call() — langchain Function Reference

Architecture documentation for the __call__() function in string_run_evaluator.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

LangChainCore→ Runnables→ __call__() — langchain Function Reference

Dependency Diagram

graph TD
  ea8529de_857a_cafc_0859_f6156a883f15["__call__()"]
  6513456f_be2b_21ef_06af_21023f648595["StringRunMapper"]
  ea8529de_857a_cafc_0859_f6156a883f15 -->|defined in| 6513456f_be2b_21ef_06af_21023f648595
  18ce5ec1_b967_6417_c994_9209a57f1c14["map()"]
  ea8529de_857a_cafc_0859_f6156a883f15 -->|calls| 18ce5ec1_b967_6417_c994_9209a57f1c14
  style ea8529de_857a_cafc_0859_f6156a883f15 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/smith/evaluation/string_run_evaluator.py lines 50–55

    def __call__(self, run: Run) -> dict[str, str]:
        """Maps the Run to a dictionary."""
        if not run.outputs:
            msg = f"Run {run.id} has no outputs to evaluate."
            raise ValueError(msg)
        return self.map(run)