example dombookmarks.py: Fix disconnection warning

Use a connection id instead of try-catch

Pick-to: 6.9 6.8
Change-Id: Ia76880a32df8fc6e415f056606c0df98fe772257
Reviewed-by: Ece Cinucen <[email protected]>
Reviewed-by: Shyamnath Premnadh <[email protected]>

1 files changed, 5 insertions, 6 deletions

diff --git a/examples/xml/dombookmarks/dombookmarks.py b/examples/xml/dombookmarks/dombookmarks.py
index f5afdeef8..4f778acbd 100644
--- a/examples/xml/dombookmarks/dombookmarks.py
+++ b/examples/xml/dombookmarks/dombookmarks.py
@@ -7,7 +7,7 @@ from __future__ import annotations
 
 import sys
 
-from PySide6.QtCore import QDir, QFile, Qt, QTextStream
+from PySide6.QtCore import QDir, QFile, QObject, Qt, QTextStream
 from PySide6.QtGui import QAction, QIcon, QKeySequence
 from PySide6.QtWidgets import (QApplication, QFileDialog, QHeaderView,
                                QMainWindow, QMessageBox, QStyle, QTreeWidget,
@@ -93,6 +93,7 @@ class XbelTree(QTreeWidget):
     def __init__(self, parent=None):
         super().__init__(parent)
 
+        self._update_conn_id = None
         self.header().setSectionResizeMode(QHeaderView.ResizeMode.Stretch)
         self.setHeaderLabels(("Title", "Location"))
 
@@ -131,17 +132,15 @@ class XbelTree(QTreeWidget):
         self.clear()
 
         # It might not be connected.
-        try:
-            self.itemChanged.disconnect(self.update_dom_element)
-        except RuntimeError:
-            pass
+        if self._update_conn_id:
+            QObject.disconnect(self._update_conn_id)
 
         child = root.firstChildElement('folder')
         while not child.isNull():
             self.parse_folder_element(child)
             child = child.nextSiblingElement('folder')
 
-        self.itemChanged.connect(self.update_dom_element)
+        self._update_conn_id = self.itemChanged.connect(self.update_dom_element)
 
         return True