chapter3/customer_service_use_case.ipynb

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    "# setting the environment variables\n",
    "import sys\n",
    "import os\n",
    "\n",
    "sys.path.insert(0, os.path.abspath('..'))\n",
    "\n",
    "from config import set_environment\n",
    "set_environment()"
   ]
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   "id": "53981a36-8deb-46b3-864e-3328712dfb58",
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    "customer_email = \"\"\"\n",
    "I am writing to pour my heart out about the recent unfortunate experience I had with one of your coffee machines that arrived broken. I anxiously unwrapped the box containing my highly anticipated coffee machine. However, what I discovered within broke not only my spirit but also any semblance of confidence I had placed in your brand.\n",
    "\n",
    "Its once elegant exterior was marred by the scars of travel, resembling a war-torn soldier who had fought valiantly on the fields of some espresso battlefield. This heartbreaking display of negligence shattered my dreams of indulging in daily coffee perfection, leaving me emotionally distraught and inconsolable\n",
    "\"\"\""
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   "id": "7cd67682-f122-45a5-9f40-d6fc43bee03b",
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   "source": [
    "from transformers import pipeline\n",
    "\n",
    "sentiment_model = pipeline(\n",
    "    task=\"sentiment-analysis\",\n",
    "    model=\"finiteautomata/bertweet-base-sentiment-analysis\"\n",
    ")\n",
    "print(sentiment_model(customer_email))"
   ]
  },
  {
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   "execution_count": 6,
   "id": "ff2431c3-9a75-42a0-8c53-687f30a29ea4",
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       "'Coffee machine that arrived broken. \"This heartbreaking display of negligence shattered my dreams of indulging in daily coffee perfection, leaving me emotionally distraught and inconsolable,\" writes customer. \"Its once elegant exterior was marred by the scars of travel, resembling a war-torn soldier who had fought valiantly on the fields of some espresso battlefield\"'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from langchain_community.llms.huggingface_endpoint import HuggingFaceEndpoint\n",
    "\n",
    "summarizer = HuggingFaceEndpoint(\n",
    "    repo_id=\"facebook/bart-large-cnn\",\n",
    "    model_kwargs={\"temperature\": 0, \"max_length\": 180}\n",
    ")\n",
    "def summarize(llm, text) -> str:\n",
    "    return llm(f\"Summarize this: {text}!\")\n",
    "\n",
    "summarize(summarizer, customer_email)\n"
   ]
  },
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     "text": [
      "/Users/ben/anaconda3/envs/newgen/lib/python3.11/site-packages/langchain_core/_api/deprecation.py:117: LangChainDeprecationWarning: The function `__call__` was deprecated in LangChain 0.1.7 and will be removed in 0.2.0. Use invoke instead.\n",
      "  warn_deprecated(\n"
     ]
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    {
     "data": {
      "text/plain": [
       "'Coffee machine that arrived broken. \"This heartbreaking display of negligence shattered my dreams of indulging in daily coffee perfection, leaving me emotionally distraught and inconsolable,\" writes customer. \"Its once elegant exterior was marred by the scars of travel, resembling a war-torn soldier who had fought valiantly on the fields of some espresso battlefield\"'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "summarizer = HuggingFaceEndpoint(\n",
    "    repo_id=\"facebook/bart-large-cnn\",\n",
    "    model_kwargs={\"temperature\":0, \"max_length\":180}\n",
    ")\n",
    "def summarize(llm, text) -> str:\n",
    "    return llm(f\"Summarize this: {text}!\")\n",
    "\n",
    "summarize(summarizer, customer_email)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6680ca0b-7502-4646-a434-9937b9a0af1f",
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