release.yaml

name: Publish to PyPI

on:
  release:
    types: [published]

jobs:
  # Publish the package to PyPI https://pypi.org
  pypi-publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v1

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: '3.9'

      - name: Check version correctness
        run: |
          python3 .github/check_version.py --tag $GITHUB_REF_NAME --new_version $(< VERSION) --old_version $(git cat-file -p $(git rev-parse "$GITHUB_SHA"^1):VERSION)

      - name: Install dependencies
        run: |
          python3 -m pip install --upgrade pip
          pip3 install .[dev]

      - name: Build and publish to PyPI
        if: ${{ success() }}  # publish only when version passed the checks
        env:
          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
        run: |
          python3 -m build -w
          twine check dist/*
          twine upload --repository pypi dist/*