libcsp/.github/workflows/build-test-python-cmake.yml at develop · LewentalDigital/libcsp · GitHub

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name: CMake Python Bindings
on:
  pull_request:
  push:
    branches:
      - develop
      - 'libcsp-*'
permissions:
  contents: read
concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true
jobs:
  build-test-python-cmake:
    strategy:
      fail-fast: false
      matrix:
        python-version:
          - '3.10'
          - '3.11'
          - '3.12'
          - '3.13'
          - '3.14'
        os:
          - ubuntu-26.04
          - ubuntu-24.04
    runs-on: ${{ matrix.os }}
    steps:
      - name: Setup Python ${{ matrix.python-version }}
        uses: actions/setup-python@v7
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install Ninja
        run: |
          sudo apt-get update
          sudo apt-get install ninja-build

      - name: Checkout
        uses: actions/checkout@v7

      - name: Build Python binding
        run: |
          cmake -GNinja -B builddir -DCSP_ENABLE_PYTHON3_BINDINGS=ON -DCSP_USE_RTABLE=ON
          cmake --build builddir --target libcsp_py3

      - name: Test relative Python binding destination
        run: |
          python3 -m venv "${RUNNER_TEMP}/libcsp-relative-venv"
          source "${RUNNER_TEMP}/libcsp-relative-venv/bin/activate"
          python_install_dir=$(python -c 'import os, sys, sysconfig; print(os.path.relpath(sysconfig.get_path("platlib"), sys.prefix))')
          cmake -B builddir \
            -DCMAKE_INSTALL_PREFIX="${RUNNER_TEMP}/libcsp-configured-prefix" \
            -DCSP_PYTHON3_INSTALL_DIR="${python_install_dir}" \
            '-DCMAKE_INSTALL_RPATH=$ORIGIN/../..'
          cmake --build builddir --target libcsp_py3
          cmake --install builddir --prefix "${VIRTUAL_ENV}" --component runtime
          python -c 'import libcsp_py3 as csp; csp.init("github", "cmake", "smoke"); assert csp.get_revision() == "smoke"'

      - name: Test Python-discovered binding destination
        run: |
          python3 -m venv "${RUNNER_TEMP}/libcsp-absolute-venv"
          source "${RUNNER_TEMP}/libcsp-absolute-venv/bin/activate"
          python_install_dir=$(python -c 'import sysconfig; print(sysconfig.get_path("platlib"))')
          cmake -B builddir \
            -DCMAKE_INSTALL_PREFIX="${VIRTUAL_ENV}" \
            -DCSP_PYTHON3_INSTALL_DIR="${python_install_dir}" \
            '-DCMAKE_INSTALL_RPATH=$ORIGIN/../..'
          cmake --build builddir --target libcsp_py3
          cmake --install builddir --component runtime
          python -c 'import libcsp_py3 as csp; csp.init("github", "cmake", "smoke"); assert csp.get_revision() == "smoke"'