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requires_reference() — langchain Function Reference

Architecture documentation for the requires_reference() function in eval_chain.py from the langchain codebase.

Function python LangChainCore ApiManagement calls 1 called by 1

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Dependency Diagram

graph TD
  8437f2fd_922f_56fb_f66c_d2e141b06788["requires_reference()"]
  6b783916_2e41_8d2a_dba2_81813096b7c4["ContextQAEvalChain"]
  8437f2fd_922f_56fb_f66c_d2e141b06788 -->|defined in| 6b783916_2e41_8d2a_dba2_81813096b7c4
  28263549_027c_2f6d_5b88_2576ceacc900["requires_reference()"]
  28263549_027c_2f6d_5b88_2576ceacc900 -->|calls| 8437f2fd_922f_56fb_f66c_d2e141b06788
  28263549_027c_2f6d_5b88_2576ceacc900["requires_reference()"]
  8437f2fd_922f_56fb_f66c_d2e141b06788 -->|calls| 28263549_027c_2f6d_5b88_2576ceacc900
  style 8437f2fd_922f_56fb_f66c_d2e141b06788 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain/langchain_classic/evaluation/qa/eval_chain.py lines 228–230

    def requires_reference(self) -> bool:
        """Whether the chain requires a reference string."""
        return True

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Frequently Asked Questions

What does requires_reference() do?
requires_reference() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/evaluation/qa/eval_chain.py.
Where is requires_reference() defined?
requires_reference() is defined in libs/langchain/langchain_classic/evaluation/qa/eval_chain.py at line 228.
What does requires_reference() call?
requires_reference() calls 1 function(s): requires_reference.
What calls requires_reference()?
requires_reference() is called by 1 function(s): requires_reference.

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