_construct_scratchpad() — langchain Function Reference

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

Function python AgentOrchestration ToolInterface

Entity Profile

AgentOrchestration→ ToolInterface→ _construct_scratchpad() — langchain Function Reference

Dependency Diagram

graph TD
  b386edf5_a650_8b71_2e10_b6329c9f0984["_construct_scratchpad()"]
  826e6477_6abe_d406_5d34_9df3fbec8707["StructuredChatAgent"]
  b386edf5_a650_8b71_2e10_b6329c9f0984 -->|defined in| 826e6477_6abe_d406_5d34_9df3fbec8707
  style b386edf5_a650_8b71_2e10_b6329c9f0984 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/structured_chat/base.py lines 57–71

    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