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versionpredicate.cpython-310.pyc
o bc @ s d Z ddlZddlZddlZedejZedZedZ dd Z ej ej ej ejejejdZG d d d Zdad d ZdS ) 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 s6 t | }|s td| | \}}|tj|fS )zVParse a single version comparison. Return (comparison string, StrictVersion) z"bad package restriction syntax: %r)re_splitComparisonmatch ValueErrorgroups distutilsversion StrictVersion)predrescompverStr r 1/usr/lib/python3.10/distutils/versionpredicate.pysplitUp s r )<z<=z==>z>=z!=c @ s( e Zd ZdZdd Zdd Zdd ZdS ) 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 | }|s tdt|}|std| | \| _}| }|rMt|}|s1td| | d }dd |dD | _| jsKtd| d S 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 |qS r )r ).0aPredr r r <listcomp>t s z-VersionPredicate.__init__.<locals>.<listcomp>,z empty parenthesized list in %rN) stripr re_validPackager r namere_parensplitr )selfversionPredicateStrr parenstrr r r __init__` s( zVersionPredicate.__init__c C s4 | j rdd | j D }| jd d| d S | jS )Nc S s g | ] \}}|d t | qS ) )r )r condverr r r r } s z,VersionPredicate.__str__.<locals>.<listcomp>z (z, ))r r join)r seqr r r __str__{ s zVersionPredicate.__str__c C s( | j D ]\}}t| ||s dS qdS )zTrue 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 sd t du r tdtja | } t | }|s td| |dp"d}|r+tj |}|d|fS )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_rxrecompileASCIIr r r groupr r r )valuemr# r r r split_provision s r7 )r- r1 distutils.versionr operatorr2 r3 r r r r ltleeqgtgener( r r0 r7 r r r r <module> s n