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Python retry decorator
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def retry(times, exceptions): | |
""" | |
Retry Decorator | |
Retries the wrapped function/method `times` times if the exceptions listed | |
in ``exceptions`` are thrown | |
:param times: The number of times to repeat the wrapped function/method | |
:type times: Int | |
:param Exceptions: Lists of exceptions that trigger a retry attempt | |
:type Exceptions: Tuple of Exceptions | |
""" | |
def decorator(func): | |
def newfn(*args, **kwargs): | |
attempt = 0 | |
while attempt < times: | |
try: | |
return func(*args, **kwargs) | |
except exceptions: | |
logger.info( | |
'Exception thrown when attempting to run %s, attempt ' | |
'%d of %d' % (func, attempt, times), | |
exc_info=True | |
) | |
attempt += 1 | |
return func(*args, **kwargs) | |
return newfn | |
return decorator |
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