centos7重新安装pip

卸载pip

#python2
[root@centos ~]# python -m pip uninstall pip
#python3
[root@centos ~]# python3 -m pip uninstall pip

安装pip < 3.6

#下载脚本pip
[root@centos ~]# wget https://bootstrap.pypa.io/pip/2.7/get-pip.py
#安装
[root@centos ~]# python get-pip.py
#升级pip
[root@centos ~]# pip install --upgrade pip
#查看pip版本
[root@centos ~]# pip -V
pip 20.3.4 from /usr/lib/python2.7/site-packages/pip (python 2.7)
[root@centos ~]#

安装pip3 >= 3.6

#下载脚本pip3
[root@centos ~]# wget https://bootstrap.pypa.io/get-pip.py
#安装
[root@centos ~]# python3 get-pip.py
#升级pip
[root@centos ~]# pip3 install --upgrade pip
#查看pip版本
[root@centos ~]# pip3 -V
pip 23.2.1 from /usr/local/lib/python3.8/site-packages/pip (python 3.8
[root@centos ~]#

pip常用命令

#安装包
[root@centos ~]# pip3 install oss2            #安装最新oss2包
[root@centos ~]# pip3 install oss2==2.18      #安装指定版本包
[root@centos ~]# pip3 'install oss2>=2.11'    #安装最小版本
#卸载包
[root@centos ~]# pip3 uninstall oss2
#搜索包
[root@centos ~]# pip3 search oss2
#显示指定包详细信息
[root@centos ~]# pip3 show -f oss2
#列出已安装的包
[root@centos ~]# pip3 list
#查看可升级的包
[root@centos ~]# pip3 list -o