publish.yml

# This workflow will upload a Python package using Twine when a release is
# created. For more information see the following link:
#     https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries

name: Publish to PyPI

on:
  release:
    types: [published]

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Fetch tags
        run: |
          sleep 10  # Sleep a while to make sure everything is up-to-date.
          git fetch --prune --unshallow --tags

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -U setuptools 'setuptools_scm[toml]' setuptools_scm_git_archive wheel twine

      - 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/*