release.yml

# Build releases and (on tags) publish to PyPI
name: Release

# always build releases (to make sure wheel-building works)
# but only publish to PyPI on tags
on:
  push:
    branches-ignore:
      - "pre-commit-ci*"
    tags:
      - "*"
  pull_request:

concurrency:
  group: >-
    ${{ github.workflow }}-
    ${{ github.ref_type }}-
    ${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

jobs:
  build-release:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v4
        with:
          python-version: 3.8

      - name: install build package
        run: |
          pip install --upgrade pip
          pip install build
          pip freeze

      - name: build release
        run: |
          python -m build --sdist --wheel .
          ls -l dist

      - name: verify wheel
        run: |
          cd dist
          pip install ./*.whl jupyterlab==3.*
          ipcluster --help-all
          ipcontroller --help-all
          ipengine --help-all
          jupyter labextension list 2>&1 | grep ipyparallel
          jupyter server extension list 2>&1 | grep ipyparallel

      # ref: https://github.com/actions/upload-artifact#readme
      - uses: actions/upload-artifact@v3
        with:
          name: ipyparallel-${{ github.sha }}
          path: "dist/*"
          if-no-files-found: error

      - name: Publish to PyPI
        if: startsWith(github.ref, 'refs/tags/')
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
        run: |
          pip install twine
          twine upload --skip-existing dist/*