_evaluate_strings() — langchain Function Reference

Architecture documentation for the _evaluate_strings() function in json_distance.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

LangChainCore→ Runnables→ _evaluate_strings() — langchain Function Reference

Dependency Diagram

graph TD
  e77d63b1_8ba5_e39d_d541_78866bbc0b02["_evaluate_strings()"]
  481593b0_ea9f_1093_bbdc_d3bd06c33d40["JsonEditDistanceEvaluator"]
  e77d63b1_8ba5_e39d_d541_78866bbc0b02 -->|defined in| 481593b0_ea9f_1093_bbdc_d3bd06c33d40
  ee287886_d81c_e9e6_156a_557c97ddb4b1["_parse_json()"]
  e77d63b1_8ba5_e39d_d541_78866bbc0b02 -->|calls| ee287886_d81c_e9e6_156a_557c97ddb4b1
  style e77d63b1_8ba5_e39d_d541_78866bbc0b02 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/parsing/json_distance.py lines 100–109

    def _evaluate_strings(
        self,
        prediction: str,
        reference: str | None = None,
        **kwargs: Any,
    ) -> dict:
        parsed = self._canonicalize(self._parse_json(prediction))
        label = self._canonicalize(self._parse_json(reference))
        distance = self._string_distance(parsed, label)
        return {"score": distance}