build_wheels.yml

name: BuildWheels

on:
  release:
    types: [published] # Trigger on release publishing
  workflow_dispatch:   # Trigger on manual run

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      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
      - uses: ilammy/msvc-dev-cmd@v1 # Adding for MSVC nmake

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

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.18.1
        env:
          # Skip older python's to prevent things like: https://github.com/pypa/cibuildwheel/issues/1828
          CIBW_SKIP: cp36-* cp37-* cp38-*

          # Specify additional architectures using emulation
          CIBW_ARCHS_LINUX: auto aarch64

          # Run tests with pytest
          CIBW_TEST_REQUIRES: pytest
          CIBW_TEST_COMMAND: "pytest {project}/tests"

          # Skip test: aarch64 on linux for now (emulated), fix when GitHub Actions supports aarch64
          # Skip test: 32-bit windows, will not work with pytest on 64-bit python
          CIBW_TEST_SKIP: "*-*linux_aarch64 *win32"

        with:
          package-dir: .
          output-dir: wheelhouse
          config-file: "{package}/pyproject.toml"

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