Web development django
                     
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 
 
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.
Why Django ?
• Tight Integration between Components
• Object-Relational Mapper (ORM) 
• Automatic Administration Interface Multi-Lingual Support
Introduction to Django framework.
There are following frameworks in Python.
• Django
• CherryPy
• pylons
• Flask
• Bottle
• Pyramid
• Cubic Web
• GAE framework
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.
 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.
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.
 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.
    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.
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
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
•  this command will create a project named "djangoProject" in 
your folder.
• and here is your first django project.
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
• cd HomeProject
• Create app of our project
– python manage.py startapp myapp
–  code .
–  it will open the project  in coding app in your system.
Application Register
• create a folder named "Templates" in Application.
• After creating Templates create a new file named 
"home.html".
• After creating a file make their view in views.py.
• create a url for http response.
•  Then run your project using this commands
• Open new terminal
– python manage.py runserver
– follow the link.
And here is your project
Creating a webApp
• Creating navbar of webapp
• Code for navbar
• Adding data in web app using django models
– Create a model in floder named “models.py”
• Model Migrations
– Open new terminal and execute the following commands
– Python manage.py makemigrations
• - python manage.py migrate
Model Registration
• Open a folder named “admin.py” in application
– Import the created Model in admin.py.
– Register the model
• Import the model in views.py
• Adding content using cards
• Defined code for image & card
Cards
• Adding content
• Footer for webapp
• Creating footer for project
Admin-panel in Django
• Creating admin panel of webapp
– Open new terminal and follow the given commands
– Python manage.py createsuperuser
Admin panel
• Added data in panel
• Adding dynamic data to web using MVT architecture.
• Creating template for Page
• Create html file in folder named “Templates” in application
– And follow the code
• Creating a view for template
– Click to python file named views.py
– And create the view for template
• Getting URL for specific created http response(view)
– Click to python file named Urls.py
– Add views from application
– And give a path
Static
• Adding Static files in web app
– Click to settings.py and follow the defined code 
• Then move to urls.py and follow the steps for static image
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