build_and_release.yml

name: Build and release to PyPI

# Build on every branch push, tag push, and pull request change:
on:
  push:
  pull_request:
  schedule:
  # 00:00 UTC every Saturday, don't bother anyone
  - cron: '0 0 * * 6'

jobs:
  build_wheels:
    name: Build wheels on ${{matrix.arch}} for ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04, windows-2019, macos-14]
        arch: [auto]
        include:
          - os: ubuntu-20.04
            arch: aarch64

    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-qemu-action@v3
        if: ${{ matrix.arch == 'aarch64' }}
        name: Set up QEMU
      - name: Run cibuildwheel
        uses: pypa/cibuildwheel@v2.22.0
        env:
          CIBW_ARCHS_LINUX: ${{matrix.arch}}
          CIBW_TEST_REQUIRES: pytest
          CIBW_TEST_COMMAND: "python -u {project}/run-tests.py"
          CIBW_ARCHS_MACOS: "x86_64 arm64 universal2"
          CIBW_TEST_SKIP: '*macosx_arm64 *universal2:arm64'
          CIBW_BUILD_VERBOSITY: 1
          CIBW_ENABLE: pypy cpython-freethreading
      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}-${{ matrix.arch }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: '3.13'

      - name: Install build
        run: pip install build

      - name: Build sdist
        run: python -m build -s

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

  merge_artifacts:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    steps:
      - name: Merge Artifacts
        uses: actions/upload-artifact/merge@v4
        with:
          name: all-artifacts


  upload_pypi:
    needs: [merge_artifacts]
    runs-on: ubuntu-22.04
    # upload to PyPI on every tag starting with 'v'
    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: all-artifacts
          path: dist

      - uses: pypa/gh-action-pypi-publish@master
        with:
          user: __token__
          password: ${{ secrets.pypi_password }}