_action_agent() — langchain Function Reference

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

Function python AgentOrchestration ActionLogic

Entity Profile

AgentOrchestration→ ActionLogic→ _action_agent() — langchain Function Reference

Dependency Diagram

graph TD
  2798974b_a7a6_b802_2c65_32b1f9fbd14f["_action_agent()"]
  493d4ce4_2303_08e0_2337_2bee34fe2662["AgentExecutor"]
  2798974b_a7a6_b802_2c65_32b1f9fbd14f -->|defined in| 493d4ce4_2303_08e0_2337_2bee34fe2662
  style 2798974b_a7a6_b802_2c65_32b1f9fbd14f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/agent.py lines 1147–1158

    def _action_agent(self) -> BaseSingleActionAgent | BaseMultiActionAgent:
        """Type cast self.agent.

        If the `agent` attribute is a Runnable, it will be converted one of
        RunnableAgentType in the validate_runnable_agent root_validator.

        To support instantiating with a Runnable, here we explicitly cast the type
        to reflect the changes made in the root_validator.
        """
        if isinstance(self.agent, Runnable):
            return cast("RunnableAgentType", self.agent)
        return self.agent