node-crawler
rq
node-crawler | rq | |
---|---|---|
3 | 27 | |
6,619 | 9,523 | |
0.2% | 0.8% | |
4.8 | 8.6 | |
4 months ago | 5 days ago | |
JavaScript | Python | |
MIT License | GNU General Public License v3.0 or later |
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node-crawler
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Need some motivation, new to developing
web crawlers: these are applications that systematically map all of the links on websites, and create a searchable index. A popular JS tool here is node-crawler.
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Mastering Web Scraping in Python: Crawling from Scratch
Before you write your own library for crawling, try some of the options out there. Many great Open Source libraries can achieve it: Scrapy, pyspider, node-crawler (Node.js), or Colly (Go). And many companies and services that provide you with scraping and crawling solutions.
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Stealth Web Scraping in Python: Avoid Blocking Like a Ninja
We could write some snippet mixing all of these, but the best option in real life is to use a tool with it all like Scrapy, pyspider, node-crawler (Node.js), or Colly (Go). The idea being the snippets is to understand each problem on its own. But for large-scale, real-life projects, handling everything on our own would be too complicated.
rq
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Redis Re-Implemented with SQLite
That's pretty cool. Reckon it would work with existing code that calls Redis over the wire for RQ?
https://python-rq.org
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The Many Problems with Celery
https://github.com/rq/rq is to the rescue.
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Keep the Monolith, but Split the Workloads
We use RQ[0], it has Redis as a dependency. It’s pretty straightforward and we’re very happy with it. If you are using Django you may want to look at Django RQ[1] as well. RQ has built in scheduling capabilities these days, but historically it did not so we used (and still use) RQ Scheduler[2] which I think still has some advantages over the built in stuff.
[0] https://python-rq.org/
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SQL Maxis: Why We Ditched RabbitMQ and Replaced It with a Postgres Queue
Also had a similar experience using RabbitMQ with Django+Celery. Extremely complicated and workers/queues would just stop for no reason.
Moved to Python-RQ [1] + Redis and been rock solid for years now.
[1] https://python-rq.org/
- Ask HN: Redis Queue Hacks and Questions
- What libraries do you use the most alongside django?
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Recommendations other than celery to send an API processing in background, which would only take 5 mins to process and API usage would be once a month or so.
Yep, rq is simple and good: https://python-rq.org/ It also has a Django wrapper: https://github.com/rq/django-rq
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GPU instance crashes when two python processes use the same pt file
We have a GPU (G5) instance that uses Python RQ (https://python-rq.org/).
- Dynamically update periodic tasks in Celery and Django
- Celery + RabbitMQ alternatives
What are some alternatives?
puppeteer - Node.js API for Chrome
celery - Distributed Task Queue (development branch)
colly - Elegant Scraper and Crawler Framework for Golang
huey - a little task queue for python
Playwright - Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
RabbitMQ - Open source RabbitMQ: core server and tier 1 (built-in) plugins
google-play-scraper - Node.js scraper to get data from Google Play
mrq - Mr. Queue - A distributed worker task queue in Python using Redis & gevent
JSSoup - JavaScript + BeautifulSoup = JSSoup
procrastinate - PostgreSQL-based Task Queue for Python
arrive - Watch for DOM elements creation and removal
Apache Kafka - Mirror of Apache Kafka