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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
  5513b78f_4e00_49ca_1075_58c7e04830a0["before_model()"]
  a0a97dae_dd06_4c56_4ed1_6bdb075253d7["NoopTwo"]
  5513b78f_4e00_49ca_1075_58c7e04830a0 -->|defined in| a0a97dae_dd06_4c56_4ed1_6bdb075253d7
  style 5513b78f_4e00_49ca_1075_58c7e04830a0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_diagram.py lines 21–22

        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 21.

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