lookup() — langchain Function Reference

Architecture documentation for the lookup() function in test_cache.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 1 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ lookup() — langchain Function Reference

Dependency Diagram

graph TD
  943604c8_8f9e_5476_48d9_dd5af53377b0["lookup()"]
  c7d14f62_2c61_b6b3_ebf0_2331b5ba370e["InMemoryCache"]
  943604c8_8f9e_5476_48d9_dd5af53377b0 -->|defined in| c7d14f62_2c61_b6b3_ebf0_2331b5ba370e
  2814fc9b_eaa4_bb93_1a04_d9b578eba0d5["lookup()"]
  2814fc9b_eaa4_bb93_1a04_d9b578eba0d5 -->|calls| 943604c8_8f9e_5476_48d9_dd5af53377b0
  2814fc9b_eaa4_bb93_1a04_d9b578eba0d5["lookup()"]
  943604c8_8f9e_5476_48d9_dd5af53377b0 -->|calls| 2814fc9b_eaa4_bb93_1a04_d9b578eba0d5
  style 943604c8_8f9e_5476_48d9_dd5af53377b0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/language_models/llms/test_cache.py lines 17–19

    def lookup(self, prompt: str, llm_string: str) -> RETURN_VAL_TYPE | None:
        """Look up based on `prompt` and `llm_string`."""
        return self._cache.get((prompt, llm_string), None)