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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
  f1bb4864_2a78_dd34_8fa3_bd00789b57cb["LoadingCallable"]
  126e029c_0ddb_5924_a546_f167037134f4["chain.py"]
  f1bb4864_2a78_dd34_8fa3_bd00789b57cb -->|defined in| 126e029c_0ddb_5924_a546_f167037134f4
  1094701d_43c0_73c9_1f61_fd4221cd8839["__call__()"]
  f1bb4864_2a78_dd34_8fa3_bd00789b57cb -->|method| 1094701d_43c0_73c9_1f61_fd4221cd8839

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/summarize/chain.py lines 25–33

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/summarize/chain.py.
Where is LoadingCallable defined?
LoadingCallable is defined in libs/langchain/langchain_classic/chains/summarize/chain.py at line 25.

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