BeautifulSoup库的安装

BeautifulSoup3已经停止开发，已经迁移至BeautifulSoup 4。BeautifulSoup 4 同时兼容Python2和Python3。

安装BeautifulSoup

• Debain/Ubuntu

apt-get install Python-bs4

• PyPi

easy_install beautifulsoup4pip install beautifulsoup4

• 源码安装
  下载bs4源码

python setup.py install

解析器的安装

apt-get install Python-lxmleasy_install lxmlpip install lxml

解析器 使用方法 Python标准库 BeautifulSoup(markup, ‘html.parser’) lxml HTML解析器 BeautifulSoup(markup, ‘lxml’) lxml XML解析器 BeautifulSoup(markup, [‘lxml’, ‘xml’])
BeautifulSoup(markup, ‘xml’) html5lib BeautifulSoup(markup, ‘html5lib’)