high cpu usage in wxPython with Twisted
Lonnie Princehouse
finite.automaton at gmail.com
Tue Jul 20 14:22:57 EDT 2004
Try profiling your program with hotshot. At least it should tell you
which functions are sucking up resources.
marchew <darek at tiger.com.pl> wrote in message news:<mailman.629.1090315050.5135.python-list at python.org>...
> 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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