nixpkgs/pkgs/development/python-modules/gssapi/default.nix

{ stdenv
, lib
, buildPythonPackage
, pythonOlder
, fetchFromGitHub

# build-system
, cython
, krb5
, setuptools

# dependencies
, decorator

# native dependencies
, GSS

# tests
, parameterized
, k5test
, pytestCheckHook
}:

buildPythonPackage rec {
  pname = "gssapi";
  version = "1.8.3";
  pyproject = true;

  disabled = pythonOlder "3.6";

  src = fetchFromGitHub {
    owner = "pythongssapi";
    repo = "python-${pname}";
    rev = "refs/tags/v${version}";
    hash = "sha256-H1JfdvxJvX5dmC9aTqIOkjAqFEL44KoUXEhoYj2uRY8=";
  };

  postPatch = ''
    substituteInPlace setup.py \
      --replace 'get_output(f"{kc} gssapi --prefix")' '"${lib.getDev krb5}"'
  '';

  env = lib.optionalAttrs (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) {
    GSSAPI_SUPPORT_DETECT = "false";
  };

  build-system = [
    cython
    krb5
    setuptools
  ];

  dependencies =  [
    decorator
  ];

  buildInputs = lib.optionals stdenv.isDarwin [
    GSS
  ];

  nativeCheckInputs = [
    k5test
    parameterized
    pytestCheckHook
  ];

  preCheck = ''
    mv gssapi/tests $TMPDIR/
    pushd $TMPDIR
  '';

  postCheck = ''
    popd
  '';

  pythonImportsCheck = [ "gssapi" ];

  meta = with lib; {
    homepage = "https://pypi.python.org/pypi/gssapi";
    description = "Python GSSAPI Wrapper";
    license = licenses.mit;
  };
}