python通过Tkinter显示网络图片详解编程语言

''' tk_image_view_url_io.py 
display an image from a URL using Tkinter, PIL and data_stream 
tested with Python27 and Python33  by  vegaseat  01mar2013 
''' 
  
import io 
# allows for image formats other than gif 
from PIL import Image, ImageTk 
try: 
    # Python2 
    import Tkinter as tk 
    from urllib2 import urlopen 
except ImportError: 
    # Python3 
    import tkinter as tk 
    from urllib.request import urlopen 
  
root = tk.Tk() 
  
# find yourself a picture on an internet web page you like 
# (right click on the picture, under properties copy the address) 
#url = "http://www.google.com/intl/en/images/logo.gif" 
# or use image previously downloaded to tinypic.com 
#url = "http://i48.tinypic.com/w6sjn6.jpg" 
url = "http://i50.tinypic.com/34g8vo5.jpg" 
  
image_bytes = urlopen(url).read() 
# internal data file 
data_stream = io.BytesIO(image_bytes) 
# open as a PIL image object 
pil_image = Image.open(data_stream) 
  
# optionally show image info 
# get the size of the image 
w, h = pil_image.size 
# split off image file name 
fname = url.split('/')[-1] 
sf = "{} ({}x{})".format(fname, w, h) 
root.title(sf) 
  
# convert PIL image object to Tkinter PhotoImage object 
tk_image = ImageTk.PhotoImage(pil_image) 
  
# put the image on a typical widget 
label = tk.Label(root, image=tk_image, bg='brown') 
label.pack(padx=5, pady=5) 
  
root.mainloop()