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An invalid specifier was found, users should refer to PEP 440.
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Returns the str representation of this Specifier like object. This
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Returns a hash value for this Specifier like object.
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Returns a boolean representing whether or not the two Specifier like
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t other( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyt __eq__$ R c C` s d S( su
Returns a boolean representing whether or not the two Specifier like
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R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyt __ne__+ R c C` s d S( sg
Returns whether or not pre-releases as a whole are allowed by this
specifier.
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( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyt prereleases2 R c C` s d S( sd
Sets whether or not pre-releases as a whole are allowed by this
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t value( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyR 9 R c C` s d S( sR
Determines if the given item is contained within this specifier.
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t itemR ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyt contains@ R c C` s d S( s�
Takes an iterable of items and filters them so that only items which
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t iterableR ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyt filterF R N( R R
t abct abstractmethodR R R R t abstractpropertyR t settert NoneR R ( ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/packaging/specifiers.pyR s t _IndividualSpecifierc B` s� e Z i Z d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z
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# except for whitespace, a semi-colon for marker support,
# a closing paren since versions can be enclosed in
# them, and a comma since it's a version separator.
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s ^\s*s \s*$t equals ==t not_equals !=t less_than_equals <=t greater_than_equals >=t less_thant <t greater_thant >c C` s( t | t � s$ t t | � � } n | S( N( R1 R R- ( R
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# The identity operators allow for an escape hatch that will
# do an exact string match of the version you wish to install.
# This will not be parsed by PEP 440 and we cannot determine
# any semantic meaning from it. This operator is discouraged
# but included entirely as an escape hatch.
(?<====) # Only match for the identity operator
\s*
[^\s]* # We just match everything, except for whitespace
# since we are only testing for strict identity.
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|
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# The (non)equality operators allow for wild card and local
# versions to be specified so we have to define these two
# operators separately to enable that.
(?<===|!=) # Only match for equals and not equals
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v?
(?:[0-9]+!)? # epoch
[0-9]+(?:\.[0-9]+)* # release
(?: # pre release
[-_\.]?
(a|b|c|rc|alpha|beta|pre|preview)
[-_\.]?
[0-9]*
)?
(?: # post release
(?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
)?
# You cannot use a wild card and a dev or local version
# together so group them with a | and make them optional.
(?:
(?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release
(?:\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*)? # local
|
\.\* # Wild card syntax of .*
)?
)
|
(?:
# The compatible operator requires at least two digits in the
# release segment.
(?<=~=) # Only match for the compatible operator
\s*
v?
(?:[0-9]+!)? # epoch
[0-9]+(?:\.[0-9]+)+ # release (We have a + instead of a *)
(?: # pre release
[-_\.]?
(a|b|c|rc|alpha|beta|pre|preview)
[-_\.]?
[0-9]*
)?
(?: # post release
(?:-[0-9]+)|(?:[-_\.]?(post|rev|r)[-_\.]?[0-9]*)
)?
(?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release
)
|
(?:
# All other operators only allow a sub set of what the
# (non)equality operators do. Specifically they do not allow
# local versions to be specified nor do they allow the prefix
# matching wild cards.
(?<!==|!=|~=) # We have special cases for these
# operators so we want to make sure they
# don't match here.
\s*
v?
(?:[0-9]+!)? # epoch
[0-9]+(?:\.[0-9]+)* # release
(?: # pre release
[-_\.]?
(a|b|c|rc|alpha|beta|pre|preview)
[-_\.]?
[0-9]*
)?
(?: # post release
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)?
(?:[-_\.]?dev[-_\.]?[0-9]*)? # dev release
)
)
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