{ lib, stdenv, buildPythonPackage, fetchFromGitHub, pythonOlder, # build-system rustPlatform, cffi, # native dependencies libiconv, # tests numpy, psutil, pytestCheckHook, python-dateutil, pytz, xxhash, python, # for passthru.tests falcon, fastapi, gradio, mashumaro, ufolib2, }: buildPythonPackage rec { pname = "orjson"; version = "3.10.6"; pyproject = true; disabled = pythonOlder "3.8"; src = fetchFromGitHub { owner = "ijl"; repo = "orjson"; rev = "refs/tags/${version}"; hash = "sha256-K3wCzwaGOsaiCm2LW4Oc4XOnp6agrdTxCxqEIMq0fuU="; }; cargoDeps = rustPlatform.fetchCargoTarball { inherit src; name = "${pname}-${version}"; hash = "sha256-SNdwqb47dJ084TMNsm2Btks1UCDerjSmSrQQUiGbx50="; }; maturinBuildFlags = [ "--interpreter ${python.executable}" ]; nativeBuildInputs = [ cffi ] ++ (with rustPlatform; [ cargoSetupHook maturinBuildHook ]); buildInputs = lib.optionals stdenv.isDarwin [ libiconv ]; nativeCheckInputs = [ numpy psutil pytestCheckHook python-dateutil pytz xxhash ]; pythonImportsCheck = [ "orjson" ]; passthru.tests = { inherit falcon fastapi gradio mashumaro ufolib2 ; }; meta = with lib; { description = "Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy"; homepage = "https://github.com/ijl/orjson"; changelog = "https://github.com/ijl/orjson/blob/${version}/CHANGELOG.md"; license = with licenses; [ asl20 mit ]; platforms = platforms.unix; maintainers = with maintainers; [ misuzu ]; }; }