{ lib, buildPythonPackage, fetchFromGitHub, flit-scm, pytestCheckHook, pythonAtLeast, pythonOlder, typing-extensions, }: buildPythonPackage rec { pname = "exceptiongroup"; version = "1.3.0"; pyproject = true; src = fetchFromGitHub { owner = "agronholm"; repo = "exceptiongroup"; tag = version; hash = "sha256-b3Z1NsYKp0CecUq8kaC/j3xR/ZZHDIw4MhUeadizz88="; }; build-system = [ flit-scm ]; dependencies = lib.optionals (pythonOlder "3.13") [ typing-extensions ]; nativeCheckInputs = [ pytestCheckHook ]; doCheck = pythonAtLeast "3.11"; # infinite recursion with pytest disabledTests = lib.optionals (pythonAtLeast "3.14") [ # RecursionError not raised "test_deep_split" "test_deep_subgroup" ]; pythonImportsCheck = [ "exceptiongroup" ]; meta = { description = "Backport of PEP 654 (exception groups)"; homepage = "https://github.com/agronholm/exceptiongroup"; changelog = "https://github.com/agronholm/exceptiongroup/blob/${version}/CHANGES.rst"; license = with lib.licenses; [ mit ]; maintainers = with lib.maintainers; [ fab ]; }; }