🎯 Project: Django Music

Build a CRUD application from scratch. This app should let you catalog your music collection.

• Create
• Read
• Update
• Delete

This is due on Thursday Morning.

Django Music

🔖 Resources

• Database Design Tutorial This is a great short article that is really an intro to databases. It covers some data best practices and explains primary keys, foreign keys, and relationships.
• Django Docs Model Relationships
• Django Docs URLs
• Django Docs Template Language
• Django Docs Making Queries (using the ORM)

• Django Docs Topic Guide

• Model field null=True -> relevant for database storage
• Model field blank=True -> relevant for model object validation

🌶🌶🌶 Useful for the spicy options:

• Foreign Key to built-in User from DjangoGirls
• Extending the User model (preferred, used in Uptact)
• Uploading Images

Forms

• Working with Forms -> A good place to start for an overview
• What is up with form.is_valid()
• Validation on a model form
• Form and field validation
• The Forms API -> Details on form object attribute and methods (such as as_p())
• Django’s CSRF protection
  • What is CSRF?

🦉 Code & Notes

• Team 13 Diagram of Django
• Django shell notes
• Django Uptact, with finished tasks

🗓️ Today’s Topics

Today we develop our mental model of Django, understanding what it does and how it does it.

• Django urls & views
• Django templates
• Django models and the database
• Dealing with errors

📜 Django Reference Links

• Django Diagram
• Starting a New Django App
• Tour of a Django App

🎯 Project: Uptact

Complete the tutorial you chose by Monday morning.

🔖 Resources

• Thinkific Django
• MDN: Django Introduction
• Official Django documentation
• Django Topic Guide (this is a useful table of contents for the Django docs)
• Pretty Printed Django Videos: Videos 1-10 are the ones specific to Django. There are other videos on related topics; they are useful but not relevant to the material we’re covering right now.
• Django Chat Podcast: How to Learn Django
• Pipenv documentation
• Django Debug Toolbar

Databases

• DB Browser for SQLite
• Database Design Tutorial -> This is really an introduction to databases.

🦉 Code & Notes

• Django example from class documentation
• Source code for Django example from class

Today, we’ll take a brief survey of classes and objects in Python to get us ready to take on Django.

Today’s topics

• Python Classes
  • Instantiating an Object
  • Attributes
  • Instance Methods
  • “Magic” Methods

🔎 Wheel of Fortune Project Retrospective

• Something I learned by doing this project is…
• Something I want to understand better or know more about is…
• In this project, I was happy that I was able to…

🐍 Code Break

Creating classes and objects

🎯 Project

DUE MONDAY MORNING:

• Complete at least one of the following tutorials:
  • DjangoGirls
    • Solid content, friendly language, focused on finishing a complete app and learning the essential parts of a Django app.
  • MDN Django Library Tutorial
    • Detailed explanations, goes into intermediate topics that aren’t absolutely necessary for building your first app but will be useful.

  Link to turn in your deployed tutorial code.

🔖 Resources

Object-oriented

• Real Python - Object-Oriented Programming in Python 3
• A Byte of Python: OO
• Inheritance and Composition in Python OO
• OO-Programming – This is a chapter from a book called Beyond the Basic Stuff With Python by Al Sweigart. He has written a ton of great books on Python and makes them available to read for free online at inventwithpython.com. You might check out Automate the Boring Stuff with Python. It’s a fantastic beginner book.

Classes in Python

• Python Docs: Classes
• Python Docs: Clases
• StackOverflow: How do I design a class in Python?
• Special Methods (aka magic methods) in the Python Docs
• Nombres Especiales de Método
• A Guide to Python’s Magic Methods This is a great reference, but watch out! It was written for Python 2, so a few things may be different in Python 3.

Useful resources for debugging

• Scope of Variables in Python
• 🐛 Debugging Python For Fun & Profit (video)
• Code Style Checks in Python We installed flake8 on the first day of this phase. This post gives you some detail about what it’s for and why you need it.

🦉 Code & Notes

• Jupyter Notebooks Notebooks 13-15
• Blackjack
• Word Frequency OO Version

Today, we’ll continue applying what we’ve learned about Python in an assignment to work on in class and outside of class.

Today’s topics

• List Comprehensions
  • Repl.it from class
• Lambda functions
• More breaking down problems

🎯 Project

• Due Wednesday morning, we will work on Mystery Word in teams in class.

• Also by Wednesday Morning, please complete the Object Oriented Programming modules in Thinkific:

  • Object Oriented Python
  • Classes and Objects
  • An OOP cat
  • Create Individual Objects From a Class

🔖 Resources

• List Comprehensions
• Lambda Functions
• UPDATED 8/16 Tuple Unpacking & *args, **kwargs Repl

🦉 Code & Notes

• Jupyter Notebooks Notebooks 13-15