pydantic_copy() — langchain Function Reference

Architecture documentation for the pydantic_copy() function in _compat.py from the langchain codebase.

Function python CoreAbstractions RunnableInterface

Entity Profile

CoreAbstractions→ RunnableInterface→ pydantic_copy() — langchain Function Reference

Dependency Diagram

graph TD
  215cfce1_e136_f082_932b_222f632c4797["pydantic_copy()"]
  75bf479b_1332_0b5c_5710_656c22821d19["_compat.py"]
  215cfce1_e136_f082_932b_222f632c4797 -->|defined in| 75bf479b_1332_0b5c_5710_656c22821d19
  style 215cfce1_e136_f082_932b_222f632c4797 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/tracers/_compat.py lines 83–95

def pydantic_copy(obj: T, **kwargs: Any) -> T:
    """Copy any Pydantic model, compatible with both v1 and v2.

    Args:
        obj: The Pydantic model to copy.
        **kwargs: Additional arguments passed to `model_copy`/`copy`.

    Returns:
        A copy of the model.
    """
    if _RUN_IS_PYDANTIC_V2:
        return obj.model_copy(**kwargs)  # type: ignore[attr-defined,no-any-return]
    return obj.copy(**kwargs)  # type: ignore[attr-defined,no-any-return]