真实logging的构建

news2024/11/15 14:07:10

import logging
import os.path
import time

import colorlog
from logging.handlers import RotatingFileHandler


default_formats = {
  # 终端输出格式
  'color_format': '%(log_color)s%(asctime)s-%(name)s-%(filename)s-'
                  '[line:%(lineno)d]-%(levelname)s-[log-messge]: %(message)s',
  # 日志输出格式
  'log_format': '%(asctime)s-%(name)s-%(filename)s-[line:%(lineno)d]'
                '-%(levelname)s-[log-messge]: %(message)s'
}

log_colors_config = {
  # 终端输出日志颜色配置
  'DEBUG': 'white',
  'INFO': 'cyan',
  'WARNING': 'yellow',
  'ERROR': 'red',
  'CRITICAL': 'bold_red',
}


def get_logger(module_name='logger', max_megabyte=50, log_count=3):
    # 构建日志记录器
    logger = logging.getLogger(module_name)
    # 构建日志文件处理器
    time_temp = time.strftime(" %Y-%m-%d %H.%M.%S", time.localtime())
    logdir = os.path.join(os.path.dirname(__file__), 'logdir',
                          module_name + time_temp + '.log')
    file_handler = RotatingFileHandler(
        filename=logdir, maxBytes=max_megabyte*1024*1024,
        encoding='utf-8', backupCount=log_count)
    file_handler.setLevel(logging.DEBUG)
    file_handler.setFormatter(default_formats.get('log_format'))
    # 构建日志控制台输出处理器
    stream_handler = colorlog.StreamHandler()
    stream_handler.setLevel(logging.DEBUG)
    stream_handler.setFormatter(
        colorlog.ColoredFormatter(
            default_formats.get('color_format'), log_colors=log_colors_config))
    # 组合处理器和记录器
    logger.addHandler(file_handler)
    logger.addHandler(stream_handler)
    logger.setLevel(logging.DEBUG)
    return logger


if __name__ == '__main__':
    mylogger = get_logger()
    mylogger.debug('this is debug log msg')
    mylogger.info('this is info log msg')
    mylogger.error('this is error log msg')

这是样式：