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