40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
"""
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Batch management module
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"""
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from .pina_subset import PinaSubset
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class Batch:
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"""
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Implementation of the Batch class used during training to perform SGD
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optimization.
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"""
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def __init__(self, dataset_dict, idx_dict):
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for k, v in dataset_dict.items():
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setattr(self, k, v)
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for k, v in idx_dict.items():
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setattr(self, k + '_idx', v)
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def __len__(self):
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"""
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Returns the number of elements in the batch
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:return: number of elements in the batch
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:rtype: int
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"""
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length = 0
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for dataset in dir(self):
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attribute = getattr(self, dataset)
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if isinstance(attribute, list):
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length += len(getattr(self, dataset))
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return length
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def __getattr__(self, item):
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if not item in dir(self):
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raise AttributeError(f'Batch instance has no attribute {item}')
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return PinaSubset(
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getattr(self, item).dataset,
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getattr(self, item).indices[self.coordinates_dict[item]])
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