CarteBlanche Permissions CodeMentor Office Hours Webinar

Django is one of the most popular Python frameworks and prototyping fast is one of the most important validation steps in creating a new web product. So pairing those two facets, technologist Eric Neuman created Carte-Blanche, an open-source tool for making things FAST.

Eric Neuman is the co-founder of DecisionDesk, and the creator of OneMonth's Python Course.

Transcript

1. Eric Neuman CodeMentor Office Hours CarteBlanche Permissions Framework
2. Who The Heck Is This Guy
3. Who The Heck Is This Guy • Technical Founder at DecisionDesk • One Month Python Teacher • Wrote Code For NASA • Virtual Reality / AI Researcher • Doesn’t Even See The Code Anymore….
4. Who The Heck Is This Guy twitter: @eric_neuman www.theneuman.com
5. Ghosts Of Technical Debt Past
6. Ghosts Of Technical Debt Past • DecisionDesk Had 5 Permissions Levels ◦ Student ◦ Reviewer ◦ Admin ◦ Staff ◦ Superuser • Tons of Cruft ◦ Model Layer ◦ View Layer ◦ Template Layer
7. Traditional Model
8. Traditional Model • Built In Django Permissions ◦ Model Based • Django Guardian ◦ Group Based ◦ Lacks a Single Source Of Truth ◦ Requires Extra Code
9. Real World Problems
10. Real World Problems • Many Levels Of Permissions • Repeated Code Is Fragile ◦ Updates Mean Touching Lots Of Critical Logic • Ever Changing Permissions ◦ Subject To Whims Of ▪ Customers ▪ Owners ▪ Managers • Engineering Conceptual Drift
11. CarteBlanche “A Menuing System Of Absolute Power”
12. Philosophies / Goals
13. Philosophies / Goals • Single Source Of Truth • Map Tightly To Thought ◦ Customer ◦ Owner ◦ Coder • Updates Propagate For Easy Changes • DRY
14. Philosophies / Goals • Smallest Views Possible ◦ View Per Action • Extend MVC • As Close To Plain English As Possible
15. Features
16. Features • Top Level Verb Object • Dynamically Generated Menus • Dynamic Access To Views • Plain English Denial Messages • Support For Model-less Actions • Potential For Non-Django Adapters
17. Inheritance
18. Multiple Inheritance
19. Mixins
20. In Case You Missed It twitter: @eric_neuman www.theneuman.com