forked from Archives/langchain
92f05a67a4
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. <!-- Thank you for contributing to LangChain! Your PR will appear in our release under the title you set. Please make sure it highlights your valuable contribution. Replace this with a description of the change, the issue it fixes (if applicable), and relevant context. List any dependencies required for this change. After you're done, someone will review your PR. They may suggest improvements. If no one reviews your PR within a few days, feel free to @-mention the same people again, as notifications can get lost. Finally, we'd love to show appreciation for your contribution - if you'd like us to shout you out on Twitter, please also include your handle! --> Fixes #1829 #### Before submitting <!-- If you're adding a new integration, please include: 1. a test for the integration - favor unit tests that does not rely on network access. 2. an example notebook showing its use See contribution guidelines for more information on how to write tests, lint etc: https://github.com/hwchase17/langchain/blob/master/.github/CONTRIBUTING.md --> #### Who can review? Tag maintainers/contributors who might be interested: @hwchase17 @eyurtsev --> --------- Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
220 lines
4.8 KiB
Plaintext
220 lines
4.8 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "2dfc4698",
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"metadata": {},
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"source": [
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"# URL\n",
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"\n",
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"This covers how to load HTML documents from a list of URLs into a document format that we can use downstream."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "16c3699e",
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"metadata": {},
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"outputs": [],
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"source": [
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"from langchain.document_loaders import UnstructuredURLLoader"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "836fbac1",
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"metadata": {},
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"outputs": [],
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"source": [
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"urls = [\n",
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" \"https://www.understandingwar.org/backgrounder/russian-offensive-campaign-assessment-february-8-2023\",\n",
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" \"https://www.understandingwar.org/backgrounder/russian-offensive-campaign-assessment-february-9-2023\",\n",
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"]"
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]
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},
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{
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"cell_type": "markdown",
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"id": "33089aba-ff74-4d00-8f40-9449c29587cc",
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"metadata": {},
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"source": [
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"Pass in ssl_verify=False with headers=headers to get past ssl_verification error."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "00f46fda",
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"metadata": {},
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"outputs": [],
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"source": [
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"loader = UnstructuredURLLoader(urls=urls)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "b68a26b3",
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"metadata": {},
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"outputs": [],
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"source": [
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"data = loader.load()"
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]
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},
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{
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"attachments": {},
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"cell_type": "markdown",
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"id": "f3afa135",
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"metadata": {},
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"source": [
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"# Selenium URL Loader\n",
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"\n",
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"This covers how to load HTML documents from a list of URLs using the `SeleniumURLLoader`.\n",
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"\n",
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"Using selenium allows us to load pages that require JavaScript to render.\n",
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"\n",
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"## Setup\n",
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"\n",
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"To use the `SeleniumURLLoader`, you will need to install `selenium` and `unstructured`.\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "5fc50835",
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"metadata": {},
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"outputs": [],
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"source": [
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"from langchain.document_loaders import SeleniumURLLoader"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "24e896ce",
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"metadata": {},
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"outputs": [],
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"source": [
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"urls = [\n",
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" \"https://www.youtube.com/watch?v=dQw4w9WgXcQ\",\n",
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" \"https://goo.gl/maps/NDSHwePEyaHMFGwh8\",\n",
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"]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "60a29397",
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"metadata": {},
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"outputs": [],
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"source": [
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"loader = SeleniumURLLoader(urls=urls)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "0090cd57",
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"metadata": {},
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"outputs": [],
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"source": [
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"data = loader.load()"
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]
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},
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{
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"attachments": {},
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"cell_type": "markdown",
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"id": "a2c1c79f",
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"metadata": {},
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"source": [
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"# Playwright URL Loader\n",
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"\n",
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"This covers how to load HTML documents from a list of URLs using the `PlaywrightURLLoader`.\n",
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"\n",
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"As in the Selenium case, Playwright allows us to load pages that need JavaScript to render.\n",
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"\n",
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"## Setup\n",
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"\n",
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"To use the `PlaywrightURLLoader`, you will need to install `playwright` and `unstructured`. Additionally, you will need to install the Playwright Chromium browser:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "53158417",
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"metadata": {},
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"outputs": [],
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"source": [
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"# Install playwright\n",
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"!pip install \"playwright\"\n",
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"!pip install \"unstructured\"\n",
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"!playwright install"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "0ab4e115",
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"metadata": {},
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"outputs": [],
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"source": [
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"from langchain.document_loaders import PlaywrightURLLoader"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "ce5a9a0a",
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"metadata": {},
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"outputs": [],
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"source": [
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"urls = [\n",
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" \"https://www.youtube.com/watch?v=dQw4w9WgXcQ\",\n",
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" \"https://goo.gl/maps/NDSHwePEyaHMFGwh8\",\n",
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"]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "2dc3e0bc",
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"metadata": {},
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"outputs": [],
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"source": [
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"loader = PlaywrightURLLoader(urls=urls, remove_selectors=[\"header\", \"footer\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "10b79f80",
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"metadata": {},
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"outputs": [],
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"source": [
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"data = loader.load()"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.10.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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