{ lib, stdenv, buildPythonPackage, fetchFromGitHub, callPackage, cargo, hypothesmith, libcst, libiconv, pytestCheckHook, python, pythonOlder, pyyaml, pyyaml-ft, rustPlatform, rustc, setuptools-rust, setuptools-scm, ufmt, }: buildPythonPackage rec { pname = "libcst"; version = "1.8.4"; pyproject = true; src = fetchFromGitHub { owner = "Instagram"; repo = "LibCST"; tag = "v${version}"; hash = "sha256-OSLaEIfFM/uU3GkcVpvbeesqzr+qXa/BgkDEan7Ybkg="; }; cargoDeps = rustPlatform.fetchCargoVendor { inherit pname version src cargoRoot ; hash = "sha256-F/TaKZpynaCwXU0YvvuTEh5/pvMOpKur7wMSE7dtgNo="; }; cargoRoot = "native"; build-system = [ setuptools-rust setuptools-scm ]; nativeBuildInputs = [ rustPlatform.cargoSetupHook cargo rustc ]; buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ]; dependencies = [ (if pythonOlder "3.13" then pyyaml else pyyaml-ft) ]; nativeCheckInputs = [ hypothesmith pytestCheckHook ufmt ]; preCheck = '' # import from $out instead rm libcst/__init__.py ''; disabledTests = [ # FIXME package pyre-test "TypeInferenceProviderTest" # we'd need to run `python -m libcst.codegen.generate all` but shouldn't modify $out "test_codegen_clean_visitor_functions" ]; # circular dependency on hypothesmith and ufmt doCheck = false; passthru.tests = { pytest = libcst.overridePythonAttrs { doCheck = true; }; }; pythonImportsCheck = [ "libcst" ]; meta = { description = "Concrete Syntax Tree (CST) parser and serializer library for Python"; homepage = "https://github.com/Instagram/LibCST"; changelog = "https://github.com/Instagram/LibCST/blob/${src.tag}/CHANGELOG.md"; license = with lib.licenses; [ mit asl20 psfl ]; maintainers = with lib.maintainers; [ dotlambda ]; }; }