text: 
  from feed.spiders.spider import Spider
  
  
  class AliyunfeWeeklySpider(Spider):
      name = 'aliyunfeweekly'
  
      def __init__(self):
          Spider.__init__(self,
                          start_urls=[
                              'https://github.com/aliyunfe/weekly',
                          ],
                          index_xpath="//a[contains(text(),'》第')]/@href",
                          article_title_xpath="//h2//*[@class='final-path']/text()",
                          article_content_xpath="//div[@id='readme']",
                          index_limit_count=3,
                          index_reverse=True
                          )
  