Django 3 Web Development Cookbook - Fourth Edition

Getting ready

In this recipe, we will build upon the products app that we defined in the previous recipe. Follow these steps to get started:

1. Let's install django-ordered-model in our virtual environment:

(env)$ pip install django-ordered-model

2. Add ordered_model to INSTALLED_APPS in the settings.
3. Then, modify the ProductPhoto model from the previously defined products app, as follows:

# myproject/apps/products/models.pyfrom django.db import modelsfrom django.utils.translation import ugettext_lazy as _from ordered_model.models import OrderedModel# …class ProductPhoto(OrderedModel):    product = models.ForeignKey(Product, on_delete=models.CASCADE)    photo = models.ImageField(_("photo"),      upload_to=product_photo_upload_to)order_with_respect_to ...