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Details

Type: Bug
Resolution: Fixed
Priority: P2: Important
Fix Version/s: 6.8.1, 6.8.0.1
Affects Version/s: 6.8.0, 6.8.0.1
Component/s: PySide
Labels:
None

Platform/s:

Linux/Wayland, Windows
Commits:
e7c2b6ea1 (dev), ca28f2c82 (6.8), 588b84490 (6.8.0), bb213a175 (tqtc/6.8.0)

Description

Up to 6.7.3, exceptions called sys.excepthook immediately. From 6.8.0, sys.excepthook is called with (sometimes very long) delay.

The following code illustrates that. In 6.7.3, the window opens and a message box is shown immedietaly. In 6.8.0(.1), the window opens and hangs. Only when you close the window do you see the message box.

import sys

from PySide6.QtCore import QTimer, Slot
from PySide6.QtWidgets import QApplication, QMainWindow, QMessageBox

class Window(QMainWindow):
    def __init__(self):
        super().__init__()
        self.show()
        sys.excepthook = self.excepthook
        QTimer().singleShot(500, self.raise_)

    def excepthook(self, *_):
        QMessageBox.critical(self, "Error", "Error")
        sys.exit()

    @Slot()
    @staticmethod
    def raise_():
        print("RuntimeError")
        raise RuntimeError

app = QApplication()
window = Window()
sys.exit(QApplication.exec())