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Tango With Django 4

A beginner's guide to web development with Django 4

If you want to learn how to use Django to build web applications, then Tango with Django provides an all round end-to-end guide for beginners. Eleven chapters are now available at a lower introductory price to get you started on creating apps in Django!

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About

About

About the Book

In this book, you will learn how to build web applications using Django 4 by building a simple web app called Rango, a directory of categories and links. Through the process, you will learn how to set up your Python environment and Django projects, before learning the key design pattern behind Django: Model-View-Template.

Throughout the book, we provide workflows to get you into the Django mindset, reducing the learning curve, explaining the hows and whys of software development, and advocating best practices when developing your web apps. Through the book, you will learn how to integrate user authentication, build and customize forms and templates, along with advanced features like class-based views and testing.

In addition, we've included chapters that range from design to deployment -- covering the full stack of web development. So you will also learn about how to incorporate CSS and Twitter's Bootstrap, Javascript, and JQuery, along with external APIs, like Microsoft Azure's Bing Search API. We also cover how to deploy your Django application to PythonAnywhere.com.

This is the fifth edition of Tango with Django which has now been heavily revised and upgraded to make use of Django 4+ using Python 3.8+. The book was first launched in October 2013 by Dr. Leif Azzopardi and Dr. David Maxwell which we developed to teach web development at the University of Glasgow. The book has been used as the course text ever since, with thousands of undergraduate and postgraduate students using it over the years. Previous editions of the book are available at: www.tangowithdjango.com -- and previous versions of the book has been downloaded over 2 million times.

So, if you want to learn Django and build web applications, then Tango with Django provides an all-round end-to-end guide for beginners.

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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

      1Overview

      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

      2Getting Ready to Tango

      1. 2.1Python 3
      2. Which version of Django?
      3. Are your Python skills sharp?
      4. 2.2Virtual Environments
      5. 2.3The Python Package Manager
      6. 2.4Integrated Development Environment
      7. 2.5Version Control

      3Django Basics

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

      4Templates and Media Files

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

      5Models 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

      6Models, Templates and Views

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

      7Forms

      1. 7.1Workflow: Capturing User Data via Forms
      2. 7.2Page and Category Forms

      8Working 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

      9User Authentication

      1. 9.1Setting up Authentication
      2. 9.2Password Hashing
      3. 9.3Password Validators
      4. 9.4The User Model
      5. 9.5Implementing Login Functionality
      6. 9.6Restricting Access
      7. 9.7Logging Out
      8. 9.8Tidying up the base.html Hyperlinks
      9. 9.9Taking it Further

      10Cookies 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

      11User Authentication with Django-Registration-Redux

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

      12Bootstrapping Rango

      1. 12.1The Template
      2. 12.2Quick Style Change

      13Adding Search to Rango

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

      14Making Rango Tango Exercises

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

      15Making Rango Tango Hints

      1. 15.1Track Page Clickthroughs
      2. 15.2Searching Within a Category Page
      3. 15.3Creating a UserProfile Instance

      16Class-Based Views

      1. 16.1Viewing your Profile
      2. 16.2Listing all Users

      17JQuery Crash Course

      1. 17.1Including JQuery
      2. 17.2Testing your Setup
      3. 17.3Further DOM Manipulation Examples
      4. 17.4Debugging Hints

      18AJAX in Django with JQuery

      1. 18.1AJAX and Rango
      2. 18.2Adding a “Like” Button
      3. 18.3Further AJAX-ing
      4. 18.4Setting up your Web Application
      5. 18.5Log Files

      19Final Thoughts

      1. 19.1Acknowledgements

      20Setting up your System

      1. 20.1Installing Python 3 and pip

      21A Crash Course on Git

      1. 21.1Why Use Version Control?
      2. 21.2How Git Works
      3. 21.3Setting up Git
      4. 21.4Basic Commands and Workflow
      5. 21.5Recovering from Mistakes

      22A Crash Course in UNIX-based Commands

      1. 22.1Using the Terminal
      2. 22.2Core Commands

      23A Crash Course in CSS

      1. 23.1Including Stylesheets
      2. 23.2Basic CSS Selectors
      3. 23.3Element Selectors
      4. 23.4Fonts
      5. 23.5Colours and Backgrounds
      6. 23.6Containers, Block-Level and Inline Elements
      7. 23.7Basic Positioning
      8. 23.8The Box Model
      9. 23.9Styling Lists
      10. 23.10Styling Links
      11. 23.11The Cascade
      12. 23.12Additional Reading

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