copy/paste from/to layer

gistfile1.py

src = iface.activeLayer()
dst = QgsMapLayerRegistry.instance().mapLayer("cadastre20140312152032371")

featReq = QgsFeatureRequest().setSubsetOfAttributes([])
k = 0
features = []
nonCopied = []
for f in src.getFeatures(featReq):
	k += 1
	if k % 100 ==0:
		print k
	geom = f.geometry().convertToType( QGis.Line, False )
	if geom:
		f = QgsFeature()
		f.setGeometry(QgsGeometry.fromWkt(geom.exportToWkt()))
		f.initAttributes(2)
		features.append(f)
	else:
		nonCopied.append(f.geometry())

dst.beginEditCommand( "Features pasted" )
print dst.addFeatures( features )
dst.endEditCommand()
	
print " % features" % k
print " % copied" % len(features)