我的脚本每5秒执行一次。错误记录到文件中。这意味着,如果出现错误,日志文件每5秒就会因同一错误而肿。
while True:
try:
i_might_fail() # As long as this line fails...
except Exception as ex:
logger.error(ex) # ... the log file gets bloated
time.sleep(5)
不可能终止脚本。它必须每5秒重试一次。
我正在寻找一种日志记录功能,以在x分钟内忽略相同的异常:
logger.ignore_duplicates_for(10, 'minutes')
有什么主意吗? 预先感谢!
答案 0 :(得分:2)
此功能可以通过以下方式实现:
import logging
import time
import datetime
logger = logging.getLogger(__file__)
TIMEDELTA = datetime.timedelta(seconds=5)
def error_without_duplicates(self, msg, *args, **kwargs):
if not hasattr(self, 'msg_cache'):
self.msg_cache = {}
str_msg = str(msg)
now = datetime.datetime.utcnow()
if str_msg not in self.msg_cache:
self.error(msg, *args, **kwargs)
self.msg_cache[str_msg] = now
elif now - self.msg_cache[str_msg] > TIMEDELTA:
self.error(msg, *args, **kwargs)
self.msg_cache[str_msg] = now
logging.Logger.error_without_duplicates = error_without_duplicates
while True:
try:
a = 1 /0
except Exception as ex:
logger.error_without_duplicates(ex) # every 5 seconds, not 1
time.sleep(1)