Updated packaging to use pyproject.toml and Flit.

Co-authored-by: Carlton Gibson <carlton.gibson@noumenal.es>

pyproject.toml

@@ -1,3 +1,58 @@
 [build-system]
-requires = ["setuptools", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["flit_core >=3.2,<4"]
+build-backend = "flit_core.buildapi"
+
+[project]
+name = "django-filter"
+version = "23.2"
+authors = [{name = "Alex Gaynor", email = "alex.gaynor@gmail.com"}]
+maintainers = [{name = "Carlton Gibson", email = "carlton.gibson@noumenal.es"}]
+license = {text = "BSD"}
+description = "Django-filter is a reusable Django application for allowing users to filter querysets dynamically."
+readme = "README.rst"
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Framework :: Django",
+    "Framework :: Django :: 3.2",
+    "Framework :: Django :: 4.0",
+    "Framework :: Django :: 4.1",
+    "Framework :: Django :: 4.2",
+    "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",
+    "Programming Language :: Python :: 3.11",
+]
+requires-python = ">=3.7"
+dependencies = ["Django>=3.2"]
+
+[project.urls]
+Homepage = "https://github.com/carltongibson/django-filter/tree/main"
+Documentation = "https://django-filter.readthedocs.io/en/main/"
+Changelog = "https://github.com/carltongibson/django-filter/blob/main/CHANGES.rst"
+"Bug Tracker" = "https://github.com/carltongibson/django-filter/issues"
+"Source Code" = "https://github.com/carltongibson/django-filter"
+
+[tool.setuptools]
+zip-safe = false
+include-package-data = true
+license-files = ["LICENSE"]
+
+[tool.setuptools.packages.find]
+exclude = ["tests*"]
+namespaces = false
+
+[tool.isort]
+profile = "black"
+skip = [".tox"]
+known_third_party = ["django", "pytz", "rest_framework"]
+known_first_party = ["django_filters"]
+
+[tool.flit.module]
+name = "django_filters"

setup.cfg

@@ -1,12 +1,3 @@
-[metadata]
-license_file = LICENSE
-
-[isort]
-profile = black
-skip=.tox
-known_third_party=django,pytz,rest_framework
-known_first_party=django_filters
-
 [flake8]
 max_line_length = 120
 max_complexity = 10

tox.ini

@@ -4,6 +4,7 @@ envlist =
        {py38,py39}-{django40,django41,django42},
        {py310, py311}-{django41,django42,latest},
        isort,lint,docs,warnings,
+isolated_build = true
 
 
 [latest]