[QGIS-Developer] Is QgsAbstractProcessingParameterWidgetWrapper.createWidget still mandatory in subclass ?

[Nicolas Godet]

Dears devs,

I'm currently developping a processing provider plugin that will handle .mat file (MATLAB file).
For a better user experience, I add a custom parameter definition and widgetwrapper.

Full snippet here: https://gitlab.com/-/snippets/4872859

PyQGIS QgsAbstractProcessingParameterWidgetWrapper doc: https://qgis.org/pyqgis/master/gui/QgsAbstractProcessingParameterWidgetWrapper.html
This doc says that createWidget method MUST be implemented in subclass.
After strugling a bit, I noticed that with my approach using `self.setMetadata({"widget_wrapper": {"class": QgsProcessingMatFieldWidgetWrapper}})` in parameter def, the method createWrappedWidget is called and not createWidget.
Even in widget factory, createWidget is not called, createWrappedWidget is.

Is the doc still up-to-date ?
Current implementation works fine without.

Kind regards,


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