docs: def login(self, user_id, password, svctype = "Android NDrive App ver", auth = 0):
          """Log in Naver and get cookie
  
          Agrs:
              user_id: Naver account's login id
              password: Naver account's login password
  
          Returns:
              True: Login success
              False: Login failed
  
          Remarks:
              self.cookie is a dictionary with 5 keys: path, domain, NID_AUT, nid_inf, NID_SES
          """
          self.user_id = user_id
          self.password = password
  
          if self.user_id == None or self.password == None:
              print "[*] Error __init__: user_id and password is needed"
              return False
  
          try:
              cookie = naver_login(user_id, password)
          except:
              return False
  
          self.session.cookies.set('NID_AUT', cookie["NID_AUT"])
          self.session.cookies.set('NID_SES', cookie["NID_SES"])
  
          s = self.getRegisterUserInfo(svctype, auth)
  
          if s is True:
              return True
          else:
              print "[*] Error getRegisterUserInfo: failed"
              return False