cibuildwheel.yml

# adapted from:
# - https://github.com/matplotlib/matplotlib/blob/master/.github/workflows/cibuildwheel.yml
# - https://github.com/scikit-image/scikit-image/blob/master/.github/workflows/cibuildwheel.yml
# - https://github.com/pypa/cibuildwheel/blob/main/examples/github-deploy.yml
# - https://github.com/stardist/stardist/blob/master/.github/workflows/cibuildwheel.yml

name: tests

on:
  push:
    branches:
      - main
      - wheels
  release:
    types:
      - published
  pull_request:
      branches: [ "main" ]

jobs:
  test:
    name: Test on ${{ matrix.os }} with Python ${{ matrix.py }}
    runs-on: ${{ matrix.os }}
    if: github.event_name == 'push' && contains(github.ref, 'main')
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-20.04]
        py: [cp311, cp312]
    steps:
      - uses: actions/checkout@v4
        name: Checkout repository

      - uses: actions/setup-python@v4
        name: Install Python
        with:
          python-version: '3.x'

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel
      - name: Build wheels for CPython (Linux)
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          # only build for specific platforms 
          CIBW_BUILD: "${{ matrix.py }}-*{x86_64,win_amd64}"
          CIBW_SKIP: "*musllinux*"

          CIBW_BUILD_VERBOSITY: 1
          CIBW_TEST_REQUIRES: pytest pytest-cov
          CIBW_TEST_COMMAND: pytest -v --cov=spotiflow {project}

  build_wheels:
    name: Build ${{ matrix.py }} wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    if: (github.event_name == 'release' && github.event.action == 'published') || (github.event_name == 'push' && contains(github.ref, 'wheels')) || github.event_name == 'pull_request'
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-20.04, windows-2019, macos-13]
        py: [cp39, cp310, cp311, cp312]

    steps:
      - uses: actions/checkout@v4
        name: Checkout repository

      - uses: actions/setup-python@v4
        name: Install Python
        with:
          python-version: '3.x'

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel

        # https://scikit-learn.org/stable/developers/advanced_installation.html#macos
      - name: Setup OpenMP (macOS)
        if: startsWith(matrix.os, 'macos')
        shell: bash
        run: |
          brew config
          brew install libomp
          eval `brew shellenv`
          tee -a $GITHUB_ENV << END
          CC=/usr/bin/clang
          CXX=/usr/bin/clang++
          CFLAGS=${CFLAGS} -I${HOMEBREW_PREFIX}/opt/libomp/include
          CXXFLAGS=${CXXFLAGS} -I${HOMEBREW_PREFIX}/opt/libomp/include
          LDFLAGS=${LDFLAGS} -Wl,-rpath,${HOMEBREW_PREFIX}/opt/libomp/lib -L${HOMEBREW_PREFIX}/opt/libomp/lib -lomp
          END

      - name: Build wheels for CPython (macOS)
        if: startsWith(matrix.os, 'macos')
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          CIBW_BUILD: "${{ matrix.py }}-*"
          CIBW_ARCHS_MACOS: arm64
          CIBW_BUILD_VERBOSITY: 1
          CIBW_TEST_REQUIRES: pytest pytest-cov
          CIBW_TEST_COMMAND: pytest -v --cov=spotiflow {project}

      - name: Build wheels for CPython (Linux and Windows)
        if: startsWith(matrix.os, 'macos') == false
        run: |
          python -m cibuildwheel --output-dir dist
        env:
          # only build for specific platforms 
          CIBW_BUILD: "${{ matrix.py }}-*{x86_64,win_amd64}"
          CIBW_SKIP: "*musllinux*"

          CIBW_BUILD_VERBOSITY: 1
          CIBW_TEST_REQUIRES: pytest pytest-cov
          CIBW_TEST_COMMAND: pytest -v --cov=spotiflow {project}


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

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    if: (github.event_name == 'release' && github.event.action == 'published') || (github.event_name == 'push' && contains(github.ref, 'wheels'))
    steps:
      - uses: actions/checkout@v4
        name: Checkout repository

      - name: Build sdist
        run: pipx run build --sdist

      - uses: actions/upload-artifact@v3
        name: Upload sdist
        with:
          name: dist
          path: dist/*.tar.gz


  upload_pypi:
    name: Upload to PyPI
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    if: (github.event_name == 'release' && github.event.action == 'published') || (github.event_name == 'push' && contains(github.ref, 'wheels'))
    steps:
      - uses: actions/download-artifact@v3
        name: Download wheels and sdist
        with:
          name: dist
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1
        name: Publish to PyPI
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
          verbose: true