langchain/docs/versioned_docs/version-0.2.x/integrations/text_embedding/xinference.ipynb

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  {
   "cell_type": "markdown",
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   "source": [
    "# Xorbits inference (Xinference)\n",
    "\n",
    "This notebook goes over how to use Xinference embeddings within LangChain"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Installation\n",
    "\n",
    "Install `Xinference` through PyPI:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%pip install --upgrade --quiet  \"xinference[all]\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Deploy Xinference Locally or in a Distributed Cluster.\n",
    "\n",
    "For local deployment, run `xinference`. \n",
    "\n",
    "To deploy Xinference in a cluster, first start an Xinference supervisor using the `xinference-supervisor`. You can also use the option -p to specify the port and -H to specify the host. The default port is 9997.\n",
    "\n",
    "Then, start the Xinference workers using `xinference-worker` on each server you want to run them on. \n",
    "\n",
    "You can consult the README file from [Xinference](https://github.com/xorbitsai/inference) for more information.\n",
    "\n",
    "## Wrapper\n",
    "\n",
    "To use Xinference with LangChain, you need to first launch a model. You can use command line interface (CLI) to do so:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Model uid: 915845ee-2a04-11ee-8ed4-d29396a3f064\n"
     ]
    }
   ],
   "source": [
    "!xinference launch -n vicuna-v1.3 -f ggmlv3 -q q4_0"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A model UID is returned for you to use. Now you can use Xinference embeddings with LangChain:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain_community.embeddings import XinferenceEmbeddings\n",
    "\n",
    "xinference = XinferenceEmbeddings(\n",
    "    server_url=\"http://0.0.0.0:9997\", model_uid=\"915845ee-2a04-11ee-8ed4-d29396a3f064\"\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "query_result = xinference.embed_query(\"This is a test query\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "doc_result = xinference.embed_documents([\"text A\", \"text B\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Lastly, terminate the model when you do not need to use it:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [],
   "source": [
    "!xinference terminate --model-uid \"915845ee-2a04-11ee-8ed4-d29396a3f064\""
   ]
  }
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