base_chain_builder

Base chain builder module

Attributes

Classes

BaseChainBuilder

Bases: ChainBuilder, ABC

Functions

build_prompt_from_template staticmethod

build_prompt_from_template(
    template: str,
    llm_settings: LLMSettings,
    mapper_to_str_kwargs: Dict[str, Any] | None = None,
    output_parser: BaseOutputParser | None = None,
    template_format: str = "f-string",
) -> Tuple[PromptTemplate, RunnableSerializable | None]

Builds a prompt template and a corresponding output parser based on the given template string and settings.

Parameters:

• template (str) –

  The template string for the prompt.

• llm_settings (LLMSettings) –

  The settings for the language model.

• mapper_to_str_kwargs (Dict[str, Any] | None, default: None ) –

  Additional keyword arguments for the mapper’s to_str method. Defaults to None.

• output_parser (BaseOutputParser | None, default: None ) –

  The output parser to be used. Defaults to None.

Returns:

• Tuple[PromptTemplate, RunnableSerializable | None] –

  Tuple[PromptTemplate, RunnableSerializable]: A tuple containing the prompt template and the derived output parser.