def close_instance(self, connection: PooledMySQLConnection,
cursor: MySQLCursor) -> None:
if connection is not None and connection.is_connected():
if cursor is not None:
cursor.close()
connection.close()
self._logger.info(
f"MySQL connection is closed. - PID: {os.getpid()}")
else:
self._logger.info(
"Connection has been disconnect or be killed before.")
def _is_connected(self, conn: PooledMySQLConnection) -> bool:
return conn.is_connected()