It returns absolute url defined by node related to this page

def get_absolute_url(self):
        """
        It returns absolute url defined by node related to this page
        """
        try:
            node = Node.objects.select_related().filter(page=self)[0]
            return node.get_absolute_url()
        except Exception, e:
            raise ValueError(u"Error in {0}.{1}: {2}".format(self.__module__, self.__class__.__name__, e))
            return u""