nemo_relay.integrations.langchain.middleware

View as Markdown

Generated from python/nemo_relay/integrations/langchain/middleware.py.

Module nemo_relay.integrations.langchain.middleware.

LangChain AgentMiddleware implementation for NeMo Relay.

Classes

NemoRelayMiddleware(AgentMiddleware)

Route LangChain agent model and tool calls through NeMo Relay.

Methods

NemoRelayMiddleware
1def NemoRelayMiddleware(*, name: str = 'NemoRelayMiddleware') -> None

Create an instance.

name
1def name() -> str

Middleware name used by LangChain graph nodes and traces.

wrap_model_call
1def wrap_model_call(request: ModelRequest[Any], handler: Callable[[ModelRequest[Any]], ModelResponse[Any]]) -> ModelResponse[Any]

Wrap a sync LangChain agent model call in NeMo Relay LLM execution.

awrap_model_call
1async def awrap_model_call(request: ModelRequest[Any], handler: Callable[[ModelRequest[Any]], Awaitable[ModelResponse[Any]]]) -> ModelResponse[Any]

Wrap an async LangChain agent model call in NeMo Relay LLM execution.

wrap_tool_call
1def wrap_tool_call(request: ToolCallRequest, handler: Callable[[ToolCallRequest], ToolMessage | Command[Any]]) -> ToolMessage | Command[Any]

Wrap a sync LangChain agent tool call in NeMo Relay tool execution.

awrap_tool_call
1async def awrap_tool_call(request: ToolCallRequest, handler: Callable[[ToolCallRequest], Awaitable[ToolMessage | Command[Any]]]) -> ToolMessage | Command[Any]

Wrap an async LangChain agent tool call in NeMo Relay tool execution.