output_keys() — langchain Function Reference

Architecture documentation for the output_keys() function in map_rerank.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ output_keys() — langchain Function Reference

Dependency Diagram

graph TD
  af780dbd_e12e_4b41_07ba_27cd9414e5e7["output_keys()"]
  ee80b7d6_d087_8cc2_13e6_51659dee89b4["MapRerankDocumentsChain"]
  af780dbd_e12e_4b41_07ba_27cd9414e5e7 -->|defined in| ee80b7d6_d087_8cc2_13e6_51659dee89b4
  style af780dbd_e12e_4b41_07ba_27cd9414e5e7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/combine_documents/map_rerank.py lines 110–117

    def output_keys(self) -> list[str]:
        """Expect input key."""
        _output_keys = super().output_keys
        if self.return_intermediate_steps:
            _output_keys = [*_output_keys, "intermediate_steps"]
        if self.metadata_keys is not None:
            _output_keys += self.metadata_keys
        return _output_keys