On Fri, 03 Feb 2006 12:00:52 +0100, Magnus Lycka wrote:
> Today, Python has a syntactic shortcut. If 'a' is an
> instance of class 'A', a.f(x,y,z) is a shortcut for
> A.f(a,x,y,z).
It is easy to work around (break?) that behaviour:
class A(object):
def foo(self):
print "normal method foo"
a = A()
def foo(self):
print "special method foo"
from new import instancemethod
a.foo = instancemethod(foo, a)
Now we can see that a.foo() is no longer a shortcut for A.foo(a):
>>> a.foo()
special method foo
>>> A.foo(a)
normal method foo
So instances can have methods that they don't inherit from their class!
--
Steven.
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