def ack(self, *message_identifiers):
if len(message_identifiers) > DELETE_MESSAGE_BATCH_SIZE:
for message_identifiers in chunk_list(message_identifiers, DELETE_MESSAGE_BATCH_SIZE):
self.ack(*message_identifiers)
return
if len(message_identifiers) == 1:
receipt_handle = message_identifiers[0]
message = MockMessage(receipt_handle)
result = self._boto_queue.delete_message(message)
assert result, 'Failed to accept %s' % receipt_handle
elif message_identifiers:
messages = []
for num, receipt_handle in enumerate(message_identifiers, start=1):
message = MockMessage(receipt_handle, batch_id=num)
messages.append(message)
result = self._boto_queue.delete_message_batch(messages)
assert result, 'Result is %r' % result
assert len(result.errors) == 0, 'Errors are %r' % result.errors
assert len(result.results) == len(messages), 'Got %r expected roughly %r' % (result.results, message_identifiers)
if self.timeouts:
self.timeouts.remove(*message_identifiers)
def put(self, *message_bodies):
num_messages = len(message_bodies)
if num_messages == 1:
message = Message()
message.set_body(message_bodies[0])
status = self._boto_queue.write(message)
assert status
elif num_messages > WRITE_MESSAGE_BATCH_SIZE:
for message_bodies in chunk_list(message_bodies,
WRITE_MESSAGE_BATCH_SIZE):
self.put(*message_bodies)
elif num_messages:
messages = []
for num, message_body in enumerate(message_bodies, start=1):
message_body = Message(body=message_body).get_body_encoded()
message = (str(num), message_body, 0)
messages.append(message)
result = self._boto_queue.write_batch(messages)
assert result, 'Result is %r' % result
assert len(result.errors) == 0, 'Errors are %r' % result.errors
assert len(result.results) == len(
messages), 'Got %r expected roughly %r' % (result.results,
message_bodies)
def ack(self, *message_identifiers):
if len(message_identifiers) > DELETE_MESSAGE_BATCH_SIZE:
for message_identifiers in chunk_list(message_identifiers,
DELETE_MESSAGE_BATCH_SIZE):
self.ack(*message_identifiers)
return
if len(message_identifiers) == 1:
receipt_handle = message_identifiers[0]
message = MockMessage(receipt_handle)
result = self._boto_queue.delete_message(message)
assert result, 'Failed to accept %s' % receipt_handle
elif message_identifiers:
messages = []
for num, receipt_handle in enumerate(message_identifiers, start=1):
message = MockMessage(receipt_handle, batch_id=num)
messages.append(message)
result = self._boto_queue.delete_message_batch(messages)
assert result, 'Result is %r' % result
assert len(result.errors) == 0, 'Errors are %r' % result.errors
assert len(result.results) == len(
messages), 'Got %r expected roughly %r' % (result.results,
message_identifiers)
if self.timeouts:
self.timeouts.remove(*message_identifiers)
def redeliver(self, *items):
"""
Set the visibility timeout of messages so they will be redelivered at
that point in time (unless they are updated or deleted before then).
The items should be tuples of: (visibility_timeout, message_identifier)
A message cannot be redelivered before its existing visibility
timeout. Any attempt to do so will be ignored, except for the
special case of 0, which will work. This is a limitation of
this API, not SQS, to avoid making excessive API calls.
"""
items = tuple(self._clean_redeliver_items(*items))
num_items = len(items)
if num_items > CHANGE_MESSAGE_VISIBILITY_BATCH_SIZE:
for fewer_items in chunk_list(
items, CHANGE_MESSAGE_VISIBILITY_BATCH_SIZE):
num_items = len(fewer_items)
if num_items == 1:
self._redeliver_one(*fewer_items)
elif num_items:
self._redeliver_batch(*fewer_items)
elif num_items:
if num_items == 1:
self._redeliver_one(*items)
elif num_items:
self._redeliver_batch(*items)
if self.timeouts:
for (num_seconds, receipt_handle) in items:
self.timeouts.add(num_seconds, receipt_handle)
def redeliver(self, *items):
"""
Set the visibility timeout of messages so they will be redelivered at
that point in time (unless they are updated or deleted before then).
The items should be tuples of: (visibility_timeout, message_identifier)
A message cannot be redelivered before its existing visibility
timeout. Any attempt to do so will be ignored, except for the
special case of 0, which will work. This is a limitation of
this API, not SQS, to avoid making excessive API calls.
"""
items = tuple(self._clean_redeliver_items(*items))
num_items = len(items)
if num_items > CHANGE_MESSAGE_VISIBILITY_BATCH_SIZE:
for fewer_items in chunk_list(items, CHANGE_MESSAGE_VISIBILITY_BATCH_SIZE):
num_items = len(fewer_items)
if num_items == 1:
self._redeliver_one(*fewer_items)
elif num_items:
self._redeliver_batch(*fewer_items)
elif num_items:
if num_items == 1:
self._redeliver_one(*items)
elif num_items:
self._redeliver_batch(*items)
if self.timeouts:
for (num_seconds, receipt_handle) in items:
self.timeouts.add(num_seconds, receipt_handle)
def put(self, *message_bodies):
num_messages = len(message_bodies)
if num_messages == 1:
message = Message()
message.set_body(message_bodies[0])
status = self._boto_queue.write(message)
assert status
elif num_messages > WRITE_MESSAGE_BATCH_SIZE:
for message_bodies in chunk_list(message_bodies, WRITE_MESSAGE_BATCH_SIZE):
self.put(*message_bodies)
elif num_messages:
messages = []
for num, message_body in enumerate(message_bodies, start=1):
message_body = Message(body=message_body).get_body_encoded()
message = (str(num), message_body, 0)
messages.append(message)
result = self._boto_queue.write_batch(messages)
assert result, 'Result is %r' % result
assert len(result.errors) == 0, 'Errors are %r' % result.errors
assert len(result.results) == len(messages), 'Got %r expected roughly %r' % (result.results, message_bodies)