ci: test Python package

.github/workflows/python.yml

@@ -0,0 +1,35 @@
+name: Python CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-and-test:
+    name: Build and test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-13, macos-14]
+        python-version: ['3.8', '3.12']
+    steps:
+    - name: Check out repo
+      uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Pip install the package
+      run: python -m pip install .[tests]
+    - name: Run pytest
+      run: |
+        pytest -vv