pip install, python setup.py, egg-info的说明--以Nvidia Apex安装为例
InstallNvidiaApex若第一次安装需要把项目从github克隆到本地Cleantheoldinstallbeforerebuilding:pipuninstallapexcdapex_repo_dirrm-rfbuild(ifpresent)rm-rfapex.egg-info(ifpresent)Installpackage:注:–no-cache-dir功能:不使用缓存在pip目录