parse_with_prompt() — langchain Function Reference

Architecture documentation for the parse_with_prompt() function in retry.py from the langchain codebase.

Function python OutputParsing StreamingParsers calls 2 called by 1

Entity Profile

OutputParsing→ StreamingParsers→ parse_with_prompt() — langchain Function Reference

Dependency Diagram

graph TD
  9c3417b9_129b_607d_2bac_a99e15523192["parse_with_prompt()"]
  760525b3_dbb5_ba3a_41f5_a11b5f2770f7["RetryWithErrorOutputParser"]
  9c3417b9_129b_607d_2bac_a99e15523192 -->|defined in| 760525b3_dbb5_ba3a_41f5_a11b5f2770f7
  c8a39100_6a6c_a117_4c32_82d25211d598["parse_with_prompt()"]
  c8a39100_6a6c_a117_4c32_82d25211d598 -->|calls| 9c3417b9_129b_607d_2bac_a99e15523192
  c8a39100_6a6c_a117_4c32_82d25211d598["parse_with_prompt()"]
  9c3417b9_129b_607d_2bac_a99e15523192 -->|calls| c8a39100_6a6c_a117_4c32_82d25211d598
  2967f287_d0ff_f0ca_65b5_bc9442772e23["parse()"]
  9c3417b9_129b_607d_2bac_a99e15523192 -->|calls| 2967f287_d0ff_f0ca_65b5_bc9442772e23
  style 9c3417b9_129b_607d_2bac_a99e15523192 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/output_parsers/retry.py lines 234–260

    def parse_with_prompt(self, completion: str, prompt_value: PromptValue) -> T:
        retries = 0

        while retries <= self.max_retries:
            try:
                return self.parser.parse(completion)
            except OutputParserException as e:
                if retries == self.max_retries:
                    raise
                retries += 1
                if self.legacy and hasattr(self.retry_chain, "run"):
                    completion = self.retry_chain.run(
                        prompt=prompt_value.to_string(),
                        completion=completion,
                        error=repr(e),
                    )
                else:
                    completion = self.retry_chain.invoke(
                        {
                            "completion": completion,
                            "prompt": prompt_value.to_string(),
                            "error": repr(e),
                        },
                    )

        msg = "Failed to parse"
        raise OutputParserException(msg)