for path in pathlist:
    tree_iter = model.get_iter(path)
value = model.get_value(tree_iter, 0)
print(value)
listStore = gtk.ListStore(int)
treeview = gtk.TreeView()
treeview.set_model(listStore)
tree_selection = treeview.get_selection()
tree_selection.set_mode(gtk.SELECTION_MULTIPLE)
tree_selection.connect('changed', onSelectionChanged)
How to get value from selected item in treeview in PyGTK?