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B
    :a[                 @   sf  d Z ddlZddlZddlmZ ddlmZ dddd	d
dddgZee	Z
G dd deZG dd deZG dd deZedZdd ZeZG dd deZdd ZG dd deZeddfeddfeddfedd fed!d"fed#d"fed$d%fed&d'fed(d)fed*d+ff
Zed,dfed-dfed.d%fed$d%fed/dffZed0Zd1d2 Zd3d4 Zed5ejZd6d6d7d6d8ddd9Zd:d; ZG d<d deZ G d=d	 d	eZ!ed>ejZ"d?d@ Z#dAdB Z$G dCd
 d
eZ%G dDd deZ&G dEdF dFeZ'e'eeee'ee!dGdH e'e$e&edIZ(e(dJ e(dK< dLd Z)dS )Mz~
Implementation of a flexible versioning scheme providing support for PEP-440,
setuptools-compatible and semantic versioning.
    N   )string_types)parse_requirementNormalizedVersionNormalizedMatcherLegacyVersionLegacyMatcherSemanticVersionSemanticMatcherUnsupportedVersionError
get_schemec               @   s   e Zd ZdZdS )r   zThis is an unsupported version.N)__name__
__module____qualname____doc__ r   r   @/opt/alt/python37/lib/python3.7/site-packages/distlib/version.pyr      s   c               @   sx   e Z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dd Zedd ZdS )Versionc             C   s@   |   | _}| | | _}t|ts,tt|dks<td S )Nr   )strip_stringparse_parts
isinstancetupleAssertionErrorlen)selfspartsr   r   r   __init__   s    zVersion.__init__c             C   s   t dd S )Nzplease implement in a subclass)NotImplementedError)r   r   r   r   r   r   %   s    zVersion.parsec             C   s$   t | t |kr td| |f d S )Nzcannot compare %r and %r)type	TypeError)r   otherr   r   r   _check_compatible(   s    zVersion._check_compatiblec             C   s   |  | | j|jkS )N)r$   r   )r   r#   r   r   r   __eq__,   s    
zVersion.__eq__c             C   s   |  | S )N)r%   )r   r#   r   r   r   __ne__0   s    zVersion.__ne__c             C   s   |  | | j|jk S )N)r$   r   )r   r#   r   r   r   __lt__3   s    
zVersion.__lt__c             C   s   |  |p| | S )N)r'   r%   )r   r#   r   r   r   __gt__7   s    zVersion.__gt__c             C   s   |  |p| |S )N)r'   r%   )r   r#   r   r   r   __le__:   s    zVersion.__le__c             C   s   |  |p| |S )N)r(   r%   )r   r#   r   r   r   __ge__=   s    zVersion.__ge__c             C   s
   t | jS )N)hashr   )r   r   r   r   __hash__A   s    zVersion.__hash__c             C   s   d| j j| jf S )Nz%s('%s'))	__class__r   r   )r   r   r   r   __repr__D   s    zVersion.__repr__c             C   s   | j S )N)r   )r   r   r   r   __str__G   s    zVersion.__str__c             C   s   t dd S )NzPlease implement in subclasses.)r    )r   r   r   r   is_prereleaseJ   s    zVersion.is_prereleaseN)r   r   r   r   r   r$   r%   r&   r'   r(   r)   r*   r,   r.   r/   propertyr0   r   r   r   r   r      s   r   c            	   @   s   e Zd ZdZdd dd dd dd dd dd d	d d
d dZdd Zdd Zdd Zedd Z	dd Z
dd Zdd Zdd Zdd Zdd ZdS ) MatcherNc             C   s   | |k S )Nr   )vcpr   r   r   <lambda>T       zMatcher.<lambda>c             C   s   | |kS )Nr   )r3   r4   r5   r   r   r   r6   U   r7   c             C   s   | |kp| |k S )Nr   )r3   r4   r5   r   r   r   r6   V   r7   c             C   s   | |kp| |kS )Nr   )r3   r4   r5   r   r   r   r6   W   r7   c             C   s   | |kS )Nr   )r3   r4   r5   r   r   r   r6   X   r7   c             C   s   | |kS )Nr   )r3   r4   r5   r   r   r   r6   Y   r7   c             C   s   | |kp| |kS )Nr   )r3   r4   r5   r   r   r   r6   [   r7   c             C   s   | |kS )Nr   )r3   r4   r5   r   r   r   r6   \   r7   )<>z<=z>=z==z===z~=z!=c             C   s   t |S )N)r   )r   r   r   r   r   r   a   s    zMatcher.parse_requirementc             C   s   | j d krtd|  | _}| |}|s:td| |j| _| j | _g }|jrxn|jD ]d\}}|	dr|dkrtd| |d d d }}|  | n|  |d }}|
|||f q`W t|| _d S )	NzPlease specify a version classzNot valid: %rz.*)z==z!=z#'.*' not allowed for %r constraintsTF)version_class
ValueErrorr   r   r   namelowerkeyZconstraintsendswithappendr   r   )r   r   rZclistopZvnprefixr   r   r   r   d   s(    


zMatcher.__init__c             C   sz   t |tr| |}x`| jD ]V\}}}| j|}t |trFt| |}|sbd|| jjf }t	|||||sdS qW dS )z
        Check if the provided version matches the constraints.

        :param version: The version to match against this instance.
        :type version: String or :class:`Version` instance.
        z%r not implemented for %sFT)
r   r   r;   r   
_operatorsgetgetattrr-   r   r    )r   versionoperator
constraintrD   fmsgr   r   r   match   s    



zMatcher.matchc             C   s6   d }t | jdkr2| jd d dkr2| jd d }|S )Nr   r   )z==z===)r   r   )r   resultr   r   r   exact_version   s     zMatcher.exact_versionc             C   s0   t | t |ks| j|jkr,td| |f d S )Nzcannot compare %s and %s)r!   r=   r"   )r   r#   r   r   r   r$      s    zMatcher._check_compatiblec             C   s"   |  | | j|jko | j|jkS )N)r$   r?   r   )r   r#   r   r   r   r%      s    
zMatcher.__eq__c             C   s   |  | S )N)r%   )r   r#   r   r   r   r&      s    zMatcher.__ne__c             C   s   t | jt | j S )N)r+   r?   r   )r   r   r   r   r,      s    zMatcher.__hash__c             C   s   d| j j| jf S )Nz%s(%r))r-   r   r   )r   r   r   r   r.      s    zMatcher.__repr__c             C   s   | j S )N)r   )r   r   r   r   r/      s    zMatcher.__str__)r   r   r   r;   rE   r   r   rM   r1   rO   r$   r%   r&   r,   r.   r/   r   r   r   r   r2   O   s&   r2   zk^v?(\d+!)?(\d+(\.\d+)*)((a|b|c|rc)(\d+))?(\.(post)(\d+))?(\.(dev)(\d+))?(\+([a-zA-Z\d]+(\.[a-zA-Z\d]+)?))?$c             C   s  |   } t| }|s"td|  | }tdd |d dD }x(t|dkrn|d dkrn|d d }qHW |d s~d}nt|d d d }|dd	 }|d
d }|dd }|d }|dkrd}n|d t|d f}|dkrd}n|d t|d f}|dkrd}n|d t|d f}|d kr6d}nLg }	x>|dD ]0}
|
	 rbdt|
f}
nd|
f}
|	
|
 qFW t|	}|s|s|rd}nd}|sd}|sd}||||||fS )NzNot a valid version: %sc             s   s   | ]}t |V  qd S )N)int).0r3   r   r   r   	<genexpr>   s    z_pep_440_key.<locals>.<genexpr>r   .r            	   
         )NNr   )arT   )z)_)final)r   PEP440_VERSION_RErM   r   groupsr   splitr   rP   isdigitrA   )r   mra   ZnumsZepochpreZpostdevlocalr   partr   r   r   _pep_440_key   sT    



ri   c               @   s6   e Zd ZdZdd ZedddddgZed	d
 ZdS )r   aI  A rational version.

    Good:
        1.2         # equivalent to "1.2.0"
        1.2.0
        1.2a1
        1.2.3a2
        1.2.3b1
        1.2.3c1
        1.2.3.4
        TODO: fill this out

    Bad:
        1           # minimum two numbers
        1.2a        # release level must have a release serial
        1.2.3b
    c             C   s<   t |}t|}| }tdd |d dD | _|S )Nc             s   s   | ]}t |V  qd S )N)rP   )rQ   r3   r   r   r   rR     s    z*NormalizedVersion.parse.<locals>.<genexpr>r   rS   )_normalized_keyr`   rM   ra   r   rb   _release_clause)r   r   rN   rd   ra   r   r   r   r   
  s
    
zNormalizedVersion.parser\   br4   rcrf   c                s   t  fdd jD S )Nc             3   s    | ]}|r|d   j kV  qdS )r   N)PREREL_TAGS)rQ   t)r   r   r   rR     s    z2NormalizedVersion.is_prerelease.<locals>.<genexpr>)anyr   )r   r   )r   r   r0     s    zNormalizedVersion.is_prereleaseN)	r   r   r   r   r   setrn   r1   r0   r   r   r   r   r      s   c             C   s>   t | } t |}| |krdS | |s*dS t|}| | dkS )NTFrS   )str
startswithr   )xynr   r   r   _match_prefix  s    
rw   c            	   @   sn   e Zd ZeZddddddd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S )r   _match_compatible	_match_lt	_match_gt	_match_le	_match_ge	_match_eq_match_arbitrary	_match_ne)z~=r8   r9   z<=z>=z==z===z!=c             C   sV   |rd|ko|j d }n|j d  o,|j d }|rN|jddd }| |}||fS )N+rT   r   r   )r   r   rb   r;   )r   rH   rJ   rD   Zstrip_localr   r   r   r   _adjust_local6  s    
zNormalizedMatcher._adjust_localc             C   sD   |  |||\}}||krdS |j}ddd |D }t|| S )NFrS   c             S   s   g | ]}t |qS r   )rr   )rQ   ir   r   r   
<listcomp>I  s    z/NormalizedMatcher._match_lt.<locals>.<listcomp>)r   rk   joinrw   )r   rH   rJ   rD   release_clausepfxr   r   r   ry   D  s    zNormalizedMatcher._match_ltc             C   sD   |  |||\}}||krdS |j}ddd |D }t|| S )NFrS   c             S   s   g | ]}t |qS r   )rr   )rQ   r   r   r   r   r   Q  s    z/NormalizedMatcher._match_gt.<locals>.<listcomp>)r   rk   r   rw   )r   rH   rJ   rD   r   r   r   r   r   rz   L  s    zNormalizedMatcher._match_gtc             C   s   |  |||\}}||kS )N)r   )r   rH   rJ   rD   r   r   r   r{   T  s    zNormalizedMatcher._match_lec             C   s   |  |||\}}||kS )N)r   )r   rH   rJ   rD   r   r   r   r|   X  s    zNormalizedMatcher._match_gec             C   s.   |  |||\}}|s ||k}n
t||}|S )N)r   rw   )r   rH   rJ   rD   rN   r   r   r   r}   \  s
    

zNormalizedMatcher._match_eqc             C   s   t |t |kS )N)rr   )r   rH   rJ   rD   r   r   r   r~   d  s    z"NormalizedMatcher._match_arbitraryc             C   s0   |  |||\}}|s ||k}nt|| }|S )N)r   rw   )r   rH   rJ   rD   rN   r   r   r   r   g  s
    
zNormalizedMatcher._match_nec             C   sf   |  |||\}}||krdS ||k r*dS |j}t|dkrH|d d }ddd |D }t||S )NTFr   rT   rS   c             S   s   g | ]}t |qS r   )rr   )rQ   r   r   r   r   r   z  s    z7NormalizedMatcher._match_compatible.<locals>.<listcomp>)r   rk   r   r   rw   )r   rH   rJ   rD   r   r   r   r   r   rx   o  s    z#NormalizedMatcher._match_compatibleN)r   r   r   r   r;   rE   r   ry   rz   r{   r|   r}   r~   r   rx   r   r   r   r   r   '  s$   z[.+-]$ z^[.](\d)z0.\1z^[.-]z
^\((.*)\)$z\1z^v(ersion)?\s*(\d+)z\2z^r(ev)?\s*(\d+)z[.]{2,}rS   z\b(alfa|apha)\balphaz\b(pre-alpha|prealpha)\bz	pre.alphaz	\(beta\)$betaz
^[:~._+-]+z
[,*")([\]]z[~:+_ -]z\.$z(\d+(\.\d+)*)c             C   sZ  |    }xtD ]\}}|||}qW |s2d}t|}|sJd}|}n| d d}dd |D }xt|dk r|	d qlW t|dkr||
 d }n8ddd |dd D ||
 d  }|dd }dd	d |D }|  }|rxtD ]\}}|||}qW |s*|}nd
|kr8dnd}|| | }t|sVd}|S )z
    Try to suggest a semantic form for a version for which
    _suggest_normalized_version couldn't come up with anything.
    z0.0.0r   rS   c             S   s   g | ]}t |qS r   )rP   )rQ   r   r   r   r   r     s    z-_suggest_semantic_version.<locals>.<listcomp>   Nc             S   s   g | ]}t |qS r   )rr   )rQ   r   r   r   r   r     s    c             S   s   g | ]}t |qS r   )rr   )rQ   r   r   r   r   r     s    rf   -r   )r   r>   _REPLACEMENTSsub_NUMERIC_PREFIXrM   ra   rb   r   rA   endr   _SUFFIX_REPLACEMENTS	is_semver)r   rN   patreplrd   rD   suffixsepr   r   r   _suggest_semantic_version  s:    
,
r   c             C   sj  yt |  | S  tk
r    Y nX |  }xdD ]\}}|||}q0W tdd|}tdd|}tdd|}tdd	|}td
d|}|dr|dd }tdd|}tdd|}tdd|}tdd|}tdd|}tdd|}tdd|}tdd|}tdd|}tdd|}tdd |}yt | W n tk
rd   d}Y nX |S )!a  Suggest a normalized version close to the given version string.

    If you have a version string that isn't rational (i.e. NormalizedVersion
    doesn't like it) then you might be able to get an equivalent (or close)
    rational version from this function.

    This does a number of simple normalizations to the given string, based
    on observation of versions currently in use on PyPI. Given a dump of
    those version during PyCon 2009, 4287 of them:
    - 2312 (53.93%) match NormalizedVersion without change
      with the automatic suggestion
    - 3474 (81.04%) match when using this suggestion method

    @param s {str} An irrational version string.
    @returns A rational version string, or None, if couldn't determine one.
    ))z-alphar\   )z-betarl   )r   r\   )r   rl   )rm   r4   )z-finalr   )z-prer4   )z-releaser   )z.releaser   )z-stabler   )r   rS   )r^   rS   ) r   )z.finalr   )r_   r   zpre$Zpre0zdev$Zdev0z([abc]|rc)[\-\.](\d+)$z\1\2z[\-\.](dev)[\-\.]?r?(\d+)$z.\1\2z[.~]?([abc])\.?z\1r3   r   Nz\b0+(\d+)(?!\d)z(\d+[abc])$z\g<1>0z\.?(dev-r|dev\.r)\.?(\d+)$z.dev\2z-(a|b|c)(\d+)$z[\.\-](dev|devel)$z.dev0z(?![\.\-])dev$z(final|stable)$r   z\.?(r|-|-r)\.?(\d+)$z.post\2z\.?(dev|git|bzr)\.?(\d+)$z\.?(pre|preview|-c)(\d+)$zc\g<2>zp(\d+)$z.post\1)rj   r   r>   replacerer   rs   )r   ZrsZorigr   r   r   r   _suggest_normalized_version  s>    
	
r   z([a-z]+|\d+|[\.-])r4   zfinal-@)re   Zpreviewr   rm   rf   r   rS   c             C   s~   dd }g }xh|| D ]\}| drh|dk rJx|rH|d dkrH|  q.W x|rf|d dkrf|  qLW || qW t|S )Nc             S   sx   g }xdt |  D ]R}t||}|rd|d d   krDdkrTn n|d}nd| }|| qW |d |S )N0r   9   *z*final)_VERSION_PARTrb   r>   _VERSION_REPLACErF   zfillrA   )r   rN   r5   r   r   r   	get_partsC  s     
z_legacy_key.<locals>.get_partsr   z*finalrT   z*final-Z00000000)rs   poprA   r   )r   r   rN   r5   r   r   r   _legacy_keyB  s    
r   c               @   s    e Zd Zdd Zedd ZdS )r   c             C   s   t |S )N)r   )r   r   r   r   r   r   ]  s    zLegacyVersion.parsec             C   s:   d}x0| j D ]&}t|tr|dr|dk rd}P qW |S )NFr   z*finalT)r   r   r   rs   )r   rN   rt   r   r   r   r0   `  s    zLegacyVersion.is_prereleaseN)r   r   r   r   r1   r0   r   r   r   r   r   \  s   c               @   s4   e Zd ZeZeejZded< e	dZ
dd ZdS )r   rx   z~=z^(\d+(\.\d+)*)c             C   s`   ||k rdS | j t|}|s2td|| dS | d }d|krV|ddd }t||S )NFzACannot compute compatible match for version %s  and constraint %sTr   rS   r   )
numeric_rerM   rr   loggerwarningra   rsplitrw   )r   rH   rJ   rD   rd   r   r   r   r   rx   s  s    zLegacyMatcher._match_compatibleN)r   r   r   r   r;   dictr2   rE   r   compiler   rx   r   r   r   r   r   k  s
   

zN^(\d+)\.(\d+)\.(\d+)(-[a-z0-9]+(\.[a-z0-9-]+)*)?(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$c             C   s
   t | S )N)
_SEMVER_RErM   )r   r   r   r   r     s    r   c       	      C   sn   dd }t | }|st| | }dd |d d D \}}}||d d||d d }}|||f||fS )	Nc             S   s8   | d kr|f}n$| dd   d}tdd |D }|S )Nr   rS   c             S   s"   g | ]}|  r|d n|qS )r   )rc   r   )rQ   r5   r   r   r   r     s    z5_semantic_key.<locals>.make_tuple.<locals>.<listcomp>)rb   r   )r   ZabsentrN   r   r   r   r   
make_tuple  s
    z!_semantic_key.<locals>.make_tuplec             S   s   g | ]}t |qS r   )rP   )rQ   r   r   r   r   r     s    z!_semantic_key.<locals>.<listcomp>r   |   r   )r   r   ra   )	r   r   rd   ra   majorminorZpatchre   buildr   r   r   _semantic_key  s    
r   c               @   s    e Zd Zdd Zedd ZdS )r	   c             C   s   t |S )N)r   )r   r   r   r   r   r     s    zSemanticVersion.parsec             C   s   | j d d dkS )Nr   r   r   )r   )r   r   r   r   r0     s    zSemanticVersion.is_prereleaseN)r   r   r   r   r1   r0   r   r   r   r   r	     s   c               @   s   e Zd ZeZdS )r
   N)r   r   r   r	   r;   r   r   r   r   r
     s   c               @   s6   e Zd ZdddZdd Zdd Zdd	 Zd
d ZdS )VersionSchemeNc             C   s   || _ || _|| _d S )N)r?   matcher	suggester)r   r?   r   r   r   r   r   r     s    zVersionScheme.__init__c             C   s2   y| j | d}W n tk
r,   d}Y nX |S )NTF)r   r;   r   )r   r   rN   r   r   r   is_valid_version  s    
zVersionScheme.is_valid_versionc             C   s0   y|  | d}W n tk
r*   d}Y nX |S )NTF)r   r   )r   r   rN   r   r   r   is_valid_matcher  s    

zVersionScheme.is_valid_matcherc             C   s$   | dr|dd }| d| S )z:
        Used for processing some metadata fields
        ,NrT   zdummy_name (%s))r@   r   )r   r   r   r   r   is_valid_constraint_list  s    
z&VersionScheme.is_valid_constraint_listc             C   s   | j d krd }n
|  |}|S )N)r   )r   r   rN   r   r   r   suggest  s    

zVersionScheme.suggest)N)r   r   r   r   r   r   r   r   r   r   r   r   r     s
   
	r   c             C   s   |S )Nr   )r   r   r   r   r   r6     r7   r6   )
normalizedZlegacyZsemanticr   defaultc             C   s   | t krtd|  t |  S )Nzunknown scheme name: %r)_SCHEMESr<   )r=   r   r   r   r     s    )*r   loggingr   compatr   utilr   __all__	getLoggerr   r   r<   r   objectr   r2   r   r`   ri   rj   r   rw   r   r   r   r   r   r   Ir   r   r   r   r   r   r   r   r	   r
   r   r   r   r   r   r   r   <module>	   s|   
1d
=$W
.r	'
