code: def get_show_id(self, series, year=None, country_code=None):
          
          series_sanitized = sanitize(series).lower()
          show_ids = self._get_show_ids()
          show_id = None
  
          # attempt with country
          if not show_id and country_code:
              logger.debug('Getting show id with country')
              show_id = show_ids.get('%s %s' % (series_sanitized, country_code.lower()))
  
          # attempt with year
          if not show_id and year:
              logger.debug('Getting show id with year')
              show_id = show_ids.get('%s %d' % (series_sanitized, year))
  
          # attempt clean
          if not show_id:
              logger.debug('Getting show id')
              show_id = show_ids.get(series_sanitized)
  
          # search as last resort
          if not show_id:
              logger.warning('Series not found in show ids')
              show_id = self._search_show_id(series)
  
          return show_id
docs: Get the best matching show id for `series`, `year` and `country_code`.
  
          First search in the result of :meth:`_get_show_ids` and fallback on a search with :meth:`_search_show_id`.
  
          :param str series: series of the episode.
          :param year: year of the series, if any.
          :type year: int
          :param country_code: country code of the series, if any.
          :type country_code: str
          :return: the show id, if found.
          :rtype: int