python小图形界面程序

#coding:utf-8 from Imaging.PIL import Image from Imaging.PIL.Image import Image from Tkinter import PhotoImage, Button import os import shutil import urllib import urllib2,cStringIO class ButtonFunction: def __init__(self,addressEntry,bottomFrame): self.addressEntry = addressEntry self.bottomFrame=bottomFrame # 获取整个网页里所有img元素的地址集 def geturlContent(self,temp): self.url=self.addressEntry.get() # 一下两行代码用于模拟浏览器发送的请求，骗过禁止网络爬虫 __headers = {'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'} __req = urllib2.Request(self.url,headers = __headers) self.urlContent=urllib2.urlopen(__req).read() self.index=0 i=0 self.imgStrs=[] self.imgUrls=[] self.filenames=[] while True: self.index = self.urlContent.find("<img",self.index) if self.index == -1: break self.start=self.index self.index=self.index + 1 self.index = self.urlContent.find(">",self.index) self.end=self.index self.index=self.index + 1 tempStr=self.urlContent[self.start:self.end + 1] self.imgStrs.append(tempStr) # os.removedirs("temp") for j in range(len(self.imgStrs)): #print self.imgStrs[j] #print self.getUrl(self.imgStrs[j]) __imgUrl=self.getUrl(self.imgStrs[j]) # print __imgUrl if self.isPic(__imgUrl): self.imgUrls.append(__imgUrl) self.saveImg() self.addimg() return self.imgUrls # 获取img元素里图片的地址 def getUrl(self,str): start=str.find("src=\"") end=str.find("\"",start + 5) return str[start+5:end] def addimg(self): for i in range(len(self.filenames)): # self.label=Label(self.bottomFrame,image=os.getcwd()+"\\temp\\"+self.filenames[i]) # file=os.getcwd()+"\\temp\\"+self.filenames[i] # image=Image() # # try: # img = image.open(file) # except Exception as a: # print "occur an exception" # print a self.button=Button(self.bottomFrame,text=self.filenames[i]) self.button.pack(expand=0,side="top") # 保存获取到的所有图片到临时目录 def saveImg(self): if os.path.exists("./temp"): # 删除非空目录 shutil.rmtree("./temp") os.mkdir("./temp") for i in range(len(self.imgUrls)): filename = self.getPicName(i) self.filenames.append(filename) print filename path= os.path.join(os.getcwd()+"/temp",filename) urllib.urlretrieve(self.imgUrls[i] ,path) # 判断是否为jpg或png图片 def isPic(self,str): if str.find("http") >= 0: if str[len(str)-10:len(str)].find("jpg") >= 0 or str[len(str)-10:len(str)].find("png") >= 0: # print str[len(str)-3:len(str)]+"-----------" return True else: # print str[len(str)-10:len(str)].find("jpg") return False # 获取图片名 def getPicName(self,i): start=self.imgUrls[i].rfind("/") end=self.imgUrls[i].rfind(".") filename=self.imgUrls[i][start+1:end+4] return filename