# -*- coding: utf-8 -*-

import sys
from PyQt5.QtWidgets import QWidget, QApplication, QVBoxLayout, QPushButton


class MyWidget(QWidget):
	def __init__(self, parent=None):
		super(MyWidget, self).__init__(parent)
		self.setWindowTitle("block application")
		layout = QVBoxLayout(self)
		blockBtn = QPushButton("block process")
		layout.addWidget(blockBtn)

		blockBtn.clicked.connect(self.block)
		self.resize(300, 200)

	def block(self):
		import time
		while True:
			print(time.time())


if __name__ == '__main__':
	app = QApplication(sys.argv)
	widget = MyWidget()
	widget.show()
	app.exec_()