{ lib, stdenv, buildPythonPackage, fetchFromGitHub, cargo, hypothesis, libiconv, pytestCheckHook, python, pythonOlder, pyyaml, rustPlatform, rustc, setuptools-rust, setuptools-scm, typing-extensions, typing-inspect, }: buildPythonPackage rec { pname = "libcst"; version = "1.4.0"; format = "pyproject"; disabled = pythonOlder "3.7"; src = fetchFromGitHub { owner = "instagram"; repo = "libcst"; rev = "refs/tags/v${version}"; hash = "sha256-H0YO8ILWOyhYdosNRWQQ9wziFk0syKSG3vF2zuYkL2k="; }; cargoDeps = rustPlatform.fetchCargoTarball { inherit src; sourceRoot = "${src.name}/${cargoRoot}"; name = "${pname}-${version}"; hash = "sha256-AcqHn3A7WCVyVnOBD96k4pxokhzgmCWOipK/DrIAQkU="; }; cargoRoot = "native"; postPatch = '' # avoid infinite recursion by not formatting the release files substituteInPlace libcst/codegen/generate.py \ --replace '"ufmt"' '"true"' ''; nativeBuildInputs = [ setuptools-rust setuptools-scm rustPlatform.cargoSetupHook cargo rustc ]; buildInputs = lib.optionals stdenv.isDarwin [ libiconv ]; propagatedBuildInputs = [ typing-extensions typing-inspect pyyaml ]; nativeCheckInputs = [ hypothesis pytestCheckHook ]; preCheck = '' # otherwise import libcst.native fails cp build/lib.*/libcst/native.* libcst/ ${python.interpreter} -m libcst.codegen.generate visitors ${python.interpreter} -m libcst.codegen.generate return_types # Can't run all tests due to circular dependency on hypothesmith -> libcst rm -r {libcst/tests,libcst/codegen/tests,libcst/m*/tests} ''; disabledTests = [ # No files are generated "test_codemod_formatter_error_input" ]; pythonImportsCheck = [ "libcst" ]; meta = with lib; { description = "Concrete Syntax Tree (CST) parser and serializer library for Python"; homepage = "https://github.com/Instagram/libcst"; changelog = "https://github.com/Instagram/LibCST/blob/v${version}/CHANGELOG.md"; license = with licenses; [ mit asl20 psfl ]; maintainers = [ ]; }; }