1{ 2 lib, 3 buildPythonPackage, 4 fetchFromGitHub, 5 6 # build-system 7 poetry-core, 8 9 # dependencies 10 httpx, 11 httpx-sse, 12 orjson, 13 typing-extensions, 14 15 # passthru 16 nix-update-script, 17}: 18 19buildPythonPackage rec { 20 pname = "langgraph-sdk"; 21 version = "0.1.66"; 22 pyproject = true; 23 24 src = fetchFromGitHub { 25 owner = "langchain-ai"; 26 repo = "langgraph"; 27 tag = "sdk==${version}"; 28 hash = "sha256-RmyKnCL0hPOEXau+BtcWfOVt7BCtCkWuAEdDOxUV20o="; 29 }; 30 31 sourceRoot = "${src.name}/libs/sdk-py"; 32 33 build-system = [ poetry-core ]; 34 35 dependencies = [ 36 httpx 37 httpx-sse 38 orjson 39 typing-extensions 40 ]; 41 42 disabledTests = [ "test_aevaluate_results" ]; # Compares execution time to magic number 43 44 pythonImportsCheck = [ "langgraph_sdk" ]; 45 46 passthru.updateScript = nix-update-script { 47 extraArgs = [ 48 "--version-regex" 49 "sdk==(\\d+\\.\\d+\\.\\d+)" 50 ]; 51 }; 52 53 meta = { 54 description = "SDK for interacting with the LangGraph Cloud REST API"; 55 homepage = "https://github.com/langchain-ai/langgraph/tree/main/libs/sdk-py"; 56 changelog = "https://github.com/langchain-ai/langgraph/releases/tag/sdk==${version}"; 57 license = lib.licenses.mit; 58 maintainers = with lib.maintainers; [ sarahec ]; 59 }; 60}