build_wheels.yml

name: Wheels

on: [ push, pull_request ]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        #
        os: [ macos-12, macos-13, macos-14, ubuntu-latest, windows-latest ]

    steps:
      - uses: awvwgk/setup-fortran@main
        id: setup-fortran
        with:
          compiler: gcc
          version: 11

      - run: ${{ env.FC }} --version
        env:
          FC: ${{ steps.setup-fortran.outputs.fc }}

      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel==2.18.1

      - name: Build macos-13 wheels
        if: matrix.os == 'macos-13'
        env:
          # Disable building for PyPy and 32bit.
          MACOSX_DEPLOYMENT_TARGET: 13
          CIBW_BUILD: cp311-*
          CIBW_SKIP: pp*
          #CIBW_TEST_REQUIRES: scipy sympy
          #CIBW_TEST_COMMAND: python -m unittest camb.tests.camb_test
          CIBW_BUILD_VERBOSITY: 1
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Build macos-12 wheels
        if: matrix.os == 'macos-12'
        env:
          # Disable building for PyPy and 32bit.
          MACOSX_DEPLOYMENT_TARGET: 12
          CIBW_BUILD: cp311-*
          CIBW_SKIP: pp*
          CIBW_BUILD_VERBOSITY: 1
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Build wheels
        if: matrix.os != 'macos-13' && matrix.os != 'macos-12'
        env:
          MACOSX_DEPLOYMENT_TARGET: 14
          # Disable building for PyPy and 32bit.
          CIBW_BUILD: cp311-*
          CIBW_SKIP: pp* *-win32 *-manylinux_i686 *musllinux*
          #CIBW_TEST_REQUIRES: scipy sympy
          #CIBW_TEST_COMMAND: python -m unittest camb.tests.camb_test
          CIBW_BUILD_VERBOSITY: 1
        run: python -m cibuildwheel --output-dir wheelhouse

      - uses: actions/upload-artifact@v4
        with:
          name: wheels-${{ matrix.os }}
          path: |
            wheelhouse/*.whl

  build-sdist-and-upload:
      runs-on: ubuntu-latest
      needs: ['build_wheels']
      permissions:
        id-token: write

      steps:
        - uses: actions/checkout@v4
          with:
            submodules: recursive

        - name: Set up Python
          uses: actions/setup-python@v5
          with:
            python-version: "3.10"
            cache: pip
            cache-dependency-path: "setup.py"

        - name: Install dependencies
          run: |
            python -m pip install -U pip
            python -m pip install -U build twine

        - name: Download wheels from build artifacts
          uses: actions/download-artifact@v4
          with:
            pattern: wheels-*
            merge-multiple: true
            path: dist-wheels/

        - name: Build package
          run: |
            python -m build --sdist
            twine check --strict dist/*
            twine check --strict dist-wheels/*

        - name: Publish wheels to PyPI
          uses: pypa/gh-action-pypi-publish@release/v1
          with:
            repository-url: https://test.pypi.org/legacy/
            packages-dir: dist-wheels/

        - name: Publish sdist to PyPI
          uses: pypa/gh-action-pypi-publish@release/v1
          with:
            repository-url: https://test.pypi.org/legacy/