text: """Translation related utilities."""
  import gettext
  import os
  from pathlib import Path
  
  __all__ = [
      "gettext",
      "set_trans_from_env",
      "_i18n",
      "_",
  ]
  
  _translations = dict()
  
  
  def set_trans_from_env():
      """Set locale from env.QUERY_STRING (if available, defaults to english)."""
      from weldx_widgets.kisa.save import get_param_from_env
  
      lang = get_param_from_env("LANG", default="en")
      os.environ["LANG"] = lang
      get_trans(lang)
  
  
  def get_trans(lang_="en") -> gettext.GNUTranslations:
      """Get translation object for given lang string."""
      trans = _translations.get(lang_)
      if not trans:
          # Set up message catalog access
          if lang_ not in ("en", "de"):
              raise ValueError(f"Unsupported language: {lang_}")
  
          base_dir = Path(__file__).parent / "locale"
          if not base_dir.exists() and base_dir.is_dir():
              raise RuntimeError("could not set locale dir (non-existent or not a dir).")
  
          trans = gettext.translation("base", localedir=str(base_dir), languages=[lang_])
          _translations[lang_] = trans
  
      assert trans
      return trans
  
  
  def _i18n(message: str) -> str:
      """Translate given message. Uses os.environ['LANG'] as target language."""
      lang = os.environ.get("LANG", "en")[:2]
      if lang.startswith("C"):
          lang = "en"
      trans_ = get_trans(lang)
      if not trans_:
          return message
  
      return trans_.gettext(message)
  
  
  _ = _i18n  # alias
  