{ lib
, buildPythonPackage
, pythonOlder
, fetchPypi
, setuptools-scm
, fonttools
, fontpens
, pytestCheckHook
}:

buildPythonPackage rec {
  pname = "defcon";
  version = "0.10.2";
  format = "setuptools";

  disabled = pythonOlder "3.7";

  src = fetchPypi {
    inherit pname version;
    hash = "sha256-ruOW5taeRa5lyCZHgTktTCkRaTSyc3rXbYIwtAwYKkQ=";
    extension = "zip";
  };

  nativeBuildInputs = [
    setuptools-scm
  ];

  propagatedBuildInputs = [
    fonttools
  ]
  ++ fonttools.optional-dependencies.ufo
  ++ fonttools.optional-dependencies.unicode;

  nativeCheckInputs = [
    pytestCheckHook
  ];

  pythonImportsCheck = [
    "defcon"
  ];

  passthru.optional-dependencies = {
    pens = [ fontpens ];
    lxml = [ fonttools ] ++ fonttools.optional-dependencies.lxml;
  };

  meta = with lib; {
    description = "A set of UFO based objects for use in font editing applications";
    homepage = "https://github.com/robotools/defcon";
    changelog = "https://github.com/robotools/defcon/releases/tag/${version}";
    license = licenses.mit;
    maintainers = with maintainers; [ sternenseemann ];
  };
}