langchain/docs/extras/modules/data_connection/document_loaders/integrations/url.ipynb
Dhruvil Shah 92f05a67a4
Add markdown to specify important arguments (#6246)
To bypass SSL verification errors during web scraping, you can include
the ssl_verify=False parameter along with the headers parameter. This
combination of arguments proves useful, especially for beginners in the
field of web scraping.

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Fixes #1829 

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---------

Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
2023-06-18 17:47:00 -07:00

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{
"cells": [
{
"cell_type": "markdown",
"id": "2dfc4698",
"metadata": {},
"source": [
"# URL\n",
"\n",
"This covers how to load HTML documents from a list of URLs into a document format that we can use downstream."
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "16c3699e",
"metadata": {},
"outputs": [],
"source": [
"from langchain.document_loaders import UnstructuredURLLoader"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "836fbac1",
"metadata": {},
"outputs": [],
"source": [
"urls = [\n",
" \"https://www.understandingwar.org/backgrounder/russian-offensive-campaign-assessment-february-8-2023\",\n",
" \"https://www.understandingwar.org/backgrounder/russian-offensive-campaign-assessment-february-9-2023\",\n",
"]"
]
},
{
"cell_type": "markdown",
"id": "33089aba-ff74-4d00-8f40-9449c29587cc",
"metadata": {},
"source": [
"Pass in ssl_verify=False with headers=headers to get past ssl_verification error."
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "00f46fda",
"metadata": {},
"outputs": [],
"source": [
"loader = UnstructuredURLLoader(urls=urls)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "b68a26b3",
"metadata": {},
"outputs": [],
"source": [
"data = loader.load()"
]
},
{
"attachments": {},
"cell_type": "markdown",
"id": "f3afa135",
"metadata": {},
"source": [
"# Selenium URL Loader\n",
"\n",
"This covers how to load HTML documents from a list of URLs using the `SeleniumURLLoader`.\n",
"\n",
"Using selenium allows us to load pages that require JavaScript to render.\n",
"\n",
"## Setup\n",
"\n",
"To use the `SeleniumURLLoader`, you will need to install `selenium` and `unstructured`.\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "5fc50835",
"metadata": {},
"outputs": [],
"source": [
"from langchain.document_loaders import SeleniumURLLoader"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "24e896ce",
"metadata": {},
"outputs": [],
"source": [
"urls = [\n",
" \"https://www.youtube.com/watch?v=dQw4w9WgXcQ\",\n",
" \"https://goo.gl/maps/NDSHwePEyaHMFGwh8\",\n",
"]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "60a29397",
"metadata": {},
"outputs": [],
"source": [
"loader = SeleniumURLLoader(urls=urls)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "0090cd57",
"metadata": {},
"outputs": [],
"source": [
"data = loader.load()"
]
},
{
"attachments": {},
"cell_type": "markdown",
"id": "a2c1c79f",
"metadata": {},
"source": [
"# Playwright URL Loader\n",
"\n",
"This covers how to load HTML documents from a list of URLs using the `PlaywrightURLLoader`.\n",
"\n",
"As in the Selenium case, Playwright allows us to load pages that need JavaScript to render.\n",
"\n",
"## Setup\n",
"\n",
"To use the `PlaywrightURLLoader`, you will need to install `playwright` and `unstructured`. Additionally, you will need to install the Playwright Chromium browser:"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "53158417",
"metadata": {},
"outputs": [],
"source": [
"# Install playwright\n",
"!pip install \"playwright\"\n",
"!pip install \"unstructured\"\n",
"!playwright install"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "0ab4e115",
"metadata": {},
"outputs": [],
"source": [
"from langchain.document_loaders import PlaywrightURLLoader"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "ce5a9a0a",
"metadata": {},
"outputs": [],
"source": [
"urls = [\n",
" \"https://www.youtube.com/watch?v=dQw4w9WgXcQ\",\n",
" \"https://goo.gl/maps/NDSHwePEyaHMFGwh8\",\n",
"]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "2dc3e0bc",
"metadata": {},
"outputs": [],
"source": [
"loader = PlaywrightURLLoader(urls=urls, remove_selectors=[\"header\", \"footer\"])"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "10b79f80",
"metadata": {},
"outputs": [],
"source": [
"data = loader.load()"
]
}
],
"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
}