move back to setuptools

Closes pypa#363

Signed-off-by: Filipe Laíns <[email protected]>

MANIFEST.in

@@ -0,0 +1,21 @@
+include CHANGELOG.rst CONTRIBUTING.rst README.rst
+include LICENSE LICENSE.APACHE LICENSE.BSD
+
+include .coveragerc
+include .flake8
+include .pre-commit-config.yaml
+include mypy.ini
+
+recursive-include docs *
+recursive-include tests *.py
+recursive-include tests hello-world-*
+
+exclude noxfile.py
+exclude .readthedocs.yml
+exclude .travis.yml
+exclude dev-requirements.txt
+exclude tests/build-hello-world.sh
+exclude tests/hello-world.c
+
+prune docs/_build
+prune tasks

docs/conf.py

@@ -43,11 +43,11 @@
 
 base_dir = os.path.join(os.path.dirname(__file__), os.pardir)
 about = {}
-with open(os.path.join(base_dir, "packaging", "__init__.py")) as f:
+with open(os.path.join(base_dir, "packaging", "__about__.py")) as f:
     exec(f.read(), about)
 
 version = release = about["__version__"]
-copyright = "2014-2019 Donald Stufft and individual contributors"
+copyright = about["__copyright__"]
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

packaging/__about__.py

@@ -0,0 +1,27 @@
+# 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
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]
+
+__title__ = "packaging"
+__summary__ = "Core utilities for Python packages"
+__uri__ = "https://github.com/pypa/packaging"
+
+__version__ = "20.5.dev0"
+
+__author__ = "Donald Stufft and individual contributors"
+__email__ = "[email protected]"
+
+__license__ = "BSD-2-Clause or Apache-2.0"
+__copyright__ = "2014-2019 %s" % __author__

packaging/__init__.py

@@ -1,5 +1,26 @@
 # 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.
-"""Core utilities for Python packages"""
-__version__ = "20.8.dev0"
+from __future__ import absolute_import, division, print_function
+
+from .__about__ import (
+    __author__,
+    __copyright__,
+    __email__,
+    __license__,
+    __summary__,
+    __title__,
+    __uri__,
+    __version__,
+)
+
+__all__ = [
+    "__title__",
+    "__summary__",
+    "__uri__",
+    "__version__",
+    "__author__",
+    "__email__",
+    "__license__",
+    "__copyright__",
+]

setup.cfg

@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal=1

setup.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+# 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 os
+import re
+
+# While I generally consider it an antipattern to try and support both
+# setuptools and distutils with a single setup.py, in this specific instance
+# where packaging is a dependency of setuptools, it can create a circular
+# dependency when projects attempt to unbundle stuff from setuptools and pip.
+# Though we don't really support that, it makes things easier if we do this and
+# should hopefully cause less issues for end users.
+try:
+    from setuptools import setup
+except ImportError:
+    from distutils.core import setup
+
+
+base_dir = os.path.dirname(__file__)
+
+about = {}
+with open(os.path.join(base_dir, "packaging", "__about__.py")) as f:
+    exec(f.read(), about)
+
+with open(os.path.join(base_dir, "README.rst")) as f:
+    long_description = f.read()
+
+with open(os.path.join(base_dir, "CHANGELOG.rst")) as f:
+    # Remove :issue:`ddd` tags that breaks the description rendering
+    changelog = re.sub(
+        r":issue:`(\d+)`",
+        r"`#\1 <https://github.com/pypa/packaging/issues/\1>`__",
+        f.read(),
+    )
+    long_description = "\n".join([long_description, changelog])
+
+
+setup(
+    name=about["__title__"],
+    version=about["__version__"],
+    description=about["__summary__"],
+    long_description=long_description,
+    long_description_content_type="text/x-rst",
+    license=about["__license__"],
+    url=about["__uri__"],
+    author=about["__author__"],
+    author_email=about["__email__"],
+    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
+    install_requires=["pyparsing>=2.0.2"],  # Needed to avoid issue #91
+    classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: Apache Software License",
+        "License :: OSI Approved :: BSD License",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 2",
+        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.4",
+        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
+    ],
+    packages=["packaging"],
+    package_data={"packaging": ["py.typed"]},
+)