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Details

Type: Bug
Resolution: Fixed
Priority: P1: Critical
Fix Version/s: 6.5.4, 6.6.2, 6.7.0
Affects Version/s: 6.6.0
Component/s: PySide
Labels:
None
Environment:
Raspberry Pi 4 with current Raspberry Pi OS

Platform/s:

Linux/Wayland, Linux/X11
Commits:
fd5916f44 (dev), 3ed9edc1a (6.6), fc83b59d6 (tqtc/lts-6.5)

Description

PySide6.QtDBus.QDBusVariant.variant() call crashes Python, I think because it returns QVariant which does not exist as datatype:

https://wiki.qt.io/Differences_Between_PySide_and_PyQt#PySide_only_supports_PyQt's_%22API_2%22_(PSEP_101)

It should return a native type, but it simply crashes...

Here is the code:

service = "org.mpris.MediaPlayer2.spotifyd.instance896" path = "/org/mpris/MediaPlayer2" iface = "org.mpris.MediaPlayer2.Player" ifaceprops = "org.freedesktop.DBus.Properties" smp = QtDBus.QDBusInterface(service, path, interface=ifaceprops, connection=QtDBus.QDBusConnection.systemBus()) msg = smp.call("Get", iface, "Volume") result1 = msg.arguments()[0] v1 = result1.variant()

QDBus_DEBUG output looks ok:

QDBusConnectionPrivate(0x7f8400ed00) sending message: QDBusMessage(type=MethodCall, service="org.mpris.MediaPlayer2.spotifyd.instance896", path="/org/mpris/MediaPlayer2", interface="org.freedesktop.DBus.Properties", member="Get", signature="", contents=("org.mpris.MediaPlayer2.Player", "Volume") )
QDBusConnectionPrivate(0x7f8400ed00) got message reply: QDBusMessage(type=MethodReturn, service=":1.111", signature="v", contents=([Variant(double): 34]) )