code: def get_translations(self):
          
          ctx = _request_ctx_stack.top
          if ctx is None:
              return NullTranslations()
  
          locale = get_locale()
  
          cache = self.get_translations_cache(ctx)
  
          translations = cache.get(str(locale))
  
          if translations is None:
              translations = self._get_translation_for_locale(locale)
              cache[str(locale)] = translations
  
          return translations
docs: Return the correct gettext translations for a request.
  
          This will never fail and return a dummy translation object if used
          outside of the request or if a translation cannot be found.