name: main

on: push

jobs:
  build-n-publish:
    name: Build and publish Python 🐍 distributions 📦 to PyPI
    runs-on: ubuntu-18.04

    steps:
      - uses: actions/checkout@master
      - name: Set up Python 3.9
        uses: actions/setup-python@v1
        with:
          python-version: 3.9
      - name: Install pypa/build
        run: >-
          python -m
          pip install
          build
          --user
      - name: Build a binary wheel and a source tarball
        run: >-
          python -m
          build
          --sdist
          --wheel
          --outdir dist/
          .
      - name: Publish a Python distribution to PyPI
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
        uses: pypa/gh-action-pypi-publish@v1.5.0
        with:
          user: __token__
          password: ${{ secrets.PYPI }}