scaling-to-distributed-crawling
colly
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scaling-to-distributed-crawling | colly | |
---|---|---|
5 | 39 | |
36 | 22,165 | |
- | 1.8% | |
0.0 | 6.0 | |
over 2 years ago | 10 days ago | |
HTML | Go | |
MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
scaling-to-distributed-crawling
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DOs and DON'Ts of Web Scraping
We published a repository and blog post about distributed crawling in Python. It is a bit more complicated than what we've seen so far. It uses external software (Celery for asynchronous task queue and Redis as the database).
- Mastering Web Scraping in Python: Scaling to Distributed Crawling - ZenRows
- Mastering Web Scraping in Python: Scaling to Distributed Crawling – ZenRows
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Mastering Web Scraping in Python: Scaling to Distributed Crawling
We will start to separate concepts before the project grows. We already have two files: tasks.py and main.py. We will create another two to host crawler-related functions (crawler.py) and database access (repo.py). Please look at the snippet below for the repo file, it is not complete, but you get the idea. There is a GitHub repository with the final content in case you want to check it.
colly
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Scraping the full snippet from Google search result
SerpApi focuses on scraping search results. That's why we need extra help to scrape individual sites. We'll use GoColly package.
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Show HN: Flyscrape – A standalone and scriptable web scraper in Go
Interesting. Can you compare it to colly? [0]
Last time I looked it was the most popular choice for scraping in Go and I have some projects using it.
Is it similar? Does it have more/less features or is it more suited for a different use case? (Which one?)
[0] https://github.com/gocolly/colly
- Colly: Elegant Scraper and Crawler Framework for Golang
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New modern web crawling tool
Sounds cool, but how is this different from Colly: https://github.com/gocolly/colly?
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colly VS scrapemate - a user suggested alternative
2 projects | 15 Apr 2023
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Web Scraping in Python: Avoid Detection Like a Ninja
We could write some snippets mixing all 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).
- Web scraping with Go
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Web scraper help
Unless you're specifically trying to do it using net/http, I recommend using colly. I've used it in a few scrappers and I love it!
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Web Scraping in Golang
In this blog, we will be covering the basics of web scraping in Go using the Fiber and Colly frameworks. Colly is an open-source web scraping framework written in Go. It provides a simple and flexible API for performing web scraping tasks, making it a popular choice among Go developers. Colly uses Go's concurrency features to efficiently handle multiple requests and extract data from websites. It offers a wide range of customization options, including the ability to set request headers, handle cookies, follow redirects, and more
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Learn how to scrape Trustpilot reviews using Go
github.com/gocolly/colly - popular and widely-used library for web scraping in Go. It provides a higher-level API than net/http and makes it easier to extract information from websites. It also provides features such as concurrency, automatic request retries, and support for cookies and sessions.
What are some alternatives?
celery - Distributed Task Queue (development branch)
GoQuery - A little like that j-thing, only in Go.
Scrapy - Scrapy, a fast high-level web crawling & scraping framework for Python.
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
xpath - XPath package for Golang, supports HTML, XML, JSON document query.
newspaper - newspaper3k is a news, full-text, and article metadata extraction in Python 3. Advanced docs:
rod - A Devtools driver for web automation and scraping
PeARS-orchard - This is the development version of PeARS, the people's search engine. More compact but less robust than PeARS-lite. If you just want to use PeARS as a local indexer, use PeARS-lite instead.
Geziyor - Geziyor, blazing fast web crawling & scraping framework for Go. Supports JS rendering.
storm-crawler - A scalable, mature and versatile web crawler based on Apache Storm
Ferret - Declarative web scraping