python的自动补全

# python startup file
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:
    
atexit.register(readline.write_history_file, histfile)
del os, histfile, readline, rlcompleter