bot.py 文件源码

def cmd_cls(self, message, author, server, channel):
        """
        Usage: {command_prefix}eval "evaluation string"
        runs a command thru the eval param for testing
        """
        if author.id == self.config.master_id:
            await self.safe_delete_message(message)

            def delete_this_msg(m):
                return m.author == self.user

            try:
                await self.purge_from(channel, limit=5000, check=delete_this_msg, before=message)
            except discord.Forbidden:
                raise CommandError('I cannot delete messages, please give me permissions to do so and'
                                   'try again!')