Overriding a method in an instance

[Kalle Svensson]

Sez Martyn Quick:
> I was wondering what the correct way to change the definition of a method
> of an instance of a class is.  The following seems to work:

Well, that depends on what you mean by correct.  IMHO, the *correct* way
would be to create a subclass (or use delegation):

class TestClass:
    def func(self):
        print "1"

class TestSubClass(TestClass):
    def func(self):
        print "2"

instance = TestSubClass()

I'm not sure about your situation, of course.  Perhaps you can present a
compelling reason to change methods on instances without subclassing (or
delegation)?

Peace,
  Kalle
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