Update package metadata

.flake8

@@ -0,0 +1,4 @@
+# TODO: move this to pyproject.toml when supported, see https://github.com/PyCQA/flake8/issues/234
+
+[flake8]
+extend-ignore = E203, E501

.github/workflows/release.yml

@@ -23,17 +23,17 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install -U pip
-          python -m pip install -U setuptools twine wheel
+          python -m pip install -U build hatchling
 
       - name: Build package
         run: |
-          python setup.py --version
-          python setup.py sdist --format=gztar bdist_wheel
+          hatchling version
+          python -m build
           twine check dist/*
 
       - name: Upload packages to Jazzband
         if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: jazzband
           password: ${{ secrets.JAZZBAND_RELEASE_KEY }}

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
-          ${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/tox.ini') }}
+          ${{ matrix.python-version }}-v1-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('**/tox.ini') }}
         restore-keys: |
           ${{ matrix.python-version }}-v1-
 
@@ -118,7 +118,7 @@ jobs:
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
-          ${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/tox.ini') }}
+          ${{ matrix.python-version }}-v1-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('**/tox.ini') }}
         restore-keys: |
           ${{ matrix.python-version }}-v1-
 
@@ -171,7 +171,7 @@ jobs:
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
-          ${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/tox.ini') }}
+          ${{ matrix.python-version }}-v1-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('**/tox.ini') }}
         restore-keys: |
           ${{ matrix.python-version }}-v1-
 
@@ -203,7 +203,7 @@ jobs:
           # Use latest, so it understands all syntax.
           python-version: "3.10"
 
-      - run: python -m pip install --upgrade coverage
+      - run: python -m pip install --upgrade coverage[toml]
 
       - name: Download coverage data.
         uses: actions/download-artifact@v3
@@ -246,7 +246,7 @@ jobs:
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
-          ${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/tox.ini') }}
+          ${{ matrix.python-version }}-v1-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('**/tox.ini') }}
         restore-keys: |
           ${{ matrix.python-version }}-v1-
 

docs/contributing.rst

@@ -152,8 +152,8 @@ The release itself requires the following steps:
 
 #. Update supported Python and Django versions:
 
-   - ``setup.cfg`` ``python_requires`` and ``install_requires`` options
-   - ``setup.cfg`` trove classifiers
+   - ``pyproject.toml`` options ``requires-python``, ``dependencies``,
+     and ``classifiers``
    - ``README.rst``
 
    Commit.
@@ -167,12 +167,12 @@ The release itself requires the following steps:
    Commit.
 
 #. Bump version numbers in ``docs/changes.rst``, ``docs/conf.py``,
-   ``README.rst``, ``debug_toolbar/__init__.py`` and ``setup.cfg``.
+   ``README.rst``, and ``debug_toolbar/__init__.py``.
    Add the release date to ``docs/changes.rst``. Commit.
 
 #. Tag the new version.
 
-#. ``python setup.py sdist bdist_wheel upload``.
+#. ``tox -e packaging``.
 
 #. Push the commit and the tag.
 

pyproject.toml

@@ -0,0 +1,74 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "django-debug-toolbar"
+dynamic = ["version"]
+description = "A configurable set of panels that display various debug information about the current request/response."
+readme = "README.rst"
+license = "BSD-3-Clause"
+requires-python = ">=3.7"
+authors = [
+    { name = "Rob Hudson", email = "rob@cogit8.org" },
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Framework :: Django",
+    "Framework :: Django :: 3.2",
+    "Framework :: Django :: 4.0",
+    "Framework :: Django :: 4.1",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+]
+dependencies = [
+    "Django >= 3.2.4",
+    "sqlparse >= 0.2.0",
+]
+
+[project.urls]
+Download = "https://pypi.org/project/django-debug-toolbar/"
+Homepage = "https://github.com/jazzband/django-debug-toolbar"
+
+[tool.hatch.version]
+path = "debug_toolbar/__init__.py"
+
+[tool.hatch.build.targets.wheel]
+packages = ["debug_toolbar"]
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/debug_toolbar",
+    "/CONTRIBUTING.md",
+]
+
+[tool.isort]
+combine_as_imports = true
+profile = "black"
+
+[tool.coverage.run]
+branch = true
+parallel = true
+source = ["debug_toolbar"]
+
+[tool.coverage.paths]
+source = ["src", ".tox/*/site-packages"]
+
+[tool.coverage.report]
+# Update coverage badge link in README.rst when fail_under changes
+fail_under = 93
+show_missing = true
+
+[tool.coverage.html]
+skip_covered = true
+skip_empty = true

requirements_dev.txt

@@ -6,7 +6,7 @@ Jinja2
 
 # Testing
 
-coverage
+coverage[toml]
 flake8
 html5lib
 isort
@@ -23,4 +23,3 @@ sphinxcontrib-spelling
 
 pre-commit
 transifex-client
-wheel

setup.py

@@ -1,5 +1,23 @@
 #!/usr/bin/env python3
 
+import sys
+
 from setuptools import setup
 
-setup()
+sys.stderr.write(
+    """\
+===============================
+Unsupported installation method
+===============================
+This project no longer supports installation with `python setup.py install`.
+Please use `python -m pip install .` instead.
+"""
+)
+sys.exit(1)
+
+# The code below will never execute, however is required to
+# display the "Used by" section on the GitHub repository.
+#
+# See: https://github.com/github/feedback/discussions/6456
+
+setup(name="django-debug-toolbar")

tox.ini

@@ -1,4 +1,5 @@
 [tox]
+isolated_build = true
 envlist =
     docs
     packaging
@@ -14,7 +15,7 @@ deps =
     postgis: psycopg2-binary
     mysql: mysqlclient
     djmain: https://github.com/django/django/archive/main.tar.gz
-    coverage
+    coverage[toml]
     Jinja2
     html5lib
     pygments
@@ -76,12 +77,11 @@ deps =
 
 [testenv:packaging]
 commands =
-    python setup.py sdist bdist_wheel
+    python -m build
     twine check --strict dist/*
 deps =
- readme_renderer
+ build
  twine
- wheel
 skip_install = true
 
 [gh-actions]