yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxxxxxx>]

Thanks for firsthand information Václav, It should be very helpful.
I was not sure something like "str/bytes distinction" would be involved, 
finally it is...
Bruno


On 06/05/2018 09:06 PM, Václav Šmilauer wrote:
> Hi guys, for inspiration, you can check out commit
> https://github.com/woodem/woo/commit/e25623325d8fd0a5dcc9f94a7b78249e36bff449 
> and quite a few afterwards (between Oct 18 2015 and Nov 10 2015, some 
> of them). The hardest part definitely was str/bytes distinction, plus 
> testing. The more tests you have, the easier to spot all affected 
> places. Woo currently supports both versions, that is not so hard (*), 
> but if you can go with py3k only, it is definitely easier. Good luck, 
> Vaclav
>
> (*) running "egrep 'future.utils.PY3|PY3K|version_info' **/*.py |wc " 
> reports 45 places where python major version is tested (and code 
> branches based on that). Plus imports from __future__, future and past.
>
> > Hello Jerome,
> >
> > thank you for you answer. I am not sure, how difficult could it be to
> > switch the Yade or to add a support of Python3. The syntax of python
> > 2 and 3 is not so different. One can find a lot of such migration 
> > tutorials.
> >
> > It would probably be more problematic two support both versions 
> > simultaneously
> > as to make a complete migration.
> >
> > Best regards
> >
> > Anton
> >
> >
> > 2018-05-31 13:10 GMT+02:00 Jerome Duriez <jerome.duriez@xxxxxxxxx>:
> > > Hi Anton,
> > >
> > > I'd consider this idea, ie I have some time and motivation, and no
> > > knowledge.. :-)
> > > Moreover / instead possible personal efforts, I could also look into 
> > > the
> > > possibility proposing a dedicated internship to some IT (with an 
> > > emphasis on
> > > the "I") student.
> > >
> > > Since I do not have a precise perception of the task, what is your 
> > > opinion
> > > regarding the internship option ?
> > > Would the migration be indeed feasible in this framework ? For which
> > > internship duration (1 month, 5 month, .. ?) and which education level
> > > (license/undergraduate, master/graduate, .. ?)
> > >
> > > We can discuss by direct emails if appropriate,
> > >
> > >
> > > Best,
> > >
> > > Jérôme
> > >
> > > ------
> > > Chargé de Recherche / Research Associate
> > > Irstea, RECOVER
> > > 3275 route de Cezanne – CS 40061 13182 Aix-en-Provence Cedex 5 FRANCE
> > > +33 (0)4 42 66 99 21
> > >
> > > On 07/05/2018 20:09, Anton Gladky wrote:
> > >
> > > Dear Yade developers,
> > >
> > > Python 2 reaches end of life and will probably removed
> > > soon from Debian [1] and then most probably from Ubuntu-Mint
> > > etc archives too. It is only the question of time. I think it will 
> > > unlikely
> > > happen till the Buster release (mid 2019), but it will probably
> > > happen at the end of 2019.
> > >
> > > Anyway, the migration of Yade onto Python 3 of Yade is really
> > > necessary to guarantee the further project life in modern 
> > > distributions.
> > >
> > > It would be good if somebody finds some resources (time, man
> > > power) and start this work. It should not be too difficult, but
> > > requires time, knowledge and motivation to do this migration.
> > >
> > > It will be necessary to guarantee the smooth migration period not
> > > to break the other's work.
> > >
> > > I will not do it due to extreme lack of free time, but can do some
> > > kind of review/advice/etc.
> > >
> > > [1] https://lists.debian.org/debian-devel/2018/04/msg00508.html
> > >
> > > Best regards
> > >
> > > Anton
> > >
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