[PyQt] Feature request: 'del app' automatically

[BPL]

Phil,

I've upgraded from PyQt5-5.13.0 to PyQt5-5.13.1 using pip and the clipboard
issue is still there... aren't the commit 2f419c7ebaae changes living in
the latest pypi wheel?

On Tue, Aug 13, 2019 at 11:48 PM BPL <spscener84 at gmail.com> wrote:

> Oh! I didn't know this was already living in the dev branch :O , by any
> chance... is it the commit `2f419c7ebaae`? If that's so, that's great
> news! can't wait to try, this bug was really nasty and a lot of times when
> testing apps I ended up losing a lot of clipboard information.
>
> Anyway, considering `5.13.1` is being released
> <https://wiki.qt.io/Qt_5.13_Release> in 15.08.2019 and probably an
> official new wheel will be uploaded to pypi after that I think I'll wait.
> Wow, this new release will contain a lot
> of interesting bug fixes... really a major one in my book :)
>
> Thanks Phil!!!
>
> On Tue, Aug 13, 2019 at 11:10 PM Phil Thompson <
> phil at riverbankcomputing.com> wrote:
>
>> On 13/08/2019 19:33, BPL wrote:
>> > Phil,
>> >
>> > A while ago I'd posted you a bug that happened when copying content to
>> > the
>> > clipboard and the information copied being lost when exiting the app...
>> > at
>> > that time you'd provided a fast hack that "solved" the issue, let me
>> > bring
>> > back your answer here at that time:
>> >
>> > Ok I can now reproduce the problem. It also happens with C++ when the
>> >> QApplication is created on the heap and not explicitly destroyed.
>> >> The workaround in your test is to 'del app' at the end of the script.
>> >> Tonight's PyQt snapshot adds support for using QCoreApplication (and
>> >> sub-classes) as a context manager which calls the C++ dtor when
>> >> exiting
>> >> the context. So...
>> >> with QApplication([]) as app:
>> >>      ....
>> >>      app->exec()
>> >> Phil
>> >
>> >
>> > Thing is, in pyside2 you don't need to use any context manager to
>> > provide
>> > clipboard reliable behaviour so my question is, how hard would be for
>> > you
>> > to fix this issue properly without forcing the user to use this context
>> > manager at all?
>> >
>> > Asking cos I have apps where everything is a plugin, even QApplication
>> > &
>> > subclasses are just plugins so I don't even know how or when they'll be
>> > instantiated... being forced to use this context manager is really
>> > inconvenient and ugly in many cases (not just mine) so having a
>> > reliable
>> > behaviour of the clipboard without these context managers like pyside2
>> > would be awesome!!! :)
>>
>> Try the current sip and PyQt5 snapshots.
>>
>> Phil
>>
>
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