{ lib, buildPythonPackage, pythonOlder, fetchFromGitHub, pdm-backend, pyvcd, jinja2, jschon, importlib-resources, importlib-metadata, git, # for tests pytestCheckHook, symbiyosys, yices, yosys, }: buildPythonPackage rec { pname = "amaranth"; format = "pyproject"; version = "0.5.0"; disabled = pythonOlder "3.8"; src = fetchFromGitHub { owner = "amaranth-lang"; repo = "amaranth"; rev = "refs/tags/v${version}"; hash = "sha256-+EV2NgYSuCbYTQKeBUN+/D0attfrJ3cso7U6RjLEIbg="; }; nativeBuildInputs = [ git pdm-backend ]; dependencies = [ jinja2 pyvcd jschon ] ++ lib.optional (pythonOlder "3.9") importlib-resources ++ lib.optional (pythonOlder "3.8") importlib-metadata; nativeCheckInputs = [ pytestCheckHook symbiyosys yices yosys ]; pythonImportsCheck = [ "amaranth" ]; meta = with lib; { description = "Modern hardware definition language and toolchain based on Python"; mainProgram = "amaranth-rpc"; homepage = "https://amaranth-lang.org/docs/amaranth"; license = licenses.bsd2; maintainers = with maintainers; [ thoughtpolice pbsds ]; }; }