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I have discovered the following behaviour in 2.5, which I cannot explain:
>>> try:
... raise ValueError("foo")
... except object:
... print "aiee!"
... 
Traceback (most recent call last):
 File "<stdin>", line 2, in <module>
ValueError: foo
>>> sys.version
'2.5.1 (r251:54863, Jan 23 2008, 16:53:41) \n[GCC 4.2.2 (Gentoo 4.2.2
p1.0)]'
>>> isinstance(ValueError("foo"), object)
True
At first I thought I misunderstood something about exceptions, but the
wording of the try-statement leads me to believe that this should work.
ValueError is a subclass of object and thus, I think, should be a match,
thus catching the exception.
I realize that all exceptions should inherit from Exception
(BaseException?), but for the sake of consistence, shouldn't "except
object" catch *anything* in python 2.5? I.e. be the equivalent of "except:".
Is this a bug? If so, should this be fixed?