input_keys() — langchain Function Reference

Architecture documentation for the input_keys() function in stuff.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ input_keys() — langchain Function Reference

Dependency Diagram

graph TD
  8ae97478_71e8_9077_d2bb_45bdcb4af8e6["input_keys()"]
  2d0480d1_fbf6_c0df_d443_92c8437d1fff["StuffDocumentsChain"]
  8ae97478_71e8_9077_d2bb_45bdcb4af8e6 -->|defined in| 2d0480d1_fbf6_c0df_d443_92c8437d1fff
  style 8ae97478_71e8_9077_d2bb_45bdcb4af8e6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/combine_documents/stuff.py lines 195–199

    def input_keys(self) -> list[str]:
        extra_keys = [
            k for k in self.llm_chain.input_keys if k != self.document_variable_name
        ]
        return super().input_keys + extra_keys