Python错误:bs4.FeatureNotFound: Couldn't find a tree builder with the features you
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报错:
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library
原因:没有 lxml包
下载及安装:windows系统下安装lxml的方法:
(一) 首先安装wheel
命令行执行
(二)下载相应版本的lxml后缀为.whl的文件
www.lfd.uci.edu/~gohlke/pythonlibs/
(三)安装lxml
进入lxml下载的根目录, 按住shift 然后 鼠标右键 选择在此处打开命令行窗口
(四)检验安装成功与否
任意处打开命令行窗口
如果没有报错就安装成功了!
命令行执行
pip install wheel
www.lfd.uci.edu/~gohlke/pythonlibs/
(三)安装lxml
进入lxml下载的根目录, 按住shift 然后 鼠标右键 选择在此处打开命令行窗口
pip install lxml_文件名.whl
任意处打开命令行窗口
python 回车
import lxml
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