安装pypy

yum install pypy*

安装pip

wget https://raw.github.com/pypa/pip/master/contrib/get-pip.py 
pypy get-pip.py 

添加pypy pip别名

alias pypy_pip='/usr/lib64/pypy-2.2.1/bin/pip'

建立virtualenv

virtualenv ~/pypy -p `which pypy` 
source ~/pypy/bin/activate 
python --version 
deactivate