overwatch.py 文件源码

def fix_arg_order(*args):
    tag, mode, region, platform = '', None, None, None
    extras = []
    for arg in args:
        if arg is None or isinstance(arg, Mode):
            continue
        lower = arg.lower()
        if '#' in arg or '@' in arg:
            tag = arg
        elif lower in REGIONS:
            region = lower
        elif lower in PLATFORMS:
            platform = lower
        else:
            try:
                Mode[lower]
            except KeyError:
                extras.append(arg)
            else:
                mode = lower
    if extras:
        raise commands.BadArgument('Invalid arguments: ' + ', '.join(extras))
    return tag, mode, region, platform