def get_object(self):
        queryset = self.get_queryset()
        queryset = self.filter_queryset(queryset)
        pk = self.kwargs.get("pk")
        try:
            uuid = UUIDField().to_internal_value(data=pk)
            obj = Sources.objects.get(source_uuid=uuid)
            if obj:
                return obj
        except (ValidationError, Sources.DoesNotExist):
            pass

        try:
            int(pk)
            obj = get_object_or_404(queryset, **{"pk": pk})
            self.check_object_permissions(self.request, obj)
        except ValueError:
            raise Http404

        return obj 

def test_should_uuid_convert_string():
    if hasattr(serializers, "UUIDField"):
        assert_conversion(serializers.UUIDField, graphene.String) 

def make_string_validator(cls, settings: ParamSettings):
        if settings.regex:
            return serializers.RegexField(
                settings.regex,
                default=settings.default,
                max_length=settings.max_length,
                min_length=settings.min_length,
            )

        if settings.format is None:
            return serializers.CharField(
                default=settings.default,
                max_length=settings.max_length,
                min_length=settings.min_length,
                trim_whitespace=settings.trim_whitespace,
            )

        if settings.format == "email":
            return serializers.EmailField(
                default=settings.default,
                max_length=settings.max_length,
                min_length=settings.min_length,
            )

        if settings.format == "slug":
            return serializers.SlugField(
                default=settings.default,
                max_length=settings.max_length,
                min_length=settings.min_length,
            )

        if settings.format == "url":
            return serializers.URLField(
                default=settings.default,
                max_length=settings.max_length,
                min_length=settings.min_length,
            )

        if settings.format == "uuid":
            return serializers.UUIDField(default=settings.default)

        if settings.format == "file_path":
            return serializers.FilePathField(
                default=settings.default,
                path=settings.path,
                match=settings.match,
                recursive=settings.recursive,
                allow_files=settings.allow_files,
                allow_folders=settings.allow_folders,
            )

        if settings.format == "ipv6":
            return serializers.IPAddressField(default=settings.default, protocol="IPv6")

        if settings.format == "ipv4":
            return serializers.IPAddressField(default=settings.default, protocol="IPv4")

        if settings.format == "ip":
            return serializers.IPAddressField(default=settings.default, protocol="both")