[PyQt] Feature request: 'del app' automatically
spscener84 at gmail.com
Tue Aug 13 22:48:37 BST 2019
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 :)
On Tue, Aug 13, 2019 at 11:10 PM Phil Thompson <phil at riverbankcomputing.com>
> 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.
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