관리-도구
편집 파일: resources.cpython-34.pyc
� �Re�$ � @ s� d d l m Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l m Z m Z m Z m Z e j e � Z d a Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z i e e d � 6e e j 6Z y* d d l Z e e e j! <e e e j" <Wn e# e$ f k r�Yn Xd d � Z% i Z& d d � Z' e j( e) d � � Z* d d � Z+ d S)� )�unicode_literalsN� )�DistlibException)�cached_property�get_cache_base�path_to_cache_dir�Cachec s= e Z d Z d � f d d � Z d d � Z d d � Z � S)� ResourceCacheNc sG | d k r- t j j t � t d � � } n t t | � j | � d S)Nzresource-cache)�os�path�joinr �str�superr �__init__)�self�base)� __class__� �8/tmp/pip-ztkk0jow-build/pip/_vendor/distlib/resources.pyr s !zResourceCache.__init__c C s d S)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 j | � \ } } | d k r- | } n� t j j | j | j | � | � } t j j | � } t j j | � s� t j | � n t j j | � s� d } n | j | | � } | r� t | d � � } | j | j � Wd QXn | 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)�__name__� __module__� __qualname__r r r& r r )r r r s r c @ s e Z d Z d d � Z d S)� ResourceBasec C s | | _ | | _ d S)N)r �name)r r r+ r r r r I s zResourceBase.__init__N)r' r( r) r r r r r r* H s r* c @ s^ e Z d Z d Z d Z d d � Z e d d � � Z e d d � � Z e d 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 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_streamV s zResource.as_streamc C s% t d k r t � a n t j | � S)N)�cacher r& )r r r r � file_path_ s zResource.file_pathc C s | j j | � S)N)r � get_bytes)r r r r r! f s zResource.bytesc C s | j j | � S)N)r �get_size)r r r r �sizej s z Resource.sizeN) r' r( r) �__doc__� is_containerr. r r0 r! r3 r r r r r, N s r, c @ s( e Z d Z d Z e d d � � Z d S)�ResourceContainerTc C s | j j | � S)N)r � get_resources)r r r r � resourcesr s zResourceContainer.resourcesN)r' r( r) r5 r r8 r r r r r6 o s r6 c @ s� e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z e e j j � Z d S)�ResourceFinderz4 Resource finder for file system resources. c C sC | | _ t | d d � | _ t j j t | d d � � | _ 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 j | � S)N)r r �realpath)r r r r r � _adjust_path� s zResourceFinder._adjust_pathc C sA | j d � } | j d | j � t j j | � } | j | � S)N�/r )�split�insertr r r r rA )r � resource_name�partsr# r r r � _make_path� s zResourceFinder._make_pathc C s t j j | � S)N)r r r )r r r r r �_find� s zResourceFinder._findc C s d | j f S)N)r )r r r r r r � s z ResourceFinder.get_cache_infoc C sd | j | � } | j | � s' d } n9 | j | � rH t | | � } n t | | � } | | _ | S)N)rG rH � _is_directoryr6 r, r )r rE r r# r r r �find� s zResourceFinder.findc C s t | j d � S)N�rb)r r )r r r r r r- � s zResourceFinder.get_streamc C s) t | j d � � } | j � SWd QXd S)NrK )r r �read)r r r% r r r r1 � s zResourceFinder.get_bytesc C s t j j | j � S)N)r r �getsize)r r r r r r2 � s zResourceFinder.get_sizec s5 d d � � t � f d d � t j | j � D� � S)Nc S s | d k o | j d � S)N� __pycache__�.pyc�.pyo)rO rP )�endswith)r% r r r �allowed� s z-ResourceFinder.get_resources.<locals>.allowedc s" g | ] } � | � r | � q Sr r )�.0r% )rR r r � <listcomp>� s z0ResourceFinder.get_resources.<locals>.<listcomp>)�setr �listdirr )r r r )rR r r7 � s z ResourceFinder.get_resourcesc C s | j | j � S)N)rI r )r r r r r r5 � s zResourceFinder.is_containerN)r' r( r) r4 r rA rG rH r rJ r- r1 r2 r7 r5 � staticmethodr r r rI r r r r r9 w s r9 c s� e Z d Z d Z � f d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z � S)�ZipResourceFinderz6 Resource finder for resources in .zip files. c s t t | � j | � | j j } d t | � | _ t | j d � rY | j j | _ n t j | | _ t | j � | _ d S)Nr �_files) r rX r r? �archive�len� prefix_len�hasattrrY � zipimport�_zip_directory_cache�sorted�index)r r= rZ )r r r r � s zZipResourceFinder.__init__c C s | S)Nr )r r r r r rA � s z ZipResourceFinder._adjust_pathc C s� | | j d � } | | j k r+ d } ns | rT | d t j k rT | t j } n t j | j | � } y | j | j | � } Wn t k r� d } Yn X| s� t j d | | j j � n t j d | | j j � | S)NTr Fz_find failed: %r %rz_find worked: %r %r���) r\ rY r �sep�bisectra � startswith� IndexError�logger�debugr? r" )r r r# �ir r r rH � s zZipResourceFinder._findc C s3 | j j } | j d t | � d � } | | f S)Nr )r? rZ r r[ )r r r" r r r r r � s z ZipResourceFinder.get_cache_infoc C s | j j | j � S)N)r? �get_datar )r r r r r r1 � s zZipResourceFinder.get_bytesc C s t j | j | � � S)N)�io�BytesIOr1 )r r r r r r- � s z ZipResourceFinder.get_streamc C s% | j | j d � } | j | d S)N� )r r\ rY )r r r r r r r2 � s zZipResourceFinder.get_sizec C s� | j | j d � } | r? | d t j k r? | t j 7} n t | � } t � } t j | j | � } xt | t | j � k r� | j | j | � s� Pn | j | | d � } | j | j t j d � d � | d 7} ql W| S)Nr r rb ) r r\ r rc r[ rU rd ra re �addrC )r r r �plenr# ri �sr r r r7 � s z ZipResourceFinder.get_resourcesc C s� | | j d � } | r< | d t j k r< | t j 7} n t j | j | � } y | j | j | � } Wn t k r� d } Yn X| S)Nr Frb )r\ r rc rd ra re rf )r r ri r# r r r rI � s z ZipResourceFinder._is_directory) r' r( r) r4 r rA rH r r1 r- r2 r7 rI r r )r r rX � s rX c C s | t t | � <d S)N)�_finder_registry�type)r? � finder_makerr r r �register_finder s rt c C s� | t k r t | } n� | t j k r5 t | � n t j | } t | d d � } | d k ro t d � � n t | d d � } t j t | � � } | d k r� t d | � � n | | � } | 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_cache�sys�modules� __import__r> r rq r& rr )�packager# r= r r? rs r r r r s r � __dummy__c C sz d } t j | � t j j | � } t j t | � � } | rv t } t j j | d � | _ | | _ | | � } n | 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< ) �pkgutil� get_importerrw �path_importer_cacher& rq rr � _dummy_moduler r r r; r: )r r# r? r r= r r r �finder_for_path, s r� ),� __future__r rd rk �loggingr r| �shutilrw �typesr^ r< r �utilr r r r � getLoggerr' rg r/ r �objectr* r, r6 r9 rX rr � zipimporterrq �_frozen_importlib�SourceFileLoader� FileFinder� ImportError�AttributeErrorrt rv r � ModuleTyper r r� r r r r �<module> sB ",!9M