✏️ Editing: _timeout.py Read Only

from asyncio import Future
from datetime import datetime
from typing import Any, Callable, Optional, TypeVar, Union

from reactivex import Observable, abc, from_future, throw, typing
from reactivex.disposable import (
    CompositeDisposable,
    SerialDisposable,
    SingleAssignmentDisposable,
)
from reactivex.scheduler import TimeoutScheduler

_T = TypeVar("_T")

def timeout_(
    duetime: typing.AbsoluteOrRelativeTime,
    other: Optional[Union[Observable[_T], "Future[_T]"]] = None,
    scheduler: Optional[abc.SchedulerBase] = None,
) -> Callable[[Observable[_T]], Observable[_T]]:

other = other or throw(Exception("Timeout"))
    if isinstance(other, Future):
        obs = from_future(other)
    else:
        obs = other

def timeout(source: Observable[_T]) -> Observable[_T]:
        """Returns the source observable sequence or the other observable
        sequence if duetime elapses.

Examples:
            >>> res = timeout(source)

Args:
            source: Source observable to timeout

Returns:
            An observable sequence switching to the other sequence in
            case of a timeout.
        """

def subscribe(
            observer: abc.ObserverBase[_T],
            scheduler_: Optional[abc.SchedulerBase] = None,
        ) -> abc.DisposableBase:
            _scheduler = scheduler or scheduler_ or TimeoutScheduler.singleton()

switched = [False]
            _id = [0]

original = SingleAssignmentDisposable()
            subscription = SerialDisposable()
            timer = SerialDisposable()
            subscription.disposable = original

def create_timer() -> None:
                my_id = _id[0]

def action(scheduler: abc.SchedulerBase, state: Any = None):
                    switched[0] = _id[0] == my_id
                    timer_wins = switched[0]
                    if timer_wins:
                        subscription.disposable = obs.subscribe(
                            observer, scheduler=scheduler
                        )

if isinstance(duetime, datetime):
                    timer.disposable = _scheduler.schedule_absolute(duetime, action)
                else:
                    timer.disposable = _scheduler.schedule_relative(duetime, action)

create_timer()

def on_next(value: _T) -> None:
                send_wins = not switched[0]
                if send_wins:
                    _id[0] += 1
                    observer.on_next(value)
                    create_timer()

def on_error(error: Exception) -> None:
                on_error_wins = not switched[0]
                if on_error_wins:
                    _id[0] += 1
                    observer.on_error(error)

def on_completed() -> None:
                on_completed_wins = not switched[0]
                if on_completed_wins:
                    _id[0] += 1
                    observer.on_completed()

original.disposable = source.subscribe(
                on_next, on_error, on_completed, scheduler=scheduler_
            )
            return CompositeDisposable(subscription, timer)

return Observable(subscribe)

return timeout

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