On 16 Jul 2014 20:00, <dw+python-...@hmmz.org> wrote: > On Thu, Jul 17, 2014 at 03:44:23AM +0600, Mikhail Korobov wrote: > > I believe this problem affects tornado ( https://github.com/tornadoweb/tornado/ > > Do you know if there a workaround? Maybe there is some stdlib part that I'm > > missing, or a module on PyPI? It is not that hard to write an own wrapper that > > won't do copies (or to port [c]StringIO to 3.x), but I wonder if there is an > > existing solution or plans to fix it in Python itself - this BytesIO use case > > looks quite important. > > Regarding a fix, the problem seems mostly that the StringI/StringO > specializations were removed, and the new implementation is basically > just a StringO.
Right, I don't think there's a major philosophy change here, just a missing optimisation that could be restored in 3.5. Cheers, Nick.
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