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zBModule for parsing and testing package version predicate strings.
N )versionz'(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)z^\s*\((.*)\)\s*$z%^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$c [ R U 5 nU( d [ SU - 5 eUR 5 u p#[ R
" 5 [ R " U5 nSSS5 X$4$ ! , ( d f UW4$ = f)zNParse a single version comparison.
Return (comparison string, StrictVersion)
z"bad package restriction syntax: %rN)re_splitComparisonmatch
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(C =DEE::z>=z!=c * \ rS rSrSrS rS rS rSrg)VersionPredicate( a 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 , UR 5 nU( d [ S5 e[ R U5 nU( d [ SU- 5 eUR 5 u U l nUR 5 nU( a [ R U5 nU( d [ SU- 5 eUR 5 S nUR S5 Vs/ s H n[ U5 PM snU l U R ( d [ SU- 5 eg/ U l gs snf )z!Parse a version predicate string.zempty package restrictionzbad package name in %rz expected parenthesized list: %rr ,z empty parenthesized list in %rN)
stripr re_validPackager r namere_parensplitr r )selfversionPredicateStrr parenstraPreds r __init__VersionPredicate.__init__i s 2 7 7 9" 89 9 %%&9: 58K KL L <<> 5
NN5)E !BU!JKK,,.#C58YYs^D^E ^DDI99 !ADW!WXX DI Es Dc U R ( aS U R VVs/ s H u pUS- [ U5 - PM nnnU R S- SR U5 - S- $ U R $ s snnf )N z (z, ))r r" r join)r condverseqs r __str__VersionPredicate.__str__ sa 99:>))D)YT4#:C()CD99t#diin4s: :99 Es A1c Z U R H u p#[ U " X5 ( a M g g)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.
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SU - 5 eUR S5 =( d SnU( a4 [ R " 5 [ R " U5 nSSS5 UR S5 U4$ ! , ( d f N!= f)a 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 r )
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