
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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# 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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from oslo_utils import importutils
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_eventlet = importutils.try_import('eventlet')
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EVENTLET_AVAILABLE = bool(_eventlet)
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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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: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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