wxPython使用Publisher实现进度条

import time
import wx
from threading import Thread
from wx.lib.pubsub import Publisher

class ParseMML():
    souceFile=''
    targetFile=''
    progressNum=0

    def __init__(self):
        pass

    def run(self):
        for i in range(0,101,10):
            time.sleep(1)
            ParseMML.progressNum=i
            print(i)

########################################################################
class TestThread(Thread):
    """Test Worker Thread Class."""
    #----------------------------------------------------------------------
    def __init__(self):
        """Init Worker Thread Class."""
        Thread.__init__(self)
        self.start()    # start the thread
    #----------------------------------------------------------------------
    def run(self):
        """Run Worker Thread."""
        # This is the code executing in the new thread.
        Thread(target=ParseMML().run).start()
        currentPro=0
        while True:
            pro = ParseMML.progressNum
            time.sleep(1)
            if pro==100:
                break
            if pro>currentPro and pro <100:
                wx.CallAfter(Publisher().sendMessage, "update", pro)
                currentPro=pro
        wx.CallAfter(Publisher().sendMessage, "update", 100)
        wx.MessageBox("Done...", "message", wx.OK)

########################################################################
class MyProgressDialog(wx.Dialog):
    """"""
    #----------------------------------------------------------------------
    def __init__(self):
        """Constructor"""
        wx.Dialog.__init__(self, None, title="Progress",size=(250,50))
        self.count = 0
        self.progress = wx.Gauge(self, range=100,size=(250,50))
        sizer = wx.BoxSizer(wx.VERTICAL)

        sizer.Add(self.progress, 0,wx.BOTTOM|wx.ALIGN_CENTER_VERTICAL,0)
        self.SetSizer(sizer)
        # create a pubsub listener
        Publisher().subscribe(self.updateProgress, "update")
    #----------------------------------------------------------------------
    def updateProgress(self, msg):
        """
        Update the progress bar
        """
        self.count = msg.data
        if self.count >= 100:
            self.Destroy()

        self.progress.SetValue(self.count)

########################################################################
class MyFrame(wx.Frame):
    #----------------------------------------------------------------------
    def __init__(self):
        wx.Frame.__init__(self, None, title="Progress Bar ...")
        # Add a panel so it looks the correct on all platforms
        panel = wx.Panel(self, wx.ID_ANY)
        self.btn = btn = wx.Button(panel, label="Start Thread")
        btn.Bind(wx.EVT_BUTTON, self.onButton)
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(btn, 0, wx.ALL|wx.CENTER, 5)
        panel.SetSizer(sizer)
    #----------------------------------------------------------------------
    def onButton(self, event):
        """
        Runs the thread
        """
        btn = event.GetEventObject()
        btn.Disable()
        TestThread()
        dlg = MyProgressDialog()
        dlg.ShowModal()
        btn.Enable()
#----------------------------------------------------------------------
# Run the program
if __name__ == "__main__":
    app = wx.App(False)
    frame = MyFrame()
    frame.Show()
    app.MainLoop()