Django Design Patterns and Best Practices
Language: English
Pages: 180
ISBN: 1783986646
Format: PDF / Kindle (mobi) / ePub
Easily build maintainable websites with powerful and relevant Django design patterns
About This Book
- Unravel the common problems of web development in Django
- Learn the current best practices while working in Django 1.7 and Python 3.4
- Experience the challenges of working on an end-to-end social network project
Who This Book Is For
If you want to learn how best to utilize commonly found patterns and learn best practices in developing applications with Django, this is the book for you. This book, like Django itself, is accessible to amateur and professional developers alike and assumes little in the way of prior experience.
Although written for Python 3, the majority of the code in this book works in Python 2 or can be easily translated.
What You Will Learn
- Understand common design patterns that can help you write better Django code
- Discover the latest best practices and idioms in this rapidly evolving framework
- Deep dive into various aspects of Django from Models and Views to testing and deployment
- Get to grips with difficult topics such as dealing with legacy code and debugging
- Familiarize yourself with the various nuances of web development such as browser attacks and databases
- Reduce the maintenance burden with well-tested, cleaner code
- Show your work to the world by learning about hosting, deploying, and securing your Django projects
In Detail
Learning how to write better Django code to build more maintainable websites either takes a lot of experience or familiarity with various design patterns. Filled with several idiomatic Django patterns, Django Design Patterns and Best Practices accelerates your journey into the world of web development.
Discover a set of common design problems, each tackling aspects of Django including model design and Views, and learn several recommended solutions with useful code examples and illustrations. You'll also get to grips with the current best practices in the latest versions of Django and Python. Creating a successful web application involves much more than Django, so advanced topics including REST, testing, debugging, security, and deployment are also explored in detail.
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dad, T. Berry, a famous hip-hop star, used to call me that. I guess I was never good enough at singing to take up the family business. Actually, in my early days, I was a bit of a kleptomaniac. I am allergic to nuts, you know. Other bros have it easy. They can just live off any park. I had to improvise—cafes, movie halls, amusement parks, and so on. I read labels very carefully too. Ok, Acorn. Why do you think you were chosen for the user testing? Probably, because I was featured in a NY Star
method, as a best practice, you will need to call get_context_data of the superclass first and then add or override your context variables. [ 61 ] Views and URLs We can abstract this in the form of a mixin, as we have seen before: class FeedMixin(object): def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context["feed"] = models.Post.objects.viewable_posts(self. request.user) return context We can add this mixin to our views and use the added context variables
that it is quite hard to change the Django admin and leave it as it is. In fact, the admin is extremely customizable and its appearance can be drastically changed with minimal effort. Changing the heading Many users of the admin interface might be stumped by the heading—Django administration. It might be more helpful to change this to something customized such as MySite admin or something cool such as SuperBook Secret Area. It is quite easy to make this change. Simply add this line to your
changes from a central Git repository. 8. At remote host, run (database) migrations. 9. At remote host, touch app.wsgi to restart WSGI server. The entire process is automatic and should be completed in a few seconds. By default, if any step fails, then the deployment gets aborted. Though not explicitly mentioned, there would be checks to ensure that the process is idempotent. Note that Fabric is not yet compatible with Python 3, though the developers are in the process of porting it. In the
Ishikawa, and several others. The term "Pattern" came in vogue after their seminal work, A Pattern Language: Towns, Buildings, Construction (volume 2 in a five-book series) based on the astonishing insight that users know about their buildings more than any architect ever could. A pattern refers to an everyday problem and its proposed but time-tested solution. In the book, Christopher Alexander states that "Each pattern describes a problem, which occurs over and over again in our environment, and