import logging
logger = logging.getLogger("simple_example")
logger.setLevel(logging.DEBUG)
# 建立一个filehandler来把日志记录在文件里，级别为debug以上
fh = logging.FileHandler("spam.log")
fh.setLevel(logging.DEBUG)
# 建立一个streamhandler来把日志打在CMD窗口上，级别为error以上
ch = logging.StreamHandler()
ch.setLevel(logging.ERROR)
# 设置日志格式
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
ch.setFormatter(formatter)
fh.setFormatter(formatter)
#将相应的handler添加在logger对象中
logger.addHandler(ch)
logger.addHandler(fh)
# 开始打日志
logger.debug("debug message")
logger.info("info message")
logger.warn("warn message")
logger.error("error message")
logger.critical("critical message")

#! /usr/bin/env python
#coding=gbk
import logging,os

class Logger:
 def __init__(self, path,clevel = logging.DEBUG,Flevel = logging.DEBUG):
  self.logger = logging.getLogger(path)
  self.logger.setLevel(logging.DEBUG)
  fmt = logging.Formatter('[%(asctime)s] [%(levelname)s] %(message)s', '%Y-%m-%d %H:%M:%S')
  #设置CMD日志
  sh = logging.StreamHandler()
  sh.setFormatter(fmt)
  sh.setLevel(clevel)
  #设置文件日志
  fh = logging.FileHandler(path)
  fh.setFormatter(fmt)
  fh.setLevel(Flevel)
  self.logger.addHandler(sh)
  self.logger.addHandler(fh)

 def debug(self,message):
  self.logger.debug(message)

 def info(self,message):
  self.logger.info(message)

 def war(self,message):
  self.logger.warn(message)

 def error(self,message):
  self.logger.error(message)

 def cri(self,message):
  self.logger.critical(message)

if __name__ =='__main__':
 logyyx = Logger('yyx.log',logging.ERROR,logging.DEBUG)
 logyyx.debug('一个debug信息')
 logyyx.info('一个info信息')
 logyyx.war('一个warning信息')
 logyyx.error('一个error信息')
 logyyx.cri('一个致命critical信息')

logobj = Logger(‘filename',clevel,Flevel)

#! /usr/bin/env python
#coding=gbk
import logging,os
import ctypes

FOREGROUND_WHITE = 0x0007
FOREGROUND_BLUE = 0x01 # text color contains blue.
FOREGROUND_GREEN= 0x02 # text color contains green.
FOREGROUND_RED = 0x04 # text color contains red.
FOREGROUND_YELLOW = FOREGROUND_RED | FOREGROUND_GREEN

STD_OUTPUT_HANDLE= -11
std_out_handle = ctypes.windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
def set_color(color, handle=std_out_handle):
 bool = ctypes.windll.kernel32.SetConsoleTextAttribute(handle, color)
 return bool

class Logger:
 def __init__(self, path,clevel = logging.DEBUG,Flevel = logging.DEBUG):
  self.logger = logging.getLogger(path)
  self.logger.setLevel(logging.DEBUG)
  fmt = logging.Formatter('[%(asctime)s] [%(levelname)s] %(message)s', '%Y-%m-%d %H:%M:%S')
  #设置CMD日志
  sh = logging.StreamHandler()
  sh.setFormatter(fmt)
  sh.setLevel(clevel)
  #设置文件日志
  fh = logging.FileHandler(path)
  fh.setFormatter(fmt)
  fh.setLevel(Flevel)
  self.logger.addHandler(sh)
  self.logger.addHandler(fh)

 def debug(self,message):
  self.logger.debug(message)

 def info(self,message):
  self.logger.info(message)

 def war(self,message,color=FOREGROUND_YELLOW):
  set_color(color)
  self.logger.warn(message)
  set_color(FOREGROUND_WHITE)

 def error(self,message,color=FOREGROUND_RED):
  set_color(color)
  self.logger.error(message)
  set_color(FOREGROUND_WHITE)

 def cri(self,message):
  self.logger.critical(message)

if __name__ =='__main__':
 logyyx = Logger('yyx.log',logging.WARNING,logging.DEBUG)
 logyyx.debug('一个debug信息')
 logyyx.info('一个info信息')
 logyyx.war('一个warning信息')
 logyyx.error('一个error信息')
 logyyx.cri('一个致命critical信息')

[loggers] 
keys=root,main 
 
[handlers] 
keys=consoleHandler,fileHandler 
 
[formatters] 
keys=fmt 
 
[logger_root] 
level=DEBUG 
handlers=consoleHandler 
 
[logger_main] 
level=DEBUG 
qualname=main 
handlers=fileHandler 
 
[handler_consoleHandler] 
class=StreamHandler 
level=DEBUG 
formatter=fmt 
args=(sys.stdout,) 
 
[handler_fileHandler] 
class=logging.handlers.RotatingFileHandler 
level=DEBUG 
formatter=fmt 
args=('tst.log','a',20000,5,) 
 
[formatter_fmt] 
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s 
datefmt= 

import logging 
import logging.config 
 
logging.config.fileConfig('logging.conf') 
root_logger = logging.getLogger('root') 
root_logger.debug('test root logger...') 
 
logger = logging.getLogger('main') 
logger.info('test main logger') 
logger.info('start import module \'mod\'...') 
import mod 
 
logger.debug('let\'s test mod.testLogger()') 
mod.testLogger() 
 
root_logger.info('finish test...') 

import logging 
import submod 
 
logger = logging.getLogger('main.mod') 
logger.info('logger of mod say something...') 
 
def testLogger(): 
  logger.debug('this is mod.testLogger...') 
  submod.tst() 

import logging 
 
logger = logging.getLogger('main.mod.submod') 
logger.info('logger of submod say something...') 
 
def tst(): 
  logger.info('this is submod.tst()...') 

2012-03-09 18:22:22,793 - root - DEBUG - test root logger... 
2012-03-09 18:22:22,793 - main - INFO - test main logger 
2012-03-09 18:22:22,809 - main - INFO - start import module 'mod'... 
2012-03-09 18:22:22,809 - main.mod.submod - INFO - logger of submod say something... 
2012-03-09 18:22:22,809 - main.mod - INFO - logger say something... 
2012-03-09 18:22:22,809 - main - DEBUG - let's test mod.testLogger() 
2012-03-09 18:22:22,825 - main.mod - DEBUG - this is mod.testLogger... 
2012-03-09 18:22:22,825 - main.mod.submod - INFO - this is submod.tst()... 
2012-03-09 18:22:22,841 - root - INFO - finish test... 

2012-03-09 18:22:22,793 - main - INFO - test main logger 
2012-03-09 18:22:22,809 - main - INFO - start import module 'mod'... 
2012-03-09 18:22:22,809 - main.mod.submod - INFO - logger of submod say something... 
2012-03-09 18:22:22,809 - main.mod - INFO - logger say something... 
2012-03-09 18:22:22,809 - main - DEBUG - let's test mod.testLogger() 
2012-03-09 18:22:22,825 - main.mod - DEBUG - this is mod.testLogger... 
2012-03-09 18:22:22,825 - main.mod.submod - INFO - this is submod.tst()...