On Tue, Aug 24, 2010 at 8:25 AM, Benjamin Peterson <benjamin at python.org> wrote: > 2010/8/23 Yury Selivanov <yselivanov at gmail.com>: >> So, the proposed magic method is not intended to change the protocol, >> but to complement and enhance it. > > But it still raises the potential to break the relationship between > hasattr and getattr. > > I think this should require a PEP. Definitely needs a PEP, and will require some solid use cases to explain why allowing optimisation of hasattr() is the right way to go. Complexity isn't free, and I doubt the gains here will justify the costs, but that's one of the things the PEP process is intended to figure out. Cheers, Nick. -- Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia
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