转：配置python命令tab键自动补全

1.edit and configure pythonstartup file

# python startup 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 

2. add the enviroment varable to system with administrator role
For windowns
pythonstartupf=path/pythonstartup.py
For Linux
add the following to you ~/.bash_profile或bashrc
export PYTHONSTARTUP=~/.pythonstartup