python hbase util

from traceback import format_excimport phoenixdb as pbclass Utils(object):
    def get_db_conn(self, url):
        """
        this function is able to get database connection
        :param url: Database url
        :return: database connection
        """
        try:
            _conn = pb.connect(url, autocommit=True)
            cr = _conn.cursor()
            print('get HBase connection success....')
            return cr, _conn
        except:
            try:
                _conn = pb.connect(url, autocommit=True)
                cr = _conn.cursor()
                return cr, _conn
            except:
                cr = 'err'
                _conn = format_exc()
                print(str(format_exc()))
        return cr, _conn