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| Date | Tue, 24 Jan 2012 00:33:48 -0800 |
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| Subject | Re: String interning in Python 3 - missing or moved? |
| From | Chris Rebert <clp2@rebertia.com> |
| To | Stefan Behnel <stefan_ml@behnel.de> |
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On Tue, Jan 24, 2012 at 12:17 AM, Stefan Behnel <stefan_ml@behnel.de> wrote: > Chris Angelico, 24.01.2012 05:47: >> Lua and Pike both quite happily solved hash collision attacks in their >> interning of strings by randomizing the hash used, because there's no >> way to rely on it. Presumably (based on the intern() docs) Python can >> do the same, if you explicitly intern your strings first. Is it worth >> recommending that people do this with anything that is >> client-provided, and then simply randomize the intern() hash? > > If you want to encourage them to fill up their memory with user provided > data in a non-erasable way, Actually, quoth intern()'s docs: "Interned strings are not immortal; you must keep a reference to the return value of intern() around to benefit from it." Cheers, Chris
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Re: String interning in Python 3 - missing or moved? Chris Rebert <clp2@rebertia.com> - 2012-01-24 00:33 -0800
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