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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
  60cef6aa_23ec_7147_fd79_98a23627e419["before_model()"]
  946b01bd_a058_042b_c7de_9e3da0f70d3a["NoopEight"]
  60cef6aa_23ec_7147_fd79_98a23627e419 -->|defined in| 946b01bd_a058_042b_c7de_9e3da0f70d3a
  style 60cef6aa_23ec_7147_fd79_98a23627e419 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 48–49

        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 48.

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