pip常用命令

pip install [库名]==【版本号】 -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install -r request.txt
pip uninstall -y -r request.txt
pip freeze all >request.txt
pip install upgrade pip

pip show [包名] 查看安装路径

永久生效 在user下新建pip文件夹，新建pip.ini文件，保存以下内容

[global] 
timeout = 6000 
index-url = http://pypi.douban.com/simple 
trusted-host = pypi.douban.com

设置pip源

pip3 config set global.index-url http://mirrors.aliyun.com/pypi/simple/

解决 【otherwise you may silence this warning and allow it anyway with '--trusted-host mirrors.aliyun.com'.】

• 在配置文件中添加以下内容 [root/.config/pip/pip.conf]

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/
[install]
trusted-host=mirrors.aliyun.com