gistfile1.py

    def retry(exc, tries=5, delay=1, backoff=2):
        def retry_dec(f):
            @wraps(f)
            def func_retry(*args, **kwargs):
                _tries, _delay = tries, delay
                while _tries > 1:
                    try:
                        return f(*args, **kwargs)
                    except Exception as ex:
                        time.sleep(_delay)
                        _tries -= 1
                        _delay *= backoff
                return f(*args, **kwargs)
            return func_retry
        return retry_dec
        
@retry((exception.A, exception.B), tries=5)
def myfunc(self,):
  blah blah blah