Block Slicer shortcuts except specific ones

slicer_shortcut_blocker.py

class CustomAppShortcutBlocker(qt.QObject):

    def eventFilter(self, object, event):
        """
        Custom event filter for allowing only specific shortcuts.
        """
        # See https://doc.qt.io/qt-5/qkeyevent.html#details
        if event.type() == qt.QEvent.Shortcut:
            # Only allow showing/hiding "Error log"
            if event.key() == qt.QKeySequence("Ctrl+0"):
                return False
            return True
        if event.type() == qt.QEvent.ShortcutOverride:
            return True
        return False


shortcutBlocker = CustomAppShortcutBlocker()

slicer.app.installEventFilter(shortcutBlocker)