[Scons-dev] SCons and Python 3

[William Blevins]

On Wed, Sep 9, 2015 at 2:27 PM, Bill Deegan <bill at baddogconsulting.com>
wrote:

> Tim,
>
> On Wed, Sep 9, 2015 at 10:52 AM, Tim Jenness <tjenness at lsst.org> wrote:
>
>>
>> On Sep 9, 2015, at 10:49 , Bill Deegan <bill at baddogconsulting.com> wrote:
>>
>> SCons supports  >=2.7 <3.0
>>
>> As far as I know, the idea was to not break 2.6 if it was reasonable not
>> to, but no guarantee.
>> Clearly starting work on 2.7 & 3.0 compatible source code would mean 2.6
>> would be dropped entirely.
>>
>>
>> The scons release notes are very specific:
>>
>>
>> This will be the last release to support Python versions earlier than
>> 2.7, as we begin to move toward supporting Python 3.
>>
>> Which reads to me that 2.6 is being dropped and python 3 is to be
>> supported.
>>
>
> This doesn't conflict with what I wrote in any way.
>
> A guarantee that it will work with 2.6 has been removed.  As I said above,
> if a change breaks 2.6 (in the recent past) and there was an equivalently
> good way to code it which didn't break 2.6, we'd try to use that.   That
> said, I don't think this came up very often.
> And as I said above that, shall we say, suggestion is no longer in effect.
>
> At some point (undefined as in no hard commitment on the date of a release
> which will work with 3.x) in the future 3.x will be supported.
>
> We've got a fairly big change in default (slots), which should released
> sometime in the near future.
> Then we've got another larger functional patch (improved cross language
> scanners, if it's ready).
>

I take this as evidence that no ones watches the BitBucket pull requests.
It's ready to be announced and looked at.


> Also a fix for some issues with versioned shared librareis, and 3.x work
> should happen thereafter.
> After that I expect we'll start moving the code to 3.x and 2.7.x compat.
>
> Anyone want to volunteer some buildslaves for 3.x?
>
> -Bill
>
>
>
>
>
>>
>> —
>> Tim Jenness
>>
>>
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>>
>
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