Django 3 Web Development Cookbook - Fourth Edition

How to do it...

Execute the following steps, one by one:

1. Add the following content to the models.py file of your core app:

# myproject/apps/core/models.pyfrom urllib.parse import urlparse, urlunparsefrom django.conf import settingsfrom django.db import modelsclass UrlBase(models.Model):    """    A replacement for get_absolute_url()    Models extending this mixin should have either get_url or      get_url_path implemented.    """    class Meta:        abstract = True    def get_url(self):        if hasattr(self.get_url_path, "dont_recurse"):            raise NotImplementedError        try:            path = self.get_url_path()        except NotImplementedError:            raise        return settings.WEBSITE_URL + path    get_url.dont_recurse = True    def get_url_path(self):        if hasattr(self.get_url, "dont_recurse"):            raise NotImplementedError ...