dynamic menu with bad callback function

[oyster]

I want to create a dyanmic menu accoring to varialbe cfg(in fact I read this
from a user-defined file)
cfg=3D[['a', 'this is a'],['b', 'this is b']]
where cfg[i][0] is the text of menu, and cfg[i][1] is passed to the callback
function
but now, the display are always 'this is b'. how to correct this? thanx
[code]

#!/usr/bin/env python
# -*- coding: ISO-8859-1 -*-

import wx

class MyFrame(wx.Frame):
 def __init__(self, *args, **kwds):
  kwds["style"] =3D wx.DEFAULT_FRAME_STYLE
  wx.Frame.__init__(self, *args, **kwds)

  # Menu Bar
  self.frame_1_menubar =3D wx.MenuBar()
  self.SetMenuBar(self.frame_1_menubar)
  self.mnFile =3D wx.Menu()

  cfg=3D[['a', 'this is a'],['b', 'this is b']]
  for i in cfg:
   exec 'self.IDmnFile%s =3D%d' % (i[0],wx.NewId() )  in locals()

   self.mnFile.Append(eval('self.IDmnFile%s' % i[0]), i[0], i[1])
   pass
  self.frame_1_menubar.Append(self.mnFile, "File")
  # Menu Bar end

  self.__set_properties()
  self.__do_layout()

  for i in cfg:
   wx.EVT_MENU(self,eval('self.IDmnFile%s' % i[0]) , lambda e:self.event
(i[1]))

 def __set_properties(self):
  self.SetTitle("frame_1")

 def __do_layout(self):
  sizer_1 =3D wx.BoxSizer(wx.VERTICAL)
  self.SetAutoLayout(True)
  self.SetSizer(sizer_1)
  sizer_1.Fit(self)
  sizer_1.SetSizeHints(self)
  self.Layout()

 def event(self, event):
  print 'event=3D',event


class MyApp(wx.App):
 def OnInit(self):
  wx.InitAllImageHandlers()
  frame_1 =3D MyFrame(None, -1, "")
  self.SetTopWindow(frame_1)
  frame_1.Show()
  return 1

if __name__ =3D=3D "__main__":
 app =3D MyApp(0)
 app.MainLoop()
[/code]
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