一、默认日志配置
在django 1.4中默认有一个简单的日志配置，如下
# A sample logging configuration. The only tangible logging
# performed by this configuration is to send an email to
# the site admins on every HTTP 500 error when DEBUG=False.
# See http://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = {
‘version‘: 1,
‘disable_existing_loggers‘: False,
‘filters‘: {
‘require_debug_false‘: {
‘()‘: ‘django.utils.log.RequireDebugFalse‘
}
},
‘handlers‘: {
‘mail_admins‘: {
‘level‘: ‘ERROR‘,
‘filters‘: [‘require_debug_false‘],
‘class‘: ‘django.utils.log.AdminEmailHandler‘
}
},
‘loggers‘: {
‘django.request‘: {
‘handlers‘: [‘mail_admins‘],
‘level‘: ‘ERROR‘,
‘propagate‘: True,
},
}
}
可以看出默认的‘disable_existing_loggers’值为False。
默认没有定义formatters。
字典中，组结束没有加逗号，所以在增加时需要写上。
二、简单例子
1、配置settings.py中LOGGING
增加下面绿色部分内容配置。
LOGGING = {
‘version‘: 1,
‘disable_existing_loggers‘: False,
‘formatters‘: {
‘standard‘: {
‘format‘: ‘%(levelname)s %(asctime)s %(message)s‘
},
},
‘filters‘: {
‘require_debug_false‘: {
‘()‘: ‘django.utils.log.RequireDebugFalse‘
},
},
‘handlers‘: {
‘mail_admins‘: {
‘level‘: ‘ERROR‘,
‘filters‘: [‘require_debug_false‘],
‘class‘: ‘django.utils.log.AdminEmailHandler‘
},
‘test1_handler‘:{
‘level‘:‘DEBUG‘,
‘class‘:‘logging.handlers.RotatingFileHandler‘,
‘filename‘:‘/yl/smartcloud/smartcloud/lxytest.log‘,
‘formatter‘:‘standard‘,
},
},
‘loggers‘: {
‘django.request‘: {
‘handlers‘: [‘mail_admins‘],
‘level‘: ‘ERROR‘,
‘propagate‘: True,
},
‘test1‘:{
‘handlers‘:[‘test1_handler‘],
‘level‘:‘INFO‘,
‘propagate‘:False
},
}
}
配置中level，filename之类的可自定义，需要几个文件就配置几个handler和logger。
2、使用
- 导入logging
- 如果在用到log的view.py中，想使用test1这个日志，就写：
- log=logging.getLogger(‘test1‘)
- log.error()
- 在日志内容中传递变量，log.error("Get html error, %s" % (e))
#!/usr/bin/python
#-*- coding: UTF-8 -*-
import logging
from django.http import HttpResponseRedirect,HttpResponse, Http404
from django.shortcuts import render_to_response, get_object_or_404
from django.template import RequestContext
log=logging.getLogger(‘test1‘)
def getHtml(request,arg):
try:
url=request.path
url=url[1:]
return render_to_response(url,RequestContext(request))
except Exception,e:
#log.error("Get html error, %s" % (e))
log.error("日志内容")
raise Http404
使用变量后的log如下：
三、封装django logging模块
django自带的logging模块也是可以用的，如果要求更高，希望加一些自定义的颜色，格式等，可进行下面操作。
1、将log封装成一个单独的app
[[email protected] log]# django-admin.py startapp log [[email protected] log]# ls __init__.py models.py tests.py views.py
2、创建一个log.py，内容如下
#!/usr/bin/python
import os
import sys
import time
sys.path.append("..")
import conf
import logging
import logging.handlers
try:
import curses
curses.setupterm()
except:
curses = None
default_logfile = getattr(conf,‘SMARTCLOUD_LOGFILE‘)class Singleton(type):
"""Singleton Metaclass"""
def __init__(cls,name,bases,dic):
super(Singleton,cls).__init__(name,bases,dic)
cls.instance = None
def __call__(cls, *args, **kwargs):
if cls.instance is None:
cls.instance = super(Singleton,cls).__call__(*args,**kwargs)
return cls.instance
class MessageFormatter(logging.Formatter):
def __init__(self,color,*args,**kwargs):
logging.Formatter.__init__(self,*args,**kwargs)
self._color=color
if color and curses:
fg_color = unicode(curses.tigetstr("setaf") or curses.tigetstr("setf") or "", "ascii")
self._colors={
logging.DEBUG: unicode(curses.tparm(fg_color,2),"ascii"),
logging.INFO: unicode(curses.tparm(fg_color,6),"ascii"),
logging.WARNING: unicode(curses.tparm(fg_color, 3), "ascii"),
logging.ERROR: unicode(curses.tparm(fg_color, 5), "ascii"),
logging.FATAL: unicode(curses.tparm(fg_color, 1), "ascii"),
}
self._normal = unicode(curses.tigetstr("sgr0"), "ascii")
def format(self,record):
try:
record.message = record.getMessage()
except Exception, e:
record.message = "Bad message (%r): %r" % (e, record.__dict__)
record.asctime = time.strftime("%Y/%m/%d %H:%M:%S", self.converter(record.created))
prefix = ‘[%(levelname)-8s %(asctime)s] ‘ % record.__dict__
if self._color and curses:
prefix = (self._colors.get(record.levelno, self._normal) + prefix + self._normal)
formatted = prefix + record.message
if record.exc_info:
if not record.exc_text:
record.exc_text = self.formatException(record.exc_info)
if record.exc_text:
formatted = formatted.rstrip() + "\n" + record.exc_text
return formatted.replace("\n", "\n ")
class MessageLog(object):
__metaclass__ = Singleton
def __init__(self, logfile=default_logfile,):
self._LEVE = {1:logging.INFO, 2:logging.WARNING, 3:logging.ERROR, 4:logging.DEBUG, 5:logging.FATAL}
self.loger = logging.getLogger()
self._logfile = logfile
self.init()
def init(self):
if not os.path.exists(self._logfile):
os.mknod(self._logfile)
handler = logging.handlers.RotatingFileHandler(self._logfile)
handler.setFormatter(MessageFormatter(color=True))
self._handler = handler
self.loger.addHandler(handler)
def INFO(self,msg,leve=1):
self.loger.setLevel(self._LEVE[leve])
self.loger.info(msg)
def WARNING(self, msg, leve=2):
self.loger.setLevel(self._LEVE[leve])
self.loger.warning(msg)
def ERROR(self, msg, leve=3):
self.loger.setLevel(self._LEVE[leve])
self.loger.error(msg)
def DEBUG(self, msg, leve=4):
self.loger.setLevel(self._LEVE[leve])
self.loger.debug(msg)
def FATAL(self, msg, leve=5):
self.loger.setLevel(self._LEVE[leve])
self.loger.fatal(msg)
conf.py是一个配置文件，在log app同目录，里面配置了log文件目录。
import os SMARTCLOUD_LOGFILE=‘/yl/smartcloud/log/smartcloud.log‘
3、测试
在log.py结果加上一段测试代码如下：
if __name__ == "__main__":
LOG = MessageLog()
str1 = "aaaaaaaa"
str2 = "bbbbbbbbbb"
LOG.INFO("#%s###################################"
"@@@@%[email protected]@@@@@@@@@@" %(str1,str2))
LOG.WARNING("####################################")
LOG.ERROR("####################################")
LOG.DEBUG("####################################")
LOG.FATAL("####################################")
测试结果如下：
4、在view中使用
usage e.g: from log import MessageLog LOG = MessageLog(‘your log file by full path‘) or LOG = MessageLog() default logfile name is ‘/yl/smartcloud/log/smartcloud.log‘ LOG.INFO(‘some message‘) LOG.WARNING(‘some message‘) LOG.ERROR(‘some message‘) LOG.DEBUG(‘some message‘) LOG.FATAL(‘some message‘)
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时间： 2024-12-28 20:32:52