Seven NoSQL Databases in a Week

Python

Now let's try using Neo4j with Python. If it wasn't installed before, make sure to install the (officially supported) Neo4j Python driver:

sudo pip install neo4j-driver 

Now we will write a simple Python script (named neo4jHelloWorld.py) to accomplish three tasks:

• Create a node representing the Python language entity
• Create an ACCESSED_FROM edge connecting Python with the Welcome message
• Query the Welcome message via the ACCESSED_FROM Python edge

We will start with our imports and our system arguments to handle hostname, username, and password from the command line:

from neo4j.v1 import GraphDatabase, basic_auth import sys 
 
hostname=sys.argv[1] 
username=sys.argv[2] 
password=sys.argv[3] 

Next, we will connect to our local Neo4j instance ...