django-fernet-fields-v2

import os from django.db import models from django.conf import settings from fernet_fields import FernetTextField # Minimum Django settings for model use settings.configure( SECRET_KEY=os.environ.get('DJANGO_SECRET_KEY', 'a-very-secret-key-for-testing-only-do-not-use-in-prod'), DATABASES={'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': ':memory:'}}, INSTALLED_APPS=['fernet_fields'], ) # Define a model with an encrypted text field class MyEncryptedModel(models.Model): secret_data = FernetTextField() def __str__(self): return f"Encrypted ID: {self.id}" # Example usage (after migrations, typically via manage.py) # In a real application, you would run makemigrations and migrate. # For this quickstart, we'll simulate it for demonstration. if not settings.configured: settings.configure(DEBUG=True, SECRET_KEY='dummy-key', INSTALLED_APPS=['fernet_fields']) # Note: In a real Django project, you would create and apply migrations. # For a standalone runnable example, we bypass direct model setup. # from django.apps import apps; apps.populate(settings.INSTALLED_APPS) # This part requires a proper Django setup with migrations applied. # For demonstration, assume model and database are ready. # from django.db import connection # with connection.schema_editor() as schema_editor: # schema_editor.create_model(MyEncryptedModel) # Demonstrate field usage (conceptually) # If MyEncryptedModel was properly migrated: # instance = MyEncryptedModel.objects.create(secret_data='This is highly sensitive information.') # print(f"Saved encrypted data. Retrieved: {instance.secret_data}") # print(f"Data in DB (would be encrypted): {MyEncryptedModel.objects.get(id=instance.id).secret_data}") print("To run this, integrate into a Django project, define FERNET_KEYS or SECRET_KEY, and apply migrations.") print("Example model `MyEncryptedModel` defined with `secret_data = FernetTextField()`")