def get_supported_app_labels(self):
        get_app_label = lambda x: x.split(".", 1)[0]
        if not hasattr(self, '_app_labels_cache'):
            perms = self.get_supported_permissions()
            self._app_labels_cache = set([get_app_label(x) for x in perms])
        return self._app_labels_cache
Get app labels which this handler can treat.
dataset/ETHPy150Open lambdalisue/django-permission/src/permission/handlers.py/PermissionHandler.get_supported_app_labels