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from typing import Callable, Optional, TypeVar
import reactivex
from reactivex import Observable
from reactivex.internal.utils import infinite
_T = TypeVar("_T")
def retry_(
retry_count: Optional[int] = None,
) -> Callable[[Observable[_T]], Observable[_T]]:
"""Repeats the source observable sequence the specified number of
times or until it successfully terminates. If the retry count is
not specified, it retries indefinitely.
Examples:
>>> retried = retry()
>>> retried = retry(42)
Args:
retry_count: [Optional] Number of times to retry the sequence.
If not provided, retry the sequence indefinitely.
Returns:
An observable sequence producing the elements of the given
sequence repeatedly until it terminates successfully.
"""
if retry_count is None:
gen = infinite()
else:
gen = range(retry_count)
def retry(source: Observable[_T]) -> Observable[_T]:
return reactivex.catch_with_iterable(source for _ in gen)
return retry
__all__ = ["retry_"]
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