e699e39c37
These features were for Celery 4.2.1, since this version has a regression, version 4.1.1 is used instead. The version 4.2.1 features are removed also and implemented in code. Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>
27 lines
713 B
Python
27 lines
713 B
Python
from __future__ import absolute_import, unicode_literals
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import time
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import random
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from .exceptions import LockError
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def retry_on_lock_error(retries):
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def decorator(function):
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def wrapper():
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retry_count = 0
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while True:
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try:
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return function()
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except LockError:
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if retry_count == retries:
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raise
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else:
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retry_count = retry_count + 1
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timeout = 2 ** retry_count
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timeout = random.randrange(timeout + 1)
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time.sleep(timeout)
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return wrapper
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return decorator
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