First Django Project

Django is a Python-based web framework that allows you to quickly create efficient web applications. It is also called batteries included framework because Django provides built-in features for everything including Django Admin Interface, default database – SQLlite3, etc.

 

Setup

1. Install Django version 3.0.1:

sudo pip install django==3.0.1

2. Check Django version:

python -m django --version

3. Create a new Django project:

django-admin startproject project_name

4. Navigate into the project directory:

cd project_name

5. Create a new app within the project:

python manage.py startapp app_name

6. Start the development server:

python manage.py runserver

7. To stop the server, use ctrl+z.

Database Migrations

1. Create initial migrations:

python manage.py makemigrations

2. Apply migrations:

python manage.py migrate

This applies migrations for built-in models like admin, auth, contenttypes, and sessions.

Exploring Models

To see the default models available in your project:

1. Open the Django shell:

python manage.py shell

2. Run the following commands:

from django.apps import apps

for app in apps.get_app_configs():
    models = app.get_models()
    for model in models:
        print(model.__name__)
    

Viewing Model Data

To see the data in a model:

1. Open the Django shell:

python manage.py shell

2. Import the necessary model:

from django.contrib.auth.models import User

3. Retrieve and print user data:

users = User.objects.all()
for user in users:
    print(user.username)