mlpack/.github/actions/binding_setup/action.yml

# This action sets up any language-specific environment for any of mlpack's
# bindings.
name: "Set up binding environments"
description: "Install build and runtime dependencies for mlpack's bindings to other languages."
inputs:
  lang:
    required: true
    description: "The language to set up bindings for."

runs:
  using: "composite"
  steps:
    #
    # Python bindings.
    #
    - name: "Set up Python (Linux)"
      if: inputs.lang == 'Python' && runner.os == 'Linux'
      shell: bash
      run: |
          python3 -m pip install --upgrade pip
          python3 -m pip install --upgrade --ignore-installed setuptools cython \
              pandas wheel pytest
          echo "CMAKE_BINDING_ARGS=-DPYTHON_EXECUTABLE=`which python3`" >> $GITHUB_ENV

    - name: "Set up Python (macOS)"
      if: inputs.lang == 'Python' && runner.os == 'macOS'
      shell: bash
      run: |
          /opt/homebrew/bin/python3 -m pip install --break-system-packages setuptools cython pandas zipp configparser wheel pytest
          echo "CMAKE_BINDING_ARGS=-DPYTHON_EXECUTABLE=/opt/homebrew/bin/python3" >> $GITHUB_ENV

    #
    # Julia bindings.
    #
    - name: "Set up Julia on Linux"
      if: inputs.lang == 'Julia' && runner.os == 'Linux'
      shell: bash
      run: |
          wget https://julialang-s3.julialang.org/bin/linux/x64/1.10/julia-1.10.4-linux-x86_64.tar.gz
          sudo tar -C /opt/ -xvpf julia-1.10.4-linux-x86_64.tar.gz
          echo "CMAKE_BINDING_ARGS=-DJULIA_EXECUTABLE=/opt/julia-1.10.4/bin/julia" >> $GITHUB_ENV
          echo "JULIA_EXECUTABLE=/opt/julia-1.10.4/bin/julia" >> $GITHUB_ENV

    - name: "Set up Julia on macOS"
      if: inputs.lang == 'Julia' && runner.os == 'macOS'
      shell: bash
      run: |
          brew install --cask julia
          echo "CMAKE_BINDING_ARGS=-DJULIA_EXECUTABLE=/opt/homebrew/bin/julia" >> $GITHUB_ENV
          echo "JULIA_EXECUTABLE=/opt/homebrew/bin/julia" >> $GITHUB_ENV

    #
    # R bindings.
    #
    - name: Extract mlpack version for R bindings
      if: inputs.lang == 'R'
      shell: bash
      run: |
        MLPACK_VERSION_MAJOR=$(grep -i ".*#define MLPACK_VERSION_MAJOR.*" src/mlpack/core/util/version.hpp | grep -o "[0-9]*")
        MLPACK_VERSION_MINOR=$(grep -i ".*#define MLPACK_VERSION_MINOR.*" src/mlpack/core/util/version.hpp | grep -o "[0-9]*")
        MLPACK_VERSION_PATCH=$(grep -i ".*#define MLPACK_VERSION_PATCH.*" src/mlpack/core/util/version.hpp | grep -o "[0-9]*")
        MLPACK_VERSION_VALUE=${MLPACK_VERSION_MAJOR}.${MLPACK_VERSION_MINOR}.${MLPACK_VERSION_PATCH}
        echo "MLPACK_R_PACKAGE=$(echo mlpack_"$MLPACK_VERSION_VALUE".tar.gz)" >> $GITHUB_ENV

    - name: "Setup pandoc for R"
      if: inputs.lang == 'R'
      uses: r-lib/actions/setup-pandoc@v2

    # Setup r2u (linux)
    - name: Setup r2u
      if: inputs.lang == 'R' && runner.os == 'Linux'
      uses: eddelbuettel/github-actions/r2u-setup@master

    - name: Setup p3m.dev (macOS / Windows)
      uses: r-lib/actions/setup-r@v2
      if: inputs.lang == 'R' && (runner.os == 'Windows' || runner.os == 'macOS')
      with:
        r-version: "release"
        use-public-rspm: true

    - name: "Configure ccache for R"
      if: inputs.lang == 'R'
      shell: bash
      run: |
          ccache --set-config "sloppiness=include_file_ctime"
          ccache --set-config "hash_dir=false"
          ccache --zero-stats

    - name: "Query R dependencies"
      if: inputs.lang == 'R'
      shell: bash
      run: |
          cp src/mlpack/bindings/R/mlpack/DESCRIPTION.in DESCRIPTION
          Rscript -e 'install.packages(c("remotes", "roxygen2", "pkgbuild"))'
          Rscript -e 'remotes::install_deps(".", dependencies=TRUE)'

    - name: Install cereal manually for R
      if: inputs.lang == 'R'
      shell: bash
      run: |
          # We don't install cereal via apt, because the Debian packagers
          # split the rapidjson dependency into a separate package.  We will
          # bundle the cereal sources with the R package, so we want them to
          # be exactly the upstream sources (with rapidjson included).
          wget https://github.com/USCiLab/cereal/archive/refs/tags/v1.3.2.tar.gz
          tar -xvzpf v1.3.2.tar.gz
          #
          # These directives cause warnings on CRAN:
          # https://github.com/USCiLab/cereal/blob/master/include/cereal/external/base64.hpp#L28-L31
          # The command below comments them out.
          sed 's|#pragma|// #pragma|' cereal-1.3.2/include/cereal/external/base64.hpp > cereal-1.3.2/include/cereal/external/base64.hpp.tmp
          mv cereal-1.3.2/include/cereal/external/base64.hpp.tmp cereal-1.3.2/include/cereal/external/base64.hpp
          #
          # Fix cereal compilation on clang 19+; see
          # https://github.com/USCiLab/cereal/pull/835
          sed 's|::template apply|::apply|' cereal-1.3.2/include/cereal/types/tuple.hpp > cereal-1.3.2/include/cereal/types/tuple.hpp.tmp
          mv cereal-1.3.2/include/cereal/types/tuple.hpp.tmp cereal-1.3.2/include/cereal/types/tuple.hpp

    #
    # Go bindings.
    #
    - name: "Set up Go on macOS"
      if: inputs.lang == 'Go' && runner.os == 'macOS'
      shell: bash
      run: brew install go