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collections() — langchain Function Reference

Architecture documentation for the collections() function in model_fallback.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  a99811f9_e60b_321d_911d_e009dae580bb["collections()"]
  66325212_2762_82c6_b317_a5ec6547806c["model_fallback.py"]
  a99811f9_e60b_321d_911d_e009dae580bb -->|defined in| 66325212_2762_82c6_b317_a5ec6547806c
  style a99811f9_e60b_321d_911d_e009dae580bb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/model_fallback.py lines 18–21

    from collections.abc import Awaitable, Callable

    from langchain_core.language_models.chat_models import BaseChatModel
    from langchain_core.messages import AIMessage

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does collections() do?
collections() is a function in the langchain codebase, defined in libs/langchain_v1/langchain/agents/middleware/model_fallback.py.
Where is collections() defined?
collections() is defined in libs/langchain_v1/langchain/agents/middleware/model_fallback.py at line 18.

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