return loop.last_result()
"""
def __init__(self, num_retries, success_check=lambda r: True,
- backoff_start=0, backoff_growth=2, save_results=1):
+ backoff_start=0, backoff_growth=2, save_results=1,
+ max_wait=60):
"""Construct a new RetryLoop.
Arguments:
* save_results: Specify a number to save the last N results
that the loop recorded. These records are available through
the results attribute, oldest first. Default 1.
+ * max_wait: Maximum number of seconds to wait between retries.
"""
self.tries_left = num_retries + 1
self.check_result = success_check
self.backoff_wait = backoff_start
self.backoff_growth = backoff_growth
+ self.max_wait = max_wait
self.next_start_time = 0
self.results = deque(maxlen=save_results)
self._running = None
wait_time = max(0, self.next_start_time - time.time())
time.sleep(wait_time)
self.backoff_wait *= self.backoff_growth
+ if self.backoff_wait > self.max_wait:
+ self.backoff_wait = self.max_wait
self.next_start_time = time.time() + self.backoff_wait
self.tries_left -= 1
return self.tries_left