On Mar 9, 2010, at 13:26 , Andrey Fedorov wrote: > So I have `x', a instance of class `Foo'. I also have class `Bar', a class > extending `Foo' with a couple of methods. I'd like to "down cast" x as > efficiently as possible. Is it OK to just set `x.__class__ = Bar' and expect > things to work OK in all major versions of CPython?
Could you tell us *why* you need to down-cast x? Explicit type-casting is usually unnecessary in Python... ------------- Rami Chowdhury "Never assume malice when stupidity will suffice." -- Hanlon's Razor 408-597-7068 (US) / 07875-841-046 (UK) / 0189-245544 (BD)
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