Django Getting Started

Taking notes.

Part 1

django-admin startproject mysite python manage.py startapp <app-name>

• Views and urls.

Part 2

• settings.py: Set timezone

• Database usage: python manage.py migrate

Models

• Models Fields
• settings.py plug apps in INSTALLED_APPS variable.

Migrations

• makemigrations command.
• sqlmigrate command
• migrate command.

Shell

python manage.py shell

Model CRUD operations on admin

Suppose a polls app and a Question model, on polls/admin.py file add:

from .models import Question
admin.site.register(Question)

That's it.

Models API

• Queries, get, filters.`

Part 3

• New views on new urls.
• Templates. Read more here.
• Raising 404 error
  • raise django.http.Http404("Some message")
  • Shortcuts: get_object_or_404() and get_list_or_404()
• Removing hardcoded URLs in templates, e.g:

<a href="{% url 'detail' question.id %}">{{ question.question_text }}</a>

• Define app namespaces with app_name in urls.py.

Part 4

• Simple forms
• Generic Views
  • ListView and DetailView classes
  • Documentation