45   def __init__(self, sleep=0, backoff_factor=1, jitter=0):  argument
46     if sleep < 0:
47       raise ValueError('sleep must be >= 0: %s' % sleep)
56     self._sleep = sleep
60   def Sleep(self, attempt):  member in _RetryDelayStrategy
61     """Sleep to delay the current retry."""
68     # If |jitter| is set, add a random jitter sleep.
74       time.sleep(total)
107   - If |sleep| is given, the delay between the first and second attempts is
108     |sleep| secs.
110     |sleep| and |backoff_factor|.
112       as |sleep| * (number of attempts). E.g., if |sleep| is 1, the delays
115       as |sleep| * |backoff_factor| ** (number of attempts - 1). E.g., if
116       |sleep| is 1, and |backoff_factor| is 2, the delay will be,
120     |sleep| value. E.g., |max_retry| is 5, and |sleep| is 10, will be
122     use a large sleep value, you should lean more towards large retries
123     and lower sleep intervals, or by utilizing |backoff_factor|.
132                sleep=0, backoff_factor=1, jitter=0,  argument
144       sleep: Please see above for details.
169     self._retry_delay = _RetryDelayStrategy(sleep, backoff_factor, jitter)
182           self._retry_delay.Sleep(attempt)
240   sleep = kwargs.pop('sleep', 0)
249       sleep=sleep, backoff_factor=backoff_factor, jitter=delay_sec,
267   sleep = kwargs.pop('sleep', 0)
277       sleep=sleep, backoff_factor=backoff_factor, jitter=delay_sec,
295     sleep: Optional keyword.  Multiplier for how long to sleep between
296       retries; will delay (1*sleep) the first time, then (2*sleep),
297       continuing via attempt * sleep.
377       Note that retry_on, error_check, sleep, backoff_factor cannot be
422         sleep=3, backoff_factor=1.6,