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MultiModelRetryMiddleware Class — langchain Architecture

Architecture documentation for the MultiModelRetryMiddleware class in test_wrap_model_call.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  3ad8ffee_d7b0_1687_b690_2b34a944e90a["MultiModelRetryMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  3ad8ffee_d7b0_1687_b690_2b34a944e90a -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  573473e5_eb93_a7d7_84ba_c975071c09af["test_wrap_model_call.py"]
  3ad8ffee_d7b0_1687_b690_2b34a944e90a -->|defined in| 573473e5_eb93_a7d7_84ba_c975071c09af
  099f9888_8f0b_aaad_a181_6733d660aeb8["wrap_model_call()"]
  3ad8ffee_d7b0_1687_b690_2b34a944e90a -->|method| 099f9888_8f0b_aaad_a181_6733d660aeb8

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py lines 1564–1575

        class MultiModelRetryMiddleware(AgentMiddleware):
            def wrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], ModelResponse],
            ) -> ModelCallResult:
                attempts.append("first-attempt")
                try:
                    return handler(request)
                except Exception:
                    attempts.append("retry-attempt")
                    return handler(request)

Defined In

Extends

Source

Frequently Asked Questions

What is the MultiModelRetryMiddleware class?
MultiModelRetryMiddleware is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py.
Where is MultiModelRetryMiddleware defined?
MultiModelRetryMiddleware is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py at line 1564.
What does MultiModelRetryMiddleware extend?
MultiModelRetryMiddleware extends AgentMiddleware.

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