(host, user, passwd, db)
Args:
            host (str): The hostname of the SQL server.
            user (str): The username to use.
            passwd (str): Password for MySQL user.
            db (str): The name of the database to connect to.
Args:
            host (str): The hostname of the SQL server.
            user (str): The username to use.
            passwd (str): Password for MySQL user.
            db (str): The name of the database to connect to.
Args : host ( str ) : The hostname of the SQL server . user ( str ) : The username to use . passwd ( str ) : Password for MySQL user . db ( str ) : The name of the database to connect to .
def _create_engine(host, user, passwd, db):
        # type: (str, str, str, str) -> None
        '''
        Args:
            host (str): The hostname of the SQL server.
            user (str): The username to use.
            passwd (str): Password for MySQL user.
            db (str): The name of the database to connect to.
        '''
        SQLEngine._conn = MySQLdb.connect(host=host,
                                        user=user,
                                        passwd=passwd,
                                        db=db)
        SQLEngine._cursor = SQLEngine._conn.cursor()
def _create_engine ( host , user , passwd , db ) : # type: (str, str, str, str) -> None SQLEngine . _conn = MySQLdb . connect ( host = host , user = user , passwd = passwd , db = db ) SQLEngine . _cursor = SQLEngine . _conn . cursor ( )