Re: [QGIS-Developer] PyQgis Standalone app from 3.4 to 3.16

2022-10-06 Thread Luca Manganelli via QGIS-Developer 
QGIS 3.16 is now unsupported. I suggest you to try the new QGIS 3.22 LTR.

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Re: [QGIS-Developer] PyQgis Standalone app from 3.4 to 3.16

2022-10-06 Thread Luca Manganelli via QGIS-Developer 
in the bin folder of the QGIS there is a python bat file. You could use it
to run your python app.

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Comune di Trento 

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00355870221

tel. +39 0461.884111 | www.comune.trento.it 
 


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[QGIS-Developer] PyQgis Standalone app from 3.4 to 3.16

2022-10-03 Thread PIERRE Sylvain via QGIS-Developer 
Hi devs,

I'm porting a PyQgis standalone app from 3.4 to 3.16 api.
I get an error with the new 3.16 app
QSqlDatabase: QPSQL driver not loaded
QSqlDatabase: available drivers: 

The most visible change I noticed is python 3.7 to 3.9. Is there any impact on 
PyQt5 bindings ?  With python 3.7 there was a C:\Program Files\QGIS 
3.4\apps\Python37\sip directory which is missing with python 3.9.

Here is my app env variables
os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = r'C:\Program Files\QGIS 
3.16.16\apps\Qt5\plugins'
os.environ['PATH'] += r';C:\Program Files\QGIS 3.16.16\apps\qgis-ltr;C:\Program 
Files\QGIS 3.16.16\apps\qgis\bin;C:\Program Files\QGIS 3.16.16\apps\Qt5\bin'
os.environ['QGIS_PREFIX_PATH'] = r'C:\Program Files\QGIS 3.16.16\apps\qgis-ltr'
os.environ['GDAL_DATA'] = r'C:\Program Files\QGIS 3.16.16\share\gdal'
os.environ['PROJ_LIB'] = r'C:\Program Files\QGIS 3.16.16\share\proj'

os.environ['GDAL_DRIVER_PATH'] = r'C:\Program Files\QGIS 
3.16.16\bin\gdalplugins'
os.environ['QT_PLUGIN_PATH'] = r'C:\Program Files\QGIS 
3.16.16\apps\qgis\qtplugins;C:\Program Files\QGIS 3.16.16\apps\qt5\plugins'

Did I miss something ?

Thanks

[cid:image002.jpg@01D8D739.62F6AA70]
Sylvain PIERRE
Chef de projet système d'information
Direction des Systèmes d'Information et du Développement Numérique
Service Projets et Ingénierie Numérique
Collectivité européenne d'Alsace
Tél : 03 88 76 68 88
sylvain.pie...@alsace.eu
www.alsace.eu
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