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Subclass PyGridTableBase

import wx import wx.grid class TestTable(wx.grid.PyGridTableBase):     def __init__(self):         wx.grid.PyGridTableBase.__init__(self)         self.data = { (1,1) : "A",(2,2) : "B"}                  self.odd=wx.grid.GridCellAttr()         self.odd.SetBackgroundColour("red")         self.odd.SetFont(wx.Font(10, wx.SWISS, wx.NORMAL, wx.BOLD))         self.even=wx.grid.GridCellAttr()         self.even.SetBackgroundColour("yellow")         self.even.SetFont(wx.Font(10, wx.SWISS, wx.NORMAL, wx.BOLD))     def GetNumberRows(self):         return 5     def GetNumberCols(self):         return 5     def IsEmptyCell(self, row, col):         return self.data.get((row, col)) is not None     def GetValue(self, row, col):         value = self.data.get((row, col))         if value is not None:             return value         else:             return ''     def SetValue(self, row, col, value):         self.data[(row,col)] = value     def GetAttr(self, row, col, kind):         attr = [self.even, self.odd][row % 2]         attr.IncRef()         return attr class TestFrame(wx.Frame):     def __init__(self):         wx.Frame.__init__(self, None, title="Grid Table",size=(640,480))         grid = wx.grid.Grid(self)         table = TestTable()         grid.SetTable(table, True)          app = wx.PySimpleApp() frame = TestFrame() frame.Show() app.MainLoop()