# pip

# 安装

如果 Python2Python3 同时有 pip

python2 -m pip install some-package

# 升级

$ pip install pip -U

# 迁移

$ pip freeze > requirements.txt
$ pip download -d deps -r requirements.txt
$ pip install -f deps
$ pip install -r requirements.txt -t target

# 镜像

临时使用

$ pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package

设为默认

$ pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

修改 ~/.pip/pip.conf%HomePath%\pip\pip.ini

https://mirrors.aliyun.com/pypi/simple

https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple

https://pypi.tuna.tsinghua.edu.cn/simple

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