Python-сообщество

import wx,os

class MainFrame(wx.Frame):
    def __init__(self, image,parent=None, id=-1):
        wx.Frame.__init__(self,parent,-1,size=(500,500),pos=(1200,0),title='Info Pannel',
                          style=(wx.DEFAULT_FRAME_STYLE | wx.FRAME_NO_TASKBAR | wx.RESIZE_BORDER)  ^ (wx.CAPTION))  
                         # ^ (wx.CAPTION)           
        #func()  
        f_path='/var/log/syslog'
        t_file=open(f_path,'r')
        info=t_file.read()
        self.cur_length = info
        self.prv_length = 0
        t_file.close()
        self.pnl = wx.Panel(self, -1, size=(500,500), style=wx.NO_BORDER)
        #pnl.SetBackgroundColour(wx.BLACK)
        #pnl.SetForegroundColour(wx.GREEN)
        self.vbox = wx.BoxSizer(wx.VERTICAL)
        self.st1 = wx.TextCtrl(self.pnl, -1, info, size=(500,500), style=wx.ALIGN_LEFT | wx.TE_MULTILINE | wx.TE_WORDWRAP | wx.TE_RICH2)
        color = wx.Color(192, 192, 192)
        self.st1.SetBackgroundColour("Yellow")
        self.st1.SetDefaultStyle(wx.TextAttr(color))
        #self.st1.SetValue(info)
        self.st1.SetInsertionPointEnd() #Прокручивает текст к последней строке
        self.vbox.Add(self.st1, -1, wx.EXPAND |  wx.TOP | wx.BOTTOM)
        self.pnl.SetSizer(self.vbox)
        
        self.timer = wx.Timer(self)
        self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer)
        self.timer.Start(1000)
     
    def OnTimer(self, evt):
		f_path='/var/log/syslog'
		t_file=open(f_path,'r')
		self.info=t_file.read()
		self.cur_length=len(self.info)
		t_file.close()
		
		if self.cur_length != self.prv_length:
			self.read_file()
			self.prv_length=self.cur_length
                        self.st1 = wx.TextCtrl(self.pnl, -1, self.info, size=(500,500), style=wx.ALIGN_LEFT | wx.TE_MULTILINE | wx.TE_WORDWRAP | wx.TE_RICH2)
                        self.st1.SetBackgroundColour("Yellow")
                        self.st1.SetInsertionPointEnd() #Не работает

        
class App(wx.App): 
    def OnInit(self):
        frame=MainFrame(None)
        frame.Show()
        return True

def main():
    app = App()
    app.MainLoop()
      
if __name__ == '__main__':
    main()

attr = self.st1.GetDefaultStyle()
....
self.st1.SetDefaultStyle(attr)

self.txtctrl.SetValue(...)
self.txtctrl.SetInsertionPointEnd()