49 lines
1.4 KiB
Nix
49 lines
1.4 KiB
Nix
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{ 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 = "5.0.0";
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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 = "1c16fcxf0xjkh5py9bnj6ljb9krhrj57mkwayl1w1dvzwl5lkgj3";
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};
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# Since version 5.0.0 only >=3.8 is officially supported, but ics is not
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# compatible with Python 3.8 due to aiohttp:
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disabled = pythonOlder "3.7";
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postPatch = ''
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substituteInPlace setup.py \
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--replace "python_requires='>=3.8'," "python_requires='>=3.7',"
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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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