Django Mass Assignment

good-forms.py

from django import forms

from myapp.models import Whatzit

class WhatzitForm(forms.ModelForm):
    class Meta(object):
        model = Whatzit
        fields = ('foo', 'bar', 'baz')

no-no-no.py

from django.shortcuts import render
from myapp.models import Whatzit

def create_whatzit(request):
    Whatzit.objects.create(**request.POST)
    return render(request, 'created.html')

def update_whatzit(request, id):
    whatzit = Whatzit.objects.filter(pk=id)
    whatzit.update(**request.POST)
    whatzit.save()
    return render(request, 'saved.html')

ok-forms.py

from django import forms

from myapp.models import Whatzit

class WhatzitForm(forms.ModelForm):
    class Meta(object):
        model = Whatzit

using-form.py

from django.shortcuts import render

from myapp.forms import WhatzitForm

def create_whatzit(request):
    form = WhatzitForm(form.POST or None)
    if 'POST' == request.method and form.is_valid():
         w = form.save()
         return render(request, 'created.html', {'whatzit': w})
    return render(request, 'create.html', {'form': form})