Python+Selenium进行UI自动化测试项目中，常用的小技巧4：日志打印，longging模块（控制台和文件同时输出）

 1 #coding=utf-8
 2 
 3 import logging
 4 import time
 5 import commonparameter
 6 
 7 class Log:
 8     def __init__(self):
 9         self.logname = commonparameter.log_path + ‘\\‘ + ‘Log‘ +time.strftime(‘%Y-%m-%d‘) + ‘.log‘
10 
11     def printconsole(self, level, message):
12         # 创建一个logger
13         logger = logging.getLogger(‘mylogger‘)
14         logger.setLevel(logging.DEBUG)
15         # 创建一个handler，用于写入日志文件
16         fh = logging.FileHandler(self.logname,‘a‘)
17         fh.setLevel(logging.DEBUG)
18         # 再创建一个handler，用于输出到控制台
19         ch = logging.StreamHandler()
20         ch.setLevel(logging.DEBUG)
21         # 定义handler的输出格式
22         formatter = logging.Formatter(‘%(asctime)s - %(name)s - %(levelname)s - %(message)s‘)
23         fh.setFormatter(formatter)
24         ch.setFormatter(formatter)
25         # 给logger添加handler
26         logger.addHandler(fh)
27         logger.addHandler(ch)
28         # 记录一条日志
29         if level == ‘info‘:
30             logger.info(message)
31         elif level == ‘debug‘:
32             logger.debug(message)
33         elif level == ‘warning‘:
34             logger.warning(message)
35         elif level == ‘error‘:
36             logger.error(message)
37         logger.removeHandler(ch)
38         logger.removeHandler(fh)
39 
40     def debug(self,message):
41         self.printconsole(‘debug‘, message)
42 
43     def info(self,message):
44         self.printconsole(‘info‘, message)
45 
46     def warning(self,message):
47         self.printconsole(‘warning‘, message)
48 
49     def error(self,message):
50         self.printconsole(‘error‘, message)
51 
52 if __name__ == ‘__main__‘:
53     log = Log()
54     log.info(‘info msg1000013333‘)
55     log.debug(‘debug msg‘)
56     log.warning(‘warning msg‘)
57     log.error(‘error msg‘)