def cloud_layer_uri(self, db_name, table_name, geom_column): uri = None # find db connection and create uri connections = DbConnectionCfg.get_cloud_db_connections(db_name) if len(connections) > 0: conn = DbConnectionCfg.from_settings(connections[0]) uri = conn.data_source_uri() uri.setDataSource("", table_name, geom_column) return uri