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# Django Cheatsheet

## Unique Features

- Model-View-Controller (MVC) architecture
- Object-Relational Mapping (ORM)
- Automatic admin interface
- URL routing
- Template system
- Django Rest Framework

## Models

Define a model

class ModelName(models.Model):

field_name = models.FieldType()

Create a migration

python manage.py makemigrations

Apply migrations

python manage.py migrate

## Views

Define a view

def view_name(request):

# View body

return HttpResponse("Response")

URL routing

path('url/', views.view_name, name='view_name'),

## Templates

<!-- Template syntax -->

{% for item in items %}

{{ item.attribute }}

{% endfor %}

## Forms

Define a form

class FormName(forms.Form):

field_name = forms.FieldType()

Render a form

def view_name(request):

form = FormName()

return render(request, 'template.html', {'form': form})

Handle form submission

def view_name(request):

form = FormName(request.POST)

if form.is_valid():

# Form handling code

## Authentication

User registration

def register(request):

if request.method == 'POST':

form = UserCreationForm(request.POST)

if form.is_valid():

form.save()

return redirect('login')

else:

form = UserCreationForm()

return render(request, 'registration/register.html', {'form': form})

User login

def login(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:

auth_login(request, user)

return redirect('home')

else:

messages.error(request, 'Invalid username or password')

return render(request, 'registration/login.html')

User logout

def logout(request):

auth_logout(request)

return redirect('login')

## Resources

- [Django Documentation](https://docs.djangoproject.com/)
- [Django Girls Tutorial](https://tutorial.djangogirls.org/)
- [Django for Beginners](https://djangoforbeginners.com/)