python tab补全_Python Tab Autocomplete自动补全

Linux Python Tab 自动补全方法

1. 新建Python环境变量配置文件

vim ~/.pystartup

# Add auto-completion and a stored history file of commands to your Python

# interactive interpreter. Requires Python 2.0+, readline. Autocomplete is

# bound to the Esc key by default (you can change it - see readline docs).

#

# Store the file in ~/.pystartup, and set an environment variable to point

# to it: "export PYTHONSTARTUP=~/.pystartup" in bash.

import atexit

import os

import readline

import rlcompleter

readline.parse_and_bind('tab: complete')

historyPath = os.path.expanduser("~/.pyhistory")

def save_history(historyPath=historyPath):

import readline

readline.write_history_file(historyPath)

if os.path.exists(historyPath):

readline.read_history_file(historyPath)

atexit.register(save_history)

del os, atexit, readline, rlcompleter, save_history, historyPath

2. 设置Python环境变量

即时生效，重启失效：export PYTHONSTARTUP=~/.pystartup

永久生效：echo "export PYTHONSTARTUP=~/.pystartup" >> /etc/profile

Windows Python Tab 自动补全方法

a. 安装python

b. pip install pyreadline

c. 在Python安装路径的Lib文件夹下新建一个tab.py

例如：C:\Program Files (x86)\Python2\Lib

用编辑器编辑：

# Add auto-completion and a stored history file of commands to your Python

# interactive interpreter.

import atexit

import os

import readline

import rlcompleter

import sys

# Tab completion

readline.parse_and_bind('tab: complete')

# history file

histfile = os.path.join("D:\\Tmp\\history\\", ".pythonhistory")

try:

readline.read_history_file(histfile)

except IOError:

pass

atexit.register(readline.write_history_file, histfile)

del os, histfile, readline, rlcompleter

注：

histfile = os.path.join("D:\\Tmp\\history\\", ".pythonhistory") 这个路径可以自定义设置

和linux类似，如果想输入python就自动加载tab补全，在系统属性中的环境变量里增加PYTHONSTARTUP变量，值为绝对路径的 tab.py，

例如：变量名：PYTHONSTARTUP      变量值：C:\Program Files (x86)\Python2\Lib\tab.py

注：不做这步的话，每次输入python进入交互界面后，需要手动import tab