30 lines
683 B
Python
30 lines
683 B
Python
import uuid
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from ray.data.preprocessor import Preprocessor
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class DummyPreprocessor(Preprocessor):
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_is_fittable = False
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def __init__(self, transform=None):
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self.id = uuid.uuid4()
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if transform is None:
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self.transform = lambda b: b
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else:
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self.transform = transform
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def transform_batch(self, batch):
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self._batch_transformed = True
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return self.transform(batch)
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def _transform_pandas(self, df):
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return df
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@property
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def has_preprocessed(self):
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return hasattr(self, "_batch_transformed")
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def __eq__(self, other_preprocessor):
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return self.id == other_preprocessor.id
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