text: 
  from feed.spiders.spider import Spider
  
  
  class GuoybSpider(Spider):
      name = 'guoyb'
  
      def __init__(self):
          Spider.__init__(self,
                          start_urls=[
                              'http://blog.guoyb.com',
                          ],
                          index_xpath='//h1[@class="title"]/a/@href',
                          article_title_xpath='//h1[@class="title"]/text()',
                          article_content_xpath='//div[@class="entry"]',
                          index_limit_count=3,
                          )
  