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
  fcbcf144_2a3e_4b2f_4316_2cee63d1a548["before_model()"]
  4d4898f8_e4aa_2d03_b34e_be44cdf91002["NoopOne"]
  fcbcf144_2a3e_4b2f_4316_2cee63d1a548 -->|defined in| 4d4898f8_e4aa_2d03_b34e_be44cdf91002
  style fcbcf144_2a3e_4b2f_4316_2cee63d1a548 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 17–18

        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 17.

Analyze Your Own Codebase

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

Try Supermodel Free