i used to check if the C++ object is gone during runtime with sip.isdeleted(object)... it's no silver bullet and i don't know if this helps you, though.

see: https://www.riverbankcomputing.com/static/Docs/PyQt5/api/sip/sip-module.html?highlight=isdeleted#isdeleted

Cheers

Jonas

On 31.08.2020 18:15, David Erill wrote:
Hi Richard,
Actually we have a similar issue with one of our plugins, so if anyone can give feedback about how to handle this situation, it would be great.
I'm talking about any kind of Qgs class, not only about QgsLayerTreeGroup:
"wrapped C/C++ object of type QgsXXX has been deleted"

Missatge de Richard Duivenvoorde <[email protected] <mailto:[email protected]>> del dia dl., 31 d’ag. 2020 a les 13:43:

    On 2020-08-31 11:27, Richard Duivenvoorde wrote:

    > OR is this specific case a QGIS issue, as creating a GroupLayer
    maybe
    > should also create a c++ grouplayer?

    Forget this part: there IS a c++ grouplayer...

    Regards,

    Richard
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