관리-도구
편집 파일: markers.cpython-35.pyc
��Re# � @ s� d 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 d d l m Z m Z d g Z d d � Z Gd d � d e � Z d d � Z e � Z [ e � Z d d d � Z d S)zG Parser for the environment markers micro-language defined in PEP 508. � N� )�python_implementation�urlparse� string_types)�in_venv� parse_marker� interpretc C s) t | t � s | r d S| d d k S)NFr z'")� isinstancer )�o� r ��/builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/distlib/markers.py� _is_literal 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 d � d d d � d d d � d d d � d d d � d d d � d d d � i Z d d � Z d S) � Evaluatorz; This class is used to evaluate marker expessions. z==c C s | | k S)Nr )�x�yr r r �<lambda>$ s zEvaluator.<lambda>z===c C s | | k S)Nr )r r r r r r % s z~=c C s | | k p | | k S)Nr )r r r r r r & s z!=c C s | | k S)Nr )r r r r r r ' s �<c C s | | k S)Nr )r r r r r r ( s z<=c C s | | k p | | k S)Nr )r r r r r r ) s �>c C s | | k S)Nr )r r r r r r * s z>=c C s | | k p | | k S)Nr )r r r r r r + s �andc C s | o | S)Nr )r r r r r r , s �orc C s | p | S)Nr )r r r r r r - s �inc C s | | k S)Nr )r r r r r r . s znot inc C s | | k S)Nr )r r r r r r / s c C s$ t | t � r[ | d d k r2 | d d � } q | | k rN t d | � � | | } n� t | t � sp t � | d } | | j k r� t d | � � | d } | d } t | d � r� t | d � r� t d | | | f � � | j | | � } | j | | � } | j | | | � } | S) z� Evaluate a marker expression returned by the :func:`parse_requirement` function in the specified context. r z'"r zunknown variable: %s�opzop not implemented: %s�lhs�rhsz invalid comparison: %s %s %s���) r r � SyntaxError�dict�AssertionError� operations�NotImplementedErrorr �evaluate) �self�expr�context�resultr ZelhsZerhsr r r r r r 2 s$ zEvaluator.evaluateN)�__name__� __module__� __qualname__�__doc__r r r r r r r s r c C s� d d � } t t d � r< | t j j � } t j j } n d } d } d | d | d t j d t j � d t j � d t j � d t j � d t j � d t t � � d t j � d t j � d d � d t j i } | S)Nc S sP d | j | j | j f } | j } | d k rL | | d t | j � 7} | S)Nz%s.%s.%s�finalr )�major�minor�micro� releaselevel�str�serial)�info�version�kindr r r �format_full_versionN s z,default_context.<locals>.format_full_version�implementation�0� �implementation_name�implementation_version�os_name�platform_machine� platform_python_implementation�platform_release�platform_system�platform_versionZplatform_in_venv�python_full_version�python_version� � sys_platform)�hasattr�sysr4 r1 �name�os�platform�machiner �release�systemr. r r@ )r3 r8 r7 r$ r r r �default_contextM s& rK c C s� y t | � \ } } Wn; t k rS } z t d | | f � � WYd d } ~ Xn X| r� | d d k r� t d | | f � � t t � } | r� | j | � t j | | � S)z� Interpret a marker and return a result depending on environment. :param marker: The marker to interpret. :type marker: str :param execution_context: The context used for name lookup. :type execution_context: mapping z)Unable to interpret marker syntax: %s: %sNr �#z*unexpected trailing data in marker: %s: %s)r � Exceptionr r �DEFAULT_CONTEXT�update� evaluatorr )�markerZexecution_contextr" �rest�er# r r r r q s ) )r( rF rD rG �re�compatr r r �utilr r �__all__r �objectr rK rN rP r r r r r �<module> s /