coverage.yml

# .github/workflows/coverage.yml
name: Post coverage comment

on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed

jobs:
  test:
    name: Run tests & display coverage
    runs-on: ubuntu-latest
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    steps:
      # DO NOT run actions/checkout@v2 here, for security reasons
      # For details, refer to https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
      - name: Post comment
        uses: py-cov-action/python-coverage-comment-action@v3
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_PR_RUN_ID: ${{ github.event.workflow_run.id }}
          # Update those if you changed the default values:
          # COMMENT_ARTIFACT_NAME: python-coverage-comment-action
          # COMMENT_FILENAME: python-coverage-comment-action.txt