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.
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