Add Gitea Actions workflow: ci.yml

.gitea/workflows/ci.yml

@@ -11,15 +11,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python
+      
+      - name: Set up Python 3.11
         uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-          cache: 'pip'
+      
+      - name: Install system dependencies
+        run: |
+          apt-get update && apt-get install -y python3-pip python3-venv
+      
+      - name: Create virtual environment
+        run: python3 -m venv /tmp/venv
+        shell: bash
+      
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          source /tmp/venv/bin/activate
+          pip install --upgrade pip
           pip install pytest click pyyaml jsonschema tomli
-          pip install -e .
+      
       - name: Run tests
-        run: pytest -v --tb=short
+        run: |
+          source /tmp/venv/bin/activate
+          pytest -v --tb=short || exit 1