I have some trouble with the py2neo find and find_one (http://py2neo.org/2.0/essentials.html) What I want in Cypher is: MATCH (p:Person) WHERE p.name='Alice' AND p.age=22 RETURN p Say, where th...

I understand the SelectField method in WTForms takes can argument choices which has the form... choices=[("value1", "display of value 1"), ("value2", "display of value 2")] I need to populate my...

I want to change the color of my nodes based on their properties: Say I have many "Person" nodes. And I want those who live in New York to be red and those who live in Los Angeles to be blue. How ...

I've been trying to figure out a way to adapt the merge_one functionality from py2neo v2 to v3. I read in a Google group that "The merge_one method no longer exists in v3 as you should be able to u...

Getting results on a pandas dataframe from a cypher query on a Neo4j database with py2neo is really straightforward, as: >>> from pandas import DataFrame >>> DataFrame(graph.data...

I'm using two docker containers on one host machine. The first one is based on ordinary neo4j:2.3 image with some forwarded ports (7474). The second one is python:2.7-based container. Using curl I ...

I am trying to create a huge database in neo4j which will have around 2 million nodes and around 4 million edges. I have been able to speed up the node creation process by creating the node in the ...

My Neo4j database contains family tree relationships. I would like to extract that data in a nested JSON format like so: { "firstname":"Jon", "lastname":"Smith", "parents":[ { "firstname":"A...

I produce the following node and relationship data in a for loop about 1 million times. The idea is that investor nodes connect to company nodes by relationship edges: investor = {'name': owner['n...

I am working on migration of data from postgres to Graph Database manually. I have wrote script below: import psycopg2 from py2neo import authenticate, Graph authenticate("localhost:7474", "neo4...

I've noticed that with neo4j v3.0 there are now 3 competing drivers: py2neo neo4j-rest-client neo4j's own (bolt) driver It seems that the first and third and developed by the same person, with ...

I have experimented with ways to upload medium-size data sets using py2neo. In my case, there are about 80 K nodes and 400 K edges that need to be loaded every day. I want to share my experience, a...

Is there a way to iterate through every node in a neo4j database using py2neo? My first thought was iterating through GraphDatabaseService, but that didn't work. If there isn't a way to do it with...

I am finding Neo4j slow to add nodes and relationships/arcs/edges when using the REST API via py2neo for Python. I understand that this is due to each REST API call executing as a single self-conta...

I am using py2neo to load JSON data into Neo4j as chyper statements. My problem is that sometimes there are signs as “ ‘ \ etc in the strings I want to import as properties to Nodes: MERGE (p:Nod...

I wrote the following python code to neo4j using py2neo from py2neo import Graph from py2neo import neo4j,Node,Relationship sgraph = Graph() alice = Node("person",name="alice") bob = Node("pe...

I execute a long running (5 mintues) Cypher query with py2neo 2.0: graph.cypher.run(query) or result = graph.cypher.execute(query) The query fails after ~60 sec with a Socket Error from httpstrea...

I am trying to find a workaround to the following problem. I have seen it quasi-described in this SO question, yet not really answered. The following code fails, starting with a fresh graph: fro...

this is more of a best-practices question. I am implementing a search back-end for highly structured data that, in essence, consists of ontologies, terms, and a complex set of mappings between them...

I am just getting started with Neo4j and py2neo. I am experimenting with the batch feature available in py2neo for bulk data loading of a neo4j database. At a basic level, I want to create two no...

I have a flask app that uses neo4j for some data. Everything runs fine locally when I use the python server, but when I deploy on nginx+uwsgi, I can no longer execute cypher queries in py2neo. I ca...