langchain/docs/versioned_docs/version-0.2.x/integrations/chat/tongyi.ipynb

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    "---\n",
    "sidebar_label: Tongyi Qwen\n",
    "---"
   ]
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    "# ChatTongyi\n",
    "Tongyi Qwen is a large language model developed by Alibaba's Damo Academy. It is capable of understanding user intent through natural language understanding and semantic analysis, based on user input in natural language. It provides services and assistance to users in different domains and tasks. By providing clear and detailed instructions, you can obtain results that better align with your expectations.\n",
    "In this notebook, we will introduce how to use langchain with [Tongyi](https://www.aliyun.com/product/dashscope) mainly in `Chat` corresponding\n",
    " to the package `langchain/chat_models` in langchain"
   ]
  },
  {
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   "execution_count": null,
   "metadata": {
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   "source": [
    "# Install the package\n",
    "%pip install --upgrade --quiet  dashscope"
   ]
  },
  {
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   "execution_count": 2,
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    "collapsed": false,
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     "text": [
      " ········\n"
     ]
    }
   ],
   "source": [
    "# Get a new token: https://help.aliyun.com/document_detail/611472.html?spm=a2c4g.2399481.0.0\n",
    "from getpass import getpass\n",
    "\n",
    "DASHSCOPE_API_KEY = getpass()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false,
    "jupyter": {
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   },
   "outputs": [],
   "source": [
    "import os\n",
    "\n",
    "os.environ[\"DASHSCOPE_API_KEY\"] = DASHSCOPE_API_KEY"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
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     "text": [
      "chat resp: content='Hello! How' additional_kwargs={} example=False\n",
      "chat resp: content=' can I assist you today?' additional_kwargs={} example=False\n"
     ]
    }
   ],
   "source": [
    "from langchain_community.chat_models.tongyi import ChatTongyi\n",
    "from langchain_core.messages import HumanMessage\n",
    "\n",
    "chatLLM = ChatTongyi(\n",
    "    streaming=True,\n",
    ")\n",
    "res = chatLLM.stream([HumanMessage(content=\"hi\")], streaming=True)\n",
    "for r in res:\n",
    "    print(\"chat resp:\", r)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "AIMessageChunk(content=\"J'aime programmer.\", additional_kwargs={}, example=False)"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from langchain_core.messages import HumanMessage, SystemMessage\n",
    "\n",
    "messages = [\n",
    "    SystemMessage(\n",
    "        content=\"You are a helpful assistant that translates English to French.\"\n",
    "    ),\n",
    "    HumanMessage(\n",
    "        content=\"Translate this sentence from English to French. I love programming.\"\n",
    "    ),\n",
    "]\n",
    "chatLLM(messages)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
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  }
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