deps() — langchain Function Reference

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

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ deps() — langchain Function Reference

Dependency Diagram

graph TD
  07af836b_2e26_2328_e13d_fb34607b1afa["deps()"]
  c6a370e4_a02a_c56a_38eb_7ca734dcbfea["RunnableLambda"]
  07af836b_2e26_2328_e13d_fb34607b1afa -->|defined in| c6a370e4_a02a_c56a_38eb_7ca734dcbfea
  style 07af836b_2e26_2328_e13d_fb34607b1afa fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 4764–4785

    def deps(self) -> list[Runnable]:
        """The dependencies of this `Runnable`.

        Returns:
            The dependencies of this `Runnable`. If the function has nonlocal
            variables that are `Runnable`s, they are considered dependencies.

        """
        if hasattr(self, "func"):
            objects = get_function_nonlocals(self.func)
        elif hasattr(self, "afunc"):
            objects = get_function_nonlocals(self.afunc)
        else:
            objects = []

        deps: list[Runnable] = []
        for obj in objects:
            if isinstance(obj, Runnable):
                deps.append(obj)
            elif isinstance(getattr(obj, "__self__", None), Runnable):
                deps.append(obj.__self__)
        return deps