python wx加载进度条，线程执行

import time
import wx
from threading import Thread
from pubsub import pub

#pip install pypubsub
class TestThread(Thread):
    def __init__(self):
        # 线程实例化时立即启动
        Thread.__init__(self)
        self.start()

    def run(self):
        # 线程执行的代码
        for i in range(101):
            time.sleep(0.03)
            wx.CallAfter(pub.sendMessage, "update", msg=i)
            time.sleep(0.5)

class MyForm(wx.Frame):
    def __init__(self, parent):
        wx.Frame.__init__(self, parent, id=wx.ID_ANY, title="www.OmegaXYZ.com", pos=wx.DefaultPosition,
                          size=wx.Size(-1, -1), style=wx.DEFAULT_FRAME_STYLE | wx.TAB_TRAVERSAL)
        self.SetSizeHints(wx.DefaultSize, wx.DefaultSize)
        gSizer2 = wx.GridSizer(0, 3, 0, 0)
        self.m_button2 = wx.Button(self, wx.ID_ANY, "执行线程", wx.DefaultPosition, wx.DefaultSize, 0)
        gSizer2.Add(self.m_button2, 0, wx.ALL | wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_CENTER_VERTICAL, 5)
        self.m_staticText2 = wx.StaticText(self, wx.ID_ANY, "MyLabel", wx.DefaultPosition, wx.DefaultSize, 0)
        self.m_staticText2.Wrap(-1)
        gSizer2.Add(self.m_staticText2, 0, wx.ALL | wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_CENTER_VERTICAL, 5)
        self.m_gauge1 = wx.Gauge(self, wx.ID_ANY, 100, wx.DefaultPosition, wx.DefaultSize, wx.GA_HORIZONTAL)
        self.m_gauge1.SetValue(0)
        gSizer2.Add(self.m_gauge1, 0, wx.ALL | wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_CENTER_VERTICAL, 5)
        self.SetSizer(gSizer2)
        self.Layout()
        gSizer2.Fit(self)
        self.Centre(wx.BOTH)
        """绑定事件"""
        self.m_button2.Bind(wx.EVT_BUTTON, self.onButton)

        pub.subscribe(self.updateDisplay, "update")

    def updateDisplay(self, msg):
        t = msg
        if isinstance(t, int):  # 如果是数字，说明线程正在执行，显示数字
            self.m_staticText2.SetLabel("%s%%" % t)
            self.m_gauge1.SetValue(t)
        else:  # 否则线程未执行，将按钮重新开启
            self.m_staticText2.SetLabel("%s" % t)
            self.m_button2.Enable()

    def onButton(self, event):
        TestThread()
        self.m_staticText2.SetLabel("线程开始")
        event.GetEventObject().Disable()


if __name__ == "__main__":
    app = wx.App()
    MyForm(None).Show()
    app.MainLoop()