def form_valid(self, form):
# This implementation is an amalgamation of
# * django.views.generic.edit.ModelFormMixin#form_valid
# * django.views.generic.edit.FormMixin#form_valid
# trigger signal for extra form validations
try:
view_form_valid.send(sender=type(self),
view=self,
form=form,
request=self.request)
except ValidationError:
return self.form_invalid(form)
is_new = (not self.object.pk)
self.save_form(form)
if is_new:
object_created.send(sender=type(self.object),
object=self.object,
request=self.request)
object_saved.send(sender=type(self.object),
object=self.object,
request=self.request)
self._add_create_or_change_message(self.request,
self.object,
is_new=is_new)
return HttpResponseRedirect(self.get_success_url())
def save_form_parts(self, form):
# trigger signal for extra form validations
try:
view_form_valid.send(sender=type(self), view=self, form=form, request=self.request)
except ValidationError:
return self.form_invalid(form)
is_new = (not self.object.pk)
form_parts = self.get_form_parts(self.object)
for form_part in form_parts:
retval = form_part.form_valid(form)
if retval is not None: # Allow a form part to change the identity of the object
self.object = retval
for form_part in form_parts:
form_part.object = self.object
if is_new:
object_created.send(sender=type(self.object), object=self.object, request=self.request)
object_saved.send(sender=type(self.object), object=self.object, request=self.request)
self._add_create_or_change_message(self.request, self.object, is_new)
if self.request.GET.get("redirect") and not self.request.POST.get("__next"):
return HttpResponseRedirect(self.request.GET.get("redirect"))
if hasattr(self, "get_success_url"):
return HttpResponseRedirect(self.get_success_url())
if is_new:
return HttpResponseRedirect(get_model_url(self.object, shop=self.request.shop))
else:
return HttpResponseRedirect(self.request.path)