35 lines
984 B
Python
35 lines
984 B
Python
import time
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from typing import Any
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def retry(ExceptionToCheck: Any,
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tries: int = 3, delay: int = 3, backoff: int = 2, logger: Any = None):
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"""
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:param ExceptionToCheck: 需要捕获的异常
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:param tries: 重试次数
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:param delay: 延迟时间
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:param backoff: 延迟倍数
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:param logger: 日志对象
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"""
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def deco_retry(f):
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def f_retry(*args, **kwargs):
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mtries, mdelay = tries, delay
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while mtries > 1:
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try:
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return f(*args, **kwargs)
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except ExceptionToCheck as e:
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msg = f"{str(e)}, {mdelay} 秒后重试 ..."
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if logger:
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logger.warn(msg)
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else:
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print(msg)
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time.sleep(mdelay)
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mtries -= 1
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mdelay *= backoff
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return f(*args, **kwargs)
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return f_retry
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return deco_retry
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