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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
  86f9fae7_e108_800d_1e5c_be12d3e297e8["before_model()"]
  fca08ba0_2a26_fdc8_cab3_d627ae8cf86c["NoopTen"]
  86f9fae7_e108_800d_1e5c_be12d3e297e8 -->|defined in| fca08ba0_2a26_fdc8_cab3_d627ae8cf86c
  style 86f9fae7_e108_800d_1e5c_be12d3e297e8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 62–63

        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 62.

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