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Python Django Project – Online Voting System

TechVidvan Team
django online voting system project

The Online Voting System is a web-based application developed using Django, a Python web framework. It aims to provide a secure and efficient platform for conducting electronic voting processes. This system allows registered users to vote for candidates and view real-time voting results.

About Python Django Online Voting System

The Online Voting System utilises Django’s capabilities to offer a robust solution for managing elections. It includes features such as user registration, candidate listing, voting, and result display.

Objectives of Python Django Online Voting System

Project Setup

Required Libraries

The project requires the following Python libraries:

Technology Stack

Prerequisites for Python Django Online Voting System

Download the Python Django Online Voting System Project

Please download the source code of the Python Django Online Voting System Project: Python Django Online Voting System Project Code.

Step-by-Step Code Implementation of Python Django Online Voting System

1. Project Initialisation

django-admin startproject VotingSystem
cd VotingSystem
python manage.py startapp vote

2. Setting Up Models

from django.db import models
from django.contrib.auth.models import User


class Candidate(models.Model):
   name = models.CharField(max_length=100)
   party = models.CharField(max_length=100)
   bio = models.TextField()


   def __str__(self):
       return self.name


class Vote(models.Model):
   user = models.ForeignKey(User, on_delete=models.CASCADE)
   candidate = models.ForeignKey(Candidate, on_delete=models.CASCADE)
   timestamp = models.DateTimeField(auto_now_add=True)


   def __str__(self):
       return f"{self.user.username} voted for {self.candidate.name}"

3. Making Migrations

python3 manage.py makemigrations 
python3 manage.py migrate

4. Defining Views

from django.shortcuts import render, redirect
from django.contrib.auth import login, authenticate
from django.contrib.auth.decorators import login_required
from .forms import UserRegisterForm, VoteForm
from .models import Candidate, Vote


def home(request):
   return render(request, 'vote/home.html')


def register(request):
   if request.method == 'POST':
       form = UserRegisterForm(request.POST)
       if form.is_valid():
           form.save()
           username = form.cleaned_data.get('username')
           password = form.cleaned_data.get('password1')
           user = authenticate(username=username, password=password)
           login(request, user)
           return redirect('vote')
   else:
       form = UserRegisterForm()
   return render(request, 'vote/register.html', {'form': form})


@login_required
def vote(request):
   if request.method == 'POST':
       form = VoteForm(request.POST)
       if form.is_valid():
           vote = form.save(commit=False)
           vote.user = request.user
           vote.save()
           return redirect('results')
   else:
       form = VoteForm()
   candidates = Candidate.objects.all()
   return render(request, 'vote/vote.html', {'form': form, 'candidates': candidates})


def vote_list(request):
   candidates = Candidate.objects.all()
   return render(request, 'vote/vote_list.html', {'candidates': candidates})


@login_required
def results(request):
   candidates = Candidate.objects.all()
   votes = Vote.objects.all()
   vote_count = {candidate: votes.filter(candidate=candidate).count() for candidate in candidates}
   return render(request, 'vote/results.html', {'vote_count': vote_count})

5. Setting URLs

from django.urls import path
from . import views


urlpatterns = [
   path('', views.home, name='home'),  # Home page view
   path('register/', views.register, name='register'),
   path('vote/', views.vote, name='vote'),
   path('results/', views.results, name='results'),
]

6. Creating Templates

base.html:-

<!DOCTYPE html>
<html>
<head>
   <title>{% block title %}Voting System{% endblock %}</title>
   {% load static %}
   <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
   <link href="{% static 'vote/style.css' %}" rel="stylesheet">
</head>
<body>
   <nav class="navbar navbar-expand-lg navbar-custom fixed-top">
       <a class="navbar-brand" href="{% url 'home' %}">TechVidvan-Voting System</a>
       <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
           <span class="navbar-toggler-icon"></span>
       </button>
       <div class="collapse navbar-collapse" id="navbarNav">
           <ul class="navbar-nav mr-auto">
               <li class="nav-item">
                   <a class="nav-link" href="{% url 'register' %}">Register</a>
               </li>
               <li class="nav-item">
                   <a class="nav-link" href="{% url 'vote' %}">Vote</a>
               </li>
               <li class="nav-item">
                   <a class="nav-link" href="{% url 'results' %}">Results</a>
               </li>
           </ul>
       </div>
   </nav>
   <div class="container">
       {% block content %}{% endblock %}
   </div>
   {% block footer %}{% endblock %}
   <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
   <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.5.4/dist/umd/popper.min.js"></script>
   <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>

register.html:-

<{% extends "vote/base.html" %}


{% block title %}Register - Online Voting System{% endblock %}


{% block content %}
<h2>Register</h2>
<form method="post" class="mt-3">
   {% csrf_token %}
   <div class="form-group">
       {{ form.as_p }}
   </div>
   <button type="submit" class="btn btn-success">Register</button>
</form>
{% endblock %}

vote_list.html:-

<!DOCTYPE html>
<html>
<head>
   <title>Voting List</title>
</head>
<body>
   <h1>Voting List</h1>
   <ul>
       {% for candidate in candidates %}
           <li>{{ candidate.name }} - {{ candidate.party }}</li>
       {% empty %}
           <li>No candidates available.</li>
       {% endfor %}
   </ul>
</body>
</html>

vote.html:-

{% extends "vote/base.html" %}


{% block title %}Vote - Online Voting System{% endblock %}


{% block content %}
<h2>Vote</h2>
<form method="post" class="mt-3">
   {% csrf_token %}
   <div class="form-group">
       {{ form.as_p }}
   </div>
   <button type="submit" class="btn btn-primary">Submit Vote</button>
</form>
{% endblock %}

Python Django Online Voting System Output

1. Application Interface

2. Register

3. Voting Page

4. Candidate Selection

5. Results

Conclusion

The Online Voting System project demonstrates the effective use of Django for developing a secure and scalable voting platform. It provides a solid foundation for further enhancements, such as advanced result analytics, multi-level user roles, and improved security measures. This report outlines the key steps and components involved in creating a functional online voting system, making it suitable for deployment in various voting scenarios.

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