_call() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase calls 2 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ _call() — langchain Function Reference

Dependency Diagram

graph TD
  cf6188b8_533c_de49_feb5_b7617d9319ea["_call()"]
  673d639d_36b0_87dd_ead9_5b65d00daaca["PairwiseStringDistanceEvalChain"]
  cf6188b8_533c_de49_feb5_b7617d9319ea -->|defined in| 673d639d_36b0_87dd_ead9_5b65d00daaca
  b38504e1_941f_08be_f726_d0f7bc1ce3fa["_call()"]
  b38504e1_941f_08be_f726_d0f7bc1ce3fa -->|calls| cf6188b8_533c_de49_feb5_b7617d9319ea
  5ca4db2b_adc2_0733_78d9_bd519d1ec89b["compute_metric()"]
  cf6188b8_533c_de49_feb5_b7617d9319ea -->|calls| 5ca4db2b_adc2_0733_78d9_bd519d1ec89b
  b38504e1_941f_08be_f726_d0f7bc1ce3fa["_call()"]
  cf6188b8_533c_de49_feb5_b7617d9319ea -->|calls| b38504e1_941f_08be_f726_d0f7bc1ce3fa
  style cf6188b8_533c_de49_feb5_b7617d9319ea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/string_distance/base.py lines 347–363

    def _call(
        self,
        inputs: dict[str, Any],
        run_manager: CallbackManagerForChainRun | None = None,
    ) -> dict[str, Any]:
        """Compute the string distance between two predictions.

        Args:
            inputs: The input values.
            run_manager: The callback manager.

        Returns:
            The evaluation results containing the score.
        """
        return {
            "score": self.compute_metric(inputs["prediction"], inputs["prediction_b"]),
        }