[py]安装ipython
系统：crunch bang11+python2.7.3
准备工具：
sudo apt-get install python-pip python-dev build-essential
安装setuptools（easy_install）
sudo pip install setuptools --no-use-wheel --upgrade
安装ipython
sudo easy_install ipython
后续配置
sudo apt-get install gcc python-dev libxml2 libxml2-dev libxslt1.1 libxslt1-dev
sudo apt-get install libncurses5-dev
$ sudo apt-get install -y build-essential openssl curl libcurl4-openssl-dev libreadline6 libreadline6-dev git zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf automake libtool imagemagick libmagickwand-dev libpcre3-dev libsqlite3-dev libmysqlclient-dev
sudo apt-get install sqlite3 libgdbm-dev libncurses5-dev bison libffi-dev gawk
安装readline
sudo pip install readline