43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
# Copyright (c) 2006-2008 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 base64
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from boto.sqs.message import MHMessage
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from boto.exception import SQSDecodeError
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from boto.compat import json
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class JSONMessage(MHMessage):
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"""
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Acts like a dictionary but encodes it's data as a Base64 encoded JSON payload.
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"""
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def decode(self, value):
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try:
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value = base64.b64decode(value.encode('utf-8')).decode('utf-8')
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value = json.loads(value)
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except:
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raise SQSDecodeError('Unable to decode message', self)
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return value
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def encode(self, value):
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value = json.dumps(value)
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return base64.b64encode(value.encode('utf-8')).decode('utf-8')
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