NoopNine Class — langchain Architecture

Architecture documentation for the NoopNine class in test_diagram.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  c06e41bc_23d4_8609_433f_7f0335c44457["NoopNine"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  c06e41bc_23d4_8609_433f_7f0335c44457 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  87b60055_d0b8_cd04_16da_a7006bf322d0["test_diagram.py"]
  c06e41bc_23d4_8609_433f_7f0335c44457 -->|defined in| 87b60055_d0b8_cd04_16da_a7006bf322d0
  8dee6acb_97a5_c508_ecb6_f5aa2ce9ebba["before_model()"]
  c06e41bc_23d4_8609_433f_7f0335c44457 -->|method| 8dee6acb_97a5_c508_ecb6_f5aa2ce9ebba
  a588d457_81d3_19c8_96f4_ca8124a70236["after_model()"]
  c06e41bc_23d4_8609_433f_7f0335c44457 -->|method| a588d457_81d3_19c8_96f4_ca8124a70236

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 54–59

    class NoopNine(AgentMiddleware):
        def before_model(self, state: AgentState[Any], runtime: Runtime[None]) -> None:
            pass

        def after_model(self, state: AgentState[Any], runtime: Runtime[None]) -> None:
            pass