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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
"""
hello.py
--------
This simple script shows a label with changing "Hello World" messages.
It can be used directly as a script, but we use it also to automatically
test PyInstaller or Nuitka. See testing/wheel_tester.py .
When compiled with Nuitka or used with PyInstaller, it automatically
stops its execution after 2 seconds.
"""
import sys
import random
import platform
import time
from PySide6.QtWidgets import (QApplication, QLabel, QPushButton,
QVBoxLayout, QWidget)
from PySide6.QtCore import Slot, Qt, QTimer
is_compiled = "__compiled__" in globals() # Nuitka
auto_quit = "Nuitka" if is_compiled else "PyInst"
class MyWidget(QWidget):
def __init__(self):
super().__init__()
self.hello = ["Hallo Welt", "你好，世界", "Hei maailma",
"Hola Mundo", "Привет мир"]
self.button = QPushButton("Click me!")
self.text = QLabel(f"Hello World auto_quit={auto_quit}")
self.text.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.layout = QVBoxLayout()
self.layout.addWidget(self.text)
self.layout.addWidget(self.button)
self.setLayout(self.layout)
# Connecting the signal
self.button.clicked.connect(self.magic)
@Slot()
def magic(self):
self.text.setText(random.choice(self.hello))
if __name__ == "__main__":
print("Start of hello.py ", time.ctime())
print(" sys.version = ", sys.version.splitlines()[0])
# Nuitka and hence pyside6-deploy fails on Python versions <= 3.9
# when this module is used
if sys.version_info.minor > 9:
print(" platform.platform() = ", platform.platform())
app = QApplication()
widget = MyWidget()
widget.resize(800, 600)
widget.show()
if auto_quit:
milliseconds = 2 * 1000 # run 2 second
QTimer.singleShot(milliseconds, app.quit)
retcode = app.exec()
print("End of hello.py ", time.ctime())
sys.exit(retcode)
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