[python-win32] high cpu usage in wxPython with Twisted

marchew darek at tiger.com.pl
Mon Jul 19 19:35:40 CEST 2004


hi,

  i have a problem integrating wxPython and Twisted under Win32. my
  application consumes 40-50% of CPU resources when wxFrame is visible and reactor
  (twisted) is running. i looked at integration example which comes with twisted
  package and figured that it also has that problem. here comes listing:

  PYTHON_HOME\Lib\site-packages\TwistedDocs\examples\wxdemo.py

#----------------------------------------------------------------
from wxPython.wx import *

from twisted.internet import wxreactor
wxreactor.install()
from twisted.internet import reactor


# set up so that "hello, world" is printed once a second
def helloWorld():
    print "hello, world"
    reactor.callLater(1, helloWorld)
reactor.callLater(1, helloWorld)

def twoSecondsPassed():
    print "two seconds passed"

reactor.callLater(2, twoSecondsPassed)

ID_EXIT  = 101

class MyFrame(wxFrame):
    def __init__(self, parent, ID, title):
        wxFrame.__init__(self, parent, ID, title, wxDefaultPosition, wxSize(300, 200))
        menu = wxMenu()
        menu.Append(ID_EXIT, "E&xit", "Terminate the program")
        menuBar = wxMenuBar()
        menuBar.Append(menu, "&File");
        self.SetMenuBar(menuBar)
        EVT_MENU(self, ID_EXIT,  self.DoExit)

    def DoExit(self, event):
        self.Close(true)
        reactor.stop()
        
class MyApp(wxApp):

    def OnInit(self):
        frame = MyFrame(NULL, -1, "Hello, world")
        frame.Show(true)
        self.SetTopWindow(frame)
        return true


def demo():
    app = MyApp(0)
    reactor.registerWxApp(app)
    reactor.run(0)


if __name__ == '__main__':
    demo()
#----------------------------------------------------------------

  can You help me? has anyone encountered similar problem?
    
--  
 marchew     mailto:darek at tiger.com.pl
--




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