mirror of
https://github.com/SickGear/SickGear.git
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596 lines
24 KiB
Python
596 lines
24 KiB
Python
# Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import boto
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from boto.connection import AWSQueryConnection
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from boto.sqs.regioninfo import SQSRegionInfo
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from boto.sqs.queue import Queue
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from boto.sqs.message import Message
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from boto.sqs.attributes import Attributes
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from boto.sqs.batchresults import BatchResults
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from boto.exception import SQSError, BotoServerError
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class SQSConnection(AWSQueryConnection):
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"""
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A Connection to the SQS Service.
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"""
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DefaultRegionName = boto.config.get('Boto', 'sqs_region_name', 'us-east-1')
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DefaultRegionEndpoint = boto.config.get('Boto', 'sqs_region_endpoint',
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'queue.amazonaws.com')
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APIVersion = boto.config.get('Boto', 'sqs_version', '2012-11-05')
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DefaultContentType = 'text/plain'
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ResponseError = SQSError
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AuthServiceName = 'sqs'
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def __init__(self, aws_access_key_id=None, aws_secret_access_key=None,
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is_secure=True, port=None, proxy=None, proxy_port=None,
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proxy_user=None, proxy_pass=None, debug=0,
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https_connection_factory=None, region=None, path='/',
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security_token=None, validate_certs=True, profile_name=None):
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if not region:
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region = SQSRegionInfo(self, self.DefaultRegionName,
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self.DefaultRegionEndpoint)
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self.region = region
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super(SQSConnection, self).__init__(aws_access_key_id,
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aws_secret_access_key,
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is_secure, port,
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proxy, proxy_port,
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proxy_user, proxy_pass,
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self.region.endpoint, debug,
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https_connection_factory, path,
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security_token=security_token,
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validate_certs=validate_certs,
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profile_name=profile_name)
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self.auth_region_name = self.region.name
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def _required_auth_capability(self):
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return ['hmac-v4']
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def create_queue(self, queue_name, visibility_timeout=None):
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"""
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Create an SQS Queue.
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:type queue_name: str or unicode
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:param queue_name: The name of the new queue. Names are
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scoped to an account and need to be unique within that
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account. Calling this method on an existing queue name
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will not return an error from SQS unless the value for
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visibility_timeout is different than the value of the
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existing queue of that name. This is still an expensive
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operation, though, and not the preferred way to check for
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the existence of a queue. See the
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:func:`boto.sqs.connection.SQSConnection.lookup` method.
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:type visibility_timeout: int
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:param visibility_timeout: The default visibility timeout for
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all messages written in the queue. This can be overridden
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on a per-message.
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:rtype: :class:`boto.sqs.queue.Queue`
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:return: The newly created queue.
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"""
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params = {'QueueName': queue_name}
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if visibility_timeout:
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params['Attribute.1.Name'] = 'VisibilityTimeout'
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params['Attribute.1.Value'] = int(visibility_timeout)
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return self.get_object('CreateQueue', params, Queue)
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def delete_queue(self, queue, force_deletion=False):
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"""
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Delete an SQS Queue.
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:type queue: A Queue object
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:param queue: The SQS queue to be deleted
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:type force_deletion: Boolean
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:param force_deletion: A deprecated parameter that is no longer used by
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SQS's API.
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:rtype: bool
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:return: True if the command succeeded, False otherwise
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"""
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return self.get_status('DeleteQueue', None, queue.id)
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def purge_queue(self, queue):
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"""
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Purge all messages in an SQS Queue.
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:type queue: A Queue object
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:param queue: The SQS queue to be purged
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:rtype: bool
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:return: True if the command succeeded, False otherwise
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"""
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return self.get_status('PurgeQueue', None, queue.id)
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def get_queue_attributes(self, queue, attribute='All'):
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"""
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Gets one or all attributes of a Queue
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:type queue: A Queue object
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:param queue: The SQS queue to get attributes for
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:type attribute: str
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:param attribute: The specific attribute requested. If not
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supplied, the default is to return all attributes. Valid
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attributes are:
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* All
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* ApproximateNumberOfMessages
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* ApproximateNumberOfMessagesNotVisible
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* VisibilityTimeout
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* CreatedTimestamp
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* LastModifiedTimestamp
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* Policy
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* MaximumMessageSize
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* MessageRetentionPeriod
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* QueueArn
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* ApproximateNumberOfMessagesDelayed
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* DelaySeconds
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* ReceiveMessageWaitTimeSeconds
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* RedrivePolicy
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:rtype: :class:`boto.sqs.attributes.Attributes`
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:return: An Attributes object containing request value(s).
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"""
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params = {'AttributeName' : attribute}
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return self.get_object('GetQueueAttributes', params,
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Attributes, queue.id)
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def set_queue_attribute(self, queue, attribute, value):
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"""
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Set a new value for an attribute of a Queue.
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:type queue: A Queue object
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:param queue: The SQS queue to get attributes for
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:type attribute: String
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:param attribute: The name of the attribute you want to set.
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:param value: The new value for the attribute must be:
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* For `DelaySeconds` the value must be an integer number of
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seconds from 0 to 900 (15 minutes).
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>>> connection.set_queue_attribute(queue, 'DelaySeconds', 900)
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* For `MaximumMessageSize` the value must be an integer number of
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bytes from 1024 (1 KiB) to 262144 (256 KiB).
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>>> connection.set_queue_attribute(queue, 'MaximumMessageSize', 262144)
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* For `MessageRetentionPeriod` the value must be an integer number of
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seconds from 60 (1 minute) to 1209600 (14 days).
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>>> connection.set_queue_attribute(queue, 'MessageRetentionPeriod', 1209600)
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* For `Policy` the value must be an string that contains JSON formatted
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parameters and values.
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>>> connection.set_queue_attribute(queue, 'Policy', json.dumps({
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... 'Version': '2008-10-17',
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... 'Id': '/123456789012/testQueue/SQSDefaultPolicy',
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... 'Statement': [
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... {
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... 'Sid': 'Queue1ReceiveMessage',
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... 'Effect': 'Allow',
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... 'Principal': {
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... 'AWS': '*'
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... },
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... 'Action': 'SQS:ReceiveMessage',
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... 'Resource': 'arn:aws:aws:sqs:us-east-1:123456789012:testQueue'
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... }
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... ]
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... }))
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* For `ReceiveMessageWaitTimeSeconds` the value must be an integer number of
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seconds from 0 to 20.
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>>> connection.set_queue_attribute(queue, 'ReceiveMessageWaitTimeSeconds', 20)
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* For `VisibilityTimeout` the value must be an integer number of
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seconds from 0 to 43200 (12 hours).
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>>> connection.set_queue_attribute(queue, 'VisibilityTimeout', 43200)
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* For `RedrivePolicy` the value must be an string that contains JSON formatted
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parameters and values. You can set maxReceiveCount to a value between 1 and 1000.
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The deadLetterTargetArn value is the Amazon Resource Name (ARN) of the queue that
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will receive the dead letter messages.
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>>> connection.set_queue_attribute(queue, 'RedrivePolicy', json.dumps({
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... 'maxReceiveCount': 5,
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... 'deadLetterTargetArn': "arn:aws:aws:sqs:us-east-1:123456789012:testDeadLetterQueue"
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... }))
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"""
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params = {'Attribute.Name' : attribute, 'Attribute.Value' : value}
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return self.get_status('SetQueueAttributes', params, queue.id)
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def receive_message(self, queue, number_messages=1,
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visibility_timeout=None, attributes=None,
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wait_time_seconds=None, message_attributes=None):
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"""
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Read messages from an SQS Queue.
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:type queue: A Queue object
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:param queue: The Queue from which messages are read.
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:type number_messages: int
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:param number_messages: The maximum number of messages to read
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(default=1)
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:type visibility_timeout: int
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:param visibility_timeout: The number of seconds the message should
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remain invisible to other queue readers
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(default=None which uses the Queues default)
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:type attributes: str
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:param attributes: The name of additional attribute to return
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with response or All if you want all attributes. The
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default is to return no additional attributes. Valid
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values:
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* All
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* SenderId
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* SentTimestamp
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* ApproximateReceiveCount
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* ApproximateFirstReceiveTimestamp
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:type wait_time_seconds: int
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:param wait_time_seconds: The duration (in seconds) for which the call
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will wait for a message to arrive in the queue before returning.
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If a message is available, the call will return sooner than
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wait_time_seconds.
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:type message_attributes: list
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:param message_attributes: The name(s) of additional message
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attributes to return. The default is to return no additional
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message attributes. Use ``['All']`` or ``['.*']`` to return all.
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:rtype: list
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:return: A list of :class:`boto.sqs.message.Message` objects.
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"""
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params = {'MaxNumberOfMessages' : number_messages}
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if visibility_timeout is not None:
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params['VisibilityTimeout'] = visibility_timeout
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if attributes is not None:
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self.build_list_params(params, attributes, 'AttributeName')
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if wait_time_seconds is not None:
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params['WaitTimeSeconds'] = wait_time_seconds
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if message_attributes is not None:
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self.build_list_params(params, message_attributes,
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'MessageAttributeName')
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return self.get_list('ReceiveMessage', params,
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[('Message', queue.message_class)],
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queue.id, queue)
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def delete_message(self, queue, message):
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"""
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Delete a message from a queue.
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:type queue: A :class:`boto.sqs.queue.Queue` object
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:param queue: The Queue from which messages are read.
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:type message: A :class:`boto.sqs.message.Message` object
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:param message: The Message to be deleted
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:rtype: bool
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:return: True if successful, False otherwise.
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"""
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params = {'ReceiptHandle' : message.receipt_handle}
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return self.get_status('DeleteMessage', params, queue.id)
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def delete_message_batch(self, queue, messages):
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"""
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Deletes a list of messages from a queue in a single request.
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:type queue: A :class:`boto.sqs.queue.Queue` object.
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:param queue: The Queue to which the messages will be written.
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:type messages: List of :class:`boto.sqs.message.Message` objects.
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:param messages: A list of message objects.
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"""
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params = {}
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for i, msg in enumerate(messages):
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prefix = 'DeleteMessageBatchRequestEntry'
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p_name = '%s.%i.Id' % (prefix, (i+1))
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params[p_name] = msg.id
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p_name = '%s.%i.ReceiptHandle' % (prefix, (i+1))
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params[p_name] = msg.receipt_handle
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return self.get_object('DeleteMessageBatch', params, BatchResults,
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queue.id, verb='POST')
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def delete_message_from_handle(self, queue, receipt_handle):
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"""
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Delete a message from a queue, given a receipt handle.
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:type queue: A :class:`boto.sqs.queue.Queue` object
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:param queue: The Queue from which messages are read.
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:type receipt_handle: str
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:param receipt_handle: The receipt handle for the message
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:rtype: bool
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:return: True if successful, False otherwise.
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"""
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params = {'ReceiptHandle' : receipt_handle}
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return self.get_status('DeleteMessage', params, queue.id)
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def send_message(self, queue, message_content, delay_seconds=None,
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message_attributes=None):
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"""
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Send a new message to the queue.
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:type queue: A :class:`boto.sqs.queue.Queue` object.
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:param queue: The Queue to which the messages will be written.
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:type message_content: string
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:param message_content: The body of the message
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:type delay_seconds: int
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:param delay_seconds: Number of seconds (0 - 900) to delay this
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message from being processed.
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:type message_attributes: dict
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:param message_attributes: Message attributes to set. Should be
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of the form:
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{
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"name1": {
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"data_type": "Number",
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"string_value": "1"
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},
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"name2": {
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"data_type": "String",
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"string_value": "Bob"
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}
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}
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"""
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params = {'MessageBody' : message_content}
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if delay_seconds:
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params['DelaySeconds'] = int(delay_seconds)
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if message_attributes is not None:
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keys = sorted(message_attributes.keys())
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for i, name in enumerate(keys, start=1):
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attribute = message_attributes[name]
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params['MessageAttribute.%s.Name' % i] = name
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if 'data_type' in attribute:
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params['MessageAttribute.%s.Value.DataType' % i] = \
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attribute['data_type']
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if 'string_value' in attribute:
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params['MessageAttribute.%s.Value.StringValue' % i] = \
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attribute['string_value']
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if 'binary_value' in attribute:
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params['MessageAttribute.%s.Value.BinaryValue' % i] = \
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attribute['binary_value']
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if 'string_list_value' in attribute:
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params['MessageAttribute.%s.Value.StringListValue' % i] = \
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attribute['string_list_value']
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if 'binary_list_value' in attribute:
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params['MessageAttribute.%s.Value.BinaryListValue' % i] = \
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attribute['binary_list_value']
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return self.get_object('SendMessage', params, Message,
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queue.id, verb='POST')
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def send_message_batch(self, queue, messages):
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"""
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Delivers up to 10 messages to a queue in a single request.
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:type queue: A :class:`boto.sqs.queue.Queue` object.
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:param queue: The Queue to which the messages will be written.
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:type messages: List of lists.
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:param messages: A list of lists or tuples. Each inner
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tuple represents a single message to be written
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and consists of and ID (string) that must be unique
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within the list of messages, the message body itself
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which can be a maximum of 64K in length, an
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integer which represents the delay time (in seconds)
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for the message (0-900) before the message will
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be delivered to the queue, and an optional dict of
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message attributes like those passed to ``send_message``
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above.
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"""
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params = {}
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for i, msg in enumerate(messages):
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base = 'SendMessageBatchRequestEntry.%i' % (i + 1)
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params['%s.Id' % base] = msg[0]
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params['%s.MessageBody' % base] = msg[1]
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params['%s.DelaySeconds' % base] = msg[2]
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if len(msg) > 3:
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base += '.MessageAttribute'
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keys = sorted(msg[3].keys())
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for j, name in enumerate(keys):
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attribute = msg[3][name]
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p_name = '%s.%i.Name' % (base, j + 1)
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params[p_name] = name
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if 'data_type' in attribute:
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p_name = '%s.%i.Value.DataType' % (base, j + 1)
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params[p_name] = attribute['data_type']
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if 'string_value' in attribute:
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p_name = '%s.%i.Value.StringValue' % (base, j + 1)
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params[p_name] = attribute['string_value']
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if 'binary_value' in attribute:
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p_name = '%s.%i.Value.BinaryValue' % (base, j + 1)
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params[p_name] = attribute['binary_value']
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if 'string_list_value' in attribute:
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p_name = '%s.%i.Value.StringListValue' % (base, j + 1)
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params[p_name] = attribute['string_list_value']
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if 'binary_list_value' in attribute:
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p_name = '%s.%i.Value.BinaryListValue' % (base, j + 1)
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params[p_name] = attribute['binary_list_value']
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return self.get_object('SendMessageBatch', params, BatchResults,
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queue.id, verb='POST')
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def change_message_visibility(self, queue, receipt_handle,
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visibility_timeout):
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"""
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Extends the read lock timeout for the specified message from
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the specified queue to the specified value.
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:type queue: A :class:`boto.sqs.queue.Queue` object
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:param queue: The Queue from which messages are read.
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:type receipt_handle: str
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:param receipt_handle: The receipt handle associated with the message
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whose visibility timeout will be changed.
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:type visibility_timeout: int
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:param visibility_timeout: The new value of the message's visibility
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timeout in seconds.
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"""
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params = {'ReceiptHandle' : receipt_handle,
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'VisibilityTimeout' : visibility_timeout}
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return self.get_status('ChangeMessageVisibility', params, queue.id)
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def change_message_visibility_batch(self, queue, messages):
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"""
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A batch version of change_message_visibility that can act
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on up to 10 messages at a time.
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:type queue: A :class:`boto.sqs.queue.Queue` object.
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:param queue: The Queue to which the messages will be written.
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:type messages: List of tuples.
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:param messages: A list of tuples where each tuple consists
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of a :class:`boto.sqs.message.Message` object and an integer
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that represents the new visibility timeout for that message.
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"""
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params = {}
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for i, t in enumerate(messages):
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prefix = 'ChangeMessageVisibilityBatchRequestEntry'
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p_name = '%s.%i.Id' % (prefix, (i+1))
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params[p_name] = t[0].id
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p_name = '%s.%i.ReceiptHandle' % (prefix, (i+1))
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params[p_name] = t[0].receipt_handle
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p_name = '%s.%i.VisibilityTimeout' % (prefix, (i+1))
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params[p_name] = t[1]
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return self.get_object('ChangeMessageVisibilityBatch',
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params, BatchResults,
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queue.id, verb='POST')
|
|
|
|
def get_all_queues(self, prefix=''):
|
|
"""
|
|
Retrieves all queues.
|
|
|
|
:keyword str prefix: Optionally, only return queues that start with
|
|
this value.
|
|
:rtype: list
|
|
:returns: A list of :py:class:`boto.sqs.queue.Queue` instances.
|
|
"""
|
|
params = {}
|
|
if prefix:
|
|
params['QueueNamePrefix'] = prefix
|
|
return self.get_list('ListQueues', params, [('QueueUrl', Queue)])
|
|
|
|
def get_queue(self, queue_name, owner_acct_id=None):
|
|
"""
|
|
Retrieves the queue with the given name, or ``None`` if no match
|
|
was found.
|
|
|
|
:param str queue_name: The name of the queue to retrieve.
|
|
:param str owner_acct_id: Optionally, the AWS account ID of the account that created the queue.
|
|
:rtype: :py:class:`boto.sqs.queue.Queue` or ``None``
|
|
:returns: The requested queue, or ``None`` if no match was found.
|
|
"""
|
|
params = {'QueueName': queue_name}
|
|
if owner_acct_id:
|
|
params['QueueOwnerAWSAccountId']=owner_acct_id
|
|
try:
|
|
return self.get_object('GetQueueUrl', params, Queue)
|
|
except SQSError:
|
|
return None
|
|
|
|
lookup = get_queue
|
|
|
|
def get_dead_letter_source_queues(self, queue):
|
|
"""
|
|
Retrieves the dead letter source queues for a given queue.
|
|
|
|
:type queue: A :class:`boto.sqs.queue.Queue` object.
|
|
:param queue: The queue for which to get DL source queues
|
|
:rtype: list
|
|
:returns: A list of :py:class:`boto.sqs.queue.Queue` instances.
|
|
"""
|
|
params = {'QueueUrl': queue.url}
|
|
return self.get_list('ListDeadLetterSourceQueues', params,
|
|
[('QueueUrl', Queue)])
|
|
|
|
#
|
|
# Permissions methods
|
|
#
|
|
|
|
def add_permission(self, queue, label, aws_account_id, action_name):
|
|
"""
|
|
Add a permission to a queue.
|
|
|
|
:type queue: :class:`boto.sqs.queue.Queue`
|
|
:param queue: The queue object
|
|
|
|
:type label: str or unicode
|
|
:param label: A unique identification of the permission you are setting.
|
|
Maximum of 80 characters ``[0-9a-zA-Z_-]``
|
|
Example, AliceSendMessage
|
|
|
|
:type aws_account_id: str or unicode
|
|
:param principal_id: The AWS account number of the principal
|
|
who will be given permission. The principal must have an
|
|
AWS account, but does not need to be signed up for Amazon
|
|
SQS. For information about locating the AWS account
|
|
identification.
|
|
|
|
:type action_name: str or unicode
|
|
:param action_name: The action. Valid choices are:
|
|
* *
|
|
* SendMessage
|
|
* ReceiveMessage
|
|
* DeleteMessage
|
|
* ChangeMessageVisibility
|
|
* GetQueueAttributes
|
|
|
|
:rtype: bool
|
|
:return: True if successful, False otherwise.
|
|
|
|
"""
|
|
params = {'Label': label,
|
|
'AWSAccountId' : aws_account_id,
|
|
'ActionName' : action_name}
|
|
return self.get_status('AddPermission', params, queue.id)
|
|
|
|
def remove_permission(self, queue, label):
|
|
"""
|
|
Remove a permission from a queue.
|
|
|
|
:type queue: :class:`boto.sqs.queue.Queue`
|
|
:param queue: The queue object
|
|
|
|
:type label: str or unicode
|
|
:param label: The unique label associated with the permission
|
|
being removed.
|
|
|
|
:rtype: bool
|
|
:return: True if successful, False otherwise.
|
|
"""
|
|
params = {'Label': label}
|
|
return self.get_status('RemovePermission', params, queue.id)
|