Why 8.9? One can build 9.0 with python2 just fine.

On Tue, Jan 7, 2020 at 1:16 PM Eric Gourgoulhon <egourgoul...@gmail.com> wrote:
>
> Le mardi 7 janvier 2020 13:25:04 UTC+1, E. Madison Bray a écrit :
>>
>> On Mon, Jan 6, 2020 at 7:30 PM Eric Gourgoulhon <egourg...@gmail.com> wrote:
>> >
>> > On the other hand, for the end user the major backwards-incompatibility 
>> > change already happened: a Python 2-only piece of code will break 
>> > immediately in any Sage 9.0 binary. Can we really say to the end user: "to 
>> > solve your issue, download SageMath sources and compile them with 
>> > ./configure --with-python=2" ?
>> > As for developers, the Python 3 switch has been discussed for something 
>> > like 2 years, so what would be the point to extend that (effective) 
>> > deprecation period? (maybe I am missing something here)
>>
>> For this very reason I think there ought to be Python 2 binary
>> releases for 9.0 as well.  I'm building both for Windows, but I'm not
>> in control of the others.
>
>
> One may argue that there are already available Python 2 binaries: the 8.9 
> binaries.
> Is it worth to spend time and energy to build new Python 2 binaries?
> Wouldn't a message like "if you insist in running Python 2-only code, please 
> use the 8.9 binaries" be sufficient?
> IMHO, most end users should now that Python 2 is dead (the younger ones even 
> do not know that such a thing had existed) and that "print bla" should be 
> changed to "print(bla)".
>
> Eric.
>
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