black_action.yml

name: black-action
on: [pull_request]
jobs:
  linter_name:
    name: runner / black
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Check files using the black formatter
        uses: rickstaa/action-black@v1
        id: action_black
        with:
          black_args: "."
      - name: Create Pull Request
        if: steps.action_black.outputs.is_formatted == 'true'
        uses: peter-evans/create-pull-request@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          title: "Format Python code with psf/black push"
          commit-message: ":art: Format Python code with psf/black"
          body: |
            There appear to be some python formatting errors in ${{ github.sha }}. This pull request
            uses the [psf/black](https://github.com/psf/black) formatter to fix these issues.
          base: ${{ github.head_ref }} # Creates pull request onto pull request or commit branch
          branch: actions/black