invoke() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1 called by 3

Entity Profile

LangChainCore→ Runnables→ invoke() — langchain Function Reference

Dependency Diagram

graph TD
  2f3554c2_6687_e1b6_f023_84b0e33b81ed["invoke()"]
  e893b6ae_1c28_41f1_aa8b_a66d0f779312["RunnableAssign"]
  2f3554c2_6687_e1b6_f023_84b0e33b81ed -->|defined in| e893b6ae_1c28_41f1_aa8b_a66d0f779312
  41a5c6ff_cc20_776f_8f5e_75781ad046f8["invoke()"]
  41a5c6ff_cc20_776f_8f5e_75781ad046f8 -->|calls| 2f3554c2_6687_e1b6_f023_84b0e33b81ed
  6ce9420b_2f85_aad3_3e10_edb65ab7d987["invoke()"]
  6ce9420b_2f85_aad3_3e10_edb65ab7d987 -->|calls| 2f3554c2_6687_e1b6_f023_84b0e33b81ed
  62dea3ab_c5ad_9f07_f870_49252fed7180["_invoke()"]
  62dea3ab_c5ad_9f07_f870_49252fed7180 -->|calls| 2f3554c2_6687_e1b6_f023_84b0e33b81ed
  41a5c6ff_cc20_776f_8f5e_75781ad046f8["invoke()"]
  2f3554c2_6687_e1b6_f023_84b0e33b81ed -->|calls| 41a5c6ff_cc20_776f_8f5e_75781ad046f8
  style 2f3554c2_6687_e1b6_f023_84b0e33b81ed fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/passthrough.py lines 501–507

    def invoke(
        self,
        input: dict[str, Any],
        config: RunnableConfig | None = None,
        **kwargs: Any,
    ) -> dict[str, Any]:
        return self._call_with_config(self._invoke, input, config, **kwargs)