Django ModelForm is_valid & form_valid

Basically, I have a model, a ModelForm, and an UpdateView. I go to the UpdateView (viewing a current customer) and just hit the submit button (changing no data). What results is an error from the model: Cannot assign None: "Customer.store" does not allow null values. (I do not have a field on the template for setting store, this should be handled and set to the users actie store) This error sounds like it is from the model being saved, which would mean that the form was valid (right?) Well I have tried using things like if form.is_valid() and def form_valid(self, form): but neither of those blocks of code ever execute. Out of desperation, I overrode the post method on the view, and made a form object, and passed it the instance and data. The page still returns the same error about Customer.store does not allow null values, But if form.is_valid() is in the error traceback.

Any help would be amazing!


models.py
class Customer(models.Model):

# Some fields that are not relevent

store = models.ForeignKey(Store, blank=True)

forms.py

class CustomerInformationForm(forms.ModelForm):

class Meta:

model = Customer

                 

views.py

class CustomerInformationView(UpdateView): 

template_name = "customers/customer_information.html 

model = Customer 

form_class = CustomerInformationForm

    

def form_valid(self, form): 

customer = form.save(commit=False)

customer.store = self.request.user.active_profile.store

customer.save() 

return super(CustomerInformationView, self).save(form)

        

def get_object(self, *args, **kwargs):

return Customer.objects.get(number=self.kwargs.get('customer_number'))  

Environment:

Request Method: POST

Django Version: 1.5.1

Python Version: 2.7.5

Installed Applications:

('django.contrib.auth',

 'django.contrib.contenttypes',

 'django.contrib.sessions',

 'django.contrib.sites',

 'django.contrib.messages',

 'django.contrib.staticfiles',

 'django.contrib.admin',

 'mercury.core',

 'mercury.stores',

 'mercury.customers',

 'mercury.profiles',

 'django.contrib.admin',

 'south',

 'debug_toolbar')

Installed Middleware:

('django.contrib.sessions.middleware.SessionMiddleware',

 'django.middleware.locale.LocaleMiddleware',

 'django.middleware.common.CommonMiddleware',

 'django.middleware.csrf.CsrfViewMiddleware',

 'django.contrib.auth.middleware.AuthenticationMiddleware',

 'django.contrib.messages.middleware.MessageMiddleware',

 'debug_toolbar.middleware.DebugToolbarMiddleware',

 'mercury.profiles.middleware.ActiveProfileMiddleware')

Traceback:

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response

  115.                         response = callback(request, *callback_args, **callback_kwargs)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/views/generic/base.py" in view

  68.             return self.dispatch(request, *args, **kwargs)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/views/generic/base.py" in dispatch

  86.         return handler(request, *args, **kwargs)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/views/generic/edit.py" in post

  222.         return super(BaseUpdateView, self).post(request, *args, **kwargs)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/views/generic/edit.py" in post

  164.         if form.is_valid():

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/forms/forms.py" in is_valid

  126.         return self.is_bound and not bool(self.errors)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/forms/forms.py" in _get_errors

  117.             self.full_clean()

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/forms/forms.py" in full_clean

  274.         self._post_clean()

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/forms/models.py" in _post_clean

  315.         self.instance = construct_instance(self, self.instance, opts.fields, opts.exclude)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/forms/models.py" in construct_instance

  52.             f.save_form_data(instance, cleaned_data[f.name])

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/db/models/fields/__init__.py" in save_form_data

  466.         setattr(instance, self.name, data)

File "/Users/jacobvalenta/.virtualenvs/mercury/lib/python2.7/site-packages/django/db/models/fields/related.py" in __set__

  401.                                 (instance._meta.object_name, self.field.name))

Exception Type: ValueError at /customers/1

Exception Value: Cannot assign None: "Customer.store" does not allow null values.

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