tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1{
2 lib,
3 buildPythonPackage,
4 fetchFromGitHub,
5 pythonAtLeast,
6 anyio,
7 backoff,
8 httpx,
9 idna,
10 langchain,
11 llama-index,
12 openai,
13 opentelemetry-api,
14 opentelemetry-sdk,
15 opentelemetry-exporter-otlp,
16 packaging,
17 poetry-core,
18 pydantic,
19 requests,
20 wrapt,
21}:
22
23buildPythonPackage (finalAttrs: {
24 pname = "langfuse";
25 version = "3.12.0";
26 pyproject = true;
27
28 src = fetchFromGitHub {
29 owner = "langfuse";
30 repo = "langfuse-python";
31 tag = "v${finalAttrs.version}";
32 hash = "sha256-LHKNy5KSJhRhxkrp4+pjD0GGHTooaj7adrRA7I4mbdo=";
33 };
34
35 # https://github.com/langfuse/langfuse/issues/9618
36 disabled = pythonAtLeast "3.14";
37
38 build-system = [ poetry-core ];
39
40 pythonRelaxDeps = [ "packaging" ];
41
42 dependencies = [
43 anyio
44 backoff
45 httpx
46 idna
47 opentelemetry-api
48 opentelemetry-sdk
49 opentelemetry-exporter-otlp
50 packaging
51 pydantic
52 requests
53 wrapt
54 ];
55
56 optional-dependencies = {
57 langchain = [ langchain ];
58 llama-index = [ llama-index ];
59 openai = [ openai ];
60 };
61
62 pythonImportsCheck = [ "langfuse" ];
63
64 # tests require network access and openai api key
65 doCheck = false;
66
67 meta = {
68 description = "Instrument your LLM app with decorators or low-level SDK and get detailed tracing/observability";
69 homepage = "https://github.com/langfuse/langfuse-python";
70 changelog = "https://github.com/langfuse/langfuse-python/releases/tag/${finalAttrs.src.tag}";
71 license = lib.licenses.mit;
72 maintainers = with lib.maintainers; [ natsukium ];
73 };
74})