exit() — langchain Function Reference

Architecture documentation for the __exit__() function in iter.py from the langchain codebase.

Function python Observability CallbackManager calls 1

Entity Profile

Observability→ CallbackManager→ __exit__() — langchain Function Reference

Dependency Diagram

graph TD
  0d247e9d_4ee8_34a8_b250_156521293d6f["__exit__()"]
  4f5b77f2_09bd_e403_0ad5_cd7cd96465d1["Tee"]
  0d247e9d_4ee8_34a8_b250_156521293d6f -->|defined in| 4f5b77f2_09bd_e403_0ad5_cd7cd96465d1
  441fcfb4_34ff_004c_d8c2_4c0d0745af7c["close()"]
  0d247e9d_4ee8_34a8_b250_156521293d6f -->|calls| 441fcfb4_34ff_004c_d8c2_4c0d0745af7c
  style 0d247e9d_4ee8_34a8_b250_156521293d6f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/utils/iter.py lines 182–194

    def __exit__(
        self,
        exc_type: type[BaseException] | None,
        exc_val: BaseException | None,
        exc_tb: TracebackType | None,
    ) -> Literal[False]:
        """Close all child iterators.

        Returns:
            `False` (exception not suppressed).
        """
        self.close()
        return False