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from torch.utils.data import Dataset as TorchDataset
from concern.config import Configurable, State
class SliceDataset(TorchDataset, Configurable):
dataset = State()
start = State()
end = State()
def __init__(self, **kwargs):
self.load_all(**kwargs)
if self.start is None:
self.start = 0
if self.end is None:
self.end = len(self.dataset)
def __getitem__(self, idx):
return self.dataset[self.start + idx]
def __len__(self):
return self.end - self.start
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