init() — langchain Function Reference

Architecture documentation for the __init__() function in passthrough.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ __init__() — langchain Function Reference

Dependency Diagram

graph TD
  fc5d9db1_1b2a_b17d_5b0f_e29612886d67["__init__()"]
  e893b6ae_1c28_41f1_aa8b_a66d0f779312["RunnableAssign"]
  fc5d9db1_1b2a_b17d_5b0f_e29612886d67 -->|defined in| e893b6ae_1c28_41f1_aa8b_a66d0f779312
  style fc5d9db1_1b2a_b17d_5b0f_e29612886d67 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/passthrough.py lines 394–401

    def __init__(self, mapper: RunnableParallel[dict[str, Any]], **kwargs: Any) -> None:
        """Create a `RunnableAssign`.

        Args:
            mapper: A `RunnableParallel` instance that will be used to transform the
                input dictionary.
        """
        super().__init__(mapper=mapper, **kwargs)