neomodel is a python Object Graph Mapper (OGM) for the neo4j graph database.
neomodel is an Object Graph Mapper (OGM) for the neo4j graph database, built on the awesome neo4j_driver. It is written in python.
Questions tagged [neomodel]
97 questions
0
votes
1 answer
can't set relationship with neomodel in python
https://github.com/neo4j-contrib/neomodel/blob/5bc4213598233172526cd3c59fdfed5745a80130/doc/source/batch.rst#get_or_create
I'm running the following code:
class Dog(StructuredNode):
name = StringProperty(required=True)
owner =…
John Walker
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- 1
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0 answers
Dynamically create a class inherited from neomodel.StructuredNode
Python's library neomodel provides the ability to define a relationship with a class that hasn't been defined yet, by using its name as string, which works fine as follows:
from neomodel import StructuredNode, RelationshipTo
# if Foo is already…
Rami Ma
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1 answer
Getting - Can't install traversal 'has' exists on NodeSet, error when matching Node
I'm using Django with Neomodel and django_neomodel to connect to AuraDB and fetch data.
In my views I'm doing:
def homePage(request):
name = request.user.last_name + ', ' + request.user.first_name
my_person_node =…
Petar Popović
- 3
- 1
0
votes
1 answer
Errors during configuration of the neo4j django-neomodel
I'm trying to do a simple project in Django using the Neo4j database. I've installed a django-neomodel library, set the settings as follows:
import os
from neomodel import config
db_username = os.environ.get('NEO4J_USERNAME')
db_password =…
Sevy
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- 16
0
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0 answers
Writing complex query in neomodel
How to write complex queries involving search in multiple Node types.
for example following query returns ids of products usually bought together.
match (n:Product)-[:CONTAIN]-(:Order)-[:CONTAIN]-(p2:Product)
where ID(n)={product_id}
return ID(p2),…
Learner
- 81
- 1
- 5
0
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0 answers
Neomodel: specify neo4j database name in connection string
In the neomodel documentation it's possible to specify the neo4j connection string using the following statement:
from neomodel import config
config.DATABASE_URL = 'bolt://neo4j:neo4j@localhost:7687'
On neo4j 4.1, I am using multiple databases…
nolio
- 81
- 6
0
votes
1 answer
Unpacking List of Dicts for function *args
I am trying to unpack a list of dictionaries and use these as args for a function that creates nodes on a neo4j database based on these dictionaries. The error that occurs is ,that instead of using each dict for a new node, the function tries to…
Blob
- 1
0
votes
2 answers
django_neomodel fails to connect to a running database while neomodel works
I made these setting on settings.py, as directed on Getting Started:
NEOMODEL_NEO4J_BOLT_URL = os.environ.get('NEO4J_BOLT_URL', 'bolt://neo4j:password@localhost:7687')
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
…
HuLu ViCa
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- 93
0
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2 answers
django_neomodel can't find attribute MAX_POOL_SIZE
I am trying to set my first Django project using neo4j as database and neomodel as OGM, so I am following this directions. Nevertheless, when a try to start Django server, I get this error:
Exception in thread django-main-thread:
Traceback (most…
HuLu ViCa
- 5,077
- 10
- 43
- 93
0
votes
2 answers
neomodel unable to match record
i am using neomodel==4.0.1 on python 3.8
i have structurednode name store with integerproperty code when i search store with get method it is not able to find any match
StoreNodeDoesNotExist
----> 1…
Learner
- 81
- 1
- 5
0
votes
1 answer
Docker-compose: db connection from web container to neo4j container using bolt
I'm working on django project with neo4j db using neomodel and django-neomodel.
I'm trying to containerize it using docker-compose.
when I build the images everything seems fine, but any connection from web container to db using bolt is refused.…
alhassanha
- 1
- 1
0
votes
2 answers
Cannot access Neo4j container with Neomodel
I have 2 different containers running with docker-compose. Here is my docker-compose.yml:
version: '3'
services:
#Create backend container
backend:
build: ./backend # path to Dockerfile
ports: # Port binding to host from…
SDatta
- 5
- 1
0
votes
1 answer
Connecting to AWS PostgreSQL from Neomodel Django
I am trying to implement neomodel package in my Django code which is designed as a back-end service. The problem I am facing is that I already established a PostgreSQL connection from Django but I am facing difficulty in in using the same database…
Winston John Paiva
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1 answer
How to get all realtionships between two nodes using neomodel without using cypherquery()
I have a node class defined by -
class Person(StructuredNode):
attr = StringProperty(unique_index=True)
name = StringProperty(unique_index=True)
Provided that I have fetched two Person Nodesets using nodes.filter(), Is there a way to fetch…
NaN
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0
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0 answers
Django AttributeError: type object 'Book' has no attribute '_default_manager'
I created a simple Django Webapp using django-neomodel integration. When trying to create a new book, at "http://localhost:8000/book/new" and after submitting it, I see the error as shown in the traceback.
I have searched online, and in most of the…
