publish.yml

name: Publish Python Package

on:
  release:
    types: [published]

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: "0"
      - name: Set up Python
        uses: actions/setup-python@v1
        with:
          python-version: "3.x"
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install setuptools wheel twine
      - name: Autobump version setup.py
        id: bump-setup-py
        run: |
          # from refs/tags/v1.2.3 get 1.2.3
          VERSION=$(echo $GITHUB_REF | sed 's#.*/v##')
          PLACEHOLDER="__version__\ =\ \"0.0.0+dev0\""
          grep "$PLACEHOLDER" "setup.py"
          sed -i "s#$PLACEHOLDER#__version__ = \"$VERSION\"#g" "setup.py"
        shell: bash
      - name: Build and publish
        env:
          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
        run: |
          python setup.py sdist bdist_wheel
          twine upload dist/*