Hi, I have the same needs and I can't find any of these methods in the docs, neither in https://qgis.org/api/ nor https://qgis.org/pyqgis/master/ Am I missing something?
Regards, Harrissou Le lun. 27 janv. 2020 à 07:34, Nyall Dawson <[email protected]> a écrit : > On Sat, 25 Jan 2020 at 01:43, Enrico Ferreguti <[email protected]> > wrote: > > > > Hi QGIS developers, > > > > I would like to programmatically show a processing algoritm dialog from > python. I gived a look to processing toolbox and I found that this is > possible importing and instantiating the class AlgorithmDialog > [gui/processingToolbox.py][1] > > > > from processing.gui.AlgorithmDialog import AlgorithmDialog > > from qgis.core import QgsApplication > > > > alg = > QgsApplication.processingRegistry().algorithmById('qgis:extractbyattribute') > > dlg = AlgorithmDialog(alg, False, iface.mainWindow()) > > dlg.show() > > dlg.exec_() > > > > This opens algorithm dialog and let me perform processing computations > but once closed the dialog window QGIS become instable and crash without > any message interacting with the user interface. > > > > What am I doing wrong? Is there a method to do this in other way? > > Yep - there's a built in method which does this for you. > > You want either > > from qgis.processing import createAlgorithmDialog > dlg = createAlgorithmDialog('qgis:extractbyattribute', parameters={}) > dlg.exec_() > > OR > > from qgis.processing import execAlgorithmDialog > results = execAlgorithmDialog('qgis:extractbyattribute', parameters={}) > > (check the docs for each for the full details) > > In general, try to avoid any "from processing.* " imports -- those are > all internal details and not considered stable API. Anything in > "qgis.processing" IS stable and is public API, designed for external > use. > > Nyall > > > > > > I just posted the question on StackExchange: > https://gis.stackexchange.com/questions/348542/open-qgis-prococessing-algorithm-dialog-with-python > > > > Thanks in advance. > > Enrico Ferreguti. > > > > [1]: > https://github.com/qgis/QGIS/blob/276a31439eb95f9cdb1053a6ae2dba3f19fbcece/python/plugins/processing/gui/ProcessingToolbox.py#L262 > > _______________________________________________ > > QGIS-Developer mailing list > > [email protected] > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
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