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


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{
  lib,
  buildPythonPackage,
  fetchFromGitHub,
  numpy,
  llvmPackages,
  wurlitzer,
  pytestCheckHook,
}:

buildPythonPackage rec {
  pname = "wasserstein";
  version = "1.1.0";
  format = "setuptools";

  src = fetchFromGitHub {
    owner = "pkomiske";
    repo = "Wasserstein";
    rev = "89c2d6279a7e0aa3b56bcc8fb7b6009420f2563e"; # https://github.com/pkomiske/Wasserstein/issues/1
    hash = "sha256-s9en6XwvO/WPsF7/+SEmGePHZQgl7zLgu5sEn4nD9YE=";
  };

  buildInputs = [ llvmPackages.openmp ];
  propagatedBuildInputs = [
    numpy
    wurlitzer
  ];

  nativeCheckInputs = [ pytestCheckHook ];
  pytestFlagsArray = [ "wasserstein/tests" ];
  disabledTestPaths = [
    "wasserstein/tests/test_emd.py" # requires "ot"
    # cyclic dependency on energyflow
    "wasserstein/tests/test_externalemdhandler.py"
    "wasserstein/tests/test_pairwiseemd.py"
  ];

  pythonImportsCheck = [ "wasserstein" ];

  meta = with lib; {
    description = "Python/C++ library for computing Wasserstein distances efficiently";
    homepage = "https://github.com/pkomiske/Wasserstein";
    license = licenses.gpl3Only;
    maintainers = with maintainers; [ veprbl ];
  };
}