name: publish on PyPI

on:
  push:
    tags:
      - '*'

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python 3.9
        uses: actions/setup-python@v4
        with:
          python-version: 3.9

      - name: Install Flit
        run: pip install --upgrade flit --user

      - name: Build and publish
        run: flit publish --setup-py 
        env:
          FLIT_USERNAME: __token__
          FLIT_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}