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{ lib
, buildPythonPackage
, fetchFromGitHub
, python
, regex
}:
buildPythonPackage rec {
pname = "lark";
version = "1.0.0";
src = fetchFromGitHub {
owner = "lark-parser";
repo = "lark";
rev = version;
sha256 = "0pfvjh4ydc49gs6m8b3ip85c8nd4da2bhz9714fwcyl3hdp33q7n";
};
# Optional import, but fixes some re known bugs & allows advanced regex features
propagatedBuildInputs = [ regex ];
pythonImportsCheck = [
"lark"
"lark.parsers"
"lark.tools"
"lark.grammars"
];
checkPhase = ''
runHook preCheck
# Official way to run the tests. Runs unittest internally.
# pytest produces issues with some test resource paths (relies on __main__)
${python.interpreter} -m tests
runHook postCheck
'';
meta = with lib; {
description = "A modern parsing library for Python, implementing Earley & LALR(1) and an easy interface";
homepage = "https://lark-parser.readthedocs.io/";
changelog = "https://github.com/lark-parser/lark/releases/tag/${version}";
license = licenses.mit;
maintainers = with maintainers; [ fridh drewrisinger ];
};
}
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