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  • Book Overview & Buying Django Design Patterns and Best Practices
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Django Design Patterns and Best Practices

Django Design Patterns and Best Practices

By : Ravindran
4.7 (7)
Buy this Book
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Django Design Patterns and Best Practices

Django Design Patterns and Best Practices

4.7 (7)
By: Ravindran
Buy this Book

Overview of this book

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.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Django and Patterns
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1. Django and Patterns
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Why Django?
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The story of Django
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What is a Pattern?
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Patterns in this book
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Best practices
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Summary
2
2. Application Design
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2. Application Design
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How to gather requirements
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Are you a story teller?
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HTML mockups
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Designing the application
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Before starting the project
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SuperBook – your mission, should you choose to accept it
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Summary
3
3. Models
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3. Models
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M is bigger than V and C
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The model hunt
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Structural patterns
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Retrieval patterns
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Migrations
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Summary
4
4. Views and URLs
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4. Views and URLs
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A view from the top
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Class-based generic views
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View mixins
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Decorators
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View patterns
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Designing URLs
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Summary
5
5. Templates
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5. Templates
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Understanding Django's template language features
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Organizing templates
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Using Bootstrap
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Template patterns
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Summary
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6. Admin Interface
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6. Admin Interface
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Using the admin interface
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Enhancing models for the admin
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Admin interface customizations
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Protecting the admin
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Summary
7
7. Forms
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7. Forms
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How forms work
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Displaying forms
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Understanding CSRF
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Form processing with Class-based views
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Form patterns
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Summary
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8. Dealing with Legacy Code
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8. Dealing with Legacy Code
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Finding the Django version
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Where are the files? This is not PHP
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Starting with urls.py
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Jumping around the code
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Understanding the code base
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Incremental change or a full rewrite?
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Write tests before making any changes
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Legacy databases
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Summary
9
9. Testing and Debugging
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9. Testing and Debugging
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Why write tests?
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Test-driven development
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Writing a test case
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Mocking
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Pattern – test fixtures and factories
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Learning more about testing
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Debugging
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The print function
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Logging
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The Django Debug Toolbar
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The Python debugger pdb
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Other debuggers
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Debugging Django templates
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Summary
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10. Security
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10. Security
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Cross-site scripting (XSS)
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A handy security checklist
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Summary
11
11. Production-ready
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11. Production-ready
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Production environment
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Hosting
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Deployment tools
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Monitoring
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Performance
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Summary
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A. Python 2 versus Python 3
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A. Python 2 versus Python 3
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But I still use Python 2.7!
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Python 3
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Further information
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Index
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Index

Understanding Django's template language features

It is time to talk about the third musketeer in the MTV trio—templates. Your team might have designers who take care of designing templates. Or you might be designing them yourself. Either way, you need to be very familiar with them. They are, after all, directly facing your users.

Let's start with a quick primer of Django's template language features.

Variables

Each template gets a set of context variables. Similar to Python's string format() method's single curly brace {variable} syntax, Django uses the double curly brace {{ variable }} syntax. Let's see how they compare:

  • In Pure Python the syntax is <h1>{title}</h1>. For example:

    >>> "<h1>{title}</h1>".format(title="SuperBook")
'<h1>SuperBook</h1>'

  • The syntax equivalent in a Django template is <h1>{{ title }}</h1>.

  • Rendering with the same context will produce the same output as follows:

    >>> from django.template import Template...
Visually different images
CONTINUE READING
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Tech Concepts
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Programming languages
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Django Design Patterns and Best Practices
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