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List: pykde
Subject: Re: [PyQt] SystemLocaleShortDate omits the century on Linux
From: Barry Scott <barry () barrys-emacs ! org>
Date: 2020-03-17 21:43:39
Message-ID: 1A864473-DA7E-4771-AF1B-A65FA1BCB7B0 () barrys-emacs ! org
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> On 11 Mar 2020, at 19:47, Maurizio Berti <maurizio.berti@gmail.com> wrote:
>
> Taken from QDate.toString (https://doc.qt.io/qt-5/qdate.html#toString-1 \
> <https://doc.qt.io/qt-5/qdate.html#toString-1>):
> If the format is Qt::SystemLocaleShortDate or Qt::SystemLocaleLongDate, the string format \
> depends on the locale settings of the system.
> It completely depends on how the system "tells" what is the date format.
> Apparently, Windows defaults to 4 digits for your localization, while it's set to 2 for \
> Linux. You can change them in both systems: in Windows it's on the regional settings, while \
> on Linux it depends on your distro/window manager/etc.
I think you will find it depends on glibc's localisation database.
I would be surprised if distro's patch that. Surprised not shocked.
If GUI tool kits have code to do this as well it is possible that
command line (Glibc) programs give different answer then GUI's.
Barry
>
> Maurizio
>
> Il giorno mer 11 mar 2020 alle ore 19:19 Sibylle Koczian <nulla.epistola@web.de \
> <mailto:nulla.epistola@web.de>> ha scritto: Hello,
>
> on Windows SystemLocaleShortDate gives 'dd.MM.yyyy', quite correct for
> locale de-DE.
>
> On Linux (at least on ArchLinux, I didn't try other distributions) it
> gives 'dd.MM.yy' with the same locale.
>
> The documentation calls SystemLocaleShortDate "The short format used by
> the operating system". But the locale's date representation as given by
> "date +%x" in the Linux terminal shows the date as it should be,
> including the century.
>
> Why the difference?
>
> It is especially annoying with dates from this year in a QTableView: I
> always try to drag the date column wider which doesn't help.
>
> Looking for explanations,
> Sibylle
> _______________________________________________
> PyQt mailing list PyQt@riverbankcomputing.com <mailto:PyQt@riverbankcomputing.com>
> https://www.riverbankcomputing.com/mailman/listinfo/pyqt \
> <https://www.riverbankcomputing.com/mailman/listinfo/pyqt>
>
> --
> È difficile avere una convinzione precisa quando si parla delle ragioni del cuore. - \
> "Sostiene Pereira", Antonio Tabucchi http://www.jidesk.net \
> <http://www.jidesk.net/>_______________________________________________ PyQt mailing list \
> PyQt@riverbankcomputing.com https://www.riverbankcomputing.com/mailman/listinfo/pyqt
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body \
style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" \
class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 11 \
Mar 2020, at 19:47, Maurizio Berti <<a href="mailto:maurizio.berti@gmail.com" \
class="">maurizio.berti@gmail.com</a>> wrote:</div><br \
class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div dir="ltr" \
class=""><div class="">Taken from QDate.toString (<a \
href="https://doc.qt.io/qt-5/qdate.html#toString-1" \
class="">https://doc.qt.io/qt-5/qdate.html#toString-1</a>):</div><div dir="ltr" class=""><br \
class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px \
solid rgb(204,204,204);padding-left:1ex">If the format is Qt::SystemLocaleShortDate or \
Qt::SystemLocaleLongDate, the string format depends on the locale settings of the \
system. </blockquote><div class=""><br class=""></div><div class="">It completely depends \
on how the system "tells" what is the date format.</div><div class="">Apparently, Windows \
defaults to 4 digits for your localization, while it's set to 2 for Linux.<br class="">You can \
change them in both systems: in Windows it's on the regional settings, while on Linux it \
depends on your distro/window manager/etc.</div></div></div></div></blockquote><div><br \
class=""></div><div>I think you will find it depends on glibc's localisation \
database.</div><div>I would be surprised if distro's patch that. Surprised not \
shocked.</div><div><br class=""></div><div>If GUI tool kits have code to do this as well it is \
possible that</div><div>command line (Glibc) programs give different answer then \
GUI's.</div><div><br class=""></div><div>Barry</div><div><br class=""></div><br \
class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" \
class=""><div class=""><br class=""></div><div class="">Maurizio</div></div></div><br \
class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno mer 11 mar 2020 \
alle ore 19:19 Sibylle Koczian <<a href="mailto:nulla.epistola@web.de" \
class="">nulla.epistola@web.de</a>> ha scritto:<br class=""></div><blockquote \
class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex">Hello,<br class=""> <br class="">
on Windows SystemLocaleShortDate gives 'dd.MM.yyyy', quite correct for<br class="">
locale de-DE.<br class="">
<br class="">
On Linux (at least on ArchLinux, I didn't try other distributions) it<br class="">
gives 'dd.MM.yy' with the same locale.<br class="">
<br class="">
The documentation calls SystemLocaleShortDate "The short format used by<br class="">
the operating system". But the locale's date representation as given by<br class="">
"date +%x" in the Linux terminal shows the date as it should be,<br class="">
including the century.<br class="">
<br class="">
Why the difference?<br class="">
<br class="">
It is especially annoying with dates from this year in a QTableView: I<br class="">
always try to drag the date column wider which doesn't help.<br class="">
<br class="">
Looking for explanations,<br class="">
Sibylle<br class="">
_______________________________________________<br class="">
PyQt mailing list <a href="mailto:PyQt@riverbankcomputing.com" target="_blank" \
class="">PyQt@riverbankcomputing.com</a><br class=""> <a \
href="https://www.riverbankcomputing.com/mailman/listinfo/pyqt" rel="noreferrer" \
target="_blank" class="">https://www.riverbankcomputing.com/mailman/listinfo/pyqt</a><br \
class=""> </blockquote></div><br clear="all" class=""><div class=""><br class=""></div>-- <br \
class=""><div dir="ltr" class="gmail_signature">È difficile avere una convinzione precisa \
quando si parla delle ragioni del cuore. - "Sostiene Pereira", Antonio Tabucchi<br class=""><a \
href="http://www.jidesk.net/" target="_blank" class="">http://www.jidesk.net</a></div> \
_______________________________________________<br class="">PyQt mailing list \
<a href="mailto:PyQt@riverbankcomputing.com" \
class="">PyQt@riverbankcomputing.com</a><br class=""><a \
href="https://www.riverbankcomputing.com/mailman/listinfo/pyqt" \
class="">https://www.riverbankcomputing.com/mailman/listinfo/pyqt</a><br \
class=""></div></blockquote></div><br class=""></body></html>
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