Introduction to Frappé Framework, a full-stack web application framework in Python + JS + Node + Redis + MariaDB that is used to build ERPNext

1. Frappé Framework
Rushabh Mehta
Founder, Frappé Technologies Pvt Ltd
Linux Users Group Meeting
Mumbai

2. What is Frappé?
Full stack web framework

3. • Web App Framework (based on Werkzeug)
• MVC + ORM (object relational mapper)
• Sessions, Users, Roles, Permissions, Caching
• Rich, scriptable admin UI (Javascript)
• UI driven form and model builder
• Routing and templating (Jinja)
• Async and realtime (Node + socketio)
• Background workers (Python RQ)
• Multi-Tenant production deployment (supervisor, Nginx, Redis)
• Extensible architecture (pluggable apps)

4. Traction
• 70+ contributors
• 600+ stars on GitHub
• 5,000+ clones in a month
• 10,000 + commits
• 3000+ deployments
• 6000+ members on the forum
• 100+ apps
• 300+ service providers
Showcased: https://github.com/showcases/web-application-frameworks

5. Why
• Build an ERP System
• Small team (core team 4)
• 200+ tables
• Single deployments + Scalable cloud
• Extensible architecture (for customisations)

6. Features

7. Admin UI: Desktop

8. List View

9. Form Views

10. Gantt Views

11. Calendar View

12. Kanban Views

13. Modules and Notifications

14. Universal Search

15. Email documents

16. File Attachments

17. Print Views

18. Web Views

19. Reports

20. Metadata Modeling

21. Model Fields

22. Role based Permissions

23. Documentation Generator

24. Tree Views and Nested Sets

25. def add_customer(name, group):
c = frappe.new_doc(“Customer”)
c.customer_name = name
c.customer_group = group
c.insert()
def get_most_valued_customer(since):
return frappe.get_all(“Sales Invoice”,
filters = {“transaction_date”: (“>”, since)},
fields = [“customer”, “sum(grand_total) as total_income”],
group_by = “customer”,
order_by = “total_income desc”, limit = 1)[0].customer
Scripting API

26. Extensible Apps

27. Translation Portal

28. Community Forum (ERPNext)

29. Also includes…
• REST API
• Bootstrap based responsive UI
• Workflows, Alerts
• XSS Filtering
• Database migrations (schema sync)
• Update tool (update and deployment tool)
• Package Manager
• Test Framework
• Ansible based deploy scripts
• Web Sockets
frappe.publish_realtime(‘event’, ‘message’)

30. Why use Frappé
• Internal apps
• Admin tools
• Monitoring / MIS tools
• Portals
• Business Apps

31. “Batteries Included”