build-wheels.yml

# Python release WIP
name: Build wheels
on: []
#  release:
#    types:
#      - published

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build_wheels:
    name: Build wheel for ${{ matrix.python }}-${{ matrix.buildplat[1] }}
    runs-on: ${{ matrix.buildplat[0] }}
    environment: pypi
    strategy:
      # Ensure that a wheel builder finishes even if another fails
      fail-fast: false
      matrix:
        # From NumPy
        # Github Actions doesn't support pairing matrix values together, let's improvise
        # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
        buildplat:
          - [ubuntu-20.04, manylinux_x86_64]
          - [ubuntu-20.04, musllinux_x86_64] # No OpenBlas, no test
          - [macos-12, macosx_x86_64]
          - [macos-12, macosx_arm64]
          - [windows-2019, win_amd64]
        python: ["cp38", "cp39","cp310", "cp311"]

    steps:
      - uses: actions/checkout@v3
      - name: Build wheels
        uses: pypa/cibuildwheel@v2.12.3
        env:
          CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
      - uses: actions/upload-artifact@v3
        with:
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Build sdist
        shell: bash -l {0}
        run: pipx run build --sdist

      - uses: actions/upload-artifact@v3
        with:
          path: dist/*.tar.gz

  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    # upload to PyPI on every tag starting with 'v'
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
    # alternatively, to publish when a GitHub Release is created, use the following rule:
    # if: github.event_name == 'release' && github.event.action == 'published'
    steps:
      - uses: actions/download-artifact@v3
        with:
          # unpacks default artifact into dist/
          # if `name: artifact` is omitted, the action will create extra parent dir
          name: artifact
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}