chore(dist): remove setup.cfg

RELEASE.md

@@ -2,7 +2,7 @@
 
 Release Process:
 
-1. Bump version and update tag.
+1. Bump version (including the suffix for pre-release, if applicable).
 2. Update changelog and render towncrier fragments.
 3. Release beta or rc.
 4. Run benchmark and check for regressions.
@@ -12,16 +12,30 @@ Release Process:
 8. Announce the new version in Gitter channels and on the socials.
 9. Improve this document.
 
-### Bump version and update tag
+### Bump version
 
 Modify `falcon/version.py` if it has not been updated since the previous
 release. Examine the rendered changelog to determine the appropriate SEMVER
 field to modify.
 
-Update changelog filename in `pyproject.toml` to suit.
+Note that we have dropped `setup.cfg` altogether, so `__version__` in
+`falcon/version.py` must contain the **whole version**
+(including the previously separately managed `tag_build`), for instance:
+```python
+# Development version
+__version__ = '4.0.0.dev1'
+
+# First alpha
+__version__ = '4.0.0a1'
+
+# Release candidate
+__version__ = '4.0.0rc1'
+
+# Stable release
+__version__ = '4.0.0'
+```
 
-Update the build tag in `setup.cfg` under `[egg_info]` for pre-release builds,
-or remove it (leaving it blank as in `tag_build =`) for a final release.
+Update changelog filename in `pyproject.toml` to suit.
 
 ### Update changelog and render towncrier fragments
 
@@ -30,22 +44,14 @@ the following template, and update the summary and changes to supported
 platforms to suit:
 
 ```rst
-Changelog for Falcon 3.0.1
+Changelog for Falcon 4.0.1
 ==========================
 
 Summary
 -------
 
 This is a minor point release to take care of a couple of bugs that we did
-not catch for 3.0.0.
-
-Changes to Supported Platforms
-------------------------------
-
-- CPython 3.10 is now fully supported. (`#1966 <https://github.com/falconry/falcon/issues/1966>`__)
-- Support for Python 3.6 is now deprecated and will be removed in Falcon 4.0.
-- As with the previous release, Python 3.5 support remains deprecated and will
-  no longer be supported in Falcon 4.0.
+not catch for 4.0.0.
 
 
 .. towncrier release notes start

docs/_newsfragments/2182.breakingchange.rst

@@ -1,2 +1,3 @@
-The function :func:`falcon.http_date_to_dt` now validates http-dates to have the correct
-timezone set. It now also returns timezone aware datetime objects.
+The function :func:`falcon.http_date_to_dt` now validates HTTP dates to have
+the correct timezone set. It now also returns timezone-aware
+:class:`~datetime.datetime` objects.

docs/_newsfragments/2253.misc.rst

@@ -1,2 +1,3 @@
-The functions ``create_task()`` and ``get_running_loop()`` of `falcon.util.sync` are deprecated.
-The counterpart functions in the builtin package `asyncio` are encouraged to be used.
+The :ref:`utility functions <util>` ``create_task()`` and
+``get_running_loop()`` are now deprecated in favor of their standard library
+counterparts, :func:`asyncio.create_task` and `:func:`asyncio.get_running_loop`.

docs/_newsfragments/2301.misc.rst

@@ -1 +1,2 @@
-Deprecated the ``TimezoneGMT`` class. Use :attr:`datetime.timezone.utc` instead.
+The ``falcon.TimezoneGMT`` class was deprecated. Use the UTC timezone
+(:attr:`datetime.timezone.utc`) from the standard library instead.

docs/_newsfragments/2314.breakingchange.rst

@@ -0,0 +1,5 @@
+``setup.cfg`` was dropped in favor of consolidating all static project
+configuration in ``pyproject.toml`` (``setup.py`` is still needed for
+programmatic control of the build process). While this change should not impact
+the framework's end-users directly, some ``setuptools``\-based legacy workflows
+(such as the obsolete ``setup.py test``) will no longer work.

docs/conf.py

@@ -11,7 +11,6 @@
 # serve to show the default.
 
 from collections import OrderedDict
-import configparser
 from datetime import datetime
 import multiprocessing
 import os
@@ -87,19 +86,19 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 
-cfg = configparser.ConfigParser()
-cfg.read('../setup.cfg')
-tag = cfg.get('egg_info', 'tag_build')
+_version_components = falcon.__version__.split('.')
+_prerelease = any(
+    not component.isdigit() and not component.startswith('post')
+    for component in _version_components
+)
 
-html_context = {
-    'prerelease': bool(tag),  # True if tag is not the empty string
-}
+html_context = {'prerelease': _prerelease}
 
 # The short X.Y version.
-version = '.'.join(falcon.__version__.split('.')[0:2]) + tag
+version = '.'.join(_version_components[0:2])
 
 # The full version, including alpha/beta/rc tags.
-release = falcon.__version__ + tag
+release = falcon.__version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

falcon/version.py

@@ -14,5 +14,5 @@
 
 """Falcon version."""
 
-__version__ = '4.0.0'
+__version__ = '4.0.0.dev2'
 """Current version of Falcon."""

pyproject.toml

@@ -1,10 +1,85 @@
 [build-system]
-    build-backend = "setuptools.build_meta"
-    requires = [
-        "setuptools>=47",
-        "wheel>=0.34",
-        "cython>=3.0.8; python_implementation == 'CPython'", # Skip cython when using pypy
-    ]
+build-backend = "setuptools.build_meta"
+requires = [
+    "setuptools>=47",
+    "wheel>=0.34",
+    "cython>=3.0.8; python_implementation == 'CPython'", # Skip cython when using pypy
+]
+
+[project]
+name = "falcon"
+readme = {file = "README.rst", content-type = "text/x-rst"}
+dynamic = ["version"]
+dependencies = []
+requires-python = ">=3.8"
+description = "The ultra-reliable, fast ASGI+WSGI framework for building data plane APIs at scale."
+authors = [
+  {name = "Kurt Griffiths", email = "[email protected]"},
+]
+license = {text = "Apache 2.0"}
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Natural Language :: English",
+    "Intended Audience :: Developers",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: MacOS :: MacOS X",
+    "Operating System :: Microsoft :: Windows",
+    "Operating System :: POSIX",
+    "Topic :: Internet :: WWW/HTTP :: WSGI",
+    "Topic :: Software Development :: Libraries :: Application Frameworks",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Cython",
+    "Typing :: Typed",
+]
+keywords = [
+    "asgi",
+    "wsgi",
+    "web",
+    "api",
+    "framework",
+    "rest",
+    "http",
+    "cloud",
+]
+
+[project.optional-dependencies]
+test = ["pytest"]
+
+[project.scripts]
+falcon-bench = "falcon.cmd.bench:main"
+falcon-inspect-app = "falcon.cmd.inspect_app:main"
+falcon-print-routes = "falcon.cmd.inspect_app:route_main"
+
+[project.urls]
+Homepage = "https://falconframework.org"
+Documentation = "https://falcon.readthedocs.io/en/stable/"
+"Release Notes" = "https://falcon.readthedocs.io/en/stable/changes/"
+"Source" = "https://github.com/falconry/falcon"
+"Issue Tracker" = "https://github.com/falconry/falcon/issues"
+Funding = "https://opencollective.com/falcon"
+Chat = "https://gitter.im/falconry/user"
+
+[tool.setuptools]
+include-package-data = true
+license-files = ["LICENSE"]
+zip-safe = false
+
+[tool.setuptools.dynamic]
+version = {attr = "falcon.version.__version__"}
+
+[tool.setuptools.packages.find]
+exclude = ["examples", "tests"]
 
 [tool.mypy]
     exclude = [