NoopZero Class — langchain Architecture

Architecture documentation for the NoopZero class in test_framework.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  9273b6e4_1831_711f_cd8d_6a3b85ae11a8["NoopZero"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  9273b6e4_1831_711f_cd8d_6a3b85ae11a8 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  8310d669_2524_e019_e333_8473b50a4990["test_framework.py"]
  9273b6e4_1831_711f_cd8d_6a3b85ae11a8 -->|defined in| 8310d669_2524_e019_e333_8473b50a4990
  1ce8d842_781b_35a8_8aae_44bd2c3e3f46["before_agent()"]
  9273b6e4_1831_711f_cd8d_6a3b85ae11a8 -->|method| 1ce8d842_781b_35a8_8aae_44bd2c3e3f46

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_framework.py lines 225–228

    class NoopZero(AgentMiddleware):
        @hook_config(can_jump_to=["end"])
        def before_agent(self, state: AgentState[Any], runtime: Runtime) -> None:
            return None