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편집 파일: versionpredicate.cpython-35.pyc
��Yf � @ s� d Z d d l Z d d l Z d d l Z e j d e j � Z e j d � Z e j d � Z d d � Z d e j d e j d e j d e j d e j d e j i Z Gd d � d � Z d a d d � Z d S)zBModule for parsing and testing package version predicate strings. � Nz'(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)z^\s*\((.*)\)\s*$z%^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$c C sM t j | � } | s% t d | � � | j � \ } } | t j j | � f S)zVParse a single version comparison. Return (comparison string, StrictVersion) z"bad package restriction syntax: %r)�re_splitComparison�match� ValueError�groups� distutils�version� StrictVersion)�pred�res�compZverStr� r �?/opt/alt/python35/lib64/python3.5/distutils/versionpredicate.py�splitUp s r �<z<=z==�>z>=z!=c @ s: e Z d Z d Z d d � Z d d � Z d d � Z d S) �VersionPredicatea� Parse and test package version predicates. >>> v = VersionPredicate('pyepat.abc (>1.0, <3333.3a1, !=1555.1b3)') The `name` attribute provides the full dotted name that is given:: >>> v.name 'pyepat.abc' The str() of a `VersionPredicate` provides a normalized human-readable version of the expression:: >>> print(v) pyepat.abc (> 1.0, < 3333.3a1, != 1555.1b3) The `satisfied_by()` method can be used to determine with a given version number is included in the set described by the version restrictions:: >>> v.satisfied_by('1.1') True >>> v.satisfied_by('1.4') True >>> v.satisfied_by('1.0') False >>> v.satisfied_by('4444.4') False >>> v.satisfied_by('1555.1b3') False `VersionPredicate` is flexible in accepting extra whitespace:: >>> v = VersionPredicate(' pat( == 0.1 ) ') >>> v.name 'pat' >>> v.satisfied_by('0.1') True >>> v.satisfied_by('0.2') False If any version numbers passed in do not conform to the restrictions of `StrictVersion`, a `ValueError` is raised:: >>> v = VersionPredicate('p1.p2.p3.p4(>=1.0, <=1.3a1, !=1.2zb3)') Traceback (most recent call last): ... ValueError: invalid version number '1.2zb3' It the module or package name given does not conform to what's allowed as a legal module or package name, `ValueError` is raised:: >>> v = VersionPredicate('foo-bar') Traceback (most recent call last): ... ValueError: expected parenthesized list: '-bar' >>> v = VersionPredicate('foo bar (12.21)') Traceback (most recent call last): ... ValueError: expected parenthesized list: 'bar (12.21)' c C s� | j � } | s t d � � t j | � } | sC t d | � � | j � \ | _ } | j � } | r� t j | � } | s� t d | � � | j � d } d d � | j d � D� | _ | j s� t d | � � n g | _ d S) z*Parse a version predicate string. zempty package restrictionzbad package name in %rz expected parenthesized list: %rr c S s g | ] } t | � � q Sr )r )�.0ZaPredr r r � <listcomp>t s z-VersionPredicate.__init__.<locals>.<listcomp>�,z empty parenthesized list in %rN) �stripr �re_validPackager r �name�re_paren�splitr )�selfZversionPredicateStrr Zparen�strr r r �__init__` s$ zVersionPredicate.__init__c C sF | j r; d d � | j D� } | j d d j | � d S| j Sd S)Nc S s* g | ] \ } } | d t | � � q S)� )r )r �cond�verr r r r } s z,VersionPredicate.__str__.<locals>.<listcomp>z (z, �))r r �join)r �seqr r r �__str__{ s zVersionPredicate.__str__c C s5 x. | j D]# \ } } t | | | � s d Sq Wd S)z�True if version is compatible with all the predicates in self. The parameter version must be acceptable to the StrictVersion constructor. It may be either a string or StrictVersion. FT)r �compmap)r r r r r r r � satisfied_by� s z VersionPredicate.satisfied_byN)�__name__� __module__� __qualname__�__doc__r r# r% r r r r r s ? r c C s� t d k r! t j d t j � a | j � } t j | � } | sR t d | � � | j d � pd d } | r t j j | � } | j d � | f S)a9 Return the name and optional version number of a provision. The version number, if given, will be returned as a `StrictVersion` instance, otherwise it will be `None`. >>> split_provision('mypkg') ('mypkg', None) >>> split_provision(' mypkg( 1.2 ) ') ('mypkg', StrictVersion ('1.2')) Nz=([a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*)(?:\s*\(\s*([^)\s]+)\s*\))?$z"illegal provides specification: %r� � ) � _provision_rx�re�compile�ASCIIr r r �groupr r r )�value�mr r r r �split_provision� s r3 )r) r- Zdistutils.versionr �operatorr. r/ r r r r �lt�le�eq�gt�ge�ner$ r r, r3 r r r r �<module> s !n