first commit

internal/builtins/utils.go

@@ -0,0 +1,23 @@
+package builtins
+
+import (
+	"go.elara.ws/vercmp"
+	"go.starlark.net/starlark"
+	"go.starlark.net/starlarkstruct"
+)
+
+var utilsModule = &starlarkstruct.Module{
+	Name: "utils",
+	Members: starlark.StringDict{
+		"ver_cmp": starlark.NewBuiltin("utils.ver_cmp", utilsVerCmp),
+	},
+}
+
+func utilsVerCmp(thread *starlark.Thread, b *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
+	var v1, v2 string
+	err := starlark.UnpackArgs("utils.ver_cmp", args, kwargs, "v1", &v1, "v2", &v2)
+	if err != nil {
+		return nil, err
+	}
+	return starlark.MakeInt(vercmp.Compare(v1, v2)), nil
+}