83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
import os
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import json
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import gettext
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from openpilot.common.params import Params
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from openpilot.common.basedir import BASEDIR
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from openpilot.common.swaglog import cloudlog
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SYSTEM_UI_DIR = os.path.join(BASEDIR, "system", "ui")
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UI_DIR = os.path.join(BASEDIR, "selfdrive", "ui")
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TRANSLATIONS_DIR = os.path.join(UI_DIR, "translations")
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LANGUAGES_FILE = os.path.join(TRANSLATIONS_DIR, "languages.json")
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UNIFONT_LANGUAGES = [
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"ar",
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"th",
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"zh-CHT",
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"zh-CHS",
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"ko",
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"ja",
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]
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class Multilang:
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def __init__(self):
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self._params = Params()
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self._language: str = "en"
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self.languages = {}
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self.codes = {}
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self._translation: gettext.NullTranslations | gettext.GNUTranslations = gettext.NullTranslations()
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self._load_languages()
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@property
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def language(self) -> str:
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return self._language
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def requires_unifont(self) -> bool:
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"""Certain languages require unifont to render their glyphs."""
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return self._language in UNIFONT_LANGUAGES
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def setup(self):
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try:
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with open(os.path.join(TRANSLATIONS_DIR, f'app_{self._language}.mo'), 'rb') as fh:
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translation = gettext.GNUTranslations(fh)
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translation.install()
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self._translation = translation
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cloudlog.warning(f"Loaded translations for language: {self._language}")
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except FileNotFoundError:
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cloudlog.error(f"No translation file found for language: {self._language}, using default.")
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gettext.install('app')
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self._translation = gettext.NullTranslations()
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def change_language(self, language_code: str) -> None:
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# Reinstall gettext with the selected language
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self._params.put("LanguageSetting", language_code)
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self._language = language_code
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self.setup()
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def tr(self, text: str) -> str:
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return self._translation.gettext(text)
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def trn(self, singular: str, plural: str, n: int) -> str:
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return self._translation.ngettext(singular, plural, n)
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def _load_languages(self):
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with open(LANGUAGES_FILE, encoding='utf-8') as f:
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self.languages = json.load(f)
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self.codes = {v: k for k, v in self.languages.items()}
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lang = str(self._params.get("LanguageSetting")).removeprefix("main_")
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if lang in self.codes:
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self._language = lang
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multilang = Multilang()
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multilang.setup()
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tr, trn = multilang.tr, multilang.trn
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# no-op marker for static strings translated later
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def tr_noop(s: str) -> str:
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return s
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