build-wheels.yml

name: Build Python sdist and wheels

on:
  pull_request:
  push:
  release:
    types:
      - published

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04, windows-2022, macos-12]

    steps:
      - uses: actions/checkout@v4

      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all

      - name: Build ${{ matrix.os }} wheels
        uses: pypa/cibuildwheel@v2.21.3
        env:
          # we only support what's supported by wxPython, therefore we skip:
          #  * PyPy Python implementation
          #  * Python 3.6 and 3.7 versions
          #  * musl C implementation
          CIBW_SKIP: "pp* cp36* cp37* *-musllinux*"
          # produce ARM wheels on Linux in addition to 32 and 64 bit
          CIBW_ARCHS_LINUX: auto aarch64
          # produce wheels for macOS to support both Intel and Apple silicon
          CIBW_ARCHS_MACOS: x86_64 universal2 arm64

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

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

      - name: Build sdist
        run: pipx run build --sdist

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

  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    environment: pypi
    permissions:
      id-token: write
    if: github.event_name == 'release' && github.event.action == 'published'
    steps:
      - uses: actions/download-artifact@v4
        with:
          # unpack all CIBW artifacts into dist/
          pattern: cibw-*
          path: dist
          merge-multiple: true

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          # by default, the contents of the `dist/` directory are uploaded
          password: ${{ secrets.PYPI_API_KEY }}