cibuildwheel.yml

name: Build and Upload Wheels

on:
  release:
    types: [published]
  push:
    branches:
      - setuptools
  workflow_dispatch:
    inputs:
      deploy_target:
        type: choice
        description: "Choose the deployment target"
        options:
        - None
        - PyPI
        - Test PyPI

jobs:
  build_wheels:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        name: [manylinux-x86_64, macos-x86_64, macos-arm64]
        include:
          - name: manylinux-x86_64
            os: ubuntu-latest
            arch: x86_64
          - name: macos-x86_64
            os: macos-13
            macos-target: 10.13
          - name: macos-arm64
            os: macos-14
            macos-target: 11
            extra_macos_packages: ""  # We can specify additional packages per architecture if needed

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

    # Install system-level dependencies first
    - name: Install Packages (Linux)
      if: runner.os == 'Linux'
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          cmake \
          gperf \
          libgmp-dev \
          ninja-build \
          openjdk-8-jdk

    - name: Install Packages (macOS)
      if: runner.os == 'macOS'
      run: |
        brew update
        brew install \
          gperf \
          ninja \
          ${{ matrix.extra_macos_packages }}
        # Set up environment variables for compiler and linker to find brew-installed packages
        echo "LDFLAGS=-L$(brew --prefix)/lib $LDFLAGS" >> "$GITHUB_ENV"
        echo "CFLAGS=-I$(brew --prefix)/include $CFLAGS" >> "$GITHUB_ENV"
        echo "CPPFLAGS=-I$(brew --prefix)/include $CPPFLAGS" >> "$GITHUB_ENV"

    # Set up Python virtual environment and install Python dependencies
    - name: Python Dependencies
      run: |
        python3 -m venv ./.venv
        source ./.venv/bin/activate
        python3 -m pip install \
          Cython \
          meson \
          pyparsing \
          pytest \
          setuptools \
          toml \
          wheel
        echo "$PWD/.venv/bin" >> $GITHUB_PATH

    - name: Build C++ libraries
      run: |
        bash ./ci-scripts/cibw_build_before.sh
      env:
        MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macos-target }}

    - name: Debug Prints
      run: |
        echo ": pwd"
        pwd
        echo ": build"
        ls ./build
        echo ": build/python"
        ls ./build/python
        echo ": setup.py"
        cat ./build/python/setup.py

    - name: Clean up existing .so files on Linux
      if: runner.os == 'Linux'
      run: |
        find ./build/python -name "*.so" -delete
        find ./build/python -name "*.o" -delete

    - name: Build wheels
      uses: pypa/cibuildwheel@v2.16.2
      with:
        # Where the setup.py/pyproject.toml build infrastructure is
        package-dir: ./build/python
      env:
        CIBW_BUILD: "cp39-* cp310-* cp311-* cp312-* cp313-*"
        CIBW_SKIP: "*-win32 *-win_amd64 *-win_arm64 *-musllinux_*"
        CIBW_ARCHS_LINUX: ${{ matrix.arch }}
        CIBW_ENVIRONMENT_MACOS: >
          DYLD_LIBRARY_PATH="$(pwd)/install/lib:$DYLD_LIBRARY_PATH"
          MACOSX_DEPLOYMENT_TARGET=${{ matrix.macos-target }}
        CIBW_TEST_COMMAND: pytest {project}/tests

    - name: Upload wheels to PyPI
      if: >
        github.event_name == 'release' ||
        (github.event_name == 'workflow_dispatch' &&
          github.event.inputs.deploy_target == 'PyPI')
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
      run: |
        source ./.venv/bin/activate
        pip install twine
        twine upload --skip-existing wheelhouse/*.whl

    - name: Upload wheels to TestPyPI
      if: >
        github.event_name == 'workflow_dispatch' &&
        github.event.inputs.deploy_target == 'Test PyPI' ||
        (github.event_name == 'push' && github.ref == 'refs/heads/setuptools')
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_TOKEN }}
      run: |
        source ./.venv/bin/activate
        pip install twine
        twine upload --skip-existing --repository testpypi wheelhouse/*.whl