OutputType() — langchain Function Reference

Architecture documentation for the OutputType() function in base.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

LangChainCore→ Runnables→ OutputType() — langchain Function Reference

Dependency Diagram

graph TD
  3159e045_8aa5_8375_e0ee_1bcff15b1e3d["OutputType()"]
  8e601be2_5eac_8426_f30d_f1ed37138bd8["RunnableGenerator"]
  3159e045_8aa5_8375_e0ee_1bcff15b1e3d -->|defined in| 8e601be2_5eac_8426_f30d_f1ed37138bd8
  fe5e92ef_6b27_0e9e_cba6_4e5b13a118db["OutputType()"]
  3159e045_8aa5_8375_e0ee_1bcff15b1e3d -->|calls| fe5e92ef_6b27_0e9e_cba6_4e5b13a118db
  style 3159e045_8aa5_8375_e0ee_1bcff15b1e3d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 4271–4281

    def OutputType(self) -> Any:
        func = getattr(self, "_transform", None) or self._atransform
        try:
            sig = inspect.signature(func)
            return (
                getattr(sig.return_annotation, "__args__", (Any,))[0]
                if sig.return_annotation != inspect.Signature.empty
                else Any
            )
        except ValueError:
            return Any