如何在setuptools安装中使用带有curl命令的sudo

I am trying to install python package, but when I try it tells me I need a new version of setup tools. I try to install setup tools following the python software instructions which say to use the curl command. When I do this it gives the error that I don't have permission to install in the directory. How can I use the curl command as a sudo user? I have tried several different ways. I have tried I am trying to install python package, but when