U
    uKdu                     @   s  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m	Z	m
Z
mZmZmZmZmZmZ ddlmZ ddlmZmZmZ eeef Zeeeef ZededZeeegef ZG dd	 d	eZG d
d de jdZ G dd de Z!G dd de!Z"edeegef edeegef dddZ#G dd de!Z$e%dZ&ee
e dddZ'eedddZ(e
e e
e ee
e e
e f dddZ)G d d! d!e Z*dS )"    N)CallableDictIterableIteratorListOptionalPatternSetTupleTypeVarUnion   )canonicalize_version)LegacyVersionVersionparseVersionTypeVar)Zboundc                   @   s   e Zd ZdZdS )InvalidSpecifierzH
    An invalid specifier was found, users should refer to PEP 440.
    N)__name__
__module____qualname____doc__ r   r   A/tmp/pip-install-3svjhd85/pip/pip/_vendor/packaging/specifiers.pyr   !   s   r   c                   @   s   e Zd ZejedddZejedddZeje	e
dddZejee
 dd	d
Zeje
dddd
Zejdeee
 e
dddZejdee ee
 ee dddZdS )BaseSpecifierreturnc                 C   s   dS )z
        Returns the str representation of this Specifier like object. This
        should be representative of the Specifier itself.
        Nr   selfr   r   r   __str__(   s    zBaseSpecifier.__str__c                 C   s   dS )zF
        Returns a hash value for this Specifier like object.
        Nr   r   r   r   r   __hash__/   s    zBaseSpecifier.__hash__otherr   c                 C   s   dS )zq
        Returns a boolean representing whether or not the two Specifier like
        objects are equal.
        Nr   r   r"   r   r   r   __eq__5   s    zBaseSpecifier.__eq__c                 C   s   dS )zg
        Returns whether or not pre-releases as a whole are allowed by this
        specifier.
        Nr   r   r   r   r   prereleases<   s    zBaseSpecifier.prereleasesNvaluer   c                 C   s   dS )zd
        Sets whether or not pre-releases as a whole are allowed by this
        specifier.
        Nr   r   r'   r   r   r   r%   C   s    itemr%   r   c                 C   s   dS )zR
        Determines if the given item is contained within this specifier.
        Nr   r   r*   r%   r   r   r   containsJ   s    zBaseSpecifier.containsiterabler%   r   c                 C   s   dS )z
        Takes an iterable of items and filters them so that only items which
        are contained within this specifier are allowed in it.
        Nr   )r   r.   r%   r   r   r   filterP   s    zBaseSpecifier.filter)N)N)r   r   r   abcabstractmethodstrr   intr    objectboolr$   abstractpropertyr   r%   setterr,   r   r   r/   r   r   r   r   r   '   s&     r   )	metaclassc                   @   sR  e Zd ZU i Zeeef ed< ee ed< d+eee	 ddddZ
edd	d
ZedddZeeeef dddZedddZee	dddZeedddZeedddZeedddZeedddZeee	 dddZeje	dd d!dZee	d"d#d$Zd,eee	 e	d%d&d'Zd-ee  ee	 ee  d(d)d*Z!dS )._IndividualSpecifier
_operators_regex Nspecr%   r   c                 C   sH   | j |}|s td| d|d |d f| _|| _d S )NzInvalid specifier: ''operatorversion)r;   searchr   groupstrip_spec_prereleases)r   r>   r%   matchr   r   r   __init___   s    z_IndividualSpecifier.__init__r   c                 C   s8   | j d k	rd| jnd}d| jj dt| | dS )N, prereleases=r<   <()>)rF   r%   	__class__r   r2   r   prer   r   r   __repr__l   s
    z_IndividualSpecifier.__repr__c                 C   s   dj | j S )Nz{}{})formatrE   r   r   r   r   r   u   s    z_IndividualSpecifier.__str__c                 C   s   | j d t| j d fS )Nr   r   )rE   r   r   r   r   r   _canonical_specx   s    z$_IndividualSpecifier._canonical_specc                 C   s
   t | jS N)hashrR   r   r   r   r   r    |   s    z_IndividualSpecifier.__hash__r!   c                 C   sT   t |tr8z| t|}W qH tk
r4   t Y S X nt || jsHtS | j|jkS rS   )
isinstancer2   rM   r   NotImplementedrR   r#   r   r   r   r$      s    
z_IndividualSpecifier.__eq__)opr   c                 C   s   t | d| j|  }|S )NZ	_compare_)getattrr:   )r   rW   operator_callabler   r   r   _get_operator   s
     z"_IndividualSpecifier._get_operatorrA   r   c                 C   s   t |ttfst|}|S rS   )rU   r   r   r   r   rA   r   r   r   _coerce_version   s    z$_IndividualSpecifier._coerce_versionc                 C   s
   | j d S )Nr   rE   r   r   r   r   r@      s    z_IndividualSpecifier.operatorc                 C   s
   | j d S )Nr   r^   r   r   r   r   rA      s    z_IndividualSpecifier.versionc                 C   s   | j S rS   rF   r   r   r   r   r%      s    z _IndividualSpecifier.prereleasesr&   c                 C   s
   || _ d S rS   r_   r(   r   r   r   r%      s    r*   r   c                 C   s
   |  |S rS   r,   r   r*   r   r   r   __contains__   s    z!_IndividualSpecifier.__contains__r)   c                 C   s>   |d kr| j }| |}|jr&|s&dS | | j}||| jS NF)r%   r]   is_prereleaserZ   r@   rA   )r   r*   r%   Znormalized_itemrY   r   r   r   r,      s    

z_IndividualSpecifier.containsr-   c                 c   s   d}g }d|d k	r|ndi}|D ]B}|  |}| j|f|r |jrX|sX| jsX|| q d}|V  q |s||r||D ]
}|V  qpd S )NFr%   T)r]   r,   re   r%   append)r   r.   r%   yieldedfound_prereleaseskwrA   parsed_versionr   r   r   r/      s"    
z_IndividualSpecifier.filter)r<   N)N)N)"r   r   r   r:   r   r2   __annotations__r   r   r5   rH   rP   r   propertyr
   rR   r3   r    r4   r$   CallableOperatorrZ   UnparsedVersionParsedVersionr]   r@   rA   r%   r7   rc   r,   r   r   r/   r   r   r   r   r9   Z   s@   
	    r9   c                       s   e Zd ZdZede d ejejB Zdddddd	d
Z	d e
ee dd fddZeedddZee
edddZee
edddZee
edddZee
edddZee
edddZee
edddZ  ZS )!LegacySpecifiera  
        (?P<operator>(==|!=|<=|>=|<|>))
        \s*
        (?P<version>
            [^,;\s)]* # Since this is a "legacy" specifier, and the version
                      # string can be just about anything, we match everything
                      # except for whitespace, a semi-colon for marker support,
                      # a closing paren since versions can be enclosed in
                      # them, and a comma since it's a version separator.
        )
        ^\s*\s*$equal	not_equalless_than_equalgreater_than_equal	less_thangreater_than)==!=<=>=rJ   >r<   Nr=   c                    s   t  || tdt d S )NzZCreating a LegacyVersion has been deprecated and will be removed in the next major release)superrH   warningswarnDeprecationWarning)r   r>   r%   rM   r   r   rH      s
    zLegacySpecifier.__init__r[   c                 C   s   t |tstt|}|S rS   )rU   r   r2   r\   r   r   r   r]     s    
zLegacySpecifier._coerce_versionprospectiver>   r   c                 C   s   ||  |kS rS   r]   r   r   r>   r   r   r   _compare_equal
  s    zLegacySpecifier._compare_equalc                 C   s   ||  |kS rS   r   r   r   r   r   _compare_not_equal  s    z"LegacySpecifier._compare_not_equalc                 C   s   ||  |kS rS   r   r   r   r   r   _compare_less_than_equal  s    z(LegacySpecifier._compare_less_than_equalc                 C   s   ||  |kS rS   r   r   r   r   r   _compare_greater_than_equal  s    z+LegacySpecifier._compare_greater_than_equalc                 C   s   ||  |k S rS   r   r   r   r   r   _compare_less_than  s    z"LegacySpecifier._compare_less_thanc                 C   s   ||  |kS rS   r   r   r   r   r   _compare_greater_than  s    z%LegacySpecifier._compare_greater_than)r<   N)r   r   r   
_regex_strrecompileVERBOSE
IGNORECASEr;   r:   r2   r   r5   rH   rn   r   r]   r   r   r   r   r   r   __classcell__r   r   r   r   rp      s(   		 rp   	Specifier)fnr   c                    s&   t  dtttd fdd}|S )Nr   )r   r   r>   r   c                    s   t |tsdS  | ||S rd   )rU   r   r   r   r   r   wrapped"  s    
z)_require_version_compare.<locals>.wrapped)	functoolswrapsro   r2   r5   )r   r   r   r   r   _require_version_compare  s    r   c                	   @   s  e Zd ZdZede d ejejB Zdddddd	d
ddZ	e
eeedddZe
eeedddZe
eeedddZe
eeedddZe
eeedddZe
eeedddZe
eeedddZeeedddZeedd d!Zejed"d#d$d!Zd"S )%r   a  
        (?P<operator>(~=|==|!=|<=|>=|<|>|===))
        (?P<version>
            (?:
                # The identity operators allow for an escape hatch that will
                # do an exact string match of the version you wish to install.
                # This will not be parsed by PEP 440 and we cannot determine
                # any semantic meaning from it. This operator is discouraged
                # but included entirely as an escape hatch.
                (?<====)  # Only match for the identity operator
                \s*
                [^\s]*    # We just match everything, except for whitespace
                          # since we are only testing for strict identity.
            )
            |
            (?:
                # The (non)equality operators allow for wild card and local
                # versions to be specified so we have to define these two
                # operators separately to enable that.
                (?<===|!=)            # Only match for equals and not equals

                \s*
                v?
                (?:[0-9]+!)?          # epoch
                [0-9]+(?:\.[0-9]+)*   # release
                (?:                   # pre release
                    [-_\.]?
                    (a|b|c|rc|alpha|beta|pre|preview)
                    [-_\.]?
                    [0-9]*
                )?
                (?:                   # post release
                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
                )?

                # You cannot use a wild card and a dev or local version
                # together so group them with a | and make them optional.
                (?:
                    (?:[-_\.]?dev[-_\.]?[0-9]*)?         # dev release
                    (?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
                    |
                    \.\*  # Wild card syntax of .*
                )?
            )
            |
            (?:
                # The compatible operator requires at least two digits in the
                # release segment.
                (?<=~=)               # Only match for the compatible operator

                \s*
                v?
                (?:[0-9]+!)?          # epoch
                [0-9]+(?:\.[0-9]+)+   # release  (We have a + instead of a *)
                (?:                   # pre release
                    [-_\.]?
                    (a|b|c|rc|alpha|beta|pre|preview)
                    [-_\.]?
                    [0-9]*
                )?
                (?:                                   # post release
                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
                )?
                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
            )
            |
            (?:
                # All other operators only allow a sub set of what the
                # (non)equality operators do. Specifically they do not allow
                # local versions to be specified nor do they allow the prefix
                # matching wild cards.
                (?<!==|!=|~=)         # We have special cases for these
                                      # operators so we want to make sure they
                                      # don't match here.

                \s*
                v?
                (?:[0-9]+!)?          # epoch
                [0-9]+(?:\.[0-9]+)*   # release
                (?:                   # pre release
                    [-_\.]?
                    (a|b|c|rc|alpha|beta|pre|preview)
                    [-_\.]?
                    [0-9]*
                )?
                (?:                                   # post release
                    (?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
                )?
                (?:[-_\.]?dev[-_\.]?[0-9]*)?          # dev release
            )
        )
        rq   rr   
compatiblers   rt   ru   rv   rw   rx   	arbitrary)~=ry   rz   r{   r|   rJ   r}   ===r   c                 C   sJ   d tttt|d d }|d7 }| d||oH| d||S )N..*r|   ry   )joinlist	itertools	takewhile_is_not_suffix_version_splitrZ   )r   r   r>   prefixr   r   r   _compare_compatible  s     zSpecifier._compare_compatiblec           	      C   sz   | drVt|j}t|d d }tt|}|d t| }t||\}}||kS t|}|jsnt|j}||kS d S )Nr   )endswithr   publicr   r2   len_pad_versionlocal)	r   r   r>   Z
split_specZsplit_prospectiveZshortened_prospectiveZpadded_specZpadded_prospectiveZspec_versionr   r   r   r     s    

 
zSpecifier._compare_equalc                 C   s   |  || S rS   )r   r   r   r   r   r     s    zSpecifier._compare_not_equalc                 C   s   t |jt |kS rS   r   r   r   r   r   r   r     s    z"Specifier._compare_less_than_equalc                 C   s   t |jt |kS rS   r   r   r   r   r   r     s    z%Specifier._compare_greater_than_equal)r   spec_strr   c                 C   s<   t |}||k sdS |js8|jr8t |jt |jkr8dS dS NFT)r   re   base_versionr   r   r   r>   r   r   r   r     s    zSpecifier._compare_less_thanc                 C   s^   t |}||ksdS |js8|jr8t |jt |jkr8dS |jd k	rZt |jt |jkrZdS dS r   )r   is_postreleaser   r   r   r   r   r   r     s    
zSpecifier._compare_greater_thanc                 C   s   t | t | kS rS   )r2   lowerr   r   r   r   _compare_arbitrary%  s    zSpecifier._compare_arbitraryr   c                 C   sR   | j d k	r| j S | j\}}|dkrN|dkr@|dr@|d d }t|jrNdS dS )N)ry   r|   r{   r   r   ry   r   r   TF)rF   rE   r   r   re   )r   r@   rA   r   r   r   r%   (  s    


zSpecifier.prereleasesNr&   c                 C   s
   || _ d S rS   r_   r(   r   r   r   r%   A  s    )r   r   r   r   r   r   r   r   r;   r:   r   ro   r2   r5   r   r   r   r   r   r   r   r   r   rl   r%   r7   r   r   r   r   r   +  sB   ]' 	z^([0-9]+)((?:a|b|c|rc)[0-9]+)$r[   c                 C   s@   g }|  dD ],}t|}|r0||  q|| q|S )Nr   )split_prefix_regexrB   extendgroupsrf   )rA   resultr*   rG   r   r   r   r   I  s    
r   )segmentr   c                    s   t  fdddD  S )Nc                 3   s   | ]}  |V  qd S rS   )
startswith).0r   r   r   r   	<genexpr>U  s    z!_is_not_suffix.<locals>.<genexpr>)devabrcpost)anyr   r   r   r   r   T  s    r   )leftrightr   c              
   C   s   g g  }}| ttdd |  | ttdd | | | t|d d   | |t|d d   |ddgtdt|d t|d    |ddgtdt|d t|d    ttj| ttj| fS )Nc                 S   s   |   S rS   isdigitxr   r   r   <lambda>^      z_pad_version.<locals>.<lambda>c                 S   s   |   S rS   r   r   r   r   r   r   _  r   r   r   0)rf   r   r   r   r   insertmaxchain)r   r   
left_splitright_splitr   r   r   r   Z  s    
,,r   c                   @   s
  e Zd Zd#eee ddddZedddZedd	d
Ze	dddZ
ed ef d dddZeedddZe	dddZee dddZeee dddZejeddddZeedddZd$eee edddZd%ee ee ee d d!d"ZdS )&SpecifierSetr<   N)
specifiersr%   r   c              	   C   sn   dd | dD }t }|D ]:}z|t| W q tk
rV   |t| Y qX qt|| _|| _d S )Nc                 S   s   g | ]}|  r|  qS r   )rD   r   sr   r   r   
<listcomp>s  s      z)SpecifierSet.__init__.<locals>.<listcomp>,)	r   setaddr   r   rp   	frozenset_specsrF   )r   r   r%   Zsplit_specifiersparsed	specifierr   r   r   rH   m  s    
zSpecifierSet.__init__r   c                 C   s.   | j d k	rd| jnd}dt| | dS )NrI   r<   z<SpecifierSet(rL   )rF   r%   r2   rN   r   r   r   rP     s
    zSpecifierSet.__repr__c                 C   s   d tdd | jD S )Nr   c                 s   s   | ]}t |V  qd S rS   )r2   r   r   r   r   r     s     z'SpecifierSet.__str__.<locals>.<genexpr>)r   sortedr   r   r   r   r   r     s    zSpecifierSet.__str__c                 C   s
   t | jS rS   )rT   r   r   r   r   r   r      s    zSpecifierSet.__hash__r!   c                 C   s   t |trt|}nt |ts"tS t }t| j|jB |_| jd krX|jd k	rX|j|_n<| jd k	rv|jd krv| j|_n| j|jkr| j|_ntd|S )NzFCannot combine SpecifierSets with True and False prerelease overrides.)rU   r2   r   rV   r   r   rF   
ValueError)r   r"   r   r   r   r   __and__  s     





zSpecifierSet.__and__c                 C   s6   t |ttfrtt|}nt |ts*tS | j|jkS rS   )rU   r2   r9   r   rV   r   r#   r   r   r   r$     s
    
zSpecifierSet.__eq__c                 C   s
   t | jS rS   )r   r   r   r   r   r   __len__  s    zSpecifierSet.__len__c                 C   s
   t | jS rS   )iterr   r   r   r   r   __iter__  s    zSpecifierSet.__iter__c                 C   s.   | j d k	r| j S | jsd S tdd | jD S )Nc                 s   s   | ]}|j V  qd S rS   r%   r   r   r   r   r     s     z+SpecifierSet.prereleases.<locals>.<genexpr>)rF   r   r   r   r   r   r   r%     s
    
zSpecifierSet.prereleasesr&   c                 C   s
   || _ d S rS   r_   r(   r   r   r   r%     s    r`   c                 C   s
   |  |S rS   ra   rb   r   r   r   rc     s    zSpecifierSet.__contains__r)   c                    sL   t  ttfst  d kr$| js2 jr2dS t fdd| jD S )NFc                 3   s   | ]}|j  d V  qdS )r   Nra   r   r*   r%   r   r   r     s     z(SpecifierSet.contains.<locals>.<genexpr>)rU   r   r   r   r%   re   allr   r+   r   r   r   r,     s    
zSpecifierSet.containsr-   c                 C   s   |d kr| j }| jr6| jD ]}|j|t|d}q|S g }g }|D ]P}t|ttfs^t|}n|}t|trnqB|jr|s|s|	| qB|	| qB|s|r|d kr|S |S d S )Nr   )
r%   r   r/   r5   rU   r   r   r   re   rf   )r   r.   r%   r>   filteredrh   r*   rj   r   r   r   r/     s*    



zSpecifierSet.filter)r<   N)N)N)r   r   r   r2   r   r5   rH   rP   r   r3   r    r   r   r4   r$   r   r   r9   r   rl   r%   r7   rn   rc   r,   r   r   r/   r   r   r   r   r   l  s>       	    r   )+r0   r   r   r   r   typingr   r   r   r   r   r   r   r	   r
   r   r   utilsr   rA   r   r   r   ro   r2   rn   r   r5   rm   r   r   ABCMetar   r9   rp   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s6   43 
=  
*