python linux 自动补全 tab.py

#!/usr/bin/env python
# python startup file
import sys
import readline
import rlcompleter
import atexit
import os
import tensorflow as tf
# 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:
passatexit.register(readline.write_history_file, histfile)
del os, histfile, readline, rlcompleter