Hi Alexandre,
I recently used provider default values in a plugin like this..
provider = layer.dataProvider()
f = QgsFeature()
#On the Fly reprojection.
if layerCRSSrsid != projectCRSSrsid:
geom.transform(QgsCoordinateTransform(projectCRSSrsid,
layerCRSSrsid))
f.setGeometry(geom)
# add attribute fields to feature
fields = layer.pendingFields()
# vector api change update
if QGis.QGIS_VERSION_INT >= 10900:
f.initAttributes(fields.count())
for i in range(fields.count()):
f.setAttribute(i,provider.defaultValue(i))
else:
for i in fields:
f.addAttribute(i, provider.defaultValue(i))
--
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