bs4报错 html5lib. Do you need to install a parser library?

Question

 获取html内容字符串，进行分析 with open('bs1.html',encoding='utf8') as f:     html_doc = f.read() # 导入 BeautifulSoup from bs4 import BeautifulSoup # 指定用html5lib来解析html文档 soup = BeautifulSoup(html_doc, "html5lib") # 获取html内容字符串，进行分析 with open('bs1.html',encoding='utf8') as f:     html_doc = f.read() # 导入 BeautifulSoup from bs4 import BeautifulSoup # 指定用html5lib来解析html文档 soup = BeautifulSoup(html_doc, "html5lib")报错：bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library?

Answer 1

#可以用这个库进行解析
#当然如果你安装了 lxml也可以用lxml，解析节点比较快
soup = BeautifulSoup(html_cont, 'html.parser', from_encoding='utf-8')