python之logging模块

 1 #!/usr/bin/python 
 2 #encoding=utf-8 
 3 
 4 import logging
 5 
 6 logging.basicConfig(level=logging.DEBUG,
 7         format=‘%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s‘,
 8         datefmt=‘%a, %d %b %Y %H:%M:%S‘,
 9         filename=‘MYTEST.log‘, filemode=‘w‘)
10 
11 #定义一个StreamHandler
12 console = logging.StreamHandler()
13 console.setLevel(logging.INFO)
14 formatter = logging.Formatter(‘%(name)-12s: %(levelname)-8s %(message)s‘)
15 console.setFormatter(formatter)
16 logging.getLogger(‘‘).addHandler(console)
17 
18 from logging.handlers import RotatingFileHandler
19 #日志回滚handler 
20 Rthandler = RotatingFileHandler(‘MYTEST.log‘, maxBytes=10*1024*1024, backupCount=5)
21 Rthandler.setLevel(logging.INFO)
22 formatter = logging.Formatter(‘%s(name)-12s: %(levelname)-8s %(message)s‘)
23 Rthandler.setFormatter(formatter)
24 logging.getLogger(‘‘).addHandler(Rthandler)
25 
26 logging.debug("debgu message")
27 logging.info("info mesg")
28 logging.warning("warning msg")
29 
30 #通过logging.conf模块配置日志
31 #logger.conf 
32 """
33 [loggers]
34 keys=root, TEST1, TEST2  #TEST1, TEST2
35 [logger_root]
36 level=DEBUG
37 handlers = HANDLER1, HANDLER2
38 [logger_TEST1]
39 handlers = HANDLER1, HANDLER2 
40 qualname=TEST1
41 progate = 0 
42 [logger_TEST2]
43 handlers = HANDLER1, HANDLER2 
44 qualname=TEST2
45 progate = 0 
46 #########################################
47 [handlers]
48 keys=hand01,hand02,hand03
49 [handler_hand01]
50 class=StreamHandler
51 level=INFO
52 formatter=form02
53 args=(sys.stderr,)
54 [handler_hand02]
55 class=FileHandler
56 level=DEBUG
57 formatter=form01
58 level=DEBUG
59 formatter=form01
60 args=(‘myapp.log‘, ‘a‘)
61 [handler_hand03]
62 class=handlers.RotatingFileHandler
63 level=INFO
64 formatter=form02
65 args=(‘myapp.log‘, ‘a‘, 10*1024*1024, 5)
66 ###############################################
67 [formatters]
68 keys=form01,form02
69 [formatter_form01]
70 format=%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s
71 datefmt=%a, %d %b %Y %H:%M:%S
72 [formatter_form02]
73 format=%(name)-12s: %(levelname)-8s %(message)s
74 datefmt=%a, %d %b %Y %H:%M:%S
75 """
76 import logging
77 import logging.config
78 
79 logging.config.fileConfig("logger.conf")
80 logger = logging.getLogger("example01")
81 
82 logger.debug(‘This is debug message‘)
83 logger.info(‘This is info message‘)
84 logger.warning(‘This is warning message‘)