#!/usr/bin/env python # -*- coding: utf-8 -*- ''' Created on 2017年3月30日 @author: Irony."[讽刺] @site: https://pyqt5.com, https://github.com/892768447 @email: 892768447@qq.com @file: TestQSharedMemory @description: ''' from PyQt5.QtWidgets import QWidget from Application import SharedApplication # @UnresolvedImport __version__ = "0.0.1" class Widget(QWidget): def __init__(self,*args,**kwargs): super(Widget, self).__init__(*args,**kwargs) if __name__ == "__main__": import sys,os print(os.getpid()) app = SharedApplication(sys.argv) if app.isRunning(): print("app have already running") sys.exit(0) w = Widget() w.show() sys.exit(app.exec_())