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{
lib,
aiohttp,
async-timeout,
bash,
buildPythonPackage,
fetchFromGitHub,
freezegun,
langchain-core,
langchain-text-splitters,
langsmith,
lark,
numpy,
pandas,
poetry-core,
pydantic,
pytest-asyncio,
pytest-mock,
pytest-socket,
pytestCheckHook,
pythonOlder,
pyyaml,
requests-mock,
requests,
responses,
sqlalchemy,
syrupy,
tenacity,
toml,
}:
buildPythonPackage rec {
pname = "langchain";
version = "0.2.9";
pyproject = true;
disabled = pythonOlder "3.8";
src = fetchFromGitHub {
owner = "langchain-ai";
repo = "langchain";
rev = "refs/tags/langchain-core==${version}";
hash = "sha256-/BUn/NxaE9l3VY6dPshr1JJaHTGzn9NMQhSQ2De65Jg=";
};
sourceRoot = "${src.name}/libs/langchain";
build-system = [ poetry-core ];
buildInputs = [ bash ];
dependencies = [
aiohttp
langchain-core
langchain-text-splitters
langsmith
numpy
pydantic
pyyaml
requests
sqlalchemy
tenacity
] ++ lib.optionals (pythonOlder "3.11") [ async-timeout ];
nativeCheckInputs = [
freezegun
lark
pandas
pytest-asyncio
pytest-mock
pytest-socket
pytestCheckHook
requests-mock
responses
syrupy
toml
];
pytestFlagsArray = [
# integration_tests require network access, database access and require `OPENAI_API_KEY`, etc.
"tests/unit_tests"
"--only-core"
];
disabledTests = [
# These tests have database access
"test_table_info"
"test_sql_database_run"
# These tests have network access
"test_socket_disabled"
"test_openai_agent_with_streaming"
"test_openai_agent_tools_agent"
# This test may require a specific version of langchain-community
"test_compatible_vectorstore_documentation"
# AssertionErrors
"test_callback_handlers"
"test_generic_fake_chat_model"
# Test is outdated
"test_serializable_mapping"
"test_person"
"test_aliases_hidden"
];
pythonImportsCheck = [ "langchain" ];
passthru = {
updateScript = langchain-core.updateScript;
};
meta = {
description = "Building applications with LLMs through composability";
homepage = "https://github.com/langchain-ai/langchain";
changelog = "https://github.com/langchain-ai/langchain/releases/tag/v${version}";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ natsukium ];
mainProgram = "langchain-server";
};
}
|
