Create python-app.yml

.github/workflows/python-app.yml

@@ -0,0 +1,39 @@
+# This workflow will install Python dependencies, check typing, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 pytest mypy
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Validate types with mypy
+      run: |
+        mypy widget_state tests
+    - name: Lint with flake8
+      run: |
+        flake8 --max-line-length 127 widget_state tests
+    - name: Test with pytest
+      run: |
+        pytest