Hi Paul, You should return value from 'clean_document'. >From your code I see you do not do that. When method returns nothing it is None. That is why you see 'This field cannot be blank.'
I hope that make sense. Regards, Constantine C. On Fri, Sep 29, 2017 at 7:01 AM, Paul <[email protected]> wrote: > I want to do file validation(size,type) on a field on inlineformset. > > > class ProductDocumentModelForm(ModelForm): > > class Meta: model = ProductDocument > fields = ['document'] > > def clean_document(self): > file = self.cleaned_data['document'] > validate_file(file, 'document') > > > > Because I want to use the same validation in multiple application I > created a separate function. > > > def validate_file(file, for_model, max_size=5000): > if for_model == 'document': > max_size = FILE_MAX_DOC_SIZE > > if file.size > max_size: > raise ValidationError('Please keep file size under {}. Current file size is > {}' .format(filesizeformat(FILE_MAX_DOC_SIZE), filesizeformat(file.size))) > > > > The file size validation works as intended but introduce a strange > behavior. > > > If this validation is in place and is passed the "This field cannot be > blank." default validation is triggered even if the fields are not empty. > > > Without the file size validation in place there are no issue even if the > fields are empty. > > > I don't understand what is the cause. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/django-users/a470e4e3-3cb9-489e-930c-8adc6b6210c3%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/a470e4e3-3cb9-489e-930c-8adc6b6210c3%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- Sincerely yours, Constantine C -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAK52boWRk%3DScciWGskkmg%2BuWOMzPrtxzBccu2ZyHxrGKKn5ioA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
