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How to Tango with Django 1.9/1.10/1.11

A beginners guide to Python/Django

Leif Azzopardi and David Maxwell

Tango with Django is a beginner's guide to web development using the Python programming language and the popular Django framework 1.9 (also compatible with 1.10 and 1.11). The book teaches you the basics through a step-by-step guide, and is written in a clear, friendly way. A series of exercises can be found too, to test your knowledge.

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About the Book

The first edition of the Tango with Django book (available at: www.tangowithdjango.com) was launched in October 2013 by Leif Azzopardi and David Maxwell while at the University of Glasgow. The book has been used as the course textbook for web development courses within the University, and since its launch we've had over a million visitors to the website. We're now at the third iteration of the book which has been significantly expanded - the book is focused on Django 1.9 but is also compatible with Django 1.10 and 1.11, as well as being able to run with Python 2.7+ and Python 3.5+.

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Author

About the Authors

Leif Azzopardi

Leif Azzopardi is passionate about Web Development, Web Design, Information Architecture and Software Engineering. His research interests are focused on Information Retrieval and Search Engine Technologies.

David Maxwell

David Maxwell has a PhD in Computing Science from the University of Glasgow. During his time as a student, he taught Java, Python and Web Development. His research focused on Information Retrieval.

Contents

Table of Contents

1.Overview

  1. 1.1Why Work with this Book?
  2. 1.2What you will Learn
  3. 1.3Technologies and Services
  4. 1.4Rango: Initial Design and Specification
  5. 1.5Summary

2.Getting Ready to Tango

  1. 2.1Python
  2. 2.2The Python Package Manager
  3. 2.3Virtual Environments
  4. 2.4Integrated Development Environment
  5. 2.5Code Repository

3.Django Basics

  1. 3.1Testing Your Setup
  2. 3.2Creating Your Django Project
  3. 3.3Creating a Django App
  4. 3.4Creating a View
  5. 3.5Mapping URLs
  6. 3.6Basic Workflows

4.Templates and Media Files

  1. 4.1Using Templates
  2. 4.2Serving Static Media Files
  3. 4.3Serving Media
  4. 4.4Basic Workflow

5.Models and Databases

  1. 5.1Rango’s Requirements
  2. 5.2Telling Django about Your Database
  3. 5.3Creating Models
  4. 5.4Creating and Migrating the Database
  5. 5.5Django Models and the Shell
  6. 5.6Configuring the Admin Interface
  7. 5.7Creating a Population Script
  8. 5.8Workflow: Model Setup

6.Models, Templates and Views

  1. 6.1Workflow: Data Driven Page
  2. 6.2Showing Categories on Rango’s Homepage
  3. 6.3Creating a Details Page
  4. Exercises

7.Forms

  1. 7.1Basic Workflow
  2. 7.2Page and Category Forms

8.Working with Templates

  1. 8.1Using Relative URLs in Templates
  2. 8.2Dealing with Repetition
  3. 8.3Template Inheritance
  4. 8.4The render() Method and the request Context
  5. 8.5Custom Template Tags
  6. 8.6Summary

9.User Authentication

  1. 9.1Setting up Authentication
  2. 9.2Password Hashing
  3. 9.3Password Validators
  4. 9.4The User Model
  5. 9.5Additional User Attributes
  6. 9.6Creating a User Registration View and Template
  7. 9.7Implementing Login Functionality
  8. 9.8Restricting Access
  9. 9.9Logging Out
  10. 9.10Taking it Further

10.Cookies and Sessions

  1. 10.1Cookies, Cookies Everywhere!
  2. 10.2Sessions and the Stateless Protocol
  3. 10.3Setting up Sessions in Django
  4. 10.4A Cookie Tasting Session
  5. 10.5Client Side Cookies: A Site Counter Example
  6. 10.6Session Data
  7. 10.7Browser-Length and Persistent Sessions
  8. 10.8Clearing the Sessions Database
  9. 10.9Basic Considerations and Workflow

11.User Authentication with Django-Registration-Redux

  1. 11.1Setting up Django Registration Redux
  2. 11.2Functionality and URL mapping
  3. 11.3Setting up the Templates

12.Bootstrapping Rango

  1. 12.1Template
  2. 12.2Quick Style Change
  3. 12.3Using Django-Bootstrap-Toolkit

13.Webhose Search

  1. 13.1The Webhose API
  2. 13.2Adding Search Functionality
  3. 13.3Putting Webhose Search into Rango

14.Making Rango Tango! Exercises

  1. 14.1Track Page Clickthroughs
  2. 14.2Searching Within a Category Page
  3. 14.3Create and View Profiles

15.Making Rango Tango! Hints

  1. 15.1Track Page Clickthroughs
  2. 15.2Searching Within a Category Page
  3. 15.3Creating a UserProfile Instance
  4. 15.4Viewing your Profile
  5. 15.5Listing all Users

16.JQuery and Django

  1. 16.1Including JQuery in Your Django Project/App
  2. 16.2DOM Manipulation Example

17.AJAX in Django with JQuery

  1. 17.1AJAX based Functionality
  2. 17.2Add a Like Button
  3. 17.3Adding Inline Category Suggestions

18.Automated Testing

  1. 18.1Running Tests
  2. 18.2Coverage Testing

19.Deploying Your Project

  1. 19.1Creating a PythonAnywhere Account
  2. 19.2The PythonAnywhere Web Interface
  3. 19.3Creating a Virtual Environment
  4. 19.4Setting up Your Web Application
  5. 19.5Log Files

20.Final Thoughts

  1. 20.1Acknowledgements

Appendices

Setting up your System

  1. Installing Python
  2. Setting Up the PYTHONPATH
  3. Using setuptools and pip
  4. Virtual Environments
  5. Version Control

A Crash Course in UNIX-based Commands

  1. Using the Terminal
  2. Core Commands

A Git Crash Course

  1. Why Use Version Control?
  2. How Git Works
  3. Setting up Git
  4. Basic Commands and Workflow
  5. Recovering from Mistakes

A CSS Crash Course

  1. Including Stylesheets
  2. Basic CSS Selectors
  3. Element Selectors
  4. Fonts
  5. Colours and Backgrounds
  6. Containers, Block-Level and Inline Elements
  7. Basic Positioning
  8. The Box Model
  9. Styling Lists
  10. Styling Links
  11. The Cascade
  12. Additional Reading

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