Python retry模块怎么用？一文教你轻松掌握错误重试机制

from retry import retry
 
@retry()
def make_trouble():
    '''Retry until succeed'''
    print ('retrying...')
    raise
 
if __name__ == '__main__':
    make_trouble()
 
# 输出: 一直重试，直到运行成功
retrying...
retrying...
retrying...
retrying...
retrying...
retrying...

def retry(exceptions=Exception, tries=-1, delay=0, max_delay=None, backoff=1, jitter=0, logger=logging_logger):
    """Return a retry decorator.

    :param exceptions: an exception or a tuple of exceptions to catch. default: Exception.
    :param tries: the maximum number of attempts. default: -1 (infinite).
    :param delay: initial delay between attempts. default: 0.
    :param max_delay: the maximum value of delay. default: None (no limit).
    :param backoff: multiplier applied to delay between attempts. default: 1 (no backoff).
    :param jitter: extra seconds added to delay between attempts. default: 0.
                   fixed if a number, random if a range tuple (min, max)
    :param logger: logger.warning(fmt, error, delay) will be called on failed attempts.
                   default: retry.logging_logger. if None, logging is disabled.
    """