Wednesday

Objectives

• Understand how relationships between data models are handled in Django
• Learn about how Django accesses files
• Learn how node deletion affects a Binary Search Tree

Readings

Django Views

For your tasks this week, you’ll need to create a number of views in Django. Please refer to the following readings for help in answering your quesitons:

• Writing Views in Django
• An overview of Django’s Class-Based Views
• Full API Documentation for Class-Based Views

You may also wish to refer to the following materials for help in writing templates in Django:

• An overview of the Django Template Language
• Django Templates Configuration (including configuration of template lookup and engine selection)
• The built-in template tags and filters in Django
• Creating your own custom template tags and filters

Review

• Traversing the Binary Search Tree
• Testing in Django

Concepts

• Django Relationships
  • Users
  • Relating Users to Profiles
  • Relationships and Back References
  • Relationships and Managers
  • Summary
• A Python Miscellany: Iterators & Generators
  • Iterators
  • Generators
  • Wrap Up

Demo

Managing relationships in the Django ORM

Assignments

• Binary Search Tree: Traversals
• Today I learned...
• Django Imager: Create a Data Model (Due Friday)