close() — langchain Function Reference

Architecture documentation for the close() function in file.py from the langchain codebase.

Function python Observability TelemetryUtilities called by 2

Entity Profile

Observability→ TelemetryUtilities→ close() — langchain Function Reference

Dependency Diagram

graph TD
  058233c7_477a_615d_9e9f_5e460cb44480["close()"]
  52737fd4_dd58_4289_8b70_0131f09b23a5["FileCallbackHandler"]
  058233c7_477a_615d_9e9f_5e460cb44480 -->|defined in| 52737fd4_dd58_4289_8b70_0131f09b23a5
  e685f441_7119_0c6f_379f_99e5eb8810e4["__exit__()"]
  e685f441_7119_0c6f_379f_99e5eb8810e4 -->|calls| 058233c7_477a_615d_9e9f_5e460cb44480
  937c0be3_e5b8_a966_b552_24b8e135a89f["__del__()"]
  937c0be3_e5b8_a966_b552_24b8e135a89f -->|calls| 058233c7_477a_615d_9e9f_5e460cb44480
  style 058233c7_477a_615d_9e9f_5e460cb44480 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/file.py lines 116–124

    def close(self) -> None:
        """Close the file if it's open.

        This method is safe to call multiple times and will only close
        the file if it's currently open.

        """
        if hasattr(self, "file") and self.file and not self.file.closed:
            self.file.close()