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add email verifier django app tutorial
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‎README.md

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@@ -229,6 +229,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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- [How to Build an Authentication System in Django](https://www.thepythoncode.com/article/authentication-system-in-django-python). ([code](web-programming/django-authentication))
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- [How to Make a Blog using Django in Python](https://www.thepythoncode.com/article/create-a-blog-using-django-in-python). ([code](https://github.com/chepkiruidorothy/simple-blog-site))
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- [How to Make a Todo App using Django in Python](https://www.thepythoncode.com/article/build-a-todo-app-with-django-in-python). ([code](https://github.com/chepkiruidorothy/todo-app-simple/tree/master))
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- [How to Build an Email Address Verifier App using Django in Python](https://www.thepythoncode.com/article/build-an-email-verifier-app-using-django-in-python). ([code](web-programming/webbased-emailverifier))
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- ### [GUI Programming](https://www.thepythoncode.com/topic/gui-programming)
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- [How to Make a Text Editor using Tkinter in Python](https://www.thepythoncode.com/article/text-editor-using-tkinter-python). ([code](gui-programming/text-editor))

‎web-programming/webbased-emailverifier/README.md

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# [How to Build an Email Address Verifier App using Django in Python](https://www.thepythoncode.com/article/build-an-email-verifier-app-using-django-in-python)

‎web-programming/webbased-emailverifier/db.sqlite3

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‎web-programming/webbased-emailverifier/manage.py

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#!/usr/bin/env python
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"""Django's command-line utility for administrative tasks."""
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import os
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import sys
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def main():
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"""Run administrative tasks."""
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webbased_emailverifier.settings')
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try:
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from django.core.management import execute_from_command_line
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except ImportError as exc:
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raise ImportError(
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"Couldn't import Django. Are you sure it's installed and "
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"available on your PYTHONPATH environment variable? Did you "
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"forget to activate a virtual environment?"
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) from exc
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execute_from_command_line(sys.argv)
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if __name__ == '__main__':
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main()

‎web-programming/webbased-emailverifier/requirements.txt

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django
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email-validator

‎web-programming/webbased-emailverifier/toto.todo

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$ python -m venv project
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$ .\project\Scripts\activate
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$ pip install -r requirements.txt
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$ django-admin startproject webbased_emailverifier
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$ cd webbased_emailverifier\
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$ python manage.py startapp verifier
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$ python manage.py runserver

‎web-programming/webbased-emailverifier/verifier/__init__.py

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‎web-programming/webbased-emailverifier/verifier/admin.py

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from django.contrib import admin
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# Register your models here.

‎web-programming/webbased-emailverifier/verifier/apps.py

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from django.apps import AppConfig
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class VerifierConfig(AppConfig):
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default_auto_field = 'django.db.models.BigAutoField'
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name = 'verifier'

‎web-programming/webbased-emailverifier/verifier/migrations/__init__.py

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‎web-programming/webbased-emailverifier/verifier/migrations/__pycache__/__init__.cpython-310.pyc

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‎web-programming/webbased-emailverifier/verifier/migrations/__pycache__/__init__.cpython-39.pyc

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‎web-programming/webbased-emailverifier/verifier/models.py

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from django.db import models
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# Create your models here.

‎web-programming/webbased-emailverifier/verifier/templates/verifier/base.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Web-based Email Verifier</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-Zenh87qX5JnK2Jl0vWa8Ck2rdkQ2Bzep5IDxbcnCeuOxjzrPF/et3URy9Bv1WTRi" crossorigin="anonymous">
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</head>
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<body style="background-color:rgb(248, 244, 244)">
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{% block content %}
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{% endblock %}
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-OERcA2EqjJCMA+/3y+gxIOqMEjwtxJY7qPCqsdltbNJuaOe923+mo//f6V8Qbsw3" crossorigin="anonymous"></script>
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</body>
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</html>

‎web-programming/webbased-emailverifier/verifier/templates/verifier/index.html

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<!-- extends is for inheriting from the base.html -->
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{% extends 'verifier/base.html' %}
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{% block content %}
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<div class="row justify-content-center my-5">
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<div class="col-md-5 mt-4">
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<div class="card">
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<h3 class="card-header">Email Verifier</h3>
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<div class="card-body">
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<form action="." method="POST">
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{% csrf_token %}
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<div class="input-group">
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<input type="text" required class="form-control" name="email-address" placeholder="Enter an email address to verify it">
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<div class="input-group-append">
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<button class="btn btn-primary fw-bold" type="submit">
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Verify
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</button>
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</div>
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</div>
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</form>
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<hr>
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{% if messages %}
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{% for message in messages %}
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{% if message.tags == 'success' %}
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<div class="alert alert-{{ message.tags }} alert-dismissible fade show" role="alert">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check-circle-fill" viewBox="0 0 16 16">
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<path d="M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zm-3.97-3.03a.75.75 0 0 0-1.08.022L7.477 9.417 5.384 7.323a.75.75 0 0 0-1.06 1.06L6.97 11.03a.75.75 0 0 0 1.079-.02l3.992-4.99a.75.75 0 0 0-.01-1.05z"/>
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</svg> {{ email }} is a valid email address!!!!!
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<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
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</div>
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{% elif message.tags == 'warning' %}
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<div class="alert alert-danger alert-dismissible fade show" role="alert">
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{{ email }}
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-exclamation-triangle-fill" viewBox="0 0 16 16">
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<path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z"/>
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</svg> {{ message }}
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<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
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</div>
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{% endif %}
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{% endfor %}
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{% endif %}
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</div>
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</div>
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</div>
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</div>
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</div>
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{% endblock %}

‎web-programming/webbased-emailverifier/verifier/tests.py

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from django.test import TestCase
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# Create your tests here.

‎web-programming/webbased-emailverifier/verifier/urls.py

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# from the current folder import views
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from . import views
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# importing path from django.urls
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from django.urls import path
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# this is the list of the app's views
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# if the app has several views then it will have several paths
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urlpatterns = [
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path('', views.index, name='home'),
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]

‎web-programming/webbased-emailverifier/verifier/views.py

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from django.shortcuts import render
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# this displays flash messages or notifications
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from django.contrib import messages
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# importing validate_email and EmailNotValidError
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from email_validator import validate_email, EmailNotValidError
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# Create your views here.
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def index(request):
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# checking if the method is POST
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if request.method == 'POST':
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# getting the email from the form input
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email = request.POST.get('email-address')
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# this is the context
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context = {
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'email': email
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}
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# the try statement for verify/validating the email
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try:
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# validating the actual email address using the validate_email function
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email_object = validate_email(email)
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# creating the message and storing it
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messages.success(request, f'{email} is a valid email address!!')
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# rendering the results to the index page
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return render(request, 'verifier/index.html', context)
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# the except statement will capture EmailNotValidError error
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except EmailNotValidError as e:
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# creating the message and storing it
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messages.warning(request, f'{e}')
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# rendering the error to the index page
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return render(request, 'verifier/index.html', context)
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# this will render when there is no request POST or after every POST request
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return render(request, 'verifier/index.html')

‎web-programming/webbased-emailverifier/webbased_emailverifier/__init__.py

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‎web-programming/webbased-emailverifier/webbased_emailverifier/asgi.py

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"""
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ASGI config for webbased_emailverifier project.
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It exposes the ASGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
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"""
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import os
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from django.core.asgi import get_asgi_application
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webbased_emailverifier.settings')
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application = get_asgi_application()

‎web-programming/webbased-emailverifier/webbased_emailverifier/settings.py

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"""
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Django settings for webbased_emailverifier project.
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Generated by 'django-admin startproject' using Django 4.1.2.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/4.1/ref/settings/
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"""
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from pathlib import Path
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# Build paths inside the project like this: BASE_DIR / 'subdir'.
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BASE_DIR = Path(__file__).resolve().parent.parent
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY = 'django-insecure-!whsb9fn*)d)zj(o78=y8y6=7^uh09!w&(_zfdo%wq$m%27+8h'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG = True
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ALLOWED_HOSTS = []
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# Application definition
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INSTALLED_APPS = [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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# the newly created application
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'verifier',
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]
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MIDDLEWARE = [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF = 'webbased_emailverifier.urls'
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TEMPLATES = [
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{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS': True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION = 'webbased_emailverifier.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': BASE_DIR / 'db.sqlite3',
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}
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}
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# Password validation
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# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS = [
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{
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'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/4.1/topics/i18n/
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LANGUAGE_CODE = 'en-us'
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TIME_ZONE = 'UTC'
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USE_I18N = True
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USE_TZ = True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/4.1/howto/static-files/
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STATIC_URL = 'static/'
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# Default primary key field type
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# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
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DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

‎web-programming/webbased-emailverifier/webbased_emailverifier/urls.py

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from django.contrib import admin
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from django.urls import path, include
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urlpatterns = [
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# this points to admin.site urls
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path('admin/', admin.site.urls),
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# this points to verifier urls
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path('', include('verifier.urls')),
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]

‎web-programming/webbased-emailverifier/webbased_emailverifier/wsgi.py

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"""
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WSGI config for webbased_emailverifier project.
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It exposes the WSGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/howto/deployment/wsgi/
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"""
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import os
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from django.core.wsgi import get_wsgi_application
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webbased_emailverifier.settings')
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application = get_wsgi_application()

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