[QGIS-Developer] Qt6: qgsspatialindex.sip: line 148: column 5: 'QgsSpatialIndex::intersects' has an unsupported return type

[Germán Carrillo]

Hi Richard and Julien,


Thanks a lot for sharing the steps to compile QGIS with Qt6 on Debian. I
followed your steps on Ubuntu Noble (24.04) and I've been able to reach
this point that you're mentioning in this thread, namely:

'QgsSpatialIndex::intersects' has an unsupported return type - provide
%MethodCode and a C++ signature
'QgsSpatialIndex::nearestNeighbor' has an unsupported return type - provide
%MethodCode and a C++ signature
'QgsSpatialIndex::nearestNeighbor' has an unsupported return type - provide
%MethodCode and a C++ signature
'QgsAttributeTableView::selectedFeaturesIds' has an unsupported return type
- provide %MethodCode and a C++ signature
ninja: build stopped: subcommand failed.

For me, it has worked by bringing back the MethodCode removed at [1] (which
dealt with QList<qint64>). Namely, I copied these lines [2] to
python/PyQt6/core/conversions.sip and built QGIS again.

After doing that, and after installing a couple of missing libs
(pytho3-pyqt6.qtpositioning
and pytho3-pyqt6.qtserialport), QGIS runs with Python bindings enabled on
Qt6.


Julien, could this MethodCode be still needed for particular SIP versions?
Could we bring back this MethodCode to python/PyQt6/core/conversions.sip or
what could be the recommended approach?


Regards,

Germán
------------
[1]
https://github.com/qgis/QGIS/pull/55674/commits/5711a69d26e980395529b56e8e3fa757fbfb5550
[2]
https://github.com/qgis/QGIS/blob/895193f2dddb616cfd21c8cdde037b971f15aa32/python/core/conversions.sip#L1566-L1613


El mié, 31 ene 2024 a las 9:11, Richard Duivenvoorde via QGIS-Developer (<
qgis-developer at lists.osgeo.org>) escribió:

> Hi,
>
> My Qt6 (test) build stops with the following:
>
> Generating the gui bindings...
> sip-build:
> /home/richard/git/qgisqt6/build/python/core/auto_generated/qgsspatialindex.sip:
> line 148: column 5: 'QgsSpatialIndex::intersects' has an unsupported return
> type - provide %MethodCode and a C++ signature
> /home/richard/git/qgisqt6/build/python/core/auto_generated/qgsspatialindex.sip:
> line 159: column 5: 'QgsSpatialIndex::nearestNeighbor' has an unsupported
> return type - provide %MethodCode and a C++ signature
> /home/richard/git/qgisqt6/build/python/core/auto_generated/qgsspatialindex.sip:
> line 179: column 5: 'QgsSpatialIndex::nearestNeighbor' has an unsupported
> return type - provide %MethodCode and a C++ signature
> /home/richard/git/qgisqt6/build/python/gui/auto_generated/attributetable/qgsattributetableview.sip:
> line 63: column 5: 'QgsAttributeTableView::selectedFeaturesIds' has an
> unsupported return type - provide %MethodCode and a C++ signature
> ninja: build stopped: subcommand failed.
>
> Is this my setup?
> Do others succeed in creating the python bindings?
>
> python3-sip/testing,now 4.19.25+dfsg-5+b2 amd64 [installed]
> python3-pyqt6.sip/testing,now 13.6.0-1+b1 amd64 [installed,automatic]
> python3-sipbuild/testing,now 6.8.1+dfsg-1 all [installed,automatic]
>
> Regards,
>
> Richard Duivenvoorde
> _______________________________________________
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