OzanH

There are many ways to use threads with wxPython efficiently. One of them is using custom events and triggering them from threads. The Code below shows a simplified way to do it.
Note:Triggered event handler runs in the main thread.

multihreadingwxpy.py

#!/usr/bin/python
# encoding: utf-8
import threading
import time
import random
 
import wx
import wx.lib.newevent
 
ItemActivated, EVT_ITEM_ACTIVATED = wx.lib.newevent.NewEvent()
 
 
class WorkerThread(threading.Thread):
 
    def __init__(self, mypanel, range_):
        self.mypanel = mypanel
        self.range = range_
        threading.Thread.__init__(self)
 
    def run(self):
        count = 0
        while count < 5:
            time.sleep(1)
            wx.PostEvent(self.mypanel,
                         ItemActivated(data=random.randint(*self.range),
                                       thread=threading.current_thread()))
            count += 1
 
 
class MyPanel(wx.Panel):
 
    def __init__(self, parent):
        wx.Panel.__init__(self, parent, -1)
        self.sizer = wx.BoxSizer(wx.VERTICAL)
 
        worker_thread1 = WorkerThread(mypanel=self, range_=(1, 100))
        worker_thread1.daemon = True
        worker_thread2 = WorkerThread(mypanel=self, range_=(1000, 2000))
        worker_thread2.daemon = True
        worker_thread1.start()
        worker_thread2.start()
 
        self.mystatic_text = wx.StaticText(self, -1, label="In Main Thread")
        self.sizer.Add(self.mystatic_text)
        self.Bind(EVT_ITEM_ACTIVATED, self.on_item_activated)
 
        self.SetSizerAndFit(self.sizer)
 
    def on_item_activated(self, evt):
        old_label = self.mystatic_text.GetLabel()
 
        self.mystatic_text.SetLabel(old_label +
                                    "\n->Event Triggered From %s with data %s" %
                                    (evt.thread, evt.data))
 
 
if __name__ == "__main__":
    app = wx.App()
    frame = wx.Frame(None, title="wx.PostEvent Example with Threads",
                     size=(650, 400))
    MyPanel(frame)
    frame.CenterOnScreen()
    frame.Show()
    app.MainLoop()