Mine

import pygtkpygtk.require("2.0")import gtkitems = ['a', 'b', 'c', 'd']def callback(*params):    print paramsmodel = gtk.ListStore(str)model.connect("rows-reordered", callback)#model.connect("row-changed", callback)for i in items:    model.append((i,))w = gtk.Window()w.connect("destroy", gtk.main_quit)v = gtk.TreeView(model)v.set_size_request(300, 200)v.set_reorderable(True)c = gtk.TreeViewColumn("File", gtk.CellRendererText(), text=0)v.append_column(c)w.add(v)w.show_all()gtk.main()