## forms.py ##
class IndexForm(forms.Form):
    def __init__(self, *args, **kwargs):
        short = kwargs.pop('short')
        super(IndexForm, self).__init__(*args, **kwargs)

    origin = forms.CharField(label='Url', required=True)
    type = forms.ChoiceField(choices=(('Simple', 'simple'), ('Extra', 'extra')),
                             label='Type for your shortcut')

## views.py ##
class IndexView(FormView):
    template_name = 'cutter/index.html'

    form_class = IndexForm
    success_url = '/'

    def form_valid(self, form):
        short = self.create_link(form.cleaned_data)
        redirect('cutter:index', args=(short,))

## index.html ##
...
<div>{{ short }}</div>