Unchaining Web apps using ‪Django‬ in ‪Python‬ during the workshop of CommitUniversity, with the participation of ‪Vangjel Stavro‬.

1. Web Apps in Python

2. Who is this guy?
- Vangjel Stavro
- MEng Computer Science / Software Engineering
- 4 years professional application development
- Team Leader of 6
- Founded Stavro Consulting in 2015

3. Outline
1. Full stack
2. Databases
3. Python
4. Web Frameworks
5. Django
6. Client
7. The Web App

4. Full-stack Web Development
Client
Server
Database
HTML / CSS / JS
Python
PostgreSQL / SQLite

5. Database
- SQLite
- Good for development
- PostgreSQL
- Great for production
- Open source
- Cross platform
- Legendary reliability and stability

6. Server
- Python + Framework
- Set of common functionalities
- Python Framework
- Django
- Flask
- Bottle
- Falcon

7. Python

8. Python
- High level, Interpreted
- Guido van Rossum, 1991
- Object oriented ?
- Encapsulation -
- Multiple inheritance +
- Functional
- Cross platform
- Ram is the only limit
- Easy to pick up

9. Python
- Lambda
nums = [1, 2, 3, 4, 5]
inc_nums = list(map(lambda x: x + 1, nums))
print inc_nums
[2, 3, 4, 5, 6]
- Multiple classes in a single file
- Limit to 4 - 5 classes

10. Web Frameworks

11. Web Frameworks
- Active Community
- Learning Curve
- Prototyping
- ORM
- Core Libraries
- Software Pattern
- Scalable
- Modular
- Secure

14. - Active Community
- Major version increment in 4-5 months
- Learning Curve / Prototyping
- Fast transition from concept to completion
- ORM
- Flexible ORM with automatic migrations
- Software Pattern
- Enforced MVC pattern
Django

15. - Scalable
- “Shared-nothing” architecture - hardware at any level
- Modular
- Single project can container multiple apps
- Secure
- XSS
- CSRF
- SQL Injection
- Clickjacking
- SSL/HTTPS
Django

16. Client
- Powerful templating language
- REST
- HTML / CSS / JS
- Javascript Frameworks
- Android / iOS

17. The Web App
- Model
- Template
- Routing
- Form

18. Questions

19. Thank You!