build_wheels.yml

name: Wheels

on: [ push, pull_request ]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    if: ${{ startsWith(github.ref, 'refs/tags/') || contains(github.event.head_commit.message, '[pypi]') }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ macos-12 ]

    steps:
      - uses: awvwgk/setup-fortran@main
        if: matrix.os == 'windows-latest'
        id: setup-fortran
        with:
          compiler: gcc
          version: 11

      - run: ln -s $(which gfortran-12) /usr/local/bin/gfortran
        if: matrix.os != 'windows-latest'

      - run: gfortran --version

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

      - uses: actions/setup-python@v5

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

      - name: Build macos-13 wheels
        if: matrix.os == 'macos-13' || matrix.os == 'macos-13-xlarge'
        env:
          MACOSX_DEPLOYMENT_TARGET: 13
          CIBW_BUILD: cp311-*
          CIBW_SKIP: pp*
          CIBW_BUILD_VERBOSITY: 1
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Download and install gfortran-10.2
        if: matrix.os == 'macos-12'
        run: |
          set -e  # Exit immediately if a command exits with a non-zero status
          
          echo "Downloading gfortran-10.2-Catalina.dmg..."
          curl -L -o gfortran-10.2-Catalina.dmg https://github.com/fxcoudert/gfortran-for-macOS/releases/download/10.2/gfortran-10.2-Catalina.dmg
          
          echo "Mounting gfortran-10.2-Catalina.dmg..."
          hdiutil attach gfortran-10.2-Catalina.dmg
          
          echo "Installing gfortran..."
          sudo installer -pkg /Volumes/gfortran-10.2-Catalina/gfortran.pkg -target /
          
          echo "Unmounting gfortran-10.2-Catalina.dmg..."
          hdiutil detach /Volumes/gfortran-10.2-Catalina
          
          echo "Verifying gfortran installation..."
          gfortran --version
          gfortran -dumpversion
          gfortran -dumpfullversion

      - name: Build macos-12 wheels
        if: matrix.os == 'macos-12'
        env:
          # all cp3xx, since old macs seem to only use osx 12+ builds if this is set not "none"
          # see consistency with get_tag() in setup.py
          CIBW_BUILD: cp311-*
          MACOSX_DEPLOYMENT_TARGET: 12
          CIBW_SKIP: pp*
          CIBW_BUILD_VERBOSITY: 1
        run: python -m cibuildwheel --output-dir wheelhouse

      - name: Build wheels
        if: matrix.os == 'macos-14' || matrix.os == 'ubuntu-latest' || matrix.os == 'windows-latest'
        env:
          MACOSX_DEPLOYMENT_TARGET: 14
          CIBW_BUILD: cp311-*
          CIBW_SKIP: pp* *-win32 *-manylinux_i686 *musllinux*
          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' ]
    environment: wheels
    if: github.repository_owner == 'cmbant'
    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 Test
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        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 Test
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/

      - name: Publish wheels to PyPI
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: dist-wheels/

      - name: Publish sdist to PyPI
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        uses: pypa/gh-action-pypi-publish@release/v1

  test_wheels:
    name: Test wheels on ${{ matrix.os }}
    if: contains(github.event.head_commit.message, '[testpypi]')
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ macos-12, macos-13 ]

    steps:
      - uses: actions/setup-python@v5

      - name: install
        run: python -m pip install -i https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ camb

      - name: test
        run: python -m unittest camb.tests.camb_test