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DummyLLM Class — langchain Architecture

Architecture documentation for the DummyLLM class in test_conversation.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  f7baad7f_82a2_2b43_5806_277080f263f3["DummyLLM"]
  b2c7d2a5_0852_93df_c3e1_828c36a88999["LLM"]
  f7baad7f_82a2_2b43_5806_277080f263f3 -->|extends| b2c7d2a5_0852_93df_c3e1_828c36a88999
  bad7138b_753c_8c4e_915e_8bf58ada3cec["test_conversation.py"]
  f7baad7f_82a2_2b43_5806_277080f263f3 -->|defined in| bad7138b_753c_8c4e_915e_8bf58ada3cec
  93974e1e_8003_3f7c_7bca_8e7952d87cc0["__init__()"]
  f7baad7f_82a2_2b43_5806_277080f263f3 -->|method| 93974e1e_8003_3f7c_7bca_8e7952d87cc0
  dfde6ef1_8400_4d58_432d_57c4f0c476c8["_llm_type()"]
  f7baad7f_82a2_2b43_5806_277080f263f3 -->|method| dfde6ef1_8400_4d58_432d_57c4f0c476c8
  ba130edb_97d0_8bfa_3fda_400337040463["_call()"]
  f7baad7f_82a2_2b43_5806_277080f263f3 -->|method| ba130edb_97d0_8bfa_3fda_400337040463

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/chains/test_conversation.py lines 20–39

class DummyLLM(LLM):
    last_prompt: str = ""

    def __init__(self, **kwargs: Any):
        super().__init__(**kwargs)

    @property
    def _llm_type(self) -> str:
        return "dummy"

    @override
    def _call(
        self,
        prompt: str,
        stop: list[str] | None = None,
        run_manager: CallbackManagerForLLMRun | None = None,
        **kwargs: Any,
    ) -> str:
        self.last_prompt = prompt
        return "dummy"

Defined In

Extends

Source

Frequently Asked Questions

What is the DummyLLM class?
DummyLLM is a class in the langchain codebase, defined in libs/langchain/tests/unit_tests/chains/test_conversation.py.
Where is DummyLLM defined?
DummyLLM is defined in libs/langchain/tests/unit_tests/chains/test_conversation.py at line 20.
What does DummyLLM extend?
DummyLLM extends LLM.

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