how can javascript call a python method?

[iaminlost]

for example.

in python :
   def MyMethod(self):
      print "MyMethod"
[/CODE}
then i use wx.lib.iewin load a url,
in this url,have a javascript code like this
[CODE ]
window.external.Mythod()

i want this javascript language can call the python method,
what else should i do?

in vc++ ,this can be created easy,
but in python ,i can't find the same method to do this job.

my computer:
window xp
python 2.5
wxpython 2.5
pywin32 for python2.5
ie 7