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
  6a5cb03c_7091_41c8_72de_f1297f83d2ee["__init__()"]
  8b44d2a6_6c89_4ea1_b8c7_64e60123bbbe["RunnablePick"]
  6a5cb03c_7091_41c8_72de_f1297f83d2ee -->|defined in| 8b44d2a6_6c89_4ea1_b8c7_64e60123bbbe
  style 6a5cb03c_7091_41c8_72de_f1297f83d2ee fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/passthrough.py lines 710–716

    def __init__(self, keys: str | list[str], **kwargs: Any) -> None:
        """Create a `RunnablePick`.

        Args:
            keys: A single key or a list of keys to pick from the input dictionary.
        """
        super().__init__(keys=keys, **kwargs)