Migrate packaging toward declarative setup.cfg (#6165)

CHANGES/6165.misc

@@ -0,0 +1,2 @@
+Migrated the Python packaging setup to have static metadata
+in the declarative ``setup.cfg`` file — :user:`webknjaz`.

setup.cfg

@@ -1,5 +1,76 @@
 [metadata]
+name = aiohttp
+version = attr: aiohttp.__version__
+url = https://github.com/aio-libs/aiohttp
+project_urls =
+  Chat: Gitter = https://gitter.im/aio-libs/Lobby
+  CI: GitHub Actions = https://github.com/aio-libs/aiohttp/actions?query=workflow%%3ACI
+  Coverage: codecov = https://codecov.io/github/aio-libs/aiohttp
+  Docs: Changelog = https://docs.aiohttp.org/en/stable/changes.html
+  Docs: RTD = https://docs.aiohttp.org
+  GitHub: issues = https://github.com/aio-libs/aiohttp/issues
+  GitHub: repo = https://github.com/aio-libs/aiohttp
+description = Async http client/server framework (asyncio)
+long_description = file: README.rst
+long_description_content_type = text/x-rst
+author = Nikolay Kim
+author_email = [email protected]
+maintainer = Nikolay Kim <[email protected]>, Andrew Svetlov <[email protected]>
+maintainer_email = [email protected]
+license = Apache 2
 license_files = LICENSE.txt
+classifiers =
+  Development Status :: 5 - Production/Stable
+
+  Framework :: AsyncIO
+
+  Intended Audience :: Developers
+
+  License :: OSI Approved :: Apache Software License
+
+  Operating System :: POSIX
+  Operating System :: MacOS :: MacOS X
+  Operating System :: Microsoft :: Windows
+
+  Programming Language :: Python
+  Programming Language :: Python :: 3
+  Programming Language :: Python :: 3.7
+  Programming Language :: Python :: 3.8
+  Programming Language :: Python :: 3.9
+  Programming Language :: Python :: 3.10
+
+  Topic :: Internet :: WWW/HTTP
+
+[options]
+python_requires = >=3.7
+packages = find:
+# https://setuptools.readthedocs.io/en/latest/setuptools.html#setting-the-zip-safe-flag
+zip_safe = False
+include_package_data = True
+
+install_requires =
+  charset-normalizer >=2.0, < 3.0
+  multidict >=4.5, < 7.0
+  async_timeout >= 4.0a2, < 5.0
+  asynctest == 0.13.0; python_version<"3.8"
+  yarl >= 1.0, < 2.0
+  typing_extensions >= 3.7.4
+  frozenlist >= 1.1.1
+  aiosignal >= 1.1.2
+
+[options.extras_require]
+speedups =
+  aiodns >= 1.1
+  Brotli
+  cchardet
+
+[options.package_data]
+# Ref:
+# https://setuptools.readthedocs.io/en/latest/setuptools.html#options
+# (see notes for the asterisk/`*` meaning)
+* =
+#    *.c
+    *.so
 
 [pep8]
 max-line-length=79

setup.py

@@ -1,6 +1,5 @@
 import os
 import pathlib
-import re
 import sys
 
 from setuptools import Extension, setup
@@ -43,90 +42,10 @@
 ]
 
 
-txt = (HERE / "aiohttp" / "__init__.py").read_text("utf-8")
-try:
-    version = re.findall(r'^__version__ = "([^"]+)"\r?$', txt, re.M)[0]
-except IndexError:
-    raise RuntimeError("Unable to determine version.")
+build_type = "Pure" if NO_EXTENSIONS else "Accelerated"
+setup_kwargs = {} if NO_EXTENSIONS else {"ext_modules": extensions}
 
-install_requires = [
-    "charset-normalizer>=2.0,<3.0",
-    "multidict>=4.5,<7.0",
-    "async_timeout>=4.0a2,<5.0",
-    'asynctest==0.13.0; python_version<"3.8"',
-    "yarl>=1.0,<2.0",
-    "typing_extensions>=3.7.4",
-    "frozenlist>=1.1.1",
-    "aiosignal>=1.1.2",
-]
-
-
-def read(f):
-    return (HERE / f).read_text("utf-8").strip()
-
-
-args = dict(
-    name="aiohttp",
-    version=version,
-    description="Async http client/server framework (asyncio)",
-    long_description=read("README.rst"),
-    long_description_content_type="text/x-rst",
-    classifiers=[
-        "License :: OSI Approved :: Apache Software License",
-        "Intended Audience :: Developers",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Development Status :: 5 - Production/Stable",
-        "Operating System :: POSIX",
-        "Operating System :: MacOS :: MacOS X",
-        "Operating System :: Microsoft :: Windows",
-        "Topic :: Internet :: WWW/HTTP",
-        "Framework :: AsyncIO",
-    ],
-    author="Nikolay Kim",
-    author_email="[email protected]",
-    maintainer=", ".join(
-        (
-            "Nikolay Kim <[email protected]>",
-            "Andrew Svetlov <[email protected]>",
-        )
-    ),
-    maintainer_email="[email protected]",
-    url="https://github.com/aio-libs/aiohttp",
-    project_urls={
-        "Chat: Gitter": "https://gitter.im/aio-libs/Lobby",
-        "CI: GitHub Actions": "https://github.com/aio-libs/aiohttp/actions?query=workflow%3ACI",  # noqa
-        "Coverage: codecov": "https://codecov.io/github/aio-libs/aiohttp",
-        "Docs: Changelog": "https://docs.aiohttp.org/en/stable/changes.html",
-        "Docs: RTD": "https://docs.aiohttp.org",
-        "GitHub: issues": "https://github.com/aio-libs/aiohttp/issues",
-        "GitHub: repo": "https://github.com/aio-libs/aiohttp",
-    },
-    license="Apache 2",
-    packages=["aiohttp"],
-    python_requires=">=3.7",
-    install_requires=install_requires,
-    extras_require={
-        "speedups": [
-            "aiodns>=1.1",
-            "Brotli",
-            "cchardet",
-        ],
-    },
-    include_package_data=True,
-)
-
-if not NO_EXTENSIONS:
-    print("*********************")
-    print("* Accelerated build *")
-    print("*********************")
-    setup(ext_modules=extensions, **args)
-else:
-    print("*********************")
-    print("* Pure Python build *")
-    print("*********************")
-    setup(**args)
+print("*********************", file=sys.stderr)
+print("* {build_type} build *".format_map(locals()), file=sys.stderr)
+print("*********************", file=sys.stderr)
+setup(**setup_kwargs)