pythonapp.yml

# This workflow will install Python dependencies, run tests and lint with a single version of Python
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Build

on:
  push:
    branches:
      - main

  pull_request:
    branches:
      - main

  schedule:
    - cron: "15 21 * * FRI"

permissions: read-all

jobs:
  build:

    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-24.04, macos-14, windows-2022]
        python-version: ['3.9', '3.10', '3.11']
    env:
      TVM_VERSION_TAG: v0.17.0
      PYTORCH_VERSION: 2.2.0
      LLVM_VERSION: 18

    steps:
    - uses: actions/checkout@v4
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
    - name: Lint with flake8
      run: |
        python -m pip install --upgrade pip
        python -m pip install flake8
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # The GitHub editor is 127 chars wide
        flake8 . --count  --max-complexity=10 --max-line-length=127 --statistics
    # PyTorch CPU for Linux has different pip syntax wrt Win and Mac.
    - name: Install torch-${{ env.PYTORCH_VERSION }}+cpu if linux
      if: ${{ startsWith(matrix.os, 'ubuntu') }}
      run: python -m pip install torch==${{ env.PYTORCH_VERSION }} --extra-index-url https://download.pytorch.org/whl/cpu
    - name: Install torch-${{ env.PYTORCH_VERSION }}+cpu if not linux
      if:  ${{ !startsWith(matrix.os, 'ubuntu') }}
      run: python -m pip install torch==${{ env.PYTORCH_VERSION }}
    - name: Install basic dependencies
      run: |
        python -m pip install -e .[tests] -f https://download.pytorch.org/whl/torch_stable.html
    - name: Test with older SKLearn on Linux with py3.9 to check backward compatibility
      if: ${{ matrix.python-version == '3.9' && startsWith(matrix.os, 'ubuntu') == true }}
      run: python -m pip install scikit-learn==1.2.1 numpy==1.26.4
    - name: Pin SKLearn<1.5.0 on not Linux with py3.9
      if: ${{ !(matrix.python-version == '3.9' && startsWith(matrix.os, 'ubuntu') == true) }}
      run: python -m pip install "scikit-learn<1.5.0" numpy==1.26.4
    - name: Run basic tests without extra
      run: pytest
    - name: Coverage on basic tests without extra
      run: coverage run -a -m pytest tests/test_no_extra_install.py
    - name: If mac, install libomp to facilitate lgbm install
      if: ${{ startsWith(matrix.os, 'macos')}}
      run: |
        wget https://raw.githubusercontent.com/Homebrew/homebrew-core/fb8323f2b170bd4ae97e1bac9bf3e2983af3fdb0/Formula/libomp.rb
        brew install ./libomp.rb
        export CC=/usr/bin/clang
        export CXX=/usr/bin/clang++
        export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
        export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
        export CXXFLAGS="$CXXFLAGS -I/usr/local/opt/libomp/include"
        export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
    - name: Install extra dependencies
      run: |
        python -m pip install .[extra,onnx,sparkml]
        python -m pip install pandas
    - uses: actions/cache@v3
      # TVM takes forever, we try to cache it.
      if: ${{ startsWith(matrix.os, 'ubuntu') || startsWith(matrix.os, 'macos')}}
      id: cache
      env:
        CACHE_NUMBER: 13
      with:
        path: ~/work/hummingbird/tvm
        key: ${{ matrix.os }}-python${{ matrix.python-version }}-tvm-${{ env.TVM_VERSION_TAG }}-${{ env.CACHE_NUMBER }}
    # Getting TVM requires: 1) Install LLVM 2) fetching TVM from github, 3) cmake, 4) make, 5) install python dependency.
    # 2 to 4 will be retrieved from the cache.
    # The pipeline only works for Unix systems. For windows we will have to compile LLVM from source which is a no go.
    - name: Install LLVM if Ubuntu
      if: ${{ startsWith(matrix.os, 'ubuntu')}}
      run: |
        sudo apt install llvm-${{ env.LLVM_VERSION }}-dev libpolly-${{ env.LLVM_VERSION }}-dev
    - name: Install LLVM if Mac
      if: ${{ startsWith(matrix.os, 'macos')}}
      run: |
        brew install llvm@${{ env.LLVM_VERSION }}
    - name: Fetch and prepare TVM for compilation if Ubuntu or Mac
      if: ${{ steps.cache.outputs.cache-hit != 'true' && (startsWith(matrix.os, 'ubuntu') || startsWith(matrix.os, 'macos')) }}
      run: |
        cd ~/work/hummingbird
        git clone https://github.com/apache/tvm.git
        cd tvm
        git checkout tags/${{env.TVM_VERSION_TAG}}
        git submodule update --recursive --init
        cmake -E make_directory build
    - name: CMake TVM if Ubuntu
      if: ${{ steps.cache.outputs.cache-hit != 'true' && startsWith(matrix.os, 'ubuntu') }}
      run: |
        cd ~/work/hummingbird/tvm
        cmake -S . -B build \
          -DUSE_RPC=ON \
          -DUSE_GRAPH_RUNTIME=ON \
          -DUSE_LLVM="llvm-config-${{ env.LLVM_VERSION }} --link-static" \
          -DHIDE_PRIVATE_SYMBOLS=ON
    - name: CMake TVM if Mac
      if: ${{ steps.cache.outputs.cache-hit != 'true' && startsWith(matrix.os, 'macos') }}
      run: |
        cd ~/work/hummingbird/tvm
        cmake -S . -B build \
          -DUSE_RPC=ON \
          -DUSE_GRAPH_RUNTIME=ON \
          -DUSE_LLVM="$(brew --prefix llvm@${{ env.LLVM_VERSION }})/bin/llvm-config --link-static" \
          -DHIDE_PRIVATE_SYMBOLS=ON
    - name: Build TVM if Ubuntu or Mac
      if: ${{ steps.cache.outputs.cache-hit != 'true' && (startsWith(matrix.os, 'ubuntu') || startsWith(matrix.os, 'macos')) }}
      run: |
        cd ~/work/hummingbird/tvm
        cmake --build build
    - name: Install python TVM if Ubuntu or Mac
      if: ${{  (startsWith(matrix.os, 'macos') || startsWith(matrix.os, 'ubuntu')) }}
      run: |
        cd ~/work/hummingbird/tvm/python
        python3 -m pip install -e .

    # We don't run pytest for ubuntu py3.9 since we do coverage for that case.
    - name: Test with pytest
      if: ${{ matrix.python-version != '3.9' || startsWith(matrix.os, 'ubuntu') != true }}
      run: pytest
    # Run and push coverage only for ubuntu py3.9
    - name: Coverage 3.9 ubuntu
      if: ${{ matrix.python-version == '3.9' && startsWith(matrix.os, 'ubuntu') }}
      run: |
        coverage run -a -m pytest tests
        coverage xml
    - name: Upload coverage to Codecov
      if: ${{ matrix.python-version == '3.9' && startsWith(matrix.os, 'ubuntu') }}
      uses: codecov/codecov-action@v4
      with:
        file: ./coverage.xml
        flags: unittests

  page-build:
    needs: build
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-22.04]
        python-version: ['3.9']
    permissions: # here we push documentation
      actions: read
      contents: write
    if: github.ref == 'refs/heads/main' # only run this on main after PR merged
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}
    - name: Generate Documentation
      run: |
        # We're mocking out the torch. So now we also need to sub this on out
        find ../. -type f -exec sed -i 's/{torch.__version__}/1.12.0/g' {} +
        find ../. -type f -exec sed -i 's/torch.__version__/"1.12.0"/g' {} +
        make sphinx-site -C website/
        # now refresh the code
        git checkout . && python -m pip install -e .[tests] -f https://download.pytorch.org/whl/torch_stable.html
    - name: Deploy to GitHub pages 🚀
      uses: JamesIves/github-pages-deploy-action@v4.4.1
      with:
        branch: gh-pages
        folder: website/public