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Tue Nov 3 19:26:34 CET 2009 · https://mail.python.org/pipermail/python-dev/2009-November/093650.html

Martin v. Löwis wrote:
>>> I would be really surprised if 2.7 would simplify porting to 3.x. How
>>> could that possibly work?
>> The only things I can think of that would go into this category are
>> features like:
>> - PEP 3118, revised buffer protocol. If the buffer API that numpy
>>   uses is not present in py3k (I'm no expert on the subject, but
>>   it seems this way from a recent thread on python-dev), then if
>>   they could move to PEP 3118 in 2.7 their migration to 3.x would
>>   be easier
> 
> But only if NumPy would drop support for 2.x, for x < 7, right?
> That would probably be many years in the future.

Right. But that might be their best migration strategy: wait for 2.7 to 
be available everywhere, port to 2.7, then port to 3.4 (or whatever the 
current version of 3.x would be, then).

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[Python-Dev] 2.7 Release? 2.7 == last of the 2.x line?