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BaseChatLoader Class — langchain Architecture

Architecture documentation for the BaseChatLoader class in chat_loaders.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  1753c78a_e8ee_4174_9212_6d7cc969f84a["BaseChatLoader"]
  d81392de_b10f_bf02_811b_cb1cf9d601c6["chat_loaders.py"]
  1753c78a_e8ee_4174_9212_6d7cc969f84a -->|defined in| d81392de_b10f_bf02_811b_cb1cf9d601c6
  608d5c45_67ef_d312_be58_e3a437525238["lazy_load()"]
  1753c78a_e8ee_4174_9212_6d7cc969f84a -->|method| 608d5c45_67ef_d312_be58_e3a437525238
  bf5a0dd7_948f_8f04_902a_4098843c2f40["load()"]
  1753c78a_e8ee_4174_9212_6d7cc969f84a -->|method| bf5a0dd7_948f_8f04_902a_4098843c2f40

Relationship Graph

Source Code

libs/core/langchain_core/chat_loaders.py lines 9–26

class BaseChatLoader(ABC):
    """Base class for chat loaders."""

    @abstractmethod
    def lazy_load(self) -> Iterator[ChatSession]:
        """Lazy load the chat sessions.

        Returns:
            An iterator of chat sessions.
        """

    def load(self) -> list[ChatSession]:
        """Eagerly load the chat sessions into memory.

        Returns:
            A list of chat sessions.
        """
        return list(self.lazy_load())

Defined In

Source

Frequently Asked Questions

What is the BaseChatLoader class?
BaseChatLoader is a class in the langchain codebase, defined in libs/core/langchain_core/chat_loaders.py.
Where is BaseChatLoader defined?
BaseChatLoader is defined in libs/core/langchain_core/chat_loaders.py at line 9.

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