Python 配置pip、lxml、requests报错总结
1.安装pip
python3 get-pip.py
python setup.py install
也可以下载离线包:https://pypi.org/project/pip/
然后执行
python setup.py install
1.2解决pycharm问题:module 'pip' has no attribute 'main'
原贴:https://www.cnblogs.com/Fordestiny/p/8901100.html
找到安装目录下 helpers/packaging_tool.py文件,找到如下代码:
修改为:
注意,最后return 后的pip.也要删除(不止我一个人犯这个错误)
2.Requests报错
报错Python: ImportRequestsError: No module named 'request
python安装目录下的Scripts文件中,
然后输入
pip install requests
一定要切到Python的主目录下安装requests
3.安装bs4
安装命令:
pip3 install Beautifulsoup4
3.1Python中安装bs4后,pycharm报错ModuleNotFoundError: No module named 'bs4'
在pycharm 的 setting里再次安装到当前工程中
原贴地址 https://blog.csdn.net/sinat_34937826/article/details/79992728
4.lxml报错
安装lxml
pip3 install lxml
4.1python bs4解析网页时 bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to inst...
再 安装一遍,检查安装位置对不对