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ErrorAsyncModel Class — langchain Architecture

Architecture documentation for the ErrorAsyncModel class in test_summarization.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  95ce2b20_a0fe_0de1_7f52_030165278d72["ErrorAsyncModel"]
  48aa29b8_65e7_522f_a445_a441eeb6baff["BaseChatModel"]
  95ce2b20_a0fe_0de1_7f52_030165278d72 -->|extends| 48aa29b8_65e7_522f_a445_a441eeb6baff
  1911a463_b67d_0301_5ef1_5c535dafc14a["test_summarization.py"]
  95ce2b20_a0fe_0de1_7f52_030165278d72 -->|defined in| 1911a463_b67d_0301_5ef1_5c535dafc14a
  11b65dd1_d29e_f975_c6e4_322785710e3c["_generate()"]
  95ce2b20_a0fe_0de1_7f52_030165278d72 -->|method| 11b65dd1_d29e_f975_c6e4_322785710e3c
  eb6685d5_e9c9_4759_3da2_dd613f2fb0bb["_agenerate()"]
  95ce2b20_a0fe_0de1_7f52_030165278d72 -->|method| eb6685d5_e9c9_4759_3da2_dd613f2fb0bb
  5cbe4c3a_2475_49bd_e3b0_315576021483["_llm_type()"]
  95ce2b20_a0fe_0de1_7f52_030165278d72 -->|method| 5cbe4c3a_2475_49bd_e3b0_315576021483

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py lines 904–928

    class ErrorAsyncModel(BaseChatModel):
        @override
        def _generate(
            self,
            messages: list[BaseMessage],
            stop: list[str] | None = None,
            run_manager: CallbackManagerForLLMRun | None = None,
            **kwargs: Any,
        ) -> ChatResult:
            return ChatResult(generations=[ChatGeneration(message=AIMessage(content="Summary"))])

        @override
        async def _agenerate(
            self,
            messages: list[BaseMessage],
            stop: list[str] | None = None,
            run_manager: AsyncCallbackManagerForLLMRun | None = None,
            **kwargs: Any,
        ) -> ChatResult:
            msg = "Async model error"
            raise ValueError(msg)

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

Defined In

Extends

Source

Frequently Asked Questions

What is the ErrorAsyncModel class?
ErrorAsyncModel is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py.
Where is ErrorAsyncModel defined?
ErrorAsyncModel is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_summarization.py at line 904.
What does ErrorAsyncModel extend?
ErrorAsyncModel extends BaseChatModel.

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