Python Assignment help using Django framework

Updated: Aug 15, 2019


Python Assignment help using Django framework

What is Python Django Framework?


Django is Python Framework which is used to create web development project . It’s quick & easy to get up and running with Django. Python is the buzzword that is making the rounds in the IT universe with the easy learning curve, application development being quicker and faster, added benefit of machine learning aided opportunities and what not.


History of Python Django Framework


Django was created in the fall of 2003, developed by Lowrence Journal. It was released publicly under a BSD license in July 2005. In June 2008, it was announced that a newly formed Django Software Foundation(DSF).



Why Django is important in Python Assignment Help?


With Django, you can take Web applications from concept to launch in a matter of hours. Django takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel. It’s free and open source.



What official definition say about Django:

Django was invented to meet fast-moving newsroom deadlines, while satisfying the tough requirements of experienced Web developers.

A web framework or a library is one that helps make the developer’s life easy with the whole process of development.


With that context, let us go through the following Python frameworks and understand what they have to offer and why one should opt to work with these frameworks.


Key features of Django


Ridiculously fast: Django was designed to help developers take applications from concept to completion as quickly as possible.


Fully loaded: Django includes lots of extras you can use to handle common Web development tasks. Django takes care of user authentication, content administration, site maps, RSS feeds, and many more tasks — right out of the box.


Reassuringly secure: Django takes security seriously and helps developers avoid many common security mistakes, such as SQL injection, cross-site scripting, cross-site request forgery and clickjacking. Its user authentication system provides a secure way to manage user accounts and passwords.


Exceedingly scalable: Some of the busiest sites on the planet use Django’s ability to quickly and flexibly scale to meet the heaviest traffic demands.


Incredibly versatile: Companies, organizations and governments have used Django to build all sorts of things — from content management systems to social networks to scientific computing platforms.


MVT Support: Django is a MVT(Model, view and template) model


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Let's see more about Django Coding and Programming flavour.


Why learn Django?


Before learn any technology first it is important that why we learn it. Django has many reason to learn it because it is the python framework, python is a powerful language now a day it covers all the areas like Data Science and AI. It is this easy to migrate to any programming language.


Features of Django with Python Programming


  • Documentation: Most of developer and companies preferred the Django framework because it provides a structured documentation than the other framework in the market. Documentation make easy to understand and learn about any technologies so if documentation is easy and organized then it make easy to maintain any web application.


  • High scalability: Scalability means that at what scope or level, our technology gets to implement. For bigger websites like Instagram, there are lots of active users (millions of them) which generate data in huge amounts (terabytes of data/day).


  • Versatile: Django is versatile in nature because it provides us with a solid foundation which can then be used to make whichever application we want to create. It allows extending Django with all the technologies we work with and also with the upcoming ones. Therefore, Django is the future of web development and everyone who was previously using PHP will majorly use Django


  • Secure: Django is highly secure than the other framework because it covers the loopholes by default. Although while using Django you may not feel it but those expert backend developers can tell the quality and security of the work done by Django.


  • Provide rapid development: Django provide rapid development facility than the other. Here, rapid development means that we won’t need expert backend knowledge to make a fully functional website. We will also not create separate server files to design the database and connect the same while also making another file for transferring data to and from the server.

Django Model -MVT


This is the modification of MVC architecture although Django core architecture is based on MVC but in MVT implementing some variation of MVC architecture.


MVT Architecture components


MVT architecture divided into three components

Model


Model contains logical file structure of projects. It contains all class related to modes and it the middleware of View and Templates. It provides a definition of how data information as coming from the View.


Creating Django Model


First create an app using previous command and then open models.py file:

from django.db import models

class MyModelName(models.Model):

# Fields

           field_name = models.CharField(max_length=20, help_text='Enter field documentation')

...

# Metadata

class Meta:

       ordering = ['-field_name']


In next we read what is view and how it work.

View


The View in MTV architecture can look like the controller, but it’s not. The View in this MTV architecture is formatting the data via the model. In turn, it communicates to the database and that data which transfer to the template for viewing.


There are two types of view which used to develop any web application:

  • Class based views

  • Function based views

Templates


Templates is the life of developer to developer front end of the any web applications it contains the all information related to static files like media, css, javascript and HTML files.

Python Frameworks


In python three types of frameworks which used by most of developer

  • Django

  • Flask

  • Pyramid

Django is a set of all of these libraries and lots of different things too so you could mainly concentrate on precisely what your application does rather of other boiler plate things such as these.


Before start the Django framework first install it, Here some steps to install Django framework in our PC.


Installation


Installation in Windows:

  • First go to the start menu on and click on run, type cmd.

  • And then enter

Install using pip:


Write this command on cmd command prompt

>pip install django==2.2


After installation setup path at which you want setup projects by using cd command as:


C:\Users\naveen kumar\cd paste here new path


For example:


To start new project:


Paste it by using cd command at command prompt

>django-admin startproject myproject


Where myproject is your project name depend upon your choice.


Create application inside myproject:


open Pycharm and paste our project path as per given screenshot:


Click ok button and wait for loading file:


If already old project here than open it in new window if popup is show.



Now you are ready to start the new Django App run this command on cmd:


>C:\Users\naveen kumar\nawproject\djangoproject\myproject>python manage.py startapp HelloworldApp


Here HelloworldApp is your app name.


Run before setting username


>Python manage.py migrate


Set Username password for Admin panel : BY past this in command prompt


>Python manage.py createsuperuser


Starting server: Go to the command prompt and run this to start server


>Python manage.py runserver


Now your server is running provide the url copy and past it on your browser.

Your our Installation process is finish. In next blog we will discussing how to make a project by using django.

For more details click here...


To understand it here we explain complete small app by using pycharm-

Example


"HellowordApp"


Structure of this-

To start this first we see the basic structure of this app



Workflow with coding


For Windows User


>django-admin startproject HelloWordApp


Go to the projectname directory then run this to create and app


>python manage.py startapp helloworld

Running the Test Server


>python manage.py runserver


Next we will do complete coding part step by step.


First open setting.py file which located at HelloWordApp project folder, add app name at last of INSTALLED_APPS part.


setting.py:

INSTALLED_APPS = [

'django.contrib.admin',

'django.contrib.auth',

'django.contrib.contenttypes',

'django.contrib.sessions',

'django.contrib.messages',

'django.contrib.staticfiles',

'helloworld'

]

In above code bold part is appname. Now we go to the view.py which exist at project app folder helloworld.

view.py:

#from django.shortcuts import render

from django.http import HttpResponse

def Hello(request):

    return HttpResponse("Hello")

Now go to the urls.py and set urls path.

urls.py:

from django.contrib import admin

from django.urls import path

#from helloworld.views import Index

from helloworld.views import Hello

urlpatterns = [

path('admin/', admin.site.urls),

#path('helloworld/',Index),

path('helloworld/',Hello)

]


After this you can run from terminal or cmd by using running below command


>python manage.py runserver


And you will find url like this and open it on browsers and run.

Django version 2.2.1, using settings 'HelloWordApp.settings' Starting development server at http://127.0.0.1:8000/ Quit the server with CTRL-BREAK. Not Found: /

Now you find output window after running this url with app name as a path like 


http://127.0.0.1:8000/helloworld


Output


Oh ! it is running properly.


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