Django proposal: bind Form late

def contact(request):
    form = FlexiForm(ContactForm, kwargs={'prefix': 'something-%s' % (some_id,), 'label_suffix': ': ',})
    if request.method == 'POST':
        form.bind(request.POST)  # substitutes internal ContactForm() with ContactForm(request.POST)
        if form.is_valid():
           pass
    else:
        pass  # Form already instantiated!

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