_construct_scratchpad() — langchain Function Reference

Architecture documentation for the _construct_scratchpad() function in base.py from the langchain codebase.

Function python AgentOrchestration ActionLogic

Entity Profile

AgentOrchestration→ ActionLogic→ _construct_scratchpad() — langchain Function Reference

Dependency Diagram

graph TD
  2afe5c6a_955b_c3e0_01d8_639bb3398225["_construct_scratchpad()"]
  b3f40ce7_80ee_f7bd_df0e_7eb84f6efab7["ChatAgent"]
  2afe5c6a_955b_c3e0_01d8_639bb3398225 -->|defined in| b3f40ce7_80ee_f7bd_df0e_7eb84f6efab7
  style 2afe5c6a_955b_c3e0_01d8_639bb3398225 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/chat/base.py lines 52–66

    def _construct_scratchpad(
        self,
        intermediate_steps: list[tuple[AgentAction, str]],
    ) -> str:
        agent_scratchpad = super()._construct_scratchpad(intermediate_steps)
        if not isinstance(agent_scratchpad, str):
            msg = "agent_scratchpad should be of type string."
            raise ValueError(msg)  # noqa: TRY004
        if agent_scratchpad:
            return (
                f"This was your previous work "
                f"(but I haven't seen any of it! I only see what "
                f"you return as final answer):\n{agent_scratchpad}"
            )
        return agent_scratchpad