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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from helper.usesqcoreapplication import UsesQCoreApplication
from PySide6.QtCore import QCoreApplication, QObject, QTimer, Signal, Slot
class Sender(QObject):
testSignal = Signal()
def emitSignal(self):
self.testSignal.emit()
class Receiver(QObject):
def __init__(self, parent=None):
super().__init__()
self._sender = None
self._slot_count = 0
@Slot()
def testSlot(self):
self._sender = self.sender()
self._slot_count += 1
class DerivedReceiver(Receiver):
pass
class TestSignalSender(UsesQCoreApplication):
"""Test PYSIDE-2144/1295, check that QObject::sender() works also if it is
routed via GlobalReceiverV2 in case of a non-C++ slot (Python callback,
as for derived classes)."""
def testSignalSender(self):
sender = Sender()
receiver = Receiver()
sender.testSignal.connect(receiver.testSlot)
derived_receiver = DerivedReceiver()
sender.testSignal.connect(derived_receiver.testSlot)
sender.emitSignal()
QTimer.singleShot(100, self.app.quit)
while derived_receiver._slot_count == 0:
QCoreApplication.processEvents()
self.assertEqual(receiver._sender, sender)
self.assertEqual(derived_receiver._sender, sender)
if __name__ == '__main__':
unittest.main()
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