actions-only_changed_files.yml

name: Lint only files changed in Pull Request, and ignore Missing docstrings
on:
  pull_request:
    types: [ opened, reopened, synchronize, edited ]
jobs:
  lint:
    runs-on: ubuntu-latest
    name: Lint
    steps:
      - name: Check out source repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # This is necessary to get the commits
      - name: Set up Python environment
        uses: actions/setup-python@v5
        with:
          python-version: "3.8"
      - name: Get changed python files between base and head
        run: >
          echo "CHANGED_FILES=$(echo $(git diff --name-only ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }} -- | grep \.py))" >> $GITHUB_ENV
      - if: ${{ env.CHANGED_FILES }}
        uses: marian-code/python-lint-annotate@v3
        with:
          python-root-list: ${{ env.CHANGED_FILES }}
          extra-pylint-options: "--disable=C0114,C0116"  # Missing doctrings
          extra-pydocstyle-options: "--ignore=D1"  # Missing doctrings http://www.pydocstyle.org/en/stable/error_codes.html#grouping