Advanced Elasticsearch 7.0

Initializing a connection

Using the following code block, you can initialize a connection similar to the one that we used for the low-level client. The name of the connection is high_level_client and we can directly use it in the construction of different request objects:

from elasticsearch_dsl import connectionsclass ESLowLevelClientByConnection:    __conn = None    __conn_lock = threading.Lock()    @staticmethod    def get_instance():        if ESLowLevelClientByConnection.__conn is None:            with ESLowLevelClientByConnection.__conn_lock:                if ESLowLevelClientByConnection.__conn is None:                     ESLowLevelClientByConnection.__conn =                         connections.create_connection('high_level_client',                            hosts=['localhost'], port=9200)        return ESLowLevelClientByConnection.__conn    def __init__ ...