Python Blog Park example, focus on using adorners

# -*- coding:utf-8 -*-import timelogin_state = falseuser_dict = {' Username ':  none}def register ():  #  registration function     while True:         username = input ("Please enter your registered account:"). Strip ()          password = input ("Please enter your registration password:"). Strip ()          with open ("register",  encoding= "UTF-8") as reg:             for i in reg:                 list_reg = i.strip (). Split (', ')                  if username  == list_reg[0]:                    &nbsP;print ("User name already exists, please re-enter")                      break             else:                 With open ("register",  encoding= "UTF-8",  mode= "a") as ligo:                     ligo.write (' \n{},{} ' . Format (Username, password))                      print ("Registration successful")                      return truedef login ():   #  Login Function     global login_state    global user _dict    i = 0  #  counters     while i < 3:  #  After more than 3 times, the login failed         username = input ("Please enter your account:"). Strip ()          password = input ("Please enter your password:"). Strip ()   #  Remove space and change         with open (' register ',  encoding= ' UTF-8 ') as  f1:            for line in f1 :  #  Loop reads the contents of the registration file                  line_list = line.strip (). Split (', ')                  if username == line_list[0] and  password == line_list[1]:                 &nBsp;   print ("******* Landing success *******")                      login_state = True                     user_ dict = line_list[0]                     return True             else:                 print ("Account or password input error")             i  += 1def log (E):     def loge ():         log_time = time.strftime ("%y-%m-%d %h:%m:%s",  time.localtime ())           With open ("Log",  encoding= "UTF-8",  mode= "a")  as logg:             logg.write (' \n{},{} landed and executed the {} function '. Format (log_time, user_dict,  e.__name__))         e ()     return  Logedef jian_ce (f):  #  authentication function, detects whether the user is logged in     def inner ():         global login_state        if  login_state == False:             Print ("You have not logged in, please log in before executing the program")             login ()          else:             f ()     return innerdef logoff ():  #  logout function      global login_state    if login_state == true:         login_state = false        print ("logout success")          return login_state    else:         print ("You have not logged in, do not need to log out") @jian_ce   #  syntax sugar, decorator @logdef wen_ Zhang ():     print ("This is the article page") @jian_ce   #  syntax sugar, decorator @logdef ri_ji ():     print ("This is the Diary page") @jian_ce   #  syntax sugar, decorator @logdef ping_lun ():     print ("This is the Comment page") @jian_ce   #  syntax sugar, adorner @logdef shou_cang ():     print ( "This is the Collection page") xu_dict = {  #  defines a dictionary that holds the serial number correspondence function     1: login,     2: register,    3: wen_zhang,    4:  Ri_ji,   &nbSp;5: ping_lun,    6: shou_cang,    7: logoff}while  true:    print ("-------Welcome to Blog Park-------        &NBSP;1: Please login         2: please register          3: Article page         4: Diary page          5: Comment Page         6: Favorites Page          7: Logoff         8: Exit program           ')     xu_hao = input ("Please enter serial number:"). Strip ()     if  Xu_hao.isdigit ():         xu_hao = int (Xu_hao)          if xu_hao > 0 and xu_hao <= len ( XU_DICT):     &Nbsp;       xu_dict[xu_hao] ()          elif xu_hao == 8:             Break            print ("Good-bye!" Exit program Success ")         else:             print ("The serial number you entered does not exist")     else:         print ("The serial number you entered has illegal characters")

Python Blog Park example, focus on using adorners