Why clean is not called in FormView after post? - django

Question

There is my view:
class SendTransfer(SingleObjectMixin, FormView):
model = BankAccount
form_class = SendTransferForm
template_name = 'dashboard/send_transfer.html'
def dispatch(self, request, *args, **kwargs):
self.object = self.get_object()
return super(SendTransfer, self).dispatch(request, *args, **kwargs)
def get_object(self, queryset=None):
obj = super(SendTransfer, self).get_object(queryset)
if not obj.is_owner(self.request.user.citizen):
raise Http404
return obj
def form_valid(self, form):
data = form.cleaned_data
MoneyTransfer.objects.create(sender=self.object,
receiver=data['receiver'], # ModelChoiceField in the form
total=data['total'], # FloatField in the form, etc.
when=timezone.localtime(timezone.now()),
comment=data['comment'])
return redirect('AccountDetail', self.object.pk)
def form_invalid(self, form):
return render(self.request, self.template_name, self.get_context_data())
def get_form_kwargs(self):
return {'sender': BankAccount.objects.get(id=self.kwargs['pk']), 'user': self.request.user}
when form is submitting - I'm getting the same result as after get. Debugger says that clean() is not called but form_invalid is works. What is the problem?

Answer 1

You have overridden get_form_kwargs, and now you are no longer passing data to the form. Without data, the form is unbound, so will never be valid.
It would be better to call super() first, update the kwargs, then return them.
def get_form_kwargs(self):
kwargs = super(SendTransfer, self).get_form_kwargs()
kwargs['sender'] = BankAccount.objects.get(id=self.kwargs['pk']),
kwargs['user'] = self.request.user
return kwargs