github: add python checkers

Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

.github/workflows/python.yml

@@ -0,0 +1,28 @@
+# GitHub actions workflow.
+# https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions
+
+name: Python
+
+on: [push, pull_request]
+
+jobs:
+  python:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    # NB: v1.4.0 covers Python 3.8.
+    - uses: ricardochaves/python-lint@v1.4.0
+      with:
+        python-root-list: lddtree.py pylint
+        use-pylint: true
+        use-pycodestyle: false
+        use-flake8: false
+        use-black: true
+        use-mypy: true
+        use-isort: true
+        extra-pylint-options: ""
+        extra-pycodestyle-options: ""
+        extra-flake8-options: ""
+        extra-black-options: ""
+        extra-mypy-options: ""
+        extra-isort-options: ""