Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/packaging/utils.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/packaging/utils.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,138 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +from __future__ import absolute_import, division, print_function + +import re + +from ._typing import TYPE_CHECKING, cast +from .tags import Tag, parse_tag +from .version import InvalidVersion, Version + +if TYPE_CHECKING: # pragma: no cover + from typing import FrozenSet, NewType, Tuple, Union + + BuildTag = Union[Tuple[()], Tuple[int, str]] + NormalizedName = NewType("NormalizedName", str) +else: + BuildTag = tuple + NormalizedName = str + + +class InvalidWheelFilename(ValueError): + """ + An invalid wheel filename was found, users should refer to PEP 427. + """ + + +class InvalidSdistFilename(ValueError): + """ + An invalid sdist filename was found, users should refer to the packaging user guide. + """ + + +_canonicalize_regex = re.compile(r"[-_.]+") +# PEP 427: The build number must start with a digit. +_build_tag_regex = re.compile(r"(\d+)(.*)") + + +def canonicalize_name(name): + # type: (str) -> NormalizedName + # This is taken from PEP 503. + value = _canonicalize_regex.sub("-", name).lower() + return cast(NormalizedName, value) + + +def canonicalize_version(version): + # type: (Union[Version, str]) -> Union[Version, str] + """ + This is very similar to Version.__str__, but has one subtle difference + with the way it handles the release segment. + """ + if not isinstance(version, Version): + try: + version = Version(version) + except InvalidVersion: + # Legacy versions cannot be normalized + return version + + parts = [] + + # Epoch + if version.epoch != 0: + parts.append("{0}!".format(version.epoch)) + + # Release segment + # NB: This strips trailing '.0's to normalize + parts.append(re.sub(r"(\.0)+$", "", ".".join(str(x) for x in version.release))) + + # Pre-release + if version.pre is not None: + parts.append("".join(str(x) for x in version.pre)) + + # Post-release + if version.post is not None: + parts.append(".post{0}".format(version.post)) + + # Development release + if version.dev is not None: + parts.append(".dev{0}".format(version.dev)) + + # Local version segment + if version.local is not None: + parts.append("+{0}".format(version.local)) + + return "".join(parts) + + +def parse_wheel_filename(filename): + # type: (str) -> Tuple[NormalizedName, Version, BuildTag, FrozenSet[Tag]] + if not filename.endswith(".whl"): + raise InvalidWheelFilename( + "Invalid wheel filename (extension must be '.whl'): {0}".format(filename) + ) + + filename = filename[:-4] + dashes = filename.count("-") + if dashes not in (4, 5): + raise InvalidWheelFilename( + "Invalid wheel filename (wrong number of parts): {0}".format(filename) + ) + + parts = filename.split("-", dashes - 2) + name_part = parts[0] + # See PEP 427 for the rules on escaping the project name + if "__" in name_part or re.match(r"^[\w\d._]*$", name_part, re.UNICODE) is None: + raise InvalidWheelFilename("Invalid project name: {0}".format(filename)) + name = canonicalize_name(name_part) + version = Version(parts[1]) + if dashes == 5: + build_part = parts[2] + build_match = _build_tag_regex.match(build_part) + if build_match is None: + raise InvalidWheelFilename( + "Invalid build number: {0} in '{1}'".format(build_part, filename) + ) + build = cast(BuildTag, (int(build_match.group(1)), build_match.group(2))) + else: + build = () + tags = parse_tag(parts[-1]) + return (name, version, build, tags) + + +def parse_sdist_filename(filename): + # type: (str) -> Tuple[NormalizedName, Version] + if not filename.endswith(".tar.gz"): + raise InvalidSdistFilename( + "Invalid sdist filename (extension must be '.tar.gz'): {0}".format(filename) + ) + + # We are requiring a PEP 440 version, which cannot contain dashes, + # so we split on the last dash. + name_part, sep, version_part = filename[:-7].rpartition("-") + if not sep: + raise InvalidSdistFilename("Invalid sdist filename: {0}".format(filename)) + + name = canonicalize_name(name_part) + version = Version(version_part) + return (name, version)