code: def admin_required(function=None):
      
      def check_perms(user):
          # if user not logged in, show login form
          if not user.is_authenticated:
              return False
          # if this site doesn't allow admin access, fail
          if settings.ADMIN_IGNORED:
              raise PermissionDenied
          # check if the user has admin rights
          if not user.is_admin:
              raise PermissionDenied
          return True
  
      actual_decorator = user_passes_test(check_perms, login_url=_login_url)
      if function:
          return actual_decorator(function)
      return actual_decorator
docs: Decorator for views that checks that the user is an administrator,
      redirecting to the log-in page if necessary.