ImportError: No module named readline

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python版本是2.7.5，系统为centos7.x系列
错误代码：

[root@Shell site-packages]# python
Python 2.7.5 (default, Mar 18 2016, 16:51:30) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-11)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import tab
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "tab.py", line 4, in <module>
    import readline
ImportError: No module named readline

[root@Shell site-packages]# python

Python 2.7.5 (default, Mar 18 2016, 16:51:30)

[GCC 4.4.7 20120313 (Red Hat 4.4.7-11)] on linux2

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

>>> import tab

Traceback (most recent call last):

File "<stdin>", line 1, in <module>

File "tab.py", line 4, in <module>

import readline

ImportError: No module named readline

解决方法：

[root@Shell site-packages]# cd /byrd/tools/
[root@Shell tools]# wget http://newcenturycomputers.net/projects/download.cgi/Readline-1.7.zip
[root@Shell tools]# unzip Readline-1.7.zip    
[root@Shell tools]# cd Readline-1.7
[root@Shell Readline-1.7]# python setup.py build
[root@Shell Readline-1.7]# python setup.py install