U
    ÐvagD*  ã                	   @   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
mZ ddlmZmZmZ e e¡ZdaG dd„ deƒZG dd	„ d	eƒZG d
d„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZedƒee	jeiZzPzd dlZW n e k
�r   d dl!ZY nX eeej"< eeej#< eeej$< [W n e e%fk
�rV   Y nX dd„ Z&i Z'dd„ Z(e )e*dƒ¡Z+dd„ Z,dS )é    )Úunicode_literalsNé   )ÚDistlibException)Úcached_propertyÚget_cache_baseÚCachec                       s.   e Zd Zd‡ fdd„	Zdd„ Zdd„ Z‡  ZS )	ÚResourceCacheNc                    s0   |d krt j tƒ tdƒ¡}tt| ƒ |¡ d S )Nzresource-cache)ÚosÚpathÚjoinr   ÚstrÚsuperr   Ú__init__)ÚselfÚbase©Ú	__class__© úQ/var/www/html/myvenv/lib/python3.8/site-packages/pip/_vendor/distlib/resources.pyr      s    zResourceCache.__init__c                 C   s   dS )zã
        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   Úresourcer
   r   r   r   Úis_stale"   s    	zResourceCache.is_stalec              	   C   s    |j  |¡\}}|dkr|}n~tj | j|  |¡|¡}tj |¡}tj |¡sXt 	|¡ tj 
|¡sjd}n|  ||¡}|rœt|dƒ�}| |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.
        NTÚwb)ÚfinderÚget_cache_infor	   r
   r   r   Zprefix_to_dirÚdirnameÚisdirÚmakedirsÚexistsr   ÚopenÚwriteÚbytes)r   r   Úprefixr
   Úresultr   ZstaleÚfr   r   r   Úget-   s    
zResourceCache.get)N)Ú__name__Ú
__module__Ú__qualname__r   r   r%   Ú__classcell__r   r   r   r   r      s   r   c                   @   s   e Zd Zdd„ ZdS )ÚResourceBasec                 C   s   || _ || _d S ©N)r   Úname)r   r   r,   r   r   r   r   H   s    zResourceBase.__init__N)r&   r'   r(   r   r   r   r   r   r*   G   s   r*   c                   @   s@   e Zd ZdZdZdd„ Zedd„ ƒZedd„ ƒZed	d
„ ƒZ	dS )ÚResourcezÇ
    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   Ú
get_stream©r   r   r   r   Ú	as_streamU   s    zResource.as_streamc                 C   s   t d krtƒ a t  | ¡S r+   )Úcacher   r%   r/   r   r   r   Ú	file_path^   s    zResource.file_pathc                 C   s   | j  | ¡S r+   )r   Ú	get_bytesr/   r   r   r   r!   e   s    zResource.bytesc                 C   s   | j  | ¡S r+   )r   Úget_sizer/   r   r   r   Úsizei   s    zResource.sizeN)
r&   r'   r(   Ú__doc__Úis_containerr0   r   r2   r!   r5   r   r   r   r   r-   M   s   	

r-   c                   @   s   e Zd ZdZedd„ ƒZdS )ÚResourceContainerTc                 C   s   | j  | ¡S r+   )r   Úget_resourcesr/   r   r   r   Ú	resourcesq   s    zResourceContainer.resourcesN)r&   r'   r(   r7   r   r:   r   r   r   r   r8   n   s   r8   c                   @   s’   e Zd ZdZej d¡rdZn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ƒZdd„ ZdS )ÚResourceFinderz4
    Resource finder for file system resources.
    Újava)ú.pycú.pyoz.class)r=   r>   c                 C   s.   || _ t|dd ƒ| _tj t|ddƒ¡| _d S )NÚ
__loader__Ú__file__Ú )ÚmoduleÚgetattrÚloaderr	   r
   r   r   )r   rB   r   r   r   r   €   s    zResourceFinder.__init__c                 C   s   t j |¡S r+   )r	   r
   Úrealpath©r   r
   r   r   r   Ú_adjust_path…   s    zResourceFinder._adjust_pathc                 C   sB   t |tƒrd}nd}| |¡}| d| j¡ tjj|Ž }|  |¡S )Nó   /ú/r   )	Ú
isinstancer!   ÚsplitÚinsertr   r	   r
   r   rG   )r   Úresource_nameÚsepÚpartsr#   r   r   r   Ú
_make_pathˆ   s    

zResourceFinder._make_pathc                 C   s   t j |¡S r+   )r	   r
   r   rF   r   r   r   Ú_find”   s    zResourceFinder._findc                 C   s
   d |j fS r+   )r
   ©r   r   r   r   r   r   —   s    zResourceFinder.get_cache_infoc                 C   sD   |   |¡}|  |¡sd }n&|  |¡r0t| |ƒ}n
t| |ƒ}||_|S r+   )rP   rQ   Ú_is_directoryr8   r-   r
   )r   rM   r
   r#   r   r   r   Úfindš   s    



zResourceFinder.findc                 C   s   t |jdƒS ©NÚrb)r   r
   rR   r   r   r   r.   ¦   s    zResourceFinder.get_streamc              
   C   s,   t |jdƒ�}| ¡ W  5 Q R £ S Q R X d S rU   )r   r
   Úread)r   r   r$   r   r   r   r3   ©   s    zResourceFinder.get_bytesc                 C   s   t j |j¡S r+   )r	   r
   ÚgetsizerR   r   r   r   r4   ­   s    zResourceFinder.get_sizec                    s*   ‡fdd„‰ t ‡ fdd„t |j¡D ƒƒS )Nc                    s   | dko|   ˆ j¡ S )NÚ__pycache__)ÚendswithÚskipped_extensions)r$   r/   r   r   Úallowed±   s    
ÿz-ResourceFinder.get_resources.<locals>.allowedc                    s   g | ]}ˆ |ƒr|‘qS r   r   )Ú.0r$   )r\   r   r   Ú
<listcomp>´   s      z0ResourceFinder.get_resources.<locals>.<listcomp>)Úsetr	   Úlistdirr
   rR   r   )r\   r   r   r9   °   s    zResourceFinder.get_resourcesc                 C   s   |   |j¡S r+   )rS   r
   rR   r   r   r   r7   ¶   s    zResourceFinder.is_containerc                 c   s„   |   |¡}|d k	r€|g}|r€| d¡}|V  |jr|j}|jD ]>}|sL|}nd ||g¡}|   |¡}|jrv| |¡ q>|V  q>qd S )Nr   rI   )rT   Úpopr7   r,   r:   r   Úappend)r   rM   r   ÚtodoZrnamer,   Únew_nameÚchildr   r   r   Úiterator»   s     



zResourceFinder.iteratorN)r&   r'   r(   r6   ÚsysÚplatformÚ
startswithr[   r   rG   rP   rQ   r   rT   r.   r3   r4   r9   r7   Ústaticmethodr	   r
   r   rS   rf   r   r   r   r   r;   v   s"   r;   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‡  ZS )ÚZipResourceFinderz6
    Resource finder for resources in .zip files.
    c                    sZ   t t| ƒ |¡ | jj}dt|ƒ | _t| jdƒr>| jj| _nt	j
| | _t| jƒ| _d S )Nr   Ú_files)r   rk   r   rD   ÚarchiveÚlenÚ
prefix_lenÚhasattrrl   Ú	zipimportÚ_zip_directory_cacheÚsortedÚindex)r   rB   rm   r   r   r   r   Ô   s    zZipResourceFinder.__init__c                 C   s   |S r+   r   rF   r   r   r   rG   ß   s    zZipResourceFinder._adjust_pathc                 C   s¤   || j d … }|| jkrd}nX|r:|d tjkr:|tj }t | j|¡}z| j|  |¡}W n tk
rt   d}Y nX |sŽt 	d|| j
j¡ nt 	d|| j
j¡ |S )NTéÿÿÿÿFz_find failed: %r %rz_find worked: %r %r)ro   rl   r	   rN   Úbisectrt   ri   Ú
IndexErrorÚloggerÚdebugrD   r"   )r   r
   r#   Úir   r   r   rQ   â   s    


zZipResourceFinder._findc                 C   s&   | j j}|jdt|ƒ d … }||fS )Nr   )rD   rm   r
   rn   )r   r   r"   r
   r   r   r   r   ô   s    z ZipResourceFinder.get_cache_infoc                 C   s   | j  |j¡S r+   )rD   Úget_datar
   rR   r   r   r   r3   ù   s    zZipResourceFinder.get_bytesc                 C   s   t  |  |¡¡S r+   )ÚioÚBytesIOr3   rR   r   r   r   r.   ü   s    zZipResourceFinder.get_streamc                 C   s   |j | jd … }| j| d S )Né   )r
   ro   rl   r   r   r   r   r4   ÿ   s    zZipResourceFinder.get_sizec                 C   s    |j | jd … }|r,|d tjkr,|tj7 }t|ƒ}tƒ }t | j|¡}|t| jƒk rœ| j|  |¡shqœ| j| |d … }| 	| 
tjd¡d ¡ |d7 }qH|S )Nru   r   r   )r
   ro   r	   rN   rn   r_   rv   rt   ri   ÚaddrK   )r   r   r
   Úplenr#   rz   Úsr   r   r   r9     s    

zZipResourceFinder.get_resourcesc                 C   sj   || j d … }|r*|d tjkr*|tj7 }t | j|¡}z| j|  |¡}W n tk
rd   d}Y nX |S )Nru   F)ro   r	   rN   rv   rt   ri   rw   )r   r
   rz   r#   r   r   r   rS     s    

zZipResourceFinder._is_directory)r&   r'   r(   r6   r   rG   rQ   r   r3   r.   r4   r9   rS   r)   r   r   r   r   rk   Ð   s   rk   c                 C   s   |t t| ƒ< d S r+   )Ú_finder_registryÚtype)rD   Úfinder_makerr   r   r   Úregister_finder2  s    r…   c                 C   sŒ   | t krt |  }nv| tjkr$t| ƒ tj|  }t|ddƒ}|dkrJtdƒ‚t|ddƒ}t t|ƒ¡}|dkrxtd|  ƒ‚||ƒ}|t | < |S )zŸ
    Return a resource finder for a package.
    :param package: The name of the package.
    :return: A :class:`ResourceFinder` instance for the package.
    Ú__path__Nz8You cannot get a finder for a module, only for a packager?   zUnable to locate finder for %r)	Ú_finder_cacherg   ÚmodulesÚ
__import__rC   r   r‚   r%   rƒ   )Úpackager#   rB   r
   rD   r„   r   r   r   r   9  s    


r   Z	__dummy__c                 C   sR   d}t  | ¡ tj | ¡}t t|ƒ¡}|rNt}tj	 
| d¡|_||_||ƒ}|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.
    NrA   )ÚpkgutilZget_importerrg   Úpath_importer_cacher%   r‚   rƒ   Ú_dummy_moduler	   r
   r   r@   r?   )r
   r#   rD   r   rB   r   r   r   Úfinder_for_pathU  s    
rŽ   )-Ú
__future__r   rv   r|   Úloggingr	   r‹   rg   Útypesrq   rA   r   Úutilr   r   r   Ú	getLoggerr&   rx   r1   r   Úobjectr*   r-   r8   r;   rk   rƒ   Úzipimporterr‚   Ú_frozen_importlib_externalZ_fiÚImportErrorÚ_frozen_importlibÚSourceFileLoaderÚ
FileFinderÚSourcelessFileLoaderÚAttributeErrorr…   r‡   r   Ú
ModuleTyper   r�   rŽ   r   r   r   r   Ú<module>   sN   
,!ZO  þ


