MiV-Simulator/.github/workflows/main.yml at main · GazzolaLab/MiV-Simulator · GitHub

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name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

jobs:
  build:
    strategy:
      matrix:
        os: [ ubuntu-latest, macos-latest ]
        python-version: [ "3.12" ]
        mpi: [ "mpich", "openmpi" ]
        exclude:
          - os: macos-latest
            mpi: "mpich" # Brew hdf5-mpi only supports openmpi
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

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

      - name: Install parallel HDF5 (Ubuntu, MPICH)
        if: runner.os == 'Linux' && matrix.mpi == 'mpich'
        run: |
          sudo apt-get update
          sudo apt-get install -y libhdf5-mpich-dev pkg-config python3-dev

      - name: Install parallel HDF5 (Ubuntu, OpenMPI)
        if: runner.os == 'Linux' && matrix.mpi == 'openmpi'
        run: |
          sudo apt-get update
          sudo apt-get install -y libhdf5-openmpi-dev pkg-config python3-dev

      - name: Install parallel HDF5 (macOS)
        if: runner.os == 'macOS'
        run: |
          brew install hdf5-mpi

      - name: Install uv
        uses: astral-sh/setup-uv@v4
        with:
          version: "latest"

      - name: Set up Python ${{ matrix.python-version }}
        run: uv python install ${{ matrix.python-version }}

      - name: Configure MPI environment
        run: |
          eval $(python configure_mpi.py)
          # Persist env vars for subsequent steps
          echo "MPICC=${MPICC}" >> "$GITHUB_ENV"
          echo "CC=${CC}" >> "$GITHUB_ENV"
          echo "HDF5_MPI=${HDF5_MPI}" >> "$GITHUB_ENV"
          if [ -n "$MPICXX" ]; then
            echo "MPICXX=${MPICXX}" >> "$GITHUB_ENV"
          fi
          if [ -n "$CXX" ]; then
            echo "CXX=${CXX}" >> "$GITHUB_ENV"
          fi
          if [ -n "$HDF5_PKGCONFIG_NAME" ]; then
            echo "HDF5_PKGCONFIG_NAME=${HDF5_PKGCONFIG_NAME}" >> "$GITHUB_ENV"
          fi
          if [ -n "$HDF5_DIR" ]; then
            echo "HDF5_DIR=${HDF5_DIR}" >> "$GITHUB_ENV"
          fi
          if [ -n "$HDF5_INCLUDEDIR" ]; then
            echo "HDF5_INCLUDEDIR=${HDF5_INCLUDEDIR}" >> "$GITHUB_ENV"
          fi
          if [ -n "$HDF5_LIBDIR" ]; then
            echo "HDF5_LIBDIR=${HDF5_LIBDIR}" >> "$GITHUB_ENV"
          fi

      - name: Install miv-simulator
        run: uv sync

      - name: Verify MPI environment
        run: |
          uv run python -c "
          import miv_simulator
          print(f'miv_simulator {miv_simulator.version}')

          import h5py
          mpi = getattr(h5py.get_config(), 'mpi', False)
          print(f'h5py MPI support: {mpi}')
          assert mpi, 'h5py was built without MPI support'

          import mpi4py
          print(f'mpi4py {mpi4py.__version__}')
          "

      - name: Run tests
        run: uv run pytest tests/ -x -q

      - name: Test standalone installation
        run: |
          cd tests/installation
          rm -rf .venv uv.lock
          uv sync
          uv run python -c "
          import miv_simulator
          print(f'Standalone install OK: miv_simulator {miv_simulator.version}')
          import h5py
          assert getattr(h5py.get_config(), 'mpi', False), 'h5py missing MPI'
          "