add() — langchain Function Reference

Architecture documentation for the __add__() function in utils.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ __add__() — langchain Function Reference

Dependency Diagram

graph TD
  65b6269b_6819_ece6_ab09_9a570355172a["__add__()"]
  0872c285_c740_9d41_66b5_242bfb967e97["AddableDict"]
  65b6269b_6819_ece6_ab09_9a570355172a -->|defined in| 0872c285_c740_9d41_66b5_242bfb967e97
  style 65b6269b_6819_ece6_ab09_9a570355172a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/utils.py lines 469–488

    def __add__(self, other: AddableDict) -> AddableDict:
        """Add a dictionary to this dictionary.

        Args:
            other: The other dictionary to add.

        Returns:
            A dictionary that is the result of adding the two dictionaries.
        """
        chunk = AddableDict(self)
        for key in other:
            if key not in chunk or chunk[key] is None:
                chunk[key] = other[key]
            elif other[key] is not None:
                try:
                    added = chunk[key] + other[key]
                except TypeError:
                    added = other[key]
                chunk[key] = added
        return chunk