def schedule_absolute(self, duetime, action, state=None):
        """Schedules an action to be executed at duetime.

        Keyword arguments:
        duetime -- {datetime} Absolute time after which to execute the action.
        action -- {Function} Action to be executed.

        Returns {Disposable} The disposable object used to cancel the scheduled
        action (best effort)."""

        duetime = self.to_datetime(duetime)
        return self.schedule_relative(duetime - self.now(), action, state)
dataset/ETHPy150Open ReactiveX/RxPY/rx/concurrency/mainloopscheduler/ioloopscheduler.py/IOLoopScheduler.schedule_absolute/original