build-and-deploy.yml

name: Build and upload

on:
  pull_request:
  push:
    tags:
      - "*"
    branches:
      - "master"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]

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

      - name: Setup MSVC Developer Command Prompt
        if: matrix.os == 'windows-latest'
        uses: TheMrMilchmann/setup-msvc-dev@v3.0.1
        with:
          arch: x64
          toolset: "14"

      - name: Cache OpenCV build
        if: matrix.os == 'windows-latest'
        id: cache-opencv
        uses: actions/cache@v4
        with:
          path: D:/a/magsac/magsac/opencv
          key: opencv3-4-5-${{ runner.os }}-${{ hashFiles('graph-cut-ransac/scripts/build-opencv.ps1') }}

      - name: Build OpenCV on Windows
        if: matrix.os == 'windows-latest' && steps.cache-opencv.outputs.cache-hit != 'true'
        run: graph-cut-ransac/scripts/build-opencv.ps1
        shell: pwsh

      - name: Cache Eigen3 build
        if: matrix.os == 'windows-latest'
        id: cache-eigen3
        uses: actions/cache@v4
        with:
          path: C:/eigen3
          key: eigen3-${{ runner.os }}-${{ hashFiles('graph-cut-ransac/scripts/build-eigen3.ps1') }}

      - name: Install Eigen3 on Windows
        if: matrix.os == 'windows-latest' && steps.cache-eigen3.outputs.cache-hit != 'true'
        run: graph-cut-ransac/scripts/build-eigen3.ps1
        shell: pwsh

      - name: Cache gflags build
        if: matrix.os == 'windows-latest'
        id: cache-gflags
        uses: actions/cache@v4
        with:
          path: D:/a/magsac/magsac/gflags/build_
          key: opencv-${{ runner.os }}-${{ hashFiles('scripts/build-gflags.ps1') }}

      - name: Build gflags on Windows
        if: matrix.os == 'windows-latest' && steps.cache-gflags.outputs.cache-hit != 'true'
        run: |
          choco install ninja
          scripts/build-gflags.ps1
        shell: pwsh

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.22.0
        env:
          CIBW_ENVIRONMENT_WINDOWS: 'OpenCV_DIR="D:/a/magsac/magsac/opencv/build" Eigen3_DIR="C:/eigen3" gflags_DIR=D:/a/magsac/magsac/gflags/build_'
          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair -w {dest_dir} {wheel} --add-path D:/a/magsac/magsac/opencv/build/bin"

      - uses: actions/upload-artifact@v4
        with:
          name: pymagsac-wheels-${{ runner.os }}
          path: ./wheelhouse/*.whl

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: 'recursive'

      - name: Build
        run: |
          rm -rf build  # remove conflicting directory
          pipx run build --sdist

      - name: Validate
        run: |
          pip install twine
          twine check dist/*

      - uses: actions/upload-artifact@v4
        with:
          name: pygcransac-sdist
          path: dist/*.tar.gz

  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    # upload to PyPI on every tag
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    permissions:
      id-token: write  # this permission is mandatory for trusted publishing
      contents: write  # required for creating releases      
    steps:
      - uses: actions/download-artifact@v4

      - name: Flatten directory structure
        run: |
          mkdir -p dist/
          find . -name '*.whl' -exec mv {} dist/ \;
          find . -name '*.tar.gz' -exec mv {} dist/ \;

      - name: Upload to Public PyPi
        uses: pypa/gh-action-pypi-publish@release/v1

      - name: Release
        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: true
          files: |
            ./**/*.whl