jason wrote:
> If I have a class hierarchy like so:
>
>
> class A(object):
> def __init__(self, s):
> self.s = s
> def foo(self, s):
> return A(s)
A.foo is broken, or at least rude. Change it to this:
def foo(self, s):
return type(self)(s)
> class B(A):
> def __init__(self, s):
> A.__init__(self, s)
Unrelated:
It is better to call super than manually call the superclass. Calling A
directly means your class is no longer compatible with multiple
inheritance.
def __init__(self, s):
super(B, self).__init__(s)
> I'm using Python 2.7.5, but I'm curious what the 3.x answer is too.
The answer in 3.x is the same, except that super() can auto-detect the right
arguments:
super().__init__(s)
--
Steven
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