00x1 安装gevent

pip install gevent

    public static function  uuid_gen()
    {
        $chars = md5(uniqid(mt_rand(), true));
        $uuid = substr($chars, 0, 8) . '-'
            . substr($chars, 8, 4) . '-'
            . substr($chars, 12, 4) . '-'
            . substr($chars, 16, 4) . '-'
            . substr($chars, 20, 12);
        return $uuid;
    }

    /**
     * 生成MAC
     */
    public static function mac_gen()
    {
        $array = array(
            mt_rand(0x00, 0x7f),
            mt_rand(0x00, 0x7f),
            mt_rand(0x00, 0x7f),
            mt_rand(0x00, 0x7f),
            mt_rand(0x00, 0xff),
            mt_rand(0x00, 0xff)
        );
        return join(':', array_map(function ($v) {
            return sprintf("%02X", $v);
        }, $array));
    }

KVM 虚拟机 网卡 Qos设置网卡的Qos可以限制网卡的IO速率

由于在编写Python 测试时会生成 .pyc　文件强迫症的我看起来很难受