depot/third_party/nixpkgs/pkgs/development/python-modules/langgraph-sdk/default.nix

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{
lib,
buildPythonPackage,
fetchFromGitHub,
httpx,
httpx-sse,
orjson,
poetry-core,
pythonOlder,
writeScript,
}:
buildPythonPackage rec {
pname = "langgraph-sdk";
version = "0.1.26";
pyproject = true;
disabled = pythonOlder "3.9";
src = fetchFromGitHub {
owner = "langchain-ai";
repo = "langgraph";
rev = "refs/tags/sdk==${version}";
hash = "sha256-o7JrB2WSWfPm927tDRMcjzx+6Io6Q+Yjp4XPVs2+F4o=";
};
sourceRoot = "${src.name}/libs/sdk-py";
build-system = [ poetry-core ];
dependencies = [
httpx
httpx-sse
orjson
];
pythonImportsCheck = [ "langgraph_sdk" ];
passthru = {
# python3Packages.langgraph-sdk depends on python3Packages.langgraph. langgraph-cli is independent of both.
updateScript = writeScript "update.sh" ''
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix-update
set -eu -o pipefail
nix-update --commit --version-regex '(.*)' python3Packages.langgraph
nix-update --commit --version-regex 'sdk==(.*)' python3Packages.langgraph-sdk
'';
};
meta = {
description = "SDK for interacting with the LangGraph Cloud REST API";
homepage = "https://github.com/langchain-ai/langgraphtree/main/libs/sdk-py";
changelog = "https://github.com/langchain-ai/langgraph/releases/tag/sdk==${version}";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ sarahec ];
};
}