# fiftyone.operators.decorators FiftyOne operator decorators. Copyright 2017-2026, Voxel51, Inc.
[voxel51.com](https://voxel51.com/)

**Functions:** | [`coroutine_timeout`](#fiftyone.operators.decorators.coroutine_timeout)(seconds) | | |--------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------| | [`timeout`](#fiftyone.operators.decorators.timeout)(seconds) | Context manager that raises a `TimeoutError` if its body runs for longer than the given number of seconds. | | [`raise_timeout_error`](#fiftyone.operators.decorators.raise_timeout_error)(seconds) | | | [`plugins_cache`](#fiftyone.operators.decorators.plugins_cache)(func) | Decorator that returns cached function results as long as no plugins have been modified since last time. | | [`dir_state`](#fiftyone.operators.decorators.dir_state)(dirpath) | | ### fiftyone.operators.decorators.coroutine_timeout(seconds) ### fiftyone.operators.decorators.timeout(seconds: int) Context manager that raises a `TimeoutError` if its body runs for longer than the given number of seconds. Must be entered from the main thread of the main interpreter, because it installs a `SIGALRM` handler and `signal.signal()` raises a `ValueError` in any other thread. * **Parameters:** **seconds** – the timeout, in seconds ### fiftyone.operators.decorators.raise_timeout_error(seconds) ### fiftyone.operators.decorators.plugins_cache(func) Decorator that returns cached function results as long as no plugins have been modified since last time. ### fiftyone.operators.decorators.dir_state(dirpath)