python-bindings-linux.yml

name: Build Python Bindings on Linux

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

env:
  BUILD_TYPE: Release

jobs:
  build:
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        python-version: ["3.12"]

    steps:
      - name: Load repository cache
        run: sudo apt-get update --allow-releaseinfo-change

      - name: Install system libraries
        run: sudo apt-get install -y --no-install-recommends libx11-dev libxi-dev libtbb-dev libegl1-mesa-dev libglu1-mesa-dev libopencv-dev libproj-dev

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

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Display Python version
        run: python --version

      - name: Install CMake 4.0
        run: |
          wget -O cmake.sh https://github.com/Kitware/CMake/releases/download/v4.0.0/cmake-4.0.0-linux-x86_64.sh
          sudo sh cmake.sh --skip-license --prefix=/usr/local
          cmake --version

      - name: Configure CMake with Python bindings
        run: |
          cmake -B ${{github.workspace}}/build_pybind \
            -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
            -DPYBIND=ON

      - name: Build Python bindings
        run: cmake --build ${{github.workspace}}/build_pybind --target pybind_all --config ${{env.BUILD_TYPE}}

      - name: Test Python imports
        working-directory: ${{github.workspace}}/build_pybind/bin/${{env.BUILD_TYPE}}
        run: |
          python -c "import sys; sys.path.insert(0, '.'); import core_py; print('core_py imported successfully')"
          python -c "import sys; sys.path.insert(0, '.'); import lidar_odometry_py; print('lidar_odometry_py imported successfully')"
          python -c "import sys; sys.path.insert(0, '.'); import multi_view_tls_registration_py; print('multi_view_tls_registration_py imported successfully')"