Always have exactly one instance of a model.
Single Instance Model
We use Django for a lot of different things including CMS-style projects. In a CMS-style project, the user often needs to be able to just modify some data that shows up on the site. Maybe it's the content of a page.
The concept is simple: There's always going to be exactly one instance of this model.
pip install django-single-instance-model.
from django.db import models from single_instance_model.models import SingleInstanceModel class AboutUs(models.Model, SingleInstanceModel): text = models.TextField(max_length=2000)
from django.contrib import admin from single_instance_model.admin import SingleInstanceModelAdmin from . import models @admin.register(models.AboutUs) class AboutUsAdmin(SingleInstanceModelAdmin): pass
This works by executing code every time a database connection is established. It's a simple check to create the instance of the model if it doesn't exist.. but just be aware.
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