converters.py 文件源码

def convert(self, ctx, arg):
        try:
            days = int(arg)
            if days < 0 or days > 7:
                raise commands.BadArgument('Invalid `delete_days`: cannot be lower than 0, or higher than 7.')
        except ValueError:
            raise commands.BadArgument('Invalid `delete_days`: not a valid number.')
        return days