def backup(self, output_file):
# force checkpoint
self._env.txn_checkpoint(0, 0, db.DB_FORCE)
logs = self._env.log_archive(db.DB_ARCH_LOG)
backfiles = [self.dir + 'porcupine.db', self.dir + 'porcupine.idx'] + \
[self.log_dir + log.decode() for log in logs]
# compact backup....
backup = BackupFile(output_file)
backup.add_files(backfiles)
def restore(self, bset):
self.__remove_files()
backup = BackupFile(bset)
backup.extract(self.dir, self.log_dir)
