add Python syntax check and linting workflow

.gitea/workflows/python-syntax.yml

@@ -0,0 +1,38 @@
+name: Python syntax & lint
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  syntax-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+          pip install flake8
+
+      - name: Run Python syntax check
+        run: |
+          set -e
+          files=$(git ls-files '*.py')
+          if [ -z "$files" ]; then echo "No Python files to check"; exit 0; fi
+          python -m py_compile $files
+
+      - name: Run flake8 lint
+        run: |
+          files=$(git ls-files '*.py')
+          if [ -z "$files" ]; then echo "No Python files to lint"; exit 0; fi
+          flake8 $files

README.md

@@ -95,3 +95,5 @@ python batch.py
 
 ## License
 - MIT No Attribution — see `MIT-0.txt`.
+
+## Made with Claude Sonnet in about 15 Minutes.