Hi all,
I am relying on current Veusz, Py2 and Qt4 for Misura package
(tainstr/misura.client).
I know that also Python(x,y) distribution is still Py2 and Qt4. I rely
on that distribution to quickly install a complete environment on Windows.
Anyway, I am not voting to keep Veusz behind! Go ahead and move to Qt5
and Py3 whenever you like: it will be a good testing phase for me.
Until I can schedule some time to upgrade, my contributions to Veusz
will probably be to the Py2/Qt4 branch.
There is no technical reason to stick with those versions: only lack of
time. It's a complex system and Py/Qt is just a detail for me.
Regards,
Daniele
Il 23/02/2016 09:19, Jeremy Sanders ha scritto:
Hi all
As an additional question, how many people are relying on Veusz Python
2 compatibility?
There would be some advantages in dropping the Python 2 support, such
as the reducing costs in maintenance and testing.
Cheers
Jeremy
On 23/02/16 05:55, Christian Ambros wrote:
Hi Jeremy,
I'm waiting for a long time for this step. And in some cases I'm using
pretty old laptops which do not have problems with Qt5 either. Even that
old T42 Thinkpad of my parents, who where teachers runs fine. They are
now supporting their school as consultants during their retirement and
came into situations where they had to do statistical work. They are
running the Qt5 version you offered some month ago and are pretty happy
with it. This shows that there are no problems with old hardware.
Since 3D still isn't an option, and switching to matplotlib was denied
by you earlier because you didn't want to depend on such, but standard,
libs, there won't be any problem wit Qt5 in any direction.
So I welcome this change and encourage you to do this step, as one in
the right direction since Qt5 is standard since 2012.
I disagree with Benjamin about depending on LTS version, because this
behavior doesn't cause enough pressure on the developers to be up to
standards when they are published. Take a look at python3 which came as
standard in 2010, which was six years from now and even today there are
plenty of developers who think that python3 has more drawback than
advantages which isn't true if you go through that process of updating.
Those people are just afraid of learning something new. They try to
stick to a level but don't want to evolve themselves. With Qt5 it's the
same. I've been writing programs with both 4.8 and 5.5 and changing to
five was the best decision I made. Things got that much easier and
faster that even my boss couldn't believe it.
cheers,
Christian
-- "A little learning never caused anyone's head to explode!" "Ein wenig
Lernen hat noch niemandens Kopf zum Explodieren gebracht!"
On Tuesday, February 23, 2016 3:40 AM, Benjamin K. Stuhl
<[email protected]> wrote:
On 2/20/2016 7:42 AM, Jeremy Sanders wrote:
> Qt 4 is no longer supported and Qt 5 is included in many linux
> distributions.
>
> Would there be any objections if I merge the Qt 5 branch into the
main
> tree? It shouldn't affect binary distributions (though I'll need to
> update my setups).
I generally like the idea, but it might be a good idea to wait until the
next Ubuntu LTS is out? Trusty and derivatives, like Mint, only have
5.2, so depending what version Veusz needs it might be impossible to
keep up your PPA after the switch to Qt 5.
On the other hand, one could also argue for doing the switch _now_, so
that the version in the LTS isn't still using Qt 4 two years from now...
--BKS
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