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� �,bc@s�dZddlZddlZddlZejd�Zejd�Zejd�Zd�Z iej d6ejd6ejd 6ej d 6ejd6ejd6Zd dd��YZdad�ZdS(sBModule for parsing and testing package version predicate strings. i����Ns'(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)s^\s*\((.*)\)\s*$s%^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$cCsPtj|�}|s(td|��n|j�\}}|tjj|�fS(sVParse a single version comparison. Return (comparison string, StrictVersion) s"bad package restriction syntax: %r(tre_splitComparisontmatcht ValueErrortgroupst distutilstversiont StrictVersion(tpredtrestcomptverStr((s0/usr/lib/python2.7/distutils/versionpredicate.pytsplitUps t<s<=s==t>s>=s!=tVersionPredicatecBs)eZdZd�Zd�Zd�ZRS(s�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)' cCs�|j�}|s!td��ntj|�}|sItd|��n|j�\|_}|j�}|r�tj|�}|s�td|��n|j�d}g|jd�D]}t|�^q�|_ |j s�td|��q�n g|_ dS(s*Parse a version predicate string. sempty package restrictionsbad package name in %rsexpected parenthesized list: %rit,sempty parenthesized list in %rN( tstripRtre_validPackageRRtnametre_parentsplitRR(tselftversionPredicateStrRtparentstrtaPred((s0/usr/lib/python2.7/distutils/versionpredicate.pyt__init___s$+ cCs`|jrUg|jD] \}}|dt|�^q}|jddj|�dS|jSdS(Nt s (s, t)(RRRtjoin(Rtcondtvertseq((s0/usr/lib/python2.7/distutils/versionpredicate.pyt__str__zs 0cCs5x.|jD]#\}}t|||�s tSq WtS(s�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. (RtcompmaptFalsetTrue(RRRR((s0/usr/lib/python2.7/distutils/versionpredicate.pytsatisfied_by�s(t__name__t __module__t__doc__RR!R%(((s0/usr/lib/python2.7/distutils/versionpredicate.pyRs? cCs�tdkrtjd�an|j�}tj|�}|sRtd|��n|jd�pdd}|r�tj j |�}n|jd�|fS(s9Return 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')) s=([a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*)(?:\s*\(\s*([^)\s]+)\s*\))?$s"illegal provides specification: %riiN(t _provision_rxtNonetretcompileRRRtgroupRRR(tvaluetmR((s0/usr/lib/python2.7/distutils/versionpredicate.pytsplit_provision�s((R(R+tdistutils.versionRtoperatorR,RRRRtlttleteqtgttgetneR"RR*R)R0(((s0/usr/lib/python2.7/distutils/versionpredicate.pyt<module>s !!n