Edit File: specifiers.cpython-36.pyc
3 �vhym � @ s� d dl mZmZmZ d dlZd dlZd dlZd dlZddlm Z m Z ddl m Z m Z mZ G dd� de�ZG dd � d e eje��ZG d d � d e�ZG d d � d e�Zdd� ZG dd� de�Zejd�Zdd� Zdd� ZG dd� de�Z dS )� )�absolute_import�division�print_functionN� )� string_types�with_metaclass)�Version� LegacyVersion�parsec @ s e Zd ZdZdS )�InvalidSpecifierzH An invalid specifier was found, users should refer to PEP 440. N)�__name__� __module__� __qualname__�__doc__� r r � /usr/lib/python3.6/specifiers.pyr s r c @ s� e Zd Zejdd� �Zejdd� �Zejdd� �Zejdd� �Zej d d � �Z e j d d � �Z ejdd d��Z ejddd��Z d S )� BaseSpecifierc C s dS )z� Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. Nr )�selfr r r �__str__ s zBaseSpecifier.__str__c C s dS )zF Returns a hash value for this Specifier like object. Nr )r r r r �__hash__ s zBaseSpecifier.__hash__c C s dS )zq Returns a boolean representing whether or not the two Specifier like objects are equal. Nr )r �otherr r r �__eq__$ s zBaseSpecifier.__eq__c C s dS )zu Returns a boolean representing whether or not the two Specifier like objects are not equal. Nr )r r r r r �__ne__+ s zBaseSpecifier.__ne__c C s dS )zg Returns whether or not pre-releases as a whole are allowed by this specifier. Nr )r r r r � prereleases2 s zBaseSpecifier.prereleasesc C s dS )zd Sets whether or not pre-releases as a whole are allowed by this specifier. Nr )r �valuer r r r 9 s Nc C s dS )zR Determines if the given item is contained within this specifier. Nr )r �itemr r r r �contains@ s zBaseSpecifier.containsc C s dS )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 �filterF s zBaseSpecifier.filter)N)N)r r r �abc�abstractmethodr r r r �abstractpropertyr �setterr r r r r r r s r c @ s� e Zd Zi Zd dd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z e dd� �Z e dd� �Ze dd� �Zejdd� �Zdd� Zd!d d �Zd"d d �ZdS )#�_IndividualSpecifier� Nc C sF | j j|�}|s tdj|���|jd�j� |jd�j� f| _|| _d S )NzInvalid specifier: '{0}'�operator�version)�_regex�searchr �format�group�strip�_spec� _prereleases)r �specr �matchr r r �__init__R s z _IndividualSpecifier.__init__c C s0 | j d k rdj| j�nd}dj| jjt| �|�S )Nz, prereleases={0!r}r$ z<{0}({1!r}{2})>)r- r) r � __class__r �str)r �prer r r �__repr___ s z _IndividualSpecifier.__repr__c C s dj | j� S )Nz{0}{1})r) r, )r r r r r l s z _IndividualSpecifier.__str__c C s t | j�S )N)�hashr, )r r r r r o s z _IndividualSpecifier.__hash__c C sL t |t�r0y| j|�}W q@ tk r, tS X nt || j�s@tS | j|jkS )N)� isinstancer r1 r �NotImplementedr, )r r r r r r r s z_IndividualSpecifier.__eq__c C sL t |t�r0y| j|�}W q@ tk r, tS X nt || j�s@tS | j|jkS )N)r6 r r1 r r7 r, )r r r r r r } s z_IndividualSpecifier.__ne__c C s t | dj| j| ��S )Nz _compare_{0})�getattrr) � _operators)r �opr r r � _get_operator� s z"_IndividualSpecifier._get_operatorc C s t |ttf�st|�}|S )N)r6 r r r )r r& r r r �_coerce_version� s z$_IndividualSpecifier._coerce_versionc C s | j d S )Nr )r, )r r r r r% � s z _IndividualSpecifier.operatorc C s | j d S )Nr )r, )r r r r r& � s z _IndividualSpecifier.versionc C s | j S )N)r- )r r r r r � s z _IndividualSpecifier.prereleasesc C s || _ d S )N)r- )r r r r r r � s c C s | j |�S )N)r )r r r r r � __contains__� s z!_IndividualSpecifier.__contains__c C s< |d kr| j }| j|�}|jr(| r(dS | j| j�|| j�S )NF)r r< � is_prereleaser; r% r& )r r r r r r r � s z _IndividualSpecifier.containsc c s� d}g }d|d k r|ndi}xL|D ]D}| j |�}| j|f|�r"|jr\|pL| j r\|j|� q"d}|V q"W | r�|r�x|D ] }|V qzW d S )NFr T)r< r r> r �append)r r r Zyielded�found_prereleases�kwr& �parsed_versionr r r r � s z_IndividualSpecifier.filter)r$ N)N)N)r r r r9 r0 r4 r r r r r; r< �propertyr% r& r r" r= r r r r r r r# N s r# c @ sv e Zd ZdZejde d ejejB �Zdddddd d �Z d d � Z d d� Z dd� Z dd� Z dd� Zdd� Zdd� ZdS )�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>=�<�>c C s t |t�stt|��}|S )N)r6 r r2 )r r& r r r r< � s z LegacySpecifier._coerce_versionc C s || j |�kS )N)r< )r � prospectiver. r r r �_compare_equal� s z LegacySpecifier._compare_equalc C s || j |�kS )N)r< )r rM r. r r r �_compare_not_equal� s z"LegacySpecifier._compare_not_equalc C s || j |�kS )N)r< )r rM r. r r r �_compare_less_than_equal� s z(LegacySpecifier._compare_less_than_equalc C s || j |�kS )N)r< )r rM r. r r r �_compare_greater_than_equal s z+LegacySpecifier._compare_greater_than_equalc C s || j |�k S )N)r< )r rM r. r r r �_compare_less_than s z"LegacySpecifier._compare_less_thanc C s || j |�kS )N)r< )r rM r. r r r �_compare_greater_than s z%LegacySpecifier._compare_greater_thanN)r r r � _regex_str�re�compile�VERBOSE� IGNORECASEr' r9 r< rN rO rP rQ rR rS r r r r rD � s rD c s t j� �� fdd��}|S )Nc s t |t�sdS � | ||�S )NF)r6 r )r rM r. )�fnr r �wrapped s z)_require_version_compare.<locals>.wrapped)� functools�wraps)rY rZ r )rY r �_require_version_compare s r] c @ s� e Zd ZdZejde d ejejB �Zdddddd d d d �Z e d d� �Z e dd� �Z e dd� �Z e dd� �Ze dd� �Ze dd� �Ze dd� �Zdd � Zed d � �Zejd d � �Zd 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 ) ) z^\s*z\s*$Z compatiblerE rF rG rH rI rJ Z arbitrary)z~=z==z!=z<=z>=rK rL z===c C sN dj ttjdd� t|���d d� �}|d7 }| jd�||�oL| jd�||�S ) N�.c S s | j d� o| j d� S )NZpostZdev)� startswith)�xr r r �<lambda>� s z/Specifier._compare_compatible.<locals>.<lambda>r z.*z>=z==���)�join�list� itertools� takewhile�_version_splitr; )r rM r. �prefixr r r �_compare_compatible� s z Specifier._compare_compatiblec C sp |j d�rPt|j�}t|d d� �}tt|��}|d t|�� }t||�\}}nt|�}|jsht|j�}||kS )Nz.*� ���)�endswithr Zpublicrh r2 �len� _pad_version�local)r rM r. r r r rN � s zSpecifier._compare_equalc C s | j ||� S )N)rN )r rM r. r r r rO � s z Specifier._compare_not_equalc C s |t |�kS )N)r )r rM r. r r r rP � s z"Specifier._compare_less_than_equalc C s |t |�kS )N)r )r rM r. r r r rQ � s z%Specifier._compare_greater_than_equalc C s> t |�}||k sdS |j r:|jr:t |j�t |j�kr:dS dS )NFT)r r> � base_version)r rM r. r r r rR � s z Specifier._compare_less_thanc C s` t |�}||ksdS |j r:|jr:t |j�t |j�kr:dS |jd k r\t |j�t |j�kr\dS dS )NFT)r Zis_postreleaserq rp )r rM r. r r r rS � s z Specifier._compare_greater_thanc C s t |�j� t |�j� kS )N)r2 �lower)r rM r. r r r �_compare_arbitrary s z Specifier._compare_arbitraryc C sR | j d k r| j S | j\}}|d krN|dkr@|jd�r@|d d � }t|�jrNdS d S ) N�==�>=�<=�~=�===z.*rk TF)rt ru rv rw rx rl )r- r, rm r r> )r r% r& r r r r s zSpecifier.prereleasesc C s || _ d S )N)r- )r r r r r r s N)r r r rT rU rV rW rX r' r9 r] rj rN rO rP rQ rR rS rs rC r r" r r r r r^ s* ^ # r^ z ^([0-9]+)((?:a|b|c|rc)[0-9]+)$c C sD g }x:| j d�D ],}tj|�}|r2|j|j� � q|j|� qW |S )Nr_ )�split� _prefix_regexr( �extend�groupsr? )r& �resultr r/ r r r rh ' s rh c C s� g g }}|j ttjdd� | ��� |j ttjdd� |��� |j | t|d �d � � |j |t|d �d � � |jddgtdt|d �t|d � � � |jddgtdt|d �t|d � � � ttj|� �ttj|� �fS )Nc S s | j � S )N)�isdigit)ra r r r rb 6 s z _pad_version.<locals>.<lambda>c S s | j � S )N)r~ )ra r r r rb 7 s r r �0)r? re rf rg rn �insert�max�chain)�left�rightZ left_splitZ right_splitr r r ro 2 s && ro c @ s� e Zd Zd dd�Zdd� Zdd� Zd d � Zd d � Zd d� Zdd� Z dd� Z dd� Z e dd� �Z e jdd� �Z dd� Zd dd�Zd d d �ZdS )!� SpecifierSetr$ Nc C sr dd� |j d�D �}t� }xB|D ]:}y|jt|�� W q tk rX |jt|�� Y q X q W t|�| _|| _d S )Nc S s g | ]}|j � r|j � �qS r )r+ )�.0�sr r r � <listcomp>R s z)SpecifierSet.__init__.<locals>.<listcomp>�,) ry �set�addr^ r rD � frozenset�_specsr- )r Z specifiersr Zparsed� specifierr r r r0 O s zSpecifierSet.__init__c C s* | j d k rdj| j�nd}djt| �|�S )Nz, prereleases={0!r}r$ z<SpecifierSet({0!r}{1})>)r- r) r r2 )r r3 r r r r4 d s zSpecifierSet.__repr__c C s dj tdd� | jD ���S )Nr� c s s | ]}t |�V qd S )N)r2 )r� r� r r r � <genexpr>n s z'SpecifierSet.__str__.<locals>.<genexpr>)rd �sortedr� )r r r r r m s zSpecifierSet.__str__c C s t | j�S )N)r5 r� )r r r r r p s zSpecifierSet.__hash__c C s� t |t�rt|�}nt |t�s"tS t� }t| j|jB �|_| jd krX|jd k rX|j|_n<| jd k rv|jd krv| j|_n | j|jkr�| j|_ntd��|S )NzFCannot combine SpecifierSets with True and False prerelease overrides.)r6 r r� r7 r� r� r- � ValueError)r r r� r r r �__and__s s zSpecifierSet.__and__c C sF t |t�rt|�}n&t |t�r,tt|��}nt |t�s:tS | j|jkS )N)r6 r r� r# r2 r7 r� )r r r r r r � s zSpecifierSet.__eq__c C sF t |t�rt|�}n&t |t�r,tt|��}nt |t�s:tS | j|jkS )N)r6 r r� r# r2 r7 r� )r r r r r r � s zSpecifierSet.__ne__c C s t | j�S )N)rn r� )r r r r �__len__� s zSpecifierSet.__len__c C s t | j�S )N)�iterr� )r r r r �__iter__� s zSpecifierSet.__iter__c C s. | j d k r| j S | jsd S tdd� | jD ��S )Nc s s | ] }|j V qd S )N)r )r� r� r r r r� � s z+SpecifierSet.prereleases.<locals>.<genexpr>)r- r� �any)r r r r r � s zSpecifierSet.prereleasesc C s || _ d S )N)r- )r r r r r r � s c C s | j |�S )N)r )r r r r r r= � s zSpecifierSet.__contains__c sN t � ttf�st� �� �d kr$| j�� r4� jr4dS t� �fdd�| jD ��S )NFc 3 s | ]}|j � �d �V qdS ))r N)r )r� r� )r r r r r� � s z(SpecifierSet.contains.<locals>.<genexpr>)r6 r r r r r> �allr� )r r r r )r r r r � s zSpecifierSet.containsc C s� |d kr| j }| jr:x | jD ]}|j|t|�d�}q W |S g }g }xZ|D ]R}t|ttf�sdt|�}n|}t|t�rtqH|jr�| r�|s�|j |� qH|j |� qHW | r�|r�|d kr�|S |S d S )N)r ) r r� r �boolr6 r r r r> r? )r r r r. Zfilteredr@ r rB r r r r � s* zSpecifierSet.filter)r$ N)N)N)r r r r0 r4 r r r� r r r� r� rC r r" r= r r r r r r r� M s r� ) Z __future__r r r r r[ rf rU Z_compatr r r& r r r r� r �ABCMeta�objectr r# rD r] r^ rV rz rh ro r� r r r r �<module> s& 9 4
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