March 2015
Intermediate to advanced
222 pages
5h 1m
English
Content preview from Django Design Patterns and Best PracticesBecome 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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Chapter 8. Dealing with Legacy Code
In this chapter, we will discuss the following topics:
- Reading a Django code base
- Discovering relevant documentation
- Incremental changes versus full rewrites
- Writing tests before changing code
- Legacy database integration
It sounds exciting when you are asked to join a project. Powerful new tools and cutting-edge technologies might await you. However, quite often, you are asked to work with an existing, possibly ancient, codebase.
To be fair, Django has not been around for that long. However, projects written for older versions of Django are sufficiently different to cause concern. Sometimes, having the entire source code and documentation might not be enough.
If you are asked to recreate the environment, then you might ...
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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.