from urllib import request      

import re

class Spider():

    url = 'https://www.panda.tv/'

    # 使用组取两个定位标签中间的内容

    root_pattern = '<div class="video-info">([\s\S]*?)</div>'    

    def __fetch_content(self):          

        r = request.urlopen(Spider.url)     

        htmls = r.read()                    

        htmls = str(htmls, encording='utf-8')     # 这句报错了 我的python版本是3.6

        return htmls

    def __analysis(self, htmls):

        root_html = re.findall(Spider.root_pattern, htmls)

    def go(self):           

        htmls = self.__fetch_content()

        self.__analysis(htmls)

spider = Spider()

spider.go()