C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Module for parsing and testing package version predicate strings. """ import re import distutils.version import operator re_validPackage = re.compile(r"(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)") # (package) (rest) re_paren = re.compile(r"^\s*$(.*)$\s*$") # (list) inside of parentheses re_splitComparison = re.compile(r"^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$") # (comp) (version) def splitUp(pred): """Parse a single version comparison. Return (comparison string, StrictVersion) """ res = re_splitComparison.match(pred) if not res: raise ValueError("bad package restriction syntax: %r" % pred) comp, verStr = res.groups() return (comp, distutils.version.StrictVersion(verStr)) compmap = {"<": operator.lt, "<=": operator.le, "==": operator.eq, ">": operator.gt, ">=": operator.ge, "!=": operator.ne} class VersionPredicate: """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)' """ def __init__(self, versionPredicateStr): """Parse a version predicate string. """ # Fields: # name: package name # pred: list of (comparison string, StrictVersion) versionPredicateStr = versionPredicateStr.strip() if not versionPredicateStr: raise ValueError("empty package restriction") match = re_validPackage.match(versionPredicateStr) if not match: raise ValueError("bad package name in %r" % versionPredicateStr) self.name, paren = match.groups() paren = paren.strip() if paren: match = re_paren.match(paren) if not match: raise ValueError("