r = Gst.registry_get() features = r.get_feature_list_by_plugin(pluginName) byname = dict([(f.get_name(), f)forfinfeatures])if(featureNamenotinbynameor(featureCheckandnotfeatureCheck(byname[featureName]))): m = messages.Error(T_( N_("Your '%s' GStreamer plug-in is too old.\n"...