[PyQt] PYQt defaults to fonts looking bold on macOS but C++ Qt does not

[Florian Bruhin]

* Barry Scott <barry at barrys-emacs.org> [2016-07-06 12:08:02 +0100]:
> 
> > On 6 Jul 2016, at 12:04, Phil Thompson <phil at riverbankcomputing.com> wrote:
> > 
> > On 6 Jul 2016, at 11:55 am, Barry Scott <barry at barrys-emacs.org> wrote:
> >> 
> >>> 
> >>> On 6 Jul 2016, at 11:50, Phil Thompson <phil at riverbankcomputing.com> wrote:
> >>> 
> >>> On 6 Jul 2016, at 11:26 am, Barry Scott <barry at barrys-emacs.org> wrote:
> >>>> 
> >>>> Compare the windows snapshots taken for a PyQt5 app and a C++ Qt5 app
> >>>> that use a QLabel control.
> >>>> 
> >>>> http://www.barrys-emacs.org/export/Qt5.png
> >>>> 
> >>>> http://www.barrys-emacs.org/export/PyQt5.png
> >>>> 
> >>>> You can see that the text in PyQt5 looks like it is bold compared to the
> >>>> Qt5 version.
> >>>> 
> >>>> On Fedora I see that same text for Qt5 and PyQT5.
> >>>> 
> >>>> Please fix this problem in PyQt5.
> >>>> 
> >>>> The source code I used is in:
> >>>> 
> >>>> http://barrys-emacs.org/export/font-example.tar.gz
> >>>> 
> >>>> Note: This bug affects all text, list, tables, line edit everything.
> >>> 
> >>> ...on your system. It works fine for me. PyQt does nothing with fonts.
> >> 
> >> Oh. I have not knowingly done anything that would cause this.
> >> 
> >> If I wanted to globally change the font used by PyQt5 how would I do it?
> >> Is there a config file that PyQt5 will read that Qt will not?
> > 
> > No.
> 
> I guess I’m about to learn how dtrace works to find the difference.

Are you sure you're using the exact same Qt version via PyQt?

Florian

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