: The path.
:return: A :class:`ResourceFinder` instance for the path.
Nr; )
�pkgutilZ get_importerr\ �path_importer_cacher# rv rw �
_dummy_moduler r
r r: r9 )r
r! r> r r< r r r �finder_for_pathU s
r� )-Z
__future__r rk rq �loggingr r r\ �typesrf r; r �utilr r r � getLoggerr$ rm r- r �objectr( r* r4 r7 r` rw � zipimporterrv �_frozen_importlib_externalZ_fi� ImportError�_frozen_importlib�SourceFileLoader�
FileFinder�SourcelessFileLoader�AttributeErrorry r{ r �
ModuleTyper r� r� r r r r �<module> sH
,!ZO