langchain/docs/modules/indexes/document_loaders/examples/html.ipynb

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  {
   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "# HTML\n",
    "\n",
    "This covers how to load HTML documents into a document format that we can use downstream."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "24b434b5",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.document_loaders import UnstructuredHTMLLoader"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "00f46fda",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader = UnstructuredHTMLLoader(\"example_data/fake-content.html\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "b68a26b3",
   "metadata": {},
   "outputs": [],
   "source": [
    "data = loader.load()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "34de48fa",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": "[Document(page_content='My First Heading\\n\\nMy first paragraph.', lookup_str='', metadata={'source': 'example_data/fake-content.html'}, lookup_index=0)]"
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data"
   ]
  },
  {
   "cell_type": "markdown",
   "source": [
    "## Loading HTML with BeautifulSoup4\n",
    "\n",
    "We can also use BeautifulSoup4 to load HTML documents using the `BSHTMLLoader`.  This will extract the text from the html into `page_content`, and the page title as `title` into `metadata`."
   ],
   "metadata": {
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  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "79b1bce4",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.document_loaders import BSHTMLLoader"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "outputs": [
    {
     "data": {
      "text/plain": "[Document(page_content='\\n\\nTest Title\\n\\n\\nMy First Heading\\nMy first paragraph.\\n\\n\\n', lookup_str='', metadata={'source': 'example_data/fake-content.html', 'title': 'Test Title'}, lookup_index=0)]"
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "loader = BSHTMLLoader(\"example_data/fake-content.html\")\n",
    "data = loader.load()\n",
    "data"
   ],
   "metadata": {
    "collapsed": false
   }
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [],
   "metadata": {
    "collapsed": false
   }
  }
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