tjh.dev
1{
2 lib,
3 attrs,
4 buildPythonPackage,
5 cbor2,
6 fetchFromGitHub,
7 fetchpatch2,
8 exceptiongroup,
9 hatchling,
10 hatch-vcs,
11 hypothesis,
12 immutables,
13 motor,
14 msgpack,
15 msgspec,
16 orjson,
17 pytest-xdist,
18 pytestCheckHook,
19 pythonAtLeast,
20 pythonOlder,
21 pyyaml,
22 tomlkit,
23 typing-extensions,
24 ujson,
25}:
26
27buildPythonPackage rec {
28 pname = "cattrs";
29 version = "24.1.3";
30 pyproject = true;
31
32 src = fetchFromGitHub {
33 owner = "python-attrs";
34 repo = "cattrs";
35 tag = "v${version}";
36 hash = "sha256-yrrb2Lvq7zMzeOLr8wwxVsKmPYEZxzDKR2mnCMNuHdE=";
37 };
38
39 patches = [
40 # https://github.com/python-attrs/cattrs/pull/576
41 (fetchpatch2 {
42 name = "attrs-24_2-compatibility1.patch";
43 url = "https://github.com/python-attrs/cattrs/commit/2d37226ff19506e23bbc291125a29ce514575819.patch";
44 excludes = [
45 "pyproject.toml"
46 "pdm.lock"
47 ];
48 hash = "sha256-nbk7rmOFk42DXYdOgw4Oe3gl3HbxNEtaJ7ZiVSBb3YA=";
49 })
50 (fetchpatch2 {
51 name = "attrs-24_2-compatibility2.patch";
52 url = "https://github.com/python-attrs/cattrs/commit/4bd6dde556042241c6381e1993cedd6514921f58.patch";
53 hash = "sha256-H1xSAYjvVUI8/jON3LWg2F2TlSxejf6TU1jpCeqly6I=";
54 })
55 ];
56
57 build-system = [
58 hatchling
59 hatch-vcs
60 ];
61
62 dependencies = [
63 attrs
64 ]
65 ++ lib.optionals (pythonOlder "3.11") [
66 exceptiongroup
67 typing-extensions
68 ];
69
70 nativeCheckInputs = [
71 cbor2
72 hypothesis
73 immutables
74 motor
75 msgpack
76 msgspec
77 orjson
78 pytest-xdist
79 pytestCheckHook
80 pyyaml
81 tomlkit
82 typing-extensions
83 ujson
84 ];
85
86 postPatch = ''
87 substituteInPlace pyproject.toml \
88 --replace-fail "-l --benchmark-sort=fullname --benchmark-warmup=true --benchmark-warmup-iterations=5 --benchmark-group-by=fullname" ""
89 substituteInPlace tests/test_preconf.py \
90 --replace-fail "from orjson import dumps as orjson_dumps" "" \
91 --replace-fail "from orjson import loads as orjson_loads" ""
92 '';
93
94 preCheck = ''
95 export HOME=$(mktemp -d);
96 '';
97
98 disabledTestPaths = [
99 # Don't run benchmarking tests
100 "bench"
101 ];
102
103 disabledTests = [
104 # orjson is not available as it requires Rust nightly features to compile its requirements
105 "test_orjson"
106 # msgspec causes a segmentation fault for some reason
107 "test_simple_classes"
108 "test_msgspec_json_converter"
109 ]
110 ++ lib.optionals (pythonAtLeast "3.13") [
111 # https://github.com/python-attrs/cattrs/pull/543
112 "test_unstructure_deeply_nested_generics_list"
113 ];
114
115 pythonImportsCheck = [ "cattr" ];
116
117 meta = {
118 description = "Python custom class converters for attrs";
119 homepage = "https://github.com/python-attrs/cattrs";
120 changelog = "https://github.com/python-attrs/cattrs/blob/${src.rev}/HISTORY.md";
121 license = with lib.licenses; [ mit ];
122 maintainers = with lib.maintainers; [ fab ];
123 };
124}