#!/usr/bin/python
# coding:utf-8

from Tkinter import *


class Application(Frame):

    def __init__(self, master=None):
        Frame.__init__(self, master)
        self.pack()
        self.createWidgets()

    def createWidgets(self):
        self.helloLabel = Label(self, text='Hello, world!')
        self.helloLabel.pack()
        self.quitButton = Button(self, text='Quit', command=self.quit)
        self.quitButton.pack()

app = Application()
# 设置窗口标题:
app.master.title('Hello World')
# 主消息循环:
app.mainloop()


#!/usr/bin/env python
# -*- coding: utf-8 -*-

'a socket example which get html data from www.sina.com.cn'

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 建立连接:
s.connect(('www.sina.com.cn', 80))
# 发送数据:
s.send('GET / HTTP/1.1\r\nHost: www.sina.com.cn\r\nConnection: close\r\n\r\n')
# 接收数据:
buffer = []
while True:
    # 每次最多接收1k字节:
    d = s.recv(1024)
    if d:
        buffer.append(d)
    else:
        break
data = ''.join(buffer)
# 关闭连接:
s.close()

header, html = data.split('\r\n\r\n', 1)
print header
# 把接收的数据写入文件:
with open('sina.html', 'wb') as f:
    f.write(html)
