use actions/setup-python@v4

.github/workflows/pythoh-package-test.yml

@@ -10,18 +10,16 @@ on:
     branches: [ "main" ]
 
 jobs:
-  build:
-
+  test:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.9", "3.10", "3.11"]
-
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -31,10 +29,31 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |
-        # stop the build if there are Python syntax errors or undefined names
+        # stop the test if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
         pytest
+
+  publish:
+    needs: test
+    runs-on: ubuntu-latest
+    environment: pypi_publish
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install build twine
+      - name: Build package
+        run: python -m build
+      - name: Publish package
+        run: python -m twine upload -u __token__ -p ${{ secrets.PYPI_API_TOKEN }} --skip-existing dist/*