wheel.yml

name: Wheel
on:
  pull_request:
    types: [ opened, synchronize, reopened ]
    paths-ignore:
      - docs/**
      - README.md
      - README_PYPI.md
      - cli/**
      - examples/**
      - images/**
      - .gitignore
      - COPYING
      - build.*
      - pull_datasets.sh
  push:
    branches:
      - main
    paths-ignore:
      - docs/**
      - README.md
      - README_PYPI.md
      - cli/**
      - examples/**
      - images/**
      - .gitignore
      - COPYING
      - build.*
      - pull_datasets.sh
  workflow_dispatch:
  release:
    types:
      - published
jobs:
  generate-linux-wheels-matrix:
    name: Generate Linux wheel matrix
    runs-on: ubuntu-latest
    outputs:
      include: ${{ steps.set-matrix.outputs.include }}
    steps:
      - uses: actions/checkout@v4
      - name: Install cibuildwheel
        run: pipx install cibuildwheel==2.22.0
      - id: set-matrix
        run: |
          MATRIX=$(
            {
              cibuildwheel --print-build-identifiers --platform linux \
              | jq -nRc '{"only": inputs, "os": "ubuntu-latest", "toolset": "gcc"}' 
            } | jq -sc
            )
          echo "include=$MATRIX" >> $GITHUB_OUTPUT

      - name: Check matrix
        run: echo "${{ steps.set-matrix.outputs.include }}"
    env:
      CIBW_ARCHS_LINUX: x86_64
      CIBW_BUILD: "*manylinux*"
      CIBW_TEST_REQUIRES: pytest
      CIBW_BUILD_VERBOSITY: 1
      CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014

  generate-macos-wheels-matrix:
    name: Generate macOS wheel matrix
    runs-on: macos-latest
    outputs:
      include: ${{ steps.set-matrix.outputs.include }}
    steps:
      - uses: actions/checkout@v4
      - name: Install cibuildwheel
        run: pipx install cibuildwheel==2.22.0
      - id: set-matrix
        run: |
          MATRIX=$(
            cibuildwheel --print-build-identifiers --platform macos \
            | jq -sR 'split("\n") | map(select(length > 0)) | map(
              {
                "only": ., 
                "os": (if contains("x86_64") then "macos-13" else "macos-latest" end), 
                "toolset": "apple-clang",
              })' \
            | jq -c
          )
          echo "include=$MATRIX" >> $GITHUB_OUTPUT

      - name: Check matrix
        run: echo "${{ steps.set-matrix.outputs.include }}"
    env:
      CIBW_ARCHS_MACOS: arm64 x86_64
      CIBW_BUILD: "*macos*"
      # https://github.com/pypa/cibuildwheel/issues/2126
      CIBW_SKIP: "cp37-*"
      CIBW_TEST_REQUIRES: pytest
      CIBW_BUILD_VERBOSITY: 1

  merge-matrices:
    name: Merge wheel matrices
    needs: [generate-linux-wheels-matrix, generate-macos-wheels-matrix]
    runs-on: ubuntu-latest
    outputs:
      include: ${{ steps.merge.outputs.include }}
    steps:
        - name: Merge JSON matrices
          id: merge
          run: |
            LINUX_MATRIX='${{ needs.generate-linux-wheels-matrix.outputs.include }}'
            MACOS_MATRIX='${{ needs.generate-macos-wheels-matrix.outputs.include }}'
            
            MERGED_MATRIX=$(jq -c -n --argjson var1 "$LINUX_MATRIX" --argjson var2 "$MACOS_MATRIX" '$var1 + $var2')
            echo "include=$MERGED_MATRIX" >> $GITHUB_OUTPUT
        - name: Check merged matrix
          run: echo "${{ steps.merge.outputs.include }}"

  build-wheels:
    name: Build ${{ matrix.only }}
    needs: [merge-matrices]
    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJson(needs.merge-matrices.outputs.include) }}
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

      - name: Install dependencies
        uses: ./.github/composite-actions/install-dependencies
        with:
          os: ${{ matrix.os }}
          toolset: ${{ matrix.toolset }}
          install-boost: false
          download-googletest: false
          download-pybind: true

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.22.0
        with:
          only: ${{ matrix.only }}
        env:
          MACOSX_DEPLOYMENT_TARGET: 11.0
          CIBW_BEFORE_ALL_LINUX: >
            cd lib/boost &&
            ./bootstrap.sh --with-libraries=container,thread,graph &&
            ./b2 install -j4 --prefix=/usr &&
            export BOOST_ROOT=/usr &&
            export CXX=g++-10 
          CIBW_BEFORE_ALL_MACOS: >
            cd lib/boost &&
            ./bootstrap.sh --with-libraries=container,thread,graph &&
            sudo ./b2 install -j3 --prefix=/usr/local cxxflags="-mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET} -std=c++20" linkflags="-mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" &&
            export BOOST_ROOT=/usr/local &&
            export CXX=clang++ &&
            export DYLD_LIBRARY_PATH=/usr/local/lib:${DYLD_LIBRARY_PATH} 
          CIBW_TEST_COMMAND: >
            cp {project}/test_input_data/WDC_satellites.csv {project}/src/python_bindings &&
            cp {project}/test_input_data/transactional_data/rules-kaggle-rows.csv {project}/src/python_bindings &&
            cp {project}/test_input_data/TestLong.csv {project}/src/python_bindings &&
            cp {project}/test_input_data/TestWide.csv {project}/src/python_bindings &&
            cd {project}/src/python_bindings &&
            python3 {project}/src/python_bindings/test_bindings.py
          CIBW_REPAIR_WHEEL_COMMAND_MACOS: >
            DYLD_LIBRARY_PATH=/usr/local/lib:${DYLD_LIBRARY_PATH} delocate-wheel --require-archs {delocate_archs} -w {dest_dir} -v {wheel}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: artifact-${{ matrix.only }}
          if-no-files-found: ignore
          path: ./wheelhouse/*.whl

  merge-artifacts:
    name: Merge artifacts
    runs-on: ubuntu-latest
    needs: build-wheels
    steps:
      - uses: actions/checkout@v4
      - name: Download all artifacts from previous step
        uses: actions/download-artifact@v4
        with:
          path: wheel-artifacts

      - name: Delete old artifacts
        uses: geekyeggo/delete-artifact@v5
        with:
          name: artifact-*
          failOnError: false

      - run: mkdir -p wheelhouse
      - name: Flattening nested directories
        run: find wheel-artifacts -mindepth 2 -type f -exec mv -i '{}' wheelhouse ';'

      - name: Upload a single artifact
        uses: actions/upload-artifact@v4
        with:
          name: wheels
          path: wheelhouse/*.whl

  publish-wheels:
    needs: merge-artifacts
    name: Publish wheels
    # Related:
    # https://learn.scientific-python.org/development/guides/gha-wheels/
    # https://docs.pypi.org/trusted-publishers/creating-a-project-through-oidc/
    environment: pypi
    permissions:
      id-token: write
    runs-on: ubuntu-latest
    if: github.event_name == 'release' && github.event.action == 'published'
    steps:
      - uses: actions/checkout@v4
      - name: Download wheels
        uses: actions/download-artifact@v4
        with:
          name: wheels
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1