Wednesday

Objectives

• Investigate Django’s Class-Based Views (CBV) and how they work
• Begin implementing your own forms into your Django Imager app
• Learn how text can be handled as a tree with the Trie Tree
• Begin to think about our final projects

Readings

• Trie Tree (Wikipedia)

• Trie Trees

• Create a Web Server and an Amazon RDS Database

• Setting up Django with Postgres, Nginx, and Gunicorn on Ubuntu 14.04

• Screencasts about Django Class-Based Views:

  • Part 1
  • Part 2
  • Part 3

Review

Concepts

• Deep Dive into Class-Based Views
  • The DetailView
  • CBV dispatch()
  • The get_object method
  • A Little More About get_context_data()
  • The Next Step in the Process
  • render_to_response
  • A Few Final Notes
• Trie
  • Definition
  • Motivation
  • Operations
• Amazon RDS and Deployment Prep
  • Provision an AWS RDS Instance with PostgreSQL
  • Prepare settings.py for Deployment
  • Prepare EC2 Instance to pull and start app

Demo

• Setting up EC2 and RDS to communicate with each-other

Assignments

• Implement a Trie in Python
• Deploy the Imager app to AWS
• Django Imager: Create Views to Edit Models
• Django Imager: Complete Front-End (Due Friday Week 8)
• Technical Blog Post: Draft Your Post (Due Friday)
• Today I learned...