validate_runnable_agent() — langchain Function Reference

Architecture documentation for the validate_runnable_agent() function in agent.py from the langchain codebase.

Function python AgentOrchestration ActionLogic

Entity Profile

AgentOrchestration→ ActionLogic→ validate_runnable_agent() — langchain Function Reference

Dependency Diagram

graph TD
  e5e1a2ff_527d_202c_645b_0554f1ecdacc["validate_runnable_agent()"]
  493d4ce4_2303_08e0_2337_2bee34fe2662["AgentExecutor"]
  e5e1a2ff_527d_202c_645b_0554f1ecdacc -->|defined in| 493d4ce4_2303_08e0_2337_2bee34fe2662
  style e5e1a2ff_527d_202c_645b_0554f1ecdacc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/agent.py lines 1112–1144

    def validate_runnable_agent(cls, values: dict) -> Any:
        """Convert runnable to agent if passed in.

        Args:
            values: Values to validate.

        Returns:
            Validated values.
        """
        agent = values.get("agent")
        if agent and isinstance(agent, Runnable):
            try:
                output_type = agent.OutputType
            except TypeError:
                multi_action = False
            except Exception:
                logger.exception("Unexpected error getting OutputType from agent")
                multi_action = False
            else:
                multi_action = output_type == list[AgentAction] | AgentFinish

            stream_runnable = values.pop("stream_runnable", True)
            if multi_action:
                values["agent"] = RunnableMultiActionAgent(
                    runnable=agent,
                    stream_runnable=stream_runnable,
                )
            else:
                values["agent"] = RunnableAgent(
                    runnable=agent,
                    stream_runnable=stream_runnable,
                )
        return values