I want to provide my forms with nicer feedback using CSS. I'm already doing it but it's just a clean code matter. I have many ModelForms and I want all of them to behave in the same way, so I thought there should be a way to avoid duplicating code for validation.
I have created a new class which overrides ModelForm
class ModelFormCSS(forms.ModelForm):
def is_valid(self):
# run the parent validation first
valid = super(-->ParentModelForm<--, self).is_valid()
if not valid:
for f_name in self.errors:
classes = self.fields[f_name].widget.attrs.get('class', '')
if not "errors" in classes:
classes += ' errors'
self.fields[f_name].widget.attrs['class'] = classes
return valid
# all good
return True
My problem lies in runing the parent validation since I don't know how to get the parent form... isn't there any way to get it from self?
You've misunderstood how inheritance works in Python. In a super method, you must always call the current class:
valid = super(ModelFormCSS, self).is_valid()
本文收集自互联网，转载请注明来源。
如有侵权，请联系[email protected] 删除。
我来说两句