wxpython与线程池

#-*- coding: UTF-8 -*-



import Queue

import threading

import urllib2

import wx



hosts = ["http://yahoo.com", "http://google.com", "http://amazon.com",

"http://ibm.com", "http://apple.com"]



queue = Queue.Queue()

text_1 = []

text_2 = []

j = 0

for i in hosts:

    text_1.append('self.txt1_%d'%j)

    text_2.append('self.txt2_%d'%j)



class TestFrame(wx.Frame):

  def __init__(self):

    wx.Frame.__init__(self, None, -1, "编辑器")

    self.panel = wx.ScrolledWindow(self, -1, style=wx.VSCROLL)

    self.panel.SetScrollbars(1, 1, 1, 300)

    sizer = wx.GridBagSizer()

    j = 0

    for i in hosts:

        text_1[j] = wx.TextCtrl(self.panel, -1,"", size=(180,20))

        text_2[j] = wx.TextCtrl(self.panel, -1,"",

                                style=wx.TE_MULTILINE|wx.TE_RICH2, size=(180,90))

        sizer.Add(text_1[j], pos=( 2*j, 0 ))

        sizer.Add(text_2[j], pos=( 2*j + 1, 0 ))

        j = j + 1

    self.panel.SetSizer(sizer)

    self.panel.Fit()

    main()

  def Message(self, text): # 写到这里我就不知道怎么办了:(

                           # 目的是将线程池产生的head, html在text_1[0], text_1[1], text_2[0], text_2[1]

                           # 中显示出来.当然如果您有更好的办法可以说说:)      





class ThreadUrl(threading.Thread):

    """Threaded Url Grab"""

    def __init__(self, queue, window):

        threading.Thread.__init__(self)

        self.queue = queue

        self.window = window



    def run(self):

        while True:

            #grabs host from queue

            host = self.queue.get()

  

            #grabs urls of hosts and prints first 1024 bytes of page

            url = urllib2.urlopen(host)

            head = url.read(1024)

            html = url.read()

  

            #signals to queue job is done

            self.queue.task_done()

            wx.CallAfter(self.window.Message, head, html) #通过CallAfter将head, html传入text1, text2



def main():

    #spawn a pool of threads, and pass them queue instance 

    for i in range(5):

        t = ThreadUrl(queue)

        t.setDaemon(True)

        t.start()

    

    #populate queue with data

    for host in hosts:

        queue.put(host)

 

    #wait on the queue until everything has been processed

    queue.join()



app = wx.PySimpleApp()

TestFrame().Show()

app.MainLoop()