Python使用HTMLParser.HTMLParser处理网页

# -*- coding:utf-8 -*-
# file: GetImage.py
#
import Tkinter
import urllib
import HTMLParser
class MyHTMLParser(HTMLParser.HTMLParser):                                              # 创建HTML解析类
        def __init__(self):
                HTMLParser.HTMLParser.__init__(self)
                self.gifs = []                                                          # 创建列表，保存gif
                self.jpgs = []                                                          # 创建列表，保存jpg
        def handle_starttag(self, tags, attrs):                                         # 处理起始标记
                if tags == 'img':                                                       # 处理图片
                        for attr in attrs:
                                for t in attr:
                                        if 'gif' in t:
                                                self.gifs.append(t)                     # 添加到gif列表
                                        elif 'jpg' in t:
                                                self.jpgs.append(t)                     # 添加到jpg列表
                                        else:
                                                pass
        def get_gifs(self):                                                             # 返回gif列表
                return self.gifs
        def get_jpgs(self):                                                             # 返回jpg列表
                return self.jpgs
class Window:
        def __init__(self, root):
                self.root = root                                                        # 创建组件
                self.label = Tkinter.Label(root, text = '输入URL:')
                self.label.place(x = 5, y = 15)
                self.entryUrl = Tkinter.Entry(root,width = 30) 
                self.entryUrl.place(x = 65, y = 15)
                self.get = Tkinter.Button(root, 
                                text = '获取图片', command = self.Get)
                self.get.place(x = 280, y = 15)
                self.edit = Tkinter.Text(root,width = 470,height = 600)
                self.edit.place(y = 50)
        def Get(self):
                url = self.entryUrl.get()                                               # 获取URL
                page = urllib.urlopen(url)                                              # 打开URL
                data = page.read()                                                      # 读取URL内容
                parser = MyHTMLParser()                                                 # 生成实例对象
                parser.feed(data)                                                       # 处理HTML数据
                self.edit.insert(Tkinter.END, '====GIF====\n')                          # 输出数据
                gifs = parser.get_gifs()
                for gif in gifs:
                        self.edit.insert(Tkinter.END, gif + '\n')
                self.edit.insert(Tkinter.END, '===========\n')
                self.edit.insert(Tkinter.END, '====JPG====\n')
                jpgs = parser.get_jpgs()
                for jpg in jpgs:
                        self.edit.insert(Tkinter.END, jpg + '\n')
                self.edit.insert(Tkinter.END, '===========\n')
                page.close()
root = Tkinter.Tk()
window = Window(root)
root.minsize(600,480)
root.mainloop()

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