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import sys
import time
from PyQt5.QtWidgets import (QApplication, QDialog,
QProgressBar, QPushButton)
TIME_LIMIT = 100
class Actions(QDialog):
"""
Simple dialog that consists of a Progress Bar and a Button.
Clicking on the button results in the start of a timer and
updates the progress bar.
"""
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setWindowTitle('Progress Bar')
self.progress = QProgressBar(self)
self.progress.setGeometry(0, 0, 300, 25)
self.progress.setMaximum(100)
self.button = QPushButton('Start', self)
self.button.move(0, 30)
self.show()
self.button.clicked.connect(self.onButtonClick)
def onButtonClick(self):
count = 0
while count < TIME_LIMIT:
count += 1
time.sleep(1)
self.progress.setValue(count)
if __name__ == "__main__":
app = QApplication(sys.argv)
window = Actions()
sys.exit(app.exec_())
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