"M.-A. Lemburg" <mal@lemburg.com> writes: > > What are new-style exceptions? > > Exceptions that are built as subclassable types. Exceptions first of all inherit from Exception. When/if Exception stops being a class, we'll have to deal with more issues than the PEP 293 exceptions. > There's nothing premature here. By moving exception handling to > C level, you get *much* better performance than at Python level. Can you give a specific example: What Python code, how much better performance? > This doesn't work as I've already explained before. The predefined > error handling modes of builtin codecs must work with relying on > the Python import mechanism. You mean "without"? Where did you explain this before? And why is that? Guido argues that more of the central interpreter machinery must be moved to Python - I can't see why codecs should be an exception here. > What ? That exceptions are immutable ? I think it's a big win that > exceptions are in fact mutable -- they are great for transporting > extra information up the chain... I see. So this is an open issue. Regards, Martin
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