Python-сообщество

import  wx

class TestFrame(wx.Frame):

    def __init__(self):
        wx.Frame.__init__(self, None, -1, "Test", size=(300, 300))
        self.tree = wx.TreeCtrl(self)
        _Tree = [[1,0,"Root"],[2,1,"Level_10"],[3,1,"Level11"],
            [4,1,"Level12"],[5,2,"Level20"],[6,5,"Level30"]]
        
        def branch(node, id):
            for x in filter(lambda x: x[1] == id, _Tree):
                if node:
                    new_node =  self.tree.AppendItem(node, x[2])
                else:
                    new_node = self.tree.AddRoot(x[2])
                self.tree.SetPyData(new_node, x[0])
                branch(new_node, x[0])
                
        self.tree.Freeze()            
        branch(None, 0)
        self.tree.Thaw()

if __name__ == '__main__':
    app = wx.PySimpleApp()
    frame = TestFrame()
    frame.Show(True)
    app.MainLoop()