def clean_email(self):
        if RegistrationProfile.objects(
            email__iexact=self.cleaned_data['email']):
            raise forms.ValidationError(
                _(u'This email address is already in use. '
                    u'Please supply a different email address.'))
        return self.cleaned_data['email']
Returns True if the admin specified in the request represents a .admin
dataset/ETHPy150Open lig/django-registration-me/registration/forms.py/RegistrationFormUniqueEmail.clean_email--crossover with--dataset/ETHPy150Open openstack/swauth/swauth/middleware.py/Swauth.is_account_admin