flask应用程序的自定义记录器格式化程序不起作用?

问题描述 投票:0回答:1

我已经读过Flask - How to store logs and add additional information,依此类推。

但是我不想到处都写extra={}这样的代码。

我尝试通过使用AppFormatter来定制FlaskApp的自定义记录器,但是它不起作用。这是代码示例:

import logging
from flask import session, Flask
from logging.handlers import RotatingFileHandler


class AppFormatter(logging.Formatter):
    def format(self, record):
        # fixme: AppFormatter.format is not called
        s = super(AppFormatter, self).format(record)
        user_id = session.get('user_id', '?')
        username = session.get('fullanme', '??')
        msg = '{} - {} - {}'.format(s, user_id, username)
        return msg


LOG_FORMAT = '[%(asctime)s]%(module)s - %(funcName)s - %(message)s'
defaultFormat = AppFormatter(LOG_FORMAT)


def initLogger(logger, **kwargs):
    file = kwargs.pop('file', 'debug.log')
    fmt = kwargs.pop('format', defaultFormat)
    level = kwargs.pop('level', logging.DEBUG)
    maxBytes = kwargs.pop('maxBytes', 10 * 1024 * 1024)
    backupCount = kwargs.pop('backupCount', 5)

    hdl_file = RotatingFileHandler(file, maxBytes=maxBytes, backupCount=backupCount)
    hdl_file.setLevel(level)
    logger.addHandler(hdl_file)
    for hdl in logger.handlers:
        hdl.setFormatter(fmt)


app = Flask(__name__)
initLogger(app.logger)
app.run()

为什么AppFormatter.format标准输出消息时不调用app.logger?>

我已经阅读了Flask-如何存储日志和添加其他信息,等等。但我不想到处都写类似extra = {}的代码。我尝试使用AppFormatter来定制FlaskApp的自定义记录器,但它...

python logging flask formatter
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尝试一下

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