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AsyncFailingPrimaryModel Class — langchain Architecture

Architecture documentation for the AsyncFailingPrimaryModel class in test_model_fallback.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  2fd530da_6a3b_621d_9799_a87809a37908["AsyncFailingPrimaryModel"]
  0f829642_e361_67a1_cbca_f82839bbbd31["GenericFakeChatModel"]
  2fd530da_6a3b_621d_9799_a87809a37908 -->|extends| 0f829642_e361_67a1_cbca_f82839bbbd31
  c6372e75_e4e3_ed20_8230_4be219762f0f["test_model_fallback.py"]
  2fd530da_6a3b_621d_9799_a87809a37908 -->|defined in| c6372e75_e4e3_ed20_8230_4be219762f0f
  b6272a92_ada1_37f0_58c7_437cc1db0ff8["_agenerate()"]
  2fd530da_6a3b_621d_9799_a87809a37908 -->|method| b6272a92_ada1_37f0_58c7_437cc1db0ff8

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py lines 183–193

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

Defined In

Extends

Source

Frequently Asked Questions

What is the AsyncFailingPrimaryModel class?
AsyncFailingPrimaryModel is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py.
Where is AsyncFailingPrimaryModel defined?
AsyncFailingPrimaryModel is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py at line 183.
What does AsyncFailingPrimaryModel extend?
AsyncFailingPrimaryModel extends GenericFakeChatModel.

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