threading issue

hi,

i am using pygtk,glade in the front end and postgresql,python-twisted
(xmlrpc) as the back end.My issue is i am trying to add the progress bar in
my application but when the progress bar comes up it is blocking the backend
process.So i started using threading in my application.But when i added that
it is working but i am not able to destroy the window where the progress bar
is present, which is part of main window.
********************************************************************************************************
my code is
class ledger(threading.Thread):
    """This class sets the fraction of the progressbar"""

    #Thread event, stops the thread if it is set.
    stopthread = threading.Event()
 ......
    wTree = gtk.glade.XML('gnukhata/main_window.glade','window_progressbar')
    window = wTree.get_widget('window_progressbar')
    window.set_size_request(300,50)
    progressbar = wTree.get_widget('progressbar')
    #window.connect('destroy',self.main_quit)
    window.show_all()



    def run(self):
        """Run method, this is the code that runs while thread is alive."""

        #Importing the progressbar widget from the global scope
        #global progressbar
        course = True
        #While the stopthread event isn't setted, the thread keeps going on
        while course :
            # Acquiring the gtk global mutex
            gtk.gdk.threads_enter()
            #Setting a random value for the fraction
            l=0.1
            while l<1:
                self.progressbar.pulse()
                time.sleep(0.1)
                l=l+0.1


            queryParams = []
            res1=self.x.account.getAllAccountNamesByLedger(queryParams)
            for l in range(0,len(res1)):
               ;;;;;;;;;;;;;;;;;;
            # Releasing the gtk global mutex
            gtk.gdk.threads_leave()

            #Delaying 100ms until the next iteration
            time.sleep(0.1)
            course = False
        #gtk.main_quit()
        global fs
        print 'anu'
        #Stopping the thread and the gtk's main loop
        fs.stop()

        #window.destroy()

        self.ods.save("Ledger.ods")
        os.system("ooffice Ledger.ods")


    def stop(self):
        """Stop method, sets the event to terminate the thread's main
loop"""
        self.stopthread.set()

*********************************************************************************************************



njoy the share of freedom,
Anusha Kadambala

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