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collections() — langchain Function Reference

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

Function python LangChainCore Runnables

Entity Profile

Dependency Diagram

graph TD
  4fec279f_a6a6_f758_c003_7aed843971b3["collections()"]
  689eac1f_5845_440c_f60b_988968e02ee6["test_middleware_typing.py"]
  4fec279f_a6a6_f758_c003_7aed843971b3 -->|defined in| 689eac1f_5845_440c_f60b_988968e02ee6
  style 4fec279f_a6a6_f758_c003_7aed843971b3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware_typing/test_middleware_typing.py lines 37–40

    from collections.abc import Awaitable, Callable

    from langgraph.graph.state import CompiledStateGraph
    from langgraph.runtime import Runtime

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/tests/unit_tests/agents/middleware_typing/test_middleware_typing.py.
Where is collections() defined?
collections() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware_typing/test_middleware_typing.py at line 37.

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