abefore_agent() — langchain Function Reference

Architecture documentation for the abefore_agent() function in test_framework.py from the langchain codebase.

Function python LangChainCore ApiManagement called by 1

Entity Profile

LangChainCore→ ApiManagement→ abefore_agent() — langchain Function Reference

Dependency Diagram

graph TD
  dc05ca59_23b5_cbf7_ea94_ff774cf0fc5a["abefore_agent()"]
  162efaa4_ef41_10af_b2b7_3ff2e1c0727c["AsyncCustomMiddleware"]
  dc05ca59_23b5_cbf7_ea94_ff774cf0fc5a -->|defined in| 162efaa4_ef41_10af_b2b7_3ff2e1c0727c
  05e1929f_e974_6405_7ed0_3f3f64215f33["test_hook_with_class_inheritance()"]
  05e1929f_e974_6405_7ed0_3f3f64215f33 -->|calls| dc05ca59_23b5_cbf7_ea94_ff774cf0fc5a
  style dc05ca59_23b5_cbf7_ea94_ff774cf0fc5a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_framework.py lines 837–842

            async def abefore_agent(
                self, state: AgentState[Any], runtime: Runtime
            ) -> dict[str, Any] | None:
                if hook_type == "before":
                    execution_log.append("hook_called")
                return None