Source code for gluonts.testutil.batchify

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# Licensed under the Apache License, Version 2.0 (the "License").
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from typing import List

import numpy as np


[docs]def stack(data):
    if isinstance(data[0], np.ndarray):
        return np.array(data)

    elif isinstance(data[0], (list, tuple)):
        return list(map(stack, zip(*data)))

    return data


[docs]def batchify(data: List[dict]) -> dict:
    keys = data[0].keys()
    return {key: stack(data=[item[key] for item in data]) for key in keys}