old_contents: from django.contrib import admin
  from models import *
  from registry.groups.models import User
  
  class SectionAdmin(admin.ModelAdmin):
      list_display = ('code', 'display_name')
  
  class RegistryFormAdmin(admin.ModelAdmin):
      list_display = ('registry', 'name', 'sections')
  
  class RegistryAdmin(admin.ModelAdmin):
      
      def queryset(self, request):
          if not request.user.is_superuser:
              user = User.objects.get(user=request.user)
              return Registry.objects.filter(registry__in=[reg.id for reg in user.registry.all()])
          return Registry.objects.all()
  
  
  admin.site.register(CDEPermittedValue)
  admin.site.register(CDEPermittedValueGroup)
  admin.site.register(CommonDataElement)
  admin.site.register(Wizard)
  admin.site.register(RegistryForm, RegistryFormAdmin)
  admin.site.register(Section, SectionAdmin)
  admin.site.register(Registry, RegistryAdmin)
new_contents: from django.contrib import admin
  from models import *
  from registry.groups.models import User
  
  class SectionAdmin(admin.ModelAdmin):
      list_display = ('code', 'display_name')
  
  class RegistryFormAdmin(admin.ModelAdmin):
      list_display = ('registry', 'name', 'sections')
  
  class RegistryAdmin(admin.ModelAdmin):
      
      def queryset(self, request):
          if not request.user.is_superuser:
              user = User.objects.get(user=request.user)
              return Registry.objects.filter(registry__in=[reg.id for reg in user.registry.all()])
          return Registry.objects.all()
  
      def has_add_permission(self, request):
          if request.user.is_superuser:
              return True
          return False
  
  
  admin.site.register(CDEPermittedValue)
  admin.site.register(CDEPermittedValueGroup)
  admin.site.register(CommonDataElement)
  admin.site.register(Wizard)
  admin.site.register(RegistryForm, RegistryFormAdmin)
  admin.site.register(Section, SectionAdmin)
  admin.site.register(Registry, RegistryAdmin)
subject: Disable adding registries for non-superusers