SuccessModel Class — langchain Architecture
Architecture documentation for the SuccessModel class in test_model_fallback.py from the langchain codebase.
Entity Profile
Dependency Diagram
graph TD 460bb212_ebeb_dff9_a888_4a137b21b762["SuccessModel"] 48aa29b8_65e7_522f_a445_a441eeb6baff["BaseChatModel"] 460bb212_ebeb_dff9_a888_4a137b21b762 -->|extends| 48aa29b8_65e7_522f_a445_a441eeb6baff c6372e75_e4e3_ed20_8230_4be219762f0f["test_model_fallback.py"] 460bb212_ebeb_dff9_a888_4a137b21b762 -->|defined in| c6372e75_e4e3_ed20_8230_4be219762f0f 55f96eee_a4c1_a3e2_aea3_c34a62da5aa8["_generate()"] 460bb212_ebeb_dff9_a888_4a137b21b762 -->|method| 55f96eee_a4c1_a3e2_aea3_c34a62da5aa8 3e0a7152_48fa_6124_f7ac_b521bb88ae34["_llm_type()"] 460bb212_ebeb_dff9_a888_4a137b21b762 -->|method| 3e0a7152_48fa_6124_f7ac_b521bb88ae34
Relationship Graph
Source Code
libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py lines 296–313
class SuccessModel(BaseChatModel):
"""Model that succeeds."""
@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="Fallback success"))]
)
@property
def _llm_type(self) -> str:
return "success"Defined In
Extends
Source
Frequently Asked Questions
What is the SuccessModel class?
SuccessModel is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py.
Where is SuccessModel defined?
SuccessModel is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py at line 296.
What does SuccessModel extend?
SuccessModel extends BaseChatModel.
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