U
    g                     @  s^  d dl mZ d dlZd dlZd dlmZmZmZmZ ddl	m
Z
mZ ddlmZmZmZ eed eeef f ZedeZG d	d
 d
eZG dd deZG dd deZedejZedZedZedZddddddddZdddddZej dddddd d!d"Z!e!j"dddddd d#d$Z#dd%d&d'd(Z$dd)d&d*d+Z%dS ),    )annotationsN)NewTypeTupleUnioncast   )Tag	parse_tag)InvalidVersionVersion_TrimmedRelease NormalizedNamec                   @  s   e Zd ZdZdS )InvalidNamezW
    An invalid distribution name; users should refer to the packaging user guide.
    N__name__
__module____qualname____doc__r   r   r   3/tmp/pip-unpacked-wheel-et9flr3b/packaging/utils.pyr      s   r   c                   @  s   e Zd ZdZdS )InvalidWheelFilenamezM
    An invalid wheel filename was found, users should refer to PEP 427.
    Nr   r   r   r   r   r      s   r   c                   @  s   e Zd ZdZdS )InvalidSdistFilenamez^
    An invalid sdist filename was found, users should refer to the packaging user guide.
    Nr   r   r   r   r   r      s   r   z)^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$z[-_.]+z/^([a-z0-9]|[a-z0-9]([a-z0-9-](?!--))*[a-z0-9])$z	(\d+)(.*)F)validatestrbool)namer   returnc                C  s6   |rt | std| td|  }tt|S )Nzname is invalid: -)_validate_regexmatchr   _canonicalize_regexsublowerr   r   )r   r   valuer   r   r   canonicalize_name.   s    r$   )r   r   c                 C  s   t | d k	S )N)_normalized_regexr   )r   r   r   r   is_normalized_name6   s    r&   Tstrip_trailing_zerozVersion | str)versionr(   r   c                C  s   t |rtt | n| S )a  
    Return a canonical form of a version as a string.

    >>> canonicalize_version('1.0.1')
    '1.0.1'

    Per PEP 625, versions may have multiple canonical forms, differing
    only by trailing zeros.

    >>> canonicalize_version('1.0.0')
    '1'
    >>> canonicalize_version('1.0.0', strip_trailing_zero=False)
    '1.0.0'

    Invalid versions are returned unaltered.

    >>> canonicalize_version('foo bar baz')
    'foo bar baz'
    )r   r   )r)   r(   r   r   r   canonicalize_version:   s    r*   c                C  s2   zt | }W n tk
r$   |  Y S X t||dS )Nr'   )r   r
   r*   )r)   r(   parsedr   r   r   _T   s
    
r,   z8tuple[NormalizedName, Version, BuildTag, frozenset[Tag]])filenamer   c              
   C  sH  |  dstd| | d d } | d}|dkrDtd| | d|d }|d }d	|ksxtd
|tjd krtd| t|}zt|d }W n2 t	k
r } ztd| |W 5 d }~X Y nX |dkr,|d }t
|}|d krtd| d| ttt|d|df}	nd}	t|d }
|||	|
fS )Nz.whlz3Invalid wheel filename (extension must be '.whl'): r   )      z0Invalid wheel filename (wrong number of parts):    r   __z^[\w\d._]*$zInvalid project name: r   z*Invalid wheel filename (invalid version): r0   zInvalid build number: z in r   )endswithr   countsplitrer   UNICODEr$   r   r
   _build_tag_regexr   BuildTagintgroupr	   )r-   Zdashesparts	name_partr   r)   eZ
build_partZbuild_matchbuildtagsr   r   r   parse_wheel_filename^   sD    




 rB   ztuple[NormalizedName, Version]c              
   C  s   |  dr| d td  }n,|  dr<| d td  }ntd| |d\}}}|sltd| t|}zt|}W n2 tk
r } ztd| |W 5 d }~X Y nX ||fS )Nz.tar.gzz.zipz@Invalid sdist filename (extension must be '.tar.gz' or '.zip'): r   zInvalid sdist filename: z*Invalid sdist filename (invalid version): )r4   lenr   
rpartitionr$   r   r
   )r-   Z	file_stemr>   sepZversion_partr   r)   r?   r   r   r   parse_sdist_filename   s(    

rF   )&
__future__r   	functoolsr7   typingr   r   r   r   rA   r   r	   r)   r
   r   r   r;   r   r:   r   
ValueErrorr   r   r   compile
IGNORECASEr   r    r%   r9   r$   r&   singledispatchr*   registerr,   rB   rF   r   r   r   r   <module>   s4   
 


	+