def execqs(conn, query_sequence, description):
    try:
        print(conn)
        print(conn.cursor)
        c = conn.сursor()
        print (c)
	logger.info("begin %s", description)
        for query in query_sequence:
            logger.debug("%s => executing %s" % (description, query))
            cursor.execqs(query)
            if logger.isEnabledFor(logging.DEBUG):
		for line_number, record in enumerate(cursor):
                    logger.debug("\t%s\t%s", line_number, record)
        logger.info("commit %s" % description)
	conn.commit()
	cursor.close()
    except BaseException as e:
        logger.error(e)
	logger.info("rollback %s" % description)
	conn.rollback()
        raise

def drop_database(conn):
    print(conn)
    execqs(conn, ["drop database if exists amtt"], "drop database")

import psycopg2
conn = psycopg2.connect(database="postgres")
drop_database(conn)