apply_and_parse() — langchain Function Reference

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

Function python AgentOrchestration ClassicChains calls 2

Entity Profile

AgentOrchestration→ ClassicChains→ apply_and_parse() — langchain Function Reference

Dependency Diagram

graph TD
  f8ca5dfd_cddf_f131_0f5b_583f692271a4["apply_and_parse()"]
  ccf50fe1_4990_cf19_1e2d_25efe83f53c5["LLMChain"]
  f8ca5dfd_cddf_f131_0f5b_583f692271a4 -->|defined in| ccf50fe1_4990_cf19_1e2d_25efe83f53c5
  be1cf4da_b223_486d_abea_864bf732bbc6["apply()"]
  f8ca5dfd_cddf_f131_0f5b_583f692271a4 -->|calls| be1cf4da_b223_486d_abea_864bf732bbc6
  22d92363_f085_3c47_b309_2c3eddeabdb4["_parse_generation()"]
  f8ca5dfd_cddf_f131_0f5b_583f692271a4 -->|calls| 22d92363_f085_3c47_b309_2c3eddeabdb4
  style f8ca5dfd_cddf_f131_0f5b_583f692271a4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/llm.py lines 366–378

    def apply_and_parse(
        self,
        input_list: list[dict[str, Any]],
        callbacks: Callbacks = None,
    ) -> Sequence[str | list[str] | dict[str, str]]:
        """Call apply and then parse the results."""
        warnings.warn(
            "The apply_and_parse method is deprecated, "
            "instead pass an output parser directly to LLMChain.",
            stacklevel=2,
        )
        result = self.apply(input_list, callbacks=callbacks)
        return self._parse_generation(result)