| # Copyright (c) Facebook, Inc. and its affiliates. | |
| # | |
| # This source code is licensed under the MIT license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| from . import BaseWrapperDataset | |
| class ListDataset(BaseWrapperDataset): | |
| def __init__(self, dataset, sizes=None): | |
| super().__init__(dataset) | |
| self._sizes = sizes | |
| def __iter__(self): | |
| for x in self.dataset: | |
| yield x | |
| def collater(self, samples): | |
| return samples | |
| def sizes(self): | |
| return self._sizes | |
| def num_tokens(self, index): | |
| return self.sizes[index] | |
| def size(self, index): | |
| return self.sizes[index] | |
| def set_epoch(self, epoch): | |
| pass | |