Check distribution build

.github/workflows/tests.yml

@@ -71,11 +71,29 @@ jobs:
         parallel-finished: true
         format: cobertura
 
+  test-distribution:
+    name: Check built package
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install wheel twine
+    - name: Build distribution files
+      run: python setup.py bdist_wheel sdist
+    - name: Check distribution files
+      run: twine check dist/*
+
   deploy-tag-to-pypi:
     # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
     if: startsWith(github.ref, 'refs/tags/v')
     needs:
     - run-tests
+    - test-distribution
     runs-on: ubuntu-latest
     # This environment stores the TWINE_USERNAME and TWINE_PASSWORD
     # see https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment
@@ -92,7 +110,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.9"
+        python-version: "3.12"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -133,7 +151,8 @@ jobs:
     # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
     if: startsWith(github.ref, 'refs/tags/v')
     needs:
-      - run-tests
+    - run-tests
+    - test-distribution
     runs-on: ubuntu-latest
     environment:
       name: github-release

CHANGES.rst

@@ -19,6 +19,7 @@ Minor changes:
 - Remove 4.x badge
 - Update list of ``tox`` environments
 - Use Coveralls' GitHub Action
+- Check distribution in CI
 
 Breaking changes: