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{ lib
, buildPythonPackage
, fetchFromGitHub
, regex
, pytestCheckHook
, pythonOlder
, js2py
, setuptools
}:
buildPythonPackage rec {
pname = "lark";
version = "1.1.8";
format = "pyproject";
src = fetchFromGitHub {
owner = "lark-parser";
repo = "lark";
rev = "refs/tags/${version}";
hash = "sha256-bGNoQeiAC2JIFOhgYUnc+nApa2ovFzXnpl9JQAE11hM=";
};
nativeBuildInputs = [
setuptools
];
# Optional import, but fixes some re known bugs & allows advanced regex features
propagatedBuildInputs = [ regex ];
pythonImportsCheck = [
"lark"
"lark.parsers"
"lark.tools"
"lark.grammars"
];
# Js2py is not supported on 3.12
doCheck = pythonOlder "3.12";
nativeCheckInputs = [
js2py
pytestCheckHook
];
meta = with lib; {
description = "A modern parsing library for Python, implementing Earley & LALR(1) and an easy interface";
homepage = "https://lark-parser.readthedocs.io/";
changelog = "https://github.com/lark-parser/lark/releases/tag/${version}";
license = licenses.mit;
maintainers = with maintainers; [ fridh drewrisinger ];
};
}
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