Neo4j Live Session on Python & Flask

1. Roni Das
Cyber Security
neo4j With Python

2. Agenda
❏ Hello!
❏ Setting up the environment
❏ Simple demo with Python
❏ Setting up one simple Flask
Application
❏ Demo with Flask
❏ Q&A
❏ Goodbye!
2

3. 01
Roni Das
Cyber Security,EY Germany
3
https://www.linkedin.com/in/roni-das-08b3b866:
Youtube playlist on Neo4j &
Python:https://www.youtube.com/watch?v=uZqGKg0ad
7k

4. Setting up the environmnent:
• Setup neo4j sandox from https://neo4j.com/sandbox/
• Install neo4j driver
• Python is required
• Any IDE , we will use vs code & jupyter notebook
• pip install neo4j
• https://neo4j.com/docs/api/python-driver/current/

6. Simple Demo With Python
• Connect and get results from neo4j graphdb with Python
driver

7. Simple Demo With Python
• Create new node

8. Simple Demo With Python
• Update a node by adding new property

9. Simple Demo With Python
• Add relationship between nodes

10. SimpleFlaskApplication
SampleGrpah

11. Flask Application To
Display Complete Graph
Json Response will be
displayed in Html
• Flask
• Jinja template
• How to display json response from cypher

12. Results

13. dynamic query with
user input

14. Use parameterized cypher query from
python ,user input is used as parameter

15. Find relationship using parameterized
query

16. Results

17. Thank you!