Javier Pena
e2c31de9b3
Packstack needs to get adapted to Python 3. This patch adds initial compatibility fixes and a tox-py36 job (non-voting) to test it. Change-Id: I653454b523224615ea5f0e9f5a7d799031f57649
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import time
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def retry(count=1, delay=0, retry_on=Exception):
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"""
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Decorator which tries to run specified fuction if the previous
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run ended by given exception. Retry count and delays can be also
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specified.
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"""
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if count < 0 or delay < 0:
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raise ValueError('Count and delay has to be positive number.')
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def decorator(func):
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def wrapper(*args, **kwargs):
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tried = 0
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while tried <= count:
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try:
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return func(*args, **kwargs)
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except retry_on:
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if tried >= count:
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raise
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if delay:
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time.sleep(delay)
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tried += 1
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wrapper.__name__ = func.__name__
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return wrapper
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return decorator
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