python311Packages.langfuse: init at 2.33.1

pkgs/development/python-modules/langfuse/default.nix

@@ -0,0 +1,63 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  backoff,
+  httpx,
+  idna,
+  langchain,
+  llama-index,
+  openai,
+  packaging,
+  poetry-core,
+  pydantic,
+  pythonRelaxDepsHook,
+  wrapt,
+}:
+
+buildPythonPackage rec {
+  pname = "langfuse";
+  version = "2.33.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "langfuse";
+    repo = "langfuse-python";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-ZPCL3Xle4qEw2pNIcja252meep26W/RbVEk2suzywYI=";
+  };
+
+  build-system = [ poetry-core ];
+
+  nativeBuildInputs = [ pythonRelaxDepsHook ];
+
+  pythonRelaxDeps = [ "packaging" ];
+
+  dependencies = [
+    backoff
+    httpx
+    idna
+    packaging
+    pydantic
+    wrapt
+  ];
+
+  optional-dependencies = {
+    langchain = [ langchain ];
+    llama-index = [ llama-index ];
+    openai = [ openai ];
+  };
+
+  pythonImportsCheck = [ "langfuse" ];
+
+  # tests require network access and openai api key
+  doCheck = false;
+
+  meta = {
+    description = "Instrument your LLM app with decorators or low-level SDK and get detailed tracing/observability";
+    homepage = "https://github.com/langfuse/langfuse-python";
+    changelog = "https://github.com/langfuse/langfuse-python/releases/tag/${src.rev}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ natsukium ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -6491,6 +6491,8 @@ self: super: with self; {
 
   langdetect = callPackage ../development/python-modules/langdetect { };
 
+  langfuse = callPackage ../development/python-modules/langfuse { };
+
   langid = callPackage ../development/python-modules/langid { };
 
   langsmith = callPackage ../development/python-modules/langsmith { };