][\ @sdZddlZddlZddlZejdejZejdZejdZ ddZ iej d6ej d 6ej d 6ejd 6ejd 6ejd 6ZGdddZdaddZdS)zBModule for parsing and testing package version predicate strings. Nz'(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)z^\s*\((.*)\)\s*$z%^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$cCsPtj|}|s(td|n|j\}}|tjj|fS)zVParse a single version comparison. Return (comparison string, StrictVersion) z"bad package restriction syntax: %r)re_splitComparisonmatch ValueErrorgroups distutilsversion StrictVersion)predZrescompZverStrr 0/usr/lib/python3.4/distutils/versionpredicate.pysplitUps r z>=z!=c@s:eZdZdZddZddZddZdS) VersionPredicateaParse 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)' cCs|j}|s!tdntj|}|sItd|n|j\|_}|j}|rtj|}|std|n|jd}dd|jdD|_|jstd|qn g|_d S) z*Parse a version predicate string. zempty package restrictionzbad package name in %rzexpected parenthesized list: %rrcSsg|]}t|qSr )r ).0ZaPredr r r ts z-VersionPredicate.__init__..,zempty parenthesized list in %rN) striprre_validPackagerrnamere_parensplitr )selfZversionPredicateStrrZparenstrr r r __init__`s$   zVersionPredicate.__init__cCsF|jr;dd|jD}|jddj|dS|jSdS)NcSs*g|] \}}|dt|qS) )r)rcondverr r r r}s z,VersionPredicate.__str__..z (z, ))r rjoin)rseqr r r __str__{s zVersionPredicate.__str__cCs5x.|jD]#\}}t|||s dSq WdS)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)rrrrr r r satisfied_byszVersionPredicate.satisfied_byN)__name__ __module__ __qualname____doc__rr"r$r r r r rs ?  rcCstdkr$tjdtjan|j}tj|}|sXtd|n|jdpjd}|rtj j |}n|jd|fS)a9Return 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_rxrecompileASCIIrrrgrouprrr)valuemrr r r split_provisions  r2)r(r,Zdistutils.versionroperatorr-r.rrrr ltleeqgtgener#rr+r2r r r r s      !!n