Do you have practical experience implementing authentication using Google accounts?

Yes, practical experience with implementing authentication via Google accounts typically involves using the OAuth 2.0 and OpenID Connect protocols.

In Python/Django, libraries such as social-auth-app-django or django-allauth are often used for this purpose.

Example of the main steps:

1. Register your application in the Google Cloud Console, obtain a client_id and client_secret.
2. Configure a library in Django to support Google OAuth.
3. Add URLs for login via Google.
4. Upon successful authentication, retrieve user data and create or update the profile in your database.

Example configuration with social-auth-app-django in settings.py:

AUTHENTICATION_BACKENDS = (
    'social_core.backends.google.GoogleOAuth2',
    'django.contrib.auth.backends.ModelBackend',
)

SOCIAL_AUTH_GOOGLE_OAUTH2_KEY = '<your-client-id>'
SOCIAL_AUTH_GOOGLE_OAUTH2_SECRET = '<your-client-secret>'

This allows users to log in to the site using their Google accounts, simplifying the registration and authentication process.