text: # -*- coding: utf-8 -*-
  
  
  class LoadError(Exception):
      def __init__(self, name):
          self.name = name
  
      def __str__(self):
          return 'Can not load %s ,Check spider file <Apps.xxx.py , Models.xxxItems.py> is correct !' % self.name
  
      __repr__ = __str__
  
  
  class ReturnTypeError(Exception):
      def __init__(self, name):
          self.name = name
  
      def __str__(self):
          return 'Return Type must be %s .' % self.name.__name__
  
      __repr__ = __str__
  
  
  class ParameterError(Exception):
      def __init__(self, whos, name):
          self.name = name
          self.whos = whos
  
      def __str__(self):
          return '%s parameter must be %s .' % (self.whos.__name__, self.name.__name__)
  
      __repr__ = __str__
  
  
  class RetryError(Exception):
      def __init__(self, times, url, err):
          self.url = url
          self.times = times
          self.err = err
  
      def __str__(self):
          return 'Request <%s> Retry <%d> times still failed ,error:\n\n       %s' % (self.url, self.times, self.err)
  
      __repr__ = __str__
  
  
  class ConfigError(Exception):
      def __init__(self, name):
          self.name = name
  
      def __str__(self):
          return 'Error of %s config in settings .' % self.name
  
      __repr__ = __str__
  
  
  class RequestUrl(Exception):
  
      def __str__(self):
          return 'URL must be type str !'
  
      __repr__ = __str__
  