Swagger Integration With Python Django

Below is the step-by-step procedure by which we can integrate swagger with the Django REST framework using Python:

Starting the Project Folder

To start the project use this command

django-admin startproject core
cd core

To start the app use this command

python manage.py startapp home

Now add this app to the ‘settings.py’

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'home',
    'rest_framework',
    'drf_yasg',
    
]

install restframework and drf_yasg

pip install drf-yasg
pip install djangorestframework

File Structure

core/settings.py: This code configures Swagger settings for Django REST Framework API, specifying a Bearer token security definition and disabling session-based authentication. Add below code in settings.py for swagger integration:

Python

SWAGGER_SETTINGS = {
    'SECURITY_DEFINITIONS': {
        'Bearer': {
            'type': 'apiKey',
            'name': 'Authorization',
            'in': 'header'
        }
    },
    'USE_SESSION_AUTH': False,
}

home/swagger.py: Create swagger.py file and add the below code. This code sets up a Swagger schema view for the Django REST Framework API, defining metadata such as title, version, description, terms of service, contact, and license. It allows public access and permits any user to view the schema.

Python

from rest_framework import permissions
from drf_yasg.views import get_schema_view
from drf_yasg import openapi

schema_view = get_schema_view(
    openapi.Info(
        title="My API",
        default_version='v1',
        description="Test description",
        terms_of_service="https://www.google.com/policies/terms/",
        contact=openapi.Contact(email="contact@myapi.local"),
        license=openapi.License(name="BSD License"),
    ),
    public=True,
    permission_classes=(permissions.AllowAny,),
)

home/urls.py: This Django code imports the admin module for administrative tasks, defines URL patterns for the admin interface and Swagger documentation. The schema_view is imported from a module named swagger, and it’s used to render the Swagger UI for API documentation at the ‘/swagger/’ endpoint with zero caching.

Python

from django.contrib import admin
from django.urls import path
from home.swagger import schema_view

urlpatterns = [
    path('admin/', admin.site.urls),
    path('swagger/', schema_view.with_ui('swagger',
                                         cache_timeout=0), name='schema-swagger-ui'),
]

Deployment of the Project

Run these commands to apply the migrations:

python3 manage.py makemigrations
python3 manage.py migrate

Run the server with the help of following command:

python3 manage.py runserver

Output

Swagger Integration With Django