tjh.dev
1{
2 lib,
3 buildPythonPackage,
4 fetchFromGitHub,
5 regex,
6 pytestCheckHook,
7 pythonOlder,
8 js2py,
9 setuptools,
10}:
11
12buildPythonPackage rec {
13 pname = "lark";
14 version = "1.1.9";
15 format = "pyproject";
16
17 src = fetchFromGitHub {
18 owner = "lark-parser";
19 repo = "lark";
20 rev = "refs/tags/${version}";
21 hash = "sha256-pWLKjELy10VNumpBHjBYCO2TltKsZx1GhQcGMHsYJNk=";
22 };
23
24 nativeBuildInputs = [ setuptools ];
25
26 # Optional import, but fixes some re known bugs & allows advanced regex features
27 propagatedBuildInputs = [ regex ];
28
29 pythonImportsCheck = [
30 "lark"
31 "lark.parsers"
32 "lark.tools"
33 "lark.grammars"
34 ];
35
36 # Js2py is not supported on 3.12
37 doCheck = pythonOlder "3.12";
38
39 nativeCheckInputs = [
40 js2py
41 pytestCheckHook
42 ];
43
44 meta = with lib; {
45 description = "Modern parsing library for Python, implementing Earley & LALR(1) and an easy interface";
46 homepage = "https://lark-parser.readthedocs.io/";
47 changelog = "https://github.com/lark-parser/lark/releases/tag/${version}";
48 license = licenses.mit;
49 maintainers = with maintainers; [ drewrisinger ];
50 };
51}