python-api-test.yml

name: Build and Test PUMI Python Interface

on:
  push:
    branches: [develop]
  pull_request:
    branches: [develop]

jobs:
  build-and-test:
    runs-on: ubuntu-latest

    env:
      PYTHONPATH: ${{ github.workspace }}/build/python_wrappers
      LD_LIBRARY_PATH: ${{ github.workspace }}/libs/install/lib:${LD_LIBRARY_PATH}
      CCACHE_DIR: ${{github.workspace}}/.ccache
      CCACHE_BASEDIR: ${{github.workspace}}
      CCACHE_COMPRESS: true
      CCACHE_MAXSIZE: 100M
      CMAKE_C_COMPILER_LAUNCHER: ccache
      CMAKE_CXX_COMPILER_LAUNCHER: ccache

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: setup cache timestamp
        id: setup-cache
        run: |
          echo timestamp=$(date -u '+%Y-%m-%dT%T') >> "$GITHUB_OUTPUT"

      - name: Cache pip
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: "pyapi-pip-${{steps.setup-cache.outputs.timestamp}}"
          restore-keys: pyapi-pip-

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y mpich libbz2-dev ccache
          mkdir -p /opt/ccache/libexec
          ln -s $(which ccache) /opt/ccache/libexec/gcc
          ln -s $(which ccache) /opt/ccache/libexec/g++
          ln -s $(which ccache) /opt/ccache/libexec/cc
          ln -s $(which ccache) /opt/ccache/libexec/c++
          pip3 install mpi4py

      - name: ccache
        uses: actions/cache@v4
        with:
          path: ${{github.workspace}}/.ccache
          key: "pyapi-ccache-${{steps.setup-cache.outputs.timestamp}}"
          restore-keys: "pyapi-ccache-"

      - name: Clear ccache statistics
        run: |
          ccache -p # Print ccache config
          ccache -z

      - name: Build SWIG
        run: |
          git clone https://github.com/swig/swig.git
          cd swig
          export PATH=/opt/ccache/libexec:$PATH
          ./autogen.sh
          ./configure --prefix=${{ github.workspace }}/libs/install
          make
          make install
      
      - name: Build GKlib
        run: |
          git clone https://github.com/KarypisLab/GKlib.git
          cd GKlib
          installDir=${{ github.workspace }}/libs/install
          make config prefix=$installDir shared=1
          make install
          ln -s $installDir/lib/libGKlib.so.0 $installDir/lib/libGKlib.so #https://github.com/KarypisLab/GKlib/issues/49
      
      - name: Build METIS
        run: |
          git clone https://github.com/KarypisLab/METIS.git
          cd METIS
          make config prefix=${{ github.workspace }}/libs/install shared=1
          make install
      
      - name: Build ParMETIS
        run: |
          git clone https://github.com/KarypisLab/ParMETIS.git
          cd ParMETIS
          make config prefix=${{ github.workspace }}/libs/install shared=1
          make install

      - name: Build Zoltan from Trilinos (minimal)
        run: |
          git clone --depth 1 https://github.com/trilinos/Trilinos.git
          cmake -S Trilinos -B build-zoltan \
            -GNinja \
            -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/libs/install \
            -DTPL_ENABLE_MPI:BOOL=ON \
            -DCMAKE_C_FLAGS="-O3 -fPIC" \
            -DCMAKE_CXX_FLAGS="-O3 -fPIC" \
            -DTrilinos_ENABLE_ALL_PACKAGES:BOOL=OFF \
            -DTrilinos_ENABLE_Zoltan:BOOL=ON \
            -DZoltan_ENABLE_EXAMPLES:BOOL=OFF \
            -DZoltan_ENABLE_TESTS:BOOL=OFF \
            -DZoltan_ENABLE_ParMETIS:BOOL=ON \
            -DParMETIS_INCLUDE_DIRS=${{ github.workspace }}/libs/install \
            -DParMETIS_LIBRARY_DIRS=${{ github.workspace }}/libs/install
          cmake --build build-zoltan -t install

      - name: Configure PUMI
        run: |
          cmake -S . -B build \
            -GNinja \
            -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/build/install \
            -DCMAKE_C_COMPILER=mpicc \
            -DCMAKE_CXX_COMPILER=mpicxx \
            -DSCOREC_CXX_OPTIMIZE=ON \
            -DMDS_ID_TYPE=int \
            -DPCU_COMPRESS=ON \
            -DENABLE_ZOLTAN=ON \
            -DZOLTAN_PREFIX=${{ github.workspace }}/libs/install \
            -DPUMI_PYTHON_INTERFACE=ON \
            -DBUILD_SHARED_LIBS=ON \
            -DBUILD_EXES=OFF \
            -DIS_TESTING=OFF \
            -DENABLE_OMEGA_H=OFF \
            -DPARMETIS_PREFIX=${{ github.workspace }}/libs/install \
            -DENABLE_SIMMETRIX=OFF

      - name: Build and install PUMI
        run: |
          cmake --build build --target install

      - name: Run Python test
        working-directory: ${{github.workspace}}/python_wrappers
        run: |
          python3 test_pyCore.py -g input/cube.dmg -m input/cube.smb

      - name: Ccache statistics and recompression
        run: |
          ccache -sv
          ccache -X 5