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cache.pyc
� �Rec @ s� d Z d d l Z d d l Z d d l Z d d l Z d d l m Z m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z m Z d d l m Z d d l m Z e rd d l m Z m Z m Z m Z m Z d d l m Z d d l m Z n e j e! � Z" d � Z# d e$ f d � � YZ% d e% f d � � YZ& d e& f d � � YZ' d e$ f d � � YZ( d e% f d � � YZ) d S( s Cache Management i����N( t interpreter_namet interpreter_version( t canonicalize_name( t InvalidWheelFilename( t Link( t Wheel( t TempDirectoryt tempdir_kinds( t MYPY_CHECK_RUNNING( t path_to_url( t Optionalt Sett Listt Anyt Dict( t Tag( t FormatControlc C s= t j | d t d d d t �} t j | j d � � j � S( s' Return a stable sha224 of a dictionary.t sort_keyst separatorst ,t :t ensure_asciit ascii( R R ( t jsont dumpst Truet hashlibt sha224t encodet hexdigest( t dt s( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt _hash_dict s !t Cachec B sM e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� 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) c C s� t t | � j � | s2 t j j | � s2 t � | p; d | _ | | _ | | _ d d h } | j j | � | k s} t � d S( Nt sourcet binary( t superR! t __init__t ost patht isabst AssertionErrort Nonet cache_dirt format_controlt allowed_formatst union( t selfR+ R, R- t _valid_formats( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR% / s c C s� | j g } | j d k rO | j d k rO | j d j | j | j g � � n d j | � } t j | j � � j � } | d | d d !| d d !| d g } | S( s� Get parts of part that must be os.path.joined with cache_dir Legacy cache key (pip < 20) for compatibility with older caches. t =t #i i i N( t url_without_fragmentt hash_nameR* t hasht appendt joinR R R R ( R/ t linkt key_partst key_urlt hashedt parts( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt _get_cache_path_parts_legacy: s %(c C s� i | j d 6} | j d k rA | j d k rA | j | | j <n | j rZ | j | d <n t � | d <t � | d <t | � } | d | d d !| d d !| d g } | S( sE Get parts of part that must be os.path.joined with cache_dir t urlt subdirectoryR R i i i N( R3 R4 R* R5 t subdirectory_fragmentR R R ( R/ R8 R9 R; R< ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt _get_cache_path_partsV s (c C s� | j p | p | } | r" g S| j j | � } | j j | � sJ g Sg } | j | � } t j j | � r� x- t j | � D] } | j | | f � q� Wn | j | � } t j j | � r� x- t j | � D] } | j | | f � q� Wn | S( N( R+ R, t get_allowed_formatsR- t intersectiont get_path_for_linkR& R' t isdirt listdirR6 t get_path_for_link_legacy( R/ R8 t canonical_package_namet can_not_cachet formatst candidatesR' t candidatet legacy_path( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt _get_candidatesy s& c C s t � � d S( N( t NotImplementedError( R/ R8 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRG � s c C s t � � d S( s> Return a directory to store cached items in for link. N( RO ( R/ R8 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRD � s c C s t � � d S( sa Returns a link to a cached item if it exists, otherwise returns the passed link. N( RO ( R/ R8 t package_namet supported_tags( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt get� s ( t __name__t __module__t __doc__R% R= RA RN RG RD RR ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR! $ s # t SimpleWheelCachec B s2 e Z d Z d � Z d � Z d � Z d � Z RS( s+ A cache of wheels for future installs. c C s# t t | � j | | d h � d S( NR# ( R$ RV R% ( R/ R+ R, ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR% � s c C s7 | j | � } | j s t � t j j | j d | � S( Nt wheels( R= R+ R) R& R' R7 ( R/ R8 R< ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRG � s c C s7 | j | � } | j s t � t j j | j d | � S( s� 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. RW ( RA R+ R) R& R' R7 ( R/ R8 R< ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRD � s c C s g } | s | St | � } x� | j | | � D]� \ } } y t | � } Wn t k ra q/ n Xt | j � | k r� t j d | | | � q/ n | j | � s� q/ n | j | j | � | | f � q/ W| s� | St | � \ } } } t t t j j | | � � � S( NsW Ignoring cached wheel %s for %s as it does not match the expected distribution name %s.( R RN R R t namet loggert debugt supportedR6 t support_index_mint minR R R& R' R7 ( R/ R8 RP RQ RK RH t wheel_namet wheel_dirt wheelt _( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRR � s2 ( RS RT RU R% RG RD RR ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRV � s t EphemWheelCachec B s e Z d Z d � Z RS( sG A SimpleWheelCache that creates it's own temporary cache directory c C s> t d t j d t � | _ t t | � j | j j | � d S( Nt kindt globally_managed( R R t EPHEM_WHEEL_CACHER t _temp_dirR$ Rb R% R' ( R/ R, ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR% s ( RS RT RU R% ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRb � s t CacheEntryc B s e Z d � Z RS( c C s | | _ | | _ d S( N( R8 t persistent( R/ R8 Rh ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR% s ( RS RT R% ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRg s t WheelCachec B sD e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s� 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. c C sD t t | � j | | d h � t | | � | _ t | � | _ d S( NR# ( R$ Ri R% RV t _wheel_cacheRb t _ephem_cache( R/ R+ R, ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyR% s c C s | j j | � S( N( Rj RG ( R/ R8 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRG ' s c C s | j j | � S( N( Rj RD ( R/ R8 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRD + s c C s | j j | � S( N( Rk RD ( R/ R8 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt get_ephem_path_for_link/ s c C s, | j | | | � } | d k r% | S| j S( N( t get_cache_entryR* R8 ( R/ R8 RP RQ t cache_entry( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRR 3 s c C s~ | j j d | d | d | � } | | k r= t | d t �S| j j d | d | d | � } | | k rz t | d t �Sd S( s� 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. R8 RP RQ Rh N( Rj RR Rg R Rk t FalseR* ( R/ R8 RP RQ t retval( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRm ? s ( RS RT RU R% RG RD Rl RR Rm ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyRi s (* RU R R t loggingR& t pip._vendor.packaging.tagsR R t pip._vendor.packaging.utilsR t pip._internal.exceptionsR t pip._internal.models.linkR t pip._internal.models.wheelR t pip._internal.utils.temp_dirR R t pip._internal.utils.typingR t pip._internal.utils.urlsR t typingR R R R R R t# pip._internal.models.format_controlR t getLoggerRS RY R t objectR! RV Rb Rg Ri ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/cache.pyt <module> s. ( �R
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