[Qgis-developer] Update map after adding new feature

[Alex Bruy]

Many thanks for replies, Carson and Martin.
I'm try do add code that refresh map canvas, but this don't help.  Layer
manually added to TOC. I'll tested plugin on both types of vector layers
(PostGIS and shapefile) and have no result - features don't appears and
attribute table still empty... Only after layer reloading all becomes ok.
Maybe, I'm do something wrong? My last code is:

mc = self.iface.getMapCanvas()
vLayer = QgsVectorLayer('D:/test', 'test', 'ogr')
#vLayer = QgsVectorLayer('dbname='geobase' host=127.0.0.1 port=5432
user='postgres' table="public"."proba" (the_geom) sql=', 'test', 'postgres')
fet = QgsFeature()
fet.setGeometry(QgsGeometry.fromPolygon([lstCoords]))
fet.addAttribute(0, QVariant(attr0))
fet.addAttribute(1, QVariant(attr1))
fet.addAttribute(2, QVariant(attr2))
fet.addAttribute(3, QVariant(attr3))
vLayer.startEditing()
if vLayer.addFeature(fet, True):
	vLayer.commitChanges()
	vLayer.setModified()
        vLayer.updateExtents()
	mc.refresh()

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