50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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:mod:`nova.tests` -- Nova Unittests
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=====================================================
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.. automodule:: nova.tests
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:platform: Unix
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"""
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# TODO(mikal): move eventlet imports to nova.__init__ once we move to PBR
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import os
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import sys
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import traceback
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# NOTE(mikal): All of this is because if dnspython is present in your
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# environment then eventlet monkeypatches socket.getaddrinfo() with an
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# implementation which doesn't work for IPv6. What we're checking here is
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# that the magic environment variable was set when the import happened.
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# NOTE(dims): Prevent this code from kicking in under docs generation
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# as it leads to spurious errors/warning.
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stack = traceback.extract_stack()
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if ('eventlet' in sys.modules and
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os.environ.get('EVENTLET_NO_GREENDNS', '').lower() != 'yes' and
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(len(stack) < 2 or 'sphinx' not in stack[-2][0])):
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raise ImportError('eventlet imported before nova/cmd/__init__ '
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'(env var set to %s)'
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% os.environ.get('EVENTLET_NO_GREENDNS'))
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os.environ['EVENTLET_NO_GREENDNS'] = 'yes'
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import eventlet
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eventlet.monkey_patch(os=False)
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