cibuildwheel.yml

name: Wheels

on:
  pull_request:
  push:
#     tags:
#       - "v*"
#   release:
#     types:
#       - published

permissions:
  contents: read

jobs:

  # build_sdist:
  #   name: Build source distribution
  #   runs-on: ubuntu-22.04
  #   steps:
  #     - uses: actions/checkout@v6
  #       with:
  #         fetch-depth: 0

  #     - uses: actions/setup-python@v6
  #       name: Install Python
  #       with:
  #         python-version: 3.x

  #     - name: Install APT packages
  #       if: contains(${{ matrix.os }}, 'ubuntu')
  #       run: |
  #         sudo apt update
  #         sudo apt install libhdf5-dev libnetcdf-dev

  #     - name: Build sdist
  #       run: >
  #         pip install build
  #         &&  python -m build --sdist . --outdir dist

  #     - uses: actions/upload-artifact@v6
  #       with:
  #         name: pypi-artifacts
  #         path: ${{ github.workspace }}/dist/*.tar.gz


  build_bdist:
    name: "Build ${{ matrix.os }} (${{ matrix.arch }}) wheels"
    runs-on: ${{ matrix.os }}
    # Prevent hanging when building from emulation like aarch64.
    timeout-minutes: 300
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-22.04
            arch: x86_64
          # - os: ubuntu-24.04-arm
          #   arch: aarch64

    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 0

    # For aarch64 support
    # https://cibuildwheel.pypa.io/en/stable/faq/#emulation
    - uses: docker/setup-qemu-action@v3
      with:
        platforms: all
      if: runner.os == 'Linux' && matrix.arch == 'aarch64'

    - name: Build oldest and newest Python
      shell: bash
      # On PRs we run only oldest and newest Python versions to reduce CI load.
      # Skips pypy and musllinux everywhere.
      # We are building 310, 311 and 314 for now.
      # (3.11 is the oldest version for which we support abi3 wheels)
      # These needs to rotate every new Python release.
      run: |
        set -x
        echo "CIBW_BUILD=cp310-* cp311-* cp314-*" >> $GITHUB_ENV
        set +x

      if: ${{ github.event_name }} == "pull_request"

    - name: "Building ${{ matrix.os }} (${{ matrix.arch }}) wheels"
      uses: pypa/cibuildwheel@v3.3.0
      env:
        CIBW_ARCHS: ${{ matrix.arch }}

    - uses: actions/upload-artifact@v6
      with:
        name: pypi-artifacts-${{ matrix.os }}-${{ matrix.arch }}
        path: ${{ github.workspace }}/wheelhouse/*.whl


  # build_wheels_winmac:
  #   name: Build wheels for ${{matrix.arch}} on ${{ matrix.os }}
  #   runs-on: ${{ matrix.os }}
  #   strategy:
  #     fail-fast: false
  #     matrix:
  #       include:
  #         - os: windows-latest
  #           arch: AMD64
  #         - os: macos-14
  #           arch: arm64
  #         - os: macos-15-intel
  #           arch: x86_64

  #   steps:
  #     - uses: actions/checkout@v6
  #       with:
  #         fetch-depth: 0

  #     - uses: actions/setup-python@v6
  #       name: Install Python
  #       with:
  #         python-version: 3.x

  #     - name: Setup Micromamba Python ${{ matrix.python-version }}
  #       uses: mamba-org/setup-micromamba@v2
  #       with:
  #         environment-name: build
  #         init-shell: bash
  #         create-args: >-
  #           python=${{ matrix.python-version }} libnetcdf=4.9.3 --channel conda-forge

  #     - name: Build wheels for Windows/Mac 
  #       uses: pypa/cibuildwheel@v3.3.0
  #       env:
  #         CIBW_ARCHS: ${{ matrix.arch }}

  #     - uses: actions/upload-artifact@v6
  #       with:
  #         name: pypi-artifacts-${{ matrix.os }}-${{ matrix.arch }}
  #         path: ${{ github.workspace }}/wheelhouse/*.whl


  # build_wheels_windows_arm:
  #   name: Build wheels for ARM64 on Windows
  #   runs-on: windows-11-arm
  #   steps:
  #     - uses: actions/checkout@v6
  #       with:
  #         fetch-depth: 0

  #     - uses: actions/setup-python@v6
  #       name: Install Python
  #       with:
  #         python-version: 3.x

  #     - name: Install vcpkg dependencies
  #       shell: pwsh
  #       run: |
  #         # Install vcpkg
  #         git clone https://github.com/Microsoft/vcpkg.git C:\vcpkg
  #         cd C:\vcpkg
  #         .\bootstrap-vcpkg.bat
          
  #         # Install netcdf and dependencies
  #         .\vcpkg.exe install hdf5:arm64-windows netcdf-c:arm64-windows zlib:arm64-windows
          
  #         # Set environment variables for build
  #         echo "HDF5_DIR=C:\vcpkg\installed\arm64-windows" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
  #         echo "NETCDF4_DIR=C:\vcpkg\installed\arm64-windows" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

  #     - name: Build wheels for Windows ARM64
  #       uses: pypa/cibuildwheel@v3.3.0
  #       env:
  #         CIBW_ARCHS: ARM64
  #         CIBW_SKIP: "cp310-*"

  #     - uses: actions/upload-artifact@v6
  #       with:
  #         name: pypi-artifacts-windows-11-arm-ARM64
  #         path: ${{ github.workspace }}/wheelhouse/*.whl


  # show-artifacts:
  #   needs: [build_bdist, build_sdist, build_wheels_winmac, build_wheels_windows_arm]
  #   name: "Show artifacts"
  #   runs-on: ubuntu-22.04
  #   steps:
  #   - uses: actions/download-artifact@v7
  #     with:
  #       pattern: pypi-artifacts*
  #       path: ${{ github.workspace }}/dist
  #       merge-multiple: true

  #   - shell: bash
  #     run: |
  #       ls -lh ${{ github.workspace }}/dist


  # publish-artifacts-pypi:
  #   needs: [build_bdist, build_sdist, build_wheels_winmac, build_wheels_windows_arm]
  #   name: "Publish to PyPI"
  #   runs-on: ubuntu-22.04
  #   # upload to PyPI for every tag starting with 'v'
  #   if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
  #   steps:
  #   - uses: actions/download-artifact@v7
  #     with:
  #       pattern: pypi-artifacts*
  #       path: ${{ github.workspace }}/dist
  #       merge-multiple: true

  #   - uses: pypa/gh-action-pypi-publish@release/v1
  #     with:
  #       user: __token__
  #       password: ${{ secrets.PYPI_PASSWORD }}
  #       print_hash: true