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{
lib,
config,
stdenv,
pkgs,
buildPythonPackage,
fetchPypi,
# build-system
scikit-build-core,
# nativeBuildInputs
cmake,
ninja,
pathspec,
pyproject-metadata,
writableTmpDirAsHomeHook,
# buildInputs
llvmPackages,
boost,
ocl-icd,
opencl-headers,
# dependencies
numpy,
scipy,
# optional-dependencies
cffi,
dask,
pandas,
pyarrow,
scikit-learn,
# optionals: gpu
gpuSupport ? stdenv.hostPlatform.isLinux && !cudaSupport,
cudaSupport ? config.cudaSupport,
cudaPackages,
}:
assert gpuSupport -> !cudaSupport;
assert cudaSupport -> !gpuSupport;
buildPythonPackage rec {
inherit (pkgs.lightgbm)
pname
version
patches
;
pyproject = true;
src = fetchPypi {
inherit pname version;
hash = "sha256-yxxZcg61aTicC6dNFPUjUbVzr0ifIwAyocnzFPi6t/4=";
};
# Patch dll search path to fix proper discovery of lib_lightgbm.so
# Exception: Cannot find lightgbm library file in following paths:
# /nix/store/...-python3.13-lightgbm-4.6.0/lib/python3.13/site-packages/lib_lightgbm.so
# /nix/store/...-python3.13-lightgbm-4.6.0/lib/python3.13/site-packages/lightgbm/bin/lib_lightgbm.so
# /nix/store/...-python3.13-lightgbm-4.6.0/lib/python3.13/site-packages/lightgbm/lib/lib_lightgbm.so
postPatch = ''
substituteInPlace lightgbm/libpath.py \
--replace-fail \
'curr_path.parents[0] / "lib",' \
'curr_path.parents[1] / "lib",'
'';
build-system = [
scikit-build-core
];
nativeBuildInputs = [
cmake
ninja
pathspec
pyproject-metadata
writableTmpDirAsHomeHook
]
++ lib.optionals cudaSupport [ cudaPackages.cuda_nvcc ];
dontUseCmakeConfigure = true;
buildInputs =
(lib.optionals stdenv.cc.isClang [ llvmPackages.openmp ])
++ (lib.optionals gpuSupport [
boost
ocl-icd
opencl-headers
])
++ lib.optionals cudaSupport [
cudaPackages.cuda_nvcc
cudaPackages.cuda_cudart
];
dependencies = [
numpy
scipy
];
cmakeFlags = [
(lib.cmakeBool "USE_GPU" gpuSupport)
(lib.cmakeBool "USE_CUDA" cudaSupport)
];
optional-dependencies = {
arrow = [
cffi
pyarrow
];
dask = [
dask
pandas
]
++ dask.optional-dependencies.array
++ dask.optional-dependencies.dataframe
++ dask.optional-dependencies.distributed;
pandas = [ pandas ];
scikit-learn = [ scikit-learn ];
};
# No python tests
doCheck = false;
pythonImportsCheck = [ "lightgbm" ];
meta = {
description = "Fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework";
homepage = "https://github.com/Microsoft/LightGBM";
changelog = "https://github.com/microsoft/LightGBM/releases/tag/v${version}";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ teh ];
};
}
|
