InnerMiddleware Class — langchain Architecture

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

Class python

Entity Profile

Dependency Diagram

graph TD
  cba2695b_8fb8_457e_fc82_2a46bc1f2192["InnerMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  cba2695b_8fb8_457e_fc82_2a46bc1f2192 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  573473e5_eb93_a7d7_84ba_c975071c09af["test_wrap_model_call.py"]
  cba2695b_8fb8_457e_fc82_2a46bc1f2192 -->|defined in| 573473e5_eb93_a7d7_84ba_c975071c09af
  d6cdfa31_f816_f749_730b_9d1c6f1806e1["wrap_model_call()"]
  cba2695b_8fb8_457e_fc82_2a46bc1f2192 -->|method| d6cdfa31_f816_f749_730b_9d1c6f1806e1

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py lines 696–705

        class InnerMiddleware(AgentMiddleware):
            def wrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], ModelResponse],
            ) -> ModelCallResult:
                execution_order.append("inner-before")
                response = handler(request)
                execution_order.append("inner-after")
                return response