CODEWITHSUNDEEP
python-3.xneo4jpy2neo
Pranshu Sehgal
Pranshu Sehgal

Reputation: 21

Unable to connect py2neo v3 with neo4j 3.4.1

I have been trying to connect to my local neo4j server using py2neo v3 and neo4j version 3.4.1.

The commands I used are:-

from py2neo import Graph, Node, Relationship

graphURL='http://localhost:7474/db/data/'
graphUser = "neo4j"
graphPassphrase = "XXXX"

graph=Graph(graphURL, user=graphUser, password=graphPassphrase)

I receive the following errors on trying to use this code.

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-20-ab3844caf22c> in <module>()
      3 graphPassphrase = "XXXX"
      4 
----> 5 graph=Graph(graphURL, user=graphUser, password=graphPassphrase)

~\Anaconda3\lib\site-packages\py2neo\graph.py in __new__(cls, *uris, **settings)
    333     def __new__(cls, *uris, **settings):
    334         database = settings.pop("database", "data")
--> 335         graph_service = GraphService(*uris, **settings)
    336         address = graph_service.address
    337         if database in graph_service:

~\Anaconda3\lib\site-packages\py2neo\graph.py in __new__(cls, *uris, **settings)
     77         from py2neo.addressing import register_graph_service, get_graph_service_auth
     78         from py2neo.http import register_http_driver
---> 79         from neo4j.v1 import GraphDatabase
     80         register_http_driver()
     81         address = register_graph_service(*uris, **settings)

~\Anaconda3\lib\site-packages\neo4j\v1\__init__.py in <module>()
     20 
     21 from .api import *
---> 22 from .bolt import *
     23 from .security import *
     24 from .types import *

~\Anaconda3\lib\site-packages\neo4j\v1\bolt.py in <module>()
     30 from .security import SecurityPlan, Unauthorized
     31 from .summary import ResultSummary
---> 32 from .types import Record
     33 
     34 

~\Anaconda3\lib\site-packages\neo4j\v1\types\__init__.py in <module>()
     31 from operator import xor as xor_operator
     32 
---> 33 from neo4j.packstream import Structure
     34 from neo4j.compat import map_type, string, integer, ustr
     35 

~\Anaconda3\lib\site-packages\neo4j\packstream\__init__.py in <module>()
     20 
     21 
---> 22 from neo4j.util import import_best as _import_best
     23 
     24 from .structure import Structure

ImportError: cannot import name 'import_best'

I have tried using the handbook https://py2neo.org/v3/database.html?highlight=relation for v3 but it was of no use for my problem. Could you please help me with this issue.

Upvotes: 2

Views: 858

Answers (1)

logisima
logisima

Reputation: 7458

The driver support the BOLT and HTTP proctole, but it seems here that you want to use the HTTP one, and the driver is trying to instantiate the BOLT ...

I recommend you to use BOLT, so your code should be : 

from py2neo import Graph, Node, Relationship

graphHost='localhost'
graphUser = "neo4j"
graphPassphrase = "XXXX"

graph=Graph(bolt=true, host=graphHost, user=graphUser, password=graphPassphrase)

If you really want to use the http : 

  graph=Graph(bolt=false, host=graphHost, user=graphUser, password=graphPassphrase)

Upvotes: 1

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