'Process form'

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

    if self.instance:
        if self.is_valid():
            if self.cleaned_data['delete']:
                if (self.cleaned_data['delete'] == 'delete'):
                    self.instance.delete()
                if (self.cleaned_data['delete'] == 'trash'):
                    self.instance.trash = True
                    self.instance.save()
