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translate.go
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translate.go
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package main
import (
"context"
"errors"
"flag"
"fmt"
"os"
"path/filepath"
"slices"
"strings"
"sync"
"github.com/fatih/color"
"github.com/google/generative-ai-go/genai"
"github.com/panjf2000/ants/v2"
"google.golang.org/api/option"
)
const Threads = 3 // >3 may cause "resource exhausted"
var lang_str string
var filter_str string
var RES_DIR string
var wg sync.WaitGroup
var pool *ants.Pool
var nameMap = map[string]string{
`de`: `German`,
`es`: `Spanish`,
`fr`: `French`,
`gal`: `Galician`,
`ja`: `Japanese`,
`pt-rBR`: `Brazilian Portuguese`,
`ru`: `Russian`,
`uk`: `Ukrainian`,
`zh`: `Chinese`,
}
var langs []string // [de, es, fr, ...]
func init() {
for key := range nameMap {
langs = append(langs, key)
}
cwd, _ := os.Getwd()
RES_DIR = cwd + "/../app/src/main/res"
flag.StringVar(&lang_str, "lang", "", fmt.Sprintf("Required, available languages: %v", langs))
flag.StringVar(&filter_str, "filter", "", "")
wg = sync.WaitGroup{}
pool, _ = ants.NewPool(Threads)
}
func check_param() []string {
if len(lang_str) == 0 {
panic("must specify language")
}
var languages []string
if lang_str == "all" {
languages = langs
} else {
languages = strings.Split(lang_str, ",")
}
for _, lang := range languages {
if !slices.Contains(langs, lang) {
panic("language " + lang + " not supported yet")
}
}
return languages
}
func usage() {
flag.Usage()
}
func check(e error) {
if e != nil {
panic(e)
}
}
func read_file(fn string) string {
s, err := os.ReadFile(fn)
if err != nil {
return ""
}
return string(s)
}
func write_file(fn string, data string) error {
return os.WriteFile(fn, []byte(data), 0666)
}
func translate_1_file(lang string, fn string) error {
src_file := fmt.Sprintf("%s/values/%s", RES_DIR, fn)
dest_file := fmt.Sprintf("%s/values-%s/%s", RES_DIR, lang, fn)
fmt.Printf("processing: %s -> %s\n", filepath.Base(src_file), lang)
to_translate := read_file(src_file)
to_translate = strings.ReplaceAll(to_translate, `\'`, `'`)
to_translate = strings.ReplaceAll(to_translate, `\"`, `"`)
GeminiToken := os.Getenv("GeminiToken")
prompt := fmt.Sprintf(
"Translate the following xml content to language \"%s\"(\"%s\"), it's about a call blocking app which blocks spam calls. "+
"For the word 'number', it always references to phone number. "+
"For the word 'spam', it always references to spam calls, it's never about email."+
"Make sure leave the XML tags unmodified, do not translate text within <no_translate></no_translate> tag. "+
"For the origin text that are just 1 or 2 or 3 words, find all possible translation alternatives, "+
"then pick the shortest one, as short as possible, use single word translation if possible."+
"For contents that wrapped in tag <short></short>, force use single word translation."+
"show me the result only:\n"+
"%s",
lang, nameMap[lang], to_translate)
ctx := context.Background()
client, err := genai.NewClient(ctx, option.WithAPIKey(GeminiToken))
check(err)
defer client.Close()
model := client.GenerativeModel("gemini-pro")
// max is 8192 for gemini-pro v1.0 (8192 by default)
// but actually it's only 2048...
// model.SetMaxOutputTokens(8192)
resp, err := model.GenerateContent(ctx, genai.Text(prompt))
check(err)
fmt.Println(" - ",
"TotalTokenCount", resp.UsageMetadata.TotalTokenCount,
"PromptTokenCount", resp.UsageMetadata.PromptTokenCount,
"CandidatesTokenCount", resp.UsageMetadata.CandidatesTokenCount,
)
fmt.Println()
if resp.UsageMetadata.CandidatesTokenCount >= 2048 {
panic("CandidatesTokenCount reached 2048, preferably < 1800, split the xml")
}
sb := &strings.Builder{}
for _, c := range resp.Candidates {
if c.Content == nil {
fmt.Println(c)
return errors.New("no c.Content returned")
}
for _, p := range c.Content.Parts {
fmt.Fprintf(sb, "%v", p)
}
}
// French has lots of '
cleared := strings.ReplaceAll(sb.String(), "'", "\\'")
if !strings.HasPrefix(cleared, "<resources>") {
return Retryable(errors.New("malformed result"))
}
write_file(dest_file, cleared)
return nil
}
func translate_lang(lang string) {
path := RES_DIR + "/values-" + lang
if filter_str == "" {
fmt.Printf("clearing: %s\n\n", path)
os.RemoveAll(path)
os.Mkdir(path, os.ModePerm)
}
filepath.Walk(
RES_DIR+"/values",
func(path string, fi os.FileInfo, err error) error {
if err != nil {
return err
}
if fi.IsDir() || !strings.HasPrefix(fi.Name(), "strings_") {
return nil
}
if strings.Contains(fi.Name(), "no_translate") {
return nil
}
if filter_str != "" {
if !strings.Contains(fi.Name(), filter_str) {
return nil
}
}
wg.Add(1)
pool.Submit(func() {
e := Retry(5, func(attempt int) error {
err := translate_1_file(lang, fi.Name())
if IsRetryable(err) {
color.HiWhite("retry %s", color.HiYellowString(fi.Name()))
}
if err == nil {
color.HiWhite("done %s %s", lang, color.HiGreenString(fi.Name()))
}
return err
})
if e != nil {
color.HiWhite("translate %s failed", color.HiRedString(fi.Name()))
}
wg.Done()
})
return nil
})
}
func main() {
flag.Parse()
languages := check_param()
for _, lang := range languages {
translate_lang(lang)
}
wg.Wait()
}