Switch to pypa/gh-action-pypi-publish.

.github/workflows/checks.yml

@@ -23,6 +23,9 @@ jobs:
         - python-version: 3.12
           env:
             TOXENV: pylint
+        - python-version: 3.12
+          env:
+            TOXENV: twinecheck
 
     steps:
     - uses: actions/checkout@v4

.github/workflows/publish.yml

@@ -15,11 +15,12 @@ jobs:
       with:
         python-version: 3.12
 
-    - name: Publish to PyPI
+    - name: Build
       run: |
-        pip install --upgrade pip
-        pip install --upgrade setuptools wheel twine
-        python setup.py sdist bdist_wheel
-        export TWINE_USERNAME=__token__
-        export TWINE_PASSWORD=${{ secrets.PYPI_TOKEN }}
-        twine upload dist/*
+        pip install --upgrade build twine
+        python -m build
+
+    - name: Publish to PyPI
+      uses: pypa/[email protected]
+      with:
+        password: ${{ secrets.PYPI_TOKEN }}

tox.ini

@@ -45,3 +45,12 @@ deps =
     pylint==3.1.0
 commands =
     pylint {posargs:itemadapter}
+
+[testenv:twinecheck]
+basepython = python3
+deps =
+    twine==5.0.0
+    build==1.2.1
+commands =
+    python -m build --sdist
+    twine check dist/*