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langchain_core() — langchain Function Reference

Architecture documentation for the langchain_core() function in test_model_fallback.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

Dependency Diagram

graph TD
  a0a34533_7e2b_8d5f_e4e9_2de64fe5a3ed["langchain_core()"]
  c6372e75_e4e3_ed20_8230_4be219762f0f["test_model_fallback.py"]
  a0a34533_7e2b_8d5f_e4e9_2de64fe5a3ed -->|defined in| c6372e75_e4e3_ed20_8230_4be219762f0f
  style a0a34533_7e2b_8d5f_e4e9_2de64fe5a3ed fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py lines 21–22

    from langchain_core.callbacks import AsyncCallbackManagerForLLMRun, CallbackManagerForLLMRun
    from langgraph.runtime import Runtime

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does langchain_core() do?
langchain_core() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py.
Where is langchain_core() defined?
langchain_core() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_model_fallback.py at line 21.

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