code: def search_show_id(self, series, year=None):
          
          # make the search
          logger.info('Searching show id for %r', series)
          r = self.session.post(self.server_url + 'search.php', data={'q': series}, timeout=10)
          r.raise_for_status()
  
          # get the series out of the suggestions
          soup = ParserBeautifulSoup(r.content, ['lxml', 'html.parser'])
          show_id = None
          for suggestion in soup.select('div.left li div a[href^="/tvshow-"]'):
              match = link_re.match(suggestion.text)
              if not match:
                  logger.error('Failed to match %s', suggestion.text)
                  continue
  
              if match.group('series').lower() == series.lower():
                  if year is not None and int(match.group('first_year')) != year:
                      logger.debug('Year does not match')
                      continue
                  show_id = int(suggestion['href'][8:-5])
                  logger.debug('Found show id %d', show_id)
                  break
  
          return show_id
docs: Search the show id from the `series` and `year`.
  
          :param str series: series of the episode.
          :param year: year of the series, if any.
          :type year: int
          :return: the show id, if any.
          :rtype: int