invoke() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ invoke() — langchain Function Reference

Dependency Diagram

graph TD
  db136234_689c_bc2f_5ada_ad2ff0ae39dd["invoke()"]
  6473ec22_7b2d_1932_91b1_a6ffb310bf14["FakeRunnableSerializable"]
  db136234_689c_bc2f_5ada_ad2ff0ae39dd -->|defined in| 6473ec22_7b2d_1932_91b1_a6ffb310bf14
  fb618d44_c03b_ea8b_385b_2278dfb173d4["invoke()"]
  fb618d44_c03b_ea8b_385b_2278dfb173d4 -->|calls| db136234_689c_bc2f_5ada_ad2ff0ae39dd
  fb618d44_c03b_ea8b_385b_2278dfb173d4["invoke()"]
  db136234_689c_bc2f_5ada_ad2ff0ae39dd -->|calls| fb618d44_c03b_ea8b_385b_2278dfb173d4
  style db136234_689c_bc2f_5ada_ad2ff0ae39dd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/runnables/test_runnable.py lines 200–206

    def invoke(
        self,
        input: str,
        config: RunnableConfig | None = None,
        **kwargs: Any,
    ) -> int:
        return len(input)