 97797abb51
			
		
	
	97797abb51
	
	
	
		
			
			Instead of doing try: except ImportError for eventlet imports use the oslo.utils importutils.try_import function that safely does the same with less verbosity for the optional usage of eventlet imports/code that we have. Change-Id: I7eaa7c5908ffb04282892c9f6af04044b73f4f8c
		
			
				
	
	
		
			35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # -*- coding: utf-8 -*-
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| 
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| #    Copyright (C) 2015 Yahoo! Inc. 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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| from oslo_utils import importutils
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| 
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| _eventlet = importutils.try_import('eventlet')
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| 
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| EVENTLET_AVAILABLE = bool(_eventlet)
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| 
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| 
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| def check_for_eventlet(exc=None):
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|     """Check if eventlet is available and if not raise a runtime error.
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| 
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|     :param exc: exception to raise instead of raising a runtime error
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|     :type exc: exception
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|     """
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|     if not EVENTLET_AVAILABLE:
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|         if exc is None:
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|             raise RuntimeError('Eventlet is not current available')
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|         else:
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|             raise exc
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