默認python是沒有tab鍵補全功能的：

>>> import tab

Traceback (most recent call last):

File "", line 1, in

ImportError: No module named tab

>>>

創建tab.py文件

# vi tab.py

添加以下內容：

#!/usr/bin/python

# python tab file

import sys

import readline

import rlcompleter

import atexit

import os

# tab completion

readline.parse_and_bind('tab: complete')

# history file

histfile = os.path.join(os.environ['HOME'], '.pythonhistory')

try:

readline.read_history_file(histfile)

except IOError:

pass

atexit.register(readline.write_history_file, histfile)

del os, histfile, readline, rlcompleter

查看Python默認的模塊存放地址

# python

Python 2.7.5 (default, Oct 11 2015, 17:47:16)

[GCC 4.8.3 20140911 (Red Hat 4.8.3-9)] on linux2

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

>>> import sys

>>> sys.path

['', '/usr/lib64/python27.zip', '/usr/lib64/python2.7', '/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/lib-tk', '/usr/lib64/python2.7/lib-old', '/usr/lib64/python2.7/lib-dynload', '/usr/lib64/python2.7/site-packages', '/usr/lib64/python2.7/site-packages/gtk-2.0', '/usr/lib/python2.7/site-packages']

>>>

將tab.py文件拷貝到/usr/lib64/python2.7/

# cp tab.py /usr/lib64/python2.7/

這樣就可以使用tab補全了：

>>> import tab

>>> import sys

>>> sys.

sys.__class__( sys.exitfunc(

sys.__delattr__( sys.flags

sys.__dict__ sys.float_info

sys.__displayhook__( sys.float_repr_style

sys.__doc__ sys.getcheckinterval(

sys.__excepthook__( sys.getdefaultencoding(

sys.__format__( sys.getdlopenflags(

sys.__getattribute__( sys.getfilesystemencoding(

......

總結

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