_take_next_step() — langchain Function Reference

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

Function python AgentOrchestration AgentExcecutor calls 2 called by 1

Entity Profile

AgentOrchestration→ AgentExcecutor→ _take_next_step() — langchain Function Reference

Dependency Diagram

graph TD
  37c42b3f_8517_1cf2_c825_b42e1f600be2["_take_next_step()"]
  ec1d7866_e6a8_7cbe_b150_f82463cf2c7f["AgentExecutor"]
  37c42b3f_8517_1cf2_c825_b42e1f600be2 -->|defined in| ec1d7866_e6a8_7cbe_b150_f82463cf2c7f
  57ca57d7_9f7c_b17a_52ef_4ff0afd3568a["_call()"]
  57ca57d7_9f7c_b17a_52ef_4ff0afd3568a -->|calls| 37c42b3f_8517_1cf2_c825_b42e1f600be2
  09b83002_e8e5_6087_eb53_02549c07dbb4["_consume_next_step()"]
  37c42b3f_8517_1cf2_c825_b42e1f600be2 -->|calls| 09b83002_e8e5_6087_eb53_02549c07dbb4
  9dcff3d2_e93f_4d1d_86be_c6326804d56b["_iter_next_step()"]
  37c42b3f_8517_1cf2_c825_b42e1f600be2 -->|calls| 9dcff3d2_e93f_4d1d_86be_c6326804d56b
  style 37c42b3f_8517_1cf2_c825_b42e1f600be2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/agent.py lines 1281–1299

    def _take_next_step(
        self,
        name_to_tool_map: dict[str, BaseTool],
        color_mapping: dict[str, str],
        inputs: dict[str, str],
        intermediate_steps: list[tuple[AgentAction, str]],
        run_manager: CallbackManagerForChainRun | None = None,
    ) -> AgentFinish | list[tuple[AgentAction, str]]:
        return self._consume_next_step(
            list(
                self._iter_next_step(
                    name_to_tool_map,
                    color_mapping,
                    inputs,
                    intermediate_steps,
                    run_manager,
                ),
            ),
        )