Capture web images using Python [reprint]

ImgDownloaderimport win32com.client,time,win32inet,win32file,osclass ImgDownloader:    def __init__(self,url,dir):        self.__dir=dir        self.__ie=win32com.client.Dispatch('InternetExplorer.Application')        self.__ie.Navigate(url)        self.__wait__()    def __wait__(self):        while self.__ie.Busy:            time.sleep(0.1)    def start(self):        self.__wait__()        imgs=self.__ie.Document.getElementsByTagName('img')              for i in range(imgs.length):            try:                cachInfo=win32inet.GetUrlCacheEntryInfo(imgs[i].src)                if cachInfo:                    path=cachInfo['LocalFileName']                    pathinfo=path.split('\\')                    pathinfo.reverse()                    filename=('[%d]' % i) + pathinfo[0]                     win32file.CopyFile(path,os.path.join(self.__dir,filename),True)            except:                pass    def close(self):        self.__ie.Quit()if __name__=='__main__':    d=ImgDownloader('http://image.baidu.com/i?ct=201326592&cl=2&lm=-1&tn=baiduimage&pv=&word=boy&z=0','c:\\temp\\')    d.start()    d.close()