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firestar5683
39 lines
994 B
Python
39 lines
994 B
Python
from typing import Any, Callable, Optional, TypeVar
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import reactivex
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from reactivex import Observable, abc
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from reactivex import operators as ops
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from reactivex import typing
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_T = TypeVar("_T")
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def delay_subscription_(
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duetime: typing.AbsoluteOrRelativeTime,
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scheduler: Optional[abc.SchedulerBase] = None,
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) -> Callable[[Observable[_T]], Observable[_T]]:
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def delay_subscription(source: Observable[_T]) -> Observable[_T]:
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"""Time shifts the observable sequence by delaying the subscription.
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Exampeles.
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>>> res = source.delay_subscription(5)
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Args:
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source: Source subscription to delay.
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Returns:
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Time-shifted sequence.
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"""
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def mapper(_: Any) -> Observable[_T]:
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return reactivex.empty()
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return source.pipe(
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ops.delay_with_mapper(reactivex.timer(duetime, scheduler=scheduler), mapper)
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)
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return delay_subscription
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__all__ = ["delay_subscription_"]
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