Improve CI workflow

- Use build-and-inspect-python-package to build the wheel/sdist
- Run tox against packaged code
- Drop support for CPython 3.7
- Drop support for PyPy 3.7, 3.8
- Test against CPython 3.11, 3.12, 3.13
- Test against PyPy 3.9, 3.10

.github/workflows/main.yml

@@ -8,62 +8,67 @@ on:
     branches: ["main"]
   workflow_dispatch:
 
+env:
+  FORCE_COLOR: "1"
+
 jobs:
+  package:
+    name: Build & verify package
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: hynek/build-and-inspect-python-package@v2
+        id: baipp
+
+    outputs:
+      python-versions: ${{ steps.baipp.outputs.supported_python_classifiers_json_array }}
+
   tests:
-    name: "Python ${{ matrix.python-version }}"
-    runs-on: "ubuntu-latest"
+    name: Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    needs: package
 
     strategy:
+      fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "pypy-3.7", "pypy-3.8"]
+        python-version:
+          - pypy3.9
+          - pypy3.10
+          - ${{ fromJson(needs.package.outputs.python-versions) }}
 
     steps:
-      - uses: "actions/checkout@v2"
+      - name: Download pre-built packages
+        uses: actions/download-artifact@v4
+        with:
+          name: Packages
+          path: dist
 
-      - uses: "actions/setup-python@v2"
+      - run: tar xf dist/*.tar.gz --strip-components=1
+
+      - uses: actions/setup-python@v5
         with:
-          python-version: "${{ matrix.python-version }}"
+          python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
-      - name: "Install dependencies"
-        run: |
-          set -xe
-          python -VV
-          python -m site
-          python -m pip install --upgrade pip
-          pip install coverage tox tox-gh-actions
+      - uses: hynek/setup-cached-uv@v2
 
-      - name: "Run tox targets for ${{ matrix.python-version }}"
-        run: "tox"
+      - name: Run tox
+        run: >
+          uvx --with=tox-uv --with=tox-gh-actions
+          tox run --installpkg dist/*.whl
 
-      - name: "Coverage report"
-        if: "${{ matrix.python-version == '3.8' }}"
+      - name: Coverage report
+        if: ${{ matrix.python-version == '3.12' }}
         run: |
-          coverage report
-          coverage xml
+          uvx coverage report
+          uvx coverage xml
 
-      - name: "Upload coverage to Codecov"
-        if: "${{ matrix.python-version == '3.8' }}"
-        uses: "codecov/codecov-action@v2"
+      - name: Upload coverage to Codecov
+        if: ${{ matrix.python-version == '3.12' }}
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
-
-  package:
-    name: "Build & verify package"
-    runs-on: "ubuntu-latest"
-
-    steps:
-      - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
-        with:
-          python-version: "3.10"
-
-      - name: "Install build, check-wheel-contents, and twine"
-        run: "python -m pip install build twine check-wheel-contents"
-      - name: "Build package"
-        run: "python -m build --sdist --wheel ."
-      - name: "List result"
-        run: "ls -l dist"
-      - name: "Check wheel contents"
-        run: "check-wheel-contents dist/*.whl"
-      - name: "Check long_description"
-        run: "python -m twine check dist/*"

pyproject.toml

@@ -20,10 +20,14 @@ classifiers = [
     "Operating System :: OS Independent",
     "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",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dependencies = [
     'colorama; sys_platform=="win32"',

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py37, py38, py39, py310, pypy37, pypy38, lint
+envlist = py38, py39, py310, py311, py312, py313, pypy39, pypy310, lint
 
 [flake8]
 max-line-length = 110
@@ -16,12 +16,14 @@ testpaths = tests
 
 [gh-actions]
 python =
-  3.7: py37
-  3.8: py38, lint, docs
+  3.8: py38
   3.9: py39
   3.10: py310
-  pypy-3.7: pypy37
-  pypy-3.8: pypy38
+  3.11: py311
+  3.12: py312, lint, docs
+  3.13: py313
+  pypy-3.9: pypy39
+  pypy-3.10: pypy310
 
 [testenv]
 extras = export