[Python-Dev] Changing semantics of issubclass when accepting a
Guido van Rossum
guido at python.org
Sun Dec 14 17:32:50 EST 2003
> Bug #858016 shows how issubclass can segfault if you pass a deeply
> nested tuple as issubclass' second argument. I would like to propose
> changing the semantics so that it only accepts a flat tuple; when a
> tuple is passed in to do a quick check that each item is a class and if
> it is pass that to issubclass.
Works for me.
> But this is a change in semantics. Tim said I should clear it here
> first so that is what I am doing. Anyone have issues if I do this? And
> if so, any objections of backporting to 2.3?
Let's not mess with 2.3 semantics.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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