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{ lib, buildPythonPackage, fetchFromGitHub, pythonOlder, black, isort
, pytestCheckHook, pyyaml, typing-extensions, typing-inspect, dataclasses }:
buildPythonPackage rec {
pname = "libcst";
version = "0.3.13";
# Some files for tests missing from PyPi
# https://github.com/Instagram/LibCST/issues/331
src = fetchFromGitHub {
owner = "instagram";
repo = pname;
rev = "v${version}";
sha256 = "0pbddjrsqj641mr6zijk2phfn15dampbx268zcws4bhhhnrxlj65";
};
disabled = pythonOlder "3.6";
propagatedBuildInputs = [ pyyaml typing-inspect ]
++ lib.optional (pythonOlder "3.7") dataclasses;
checkInputs = [ black isort pytestCheckHook ];
# https://github.com/Instagram/LibCST/issues/346
# https://github.com/Instagram/LibCST/issues/347
preCheck = ''
python -m libcst.codegen.generate visitors
python -m libcst.codegen.generate return_types
rm libcst/tests/test_fuzz.py
rm libcst/tests/test_pyre_integration.py
rm libcst/metadata/tests/test_full_repo_manager.py
rm libcst/metadata/tests/test_type_inference_provider.py
'';
pythonImportsCheck = [ "libcst" ];
meta = with lib; {
description =
"A Concrete Syntax Tree (CST) parser and serializer library for Python.";
homepage = "https://github.com/Instagram/libcst";
license = with licenses; [ mit asl20 psfl ];
maintainers = with maintainers; [ maintainers.ruuda ];
};
}
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