old_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  from wagtail.wagtailadmin.edit_handlers import FieldPanel
  from wagtail.wagtailcore.models import Page
  from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
  
  
  class Category(Page):
      """
      The Oscars Category as a Wagtail Page
      This works because they both use Treebeard
      """
      name = models.CharField(_('Name'), max_length=255, db_index=True)
      description = models.TextField(_('Description'), blank=True)
      image = models.ForeignKey(
          'wagtailimages.Image',
          null=True,
          blank=True,
          on_delete=models.SET_NULL,
          related_name='+'
      )
  
      content_panels = Page.content_panels + [
          FieldPanel('name', classname='full'),
          FieldPanel('description', classname='full'),
          ImageChooserPanel('image')
      ]
  
  from oscar.apps.catalogue.models import *  # noqa
  
new_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  from wagtail.wagtailadmin.edit_handlers import FieldPanel
  from wagtail.wagtailcore.models import Page
  from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
  
  
  class Category(Page):
      """
      The Oscars Category as a Wagtail Page
      This works because they both use Treebeard
      """
      name = models.CharField(_('Name'), max_length=255, db_index=True)
      description = models.TextField(_('Description'), blank=True)
      image = models.ForeignKey(
          'wagtailimages.Image',
          null=True,
          blank=True,
          on_delete=models.SET_NULL,
          related_name='+'
      )
  
      content_panels = Page.content_panels + [
          FieldPanel('description', classname='full'),
          ImageChooserPanel('image')
      ]
  
      def save(self, *args, **kwargs):
          self.name = self.title
          super(Category, self).save(*args, **kwargs)
  
  from oscar.apps.catalogue.models import *  # noqa
  
subject: Set name field on save