serializers.py 文件源码

def validate(self, attrs):
        alias = attrs.get(self.alias_type)

        if alias:
            # Create or authenticate a user
            # Return THem

            if api_settings.PASSWORDLESS_REGISTER_NEW_USERS is True:
                # If new aliases should register new users.
                user, created = User.objects.get_or_create(**{self.alias_type: alias})
            else:
                # If new aliases should not register new users.
                try:
                    user = User.objects.get(**{self.alias_type: alias})
                except User.DoesNotExist:
                    user = None

            if user:
                if not user.is_active:
                    # If valid, return attrs so we can create a token in our logic controller
                    msg = _('User account is disabled.')
                    raise serializers.ValidationError(msg)
            else:
                msg = _('No account is associated with this alias.')
                raise serializers.ValidationError(msg)
        else:
            msg = _('Missing %s.') % self.alias_type
            raise serializers.ValidationError(msg)

        attrs['user'] = user
        return attrs