Source Code for Module nukescripts.pyQtAppUtils

 1  # Copyright (c) 2009 The Foundry Visionmongers Ltd.  All Rights Reserved. 
 2   
 3  import nuke 
 4  from nukescripts import pyAppUtils 
 5   
 6 -class pyQtAppHelper(pyAppUtils.pyAppHelper, nuke.FnPySingleton): 
 7    """ Helper class to initialise PySide2 in a separate thread """ 
 8   
 9 -  def __init__(self, argv = [], start = None): 
10      try: 
11        if self.__pyQtApp: pass 
12      except: 
13        super(pyQtAppHelper, self).__init__(start) 
14        self.__pyQtApp = None 
15   
16      if start: 
17        self.start(argv) 
18   
19   
20 -  def getApplication(self, argv): 
21      from PySide2 import QtCore, QtWidgets 
22       
23      if self.__pyQtApp is None: 
24        self.__pyQtApp = QtWidgets.QApplication.instance() 
25      return self.__pyQtApp 
26   
27   
28 -  def closeApplication(self): 
29      self.__pyQtApp = None 
30   
31   
32 -  def start(self, argv): 
33      super(pyQtAppHelper, self).initiate() 
34      self.run(self.getApplication, (argv,)) 
35   
36   
37 -  def stop(self): 
38      self.run(self.closeApplication) 
39      super(pyQtAppHelper, self).terminate() 
40