pip 指定源安装

阿里源

pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/

腾讯源

pip install -i https://mirrors.tencent.com/pypi/simple/ --upgrade tencentcloud-sdk-python

豆瓣

pip install -r requirements.txt -i https://pypi.douban.com/simple/

清华大学

pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple/