I'm actually grateful that the original message is so concise,
otherwise I wouldn't look for a way to customise it. I don't think it's
worth arguing what kind of information should or shouldn't be included
there - situations and even tastes differ. On my development machine, I
have the following defined:
QT_MESSAGE_PATTERN=%{time h:mm:ss.zzz}|%{category}|%{if-
debug}D%{endif}%{if-info}I%{endif}%{if-warning}W%{endi
f}%{if-critical}C%{endif}%{if-fatal}F%{endif}|%{message}
See https://doc.qt.io/qt-6/qtlogging.html#qSetMessagePattern for
details. Whatever format you apply in this way will be followed by Qt
and (unless it overrides, which is unlikely) QGIS as well.
Alexey
On Sun, 2023-12-10 at 14:03 +0100, Thomas Larsen Wessel wrote:
> The documentation (https://doc.qt.io/qt-6/qtlogging.html) states:
>
> The default pattern is %{if-category}%{category}:
> %{endif}%{message}
>
> 1) In my limited experience most or all logging architectures print
> the type (aka. severity or criticality, e.g. warning, debug, info,
> etc.) by default.
>
> 2) And in my personal opinion it should be default to print this,
> since the severity is often just as important as the message itself,
> when the goal is to leave the user / log reader informed.
>
> Is there a good reason why the severity is left out of the default
> format?
>
> My current situation and motivation for writing:
>
> I have a number of Python scripts that rely on PyQGIS, which relies
> on Qt. They are part of a small software package that is distributed
> to a number of machines. Each of these scripts occasionally produce
> log messages via QtLogging, and they are all printed without any
> context (unless I set them up differently). Its not my code that
> calls QtWarning, etc., they are called from either QGIS or Qt.
>
> Here is an example.
>
> QStandardPaths: wrong permissions on runtime directory
> /run/user/1000/, 0755 instead of 0700
>
> When someone sees this warning, they don't know if this is an error
> or warning. They don't know if its severe enough that they should do
> something or just ignore this. IMHO there is no doubt it should be
> prefixed with "Warning", "WARN" or similar.
>
> So now I set a custom format in each of my scripts. That works of
> course. But IMHO it would make a whole lot of sense if the default
> format was changed to include the severity :)
>
> Sincerely
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