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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2019年3月8日
@author: Irony
@site: https://pyqt.site , https://github.com/PyQt5
@email: 892768447@qq.com
@file: Threading.QtThreading
@description:
"""
from threading import Thread
from time import sleep
try:
from PyQt5.QtCore import QObject, pyqtSignal, QTimer, Qt
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QProgressBar, QApplication
except ImportError:
from PySide2.QtCore import QObject, Signal as pyqtSignal, QTimer, Qt
from PySide2.QtWidgets import QWidget, QVBoxLayout, QProgressBar, QApplication
class _Signals(QObject):
updateProgress = pyqtSignal(int)
Signals = _Signals()
class UpdateThread(Thread):
def run(self):
self.i = 0
for i in range(101):
self.i += 1
Signals.updateProgress.emit(i)
sleep(1)
self.i = 0
Signals.updateProgress.emit(i)
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.resize(400, 400)
layout = QVBoxLayout(self)
self.progressBar = QProgressBar(self)
layout.addWidget(self.progressBar)
Signals.updateProgress.connect(
self.progressBar.setValue, type=Qt.QueuedConnection)
QTimer.singleShot(2000, self.doStart)
def doStart(self):
self.updateThread = UpdateThread(daemon=True)
self.updateThread.start()
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
w = Window()
w.show()
sys.exit(app.exec_())
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