CRITICAL = 50 
ERROR = 40 
WARNING = 30 
INFO = 20 
DEBUG = 10 
NOTSET = 0 

[loggers] 
keys=root,simpleExample 
 
[handlers] 
keys=consoleHandler 
 
[formatters] 
keys=simpleFormatter 
 
[logger_root] 
level=DEBUG 
handlers=consoleHandler 
 
[logger_simpleExample] 
level=DEBUG 
handlers=consoleHandler 
qualname=simpleExample 
propagate=0 
 
[handler_consoleHandler] 
class=StreamHandler 
level=DEBUG 
formatter=simpleFormatter 
args=(sys.stdout,) 
 
[formatter_simpleFormatter] 
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s 
datefmt= 

import logging  
import logging.config  
  
logging.config.fileConfig("logging.conf")  # 采用配置文件   
  
# create logger   
logger = logging.getLogger("simpleExample")  
  
# "application" code   
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:utf-8 -*- 
#coding=utf-8 
 
import logging 
import os 
 
class Logger(object): 
  """ 
  封裝好的Logger工具 
  """ 
 
  def __init__(self, logPath): 
    """ 
    initial 
    """ 
    log_path = logPath 
    logging.addLevelName(20, "NOTICE:") 
    logging.addLevelName(30, "WARNING:") 
    logging.addLevelName(40, "FATAL:") 
    logging.addLevelName(50, "FATAL:") 
    logging.basicConfig(level=logging.DEBUG, 
        format="%(levelname)s %(asctime)s [pid:%(process)s] %(filename)s %(message)s", 
        datefmt="%Y-%m-%d %H:%M:%S", 
        filename=log_path, 
        filemode="a") 
    console = logging.StreamHandler() 
    console.setLevel(logging.DEBUG) 
    formatter = logging.Formatter("%(levelname)s [pid:%(process)s] %(message)s") 
    console.setFormatter(formatter) 
    logging.getLogger("").addHandler(console) 
 
  def debug(self, msg=""): 
    """ 
    output DEBUG level LOG 
    """ 
    logging.debug(str(msg)) 
 
  def info(self, msg=""): 
    """ 
    output INFO level LOG 
    """ 
    logging.info(str(msg)) 
 
  def warning(self, msg=""): 
    """ 
    output WARN level LOG 
    """ 
    logging.warning(str(msg)) 
 
  def exception(self, msg=""): 
    """ 
    output Exception stack LOG 
    """ 
    logging.exception(str(msg)) 
 
  def error(self, msg=""): 
    """ 
    output ERROR level LOG 
    """ 
    logging.error(str(msg)) 
 
  def critical(self, msg=""): 
    """ 
    output FATAL level LOG 
    """ 
    logging.critical(str(msg)) 
   
 
if __name__ == "__main__": 
  testlog = Logger("oupput.log") 
  testlog.info("info....") 
  testlog.warning("warning....") 
  testlog.critical("critical....") 
  try: 
    lists = [] 
    print lists[1] 
  except Exception as ex: 
    """logging.exception()輸出格式： 
    FATAL: [pid:7776] execute task failed. the exception as follows: 
    Traceback (most recent call last): 
      File "logtool.py", line 86, in <module> 
        print lists[1] 
    IndexError: list index out of range 
    """ 
    testlog.exception("execute task failed. the exception as follows:") 
    testlog.info("++++++++++++++++++++++++++++++++++++++++++++++") 
    """logging.error()輸出格式： 
    FATAL: [pid:7776] execute task failed. the exception as follows: 
    """ 
    testlog.error("execute task failed. the exception as follows:") 
    exit(1)