NeoDjango¶

Integrating your Django project with the all features of Neo4j.

Why Django?¶

https://www.djangoproject.com/start/overview/

http://blog.teamtreehouse.com/choose-django

Why Neo4j?¶

http://neo4j.com/top-ten-reasons/

http://www.infoq.com/articles/full-stack-web-development-using-neo4j

Contents:

The PRIMARY AUTHORS are:

Renan Palmeira <renanpalmeira1@hotmail.com>

Getting Started¶

Installation¶

Install NeoDjango with your favorite Python package manager:

$ pip install neodjango
Downloaded and run Neo4j
- http://neo4j.com/download/
- http://neo4j.com/docs/stable/server-installation.html

Configuration¶

Once you’ve installed neodjango and configure your Django project for connect to Neo4j.

Database Setup

An example settings.py:

INSTALLED_APPS = (
    # other apps
    "neodjango",
)

NEO4J_DATABASES = {
        'default' : {
                'HOST':'localhost',
                'PORT':7474,
                'ENDPOINT':'/db/data'
        }
}

Nodes¶

Model¶

Writing nodes.py

from neodjango.db import models

class Label(models.Model):

class Meta:

display = “name”

Querying¶

Retrieving all objects

>>> Label.objects.all()
[<Node#id: property>, <Node#id: property>, <Node#id: property>, <Node#id: property>]

Retrieving specific objects with filters

>>> Label.objects.filter(name='Guido')
[<Node#id: property>,]

Retrieving a single object with get

>>> Label.objects.get(name='Lawrence')
<Node#id: property>

>>> Label.objects.get(id=42)
<Node#id: property>

Retrieving all relationships of objects

>>> Label.objects.get(name='Ken Thompson').relationships()

>>> Label.objects.get(name='Emil Eifrem').Created()