rlcompleter2.py 文件源码

def setup_readline_history(histfn):
    import readline 
    try:
        readline.read_history_file(histfn)
    except IOError:
        # guess it doesn't exist 
        pass

    def save():
        try:
            readline.write_history_file(histfn)
        except IOError:
            print ("bad luck, couldn't save readline history to %s" % histfn)

    import atexit
    atexit.register(save)