关于logging的占位符的使用。

logging.info("错误信息,占位符1{},占位符2{}", 参数1, 参数2)

但是如果是这种呢?

logging.info(

f"Loading features from cached file {cached_features_file} [took %.3f s]", time.time() - start

)

Python里面的描述:

import logging

logger = logging.getLogger(__name__)
print(logger)
<Logger __main__ (WARNING)>

logging有5个级别,默认是warning。只有在默认级别及以上的会被注意到。

Python:关于logging的使用

from pyhanlp import *
import sys
import logging
import time
​
logging.info("tttt")
​
logger = logging.getLogger(__name__)
print(logger)
start = time.time()
cached_features_file = "ok"
logging.info(f"Loading features from cached file {cached_features_file} [took %.3f s]", time.time() - start)
logging.warning("sdadacda")

结果:

<Logger main (WARNING)> WARNING:root:sdadacda

关于logging的使用,我用的地方还很少,主要都是参考下面链接。

参考链接:https://zhuanlan.zhihu.com/p/36609656

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