GitHub Actions setup.

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: Python package
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install tox tox-gh-actions
+      - name: Test with tox
+        run: tox

tox.ini

@@ -3,6 +3,14 @@ requires = tox>=4
 env_list = 3.{9,10,11,12,13}
 skip_missing_interpreters = true
 
+[gh-actions]
+python =
+    3.9: 3.9
+    3.10: 3.10
+    3.11: 3.11
+    3.12: 3.12
+    3.13: 3.13
+
 [testenv]
 deps =
    pytest