June 2015
Intermediate to advanced
320 pages
7h 18m
English
Content preview from Learning Python NetworkingBecome 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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Redirects
Sometimes servers move their content around. They also make some content obsolete and put up new stuff in a different location. Sometimes they'd like us to use the more secure HTTPS protocol instead of HTTP. In all these cases, they may get traffic that asks for the old URLs, and in all these cases they'd probably prefer to be able to automatically send visitors to the new ones.
The 300 range of HTTP status codes is designed for this purpose. These codes indicate to the client that further action is required on their part to complete the request. The most commonly encountered action is to retry the request at a different URL. This is called a redirect.
We'll learn how this works when using urllib. Let's make a request:
>>> req = Request('http://www.gmail.com') ...Become 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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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.