def __call__(self, form, field): exists = User.objects(email=field.data).first() if self._email_should_exist and not exists: raise ValidationError(self._message or u'Email not found.') if not self._email_should_exist and exists: raise ValidationError(self._message or u'Email exists.')
def get_user(self): return User.objects(email=self.email.data).first()