为python添加tab自动补全功能
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fedora ~ $ python
Python 2.7.8 (default, Nov 10 2014, 08:19:18)
on linux2
Type "help", "copyright", "credits" or "license" for more information.
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>>> import sys #导入sys模块
>>> sys.path #查看python环境变量
['', '/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']
环境变量中 搜索顺序 ‘’ 代表当前目录，会按照这个顺序来搜索你要的模块。
我的放在 /usr/lib64/python2.7/site-packages/ 这个目录
在指定的目录下面添加 tab.py (tab.py 是借的别人的)
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/usr/lib64/python2.7/site-packages $sudovim tab.py
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#!/bin/env python
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
导入tab模块
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>>> import tab
>>> import os
>>> os. #已经支持tab功能了
Display all 249 possibilities? (y or n)
os.EX_CANTCREAT os.ST_NOSUID os._spawnvef( os.getlogin( os.seteuid(
os.EX_CONFIG os.ST_RDONLY os.abort( os.getpgid( os.setgid(
os.EX_DATAERR os.ST_RELATIME os.access( os.getpgrp( os.setgroups(
os.EX_IOERR os.ST_SYNCHRONOUS os.altsep os.getpid( os.setpgid(
可以调用shell命令
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>>> os.system('ip r')
default via 192.168.1.1 dev wlp3s0proto staticmetric 1024
192.168.1.0/24 dev wlp3s0proto kernelscope linksrc 192.168.1.120
192.168.122.0/24 dev virbr0proto kernelscope linksrc 192.168.122.1
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