U
    ]Rz                     @   sL  d dl mZmZmZ d dlZd dlZd dlZd dlZddlm	Z	m
Z
 ddlmZ ddlmZmZmZ erd dlmZmZmZmZmZmZmZmZmZ eeef Zeeeef Zeeegef ZG dd	 d	e Z!G d
d de
ej"e#Z$G dd de$Z%G dd de%Z&dd Z'G dd de%Z(e)dZ*dd Z+dd Z,G dd de$Z-dS )    )absolute_importdivisionprint_functionN   )string_typeswith_metaclass)MYPY_CHECK_RUNNING)VersionLegacyVersionparse)	ListDictUnionIterableIteratorOptionalCallableTuple	FrozenSetc                   @   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   6/usr/lib/python3/dist-packages/packaging/specifiers.pyr   !   s   r   c                   @   s   e Zd Zejdd Zejdd Zejdd Zejdd Zej	d	d
 Z
e
jdd
 Z
ejdddZejdddZdS )BaseSpecifierc                 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__0   s    zBaseSpecifier.__hash__c                 C   s   dS )zq
        Returns a boolean representing whether or not the two Specifier like
        objects are equal.
        Nr   r   otherr   r   r   __eq__7   s    zBaseSpecifier.__eq__c                 C   s   dS )zu
        Returns a boolean representing whether or not the two Specifier like
        objects are not equal.
        Nr   r!   r   r   r   __ne__?   s    zBaseSpecifier.__ne__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   prereleasesG   s    zBaseSpecifier.prereleasesc                 C   s   dS )zd
        Sets whether or not pre-releases as a whole are allowed by this
        specifier.
        Nr   r   valuer   r   r   r%   O   s    Nc                 C   s   dS )zR
        Determines if the given item is contained within this specifier.
        Nr   r   itemr%   r   r   r   containsW   s    zBaseSpecifier.containsc                 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   iterabler%   r   r   r   filter^   s    zBaseSpecifier.filter)N)N)r   r   r   abcabstractmethodr   r    r#   r$   abstractpropertyr%   setterr*   r,   r   r   r   r   r   '   s    





r   c                   @   s   e Zd Zi Z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edd Zedd Zedd Zejdd Zdd Zd!ddZd"ddZdS )#_IndividualSpecifier Nc                 C   sF   | j |}|std||d |d f| _|| _d S )NzInvalid specifier: '{0}'operatorversion)_regexsearchr   formatgroupstrip_spec_prereleases)r   specr%   matchr   r   r   __init__k   s    z_IndividualSpecifier.__init__c                 C   s0   | j d k	rd| jnd}d| jjt| |S )N, prereleases={0!r}r2   z<{0}({1!r}{2})>)r;   r7   r%   	__class__r   strr   Zprer   r   r   __repr__y   s
    z_IndividualSpecifier.__repr__c                 C   s   dj | j S )Nz{0}{1})r7   r:   r   r   r   r   r      s    z_IndividualSpecifier.__str__c                 C   s
   t | jS N)hashr:   r   r   r   r   r       s    z_IndividualSpecifier.__hash__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 rD   
isinstancer   r@   rA   r   NotImplementedr:   r!   r   r   r   r#      s    
z_IndividualSpecifier.__eq__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 rD   rF   r!   r   r   r   r$      s    
z_IndividualSpecifier.__ne__c                 C   s   t | d| j| }|S )Nz_compare_{0})getattrr7   
_operators)r   opoperator_callabler   r   r   _get_operator   s
     z"_IndividualSpecifier._get_operatorc                 C   s   t |ttfst|}|S rD   )rG   r
   r	   r   r   r4   r   r   r   _coerce_version   s    z$_IndividualSpecifier._coerce_versionc                 C   s
   | j d S )Nr   r:   r   r   r   r   r3      s    z_IndividualSpecifier.operatorc                 C   s
   | j d S )Nr   rP   r   r   r   r   r4      s    z_IndividualSpecifier.versionc                 C   s   | j S rD   r;   r   r   r   r   r%      s    z _IndividualSpecifier.prereleasesc                 C   s
   || _ d S rD   rQ   r&   r   r   r   r%      s    c                 C   s
   |  |S rD   r*   r   r)   r   r   r   __contains__   s    z!_IndividualSpecifier.__contains__c                 C   s>   |d kr| j }| |}|jr&|s&dS | | j}||| jS NF)r%   rO   is_prereleaserM   r3   r4   )r   r)   r%   Znormalized_itemrL   r   r   r   r*      s    

z_IndividualSpecifier.containsc                 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)rO   r*   rV   r%   append)r   r+   r%   yieldedfound_prereleaseskwr4   parsed_versionr   r   r   r,      s"    
z_IndividualSpecifier.filter)r2   N)N)N)r   r   r   rJ   r>   rC   r   r    r#   r$   rM   rO   propertyr3   r4   r%   r0   rT   r*   r,   r   r   r   r   r1   g   s(   






r1   c                   @   sv   e Zd ZdZede d ejejB Zdddddd	d
Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd ZdS )LegacySpecifiera  
        (?P<operator>(==|!=|<=|>=|<|>))
        \s*
        (?P<version>
            [^,;\s)]* # Since this is a "legacy" specifier, and the version
                      # string can be just about anything, we match everything
                      # except for whitespace, a semi-colon for marker support,
                      # a closing paren since versions can be enclosed in
                      # them, and a comma since it's a version separator.
        )
        ^\s*\s*$equal	not_equalless_than_equalgreater_than_equal	less_thangreater_than)==!=<=>=<>c                 C   s   t |tstt|}|S rD   )rG   r
   rA   rN   r   r   r   rO     s    
zLegacySpecifier._coerce_versionc                 C   s   ||  |kS rD   rO   r   prospectiver<   r   r   r   _compare_equal   s    zLegacySpecifier._compare_equalc                 C   s   ||  |kS rD   rl   rm   r   r   r   _compare_not_equal$  s    z"LegacySpecifier._compare_not_equalc                 C   s   ||  |kS rD   rl   rm   r   r   r   _compare_less_than_equal(  s    z(LegacySpecifier._compare_less_than_equalc                 C   s   ||  |kS rD   rl   rm   r   r   r   _compare_greater_than_equal,  s    z+LegacySpecifier._compare_greater_than_equalc                 C   s   ||  |k S rD   rl   rm   r   r   r   _compare_less_than0  s    z"LegacySpecifier._compare_less_thanc                 C   s   ||  |kS rD   rl   rm   r   r   r   _compare_greater_than4  s    z%LegacySpecifier._compare_greater_thanN)r   r   r   
_regex_strrecompileVERBOSE
IGNORECASEr5   rJ   rO   ro   rp   rq   rr   rs   rt   r   r   r   r   r]     s    	r]   c                    s   t   fdd}|S )Nc                    s   t |tsdS  | ||S rU   )rG   r	   rm   fnr   r   wrapped=  s    
z)_require_version_compare.<locals>.wrapped)	functoolswraps)r{   r|   r   rz   r   _require_version_compare9  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
dd Ze
dd Ze
dd Ze
dd Ze
dd Ze
dd Ze
dd Zdd Zedd Zejdd Zd S )!	Specifiera  
        (?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
            )
        )
        r^   r_   Z
compatibler`   ra   rb   rc   rd   re   Z	arbitrary)~=rf   rg   rh   ri   rj   rk   ===c                 C   sN   d ttdd t|d d }|d7 }| d||oL| d||S )N.c                 S   s   |  d o|  d S )NZpostZdev)
startswithxr   r   r   <lambda>      z/Specifier._compare_compatible.<locals>.<lambda>.*ri   rf   )joinlist	itertools	takewhile_version_splitrM   )r   rn   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	   Zpublicr   rA   len_pad_versionlocal)	r   rn   r<   Z
split_specZsplit_prospectiveZshortened_prospectiveZpadded_specZpadded_prospectiveZspec_versionr   r   r   ro     s    

 
zSpecifier._compare_equalc                 C   s   |  || S rD   )ro   rm   r   r   r   rp     s    zSpecifier._compare_not_equalc                 C   s   |t |kS rD   r	   rm   r   r   r   rq     s    z"Specifier._compare_less_than_equalc                 C   s   |t |kS rD   r   rm   r   r   r   rr     s    z%Specifier._compare_greater_than_equalc                 C   s<   t |}||k sdS |js8|jr8t |jt |jkr8dS dS NFT)r	   rV   base_versionr   rn   Zspec_strr<   r   r   r   rs     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	   Zis_postreleaser   r   r   r   r   r   rt   #  s    
zSpecifier._compare_greater_thanc                 C   s   t | t | kS rD   )rA   lowerrm   r   r   r   _compare_arbitraryD  s    zSpecifier._compare_arbitraryc                 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)rf   ri   rh   r   r   rf   r   r   TF)r;   r:   r   r   rV   )r   r3   r4   r   r   r   r%   H  s    


zSpecifier.prereleasesc                 C   s
   || _ d S rD   rQ   r&   r   r   r   r%   b  s    N)r   r   r   ru   rv   rw   rx   ry   r5   rJ   r   r   ro   rp   rq   rr   rs   rt   r   r\   r%   r0   r   r   r   r   r   G  s<   ]

(




 
r   z^([0-9]+)((?:a|b|c|rc)[0-9]+)$c                 C   s@   g }|  dD ],}t|}|r0||  q|| q|S )Nr   )split_prefix_regexr6   extendgroupsrW   )r4   resultr)   r=   r   r   r   r   k  s    
r   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 rD   isdigitr   r   r   r   r   |  r   z_pad_version.<locals>.<lambda>c                 S   s   |   S rD   r   r   r   r   r   r   }  r   r   r   0)rW   r   r   r   r   insertmaxchain)leftrightZ
left_splitZright_splitr   r   r   r   w  s    
,,r   c                   @   s   e Zd Z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edd Zejdd Zdd ZdddZd ddZdS )!SpecifierSetr2   Nc              	   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   )r9   .0sr   r   r   
<listcomp>  s      z)SpecifierSet.__init__.<locals>.<listcomp>,)	r   setaddr   r   r]   	frozenset_specsr;   )r   Z
specifiersr%   Zsplit_specifiersZparsed	specifierr   r   r   r>     s    
zSpecifierSet.__init__c                 C   s*   | j d k	rd| jnd}dt| |S )Nr?   r2   z<SpecifierSet({0!r}{1})>)r;   r7   r%   rA   rB   r   r   r   rC     s
    zSpecifierSet.__repr__c                 C   s   d tdd | jD S )Nr   c                 s   s   | ]}t |V  qd S rD   )rA   r   r   r   r   	<genexpr>  s     z'SpecifierSet.__str__.<locals>.<genexpr>)r   sortedr   r   r   r   r   r     s    zSpecifierSet.__str__c                 C   s
   t | jS rD   )rE   r   r   r   r   r   r      s    zSpecifierSet.__hash__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.)rG   r   r   rH   r   r   r;   
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 rD   rG   r   r1   r   rA   rH   r   r!   r   r   r   r#     s
    
zSpecifierSet.__eq__c                 C   s6   t |ttfrtt|}nt |ts*tS | j|jkS rD   r   r!   r   r   r   r$     s
    
zSpecifierSet.__ne__c                 C   s
   t | jS rD   )r   r   r   r   r   r   __len__  s    zSpecifierSet.__len__c                 C   s
   t | jS rD   )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 rD   r%   r   r   r   r   r     s     z+SpecifierSet.prereleases.<locals>.<genexpr>)r;   r   anyr   r   r   r   r%     s
    
zSpecifierSet.prereleasesc                 C   s
   || _ d S rD   rQ   r&   r   r   r   r%     s    c                 C   s
   |  |S rD   rR   rS   r   r   r   rT     s    zSpecifierSet.__contains__c                    sL   t  ttfst  d kr$| js2 jr2dS t fdd| jD S )NFc                 3   s   | ]}|j  d V  qdS )r   NrR   r   r)   r%   r   r   r     s     z(SpecifierSet.contains.<locals>.<genexpr>)rG   r
   r	   r   r%   rV   allr   r(   r   r   r   r*     s    
zSpecifierSet.containsc                 C   s   |d kr| j }| jr6| jD ]}|j|t|d}q|S g }g }|D ]P}t|ttfs^t|}n|}t|trnqB|jr|s|s|	| qB|	| qB|s|r|d kr|S |S d S )Nr   )
r%   r   r,   boolrG   r
   r	   r   rV   rW   )r   r+   r%   r<   ZfilteredrY   r)   r[   r   r   r   r,     s*    




zSpecifierSet.filter)r2   N)N)N)r   r   r   r>   rC   r   r    r   r#   r$   r   r   r\   r%   r0   rT   r*   r,   r   r   r   r   r     s"   

		


 r   ).Z
__future__r   r   r   r-   r}   r   rv   Z_compatr   r   Z_typingr   r4   r	   r
   r   typingr   r   r   r   r   r   r   r   r   ZParsedVersionrA   ZUnparsedVersionr   ZCallableOperatorr   r   ABCMetaobjectr   r1   r]   r   r   rw   r   r   r   r   r   r   r   r   <module>   s2   ,@ 8  #
