pip install -i http://mirrors.aliyuncs.com/pypi/simple flask flask-login flask-openid flask-mail sqlalchemy flask-sqlalchemy sqlalchemy-migrate flask-whooshalchemy flask-wtf pytz flask-babel flup
Collecting flask
Could not find a version that satisfies the requirement flask (from versions: )
No matching distribution found for flask
已完美解决，豆瓣的flask-sqlalchemy报错，
用的清华的镜像
使用豆瓣的源就好了
http://pypi.douban.com/simple #豆瓣
http://pypi.hustunique.com/simple #华中理工大学
http://pypi.sdutlinux.org/simple #山东理工大学
http://pypi.mirrors.ustc.edu.cn/simple #中国科学技术大学