wxpython redirect the text to the textctrl in real-time

wxpython redirect the text to the textctrl in real-time

wxpython how to redirect the text to the textctrl in real-time
I know how to redirect the text , but the textctrl show the text until the
process end, I want to show the text in real-time
import sys,time
import wx
class RedirectText(object):
def __init__(self,aWxTextCtrl):
self.out=aWxTextCtrl
def write(self,string):
self.out.WriteText(string)
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, wx.ID_ANY, "wxPython Redirect
Tutorial")
# Add a panel so it looks the correct on all platforms
panel = wx.Panel(self, wx.ID_ANY)
log = wx.TextCtrl(panel, wx.ID_ANY, size=(300,100),
style = wx.TE_MULTILINE|wx.TE_READONLY|wx.HSCROLL)
btn = wx.Button(panel, wx.ID_ANY, 'Push me!')
self.Bind(wx.EVT_BUTTON, self.onButton, btn)
# Add widgets to a sizer
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(log, 1, wx.ALL|wx.EXPAND, 5)
sizer.Add(btn, 0, wx.ALL|wx.CENTER, 5)
panel.SetSizer(sizer)
# redirect text here
redir=RedirectText(log)
sys.stdout=redir
def onButton(self, event):
print "You pressed the button!"
time.sleep(5)
print "======End====="
# Run the program
if __name__ == "__main__":
app = wx.PySimpleApp()
frame = MyForm().Show()
app.MainLoop()
can you give me a full example code. I need it.