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python3Packages.lightgbm: fix dll discovery

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This commit is contained in:
Gaetan Lepage
2025-10-13 09:40:32 +00:00
parent a132f08781
commit bcf3d9a08d
1 changed files with 12 additions and 0 deletions
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12
pkgs/development/python-modules/lightgbm/default.nix
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@@ -55,6 +55,18 @@ buildPythonPackage rec {
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
];