cibuildwheel.yml

name: Build CI wheels

on:
  # Save CI by only running this on release branches or tags.
  push:
    branches:
      - main
      - v[0-9]+.[0-9]+.x
    tags:
      - v*
  # Also allow running this action on PRs if requested by applying the
  # "Run cibuildwheel" label.
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - labeled

jobs:
  build_wheels:
    if: |
      github.event_name == 'push' ||
      github.event_name == 'pull_request' && (
        (
          github.event.action == 'labeled' &&
          github.event.label.name == 'Run cibuildwheel'
        ) ||
        contains(github.event.pull_request.labels.*.name, 'Run cibuildwheel')
      )
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    env:
      CIBW_ARCHS_MACOS: "x86_64 universal2 arm64"
      MACOSX_DEPLOYMENT_TARGET: "10.12"
    strategy:
      matrix:
        os: [ubuntu-18.04, windows-latest, macos-10.15]
        cibw_archs: ["auto"]
        include:
          - os: ubuntu-18.04
            cibw_archs: "aarch64"

    steps:
      - name: Set up QEMU
        if: matrix.cibw_archs == 'aarch64'
        uses: docker/setup-qemu-action@v1
        with:
          platforms: arm64

      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v3
        name: Install Python
        with:
          python-version: '3.8'

      - name: Install cibuildwheel
        run: |
          python -m pip install cibuildwheel==2.1.1

      - name: Build wheels for CPython 3.10
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          CIBW_BUILD: "cp310-*"
          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
          CIBW_BEFORE_BUILD: pip install certifi oldest-supported-numpy
          MPL_DISABLE_FH4: "yes"
          CIBW_ARCHS: ${{ matrix.cibw_archs }}

      - name: Build wheels for CPython 3.9
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          CIBW_BUILD: "cp39-*"
          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
          CIBW_MANYLINUX_I686_IMAGE: manylinux1
          CIBW_BEFORE_BUILD: pip install certifi oldest-supported-numpy
          MPL_DISABLE_FH4: "yes"
          CIBW_ARCHS: ${{ matrix.cibw_archs }}

      - name: Build wheels for CPython 3.8
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          CIBW_BUILD: "cp38-*"
          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
          CIBW_MANYLINUX_I686_IMAGE: manylinux1
          CIBW_BEFORE_BUILD: pip install certifi numpy==1.19.2
          MPL_DISABLE_FH4: "yes"
          CIBW_ARCHS: ${{ matrix.cibw_archs }}

      - name: Build wheels for PyPy
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          CIBW_BUILD: "pp38-*"
          CIBW_BEFORE_BUILD: pip install certifi oldest-supported-numpy
          CIBW_ARCHS: ${{ matrix.cibw_archs }}
          PIP_USE_FEATURE: in-tree-build
        if: false && matrix.cibw_archs != 'aarch64'

      - name: Validate that LICENSE files are included in wheels
        run: |
          python ./ci/check_wheel_licenses.py

      - uses: actions/upload-artifact@v3
        with:
          name: wheels
          path: ./dist/*.whl