tjh.dev
1{
2 lib,
3 buildPythonPackage,
4 fetchFromGitHub,
5
6 # build-system
7 pdm-backend,
8
9 # dependencies
10 chromadb,
11 langchain-core,
12 numpy,
13
14 # tests
15 langchain-tests,
16 pytestCheckHook,
17 pytest-asyncio,
18
19 # passthru
20 gitUpdater,
21}:
22
23buildPythonPackage rec {
24 pname = "langchain-chroma";
25 version = "0.2.4";
26 pyproject = true;
27
28 src = fetchFromGitHub {
29 owner = "langchain-ai";
30 repo = "langchain";
31 tag = "langchain-chroma==${version}";
32 hash = "sha256-w4xvPPLYkPiQA34bimVHLe+vghMI9Pq36CHoE/EMnr8=";
33 };
34
35 sourceRoot = "${src.name}/libs/partners/chroma";
36
37 patches = [ ./001-async-test.patch ];
38
39 build-system = [ pdm-backend ];
40
41 pythonRelaxDeps = [
42 # Each component release requests the exact latest core.
43 # That prevents us from updating individual components.
44 "langchain-core"
45 "numpy"
46 ];
47
48 dependencies = [
49 chromadb
50 langchain-core
51 numpy
52 ];
53
54 pythonImportsCheck = [ "langchain_chroma" ];
55
56 nativeCheckInputs = [
57 langchain-tests
58 pytest-asyncio
59 pytestCheckHook
60 ];
61
62 disabledTests = [
63 # Bad integration test, not used or vetted by the langchain team
64 "test_chroma_update_document"
65 ];
66
67 passthru.updateScript = gitUpdater {
68 rev-prefix = "langchain-chroma==";
69 };
70
71 meta = {
72 changelog = "https://github.com/langchain-ai/langchain/releases/tag/${src.tag}";
73 description = "Integration package connecting Chroma and LangChain";
74 homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/partners/chroma";
75 license = lib.licenses.mit;
76 maintainers = with lib.maintainers; [
77 natsukium
78 sarahec
79 ];
80 };
81}