Hi
I'm trying to set custom layers variables from processing using
QgsExpressionContextUtils.setLayerVariables to destination layers , I have
found that those variables does not appear in
Qgis.
I have found that when the layer is inserted in the current project
(https://github.com/qgis/QGIS/blob/master/python/plugins/processing/gui/Postprocessing.py#L81
<https://github.com/qgis/QGIS/blob/master/python/plugins/processing/gui/Postprocessing.py#L81>)
the layer variables are removed - Checking existence of the variable before
and after the call of 'addMaperLayer' shows that layer variables are removed
from custom properties.
I cannot tell if this is a bug or not because it seems that the removal may
occurs in some signal handler. So if somebody has some clues to where to look,
I will be grateful.
Qgis version: 3.0.3-Girona
David
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