temporary use:
-I can be followed by the parameter specifies the source pip pip in the use of
EG: -i pip the install Scrapy https://pypi.tuna.tsinghua.edu.cn/simple
Permanent modification:
Linux:
modified ~ / .pip / pip.conf (is not created and opened with a vim), as follows:
[, Ltd. Free Join]
index-url = HTTP: // //pypi.douban.com/simple/ This is the source address of the
trusted-host = pypi.douban.com // trust this source, otherwise there will be a variety of errors or prompts to install the required trust
Some pip domestic mirror
Ali cloud http://mirrors.aliyun.com/pypi/simple/
China University of Science and Technology https://pypi.mirrors.ustc.edu.cn/simple/
watercress (douban) http://pypi.douban.com/simple /
Tsinghua https://pypi.tuna.tsinghua.edu.cn/simple/
University of Science and technology of China http://pypi.mirrors.ustc.edu.cn/simple/