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List:       pykde
Subject:    Re: [PyQt] QAbstractItemModel::data and invalid QVariant
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2017-02-21 9:31:34
Message-ID: 44156816-61B0-4343-BD77-AD291DDD4E6C () riverbankcomputing ! com
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On 21 Feb 2017, at 5:31 am, Florian Bruhin <me@the-compiler.org> wrote:
> 
> Hi,
> 
> the Qt docs for QAbstractItemModel::data say[1]:
> 
>    Note: If you do not have a value to return, return an invalid
>    QVariant instead of returning 0.
> 
> Yet returning None from Python seems to work fine. What happens behind
> the scenes there? Does PyQt convert the None I return to a null
> pointer, or to an invalid QVariant?

The latter.

Phil
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