ci: add Python formatting, linting and type checking (#485)

.github/workflows/ci.yml

@@ -76,6 +76,46 @@ jobs:
             exit 1
           fi
 
+  format-python:
+    name: Check linting, formatting and typing
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: packages/python
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        with:
+          fetch-depth: 0
+
+      - name: pip update and add build package
+        run: bash proto2python.sh ~/pyvenv
+
+      - name: Install dependencies
+        run: pip install "$(echo pkg/armonik*.whl)[dev]"
+
+      - name: Lint
+        run: python -m ruff .
+
+      - name: Check typing
+        run: python -m mypy --exclude src/armonik/protogen/ src/
+
+      - name: Check format
+        run: python -m ruff format .
+
+      - name: Check Diff
+        run: |
+          DIFF="$(git diff --name-only)"
+
+          if [ -z "$DIFF" ]; then
+            echo "OK: Format is clean"
+          else
+            echo "Error: Format was not clean"
+            echo "List of files:"
+            echo "$DIFF"
+            git diff
+            exit 1
+          fi
+
   format-cpp:
     name: Format C++
     runs-on: ubuntu-latest

packages/python/pyproject.toml

@@ -40,7 +40,11 @@ tests = [
   'pytest',
   'pytest-cov',
   'pytest-benchmark[histogram]',
-  'requests'
+  'requests',
+]
+dev = [
+    'mypy',
+    'ruff',
 ]
 
 [tool.pytest.ini_options]