predict_and_parse() — langchain Function Reference

Architecture documentation for the predict_and_parse() function in llm.py from the langchain codebase.

Function python AgentOrchestration ClassicChains calls 1

Entity Profile

AgentOrchestration→ ClassicChains→ predict_and_parse() — langchain Function Reference

Dependency Diagram

graph TD
  5d7f331a_8fce_916c_b587_03a361f46ca8["predict_and_parse()"]
  ccf50fe1_4990_cf19_1e2d_25efe83f53c5["LLMChain"]
  5d7f331a_8fce_916c_b587_03a361f46ca8 -->|defined in| ccf50fe1_4990_cf19_1e2d_25efe83f53c5
  5f5923e3_49b2_3390_e650_ddc0b0cee750["predict()"]
  5d7f331a_8fce_916c_b587_03a361f46ca8 -->|calls| 5f5923e3_49b2_3390_e650_ddc0b0cee750
  style 5d7f331a_8fce_916c_b587_03a361f46ca8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/llm.py lines 334–348

    def predict_and_parse(
        self,
        callbacks: Callbacks = None,
        **kwargs: Any,
    ) -> str | list[str] | dict[str, Any]:
        """Call predict and then parse the results."""
        warnings.warn(
            "The predict_and_parse method is deprecated, "
            "instead pass an output parser directly to LLMChain.",
            stacklevel=2,
        )
        result = self.predict(callbacks=callbacks, **kwargs)
        if self.prompt.output_parser is not None:
            return self.prompt.output_parser.parse(result)
        return result