40 lines
1.1 KiB
Nix
40 lines
1.1 KiB
Nix
{ stdenv, buildPythonPackage, fetchFromGitHub, pythonOlder
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, colorama, mypy, pyyaml, regex
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, dataclasses, typing
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, pytestrunner, pytest-mypy
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}:
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buildPythonPackage rec {
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pname = "TatSu";
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version = "4.4.0";
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src = fetchFromGitHub {
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owner = "neogeny";
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repo = pname;
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rev = "v${version}";
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sha256 = "1jjd73yr3x56ij2ggxf6s62mf90i9v7wn3i0h67zxys55hlp2yh4";
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};
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nativeBuildInputs = [ pytestrunner ];
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propagatedBuildInputs = [ colorama mypy pyyaml regex ]
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++ stdenv.lib.optionals (pythonOlder "3.7") [ dataclasses ]
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++ stdenv.lib.optionals (pythonOlder "3.5") [ typing ];
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checkInputs = [ pytest-mypy ];
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checkPhase = ''
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pytest test/
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'';
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meta = with stdenv.lib; {
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description = "Generates Python parsers from grammars in a variation of EBNF";
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longDescription = ''
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TatSu (the successor to Grako) is a tool that takes grammars in a
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variation of EBNF as input, and outputs memoizing (Packrat) PEG parsers in
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Python.
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'';
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homepage = "https://tatsu.readthedocs.io/";
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license = licenses.bsd2;
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maintainers = with maintainers; [ primeos ];
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};
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}
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