python交互模式下的tab自动补全

import sys
sys.path

​# python startup file
import sys
import readline
import rlcompleter
import os
readline.parse_and_bind('tab: complete')
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')

import tab

brew install readline python

try:
    import readline
except ImportError:
    print("Module readline not available.")
else:
    import rlcompleter
    readline.parse_and_bind("tab: complete")