def requireLocale(self, value):
        if self._locales is None:
            self._locales = list()
            l = self._application.getLocale()
            self._locales.append(str(l))
            self._pendingLocalesIndex = 0

        if str(value) not in self._locales:
            self._locales.append(str(value))
Queues a locale to be sent to the client (browser) for date and
dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/gwt/server/abstract_communication_manager.py/AbstractCommunicationManager.requireLocale