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Enhance WILDSSubset to support flexible data returns #156

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Enhance WILDSSubset to support flexible data returns #156

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6 changes: 4 additions & 2 deletions wilds/datasets/wilds_dataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -495,13 +495,15 @@ def __init__(self, dataset, indices, transform, do_transform_y=False):
self.do_transform_y = do_transform_y

def __getitem__(self, idx):
x, y, metadata = self.dataset[self.indices[idx]]
dataset_item = self.dataset[self.indices[idx]]

x, y, *_ = dataset_item # Unpacks the first two items; expects dataset items to have at least 2 elements
if self.transform is not None:
if self.do_transform_y:
x, y = self.transform(x, y)
else:
x = self.transform(x)
return x, y, metadata
return x, y, *dataset_item[2:] # Returns additional elements beyond x and y, if any

def __len__(self):
return len(self.indices)
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