def instate(self, statespec, callback=None, *args, **kw):
        ret = self.tk.getboolean(
                self.tk.call(self._w, "instate", ' '.join(statespec)))
        if ret and callback:
            return callback(*args, **kw)

        return ret
Accepts a dictionary of metadata key/value pairs and updates the
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Widget.instate--crossover with--dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/ContainerManager.set_account_metadata