def tag_to_version(tag, config=None):
"""
take a tag that might be prefixed with a keyword and return only the version part
:param config: optional configuration object
"""
trace("tag", tag)
if not config:
config = Configuration()
tagdict = _parse_version_tag(tag, config)
if not isinstance(tagdict, dict) or not tagdict.get("version", None):
warnings.warn("tag %r no version found" % (tag,))
return None
version = tagdict["version"]
trace("version pre parse", version)
if tagdict.get("suffix", ""):
warnings.warn(
"tag %r will be stripped of its suffix '%s'" % (tag, tagdict["suffix"])
)
if VERSION_CLASS is not None:
version = pkg_parse_version(version)
trace("version", repr(version))
return version
def tag_to_version(tag, config=None):
"""
take a tag that might be prefixed with a keyword and return only the version part
:param config: optional configuration object
"""
trace("tag", tag)
if not config:
config = Configuration()
tagdict = _parse_version_tag(tag, config)
if not isinstance(tagdict, dict) or not tagdict.get("version", None):
warnings.warn("tag {!r} no version found".format(tag))
return None
version = tagdict["version"]
trace("version pre parse", version)
if tagdict.get("suffix", ""):
warnings.warn(
"tag {!r} will be stripped of its suffix '{}'".format(
tag, tagdict["suffix"]
)
)
if VERSION_CLASS is not None:
version = pkg_parse_version(version)
trace("version", repr(version))
return version
def parse_version(version_string):
"""Parse a version string.
Will attempt to use `packaging` module to parse versions according to
PEP 440. If the `packaging` module is not available (usually vendored
via `pkg_resources`) will fall back to a more naive version parsing.
"""
if pkg_parse_version is not None:
return pkg_parse_version(version_string)
return parse_version_fallback(version_string)
def tag_to_version(tag):
"""
take a tag that might be prefixed with a keyword and return only the version part
"""
trace("tag", tag)
if "+" in tag:
warnings.warn("tag %r will be stripped of the local component" % tag)
tag = tag.split("+")[0]
# lstrip the v because of py2/py3 differences in setuptools
# also required for old versions of setuptools
prefix_match = TAG_PREFIX.match(tag)
if prefix_match is not None:
version = prefix_match.group(1)
else:
version = tag
trace("version pre parse", version)
if VERSION_CLASS is None:
return version
version = pkg_parse_version(version)
trace("version", repr(version))
if isinstance(version, VERSION_CLASS):
return version
def _get_version_class():
modern_version = pkg_parse_version("1.0")
if isinstance(modern_version, tuple):
return None
else:
return type(modern_version)
def _get_version_class():
modern_version = pkg_parse_version("1.0")
if isinstance(modern_version, tuple):
return None
else:
return type(modern_version)
