def increment(self,
settings,
request,
response=None,
error=None,
**kwargs): # pylint:disable=unused-argument, arguments-differ
# type: (...)->None
"""Increment the retry counters.
:param Any request:
:param dict settings:
:param Any response: A pipeline response object.
:param Any error: An error encountered during the request, or
None if the response was received successfully.
:keyword callable cls: A custom type or function that will be passed the direct response
:return: Whether the retry attempts are exhausted.
:rtype: None
"""
settings["total"] -= 1
if error and isinstance(error, ServiceRequestError):
# Errors when we're fairly sure that the server did not receive the
# request, so it should be safe to retry.
settings["connect"] -= 1
settings["history"].append(RequestHistory(request, error=error))
elif error and isinstance(error, ServiceResponseError):
# Errors that occur after the request has been started, so we should
# assume that the server began processing it.
settings["read"] -= 1
settings["history"].append(RequestHistory(request, error=error))
else:
# Incrementing because of a server error like a 500 in
# status_forcelist and a the given method is in the whitelist
if response:
settings["status"] -= 1
settings["history"].append(
RequestHistory(request, http_response=response))
if not is_exhausted(settings):
if request.method not in ["PUT"] and settings["retry_secondary"]:
self._set_next_host_location(settings, request)
# rewind the request body if it is a stream
if request.body and hasattr(request.body, "read"):
# no position was saved, then retry would not work
if settings["body_position"] is None:
return False
try:
# attempt to rewind the body to the initial position
request.body.seek(settings["body_position"], SEEK_SET)
except (UnsupportedOperation, ValueError):
# if body is not seekable, then retry would not work
return False
settings["count"] += 1
return True
return False
def increment(self, settings, request, response=None, error=None):
"""Increment the retry counters.
:param response: A pipeline response object.
:param error: An error encountered during the request, or
None if the response was received successfully.
:return: Whether the retry attempts are exhausted.
"""
settings['total'] -= 1
if error and isinstance(error, ServiceRequestError):
# Errors when we're fairly sure that the server did not receive the
# request, so it should be safe to retry.
settings['connect'] -= 1
settings['history'].append(RequestHistory(request, error=error))
elif error and isinstance(error, ServiceResponseError):
# Errors that occur after the request has been started, so we should
# assume that the server began processing it.
settings['read'] -= 1
settings['history'].append(RequestHistory(request, error=error))
else:
# Incrementing because of a server error like a 500 in
# status_forcelist and a the given method is in the allowlist
if response:
settings['status'] -= 1
settings['history'].append(
RequestHistory(request, http_response=response))
if not is_exhausted(settings):
if request.method not in ['PUT'] and settings['retry_secondary']:
self._set_next_host_location(settings, request)
# rewind the request body if it is a stream
if request.body and hasattr(request.body, 'read'):
# no position was saved, then retry would not work
if settings['body_position'] is None:
return False
try:
# attempt to rewind the body to the initial position
request.body.seek(settings['body_position'], SEEK_SET)
except (UnsupportedOperation, ValueError):
# if body is not seekable, then retry would not work
return False
settings['count'] += 1
return True
return False
def test_request_history():
class Non_deep_copiable(object):
def __deepcopy__(self, memodict={}):
raise ValueError()
body = Non_deep_copiable()
request = HttpRequest('GET', 'http://localhost/', {'user-agent': 'test_request_history'})
request.body = body
request_history = RequestHistory(request)
assert request_history.http_request.headers == request.headers
assert request_history.http_request.url == request.url
assert request_history.http_request.method == request.method
