new_contents: from comics.aggregator.crawler import CrawlerBase, CrawlerResult
  from comics.meta.base import MetaBase
  
  class Meta(MetaBase):
      name = 'Bizarro (blog)'
      language = 'en'
      url = 'http://bizarrocomic.blogspot.com/'
      start_date = '1985-01-01'
      rights = 'Dan Piraro'
  
  class Crawler(CrawlerBase):
      history_capable_days = 30
      schedule = 'Mo,Tu,We,Th,Fr,Sa,Su'
      time_zone = -5
  
      def crawl(self, pub_date):
          feed = self.parse_feed(
              'http://feeds.feedburner.com/bizarroblog')
  
          for entry in feed.for_date(pub_date):
              if 'daily Bizarros' not in entry.tags:
                  continue
  
              # We want direct link to image, not an HTML page.
              url = entry.summary.href('a:first-child')
              url = url.replace('s1600-h', 's1600')
  
              title = entry.title
  
              # FIXME Store "Bizarro is brought to you today by ..."
              return CrawlerResult(url, title)
  
subject: Add bizarro blog crawler