U
.e* @ s d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dl Z d dl
Z
ddl m Z ddl
mZmZmZmZ eeZdaG dd deZG dd d eZG d
d d eZG d d
d
eZG dd deZG dd deZ e dee
j e iZ zFz d dl Z!W n e"k
r$ d dl#Z!Y nX ee e!j$< ee e!j%< [!W n e"e&fk
rX Y nX dd Z'i Z(dd Z)e *e+dZ,dd Z-dS ) )unicode_literalsN )DistlibException)cached_propertyget_cache_basepath_to_cache_dirCachec s. e Zd Zd fdd Zdd Zdd Z ZS )
ResourceCacheNc s0 |d kr t jt td}tt| | d S )Nzresource-cache)ospathjoinr strsuperr __init__)selfbase __class__ A/usr/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 | ||}|rt |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.
NTwb)finderget_cache_infor
r r r Z
prefix_to_dirdirnameisdirmakedirsexistsr openwritebytes)r r prefixr resultr Zstalefr 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 I s zResourceBase.__init__N)r' r( r) r r r r r r+ H 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_streamr r r r as_streamV s zResource.as_streamc C s t d krt a t | S r, )cacher r& r0 r r r file_path_ s zResource.file_pathc C s | j | S r, )r get_bytesr0 r r r r" f s zResource.bytesc C s | j | S r, )r get_sizer0 r r r sizej s z
Resource.sizeN)
r' r( r) __doc__ is_containerr1 r r3 r" r6 r r r r r. N s
r. c @ s e Zd ZdZedd ZdS )ResourceContainerTc C s | j | S r, )r
get_resourcesr0 r r r resourcesr s zResourceContainer.resourcesN)r' r( r) r8 r r; r r r r r9 o s r9 c @ s e Zd ZdZejdr dZndZdd Zdd Z d d
Z
d d Z d
d Z dd Z
dd Zdd Zdd Zdd Zdd ZeejjZdd Zd S ) ResourceFinderz4
Resource finder for file system resources.
java).pyc.pyoz.class)r> r? c C s. || _ t|dd | _tjt|dd| _d S )N
__loader____file__ )modulegetattrloaderr
r r r )r rC r r r r s zResourceFinder.__init__c C s t j|S r, )r
r realpathr r r r r _adjust_path s zResourceFinder._adjust_pathc C sB t |trd}nd}||}|d| j tjj| }| |S )N //r )
isinstancer" splitinsertr r
r r rH )r
resource_nameseppartsr$ r r r
_make_path s
zResourceFinder._make_pathc C s t j|S r, )r
r r rG 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, )rQ rR
_is_directoryr9 r. r )r rN r r$ r r r find s
zResourceFinder.findc C s t |jdS Nrb)r r rS r r r r/ s zResourceFinder.get_streamc
C s, t |jd}| W 5 Q R S Q R X d S rV )r r read)r r r% r r r r4 s zResourceFinder.get_bytesc C s t j|jS r, )r
r getsizerS r r r r5 s zResourceFinder.get_sizec s* fdd t fddt|jD S )Nc s | dko| j S )N __pycache__)endswithskipped_extensions)r% r0 r r allowed s
z-ResourceFinder.get_resources..allowedc s g | ]} |r|qS r r ).0r% )r] r r
s z0ResourceFinder.get_resources..)setr
listdirr rS r )r] r r r: s z ResourceFinder.get_resourcesc C s | |jS r, )rT r rS r r r r8 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 rJ )rU popr8 r- r; r append)r rN r ZtodoZrnamer- new_nameZchildr r r iterator s
zResourceFinder.iteratorN)r' r( r) r7 sysplatform
startswithr\ r rH rQ rR r rU r/ r4 r5 r: r8 staticmethodr
r r rT re r r r r r< w s" r< c s` e Zd ZdZ fddZdd 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| jdr>| jj| _n t j
| | _t | j| _ d S )Nr _files)
r rj r rE archivelen
prefix_lenhasattrrk zipimport_zip_directory_cachesortedindex)r rC rl r r r r s zZipResourceFinder.__init__c C s |S r, r rG r r r rH 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 |st d|| j
j nt d|| j
j |S )NTFz_find failed: %r %rz_find worked: %r %r) rn rk r
rO bisectrs rh
IndexErrorloggerdebugrE r# )r r r$ ir r r rR s
zZipResourceFinder._findc C s& | j j}|jdt| d }||fS )Nr )rE rl r rm )r r r# r r r r r s z ZipResourceFinder.get_cache_infoc C s | j |jS r, )rE get_datar rS r r r r4 s zZipResourceFinder.get_bytesc C s t | |S r, )ioBytesIOr4 rS r r r r/ s z ZipResourceFinder.get_streamc C s |j | jd }| j| d S )N )r rn rk r r r r r5 s zZipResourceFinder.get_sizec C s |j | jd }|r,|d tjkr,|tj7 }t|}t }t| j|}|t| jk r| j| |shq| j| |d }| |
tjdd |d7 }qH|S )Nrt r r ) r rn r
rO rm r` ru rs rh addrL )r r r Zplenr$ ry 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 )Nrt F)rn r
rO ru rs rh rv )r r ry r$ r r r rT s
z ZipResourceFinder._is_directory)r' r( r) r7 r rH rR r r4 r/ r5 r: rT r* r r r r rj s rj c C s |t t| < d S r, )_finder_registrytype)rE finder_makerr r r register_finder0 s r c C s | t krt | }nv| tjkr$t| tj| }t|dd}|dkrJtdt|dd}tt|}|dkrxtd| ||}|t | < |S )z
Return a resource finder for a package.
:param package: The name of the package.
:return: A :class:`ResourceFinder` instance for the package.
__path__Nz8You cannot get a finder for a module, only for a packager@ z Unable to locate finder for %r)
_finder_cacherf modules
__import__rD r r r& r )packager$ rC r rE r r r r r 6 s
r Z __dummy__c C sR d}t | tj| }tt|}|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.
NrB )
pkgutilZ get_importerrf path_importer_cacher& r r
_dummy_moduler
r r rA r@ )r r$ rE r rC r r r finder_for_pathR s
r ).Z
__future__r ru r{ Zloggingr
r Zshutilrf typesrp rB r utilr r r r Z getLoggerr' rw r2 r objectr+ r. r9 r< rj r zipimporterr _frozen_importlib_externalZ_fi ImportError_frozen_importlibSourceFileLoader
FileFinderAttributeErrorr r r
ModuleTyper
r r r r r r sN
,!ZN