properties and inheritance

Neal D. Becker ndbecker2 at verizon.net
Thu Oct 7 13:34:32 CEST 2004


It seems that properties, as implemented in 2.3, don't behave as I'd expect
with respect to inheritance:

class A (object):
    def f(self):
        print "A"

    doF = property (fget=f)

class B(A):
    def f(self):
        print "B"


b = B()
b.doF : prints "A"

Is there a rationale for this?  I would have thought that if properties are
a shorthand for calling functions, and functions are polymorphic, then why
are properties not?  Doesn't that make properties behaviour inconsistent
with other attributes?




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