text: import abc
  
  import six
  
  
  @six.add_metaclass(abc.ABCMeta)
  class Service(object):
  
      @abc.abstractmethod
      def get_series_by_name(self, series_name):
          """Perform lookup for series
  
          :param str series_name: series name found within filename
          :returns: instance of series
          :rtype: object
          """
          raise NotImplementedError
  
      @abc.abstractmethod
      def get_series_by_id(self, series_id):
          """Perform lookup for series
  
          :param int series_id: series id of series
          :returns: instance of series
          :rtype: object
          """
          raise NotImplementedError
  
      @abc.abstractmethod
      def get_series_name(self, series):
          """Perform lookup for name of series
  
          :param object series: instance of a series
          :returns: name of series
          :rtype: str
          """
          raise NotImplementedError
  
      @abc.abstractmethod
      def get_episode_name(self, series, episode_numbers, season_number):
          """Perform lookup for name of episode numbers for a given series.
  
          :param object series: instance of a series
          :param list episode_numbers: the episode sequence number
          :param int season_number: numeric season of series
          :returns: list of episode name
          :rtype: list(str)
          """
          raise NotImplementedError
  