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      "Running on local URL:  http://127.0.0.1:7863\n",
      "Running on public URL: https://e43e3020a427152c81.gradio.live\n",
      "\n",
      "This share link expires in 72 hours. For free permanent hosting and GPU upgrades, run `gradio deploy` from Terminal to deploy to Spaces (https://huggingface.co/spaces)\n"
     ]
    },
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   "source": [
    "import gradio as gr\n",
    "\n",
    "from openai import OpenAI\n",
    "import gradio as gr\n",
    "import os\n",
    "\n",
    "#API_KEY = os.getenv(\"PPLX_API_KEY\")\n",
    "API_KEY = \"os123\"\n",
    "client = OpenAI(api_key=API_KEY, base_url=\"https://api.perplexity.ai\")\n",
    "\n",
    "def predict(message, history):\n",
    "    history_openai_format = []\n",
    "    for human, assistant in history:\n",
    "        history_openai_format.append({\"role\": \"user\", \"content\": human})\n",
    "        history_openai_format.append({\"role\": \"assistant\", \"content\": assistant})\n",
    "    history_openai_format.append({\"role\": \"user\", \"content\": message})\n",
    "  \n",
    "    # 使用 Perplexity AI 的 70B 模型进行响应\n",
    "    response = client.chat.completions.create(\n",
    "        model='pplx-70b-online',\n",
    "        messages=history_openai_format,\n",
    "        temperature=1.0,\n",
    "        stream=True\n",
    "    )\n",
    "\n",
    "    partial_message = \"\"\n",
    "    for chunk in response:\n",
    "        if chunk.choices[0].delta.content is not None:\n",
    "            partial_message += chunk.choices[0].delta.content\n",
    "            yield partial_message\n",
    "\n",
    "def change_textbox(choice):\n",
    "    #根据不同输入对输出控件进行更新\n",
    "    if choice == \"short\":\n",
    "        return gr.update(lines=2, visible=True, value=\"Short story: \")\n",
    "    elif choice == \"long\":\n",
    "        return gr.update(lines=8, visible=True, value=\"Long story...\")\n",
    "    else:\n",
    "        return gr.update(visible=False)\n",
    "\n",
    "with gr.Blocks(fill_height=True) as demo:\n",
    "        radio = gr.Radio(\n",
    "            [\"short\", \"long\", \"none\"], label=\"Essay Length to Write?\"\n",
    "        )\n",
    "        text = gr.Textbox(lines=2, interactive=True)\n",
    "        radio.change(fn=change_textbox, inputs=radio, outputs=text)\n",
    "        chat_interface = gr.ChatInterface(predict)\n",
    "\n",
    "demo.launch(share=True)\n"
   ]
  }
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