build_wheels.yml

name: Build  wheels

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:
  release:
    types: [published]

permissions:  # Ensure the workflow has permission to push changes
  contents: write  # Allow write access for pushing to the repository

jobs:
  build_wheels:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-latest]
        python-version: ["3.9"]

    steps:
      - name: Checkout the code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Clean up previous builds (if any)
        run: |
          rm -rf build dist *.egg-info class-sz/python/classy_sz.*so class-sz/python/classy_sz.*egg-info

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel==2.14.1

      # # Build wheels for Linux (with custom build options)
      # - name: Build wheels for Linux
      #   if: matrix.os == 'ubuntu-latest'
      #   env:
      #     CIBW_BEFORE_BUILD: "yum install -y gsl-devel fftw-devel"
      #     CIBW_ARCHS: aarch64
      #     CIBW_BUILD: cp39-manylinux_aarch64
      #   run: python -m cibuildwheel --output-dir wheelhouse

      # - name: Install dependencies on macOS
      #   if: matrix.os == 'macos-latest'
      #   run: |
      #     brew install gsl fftw libomp
      #     chmod +x select_makefile.sh
      #     ./select_makefile.sh
      #     make clean

      #       # Check that omp.h is available in the include directory
      #     if [ -f /opt/homebrew/opt/libomp/include/omp.h ]; then
      #       echo "omp.h found"
      #     else
      #       echo "omp.h not found" && exit 1
      #     fi

      #       # Check that gsl_integration.h and fftw3.h are available
      #     if [ -f /opt/homebrew/opt/gsl/include/gsl/gsl_integration.h ]; then
      #       echo "gsl_integration.h found"
      #     else
      #       echo "gsl_integration.h not found" && exit 1
      #     fi
          
      #     if [ -f /opt/homebrew/opt/fftw/include/fftw3.h ]; then
      #       echo "fftw3.h found"
      #     else
      #       echo "fftw3.h not found" && exit 1
      #     fi


      #     export LIBRARY_PATH=/opt/homebrew/opt/libomp/lib:$LIBRARY_PATH
      #     export C_INCLUDE_PATH=/opt/homebrew/opt/libomp/include:$C_INCLUDE_PATH
      #     export DYLD_LIBRARY_PATH=/opt/homebrew/opt/libomp/lib:$DYLD_LIBRARY_PATH # (Mac M1 users only)
      #   working-directory: class-sz
          
      # # Build wheels for macOS (with Apple Silicon support)
      # - name: Build wheels for macOS
      #   if: matrix.os == 'macos-latest'
      #   env:
      #     CIBW_ARCHS: "arm64"
      #     LDFLAGS: "-L/opt/homebrew/opt/libomp/lib -L/opt/homebrew/opt/gsl/lib -L/opt/homebrew/opt/fftw/lib"
      #     CPPFLAGS: "-I/opt/homebrew/opt/libomp/include -I/opt/homebrew/opt/gsl/include -I/opt/homebrew/opt/fftw/include"
      #     LIBRARY_PATH: "/opt/homebrew/opt/libomp/lib:/opt/homebrew/opt/gsl/lib:/opt/homebrew/opt/fftw/lib:$LIBRARY_PATH"
      #     C_INCLUDE_PATH: "/opt/homebrew/opt/libomp/include:/opt/homebrew/opt/gsl/include:/opt/homebrew/opt/fftw/include:$C_INCLUDE_PATH"
      #     DYLD_LIBRARY_PATH: "/opt/homebrew/opt/libomp/lib:/opt/homebrew/opt/gsl/lib:/opt/homebrew/opt/fftw/lib:$DYLD_LIBRARY_PATH"

      #   run: python -m cibuildwheel --output-dir wheelhouse



      - name: Install dependencies for source distribution
        run: |
          python -m pip install build Cython numpy classy_szfast

      - name: Build source distribution (sdist)
        run: python -m build --sdist --outdir dist

      - name: Upload built distributions (wheels and sdist)
        uses: actions/upload-artifact@v4
        with:
          name: wheels-and-sdist-${{ matrix.os }}-${{ matrix.python-version }}
          path: |
            wheelhouse/*.whl
            dist/*.tar.gz




  publish_wheels:
    runs-on: ubuntu-latest
    needs: build_wheels
    strategy:
      matrix:
        os: [macos-latest]
        python-version: ["3.9"]
        
    steps:
      - name: Checkout the code
        uses: actions/checkout@v4

      - name: Download built wheels and sdist
        uses: actions/download-artifact@v4
        with:
          name: wheels-and-sdist-${{ matrix.os }}-${{ matrix.python-version }}
          path: wheels-and-sdist-${{ matrix.os }}-${{ matrix.python-version }}


      - name: Install dependencies for uploading
        run: python -m pip install -U pip twine

      - name: Upload distributions to PyPI
        run: |
          ls 
          ls -R wheels-and-sdist-${{ matrix.os }}-${{ matrix.python-version }}
          mkdir -p wheelhouse dist
          # mv wheels-and-sdist--${{ matrix.os }}-${{ matrix.python-version }}/wheelhouse/* wheelhouse/
          mv wheels-and-sdist-${{ matrix.os }}-${{ matrix.python-version }}/dist/* dist/
          twine upload wheelhouse/* dist/*
          # twine upload dist/*
        env:
          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}