Das deutsche Python-Forum

Code: Alles auswählen

#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-

import Tkinter
import threading
import Queue
import win32com.client
import pythoncom
import time



#----------------------------------------------------------------------
class MeinProzessor(threading.Thread):
    
    #----------------------------------------------------------------------
    def __init__(self, q):
        
        threading.Thread.__init__(self)
        self.q = q
        self.cancel = False


    #----------------------------------------------------------------------    
    def run(self):

        pythoncom.CoInitialize()
        try:
            strComputer = "."
            objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator")
            objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2")
    
            while True:
                if self.cancel:
                    break

                colItems = objSWbemServices.ExecQuery("Select * from Win32_Processor")
                s = ""
                for id, objItem in enumerate(colItems):
                    s += "CPU %s: %s %%\n" % (id, objItem.LoadPercentage)
                self.q.put(s)

                print s

                time.sleep(2)
        finally:
            try:
                pythoncom.CoUninitialize()
            except:
                pass


    #----------------------------------------------------------------------
    def stop(self):
        self.cancel = True


#----------------------------------------------------------------------
class MeinFenster(Tkinter.Tk, threading.Thread):
    
    #----------------------------------------------------------------------
    def __init__(self, q):
        Tkinter.Tk.__init__(self)
        threading.Thread.__init__(self)
        
        self.q = q
        
        self.frame = Tkinter.Frame(self, width = 200)
        self.frame.pack()
        
        self.label1 = Tkinter.Label(
            self, 
            font = ("Arial", "14"), 
            text = "Prozessorauslastung"
        )
        self.label1.pack(expand = True)
        
        self.label2 = Tkinter.Label(
            self, 
            font = ("Arial", "12"), 
            text = "[]"
        )
        self.label2.pack(expand = True)
        
    
    #----------------------------------------------------------------------
    def run(self):

        pythoncom.CoInitialize()
        try:
            while True:
                value = self.q.get()
                if value == "quit":
                    break
                else:
                    self.label2.config(text = value)
        finally:
            try:
                pythoncom.CoUninitialize()
            except:
                pass
            
    
    #----------------------------------------------------------------------
    def stop(self):
        self.q.put("quit")
   


#----------------------------------------------------------------------
def main():
    
    q = Queue.Queue()
    
    mf = MeinFenster(q)
    proc = MeinProzessor(q)

    mf.start()
    proc.start()
    
    mf.mainloop()
    
    proc.stop()
    mf.stop()
    
    print "Ende"


#----------------------------------------------------------------------
if __name__ == "__main__":
    main()