usr bin python test py import modfoo def replacement self print Alien

  • Anonymous
  • Python
  • 24 Jan 2009 
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#!/usr/bin/python

# test.py



import modfoo



def replacement(self):

    print 'Alien method'



def patching():

    import modbar

    modbar.Bar.f = replacement

    obj = modfoo.Foo()

    obj.problem()



if __name__ == '__main__':

    patching()



# modfoo.py =======================



class Foo:

    def problem(self):

        from modbar import Bar

        b = Bar()

        b.f()



# modbar.py =======================



class Bar:

    def f(self):

        print 'Bar.f'
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