如何仅在Python中设置模块的日志记录级别?

问题描述

我正在使用logging.info输出有关脚本正在执行的操作的信息，并且我正在使用logging.basicConfig(level=logging.INFO)启用此功能.并且此(logging.basicConfig(level=logging.INFO))还影响我调用的其他模块(例如SQLAlchemy)，从而导致输出比我想要的还要冗长得多的方式.我可以为我的实际脚本将日志记录级别设置为INFO，但不能为它使用的第三方模块设置日志级别(我希望对它们使用警告)吗?

I am using logging.info to output information about what my script is doing and I am using logging.basicConfig(level=logging.INFO) to enable this. And this (logging.basicConfig(level=logging.INFO)) also affects other modules I invoke (e.g. SQLAlchemy) causing a way much more verbose output than I want. Can I set the logging level to INFO for my actual script but not for the 3rd-party modules it uses (I'd prefer it to be WARNING for them)?

推荐答案

执行此操作的通常方法是在模块的开头为当前模块定义一个记录器(通常基于文件名)，并参考这整个.

The normal way to do this is to define a logger for the current module - usually based on the file name - at the start of the module, and refer to this throughout.

import logging

logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)

def function_that_logs():
    logger.info('will log')   # note, using logger not logging
    logger.debug('will not log')

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