def _handle_retry_and_timeout(self, endpoint, request, signer):
# TODO: replace it with a retry_handler
# it's a temporary implementation. the long-term plan will be a group a normalized handlers
# which contains retry_handler and timeout_handler
# decide whether we should initialize a ClientToken for the request
retry_policy_context = RetryPolicyContext(request, None, 0, None)
if self._retry_policy.should_retry(retry_policy_context) & \
RetryCondition.SHOULD_RETRY_WITH_CLIENT_TOKEN:
self._add_request_client_token(request)
request_timeout = self._get_request_timeout(request)
retryable = RetryCondition.SHOULD_RETRY
retries = 0
while True:
status, headers, body, exception = self._handle_single_request(
endpoint, request, request_timeout, signer)
retry_policy_context = RetryPolicyContext(request, exception,
retries, status)
retryable = self._retry_policy.should_retry(retry_policy_context)
if retryable & RetryCondition.NO_RETRY:
break
retry_policy_context.retryable = retryable
time_to_sleep = self._retry_policy.compute_delay_before_next_retry(
retry_policy_context)
time.sleep(time_to_sleep / 1000.0)
retries += 1
if isinstance(exception, ClientException):
raise exception
return status, headers, body, exception
def _get_retryable(*conditions):
context = RetryPolicyContext(*conditions)
return default_retry_policy.should_retry(context)