window_close_maya2018.py

## -*- coding: utf-8 -*-
#*----------------------------------------------*#
# 各種モジュール読み込み
#*----------------------------------------------*#

from PySide2.QtWidgets import *
from PySide2.QtGui import *
from PySide2.QtCore import *

from maya import OpenMayaUI as omUI
import shiboken2 as shiboken

#*----------------------------------------------*#
# MAIN
#*----------------------------------------------*#
def getMayaWindow():

    """
    Get the main Maya window as a QtGui.QMainWindow instance
    @return: QtGui.QMainWindow instance of the top level Maya windows
    """
    ptr = omUI.MQtUtil.mainWindow()
    if ptr is not None:
        return shiboken.wrapInstance(long(ptr), QMainWindow)

class testUI(QDialog):

    def __init__(self):
        super(testUI,self).__init__(getMayaWindow())
        
        [x.close() for x in self.parent().findChildren(self.__class__)]

        btn    = QPushButton("Hello World")
        layout = QVBoxLayout()
        
        layout.addWidget(btn)
        self.setLayout(layout)
        
def main():
        
    win = testUI()
    win.show()
    
main()