metadata.py 文件源码

def iterate_starting_with(self, index):
        """Iterate objects whose index starts with given index"""
        self.skip_to_index(index)
        if self.at_end: return
        while 1:
            next_pos = self.get_next_pos()
            try: obj = self.record_to_object(self.buf[:next_pos])
            except (ParsingError, ValueError), e:
                log.Log("Error parsing metadata file: %s" % (e,), 2)
            else:
                if obj.index[:len(index)] != index: break
                yield obj
            if self.at_end: break
            self.buf = self.buf[next_pos:]
        assert not self.fileobj.close()