diff options
Diffstat (limited to 'setuptools/_vendor/packaging/specifiers.py')
| -rw-r--r-- | setuptools/_vendor/packaging/specifiers.py | 71 |
1 files changed, 23 insertions, 48 deletions
diff --git a/setuptools/_vendor/packaging/specifiers.py b/setuptools/_vendor/packaging/specifiers.py index 7f5a76cf..743576a0 100644 --- a/setuptools/_vendor/packaging/specifiers.py +++ b/setuptools/_vendor/packaging/specifiers.py @@ -19,7 +19,6 @@ class InvalidSpecifier(ValueError): class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): - @abc.abstractmethod def __str__(self): """ @@ -84,10 +83,7 @@ class _IndividualSpecifier(BaseSpecifier): if not match: raise InvalidSpecifier("Invalid specifier: '{0}'".format(spec)) - self._spec = ( - match.group("operator").strip(), - match.group("version").strip(), - ) + self._spec = (match.group("operator").strip(), match.group("version").strip()) # Store whether or not this Specifier should accept prereleases self._prereleases = prereleases @@ -99,11 +95,7 @@ class _IndividualSpecifier(BaseSpecifier): else "" ) - return "<{0}({1!r}{2})>".format( - self.__class__.__name__, - str(self), - pre, - ) + return "<{0}({1!r}{2})>".format(self.__class__.__name__, str(self), pre) def __str__(self): return "{0}{1}".format(*self._spec) @@ -194,11 +186,12 @@ class _IndividualSpecifier(BaseSpecifier): # If our version is a prerelease, and we were not set to allow # prereleases, then we'll store it for later incase nothing # else matches this specifier. - if (parsed_version.is_prerelease and not - (prereleases or self.prereleases)): + if parsed_version.is_prerelease and not ( + prereleases or self.prereleases + ): found_prereleases.append(version) # Either this is not a prerelease, or we should have been - # accepting prereleases from the begining. + # accepting prereleases from the beginning. else: yielded = True yield version @@ -213,8 +206,7 @@ class _IndividualSpecifier(BaseSpecifier): class LegacySpecifier(_IndividualSpecifier): - _regex_str = ( - r""" + _regex_str = r""" (?P<operator>(==|!=|<=|>=|<|>)) \s* (?P<version> @@ -225,10 +217,8 @@ class LegacySpecifier(_IndividualSpecifier): # them, and a comma since it's a version separator. ) """ - ) - _regex = re.compile( - r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) + _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) _operators = { "==": "equal", @@ -269,13 +259,13 @@ def _require_version_compare(fn): if not isinstance(prospective, Version): return False return fn(self, prospective, spec) + return wrapped class Specifier(_IndividualSpecifier): - _regex_str = ( - r""" + _regex_str = r""" (?P<operator>(~=|==|!=|<=|>=|<|>|===)) (?P<version> (?: @@ -367,10 +357,8 @@ class Specifier(_IndividualSpecifier): ) ) """ - ) - _regex = re.compile( - r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) + _regex = re.compile(r"^\s*" + _regex_str + r"\s*$", re.VERBOSE | re.IGNORECASE) _operators = { "~=": "compatible", @@ -397,8 +385,7 @@ class Specifier(_IndividualSpecifier): prefix = ".".join( list( itertools.takewhile( - lambda x: (not x.startswith("post") and not - x.startswith("dev")), + lambda x: (not x.startswith("post") and not x.startswith("dev")), _version_split(spec), ) )[:-1] @@ -407,8 +394,9 @@ class Specifier(_IndividualSpecifier): # Add the prefix notation to the end of our string prefix += ".*" - return (self._get_operator(">=")(prospective, spec) and - self._get_operator("==")(prospective, prefix)) + return self._get_operator(">=")(prospective, spec) and self._get_operator("==")( + prospective, prefix + ) @_require_version_compare def _compare_equal(self, prospective, spec): @@ -428,7 +416,7 @@ class Specifier(_IndividualSpecifier): # Shorten the prospective version to be the same length as the spec # so that we can determine if the specifier is a prefix of the # prospective version or not. - prospective = prospective[:len(spec)] + prospective = prospective[: len(spec)] # Pad out our two sides with zeros so that they both equal the same # length. @@ -503,7 +491,7 @@ class Specifier(_IndividualSpecifier): return False # Ensure that we do not allow a local version of the version mentioned - # in the specifier, which is techincally greater than, to match. + # in the specifier, which is technically greater than, to match. if prospective.local is not None: if Version(prospective.base_version) == Version(spec.base_version): return False @@ -567,27 +555,17 @@ def _pad_version(left, right): right_split.append(list(itertools.takewhile(lambda x: x.isdigit(), right))) # Get the rest of our versions - left_split.append(left[len(left_split[0]):]) - right_split.append(right[len(right_split[0]):]) + left_split.append(left[len(left_split[0]) :]) + right_split.append(right[len(right_split[0]) :]) # Insert our padding - left_split.insert( - 1, - ["0"] * max(0, len(right_split[0]) - len(left_split[0])), - ) - right_split.insert( - 1, - ["0"] * max(0, len(left_split[0]) - len(right_split[0])), - ) + left_split.insert(1, ["0"] * max(0, len(right_split[0]) - len(left_split[0]))) + right_split.insert(1, ["0"] * max(0, len(left_split[0]) - len(right_split[0]))) - return ( - list(itertools.chain(*left_split)), - list(itertools.chain(*right_split)), - ) + return (list(itertools.chain(*left_split)), list(itertools.chain(*right_split))) class SpecifierSet(BaseSpecifier): - def __init__(self, specifiers="", prereleases=None): # Split on , to break each indidivual specifier into it's own item, and # strip each item to remove leading/trailing whitespace. @@ -721,10 +699,7 @@ class SpecifierSet(BaseSpecifier): # given version is contained within all of them. # Note: This use of all() here means that an empty set of specifiers # will always return True, this is an explicit design decision. - return all( - s.contains(item, prereleases=prereleases) - for s in self._specs - ) + return all(s.contains(item, prereleases=prereleases) for s in self._specs) def filter(self, iterable, prereleases=None): # Determine if we're forcing a prerelease or not, if we're not forcing |