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�
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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.pytsatisfied_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

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