def filter_opened(self, exclude=True):
        self.loggit.debug('Filtering open indices')
        self.empty_list_check()
        for index in self.working_list():
            condition = self.index_info[index]['state'] == 'open'
            self.loggit.debug('Index {0} state: {1}'.format(
                    index, self.index_info[index]['state']
                )
            )
            self.__excludify(condition, exclude, index)
Filter out opened indices from `indices`
dataset/ETHPy150Open elastic/curator/curator/indexlist.py/IndexList.filter_opened