Class BackgroundTask

starlette/background.py:12–23

class BackgroundTask:
    def __init__(self, func: Callable[P, Any], *args: P.args, **kwargs: P.kwargs) -> None:
        self.func = func
        self.args = args
        self.kwargs = kwargs
        self.is_async = is_async_callable(func)

    async def __call__(self) -> None:
        if self.is_async:
            await self.func(*self.args, **self.kwargs)
        else:
            await run_in_threadpool(self.func, *self.args, **self.kwargs)


class BackgroundTasks(BackgroundTask):