[Rivet] Python 3

[Jonathan Butterworth]

Hi all,

I have python 2.7.10 and config.ac doesn't recognize this as >= 2.7.3
Easy enough to hack around for now, but needs a proper fix?

Cheers,
Jon

On 21/11/2017 13:57, David Grellscheid wrote:
> Hi Frank,
>
> I have also switched to a default Py3 system on my laptop, that's where
> my sudden interest in fixing it came from. Together with my Py2.7
> desktop, I've got both ends covered. And if we're not supporting 2.6
> anymore anyway, my problem of a missing test system goes away.
>
> Testing is of course very welcome anyway!
>
> See you,
>
>   David
>
>
> On 20/11/2017 16:06, Frank Siegert wrote:
>> Thanks David for going through this.
>>
>> In fact, the differences in string (encoding) handling are exactly why
>> I never pushed a complete Python3 transition into the repository. In
>> particular the question of backward compatibility was by far
>> non-trivial. At this point now, do we agree to not care about Python
>> 2.6 users (SL6!) anymore? That's fine by me.
>>
>> Have you already implemented the fallbacks for that? I have a system
>> with Python3 as default, so could help testing if you want.
>>
>> Cheers,
>> Frank
>>
>>
>> On 20 November 2017 at 14:08, David Grellscheid
>> <david.grellscheid at durham.ac.uk> wrote:
>>> Hi Andy,
>>>
>>> 2to3 doesn't cover text IO very much, where Py3 (rightly) forces you to
>>> be careful about the encoding, and makes a strongly typed distinction
>>> between texts and byte sequences.
>>>
>>>   David
>>>
>>>
>>> Once it's checked, we can have emoji .info files ;-)
>>>
>>>
>>>
>>> On 18/11/2017 12:56, Andy Buckley wrote:
>>>> Thanks David. Actually, I thought I'd already done everything flagged
>>>> up by 2to3 other than the overzealous list() calls on every returned
>>>> iterator... guess I missed some.
>>>>
>>>> Andy
>>>>
>>>>
>>>> On 17 November 2017 at 22:33, David Grellscheid
>>>> <david.grellscheid at durham.ac.uk> wrote:
>>>>> Hi all,
>>>>>
>>>>> I've gone through the core features of YODA and Rivet, and made them
>>>>> Python-3-compatible on the default branches. I have not tested all
>>>>> helper scripts yet, so if you notice anything odd, please let me know,
>>>>> and I'll fix it. I'll go through everything in the next days.
>>>>>
>>>>> Also, I haven't run a python 2.6 test yet, most likely the UI is broken
>>>>> for such old pythons now, and I'm not sure how much effort the
>>>>> compatibility would be yet, we'll need to see if it's even worth trying.
>>>>> Python 2.7.3 (April 2012) onwards should work.
>>>>>
>>>>> See you,
>>>>>
>>>>>   David
>>>>> _______________________________________________
>>>>> Rivet mailing list
>>>>> Rivet at projects.hepforge.org
>>>>> https://www.hepforge.org/lists/listinfo/rivet
>>>>
>>>>
>>>>
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-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Prof. Jonathan Butterworth,              http://www.hep.ucl.ac.uk/~jmb/
Head, Physics and Astronomy Department            Tel: +44 20 7679 3444
University College London                 Gower St, London WC1E 6BT, UK
ATLAS, CERN                                       Tel: +41 22 76  72340
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