spinel-cli.py 文件源码

def do_help(self, line):
        if line:
            cmd, _arg, _unused = self.parseline(line)
            try:
                doc = getattr(self, 'do_' + cmd).__doc__
            except AttributeError:
                doc = None
            if doc:
                self.log("%s\n" % textwrap.dedent(doc))
            else:
                self.log("No help on %s\n" % (line))
        else:
            self.print_topics(
                "\nAvailable commands (type help <name> for more information):",
                SpinelCliCmd.command_names, 15, 80)