flamusdiu/flask-neo4j

Flask extension providing integration with the Neo4j graph database.

Flask-Neo4j

A Flask extension that provides simple interaction with the Neo4j graph database.

These capabilities are made possible by the fine library: py2neo

Installation

Using pip:

pip install flask-neo4j

Usage

Typical usage looks like this:

from flask import Flask
from flask.ext.neo4j import Neo4j
from py2neo import Node,Relationship

# Configuration
GRAPH_DATABASE='http://localhost:7474/db/data/'

app = Flask(__name__)
app.config.from_object(__name__)
graph_indexes = {'Species': Node}
flask4j = Neo4j(app, graph_indexes).gdb
print flask4j.neo4j_version
nosferatu = Node('species',full_name='Dracula nosferatu',species_name='nosferatu')
genus = Node('genus',name='Dracula')
nosferatu_memberof_genus = Relationship(nosferatu,'Member-of',genus)
flask4j.create(nosferatu_memberof_genus)



# which all results in a graph that looks like:
#  (species)-[:MEMBER_OF]->(genus)

Links

• py2neo documentation