BulkAddHistory Class — langchain Architecture

Architecture documentation for the BulkAddHistory class in test_chat_history.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e["BulkAddHistory"]
  bafcb99b_bf29_77cc_2ba1_06c40c54e908["BaseChatMessageHistory"]
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e -->|extends| bafcb99b_bf29_77cc_2ba1_06c40c54e908
  bb44d82a_7f9d_8d19_baa4_96f8844d68a3["test_chat_history.py"]
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e -->|defined in| bb44d82a_7f9d_8d19_baa4_96f8844d68a3
  11459298_c42e_b20a_dd0e_4eb079234c16["__init__()"]
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e -->|method| 11459298_c42e_b20a_dd0e_4eb079234c16
  7a3e1ff0_9d2e_5680_8a98_060fc7fcba81["add_messages()"]
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e -->|method| 7a3e1ff0_9d2e_5680_8a98_060fc7fcba81
  b857d03c_63dd_64d5_f020_089b6ab4ef34["clear()"]
  902d53dc_28da_bbaf_ac69_0c2ea5a5e25e -->|method| b857d03c_63dd_64d5_f020_089b6ab4ef34

Relationship Graph

Source Code

libs/core/tests/unit_tests/chat_history/test_chat_history.py lines 46–56

    class BulkAddHistory(BaseChatMessageHistory):
        def __init__(self, *, store: list[BaseMessage]) -> None:
            self.store = store

        def add_messages(self, message: Sequence[BaseMessage]) -> None:
            """Add a message to the store."""
            self.store.extend(message)

        def clear(self) -> None:
            """Clear the store."""
            raise NotImplementedError