U
    +|jH#  ã                   @   sN  d 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m	Z	m
Z
 ddlmZ ddlmZ ddlmZmZmZmZ ddlmZ e e¡Zee ZzddlZee7 ZW n ek
rÈ   e d¡ Y nX zddlZee7 ZW n ek
rü   e d	¡ Y nX d
d„ Zdd„ Zdd„ Zdd„ Z dd„ Z!dd„ Z"ddd„Z#dd„ Z$ddd„Z%dS )zUtilities related archives.
é    N)ÚIterableÚListÚOptional)ÚZipInfo)ÚInstallationError)ÚBZ2_EXTENSIONSÚTAR_EXTENSIONSÚXZ_EXTENSIONSÚZIP_EXTENSIONS)Ú
ensure_dirzbz2 module is not availablezlzma module is not availablec                  C   s   t  d¡} t  | ¡ | S )zBGet the current umask which involves having to set it temporarily.r   )ÚosÚumask)Úmask© r   úeC:\Users\snmko\Desktop\web_content\django_cbt\venv\Lib\site-packages\pip/_internal/utils/unpacking.pyÚcurrent_umask+   s    

r   c                 C   sh   |   d¡  d¡} d| krHd| kr4|  d¡|  d¡k s<d| krH|  dd¡S d| kr\|  dd¡S | dgS d S )Nú/ú\é   Ú )ÚlstripÚfindÚsplit©Úpathr   r   r   Úsplit_leading_dir3   s    ÿÿÿr   c                 C   sD   d}| D ]6}t |ƒ\}}|s" dS |dkr0|}q||kr dS qdS )zyReturns true if all the paths have the same leading path name
    (i.e., everything is in one subdirectory in an archive)NFT)r   )ÚpathsÚcommon_prefixr   ÚprefixÚrestr   r   r   Úhas_leading_dir@   s    r    c                 C   s0   t j | ¡}t j |¡}t j ||g¡}||kS )zL
    Return true if the absolute path of target is within the directory
    )r   r   ÚabspathÚcommonprefix)Ú	directoryÚtargetÚabs_directoryÚ
abs_targetr   r   r   r   Úis_within_directoryP   s    r'   c                 C   s   t  | dtƒ  @ dB ¡ dS )zx
    Make file present at path have execute for user/group/world
    (chmod +x) is no-op on windows per python docs
    iÿ  éI   N)r   Úchmodr   r   r   r   r   Ú2set_extracted_file_to_default_mode_plus_executable\   s    r*   c                 C   s$   | j d? }t|o t |¡o |d@ ƒS )Né   r(   )Úexternal_attrÚboolÚstatÚS_ISREG)ÚinfoÚmoder   r   r   Úzip_item_is_executablee   s    
r2   Tc              
   C   s  t |ƒ t| dƒ}zøtj|dd�}t| ¡ ƒo0|}| ¡ D ]Ì}|j}|}|rXt	|ƒd }t
j ||¡}t
j |¡}	t||ƒs’d}
t|
 | ||¡ƒ‚| d¡s¦| d¡r°t |ƒ q:t |	ƒ | |¡}z&t|dƒ�}t ||¡ W 5 Q R X W 5 | ¡  t|ƒ�rt|ƒ X q:W 5 | ¡  X d	S )
aŸ  
    Unzip the file (with path `filename`) to the destination `location`.  All
    files are written based on system defaults and umask (i.e. permissions are
    not preserved), except that regular file members with any execute
    permissions (user, group, or world) have "chmod +x" applied after being
    written. Note that for windows, any execute changes using os.chmod are
    no-ops per the python docs.
    ÚrbT)Ú
allowZip64r   zQThe zip file ({}) has a file ({}) trying to install outside target directory ({})r   r   ÚwbN)r   ÚopenÚcloseÚzipfileÚZipFiler    ÚnamelistÚinfolistÚfilenamer   r   r   ÚjoinÚdirnamer'   r   ÚformatÚendswithr2   r*   ÚshutilÚcopyfileobj)r<   ÚlocationÚflattenÚzipfpÚzipÚleadingr0   ÚnameÚfnÚdirÚmessageÚfpÚdestfpr   r   r   Ú
unzip_filem   s6    


ÿ


rN   c                 C   s*  t |ƒ |  ¡  d¡s$|  ¡  d¡r*d}nL|  ¡  t¡r>d}n8|  ¡  t¡rRd}n$|  ¡  d¡rfd}nt d| ¡ d	}t | |¡}�z–t
d
d„ | ¡ D ƒƒ}| ¡ D �]p}|j}|rÀt|ƒd }tj ||¡}t||ƒsîd}t| | ||¡ƒ‚| ¡ �rt |ƒ q¤| ¡ �r^z| ||¡ W n> tk
�rZ }	 zt d| |j|	¡ W Y ¢q¤W 5 d}	~	X Y nX q¤z| |¡}
W nB ttfk
�r® }	 zt d| |j|	¡ W Y ¢q¤W 5 d}	~	X Y nX t tj |¡ƒ |
dk	�sÎt‚t|dƒ�}t |
|¡ W 5 Q R X |
 	¡  | ||¡ |j d@ r¤t!|ƒ q¤W 5 | 	¡  X dS )aŸ  
    Untar the file (with path `filename`) to the destination `location`.
    All files are written based on system defaults and umask (i.e. permissions
    are not preserved), except that regular file members with any execute
    permissions (user, group, or world) have "chmod +x" applied after being
    written.  Note that for windows, any execute changes using os.chmod are
    no-ops per the python docs.
    z.gzz.tgzzr:gzzr:bz2zr:xzz.tarÚrz-Cannot determine compression type for file %szr:*c                 S   s   g | ]
}|j ‘qS r   )rH   )Ú.0Úmemberr   r   r   Ú
<listcomp>·   s     zuntar_file.<locals>.<listcomp>r   zQThe tar file ({}) has a file ({}) trying to install outside target directory ({})z/In the tar file %s the member %s is invalid: %sNr5   r(   )"r   Úlowerr@   r   r	   ÚloggerÚwarningÚtarfiler6   r7   r    Ú
getmembersrH   r   r   r   r=   r'   r   r?   ÚisdirÚissymÚ_extract_memberÚ	ExceptionÚextractfileÚKeyErrorÚAttributeErrorr>   ÚAssertionErrorrA   rB   Úutimer1   r*   )r<   rC   r1   ÚtarrG   rQ   rI   r   rK   ÚexcrL   rM   r   r   r   Ú
untar_fileœ   st    
þ
ÿ


üü
rc   c                 C   sš   t j | ¡} |dks,|  ¡  t¡s,t | ¡rDt| ||  d¡ d� nR|dkslt	 
| ¡sl|  ¡  tt t ¡rxt| |ƒ nt d| ||¡ td|› �ƒ‚d S )Nzapplication/zipz.whl)rD   zapplication/x-gzipzZCannot unpack file %s (downloaded from %s, content-type: %s); cannot detect archive formatz#Cannot determine archive format of )r   r   ÚrealpathrS   r@   r
   r8   Ú
is_zipfilerN   rV   Ú
is_tarfiler   r   r	   rc   rT   Úcriticalr   )r<   rC   Úcontent_typer   r   r   Úunpack_fileî   s,    ÿþýÿþýûri   )T)N)&Ú__doc__Úloggingr   rA   r.   rV   r8   Útypingr   r   r   r   Úpip._internal.exceptionsr   Úpip._internal.utils.filetypesr   r   r	   r
   Úpip._internal.utils.miscr   Ú	getLoggerÚ__name__rT   ÚSUPPORTED_EXTENSIONSÚbz2ÚImportErrorÚdebugÚlzmar   r   r    r'   r*   r2   rN   rc   ri   r   r   r   r   Ú<module>   sB   
	
/U ý