How to use the neo4j.v1.GraphDatabase.driver function in neo4j

def __init__(self, user, password, url ='bolt://localhost:7687', debug = False):
        self.debug = debug
        self.neo4j_url = url
        self.neo4j_user = user
        self.neo4j_password = password

        self.driver = neo4j.v1.GraphDatabase.driver(self.neo4j_url,
                                                    auth=(self.neo4j_user,
                                                          self.neo4j_password))

def __init__(self, uri, user, password):
        self._driver = GraphDatabase.driver(uri, auth=(user, password), max_retry_time=1)

return driver

def create_demo_user(neo4j_session):
    results = neo4j_session.run("MATCH (u:User {user : 'demo'}) RETURN u")
    result = results.single()
    if not result:
        print("Adding user 'demo' to the neo4j database.")
        neo4j_session.run("CREATE (a:User {user: {username}, argon_password: {hash}})",
                {"username": "demo", "hash": argon2.hash("demo123")}) 


# For use in easy_install.sh to set up a demo user.
if __name__ == '__main__':
    uri = sys.argv[1] 
    password = sys.argv[2] 
    driver = GraphDatabase.driver(uri, auth=basic_auth("neo4j", password))
    with driver.session() as neo4j_session:  
        create_demo_user(neo4j_session)

"""
    Execute the cartography.sync.Sync.run method with parameters built from the given configuration object.

    This function will create a Neo4j driver object from the given Neo4j configuration options (URI, auth, etc.) and
    will choose a sensible update tag if one is not specified in the given configuration.

    :type sync: cartography.sync.Sync
    :param sync: A sync task to run.
    :type config: cartography.config.Config
    :param config: The configuration to use to run the sync task.
    """
    neo4j_auth = None
    if config.neo4j_user or config.neo4j_password:
        neo4j_auth = (config.neo4j_user, config.neo4j_password)
    try:
        neo4j_driver = GraphDatabase.driver(
            config.neo4j_uri,
            auth=neo4j_auth,
        )
    except neobolt.exceptions.ServiceUnavailable as e:
        logger.debug("Error occurred during Neo4j connect.", exc_info=True)
        logger.error(
            (
                "Unable to connect to Neo4j using the provided URI '%s', an error occurred: '%s'. Make sure the Neo4j "
                "server is running and accessible from your network."
            ),
            config.neo4j_uri,
            e,
        )
        return
    except neobolt.exceptions.AuthError as e:
        logger.debug("Error occurred during Neo4j auth.", exc_info=True)

Relation type to use for edges encoding homomorphisms.
        graph_relation_label : str, optional
            Relation type to use for edges encoding relations.
        """
        # The following idea is cool but it's not so easy:
        # as we have two types of nodes in the hierarchy:
        # graphs and rules, as well as two types of edges:
        # homomorphisms and relations, and so far Neo4jGraph
        # supports only a single label for nodes and for edges
        # Neo4jGraph.__init__(
        #     self, uri=uri, user=user, password=password,
        #     node_label="hierarchyNode",
        #     edge_label="hierarchyEdge")

        if driver is None:
            self._driver = GraphDatabase.driver(
                uri, auth=(user, password))
        else:
            self._driver = driver

        self._graph_label = graph_label
        self._typing_label = typing_label
        self._relation_label = relation_label
        self._graph_edge_label = graph_edge_label
        self._graph_typing_label = graph_typing_label
        self._graph_relation_label = graph_relation_label

        try:
            query = "CREATE " + constraint_query(
                'n', self._graph_label, 'id')
            self.execute(query)
        except:

Dictionary contaning typing of data nodes by schema nodes.
            By default is empty.
        """

        if data_graph is None:
            data_graph = {"nodes": [], "edges": []}

        if schema_graph is None:
            schema_graph = {"nodes": [], "edges": []}
        if typing is None:
            typing = dict()

        if clear is True:
            self._clear()

        self._driver = GraphDatabase.driver(
            uri, auth=(user, password))

        self._graph_label = "graph"
        self._typing_label = "homomorphism"
        self._relation_label = None

        self._graph_edge_label = "edge"
        self._graph_typing_label = "typing"
        self._graph_relation_label = "relation"

        self._schema_node_label = "type"
        self._data_node_label = "node"