Introduction to Django Authentication

Django comes with a built-in authentication system that allows you to manage user accounts and permissions. In this tutorial, we will explore how to use Django's authentication system.

Step 1: Create a User Model

Django provides a built-in User model that you can use to create user accounts. To create a custom user model, create a new model in models.py:

from django.contrib.auth.models import AbstractUser

class CustomUser(AbstractUser):
    email = models.EmailField(unique=True)

Step 2: Create a User Form

Create a form to create new users in forms.py:

from django import forms
from .models import CustomUser

class UserForm(forms.ModelForm):
    class Meta:
        model = CustomUser
        fields = ('username', 'email', 'password')

Step 3: Create Views for User Registration and Login

Create views to handle user registration and login in views.py:

from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login
from .forms import UserForm

def register(request):
    if request.method == 'POST':
        form = UserForm(request.POST)
        if form.is_valid():
            user = form.save()
            login(request, user)
            return redirect('home')
    else:
        form = UserForm()
    return render(request, 'register.html', {'form': form})

def login_view(request):
    if request.method == 'POST':
        username = request.POST['username']
        password = request.POST['password']
        user = authenticate(request, username=username, password=password)
        if user is not None:
            login(request, user)
            return redirect('home')
    return render(request, 'login.html')

Step 4: Add URL Patterns for User Registration and Login

Add URL patterns to urls.py:

from django.urls import path
from . import views

django.urls.path('register/', views.register, name='register')
django.urls.path('login/', views.login_view, name='login')