Should IntegerArray provide data / mask through an API? · Issue #34873 · pandas-dev/pandas (original) (raw)

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Description

I'm currently implementing some algorithms on top of the IntegerArray class with numba. Therefore I would need to pass in the two separate backing NumPy arrays instead of the pandas class. Using series.to_numpy() isn't helpful in this case as this returns a object-typed array. For now, I'll keep using series.values._data and series.values._mask but I'm aware that using private variables is not a long-term solution.

Given that series.values._data may be undefined where the mask is True, I know that returning the raw data may be a bit controversial but still need. Thus naming the accessor for it should be done carefully.