_aevaluate_strings() — langchain Function Reference

Architecture documentation for the _aevaluate_strings() function in eval_chain.py from the langchain codebase.

Function python LangChainCore MessageInterface calls 3 called by 1

Entity Profile

LangChainCore→ MessageInterface→ _aevaluate_strings() — langchain Function Reference

Dependency Diagram

graph TD
  7a5c12d7_b3b4_1088_a716_41cad10390dc["_aevaluate_strings()"]
  6b783916_2e41_8d2a_dba2_81813096b7c4["ContextQAEvalChain"]
  7a5c12d7_b3b4_1088_a716_41cad10390dc -->|defined in| 6b783916_2e41_8d2a_dba2_81813096b7c4
  0279c918_e577_ce74_974d_bdaf572cb688["_aevaluate_strings()"]
  0279c918_e577_ce74_974d_bdaf572cb688 -->|calls| 7a5c12d7_b3b4_1088_a716_41cad10390dc
  a793cd45_183a_2ae3_7247_435d172fa959["_prepare_output()"]
  7a5c12d7_b3b4_1088_a716_41cad10390dc -->|calls| a793cd45_183a_2ae3_7247_435d172fa959
  0279c918_e577_ce74_974d_bdaf572cb688["_aevaluate_strings()"]
  7a5c12d7_b3b4_1088_a716_41cad10390dc -->|calls| 0279c918_e577_ce74_974d_bdaf572cb688
  c8ae767c_58c1_d764_8793_0d3dfcb69a27["_prepare_output()"]
  7a5c12d7_b3b4_1088_a716_41cad10390dc -->|calls| c8ae767c_58c1_d764_8793_0d3dfcb69a27
  style 7a5c12d7_b3b4_1088_a716_41cad10390dc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/qa/eval_chain.py lines 332–347

    async def _aevaluate_strings(
        self,
        *,
        prediction: str,
        reference: str | None = None,
        input: str | None = None,
        callbacks: Callbacks = None,
        include_run_info: bool = False,
        **kwargs: Any,
    ) -> dict:
        result = await self.acall(
            inputs={"query": input, "context": reference, "result": prediction},
            callbacks=callbacks,
            include_run_info=include_run_info,
        )
        return self._prepare_output(result)