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   "source": [
    "# Huggingface TextGen Inference\n",
    "\n",
    "[Text Generation Inference](https://github.com/huggingface/text-generation-inference) is a Rust, Python and gRPC server for text generation inference. Used in production at [HuggingFace](https://huggingface.co/) to power LLMs api-inference widgets.\n",
    "\n",
    "This notebooks goes over how to use a self hosted LLM using `Text Generation Inference`."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "To use, you should have the `text_generation` python package installed."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "# !pip3 install text_generation"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.llms import HuggingFaceTextGenInference\n",
    "\n",
    "llm = HuggingFaceTextGenInference(\n",
    "    inference_server_url=\"http://localhost:8010/\",\n",
    "    max_new_tokens=512,\n",
    "    top_k=10,\n",
    "    top_p=0.95,\n",
    "    typical_p=0.95,\n",
    "    temperature=0.01,\n",
    "    repetition_penalty=1.03,\n",
    ")\n",
    "llm(\"What did foo say about bar?\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Streaming"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.llms import HuggingFaceTextGenInference\n",
    "from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler\n",
    "\n",
    "\n",
    "llm = HuggingFaceTextGenInference(\n",
    "    inference_server_url=\"http://localhost:8010/\",\n",
    "    max_new_tokens=512,\n",
    "    top_k=10,\n",
    "    top_p=0.95,\n",
    "    typical_p=0.95,\n",
    "    temperature=0.01,\n",
    "    repetition_penalty=1.03,\n",
    "    stream=True\n",
    ")\n",
    "llm(\"What did foo say about bar?\", callbacks=[StreamingStdOutCallbackHandler()])"
   ]
  }
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