cd-wheel.yml

name: cd-wheel

permissions:
  contents: read

on:
  workflow_call:
    inputs:
      repository:
        description: 'mpi4py repository'
        default: mpi4py/mpi4py
        required: false
        type: string
      ref:
        description: 'mpi4py ref'
        default: ''
        required: false
        type: string
      os-arch:
        description: 'Target OS-Architecture'
        default: ''
        required: false
        type: string
      python-tag:
        description: "CPython/PyPy tag ({cp,pp}3{7..12})"
        default: ''
        required: false
        type: string
      skip-tag:
        description: "Skip build tags"
        default: ''
        required: false
        type: string
  workflow_dispatch:
    inputs:
      repository:
        description: 'mpi4py repository'
        default: mpi4py/mpi4py
        required: true
        type: string
      ref:
        description: 'mpi4py ref'
        default: ''
        required: false
        type: string
      os-arch:
        description: "Target OS-Architecture"
        default: Linux-x86_64
        required: true
        type: choice
        options:
          - Linux
          - Linux-x86_64
          - Linux-aarch64
          - Linux-ppc64le
          - macOS
          - macOS-x86_64
          - macOS-arm64
          - Windows
          - Windows-AMD64
      python-tag:
        description: "CPython/PyPy tag ({cp,pp}3{7..12})"
        default: ''
        required: false
        type: string
      skip-tag:
        description: "Skip build tags"
        default: ''
        required: false
        type: string

jobs:

  setup:
    runs-on: 'ubuntu-latest'
    outputs:
      matrix-build: ${{ steps.setup.outputs.matrix-build }}
      matrix-merge: ${{ steps.setup.outputs.matrix-merge }}
      os-arch-list: ${{ steps.setup.outputs.os-arch-list }}
    steps:
    - uses: actions/checkout@v4
    - id: setup
      run: |
        # build matrix
        python -u .cibw/setup-build.py \
          --os ${{ inputs.os-arch }} \
          --py ${{ inputs.python-tag }} \
          >> "$GITHUB_OUTPUT"

  build:
    if: ${{ needs.setup.outputs.matrix-build != '[]' }}
    needs: setup
    runs-on: ${{ (matrix.os == 'Linux'   && 'ubuntu-latest') ||
                 (matrix.os == 'macOS'   && 'macos-11'     ) ||
                 (matrix.os == 'Windows' && 'windows-2019' ) }}
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJSON(needs.setup.outputs.matrix-build) }}

    steps:

    - id: checkout
      uses: actions/checkout@v4

    - id: checkout-project
      uses: actions/checkout@v4
      with:
        repository: ${{ inputs.repository || 'mpi4py/mpi4py' }}
        ref: ${{ inputs.ref }}
        path: mpi4py.git

    - id: setup-python
      uses: actions/setup-python@v4
      with:
        python-version: 3

    - id: setup-cython
      run: python -m pip install -r ./conf/requirements-build-cython.txt
      working-directory: mpi4py.git

    - id: setup-project
      run: python ./conf/cythonize.py
      working-directory: mpi4py.git

    - id: source-date-epoch
      run: |
        SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)
        echo SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH >> $GITHUB_ENV
        echo $(git log -1 --pretty=%ci) [timestamp=$SOURCE_DATE_EPOCH]
      shell: bash
      working-directory: mpi4py.git

    - id: setup-qemu
      if: ${{ runner.os == 'Linux' }}
      uses: docker/setup-qemu-action@v3
      with:
        platforms: all

    - id: build
      uses: pypa/cibuildwheel@v2.16.2
      timeout-minutes: 30
      with:
        package-dir: mpi4py.git
        output-dir:  wheelhouse
      env:
        MPI4PY_LOCAL_VERSION: "${{ matrix.mpi-abi }}"
        CIBW_PROJECT_REQUIRES_PYTHON: ">=3.6"
        CIBW_BUILD_FRONTEND: "build"
        CIBW_BUILD: "${{ matrix.py || '*' }}-*"
        CIBW_SKIP:  "${{ inputs.skip-tag }} *musllinux*"
        CIBW_ARCHS: "${{ matrix.arch }}"
        CIBW_BEFORE_ALL: >-
          bash {project}/.cibw/install-mpi.sh
          "${{ matrix.mpi-abi }}" "${{ matrix.arch }}"
        CIBW_BEFORE_BUILD: >-
          bash {project}/.cibw/patch-tools.sh
        CIBW_TEST_COMMAND: >-
          bash {project}/.cibw/run-tests.sh
        CIBW_TEST_SKIP: "*-macosx_arm64"
        CIBW_ENVIRONMENT_PASS_LINUX: >-
          MPI4PY_LOCAL_VERSION
          MPI4PY_DIST_SUFFIX
          SOURCE_DATE_EPOCH
        CIBW_ENVIRONMENT_LINUX: >-
          CFLAGS="-g0 -O"
        CIBW_ENVIRONMENT_MACOS: >-
          CFLAGS="-g0 -O"
          LDFLAGS="-Wl,-headerpad_max_install_names"
          LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/lib"
          LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/homebrew/lib"
          LDFLAGS="$LDFLAGS -Wl,-rpath,/opt/local/lib"
        CIBW_ENVIRONMENT_WINDOWS: >-
          I_MPI_ROOT="$USERPROFILE\\mpi\\Library"
          MSMPI_ROOT="$USERPROFILE\\mpi\\Library"
          MSMPI_BIN="$MSMPI_ROOT\\bin"
          MSMPI_INC="$MSMPI_ROOT\\include"
          MSMPI_LIB64="$MSMPI_ROOT\\lib"
        CIBW_BEFORE_BUILD_WINDOWS:

    - id: check
      run: .cibw/check-wheels.sh wheelhouse
      shell: bash

    - id: upload
      uses: actions/upload-artifact@v3
      with:
        name: build-${{ runner.os }}-${{ matrix.arch }}
        path: wheelhouse/*.whl

  merge:
    if: ${{ needs.setup.outputs.matrix-merge != '[]' }}
    needs: [setup, build]
    runs-on: ${{ (matrix.os == 'Linux'   && 'ubuntu-latest'  ) ||
                 (matrix.os == 'macOS'   && 'macos-latest'   ) ||
                 (matrix.os == 'Windows' && 'windows-latest' ) }}
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJSON(needs.setup.outputs.matrix-merge) }}

    steps:

    - id: checkout
      uses: actions/checkout@v4

    - id: checkout-project
      uses: actions/checkout@v4
      with:
        repository: ${{ inputs.repository || 'mpi4py/mpi4py' }}
        ref: ${{ inputs.ref }}
        path: mpi4py.git

    - id: source-date-epoch
      run: |
        SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)
        echo SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH >> $GITHUB_ENV
        echo $(git log -1 --pretty=%ci) [timestamp=$SOURCE_DATE_EPOCH]
      shell: bash
      working-directory: mpi4py.git

    - id: setup-python
      uses: actions/setup-python@v4
      with:
        python-version: 3

    - id: install
      run: python -m pip install -U wheel

    - id: download
      uses: actions/download-artifact@v3
      with:
        name: build-${{ runner.os }}-${{ matrix.arch }}
        path: wheelhouse

    - id: merge
      run: python .cibw/merge-wheels.py wheelhouse dist

    - id: sha256sum
      run: |
        # sha256sum
        test $(uname) == Darwin && sha256sum() { shasum -a 256 $@; } || true
        echo '```'         >> $GITHUB_STEP_SUMMARY
        sha256sum -b *.whl >> $GITHUB_STEP_SUMMARY
        echo '```'         >> $GITHUB_STEP_SUMMARY
      shell: bash
      working-directory: dist

    - id: upload
      uses: actions/upload-artifact@v3
      with:
        name: wheel-${{ runner.os }}
        path: dist/*.whl

  test-setup:
    needs: [setup, merge]
    runs-on: 'ubuntu-latest'
    outputs:
      matrix-test-cf: ${{ steps.setup.outputs.matrix-test-cf }}
      matrix-test-gh: ${{ steps.setup.outputs.matrix-test-gh }}
    steps:
    - uses: actions/checkout@v4
    - if: ${{ contains(needs.setup.outputs.os-arch-list, '"Linux-x86_64"') }}
      uses: actions/download-artifact@v3
      with:
        name: build-Linux-x86_64
        path: wheelhouse
    - if: ${{ contains(needs.setup.outputs.os-arch-list, '"macOS-x86_64"') }}
      uses: actions/download-artifact@v3
      with:
        name: build-macOS-x86_64
        path: wheelhouse
    - if: ${{ contains(needs.setup.outputs.os-arch-list, '"Windows-AMD64"') }}
      uses: actions/download-artifact@v3
      with:
        name: build-Windows-AMD64
        path: wheelhouse
    - id: setup
      run: python -u .cibw/setup-test.py wheelhouse >> "$GITHUB_OUTPUT"

  test-cf:
    if: ${{ needs.test-setup.outputs.matrix-test-cf != '[]' }}
    needs: test-setup
    runs-on: ${{ (matrix.os == 'Linux'   && 'ubuntu-latest' ) ||
                 (matrix.os == 'macOS'   && 'macos-latest'  ) ||
                 (matrix.os == 'Windows' && 'windows-latest') }}
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJSON(needs.test-setup.outputs.matrix-test-cf) }}

    defaults:
      run:
        shell: bash -el {0}

    steps:

    - name: Configure hostname
      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
      if:   runner.os == 'Linux' || runner.os == 'macOS'

    - uses: actions/checkout@v4

    - uses: actions/download-artifact@v3
      with:
        name: wheel-${{ runner.os }}
        path: dist

    - uses: mamba-org/setup-micromamba@v1
      with:
        init-shell: bash
        post-cleanup: none
        environment-name: test
        create-args: >-
          ${{ matrix.mpi }}=${{ matrix.mpi-version }}
          python=${{ matrix.py }}
          pip
        condarc: |
          show_channel_urls: true
          channel_priority: >-
            ${{ matrix.mpi == 'impi_rt' && 'flexible' || 'strict' }}
          channels:
            - conda-forge
            - ${{ matrix.mpi == 'impi_rt' && 'intel' || 'nodefaults' }}
            - nodefaults

    - run: |
        # Tweak MPI runtime
        case $(uname)-${{ matrix.mpi }} in
        Linux-*)
          ;;
        Darwin-*)
          ;;
        *NT*-impi_rt)
          I_MPI_ROOT=$(cygpath -w "$CONDA_PREFIX/Library")
          echo "I_MPI_ROOT=$I_MPI_ROOT"      >> $GITHUB_ENV
          echo "$I_MPI_ROOT\\bin"            >> $GITHUB_PATH
          echo "$I_MPI_ROOT\\bin\\libfabric" >> $GITHUB_PATH
          ;;
        *NT*-msmpi)
          MSMPI_ROOT=$(cygpath -w "$CONDA_PREFIX/Library")
          echo "MSMPI_BIN=$MSMPI_ROOT\\bin"     >> $GITHUB_ENV
          echo "MSMPI_INC=$MSMPI_ROOT\\include" >> $GITHUB_ENV
          echo "MSMPI_LIB64=$MSMPI_ROOT\\lib"   >> $GITHUB_ENV
          echo "$MSMPI_BIN"                     >> $GITHUB_PATH
          ;;
        esac

    - run: python -m pip install mpi4py --no-index --find-links=dist

    - uses: ./.github/actions/mpi4py-test-basic
      timeout-minutes: 2
      with:
        shell: bash -el {0}

    - if: ${{ matrix.mpi == 'mpich' || matrix.mpi == 'openmpi' }}
      uses: ./.github/actions/mpi4py-test-basic
      timeout-minutes: 2
      env:
        MPI4PY_MPIABI: mpi31-${{ matrix.mpi }}
      with:
        shell: bash -el {0}

  test-gh:
    if: ${{ needs.test-setup.outputs.matrix-test-gh != '[]' }}
    needs: test-setup
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJSON(needs.test-setup.outputs.matrix-test-gh) }}

    steps:

    - name: Configure hostname
      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
      if:   runner.os == 'Linux' || runner.os == 'macOS'

    - uses: actions/checkout@v4

    - uses: actions/download-artifact@v3
      with:
        name: wheel-${{ runner.os }}
        path: dist

    - uses:  actions/setup-python@v4
      with:
        python-version: ${{ matrix.py }}

    - if: ${{ matrix.mpi == 'impi' }}
      id: venv
      shell: bash
      run: |
        venvdir=/tmp/venv
        python -m venv $venvdir
        if [[ $(uname) =~ NT ]]; then
          python=$venvdir/Scripts/python.exe
          mpiexec=$venvdir/Library/bin/mpiexec.exe
        else
          python=$venvdir/bin/python
          mpiexec=$venvdir/bin/mpiexec
        fi
        echo "python=$python"   >> "$GITHUB_OUTPUT"
        echo "mpiexec=$mpiexec" >> "$GITHUB_OUTPUT"
        $python -m pip install --upgrade pip
        $python -m pip install impi_rt
        $python -m pip install mpi4py --no-index --find-links=dist

    - if: ${{ matrix.mpi == 'impi' }}
      uses: ./.github/actions/mpi4py-test-basic
      timeout-minutes: 2
      with:
        python: ${{ steps.venv.outputs.python }}
        mpiexec: ${{steps.venv.outputs.mpiexec }}

    - uses: mpi4py/setup-mpi@v1
      with:
        mpi: ${{ matrix.mpi }}

    - if: ${{ matrix.mpi == 'mpich' && runner.os == 'Linux' }}
      run: sudo ln -sr /usr/lib/$(arch)-linux-gnu/libmpi{ch,}.so.12

    - run: python -m pip install --upgrade pip

    - run: python -m pip install mpi4py --no-index --find-links=dist

    - uses: ./.github/actions/mpi4py-test-basic
      timeout-minutes: 2

    - if: ${{ matrix.mpi == 'mpich' || matrix.mpi == 'openmpi' }}
      uses: ./.github/actions/mpi4py-test-basic
      timeout-minutes: 2
      env:
        MPI4PY_MPIABI: mpi31-${{ matrix.mpi }}