py2neo.neo4j.WriteBatch.submit

    my_batch = neo4j.ReadBatch(graph_db)
    my_batch.append_cypher('match (n) return count(n);')
    nodes_count = my_batch.submit()
    print 'Nodes in graph initially', nodes_count
    print 'Erasing nodes and relations'

    # fix: do not delete the root
    my_batch.append_cypher('match (n) where id(n) <> 0 delete n ;')
    my_batch.submit()
 
    my_batch = neo4j.ReadBatch(graph_db)
    my_batch.append_cypher('match (n) return count(n);')
    result = my_batch.submit()

        'MATCH (r) WHERE id(r) = 0 SET r = {};'
    )
    my_batch.submit()
 
    my_batch = neo4j.WriteBatch(graph_db)
    my_batch.append_cypher('match (e:Root) set e:Node;')
    my_batch.append_cypher('match (e:Root) set e.uuid="root";')
    my_batch.submit()

    write_batch.append_cypher('MATCH ()-[r]-() DELETE r')
    write_batch.append_cypher('MATCH n DELETE n')
    write_batch.submit()
    write_batch.clear()
 

    # Configures the Root node
    write_batch.append_cypher('CREATE (n:Root {uuid: "root"}) RETURN id(n)')
    root_result = write_batch.submit()
    write_batch.clear()
 

    batch = neo4j.WriteBatch(graph_db)
    batch.append_cypher('CREATE INDEX ON :Node(uuid)')
    batch.submit()
 
    print 'Graph populated successfully!'

    )
    write_batch.append_cypher(query)
    write_batch.submit()
 
    # Create nodes

    )
    write_batch.append_cypher(query)
    write_batch.submit()
 
    # Create Website __has__ ContentSource relations

    my_batch.append_cypher('create index on :Node(uuid)')
    my_batch.append_cypher('create index on :ContentSource(link)')
    my_batch.submit()
 
    print 'Graph populated successfully!'