python tab补全

Posted 2020-08-09

让python的交互解释器支持tab补全、提示功能

方法1：

一、执行python脚本 

1.创建一个python脚本，以.py结尾：

脚本如下：

import sys

import readline

import rlcompleter

import atexit

import os

 

readline.parse_and_bind(‘tab:complete‘)

 

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

 

 

2.查看python的运行环境

[[email protected] ~]# whereis python

python: /usr/bin/python /usr/bin/python2.6/usr/lib/python2.6 /usr/lib64/python2.6 /usr/include/python2.6/usr/share/man/man1/python.1.gz

3.给tab.py设置权限，并把tab.py复制到相应的目录

chmod 755  tab.py

 cp  tab.py   /usr/lib64/python2.6/site-packages/

至此，python的补全功能已经完成。

例子：

# python

>>>  import tab

>>>  pri<tab>

>>>  import sys

>>>  sys.<tab><tab>

方法2：

安装ipython：提供补全功能

[[email protected] ~]#tar xf ipython-1.2.0.tar.gz

cd ipython-1.2.0

[[email protected]]# /usr/local/python27/bin/python2.7 setup.py build

[[email protected]]# /usr/local/python27/bin/python2.7 setup.py install

[[email protected]]# ln -sv /usr/local/python27/bin/python2.7 /usr/bin/python2.7

[[email protected]]# ln -sv /usr/local/python27/bin/ipython /usr/bin/

[[email protected]]# ipython

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