_load_map_rerank_chain() — langchain Function Reference

Architecture documentation for the _load_map_rerank_chain() function in loading.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ _load_map_rerank_chain() — langchain Function Reference

Dependency Diagram

graph TD
  b697154b_40c5_e27f_d5cc_7b5d3379e066["_load_map_rerank_chain()"]
  bca47bc4_997d_4fc4_b050_2e6593c54792["loading.py"]
  b697154b_40c5_e27f_d5cc_7b5d3379e066 -->|defined in| bca47bc4_997d_4fc4_b050_2e6593c54792
  style b697154b_40c5_e27f_d5cc_7b5d3379e066 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/qa_with_sources/loading.py lines 44–61

def _load_map_rerank_chain(
    llm: BaseLanguageModel,
    *,
    prompt: BasePromptTemplate = MAP_RERANK_PROMPT,
    verbose: bool = False,
    document_variable_name: str = "context",
    rank_key: str = "score",
    answer_key: str = "answer",
    **kwargs: Any,
) -> MapRerankDocumentsChain:
    llm_chain = LLMChain(llm=llm, prompt=prompt, verbose=verbose)
    return MapRerankDocumentsChain(
        llm_chain=llm_chain,
        rank_key=rank_key,
        answer_key=answer_key,
        document_variable_name=document_variable_name,
        **kwargs,
    )