name: linux-x64-cpu-clang-python
on:
  push:
    branches: [master]
    paths-ignore: ['**.md']
  pull_request:
    branches: [master]
    paths-ignore: ['**.md']
jobs:
  linux-clang-python:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]

    steps:
    - name: cancel-previous-runs
      uses: styfle/cancel-workflow-action@0.7.0
      with:
        access_token: ${{ secrets.GITHUB_TOKEN }}
    - uses: actions/checkout@v2
      with:
        submodules: true
    - name: update
      run: sudo apt-get update
    - name: protobuf
      run: sudo apt-get install libprotobuf-dev protobuf-compiler libopencv-dev
    - name: set up python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install pytest setuptools wheel twine
    - name: configure
      env:
        CC: clang
        CXX: clang++
      run: mkdir build && cd build && cmake -DNCNN_PYTHON=ON ..
    - name: build
      run: cmake --build build -j 2
    - name: install python
      run: cd python && pip install .
    - name: test
      run: cd python && pytest tests
    - name: build and publish
      if: startsWith(github.ref, 'refs/tags')
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
        TWINE_REPOSITORY_URL: "https://test.pypi.org/legacy/"
      run: |
        cd python
        python setup.py bdist_wheel
        twine upload dist/*