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clear() — langchain Function Reference

Architecture documentation for the clear() function in chat_history.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 1 called by 2

Entity Profile

Dependency Diagram

graph TD
  155354e7_2975_a5b8_c6f7_34c53a36f6f5["clear()"]
  172321af_58bf_4793_da29_9eb028a48761["InMemoryChatMessageHistory"]
  155354e7_2975_a5b8_c6f7_34c53a36f6f5 -->|defined in| 172321af_58bf_4793_da29_9eb028a48761
  1a133819_288e_c6bf_e5a7_e1eb524d154e["clear()"]
  1a133819_288e_c6bf_e5a7_e1eb524d154e -->|calls| 155354e7_2975_a5b8_c6f7_34c53a36f6f5
  ab857f6e_1c4c_77ed_f91e_a23c51c57fd5["aclear()"]
  ab857f6e_1c4c_77ed_f91e_a23c51c57fd5 -->|calls| 155354e7_2975_a5b8_c6f7_34c53a36f6f5
  1a133819_288e_c6bf_e5a7_e1eb524d154e["clear()"]
  155354e7_2975_a5b8_c6f7_34c53a36f6f5 -->|calls| 1a133819_288e_c6bf_e5a7_e1eb524d154e
  style 155354e7_2975_a5b8_c6f7_34c53a36f6f5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/chat_history.py lines 240–242

    def clear(self) -> None:
        """Clear all messages from the store."""
        self.messages = []

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Defined In

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Frequently Asked Questions

What does clear() do?
clear() is a function in the langchain codebase, defined in libs/core/langchain_core/chat_history.py.
Where is clear() defined?
clear() is defined in libs/core/langchain_core/chat_history.py at line 240.
What does clear() call?
clear() calls 1 function(s): clear.
What calls clear()?
clear() is called by 2 function(s): aclear, clear.

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