completer.py 文件源码

def __enter__(self):
        self._original_completer = readline.get_completer()
        self._original_delims = readline.get_completer_delims()

        readline.set_completer(self.complete)
        readline.set_completer_delims(' \t\n;')

        # readline can be implemented using GNU readline or libedit
        # which have different configuration syntax
        if 'libedit' in readline.__doc__:
            readline.parse_and_bind('bind ^I rl_complete')
        else:
            readline.parse_and_bind('tab: complete')