Python-сообщество

class MyForm(forms.ModelForm):
    password1 = forms.CharField(widget=forms.PasswordInput())
    password2 = forms.CharField(widget=forms.PasswordInput())
    
    def clean(self):
        if 'password1' in self.cleaned_data and 'password2' in self.cleaned_data:
            if self.cleaned_data['password1'] != self.cleaned_data['password2']:
                raise forms.ValidationError(_(u'Пароли не совпадают.'))
        return self.cleaned_data

In [72]: f = MyForm({'password1':'qqqq','password2':'qqq',})

In [73]: f.errors
Out[73]: {'__all__': [u'You must type the same password each time']}