_call() — langchain Function Reference

Architecture documentation for the _call() function in fake_llm.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ _call() — langchain Function Reference

Dependency Diagram

graph TD
  dfc95100_44cf_9cac_fda1_28af7d8b9952["_call()"]
  ac1a5357_b229_484a_b87c_ad5bda459438["FakeLLM"]
  dfc95100_44cf_9cac_fda1_28af7d8b9952 -->|defined in| ac1a5357_b229_484a_b87c_ad5bda459438
  style dfc95100_44cf_9cac_fda1_28af7d8b9952 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/llms/fake_llm.py lines 37–50

    def _call(
        self,
        prompt: str,
        stop: list[str] | None = None,
        run_manager: CallbackManagerForLLMRun | None = None,
        **kwargs: Any,
    ) -> str:
        if self.sequential_responses:
            return self._get_next_response_in_sequence
        if self.queries is not None:
            return self.queries[prompt]
        if stop is None:
            return "foo"
        return "bar"