Python File logger也记录到stdout [英] Python File logger also logging to stdout

问题描述

在python 3.8中，我已将记录器配置为:

In python 3.8, I've configured logger as:

logging.root.handlers = []

fileHandler = RotatingFileHandler(logpath, maxBytes = 500000, backupCount = 10)
localLogFormatter = logging.Formatter("%(asctime)s [%(levelname)s] %(filename)s - %(funcName)s - %(message)s")
fileHandler.setFormatter(localLogFormatter)

file_logger = logging.getLogger('file_logger')
file_logger.setLevel(logging.INFO)
file_logger.addHandler(fileHandler)
constants.file_logger = file_logger

constants.file_logger.info("Fetching access token")

以上内容记录到文件，但也将以下内容输出到stdout:

The above logs to a file, but also prints following to stdout:

INFO:file_logger:获取访问令牌

INFO:file_logger:Fetching access token

我不希望将日志打印到标准输出.如何避免这种情况，并使日志仅打印到文件上?

I don't wish the log to be printed to stdout. How can I avoid this and make the log printed only to the file?

推荐答案

尝试使用basicConfig参数，并仅在其中传递Filehandler.不要通过 StreamHandler()

Try to use the basicConfig parameter and pass only the Filehandler in it. Don't pass the StreamHandler()

logging.basicConfig(handlers=[
        logging.FileHandler(<path to file>)
], format='%(asctime)s %(env)s %(levelname)s %(message)s')

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