{ lib, buildPythonPackage, fetchFromGitHub, # build-system pdm-backend, # dependencies huggingface-hub, langchain-core, sentence-transformers, tokenizers, transformers, # tests freezegun, httpx, lark, pandas, pytest-asyncio, pytest-mock, pytest-socket, pytestCheckHook, requests-mock, responses, syrupy, toml, # passthru nix-update-script, }: buildPythonPackage rec { pname = "langchain-huggingface"; version = "0.2.0"; pyproject = true; src = fetchFromGitHub { owner = "langchain-ai"; repo = "langchain"; tag = "langchain-huggingface==${version}"; hash = "sha256-TqxssbqqjJV+/ynM2wo3C1aCV6wy0DsvdEuiTvVqNa8="; }; sourceRoot = "${src.name}/libs/partners/huggingface"; build-system = [ pdm-backend ]; pythonRelaxDeps = [ # Each component release requests the exact latest core. # That prevents us from updating individual components. "langchain-core" ]; dependencies = [ huggingface-hub langchain-core sentence-transformers tokenizers transformers ]; nativeCheckInputs = [ freezegun httpx lark pandas pytest-asyncio pytest-mock pytest-socket pytestCheckHook requests-mock responses syrupy toml ]; pytestFlagsArray = [ "tests/unit_tests" ]; pythonImportsCheck = [ "langchain_huggingface" ]; passthru.updateScript = nix-update-script { extraArgs = [ "--version-regex" "langchain-huggingface==([0-9.]+)" ]; }; meta = { changelog = "https://github.com/langchain-ai/langchain/releases/tag/langchain-huggingface==${version}"; description = "An integration package connecting Huggingface related classes and LangChain"; homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/partners/huggingface"; license = lib.licenses.mit; maintainers = with lib.maintainers; [ natsukium sarahec ]; }; }