release-python.yml

name: Python Wheels

on:
  push:
    tags:
      - "[0-9]+.[0-9]+.[0-9]+"
      - "[0-9]+.[0-9]+.[0-9]+.post[0-9]+"
      - "[0-9]+.[0-9]+.[0-9]+[a-b][0-9]+"
      - "[0-9]+.[0-9]+.[0-9]+rc[0-9]+"
  workflow_dispatch:
  pull_request:

concurrency:
  group: wheels-${{ github.ref }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash -eux {0}

jobs:
  build_wheels:
    name: Build wheels for ${{ matrix.buildplat[1] }}
    runs-on: ${{ matrix.buildplat[0] }}
    strategy:
      # Ensure that a wheel builder finishes even if another fails
      fail-fast: false
      matrix:
        # Github Actions doesn't support pairing matrix values together, let's improvise
        # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
        buildplat:
        - [ubuntu-20.04, "manylinux_x86_64", "cp3*-manylinux_x86_64"]
        - [ubuntu-20.04, "manylinux_aarch64", "cp3*-manylinux_aarch64"]
        - [ubuntu-20.04, "manylinux_ppc64le", "cp3*-manylinux_ppc64le"]
        - [ubuntu-20.04, "manylinux_s390x", "cp3*-manylinux_s390x"]
        - [ubuntu-20.04, "manylinux_i686", "cp3*-manylinux_i686"]
        - [windows-2019, "win_amd6", "cp3*-win_amd64"]
        - [windows-2019, "win32", "cp3*-win32"]
        - [macos-14, "macos", "cp*-macosx_*"]

    steps:
      - name: Checkout pymongo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
        with:
          cache: 'pip'
          python-version: 3.8
          cache-dependency-path: 'pyproject.toml'
          allow-prereleases: true

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

      - name: Install cibuildwheel
        # Note: the default manylinux is manylinux2014
        run: |
          python -m pip install -U pip
          python -m pip install "cibuildwheel>=2.17,<3"

      - name: Build wheels
        env:
          CIBW_BUILD: ${{ matrix.buildplat[2] }}
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Build manylinux1 wheels
        if: ${{ matrix.buildplat[1] == 'manylinux_x86_64' || matrix.buildplat[1] == 'manylinux_i686' }}
        env:
          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
          CIBW_MANYLINUX_I686_IMAGE: manylinux1
          CIBW_BUILD: "cp38-${{ matrix.buildplat[1] }} cp39-${{ matrix.buildplat[1] }}"
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Assert all versions in wheelhouse
        if: ${{ ! startsWith(matrix.buildplat[1], 'macos') }}
        run: |
          ls wheelhouse/*cp38*.whl
          ls wheelhouse/*cp39*.whl
          ls wheelhouse/*cp310*.whl
          ls wheelhouse/*cp311*.whl
          ls wheelhouse/*cp312*.whl

      - uses: actions/upload-artifact@v4
        with:
          name: wheel-${{ matrix.buildplat[1] }}
          path: ./wheelhouse/*.whl
          if-no-files-found: error

  make_sdist:
    name: Make SDist
    runs-on: macos-13
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
        with:
          # Build sdist on lowest supported Python
          python-version: '3.8'

      - name: Build SDist
        run: |
          set -ex
          python -m pip install -U pip build
          python -m build --sdist .

      - name: Test SDist
        run: |
          python -m pip install dist/*.gz
          cd ..
          python -c "from pymongo import has_c; assert has_c()"

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

  collect_dist:
    runs-on: ubuntu-latest
    needs: [build_wheels, make_sdist]
    name: Download Wheels
    steps:
      - name: Download all workflow run artifacts
        uses: actions/download-artifact@v4
      - name: Flatten directory
        working-directory: .
        run: |
          find . -mindepth 2 -type f -exec mv {} . \;
          find . -type d -empty -delete
      - uses: actions/upload-artifact@v4
        with:
          name: all-dist-${{ github.run_id }}
          path: "./*"

  publish:
    # https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/#publishing-the-distribution-to-pypi
    needs: [collect_dist]
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest
    environment: release
    permissions:
      id-token: write
    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v4
      with:
        name: all-dist-${{ github.run_id }}
        path: dist/
    - name: Publish distribution 📦 to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1