If you install Python libraries in the country, it is strongly recommended to use watercress source
http://pypi.douban.com/simple/
It can be used as such
pip install -i http://pypi.douban.com/simple/ --trusted-host=pypi.douban.com/simple ipython
Such as installing django
pip install -i https://pypi.doubanio.com/simple/ --trusted-host pypi.doubanio.com django
Every time this will be very troublesome, configure it under Windows can be configured
1, in C: \ Users \ Administrator \ AppData \ Roaming directory under the new folder pip,
2, the new pip.ini file in the folder pip, then enter in pip.ini
[global]
timeout = 6000
index-url =http://pypi.douban.com/simple
trusted-host = pypi.douban.com