Python日志处理

 1 import logging
 2 import sys
 3 
 4 
 5 class Logger():
 6     ‘‘‘
 7     日志处理类
 8     ‘‘‘
 9     __logger = None
10 
11     def __init__(self, log_file="", log_console=False, log_format="%(asctime)s - %(levelname)s - %(message)s", log_setlevel=logging.DEBUG):
12         ‘‘‘
13         构造函数：根据参数设置__logger
14         ‘‘‘
15         # 如果未设置日志文件和控制台，返回None，结束运行
16         if log_file == "" and log_console is False:
17             return None
18         else:
19             # 日志处理基本设置
20             self.__logger = logging.getLogger(__name__)  # 新建一个logging对象
21             self.__logger.setLevel(level=log_setlevel)  # 设置日志记录等级
22             logging_formatter = logging.Formatter(log_format)
23             # 如果定义了日志文件，则设置日志文件
24             if log_file != "":
25                 # 设置日志文件
26                 logging_file = logging.FileHandler(log_file)
27                 logging_file.setLevel(level=log_setlevel)
28                 logging_file.setFormatter(logging_formatter)
29                 self.__logger.addHandler(logging_file)
30             # 如果定义了控制台，则设置控制台
31             if log_console is True:
32                 # 设置控制台
33                 logging_console = logging.StreamHandler(stream=sys.stdout)
34                 logging_console.setLevel(level=log_setlevel)
35                 logging_console.setFormatter(logging_formatter)
36                 self.__logger.addHandler(logging_console)
37 
38     def logger_record(self, logger_level, logger_message):
39         ‘‘‘日志记录进程‘‘‘
40         if logger_level == ‘DEBUG‘:
41             self.__logger.debug(logger_message)
42         if logger_level == ‘INFO‘:
43             self.__logger.info(logger_message)
44         if logger_level == ‘WARNING‘:
45             self.__logger.warning(logger_message)
46         if logger_level == ‘ERROR‘:
47             self.__logger.error(logger_message)
48         if logger_level == ‘CRITICAL‘:
49             self.__logger.critical(logger_message)
50 
51 
52 if __name__ == ‘__main__‘:
53     log = Logger(log_file=r‘.\log\test.log‘, log_console=True)
54     log.logger_record(‘INFO‘, ‘hello,world!‘)