ci.yml

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build-opencv:
    name: Build OpenCV

    strategy:
      matrix:
        os: [ubuntu, macos, windows]

    defaults:
      run:
        shell: bash

    env:
      MATRIX_OS: ${{ matrix.os }}

    runs-on: ${{ matrix.os }}-latest

    steps:
      - name: Get latest release
        id: latest-release
        run: |
          curl -s https://api.github.com/repos/opencv/opencv/releases/latest \
            -H "Accept: application/vnd.github.v3+json" \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            | jq -r '.tag_name' | tee latest-release.txt
          echo "tag=$(cat latest-release.txt)" >> $GITHUB_OUTPUT

      - uses: actions/checkout@v3
        with:
          repository: opencv/opencv
          ref: ${{ steps.latest-release.outputs.tag }}

      - uses: Chocobo1/setup-ccache-action@v1
        with:
          windows_compile_environment: msvc

      - uses: ilammy/msvc-dev-cmd@v1
        id: msvc-env
        if: matrix.os == 'windows'

      - name: Setup MSVC environment
        if: steps.msvc-env.conclusion == 'success'
        run: |
          echo "CMAKE_GENERATOR=Ninja" >> $GITHUB_ENV
          echo "CC=cl" >> $GITHUB_ENV
          echo "CXX=cl" >> $GITHUB_ENV

      - name: CMake build
        run: |
          mkdir build
          cd build

          cmake .. \
            -D CMAKE_INSTALL_PREFIX=../opencv \
            -D CMAKE_BUILD_TYPE=Release \
            -D BUILD_LIST=core,imgproc,features2d \
            -D BUILD_SHARED_LIBS=OFF \
            -D ENABLE_CCACHE=ON \
            -D WITH_ADE=OFF \
            -D WITH_PROTOBUF=OFF \
            -D WITH_QUIRC=OFF \
            -D WITH_ITT=OFF \
            -D WITH_OPENEXR=OFF 

          cmake --build . --target install --parallel 4

      - uses: actions/upload-artifact@v3
        with:
          name: opencv-${{ matrix.os }}
          path: ./opencv

  build:
    name: Build Wheel
    needs: [build-opencv]

    strategy:
      matrix:
        os: [ubuntu, macos, windows]
        python: ["3.8", "3.9", "3.10", "3.11"]

    defaults:
      run:
        shell: bash

    env:
      MATRIX_OS: ${{ matrix.os }}

    runs-on: ${{ matrix.os }}-latest

    steps:
      - uses: actions/checkout@v3

      - uses: actions/download-artifact@v3
        with:
          name: opencv-${{ matrix.os }}
          path: ./opencv

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - uses: ilammy/msvc-dev-cmd@v1
        id: msvc-env
        if: matrix.os == 'windows'

      - name: Setup MSVC environment
        if: steps.msvc-env.conclusion == 'success'
        run: |
          CV_DIR=$(find ./opencv/x64 | grep -i '\.cmake$' | head -n 1)
          echo "OpenCV_DIR=$(realpath $(dirname $CV_DIR))" >> $GITHUB_ENV
          echo "OpenCV_STATIC=ON" >> $GITHUB_ENV

      - name: Setup Unix environment
        if: steps.msvc-env.conclusion == 'skipped'
        run: |
          echo "OpenCV_DIR=$(pwd)/opencv/lib/cmake/opencv4" >> $GITHUB_ENV
          echo "OpenCV_STATIC=ON" >> $GITHUB_ENV

      - name: Build wheel
        env:
          VERBOSE: 1
        run: |
          pip install poetry
          poetry build --format wheel

      - uses: actions/upload-artifact@v3
        with:
          name: wheel-${{matrix.os}}-${{matrix.python}}
          path: ./dist/*.whl

      - name: Test wheel import
        env:
          SYSTEM_VERSION_COMPAT: 0
        run: |
          pip install dist/*.whl
          python -vc "from orb_slam3 import ORBExtractor"

  test:
    name: Test Wheel
    needs: [build]

    strategy:
      matrix:
        os: [ubuntu, macos, windows]
        python: ["3.8", "3.9", "3.10", "3.11"]

    defaults:
      run:
        shell: bash

    runs-on: ${{ matrix.os }}-latest

    steps:
      - uses: actions/checkout@v3

      - name: Download wheel
        uses: actions/download-artifact@v3
        with:
          name: wheel-${{matrix.os}}-${{matrix.python}}
          path: ./dist

      - name: Install Poetry
        run: |
          pipx install poetry

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}
          cache: poetry

      - name: Install dependencies
        run: |
          poetry install --no-root --only=test
          poetry run pip install dist/*.whl

      - name: Run tests
        run: |
          poetry run pytest

  cleanup:
    name: Cleanup artifacts
    runs-on: ubuntu-latest
    needs: [build, test]

    steps:
      - uses: geekyeggo/delete-artifact@v2
        with:
          name: opencv-*

      - uses: actions/download-artifact@v3

      - name: Merge wheels
        run: |
          mkdir dist
          cp -v wheel-*/*.whl dist/

      - uses: actions/upload-artifact@v3
        with:
          name: wheel-all
          path: ./dist/*.whl