def send(self, data, flags=None): # real signature unknown; restored from __doc__
 """
 send(data[, flags]) -> count

 Send a data string to the socket. For the optional flags
 argument, see the Unix manual. Return the number of bytes
 sent; this may be less than len(data) if the network is busy.
 """
 pass

 def sendall(self, data, flags=None): # real signature unknown; restored from __doc__
 """
 sendall(data[, flags])

 Send a data string to the socket. For the optional flags
 argument, see the Unix manual. This calls send() repeatedly
 until all data is sent. If an error occurs, it's impossible
 to tell how much data has been sent.
 """
 pass

#encoding=utf-8

import os, sys
import datetime
import time


class Mylog(object):

 # 根文件夾
 root_dir = sys.path[0]
 # 根目錄
 root_path = sys.path[0] + os.path.sep
 # 系統(tǒng)目錄分割線
 sys_sep = os.path.sep
 # 配置
 option = {
 # 日志級別： 0：全部，1：調(diào)試，2：警告，3：錯誤
 'level': 0,
 # 是否開啟，如果關(guān)閉則不輸出也不記錄日志
 'is_open': True,
 # 是否print輸出
 'is_print': True,
 # 是否記錄到日志文件
 'is_write': True,
 # 是否在每條日志內(nèi)容前面加前綴
 'is_prefix': True,
 # 如果開啟了每條日志前加前綴，設(shè)置日志級別為1的前綴
 'level_1_prefix': 'Test: ',
 # 如果開啟了每條日志前加前綴，設(shè)置日志級別為2的前綴
 'level_2_prefix': 'Warning: ',
 # 如果開啟了每條日志前加前綴，設(shè)置日志級別為3的前綴
 'level_3_prefix': 'Error: ',
 # 存放日志文件的根文件夾名稱
 'root_dir_name': 'mylog',
 # 自定義存放日志文件的文件名稱，此文件夾是在 root_dir_name 文件夾下
 'dir_name': ''
 }

 def __init__(self, config=None):
 if config is not None:
  self.option.update(dict(config))

 # 日志保存的文件夾（全路徑）
 save_dir = self.root_path + self.option['root_dir_name']

 # 創(chuàng)建文件夾
 if os.path.isdir(save_dir) is not True:
  os.mkdir(save_dir)
 if len(self.option['dir_name']) > 0:
  save_dir += self.sys_sep + self.option['dir_name']
  if os.path.isdir(save_dir) is not True:
  os.mkdir(save_dir)

 self.save_dir = save_dir
 self.save_path = save_dir + self.sys_sep

 '''
 輸入日志／記錄日志
 '''
 def log(self, content='', level=0):
 self._print_log(content, level)
 self._write_log(content, level)

 '''
 輸入日志
 '''
 def _print_log(self, content, level):
 if self.option['is_open'] is True and self.option['is_print'] is True:
  if self.option['level'] == 0 or self.option['level'] == level:
  if level > 0:
   content = self.option['level_' + str(level) + '_prefix'] + content
  print(content)

 '''
 記錄日志
 '''
 def _write_log(self, content, level):
 if self.option['is_open'] is True and self.option['is_print'] is True:
  if self.option['level'] == 0 or self.option['level'] == level:
  if self.option['is_prefix'] is True:
   today = datetime.date.today()
   file_name = str(today) + '.log'
   now = time.strftime("%H:%M:%S")
   log_file = self.save_path + file_name
   if level > 0:
   content = self.option['level_' + str(level) + '_prefix'] + content
   if os.path.isfile(log_file):
   save_file = open(log_file, 'a')
   else:
   save_file = open(log_file, 'w')
   save_file.write(str(now) + "\r\n" + content + "\r\n")
   save_file.close()


 

**重點內(nèi)容
#!/usr/bin/env python
#-*- coding: GBK -*-
__author__ = 'DiaoHuabin'

import logging
import getpass
import sys

#定義MyLog類
class MyLog(object):
 '''這個類用于創(chuàng)建一個自用的log'''
 def __init__(self): #類MyLog的構(gòu)造函數(shù)
 user = getpass.getuser() #返回用戶的登錄名
 self.logger = logging.getLogger(user) #返回一個特定名字的日志
 self.logger.setLevel(logging.DEBUG) #對顯示的日志信息設(shè)置一個閾值低于DEBUG級別的不顯示
 logFile = './'+sys.argv[1][0:-3] + '.log' # 日志文件名
 formatter = logging.Formatter('%(asctime)-12s $(levelname)-8s %(name)-10s %(message)-12s')

 '''日志顯示到屏幕上并輸出到日志文件內(nèi)'''
 logHand = logging.FileHandler(logFile) #輸出日志文件，文件名是logFile
 logHand.setFormatter(formatter) #為logHand以formatter設(shè)置格式
 logHand.setLevel(logging.ERROR) #只有錯誤才被記錄到logfile中

 logHandSt = logging.StreamHandler() #class logging.StreamHandler(stream=None)
 # 返回StreamHandler類的實例，如果stream被確定，使用該stream作為日志輸出，反之，使用
 #sys.stderr
 logHandSt.setFormatter(formatter) #為logHandSt以formatter設(shè)置格式

 self.logger.addHandler(logHand) #添加特定的handler logHand到日志文件logger中
 self.logger.addHandler(logHandSt) #添加特定的handler logHandSt到日志文件logger中

 '''日志的5個級別對應(yīng)以下的五個函數(shù)'''
 def debug(self,msg):
 self.logger.debug(msg) #Logs a message with level DEBUG on this logger.
 # The msg is the message format string

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

 def warn(self,msg):
 self.logger.warn(msg)

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

 def critical(self,msg):
 self.logger.critical(msg)

if __name__ == '__main__':
 mylogw = MyLog()
 mylogw.debug("I'm debug")
 mylogw.info("I'm info")
 mylogw.warn("I'm warn")
 mylogw.error("I'm error")
 mylogw.critical("I'm critical")