compat.py

# Copyright (c) 2014 Amazon.com, Inc. or its affiliates.  All Rights Reserved
#
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# "Software"), to deal in the Software without restriction, including
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# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# Use unittest2 for older versions of Python
try:
    import unittest2 as unittest
except ImportError:
    import unittest

# Use thirdt party ordereddict for older versions of Python
try:
    from collections import OrderedDict
except ImportError:
    from ordereddict import OrderedDict

# Use standard unittest.mock if possible. (mock doesn't support Python 3.4)
try:
    from unittest import mock
except ImportError:
    import mock