Add utils.ver_cmp() builtin

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/vmihailenco/msgpack/v5 v5.3.5
 	go.elara.ws/logger v0.0.0-20230421022458-e80700db2090
 	go.elara.ws/pcre v0.0.0-20230421030233-daf2d2e6973f
+	go.elara.ws/vercmp v0.0.0-20230622214216-0b2b067575c4
 	go.etcd.io/bbolt v1.3.7
 	go.starlark.net v0.0.0-20230525235612-a134d8f9ddca
 	golang.org/x/crypto v0.9.0
@@ -38,6 +39,7 @@ require (
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
+	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 // indirect
 	golang.org/x/net v0.10.0 // indirect
 	golang.org/x/sys v0.8.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect

go.sum

@@ -124,6 +124,8 @@ go.elara.ws/logger v0.0.0-20230421022458-e80700db2090 h1:RVC8XvWo6Yw4HUshqx4TSzu
 go.elara.ws/logger v0.0.0-20230421022458-e80700db2090/go.mod h1:qng49owViqsW5Aey93lwBXONw20oGbJIoLVscB16mPM=
 go.elara.ws/pcre v0.0.0-20230421030233-daf2d2e6973f h1:ZwR0xvBeP5BHHv63fgfuwhZIj+Si5rp79WSDUE73ZVA=
 go.elara.ws/pcre v0.0.0-20230421030233-daf2d2e6973f/go.mod h1:EF48C6VnP4wBayzFGk6lXqbiLucH7EfiaYOgiiCe5k4=
+go.elara.ws/vercmp v0.0.0-20230622213404-1ef50f776de8 h1:Q4fiNpQH1qOlPUVt/cVoW3VtIvOe+jo7mFTX0Sor7O4=
+go.elara.ws/vercmp v0.0.0-20230622213404-1ef50f776de8/go.mod h1:/7PNW7nFnDR5W7UXZVc04gdVLR/wBNgkm33KgIz0OBk=
 go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ=
 go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 go.starlark.net v0.0.0-20230525235612-a134d8f9ddca h1:VdD38733bfYv5tUZwEIskMM93VanwNIi5bIKnDrJdEY=
@@ -137,6 +139,8 @@ golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU
 golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
 golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 h1:k/i9J1pBpvlfR+9QsetwPyERsqu1GIbi967PQMq3Ivc=
+golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=

internal/builtins/reader.go

@@ -34,7 +34,7 @@ func newStarlarkReader(r io.Reader) starlarkReader {
 		"read_all":          starlark.NewBuiltin("reader.read_all", sr.readAll),
 		"read_all_string":   starlark.NewBuiltin("reader.read_all_string", sr.readAllString),
 		"read_json":         starlark.NewBuiltin("reader.read_json", sr.readJSON),
-		"read_msgpack":      starlark.NewBuiltin("read_msgpack", sr.readMsgpack),
+		"read_msgpack":      starlark.NewBuiltin("reader.read_msgpack", sr.readMsgpack),
 		"close":             starlark.NewBuiltin("reader.close", sr.closeReader),
 	})
 

internal/builtins/register.go

@@ -43,5 +43,6 @@ func Register(sd starlark.StringDict, opts *Options) {
 	sd["updater"] = updaterModule(opts.Config)
 	sd["log"] = logModule(opts.Name)
 	sd["json"] = starlarkjson.Module
+	sd["utils"] = utilsModule
 	sd["register_webhook"] = registerWebhook(opts.Mux, opts.Config, opts.Name)
 }

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
+}