def get_base_pathname(self, specific_identifier, cache_id):
        'Base path name of this instance, taking into account any state or statelessness'
        if not specific_identifier:
            app_pathname = "%s:app-%s"% (app_name, main_view_label)
            ndid = self._uid
        else:
            app_pathname = "%s:%s" % (app_name, main_view_label)
            ndid = specific_identifier

        kwargs = {'ident': ndid}

        if cache_id:
            kwargs['cache_id'] = cache_id
            app_pathname = app_pathname + "--args"

        full_url = reverse(app_pathname, kwargs=kwargs)
        if full_url[-1] != '/':
            full_url = full_url + '/'
        return ndid, full_url
Base path name of this instance, taking into account any state or statelessness