class MyTextCompleter(wx.TextCompleterSimple):

            def __init__(self):

                wx.TextCompleterSimple.__init__(self)                
        

            def GetCompletions(self, prefix, res):
            
                firstWord = prefix.split()[0]
                
                if firstWord == "white":                
                    res.append("white pawn")
                    res.append("white rook")
                
                elif firstWord == "black":                
                    res.append("black king")
                    res.append("black queen")
        
                else:                
                    res.append("white")
                    res.append("black")

                    
        # Later on...
        text = wx.TextCtrl(parent, wx.ID_ANY, 'My Text')
        text.AutoComplete(MyTextCompleter)