U
    dp                     @  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	m
Z
 d dlmZmZ d dlmZmZmZ d dlmZ d dlmZmZmZ edejZd	Zdd
dZG dd deZdS )    )annotationsN)OrderedDict)StringIOTextIOWrapper)ZIP_DEFLATEDZipFileZipInfo)
WheelError)logurlsafe_b64decodeurlsafe_b64encodez^(?P<namever>(?P<name>[^\s-]+?)-(?P<ver>[^\s-]+?))(-(?P<build>\d[^\s-]*))?
     -(?P<pyver>[^\s-]+?)-(?P<abi>[^\s-]+?)-(?P<plat>\S+)\.whl$i c                 C  s6   t tjd| pt } t| t} t| dd S )NSOURCE_DATE_EPOCHr      )intosenvirongettimemaxMINIMUM_TIMESTAMPgmtime)	timestamp r   3/tmp/pip-unpacked-wheel-v7gjrrul/wheel/wheelfile.pyget_zipinfo_datetime   s    
r   c                   @  sR   e Zd ZdZejZdefddZdddZ	dd	 Z
dd
dZdddZdd ZdS )	WheelFilezA ZipFile derivative class that also reads SHA-256 hashes from
    .dist-info/RECORD and checks any read files against those.
    rc              
   C  s  t j|}t|| _|dr,| jd kr:td|tj	| |||dd d
| jd| _| jd | _t | _i | _|dkrd	| j| j< d	| j| jd
 < d	| j| jd < z| | j}W n& tk
r   td| j dY nX | tt|dddD ]}|\}}}	|sq|d\}
}zt|
 W n$ tk
r\   td|
 Y nX |
 dkrztd
|
|
t|df| j|< qW 5 Q R X d S )Nz.whlzBad wheel filename T)compression
allowZip64z{}.dist-infoZnameverz/RECORDr   )NNz.jwsz.p7szMissing z file utf-8)newlineencoding=zUnsupported hash algorithm: >   sha1md5z4Weak hash algorithm ({}) is not permitted by PEP 427ascii)r   pathbasenameWHEEL_INFO_REmatchZparsed_filenameendswithr	   r   __init__formatgroupZdist_info_pathrecord_pathr   _file_hashes_file_sizesopenKeyErrorcsvreaderr   splithashlibnew
ValueErrorlowerr   encode)selffilemoder   r(   recordliner'   Zhash_sumsize	algorithmr   r   r   r,   )   sP    


zWheelFile.__init__Nc                   s    fdd}t |tr$|jn||dkrTdsT| jkrTtd dt| ||| |dkrds| j \}d k	rt	| j
|  _
 S )Nc                   s<    j }|  |  |r8 kr8td dd S )NzHash mismatch for file '')_eofupdatedigestr	   )newdataeofZefZef_nameZexpected_hashZrunning_hashZupdate_crc_origr   r   _update_crc]   s
    
z#WheelFile.open.<locals>._update_crcr   /zNo hash found for file 'rC   )
isinstancer   filenamer+   r0   r	   r   r2   r7   r8   rJ   )r<   Zname_or_infor>   pwdrJ   rB   r   rI   r   r2   \   s"    
zWheelFile.openc           	      C  s   t d| j d| d g }t|D ]\}}}|  t|D ]r}tjtj	||}tj
|rBtj||tjjd}|| jkrqB|dr|||f qB| || qBq(|  |D ]\}}| || qd S )Nz
creating 'z' and adding 'z' to itrK   z
.dist-info)r
   inforM   r   walksortsortedr'   normpathjoinisfilerelpathreplacesepr/   r+   appendwrite)	r<   base_dirdeferredrootdirnames	filenamesnamer'   arcnamer   r   r   write_filesy   s     

zWheelFile.write_filesc              	   C  s~   t |d}t| }| }W 5 Q R X t|p4|t|jd}t	|j
t|j
B d> |_|ph| j|_| ||| d S )Nrb	date_time   )r2   r   fstatfilenoreadr   r   st_mtimestatS_IMODEst_modeS_IFMTexternal_attrr   compress_typewritestr)r<   rM   ra   rp   fstdatazinfor   r   r   rZ      s     zWheelFile.writec                 C  s   t |tr|d}t| ||| t |tr4|jn|}td| d || j	kr| 
|}|jt| df| j|< t|| j|< d S )Nr    zadding 'rC   r&   )rL   strr;   r   rq   r   rM   r
   rO   r/   _default_algorithmr`   r   rF   decoder0   lenr1   )r<   zinfo_or_arcnamert   rp   fnamehash_r   r   r   rq      s    




zWheelFile.writestrc                   s    j d k	r jdkr jrt }tj|dddd}| fdd j D  |t	 j
ddf t j
t d	} j|_d
|_ ||  t  d S )Nw,"
)	delimiter	quotecharlineterminatorc                 3  s.   | ]&\}\}}||d  |  j | fV  qdS )r#   N)r1   ).0r{   rB   r|   r<   r   r   	<genexpr>   s   
z"WheelFile.close.<locals>.<genexpr>r   rd   i  )fpr>   r0   r   r4   writer	writerowsitemswriterowr-   r/   r   r   r   rp   ro   rq   getvaluer   close)r<   rt   r   ru   r   r   r   r      s    
zWheelFile.close)r   N)NN)N)__name__
__module____qualname____doc__r7   sha256rw   r   r,   r2   rb   rZ   rq   r   r   r   r   r   r   "   s   3


r   )N)
__future__r   r4   r7   os.pathr   rerk   r   collectionsr   ior   r   zipfiler   r   r   Z	wheel.clir	   Z
wheel.utilr
   r   r   compileVERBOSEr)   r   r   r   r   r   r   r   <module>   s$   
