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Nama	Ukuran	Aksi
__pycache__	-	Open
markers.py	9.29 MB	View DL Edit
requirements.py	4.81 MB	View DL Edit
specifiers.py	31.2 MB	View DL Edit
tags.py	23.5 MB	View DL Edit
utils.py	1.77 MB	View DL Edit
version.py	15.11 MB	View DL Edit
_compat.py	1.1 MB	View DL Edit
_structures.py	1.97 MB	View DL Edit
_typing.py	1.77 MB	View DL Edit
__about__.py	736 B	View DL Edit
__init__.py	562 B	View DL Edit

Edit file: /lib/python3.9/site-packages/pkg_resources/_vendor/packaging/utils.py

# 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 .version import InvalidVersion, Version

if TYPE_CHECKING:  # pragma: no cover
    from typing import NewType, Union

NormalizedName = NewType("NormalizedName", str)

_canonicalize_regex = re.compile(r"[-_.]+")

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: (str) -> Union[Version, str]
    """
    This is very similar to Version.__str__, but has one subtle difference
    with the way it handles the release segment.
    """

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)

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