{ lib, attrs, buildPythonPackage, cbor2, fetchFromGitHub, exceptiongroup, hatchling, hatch-vcs, hypothesis, immutables, motor, msgpack, msgspec, orjson, pytest-xdist, pytestCheckHook, pythonAtLeast, pythonOlder, pyyaml, tomlkit, typing-extensions, ujson, }: buildPythonPackage rec { pname = "cattrs"; version = "25.1.1"; pyproject = true; src = fetchFromGitHub { owner = "python-attrs"; repo = "cattrs"; tag = "v${version}"; hash = "sha256-kaB/UJcd4E4PUkz6mD53lXtmj4Z4P+Tuu7bSljYVOO4="; }; build-system = [ hatchling hatch-vcs ]; dependencies = [ attrs typing-extensions ] ++ lib.optionals (pythonOlder "3.11") [ exceptiongroup ]; nativeCheckInputs = [ cbor2 hypothesis immutables motor msgpack msgspec orjson pytest-xdist pytestCheckHook pyyaml tomlkit ujson ]; postPatch = '' substituteInPlace pyproject.toml \ --replace-fail "-l --benchmark-sort=fullname --benchmark-warmup=true --benchmark-warmup-iterations=5 --benchmark-group-by=fullname" "" substituteInPlace tests/test_preconf.py \ --replace-fail "from orjson import dumps as orjson_dumps" "" \ --replace-fail "from orjson import loads as orjson_loads" "" ''; preCheck = '' export HOME=$(mktemp -d); ''; disabledTestPaths = [ # Don't run benchmarking tests "bench" ]; disabledTests = [ # orjson is not available as it requires Rust nightly features to compile its requirements "test_orjson" # msgspec causes a segmentation fault for some reason "test_simple_classes" "test_msgspec_json_converter" ] ++ lib.optionals (pythonAtLeast "3.13") [ # https://github.com/python-attrs/cattrs/pull/543 "test_unstructure_deeply_nested_generics_list" ]; pythonImportsCheck = [ "cattr" ]; meta = { description = "Python custom class converters for attrs"; homepage = "https://github.com/python-attrs/cattrs"; changelog = "https://github.com/python-attrs/cattrs/blob/${src.tag}/HISTORY.md"; license = with lib.licenses; [ mit ]; maintainers = with lib.maintainers; [ fab ]; }; }