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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
from typing import Any, Tuple
from torch.utils.data import Dataset
class DatasetWithEnumeratedTargets(Dataset):
def __init__(self, dataset):
self._dataset = dataset
def get_image_data(self, index: int) -> bytes:
return self._dataset.get_image_data(index)
def get_target(self, index: int) -> Tuple[Any, int]:
target = self._dataset.get_target(index)
return (index, target)
def __getitem__(self, index: int) -> Tuple[Any, Tuple[Any, int]]:
image, target = self._dataset[index]
target = index if target is None else target
return image, (index, target)
def __len__(self) -> int:
return len(self._dataset)
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