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ContextEdit Class — langchain Architecture

Architecture documentation for the ContextEdit class in context_editing.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  2262afd8_6429_0a5f_33b7_2affd1cf9410["ContextEdit"]
  4055d589_37db_876d_2f46_94061df76932["context_editing.py"]
  2262afd8_6429_0a5f_33b7_2affd1cf9410 -->|defined in| 4055d589_37db_876d_2f46_94061df76932
  eb1539c1_1bd9_cd97_dcd3_ca4a0fa011f2["apply()"]
  2262afd8_6429_0a5f_33b7_2affd1cf9410 -->|method| eb1539c1_1bd9_cd97_dcd3_ca4a0fa011f2

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/context_editing.py lines 44–54

class ContextEdit(Protocol):
    """Protocol describing a context editing strategy."""

    def apply(
        self,
        messages: list[AnyMessage],
        *,
        count_tokens: TokenCounter,
    ) -> None:
        """Apply an edit to the message list in place."""
        ...

Defined In

Source

Frequently Asked Questions

What is the ContextEdit class?
ContextEdit is a class in the langchain codebase, defined in libs/langchain_v1/langchain/agents/middleware/context_editing.py.
Where is ContextEdit defined?
ContextEdit is defined in libs/langchain_v1/langchain/agents/middleware/context_editing.py at line 44.

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