adobe-uxp-types-crawler
scraper
adobe-uxp-types-crawler | scraper | |
---|---|---|
1 | 12 | |
15 | 98 | |
- | - | |
0.0 | 0.0 | |
about 2 years ago | about 1 year ago | |
TypeScript | TypeScript | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
adobe-uxp-types-crawler
scraper
- Most Used Individual JavaScript Libraries - jQuery still leads
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Most Used JavaScript Libraries (percentage) - June 2022 [OC]
Additional info and source code for generating the dataset, summarizing it and rendering the chart are available at https://github.com/get-set-fetch/scraper/tree/main/datasets/javascript-libs-from-top-1mm-sites
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How to collaborate on web scraping?
Store the scrape progress (to-be-scraped / in-progress / scraped / in-error URLs) in a database shared by all participants and scrape in parallel with as many machines as the db load permits. Got a connection timeout / IP is blocked on one machine ? Update the scrape status for the corresponding URL and let another machine retry it. https://github.com/get-set-fetch/scraper (written in typescript) follows this idea. Using Terraform from a simple config file you can adjust the number of scraper instances to be deployed in cloud at startup and during the scraping process. In benchmarks a PostgreSQL server running on a DigitalOcean vm with 4vCPU, 8GB memory allows for ~2000 URLs to be scraped per second (synthetic data, no external traffic). From my own experience this is almost never the bottleneck. Obeying robots.txt crawl-delay will surely put you under this limit. Disclaimer: I'm the npm package author.
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How to serve scrapped data?
Written in typescript https://github.com/get-set-fetch/scraper stores scraped content directly in a database (sqlite, mysql, postgresql). Each URL represents a Resource. You can implement your own IResourceStorage and define the exact db columns you need.
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How to scrape entire blogs with content?
You can use https://github.com/get-set-fetch/scraper with a custom plugin based on the mozilla/readability as detailed in https://getsetfetch.org/node/custom-plugins.html (extracting news article content). I think it's a close match to your use case.
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A simple solution to rotate proxies or how to spin up your own rotation proxy server with Puppeteer and only a few lines of JS code
I'm currently implementing concurrency conditions at project/proxy/domain/session level in https://github.com/get-set-fetch/scraper . On each level you can define the maximum number of requests and the delay between two consecutive requests.
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Web scraping content into postgresql? Scheduling web scrapers into a pipeline with airflow?
If you're familiar with nodejs give https://github.com/get-set-fetch/scraper a try. Scraped content can be stored in sqlite, mysql or postgresql. It also supports puppeteer, playwright, cheerio or jsdom for the actual content extraction. No scheduler though.
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Web Scraping 101 with Python
I'm using this exact strategy to scrape content directly from DOM using APIs like document.querySelectorAll. You can use the same code in both headless browser clients like Puppeteer or Playwright and DOM clients like cheerio or jsdom (assuming you have a wrapper over document API). Depending on the way a web page was fetched (opened in a browser tab or fetched via nodejs http/https requests), ExtractHtmlContentPlugin, ExtractUrlsPlugin use different DOM wrappers (native, cheerio, jsdom) to scrape the content.
[1] https://github.com/get-set-fetch/scraper/blob/main/src/plugi...
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What is your “I don't care if this succeeds” project?
https://github.com/get-set-fetch/scraper - I've been working (intermittently :) ) on a nodejs or browser extension scraper for the last 3 years, see the other projects under the get-set-fetch umbrella. Putting a lot more effort lately as I really want to do those Alexa top 1 million analysis like top js libraries, certificate authorities and so on. A few weeks back I've posted on Show:HN as you can do basic/intermediate? scraping with it.
Not capable of handling 1 mil+ pages as it still limited to puppeteer or playwright. Working on adding cheerio/jsdom support right now.
What are some alternatives?
Twitch-Drops-Bot - A Node.js bot that will automatically watch Twitch streams and claim drop rewards.
puppeteer-cluster - Puppeteer Pool, run a cluster of instances in parallel
pwa-asset-generator - Automates PWA asset generation and image declaration. Automatically generates icon and splash screen images, favicons and mstile images. Updates manifest.json and index.html files with the generated images according to Web App Manifest specs and Apple Human Interface guidelines.
playwright-recaptcha-solver - ReCaptcha V2 solver for Playwright
qawolf - 🐺 Create browser tests 10x faster
playwright-python - Python version of the Playwright testing and automation library.
fingerprint-suite - Browser fingerprinting tools for anonymizing your scrapers. Developed by Apify.
pyppeteer - Headless chrome/chromium automation library (unofficial port of puppeteer)
timetable-grabber-sit - Timetable Grabber - SIT is a tool that allows you to grab and export your trimester's timetable to the .ics format where you can import it to your favourite calendar.
vopono - Run applications through VPN tunnels with temporary network namespaces
listudy - Listudy - chess training server