langchain Architecture Docs
Home / Function/ before_model() — langchain Function Reference

before_model() — langchain Function Reference

Architecture documentation for the before_model() function in test_diagram.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  47ab878c_c1cb_a76b_df62_3a4926f877f6["before_model()"]
  6e9f0160_7245_2670_0ef9_5d51ff262cd9["NoopThree"]
  47ab878c_c1cb_a76b_df62_3a4926f877f6 -->|defined in| 6e9f0160_7245_2670_0ef9_5d51ff262cd9
  style 47ab878c_c1cb_a76b_df62_3a4926f877f6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 25–26

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

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does before_model() do?
before_model() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py.
Where is before_model() defined?
before_model() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py at line 25.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free