Web development django

2. Web framework What is a Web Framework? A web framework is a server-side application framework , that is designed to support the development of * dynamic websites * web applications * web services and * resources

3. More about web Framework A Python web framework is a code library, • that makes the life of a web application developer much easier • • for building flexible, scalable and maintainable web applications. • A web development framework is a set of resources and tools for software developers to build and manage web applications, web services and websites.

4. Why Django ? • Tight Integration between Components • Object-Relational Mapper (ORM) • Automatic Administration Interface Multi-Lingual Support

5. Introduction to Django framework. There are following frameworks in Python. Django • CherryPy • pylons • Flask • Bottle • Pyramid • Cubic Web • GAE framework •

6. What is Django Framework ? • Django is basically a high-level Python web application framework that enables the rapid development of web applications. • It achieves so with pragmatic, much cleaner design in comparison of other frameworks. • Django takes care of the difficult stuff so that you can concentrate on building your web applications.

7. MVT Pattern • How does Django Work? Django follows the MVT design pattern (Model View Template). • • MVT stands for Model – View – Template. • MVT architecture is the software design pattern used by the Django web framework.

8. Model • In Django, the data is delivered as an Object Relational Mapping (ORM) • which is a technique designed to make it easier to work with databases. • Django, with ORM, makes it easier to communicate with the database, without having to write complex SQL statements.

9. View • A view is a function or method that takes • http requests as arguments • imports the relevant model(s) • and finds out what data to send to the template • and returns the final result. • The views are usually located in a file called views.py.

10. Templates • A template is a file where you describe how the result should be represented. • Templates are often .html files, with HTML code describing the layout of a web page. but it can also be in other file formats to present other results, but here we will concentrate on .html files. • URLs • When a user requests a URL, Django decides which view it will send it to. • This is done in a file called urls.py.

11. Installation • Django can be easily install using python's package manager. • before installation of django you must have python and pip. • first open the terminal and execute the following commands for installation. • pip install django

12. Project • Create a project in django • open the terminal and navigate a folder in your system where you want to create a project. • Django-admin startproject djangoProject

13. this command will create a project named "djangoProject" in your folder. • • and here is your first django project.

14. Project • creating Home page using django framework. • open the terminal and navigate a folder in your system where you want to create a project. • django-admin startproject HomeProject

15. • cd HomeProject • Create app of our project – python manage.py startapp myapp – code . – it will open the project in coding app in your system.

16. Application Register

17. • create a folder named "Templates" in Application. • After creating Templates create a new file named "home.html".

18. • After creating a file make their view in views.py.

19. • create a url for http response.

20. • Then run your project using this commands • Open new terminal – python manage.py runserver – follow the link.

21. And here is your project

22. Creating a webApp

23. • Creating navbar of webapp

24. • Code for navbar

25. • Adding data in web app using django models – Create a model in floder named “models.py”

26. • Model Migrations – Open new terminal and execute the following commands – Python manage.py makemigrations

27. • - python manage.py migrate

28. Model Registration • Open a folder named “admin.py” in application – Import the created Model in admin.py.

29. – Register the model

30. • Import the model in views.py

31. • Adding content using cards

32. • Defined code for image & card

33. Cards

34. • Adding content

35. • Footer for webapp

36. • Creating footer for project

37. Admin-panel in Django • Creating admin panel of webapp – Open new terminal and follow the given commands – Python manage.py createsuperuser

38. Admin panel

39. • Added data in panel

40. • Adding dynamic data to web using MVT architecture.

41. • Creating template for Page

42. • Create html file in folder named “Templates” in application – And follow the code

43. • Creating a view for template – Click to python file named views.py – And create the view for template

44. • Getting URL for specific created http response(view) – Click to python file named Urls.py – Add views from application – And give a path

45. Static • Adding Static files in web app – Click to settings.py and follow the defined code

46. • Then move to urls.py and follow the steps for static image

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