build: switch to pyproject.toml for package building

Use the pyproject.toml configuration instead of setup.py for building
the package. This modernizes the build process, ensures better
compatibility with PEP tools, and simplifies dependency
management.

.github/workflows/release.yml

@@ -3,7 +3,7 @@ name: Release
 on:
   push:
     tags:
-    - '*'
+    - "*"
 
 jobs:
   build:
@@ -22,13 +22,12 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install -U pip
-          python -m pip install -U setuptools wheel twine
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade build twine setuptools wheel
 
       - name: Build package
         run: |
-          python setup.py --version
-          python setup.py sdist --format=gztar bdist_wheel
+          python -m build --sdist --wheel --outdir dist
           twine check dist/*
 
       - name: Upload packages to Jazzband

.github/workflows/test.yml

@@ -31,6 +31,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          pip install --upgrade pip setuptools wheel
           pip install -r requirements.txt
           pip install "Django~=${{ matrix.django-version }}.0" .
 

pyproject.toml

@@ -1,3 +1,52 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "dj-database-url"
+version = "3.0.1"
+description = "Use Database URLs in your Django Application."
+readme = "README.rst"
+requires-python = ">=3.9, <3.15"
+license = { text = "BSD-3-Clause" }
+authors = [
+    { name = "Original Author: Kenneth Reitz, Maintained by: JazzBand Community" }
+]
+dependencies = [
+    "Django>=4.2"
+]
+classifiers = [
+    "Environment :: Web Environment",
+    "Framework :: Django",
+    "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
+    "Framework :: Django :: 5.2",
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "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 :: Python :: 3.14",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+    "Topic :: Software Development :: Libraries :: Python Modules"
+]
+
+[project.urls]
+"GitHub" = "https://github.com/jazzband/dj-database-url/"
+"Release log" = "https://github.com/jazzband/dj-database-url/blob/master/CHANGELOG.md"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["dj_database_url*"]
+
+[tool.setuptools.package-data]
+"dj_database_url" = ["py.typed"]
+
 [tool.black]
 skip-string-normalization = 1
 

setup.py

@@ -1,50 +1,4 @@
-from pathlib import Path
+from setuptools import setup
 
-from setuptools import setup  # pyright: ignore[reportUnknownVariableType]
-
-readme = Path("README.rst").read_text()
-
-setup(
-    name="dj-database-url",
-    version="3.0.1",
-    url="https://github.com/jazzband/dj-database-url",
-    license="BSD",
-    author="Original Author: Kenneth Reitz, Maintained by: JazzBand Community",
-    description="Use Database URLs in your Django Application.",
-    long_description=readme,
-    long_description_content_type="text/x-rst",
-    packages=["dj_database_url"],
-    install_requires=["Django>=4.2"],
-    include_package_data=True,
-    package_data={
-        "dj_database_url": ["py.typed"],
-    },
-    platforms="any",
-    project_urls={
-        "GitHub": "https://github.com/jazzband/dj-database-url/",
-        "Release log": (
-            "https://github.com/jazzband/dj-database-url/blob/master/CHANGELOG.md"
-        ),
-    },
-    classifiers=[
-        "Environment :: Web Environment",
-        "Framework :: Django",
-        "Framework :: Django :: 4.2",
-        "Framework :: Django :: 5.0",
-        "Framework :: Django :: 5.1",
-        "Framework :: Django :: 5.2",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: BSD License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python",
-        "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
-        "Topic :: Software Development :: Libraries :: Python Modules",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12",
-        "Programming Language :: Python :: 3.13",
-        "Programming Language :: Python :: 3.14",
-    ],
-)
+if __name__ == "__main__":
+    setup()