text: from django import template
  from django.db import models
  from django.utils.translation import ugettext as _
  
  register = template.Library()
  
  
  @register.assignment_tag(name='get_global_model')
  def get_global_model(model_path):
      try:
          app_label, model_name = model_path.rsplit('.', 1)
      except ValueError:
          raise template.TemplateSyntaxError(_(
              "Templatetag requires the model dotted path: 'app_label.ModelName'. "
              "Received '%s'." % model_path
          ))
      model_class = models.get_model(app_label, model_name)
      if not model_class:
          raise template.TemplateSyntaxError(_(
              "Could not get the model name '%(model)s' from the application "
              "named '%(app)s'" % {
                  'model': model_name,
                  'app': app_label,
              }
          ))
      return model_class.get_global()
  