format-python.yml

name: Ensure formatted code
on:
  pull_request:
    types: [ opened, edited, reopened, synchronize, ready_for_review ]
  workflow_dispatch:

permissions:
  contents: read
  pull-requests: write
  
jobs:
  format_check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install ruff
        run: pip install ruff
      - name: Check formatting for Python code
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set +e
          output=$(ruff format --check)
          exit_code=$?
          if [ $exit_code -eq 0 ]; then
            echo "All Python code is properly formatted."
            gh pr comment ${{ github.event.pull_request.number }} --body "All Python code is properly formatted."
          else
            echo "$output"
            echo "<details><summary>:rotating_light: Python code is not properly formatted. Click to expand.</summary>." > output.txt
            echo "" >> output.txt
            echo '```' >> output.txt
            echo "$output" >> output.txt
            echo '```' >> output.txt
            echo "" >> output.txt
            echo '</details>' >> output.txt
            echo "" >> output.txt
            echo 'Please run `ruff format` to format the code.' >> output.txt
            gh pr comment ${{ github.event.pull_request.number }} --body-file output.txt
            exit 1
          fi
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install ruff
        run: pip install ruff
      - name: Lint Python code
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set +e
          output=$(ruff check)
          exit_code=$?
          if [ $exit_code -eq 0 ]; then
            echo "All Python code is properly formatted."
            gh pr comment ${{ github.event.pull_request.number }} --body "All Python code is properly formatted."
          else
            echo "$output"
            echo "<details><summary>:rotating_light: Linting errors found in Python code. Click to expand.</summary>" > output.txt
            echo "" >> output.txt
            echo '```' >> output.txt
            echo "$output" >> output.txt
            echo '```' >> output.txt
            echo "" >> output.txt
            echo '</details>' >> output.txt
            echo "" >> output.txt
            echo 'Please run `ruff check --fix` to format the code.' >> output.txt
            gh pr comment ${{ github.event.pull_request.number }} --body-file output.txt
            exit 1
          fi