_arun() — langchain Function Reference

Architecture documentation for the _arun() function in tools.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ _arun() — langchain Function Reference

Dependency Diagram

graph TD
  2548f89c_fb13_5aef_01f6_2dc696a6bcc2["_arun()"]
  1fa17fb9_bf5e_55fe_17f6_d2a92f558f45["InvalidTool"]
  2548f89c_fb13_5aef_01f6_2dc696a6bcc2 -->|defined in| 1fa17fb9_bf5e_55fe_17f6_d2a92f558f45
  style 2548f89c_fb13_5aef_01f6_2dc696a6bcc2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/tools.py lines 34–45

    async def _arun(
        self,
        requested_tool_name: str,
        available_tool_names: list[str],
        run_manager: AsyncCallbackManagerForToolRun | None = None,
    ) -> str:
        """Use the tool asynchronously."""
        available_tool_names_str = ", ".join(list(available_tool_names))
        return (
            f"{requested_tool_name} is not a valid tool, "
            f"try one of [{available_tool_names_str}]."
        )