[PySide] Python 3.8 and 3.5

Florian Bruhin me at the-compiler.org
Fri Oct 25 14:57:22 CEST 2019


On Fri, Oct 25, 2019 at 09:39:51AM +0000, Stephen Morris via PySide wrote:
> On Fri, Oct 25, 2019 at 09:58:00AM +0000, Cristián Maureira-Fredes wrote:
> > Python 2.7 is another story,
> > but as mention in previous blog post
> > we are planning to deprecate it as soon as Qt6 is released in favor of 
> > people still being unable to move forward.
> Please do not remove support for Python 2.7. In our industry (EDA -
> Electronic Design Automation) there is a huge legacy codebase of custom
> scripts in Python 2, and close-to-zero adoption of Python 3. Our customers
> expect to be able to write scripts in Python 2, and we expect to have to
> support it for years to come. 

You (or your customers) will get into a lot of trouble:

There are *many* common libraries you won't be able to use anymore, I don't see
why Qt would be an exception.

> If Qt6 withdraws support for Python 2 then we'll be unable to adopt Qt6 -
> simple as that.

If you're okay with using a Python version which is 10 years old, surely you
should be okay with continuing to use Qt 5 (at least as long as 5.15 LTS is
supported, but possibly even longer) as well? I mean, at that point you don't
get any security fixes and such for Python anyways, so I don't see how not
being able to switch to Qt 6 would be a problem.


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