Django Class Based View for both Create and Update

Question

Say I want to create a Class Based View which both updates and creates an object. From a previous question I worked out I

Answer 1

In case you don't need to raise 404 and want all fields to be blank if the object doesn't exists, create object when first saving and updating when it exists you can use this.

views.py

from django.views.generic import UpdateView


class CreateUpdateView(UpdateView):
    model = MyModel
    form_class = MyModelForm

    def get_object(self, queryset=None):
        return self.model.objects.filter(...).first()

forms.py

class MyModelForm(forms.ModelForm):

    class Meta:
        model = MyModel
        fields = [...]