firestar5683
45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
from typing import Callable, List, Optional, TypeVar
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from reactivex import Observable, abc
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_T = TypeVar("_T")
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def to_iterable_() -> Callable[[Observable[_T]], Observable[List[_T]]]:
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def to_iterable(source: Observable[_T]) -> Observable[List[_T]]:
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"""Creates an iterable from an observable sequence.
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Returns:
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An observable sequence containing a single element with an
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iterable containing all the elements of the source
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sequence.
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"""
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def subscribe(
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observer: abc.ObserverBase[List[_T]],
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scheduler: Optional[abc.SchedulerBase] = None,
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):
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nonlocal source
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queue: List[_T] = []
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def on_next(item: _T):
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queue.append(item)
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def on_completed():
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nonlocal queue
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observer.on_next(queue)
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queue = []
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observer.on_completed()
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return source.subscribe(
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on_next, observer.on_error, on_completed, scheduler=scheduler
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)
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return Observable(subscribe)
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return to_iterable
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__all__ = ["to_iterable_"]
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