| class KafkaBytes(bytearray): | |
| def __init__(self, size): | |
| super(KafkaBytes, self).__init__(size) | |
| self._idx = 0 | |
| def read(self, nbytes=None): | |
| if nbytes is None: | |
| nbytes = len(self) - self._idx | |
| start = self._idx | |
| self._idx += nbytes | |
| if self._idx > len(self): | |
| self._idx = len(self) | |
| return bytes(self[start:self._idx]) | |
| def write(self, data): | |
| start = self._idx | |
| self._idx += len(data) | |
| self[start:self._idx] = data | |
| def seek(self, idx): | |
| self._idx = idx | |
| def tell(self): | |
| return self._idx | |
| def __str__(self): | |
| return 'KafkaBytes(%d)' % len(self) | |
| def __repr__(self): | |
| return str(self) | |