metric() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase calls 1 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ metric() — langchain Function Reference

Dependency Diagram

graph TD
  49290d01_62f4_4e49_fdf7_9c4174a4ba2e["metric()"]
  5c42d4f5_4dcc_bdad_cf78_f643b26ab2eb["_RapidFuzzChainMixin"]
  49290d01_62f4_4e49_fdf7_9c4174a4ba2e -->|defined in| 5c42d4f5_4dcc_bdad_cf78_f643b26ab2eb
  5ca4db2b_adc2_0733_78d9_bd519d1ec89b["compute_metric()"]
  5ca4db2b_adc2_0733_78d9_bd519d1ec89b -->|calls| 49290d01_62f4_4e49_fdf7_9c4174a4ba2e
  47ea03f1_ae34_6c9b_8db7_6adf9d7fb807["_get_metric()"]
  49290d01_62f4_4e49_fdf7_9c4174a4ba2e -->|calls| 47ea03f1_ae34_6c9b_8db7_6adf9d7fb807
  style 49290d01_62f4_4e49_fdf7_9c4174a4ba2e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/string_distance/base.py lines 141–150

    def metric(self) -> Callable:
        """Get the distance metric function.

        Returns:
            The distance metric function.
        """
        return _RapidFuzzChainMixin._get_metric(
            self.distance,
            normalize_score=self.normalize_score,
        )