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RSS Feed / OPML loader (#8694)

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- Description: added a document loader for a list of RSS feeds or OPML.
It iterates through the list and uses NewsURLLoader to load each
article.
  - Issue: N/A
  - Dependencies: feedparser, listparser
  - Tag maintainer: @rlancemartin, @eyurtsev
  - Twitter handle: @ruze

---------

Co-authored-by: Bagatur <baskaryan@gmail.com>
This commit is contained in:
ruze
2023-08-03 17:58:06 -04:00
committed by GitHub
parent 53e4148a1b
commit 8ef7e14a85
10 changed files with 699 additions and 20 deletions
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13
docs/extras/integrations/document_loaders/example_data/sample_rss_feeds.opml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<opml version="1.0">
<head>
<title>Sample RSS feed subscriptions</title>
</head>
<body>
<outline text="Tech" title="Tech">
<outline type="rss" text="Engadget" title="Engadget" xmlUrl="http://www.engadget.com/rss-full.xml" htmlUrl="http://www.engadget.com"/>
<outline type="rss" text="Ars Technica - All content" title="Ars Technica - All content" xmlUrl="http://feeds.arstechnica.com/arstechnica/index/" htmlUrl="https://arstechnica.com"/>
</outline>
</body>
</opml>

170
docs/extras/integrations/document_loaders/rss.ipynb Normal file
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{
"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"
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.10.6"
}
},
"nbformat": 4,
"nbformat_minor": 5
}