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  • Book Overview & Buying Mastering Django: Core
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Mastering Django: Core

Mastering Django: Core

By : Nigel George
Buy this Book
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Mastering Django: Core

Mastering Django: Core

By: Nigel George
Buy this Book

Overview of this book

Mastering Django: Core is a completely revised and updated version of the original Django Book, written by Adrian Holovaty and Jacob Kaplan-Moss - the creators of Django. The main goal of this book is to make you a Django expert. By reading this book, you’ll learn the skills needed to develop powerful websites quickly, with code that is clean and easy to maintain. This book is also a programmer’s manual that provides complete coverage of the current Long Term Support (LTS) version of Django. For developers creating applications for commercial and business critical deployments, Mastering Django: Core provides a complete, up-to-date resource for Django 1.8LTS with a stable code-base, security fixes and support out to 2018.
Table of Contents (29 chapters)
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Preface
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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
Lock Free Chapter
1
1. Introduction to Django and Getting Started
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Introducing Django
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What's next?
2
2. Views and URLconfs
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2. Views and URLconfs
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Your first Django-powered page: Hello World
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Your second view: dynamic content
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URLconfs and loose coupling
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Your third view: dynamic URLs
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Django's pretty error pages
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What's next?
3
3. Templates
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3. Templates
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Template system basics
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Using the template system
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Dictionaries and contexts
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Basic template-tags and filters
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Philosophies and limitations
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Using templates in views
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Template loading
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render()
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Template subdirectories
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The include template tag
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Template inheritance
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What's next?
4
4. Models
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4. Models
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The "dumb" way to do database queries in views
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Configuring the database
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Your first app
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Defining Models in Python
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Basic data access
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What's next?
5
5. The Django Admin Site
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5. The Django Admin Site
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Using the admin site
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Adding your models to the admin site
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Making fields optional
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Customizing field labels
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Custom model admin classes
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Users, groups, and permissions
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When and why to use the admin interface-and when not to
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What's next?
6
6. Forms
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6. Forms
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Getting data from the Request Object
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A simple form-handling example
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Improving our simple form-handling example
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Simple validation
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Making a contact form
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Tying form objects into views
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Changing how fields are rendered
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Setting a maximum length
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Setting initial values
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Custom validation rules
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Specifying labels
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Customizing form design
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What's next?
7
7. Advanced Views and URLconfs
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7. Advanced Views and URLconfs
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URLconf Tips and Tricks
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Performance
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Error handling
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Including other URLconfs
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Passing extra options to view functions
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Reverse resolution of URLs
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Naming URL patterns
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URL namespaces
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What's next?
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8. Advanced Templates
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8. Advanced Templates
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Template language review
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Requestcontext and context processors
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Guidelines for writing our own context processors
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Automatic HTML escaping
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Inside Template loading
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Extending the template system
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Custom template tags and filters
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Advanced custom template tags
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What's next
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9. Advanced Models
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9. Advanced Models
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Related objects
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Managers
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Model methods
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Executing raw SQL queries
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Performing raw queries
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Executing custom SQL directly
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What's next?
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10. Generic Views
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10. Generic Views
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Generic views of objects
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Making "friendly" template contexts
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Adding extra context
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Viewing subsets of objects
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Dynamic filtering
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Performing extra work
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What's next?
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11. User Authentication in Django
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11. User Authentication in Django
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Overview
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Using the Django authentication system
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User objects
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Permissions and authorization
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Authentication in web requests
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Authentication views
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Authenticating data in templates
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Managing users in the admin
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Password management in Django
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Customizing authentication in Django
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Custom permissions
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Extending the existing user model
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Substituting a custom user model
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What's next?
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12. Testing in Django
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Introduction to testing
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Introducing automated testing
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Basic testing strategies
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Writing a test
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Creating a test
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Running tests
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Testing tools
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The test database
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Using different testing frameworks
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What's next?
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13. Deploying Django
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13. Deploying Django
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Preparing your codebase for production
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Critical settings
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Environment-specific settings
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HTTPS
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Performance optimizations
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Error reporting
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Using a virtualenv
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Using different settings for production
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Deploying Django to a production server
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Deploying Django with Apache and mod_wsgi
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Serving static files in production
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Scaling
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Performance tuning
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What's next?
14
14. Generating Non-HTML Content
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14. Generating Non-HTML Content
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The basics: views and MIME types
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Producing CSV
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Using the template system
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Other text-based formats
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Generating PDF
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Install ReportLab
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Write your view
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Complex PDF's
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Further resources
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Other possibilities
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The syndication feed framework
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The high-level framework
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The low-level framework
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The Sitemap framework
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What's next?
15
15. Django Sessions
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15. Django Sessions
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Enabling sessions
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Configuring the session engine
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Using Sessions in Views
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Session object guidelines
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Session serialization
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Setting test cookies
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Using sessions out of views
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When sessions are saved
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Browser-length sessions vs. persistent sessions
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Clearing the session store
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What's next
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16. Djangos Cache Framework
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16. Djangos Cache Framework
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Setting up the cache
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The per-site cache
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The per-view cache
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Template fragment caching
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The low-level cache API
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Downstream caches
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Using vary headers
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Controlling cache: using other headers
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What's next?
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17. Django Middleware
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17. Django Middleware
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Activating middleware
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Hooks and application order
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Writing your own middleware
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Available middleware
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Middleware ordering
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What's next?
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18. Internationalization
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18. Internationalization
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Definitions
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Translation
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Internationalization: in Python code
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Internationalization: In template code
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Internationalization: In Javascript code
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Internationalization: In URL patterns
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Localization: How to create language files
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Explicitly setting the active language
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Using translations outside views and templates
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Implementation notes
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What's next?
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19. Security in Django
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19. Security in Django
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Django's built in security features
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Additional security tips
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20. More on Installing Django
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20. More on Installing Django
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Running other databases
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Installing Django manually
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Upgrading Django
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Installing a Distribution-specific package
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Installing the development version
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What's next?
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21. Advanced Database Management
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21. Advanced Database Management
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General notes
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postgreSQL notes
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MySQL notes
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SQLite notes
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Oracle notes
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Using a 3rd-Party database backend
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Integrating Django with a legacy database
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What's next?
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A. Model Definition Reference
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A. Model Definition Reference
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Fields
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Universal field options
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Field attribute reference
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Relationships
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Model metadata options
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B. Database API Reference
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B. Database API Reference
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Creating objects
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Saving changes to objects
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Retrieving objects
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Complex lookups with Q objects
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Comparing objects
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Deleting objects
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Copying model instances
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Updating multiple objects at once
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Related objects
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Falling back to raw SQL
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C. Generic View Reference
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C. Generic View Reference
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Common arguments to generic views
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Simple generic views
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List/detail generic views
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Date-Based Generic Views
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Form handling with class-based views
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D. Settings
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D. Settings
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What's a settings file?
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Using settings in Python code
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Altering settings at runtime
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Security
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Creating your own settings
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DJANGO_SETTINGS_MODULE
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Using settings without setting DJANGO_SETTINGS_MODULE
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Available settings
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E. Built-in Template Tags and Filters
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E. Built-in Template Tags and Filters
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Built-in tags
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Built-in filters
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Internationalization tags and filters
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Other tags and filters libraries
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F. Request and Response Objects
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F. Request and Response Objects
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HttpRequest objects
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QueryDict objects
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HttpResponse objects
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JsonResponse Objects
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StreamingHttpResponse objects
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FileResponse objects
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Error views
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Customizing error views
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G. Developing Django with Visual Studio
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G. Developing Django with Visual Studio
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Installing Visual Studio
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Creating A Django project
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Django development in Visual Studio

Passing extra options to view functions

URLconfs have a hook that lets you pass extra arguments to your view functions, as a Python dictionary. The django.conf.urls.url() function can take an optional third argument which should be a dictionary of extra keyword arguments to pass to the view function. For example:

from django.conf.urls import url 
from . import views 
 
urlpatterns = [ 
    url(r'^reviews/(?P<year>[0-9]{4})/$',  
        views.year_archive,  
        {'foo': 'bar'}), 
]

In this example, for a request to /reviews/2005/, Django will call views.year_archive(request, year='2005', foo='bar'). This technique is used in the syndication framework to pass metadata and options to views (see Chapter 14, Generating Non-HTML Content).

Note

Dealing with conflicts

It's possible to have a URL pattern which captures named keyword arguments, and also passes arguments with the same names in its dictionary of extra arguments. When this happens, the...

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