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Diffstat (limited to 'env/lib/python3.10/site-packages/setuptools/_distutils/versionpredicate.py')
-rw-r--r-- | env/lib/python3.10/site-packages/setuptools/_distutils/versionpredicate.py | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/env/lib/python3.10/site-packages/setuptools/_distutils/versionpredicate.py b/env/lib/python3.10/site-packages/setuptools/_distutils/versionpredicate.py deleted file mode 100644 index 6ea1192..0000000 --- a/env/lib/python3.10/site-packages/setuptools/_distutils/versionpredicate.py +++ /dev/null @@ -1,175 +0,0 @@ -"""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*)*)(.*)", re.ASCII) -# (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() - with distutils.version.suppress_known_deprecation(): - other = distutils.version.StrictVersion(verStr) - return (comp, other) - - -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("expected parenthesized list: %r" % paren) - str = match.groups()[0] - self.pred = [splitUp(aPred) for aPred in str.split(",")] - if not self.pred: - raise ValueError("empty parenthesized list in %r" % versionPredicateStr) - else: - self.pred = [] - - def __str__(self): - if self.pred: - seq = [cond + " " + str(ver) for cond, ver in self.pred] - return self.name + " (" + ", ".join(seq) + ")" - else: - return self.name - - def satisfied_by(self, version): - """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. - """ - for cond, ver in self.pred: - if not compmap[cond](version, ver): - return False - return True - - -_provision_rx = None - - -def split_provision(value): - """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')) - """ - global _provision_rx - if _provision_rx is None: - _provision_rx = re.compile( - r"([a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*)(?:\s*\(\s*([^)\s]+)\s*\))?$", re.ASCII - ) - value = value.strip() - m = _provision_rx.match(value) - if not m: - raise ValueError("illegal provides specification: %r" % value) - ver = m.group(2) or None - if ver: - with distutils.version.suppress_known_deprecation(): - ver = distutils.version.StrictVersion(ver) - return m.group(1), ver |