cibuildwheel.yml

name: build

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

jobs:

  source:
    name: Build source package
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - run: pip install build && python -m build --sdist

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

  wheels:
    name: Build binary packages
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

    steps:
      - uses: actions/checkout@v4

      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

      # See https://docs.scipy.org/doc/scipy/building/index.html
      - name: Install MinGW
        if: runner.os == 'Windows'
        run: |
          choco install rtools -y --no-progress --force --version=4.0.0.20220206
          echo "c:\rtools40\ucrt64\bin;" >> $env:GITHUB_PATH

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.16
        env:
          CIBW_ARCHS_LINUX: auto aarch64
          CIBW_ARCHS_WINDOWS: AMD64
          CIBW_ENVIRONMENT_MACOS: FC=gfortran-11
          # Skip musllinux wheels, which take a long time to build because Numpy must be built from source
          # Skip PyPy wheels
          # Skip 32-bit Intel wheels
          CIBW_SKIP: '*musllinux* pp* *_i686'

      - uses: actions/upload-artifact@v3
        with:
          path: wheelhouse/*

  publish:
    name: Publish to PyPI
    runs-on: ubuntu-latest
    permissions:
      id-token: write
    needs: [source, wheels]
    if: github.event_name == 'release'
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: artifact
          path: dist
      - uses: pypa/gh-action-pypi-publish@release/v1