Introduce Justfile, use uv in CI

Author: Tinche

.github/workflows/main.yml

@@ -16,26 +16,20 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "pypy-3.10"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "pypy3.10"]
       fail-fast: false
 
     steps:
       - uses: "actions/checkout@v4"
         with:
           persist-credentials: false
 
-      - uses: "pdm-project/setup-pdm@v4"
-        with:
-          python-version: "${{ matrix.python-version }}"
-          allow-python-prereleases: true
-          cache: true
-          version: "2.21.0"
+      - uses: extractions/setup-just@v3
+      - uses: hynek/setup-cached-uv@v2
 
-      - name: "Run Tox"
+      - name: "Run Tests"
         run: |
-          python -Im pip install --upgrade tox tox-gh-actions
-
-          python -Im tox
+          just cov ${{ startsWith(matrix.python-version, 'pypy') && matrix.python-version || format('python{0}', matrix.python-version) }}
 
       - name: Upload coverage data
         uses: actions/upload-artifact@v4
@@ -55,33 +49,28 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: "actions/setup-python@v5"
-        with:
-          cache: "pip"
-          python-version: "3.12"
-
-      - run: "python -Im pip install --upgrade coverage[toml]"
-
       - name: Download coverage data
         uses: actions/download-artifact@v4
         with:
           pattern: coverage-data-*
           merge-multiple: true
 
+      - uses: hynek/setup-cached-uv@v2
+
       - name: "Combine coverage"
         run: |
-          python -Im coverage combine
-          python -Im coverage html
-          python -Im coverage json
+          uv run --group test coverage combine
+          uv run --group test  coverage html
+          uv run --group test  coverage json
 
           # Report and write to summary.
-          python -Im coverage report --format=markdown >> $GITHUB_STEP_SUMMARY
+          uv run --group test coverage report --format=markdown >> $GITHUB_STEP_SUMMARY
 
-          export TOTAL=$(python -c "import json;print(json.load(open('coverage.json'))['totals']['percent_covered_display'])")
+          export TOTAL=$(uv run python -c "import json;print(json.load(open('coverage.json'))['totals']['percent_covered_display'])")
           echo "total=$TOTAL" >> $GITHUB_ENV
 
           # Report again and fail if under the threshold.
-          python -Im coverage report --fail-under=100
+          uv run --group test coverage report --fail-under=100
 
       - name: "Upload HTML report."
         uses: "actions/upload-artifact@v4"
@@ -90,20 +79,6 @@ jobs:
           path: "htmlcov"
         if: always()
 
-      - name: "Make badge"
-        if: github.ref == 'refs/heads/main'
-        uses: "schneegans/dynamic-badges-action@v1.4.0"
-        with:
-          # GIST_TOKEN is a GitHub personal access token with scope "gist".
-          auth: ${{ secrets.GIST_TOKEN }}
-          gistID: 22405310d6a663164d894a2beab4d44d
-          filename: covbadge.json
-          label: Coverage
-          message: ${{ env.total }}%
-          minColorRange: 50
-          maxColorRange: 90
-          valColorRange: ${{ env.total }}
-
   package:
     name: "Build & verify package"
     runs-on: "ubuntu-latest"
@@ -112,18 +87,14 @@ jobs:
       - uses: "actions/checkout@v4"
         with:
           persist-credentials: false
-      - uses: "pdm-project/setup-pdm@v4"
-        with:
-          python-version: "3.12"
-          version: "2.21.0"
 
-      - name: "Install check-wheel-content and twine"
-        run: "python -m pip install twine check-wheel-contents"
+      - uses: hynek/setup-cached-uv@v2
+
       - name: "Build package"
-        run: "pdm build"
+        run: "uvx pdm build"
       - name: "List result"
         run: "ls -l dist"
       - name: "Check wheel contents"
-        run: "check-wheel-contents --toplevel cattr,cattrs dist/*.whl"
+        run: "uvx check-wheel-contents --toplevel cattr,cattrs dist/*.whl"
       - name: "Check long_description"
-        run: "python -m twine check dist/*"
+        run: "uvx twine check dist/*"

Justfile

@@ -0,0 +1,6 @@
+test python='':
+    uv run {{ if python != '' { '-p ' + python } else { '' } }} --all-extras --group test pytest -x --ff -n auto tests/
+
+cov python='':
+    uv run {{ if python != '' { '-p ' + python } else { '' } }} python -c 'import pathlib, site; pathlib.Path(f"{site.getsitepackages()[0]}/cov.pth").write_text("import coverage; coverage.process_startup()")'
+    uv run {{ if python != '' { '-p ' + python } else { '' } }} --all-extras --group test coverage run -m pytest -x --ff -n auto tests/