ubuntu 14.04 安裝python包psycopg2

http://stackoverflow.com/questions/28253681/you-need-to-install-postgresql-server-dev-x-y-for-building-a-server-side-extensi

sudo apt-get install postgresql
sudo apt-get install python-psycopg2
sudo apt-get install libpq-dev
pip install psycopg2==2.6.2