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LoadingCallable Class — langchain Architecture

Architecture documentation for the LoadingCallable class in chain.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  097c2a85_32d4_0def_a999_6859413df820["LoadingCallable"]
  860b0864_9436_83ab_1629_fa6791becd88["chain.py"]
  097c2a85_32d4_0def_a999_6859413df820 -->|defined in| 860b0864_9436_83ab_1629_fa6791becd88
  6da048b4_12f0_1e83_4ddb_6139d51968de["__call__()"]
  097c2a85_32d4_0def_a999_6859413df820 -->|method| 6da048b4_12f0_1e83_4ddb_6139d51968de

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/question_answering/chain.py lines 32–40

class LoadingCallable(Protocol):
    """Interface for loading the combine documents chain."""

    def __call__(
        self,
        llm: BaseLanguageModel,
        **kwargs: Any,
    ) -> BaseCombineDocumentsChain:
        """Callable to load the combine documents chain."""

Defined In

Source

Frequently Asked Questions

What is the LoadingCallable class?
LoadingCallable is a class in the langchain codebase, defined in libs/langchain/langchain_classic/chains/question_answering/chain.py.
Where is LoadingCallable defined?
LoadingCallable is defined in libs/langchain/langchain_classic/chains/question_answering/chain.py at line 32.

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