Commit bcf3d9a0 authored by Gaetan Lepage's avatar Gaetan Lepage
Browse files

python3Packages.lightgbm: fix dll discovery

parent a132f087

pkgs/development/python-modules/lightgbm/default.nix

+12 −0
Original line number Diff line number Diff line
@@ -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

  ];