airflow/hooks/presto_hook.py
def get_conn(self):
        """Returns a connection object"""
        db = self.get_connection(self.presto_conn_id)
        reqkwargs = None
        if db.password is not None:
            reqkwargs = {'auth': HTTPBasicAuth(db.login, db.password)}
        return presto.connect(
            host=db.host,
            port=db.port,
            username=db.login,
            source=db.extra_dejson.get('source', 'airflow'),
            protocol=db.extra_dejson.get('protocol', 'http'),
            catalog=db.extra_dejson.get('catalog', 'hive'),
            requests_kwargs=reqkwargs,
            schema=db.schema)
def get_conn(self):
        """Returns a connection object"""
        db = self.get_connection(self.presto_conn_id)
        reqkwargs = None
        if db.password is not None:
            reqkwargs = {'auth': HTTPBasicAuth(db.login, db.password)}
        return presto.connect(
            host=db.host,
            port=db.port,
            username=db.login,
            source=db.extra_dejson.get('source', 'airflow'),
            protocol=db.extra_dejson.get('protocol', 'http'),
            catalog=db.extra_dejson.get('catalog', 'hive'),
            requests_kwargs=reqkwargs,
            schema=db.schema)
Returns a connection object