gistfile1.py

#!/usr/bin/env python

import subprocess
import threading
import wx

class Okno(wx.Frame):

    def __init__(self):        
        wx.Frame.__init__(self, None, -1, "Test", size=(600, 80))
        self.panel = wx.Panel(self, -1)
        self.btn = wx.Button(self.panel, -1, "Generuj ISO!", size=(200, 45))
        self.Bind(wx.EVT_BUTTON, self.start, self.btn)
        self.progressBar = wx.Gauge(self.panel, -1, size=(350, 15), pos=(0, 25))
        self.sizer = wx.BoxSizer(wx.VERTICAL)
        self.sizer.Add(self.btn, 0, wx.ALIGN_RIGHT, 1)
        self.sizer.Add(self.progressBar, 0, wx.ALIGN_LEFT, 1)
        self.panel.SetSizer(self.sizer)        
        
    def start(self, event):
        bar = threading.Thread(target=self.runm)
        bar.start()

    def runm (self):
        process = subprocess.Popen(['/opt/schily/bin/mkisofs', '-v', '--gui', '-o', 'output.iso', '_test'], stderr=subprocess.PIPE)
        wx.CallAfter(self.update_progress, 0)

        while True:
            data = process.stderr.readline()            
            if data == '': break
            token = data.split()[0]

            if token[-1] != '%': continue

            try:
                wx.CallAfter( self.update_progress, float(token[:-1]) )
            except ValueError:
                # ignoruj linie nie dotyczace postepu
                pass        
        wx.CallAfter(self.update_progress, 100)

    def update_progress(self, value):
        self.progressBar.SetValue(value)
        if value < 100:
            self.SetTitle("Postep: %d%%" % value)
        else:
            self.SetTitle("Zrobiono !!!")


class Aplikacja (wx.App):

    def OnInit(self):
        ramka = Okno()
        self.SetTopWindow(ramka)
        ramka.Show()
        return True


if __name__ == '__main__':    
    app = Aplikacja(redirect=False)
    app.MainLoop()