July 2016
Beginner to intermediate
462 pages
9h 14m
English
Content preview from Python Data Analysis CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Scraping the Web
We know that search engines send out autonomous programs called bots to find information on the Internet. Usually, this leads to the creation of giant indices similar to a phonebook or a dictionary. The current situation (September 2015) for Python 3 users is not ideal when it comes to scraping the Web. Most frameworks only support Python 2. However, Guido van Rossum, Benevolent Dictator for Life (BDFL) has just contributed a crawler on GitHub that uses the AsyncIO API. All hail the BDFL!
I forked the repository and made small changes in order to save crawled URLs. I also made the crawler exit early. These changes are not very elegant, but this was all I could do in a limited time frame. Anyway, I can't hope to do better than the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.