wx+twisted http

gistfile1.py

import wx
from twisted.internet import wxreactor
wxreactor.install()
from twisted.internet import reactor
from twisted.web import client

ID_EXIT = 101
class MyFrame(wx.Frame):
    TIMER_ID = 1
    def __init__(self, parent, ID, title):
        wx.Frame.__init__(self, parent, ID, title,
                wx.DefaultPosition, wx.Size(300,200))
        menu = wx.Menu()
        menu.Append(ID_EXIT, "E&xit", "Terminate the program")
        menuBar = wx.MenuBar()
        menuBar.Append(menu, "&File");
        self.x = wx.StaticText(self, -1, '-')
        self.SetMenuBar(menuBar)
        wx.EVT_MENU(self, ID_EXIT,self.DoExit)

        self.timer = self.startTimer(self.TIMER_ID,self.OnUpdate,20000)
        self.CreateStatusBar()

        print "loading MyFrame"
        self.setStatusBar("start")


    def DoExit(self, event):
        self.Close(True)
        reactor.stop()

    def OnUpdate(self,event):
        d = client.getPage('http://twitter.com/statuses/public_timeline.json')
        d.addCallback(self.changeTxt)
        self.setStatusBar("start: getPage")
        
    def changeTxt(self, data):
        self.x.SetLabel(data)
        self.setStatusBar("end: getPage")

    def setStatusBar(self,str):
        sb = wx.GetApp().GetTopWindow().GetStatusBar()
        sb.SetStatusText(str)
        print "setStatusBar %s" %str

    def startTimer(self, timerID, func, span):
        timer = wx.Timer(self,timerID)
        wx.EVT_TIMER(self,timerID,func)
        timer.Start(span)
        return timer


class MyApp(wx.App):
    def __init__(self):
        wx.App.__init__(self, False)
        self.frame = MyFrame(None, -1, "Hello, world")
        self.frame.Show(True)
        self.SetTopWindow(self.frame)


def main():
    app = MyApp()
    reactor.registerWxApp(app)
    reactor.run()

if __name__ == "__main__":
    main()