ipython的安装

ipython是一个 python 的交互式 shell，比默认的python shell 好用得多，支持变量自动补全，自动缩进，支持
bash shell 命令，内置了许多很有用的功能和函数。
参考网站：http://ipython.org/
OS：
[python@shadow ~]$ cat /etc/issue

Red Hat Enterprise Linux Server release 5.4 (Tikanga)

python version：
[python@shadow~]$ python

Python 2.7.3 (default, Mar 10 2013, 15:01:28)

[GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>>

1.下载
http://archive.ipython.org/release/
2.解压：
[root@shadowpython]# tar -xvf ipython-0.13.1.tar.gz
3.进入目录安装
[root@shadowpython]# cd ipython-0.13.1
[root@shadowipython-0.13.1]# python setup.py install
4.给ipython做个链接
[root@shadowipython-0.13.1]# ln -s /usr/local/python-2.7.3/bin/ipython /usr/bin/ipython
5.测试
[python@shadow ~]$ ipython

WARNING: IPython History requires SQLite, your history will not be saved

Python 2.7.3 (default, Mar 10 2013, 15:01:28)

Type "copyright", "credits" or "license" for more information.

IPython 0.13.1 -- An enhanced Interactive Python.

?         -> Introduction and overview of IPython's features.

%quickref -> Quick reference.

help      -> Python's own help system.

object?   -> Details about 'object', use 'object??' for extra details.

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