3
du                 @   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j%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   9/tmp/pip-build-7vycvbft/packaging/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               @   sJ  e Zd ZU i Zeeef ee 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$d%Zd+ee  ee	 ee  d&d'd(Z!dS ),_IndividualSpecifier N)specr!   r   c             C   sH   | j j|}|s td| d|jdj |jdj f| _|| _d S )NzInvalid specifier: ''operatorversion)_regexsearchr   groupstrip_spec_prereleases)r   r2   r!   matchr   r   r   __init___   s    z_IndividualSpecifier.__init__)r   c             C   s8   | j d k	rd| jnd}d| jj dt| | dS )Nz, prereleases=r1   <(z)>)r;   r!   	__class__r   r)   )r   prer   r   r   __repr__l   s    z_IndividualSpecifier.__repr__c             C   s   dj | j S )Nz{}{})formatr:   )r   r   r   r   r   u   s    z_IndividualSpecifier.__str__c             C   s   | j d t| j d fS )Nr   r   )r:   r   )r   r   r   r   _canonical_specx   s    z$_IndividualSpecifier._canonical_specc             C   s
   t | jS )N)hashrD   )r   r   r   r   r   |   s    z_IndividualSpecifier.__hash__)r   r   c             C   sP   t |tr4y| jt|}W qD tk
r0   tS X nt || jsDtS | j|jkS )N)
isinstancer)   r@   r   NotImplementedrD   )r   r   r   r   r   r       s    
z_IndividualSpecifier.__eq__)opr   c             C   s   t | d| j|  }|S )NZ	_compare_)getattr
_operators)r   rH   operator_callabler   r   r   _get_operator   s    z"_IndividualSpecifier._get_operator)r5   r   c             C   s   t |ttfst|}|S )N)rF   r   r   r   )r   r5   r   r   r   _coerce_version   s    z$_IndividualSpecifier._coerce_versionc             C   s
   | j d S )Nr   )r:   )r   r   r   r   r4      s    z_IndividualSpecifier.operatorc             C   s
   | j d S )Nr   )r:   )r   r   r   r   r5      s    z_IndividualSpecifier.versionc             C   s   | j S )N)r;   )r   r   r   r   r!      s    z _IndividualSpecifier.prereleases)r"   r   c             C   s
   || _ d S )N)r;   )r   r"   r   r   r   r!      s    )r#   r   c             C   s
   | j |S )N)r$   )r   r#   r   r   r   __contains__   s    z!_IndividualSpecifier.__contains__)r#   r!   r   c             C   s@   |d kr| j }| j|}|jr(| r(dS | j| j}||| jS )NF)r!   rM   is_prereleaserL   r4   r5   )r   r#   r!   Znormalized_itemrK   r   r   r   r$      s    
z_IndividualSpecifier.contains)r%   r!   r   c             c   s   d}g }d|d k	r|ndi}xL|D ]D}| j |}| j|f|r"|jr\|pL| j r\|j| q"d}|V  q"W | r|rx|D ]
}|V  qzW d S )NFr!   T)rM   r$   rO   r!   append)r   r%   r!   yieldedfound_prereleaseskwr5   parsed_versionr   r   r   r&      s    




z_IndividualSpecifier.filter)r1   N)N)N)"r   r   r   rJ   r   r)   r   r6   r   r,   r=   rB   r   propertyr
   rD   r*   r   r+   r    CallableOperatorrL   UnparsedVersionParsedVersionrM   r4   r5   r!   r.   rN   r$   r   r   r&   r   r   r   r   r0   Z   s0   
	
r0   c                   s   e Zd ZdZejde d ejejB Zdddddd	d
Z	d e
ee dd fddZeedddZee
edddZee
edddZee
edddZee
edddZee
edddZee
edddZ  ZS )!LegacySpecifiera  
        (?P<operator>(==|!=|<=|>=|<|>))
        \s*
        (?P<version>
            [^,;\s)]* # Since this is a "legacy" specifier, and the version
                      # string can be just about anything, we match everything
                      # except for whitespace, a semi-colon for marker support,
                      # a closing paren since versions can be enclosed in
                      # them, and a comma since it's a version separator.
        )
        z^\s*z\s*$equal	not_equalless_than_equalgreater_than_equal	less_thangreater_than)z==z!=z<=z>=r>   >r1   N)r2   r!   r   c                s   t  j|| tjdt d S )NzZCreating a LegacyVersion has been deprecated and will be removed in the next major release)superr=   warningswarnDeprecationWarning)r   r2   r!   )r@   r   r   r=      s    zLegacySpecifier.__init__)r5   r   c             C   s   t |tstt|}|S )N)rF   r   r)   )r   r5   r   r   r   rM     s    
zLegacySpecifier._coerce_version)prospectiver2   r   c             C   s   || j |kS )N)rM   )r   re   r2   r   r   r   _compare_equal
  s    zLegacySpecifier._compare_equalc             C   s   || j |kS )N)rM   )r   re   r2   r   r   r   _compare_not_equal  s    z"LegacySpecifier._compare_not_equalc             C   s   || j |kS )N)rM   )r   re   r2   r   r   r   _compare_less_than_equal  s    z(LegacySpecifier._compare_less_than_equalc             C   s   || j |kS )N)rM   )r   re   r2   r   r   r   _compare_greater_than_equal  s    z+LegacySpecifier._compare_greater_than_equalc             C   s   || j |k S )N)rM   )r   re   r2   r   r   r   _compare_less_than  s    z"LegacySpecifier._compare_less_thanc             C   s   || j |kS )N)rM   )r   re   r2   r   r   r   _compare_greater_than  s    z%LegacySpecifier._compare_greater_than)r1   N)r   r   r   
_regex_strrecompileVERBOSE
IGNORECASEr6   rJ   r)   r   r,   r=   rW   r   rM   rf   rg   rh   ri   rj   rk   __classcell__r   r   )r@   r   rY      s"   	rY   	Specifier)fnr   c                s&   t j dtttd fdd}|S )Nrr   )r   re   r2   r   c                s   t |tsdS  | ||S )NF)rF   r   )r   re   r2   )rs   r   r   wrapped"  s    
z)_require_version_compare.<locals>.wrapped)	functoolswrapsrX   r)   r,   )rs   rt   r   )rs   r   _require_version_compare  s    rw   c            	   @   s  e Zd ZdZej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 )%rr   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
            )
        )
        z^\s*z\s*$
compatiblerZ   r[   r\   r]   r^   r_   	arbitrary)z~=z==z!=z<=z>=r>   r`   z===)re   r2   r   c             C   sJ   dj ttjtt|d d }|d7 }| jd||oH| jd||S )N.r   z.*z>=z==)joinlist	itertools	takewhile_is_not_suffix_version_splitrL   )r   re   r2   prefixr   r   r   _compare_compatible  s
    zSpecifier._compare_compatiblec       	      C   sz   |j drVt|j}t|d d }tt|}|d t| }t||\}}||kS t|}|jsnt|j}||kS d S )Nz.*   )endswithr   publicr   r)   len_pad_versionlocal)	r   re   r2   Z
split_specZsplit_prospectiveZshortened_prospectiveZpadded_specZpadded_prospectiveZspec_versionr   r   r   rf     s    


zSpecifier._compare_equalc             C   s   | j || S )N)rf   )r   re   r2   r   r   r   rg     s    zSpecifier._compare_not_equalc             C   s   t |jt |kS )N)r   r   )r   re   r2   r   r   r   rh     s    z"Specifier._compare_less_than_equalc             C   s   t |jt |kS )N)r   r   )r   re   r2   r   r   r   ri     s    z%Specifier._compare_greater_than_equal)re   spec_strr   c             C   s>   t |}||k sdS |j r:|jr:t |jt |jkr:dS dS )NFT)r   rO   base_version)r   re   r   r2   r   r   r   rj     s    zSpecifier._compare_less_thanc             C   s`   t |}||ksdS |j r:|jr:t |jt |jkr:dS |jd k	r\t |jt |jkr\dS dS )NFT)r   is_postreleaser   r   )r   re   r   r2   r   r   r   rk     s    
zSpecifier._compare_greater_thanc             C   s   t |j t |j kS )N)r)   lower)r   re   r2   r   r   r   _compare_arbitrary%  s    zSpecifier._compare_arbitrary)r   c             C   sR   | j d k	r| j S | j\}}|d
krN|dkr@|jdr@|d d }t|jrNdS d	S )N==>=<=~====z.*r   TF)r   r   r   r   r   r   )r;   r:   r   r   rO   )r   r4   r5   r   r   r   r!   (  s    


zSpecifier.prereleasesN)r"   r   c             C   s
   || _ d S )N)r;   )r   r"   r   r   r   r!   A  s    )r   r   r   rl   rm   rn   ro   rp   r6   rJ   rw   rX   r)   r,   r   rf   rg   rh   ri   rj   rk   r   r   rU   r!   r.   r   r   r   r   rr   +  s<   ]'z^([0-9]+)((?:a|b|c|rc)[0-9]+)$)r5   r   c             C   sD   g }x:| j dD ],}tj|}|r2|j|j  q|j| qW |S )Nrz   )split_prefix_regexr7   extendgroupsrP   )r5   resultr#   r<   r   r   r   r   I  s    
r   )segmentr   c                s   t  fdddD  S )	Nc             3   s   | ]} j |V  qd S )N)
startswith).0r   )r   r   r   	<genexpr>V  s    z!_is_not_suffix.<locals>.<genexpr>devabrcpost)r   r   r   r   r   )any)r   r   )r   r   r   T  s    r   )leftrightr   c          	   C   s   g g  }}|j ttjdd |  |j ttjdd | |j | t|d d   |j |t|d d   |jddgtdt|d t|d    |jddgtdt|d t|d    ttj| ttj| fS )Nc             S   s   | j  S )N)isdigit)xr   r   r   <lambda>^  s    z_pad_version.<locals>.<lambda>c             S   s   | j  S )N)r   )r   r   r   r   r   _  s    r   r   0)rP   r}   r~   r   r   insertmaxchain)r   r   
left_splitright_splitr   r   r   r   Z  s    
,,r   c               @   s
  e Zd Zd#eee ddddZedddZedd	d
Ze	dddZ
ed ef d dddZeedddZe	dddZee dddZeee dddZejeddddZeedddZd$eee edddZd%ee ee ee d d!d"ZdS )&SpecifierSetr1   N)
specifiersr!   r   c             C   sr   dd |j dD }t }xB|D ]:}y|jt| W q  tk
rX   |jt| Y q X q W t|| _|| _d S )Nc             S   s   g | ]}|j  r|j  qS r   )r9   )r   sr   r   r   
<listcomp>s  s    z)SpecifierSet.__init__.<locals>.<listcomp>,)	r   setaddrr   r   rY   	frozenset_specsr;   )r   r   r!   Zsplit_specifiersparsed	specifierr   r   r   r=   m  s    

zSpecifierSet.__init__)r   c             C   s.   | j d k	rd| jnd}dt| | dS )Nz, prereleases=r1   z<SpecifierSet(z)>)r;   r!   r)   )r   rA   r   r   r   rB     s    zSpecifierSet.__repr__c             C   s   dj tdd | jD S )Nr   c             s   s   | ]}t |V  qd S )N)r)   )r   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 )N)rE   r   )r   r   r   r   r     s    zSpecifierSet.__hash__)r   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.)rF   r)   r   rG   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 )N)rF   r)   r0   r   rG   r   )r   r   r   r   r   r      s
    
zSpecifierSet.__eq__c             C   s
   t | jS )N)r   r   )r   r   r   r   __len__  s    zSpecifierSet.__len__c             C   s
   t | jS )N)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 )N)r!   )r   r   r   r   r   r     s    z+SpecifierSet.prereleases.<locals>.<genexpr>)r;   r   r   )r   r   r   r   r!     s
    
zSpecifierSet.prereleases)r"   r   c             C   s
   || _ d S )N)r;   )r   r"   r   r   r   r!     s    )r#   r   c             C   s
   | j |S )N)r$   )r   r#   r   r   r   rN     s    zSpecifierSet.__contains__)r#   r!   r   c                sN   t  ttfst  d kr$| j r4 jr4dS t fdd| jD S )NFc             3   s   | ]}|j  d V  qdS ))r!   N)r$   )r   r   )r#   r!   r   r   r     s    z(SpecifierSet.contains.<locals>.<genexpr>)rF   r   r   r   r!   rO   allr   )r   r#   r!   r   )r#   r!   r   r$     s    zSpecifierSet.contains)r%   r!   r   c             C   s   |d kr| j }| jr:x | jD ]}|j|t|d}qW |S g }g }xZ|D ]R}t|ttfsdt|}n|}t|trtqH|jr| r|s|j	| qH|j	| qHW | r|r|d kr|S |S d S )N)r!   )
r!   r   r&   r,   rF   r   r   r   rO   rP   )r   r%   r!   r2   filteredrR   r#   rT   r   r   r   r&     s*    


zSpecifierSet.filter)r1   N)N)N)r   r   r   r)   r   r,   r=   rB   r   r*   r   r   r   r+   r    r   r   r0   r   rU   r!   r.   rW   rN   r$   r   r   r&   r   r   r   r   r   l  s$   
	
r   )+r'   ru   r~   rm   rb   typingr   r   r   r   r   r   r   r	   r
   r   r   utilsr   r5   r   r   r   rX   r)   rW   r   r,   rV   r   r   ABCMetar   r0   rY   rw   rr   rn   r   r   r   r   r   r   r   r   r   <module>   s4   43 
=
  
*