release.yml

name: Build and upload to PyPI

# Build on every branch push, tag push, and pull request change:
on: [push, pull_request]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        # macos-13 is an intel runner, macos-14 is apple silicon
        os: [ubuntu-latest, windows-latest, macos-13, macos-14]

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.17.0

      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: '3.12'

      - name: Build sdist
        run:  |
          python -m pip install build
          python -m build --sdist

      - uses: actions/upload-artifact@v4
        with:
          name: sdist
          path: dist/*.tar.gz

  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    # upload to PyPI on every tag
    if: startsWith(github.ref, 'refs/tags')
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: sdist
          path: dist

      - uses: actions/download-artifact@v4
        with:
          path: dist
          pattern: wheels-*

      - uses: pypa/gh-action-pypi-publish@v1
        with:
          user: __token__
          password: ${{ secrets.pypi_token }}
          # To test: repository_url: https://test.pypi.org/legacy/