{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "2dfc4698",
   "metadata": {},
   "source": [
    "# RSS Feeds\n",
    "\n",
    "This covers how to load HTML news articles from a list of RSS feed URLs into a document format that we can use downstream."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "16c3699e",
   "metadata": {},
   "outputs": [],
   "source": [
    "from langchain.document_loaders import RSSFeedLoader"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "836fbac1",
   "metadata": {},
   "outputs": [],
   "source": [
    "urls = [\"https://www.engadget.com/rss.xml\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "33089aba-ff74-4d00-8f40-9449c29587cc",
   "metadata": {},
   "source": [
    "Pass in urls to load them into Documents"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "00f46fda",
   "metadata": {},
   "outputs": [],
   "source": [
    "loader = RSSFeedLoader(urls=urls)\n",
    "data = loader.load()\n",
    "print(len(data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "data[0]"
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "b447468cc42266d0"
  },
  {
   "cell_type": "markdown",
   "source": [
    "You can pass arguments to the NewsURLLoader which it uses to load articles."
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "c36d3b0d329faf2a"
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "loader = RSSFeedLoader(urls=urls, nlp=True)\n",
    "data = loader.load()\n",
    "print(len(data))"
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "5fdada62470d3019"
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "data[0].metadata['keywords']"
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "11d71963f7735c1d"
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "data[0].metadata['summary']"
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "9fb64ba0e8780966"
  },
  {
   "cell_type": "markdown",
   "source": [
    "You can also use an OPML file such as a Feedly export.  Pass in either a URL or the OPML contents."
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "98ac26c488315bff"
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8b6f07ae526a897c",
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"example_data/sample_rss_feeds.opml\", \"r\") as f:\n",
    "    loader = RSSFeedLoader(opml=f.read())\n",
    "data = loader.load()\n",
    "print(len(data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "data[0]"
   ],
   "metadata": {
    "collapsed": false
   },
   "id": "b68a26b3"
  }
 ],
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