python安装库文件

 

离线库下载地址：

https://www.lfd.uci.edu/~gohlke/pythonlibs/

requests库：

https://pypi.org/project/requests/#files

urllib3

https://github.com/urllib3/urllib3

chardet 3.0.4

https://pypi.org/project/chardet/#files

国内源：

https://www.jianshu.com/p/db9c552f9d2a

安装方法：

https://blog.csdn.net/mcj_2017/article/details/80111855

https://blog.csdn.net/aojiancc2/article/details/81012850

离线安装requests：

https://blog.csdn.net/lawliet1217/article/details/82492728