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    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "http://r435.modal.host:34797\n"
     ]
    }
   ],
   "source": [
    "import modal\n",
    "import os\n",
    "import time\n",
    "local_port = 7860\n",
    "with modal.forward(local_port, unencrypted=True) as tunnel:\n",
    "    hostname, remote_port = tunnel.tcp_socket\n",
    "    url = f\"http://{hostname}:{remote_port}\"\n",
    "    print(url)\n",
    "    \n",
    "    # 保持连接\n",
    "    try:\n",
    "        while True:\n",
    "            time.sleep(1)\n",
    "    except KeyboardInterrupt:\n",
    "        pass"
   ]
  }
 ],
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