관리-도구
편집 파일: file_cache.cpython-35.pyc
��Re9 � @ s� d d l Z d d l Z d d l m Z d d l m Z d d l m Z y e Wn e k rp e e f Z Yn Xd d � Z Gd d � d e � Z d d � Z d S) � N)�dedent� )� BaseCache)�CacheControllerc C s� t j } | t j t j BO} t t d � r9 | t j O} t t d � rU | t j O} y t j | � Wn t t f k r� Yn Xt j | | | � } y t j | d � SWn t j | � � Yn Xd S)N� O_NOFOLLOW�O_BINARY�wb) �os�O_WRONLY�O_CREAT�O_EXCL�hasattrr r �remove�IOError�OSError�open�fdopen�close)�filename�fmode�flags�fd� r ��/builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/cachecontrol/caches/file_cache.py�_secure_open_write s r c @ sm e Z d Z d d d d d d d � Z e d d � � Z d d � Z d d � Z d d � Z d d � Z d S)� FileCacheFi� i� Nc C s� | d k r$ | d k r$ t d � � y$ d d l m } d d l m } Wn* t k rt t d � } t | � � Yn" X| r� | } n | d k r� | } | | _ | | _ | | _ | | _ | | _ d S)Nz/Cannot use use_dir_lock and lock_class togetherr )�LockFile)� MkdirLockFilez� NOTE: In order to use the FileCache you must have lockfile installed. You can install it via pip: pip install lockfile ) � ValueError�lockfiler �lockfile.mkdirlockfiler � ImportErrorr � directory�forever�filemode�dirmode� lock_class) �selfr" r# r$ r% � use_dir_lockr& r r �noticer r r �__init__: s$ zFileCache.__init__c C s t j | j � � j � S)N)�hashlib�sha224�encode� hexdigest)�xr r r r- a s zFileCache.encodec C sB | j | � } t | d d � � | g } t j j | j | � S)N� )r- �listr �path�joinr" )r' �name�hashed�partsr r r �_fne s z FileCache._fnc C sS | j | � } y' t | d � � } | j � SWd QRXWn t k rN d SYn Xd S)N�rb)r7 r �read�FileNotFoundError)r' �keyr4 �fhr r r �getl s z FileCache.getc C s� | j | � } y# t j t j j | � | j � Wn t t f k rL Yn X| j | � �3 } t | j | j � � } | j | � Wd QRXWd QRXd S)N) r7 r �makedirsr2 �dirnamer% r r r& r r$ �write)r' r; �valuer4 �lockr< r r r �setu s #z FileCache.setc C sB | j | � } | j s> y t j | � Wn t k r= Yn Xd S)N)r7 r# r r r: )r' r; r4 r r r �delete� s zFileCache.delete) �__name__� __module__� __qualname__r* � staticmethodr- r7 r= rC rD r r r r r 8 s r c C s t j | � } | j | � S)z\Return the file cache path based on the URL. This does not ensure the file exists! )r � cache_urlr7 )�url� filecacher; r r r �url_to_file_path� s rL )r+ r �textwrapr �cacher � controllerr r: � NameErrorr r r r rL r r r r �<module> s )T