input_keys() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase calls 1 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ input_keys() — langchain Function Reference

Dependency Diagram

graph TD
  4adc8139_7fdb_abc9_b48a_cc91d5bfa336["input_keys()"]
  e6333041_afe4_af13_ee74_a7ac732f022f["EmbeddingDistanceEvalChain"]
  4adc8139_7fdb_abc9_b48a_cc91d5bfa336 -->|defined in| e6333041_afe4_af13_ee74_a7ac732f022f
  b2d77581_9b1a_5afb_5480_df373f3f59f5["input_keys()"]
  b2d77581_9b1a_5afb_5480_df373f3f59f5 -->|calls| 4adc8139_7fdb_abc9_b48a_cc91d5bfa336
  b2d77581_9b1a_5afb_5480_df373f3f59f5["input_keys()"]
  4adc8139_7fdb_abc9_b48a_cc91d5bfa336 -->|calls| b2d77581_9b1a_5afb_5480_df373f3f59f5
  style 4adc8139_7fdb_abc9_b48a_cc91d5bfa336 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/evaluation/embedding_distance/base.py lines 374–380

    def input_keys(self) -> list[str]:
        """Return the input keys of the chain.

        Returns:
            The input keys.
        """
        return ["prediction", "reference"]