python之花瓣美女下载详解编程语言

    #coding: utf-8   
    import urllib, urllib2, re, sys, os   
    import random   
    reload(sys)   
        
    def Schedule(a,b,c):   
        """a:已经下载的数据块   
        b:数据块的大小   
        c:远程文件的大小"""   
        per = 100.0 * a * b / c   
        if per > 100:   
            per = 100   
        print '%.2f%%' % per   
       
       
       
       
       
    def SearchAndDownLoadImg(SearchStr,NumPerPage,filepath):   
           
        url = 'http://huaban.com/search/?q=%s&per_page=%s' % (SearchStr,str(NumPerPage))   
           
        Respon = urllib2.urlopen(url)   
           
        Htm = Respon.read()   
           
        print url+"/n/n/n"   
           
        print "----------------Search Over,And Begin DownLoad----------------"+"/n/n"   
           
        Patt=re.compile('"file":/{"farm":"farm1",.+?"bucket":"hbimg",.+?"key":"(.*?)",.+?"type":"image/(.*?)",.+?"width":')   
           
        group = re.findall(Patt,Htm)   
           
        #print "find total imgurl"+len(group)+"/n"   
           
        x = 1   
           
        for item in group:   
           
            imgurl=r"http://img.hb.aicdn.com/"+item[0]+"_fw658"   
               
            urllib.urlretrieve(imgurl,filepath+'/pic%s.%s' % (str(x),item[1]),Schedule)   
               
            print imgurl+"------>down over" +"/tpic"+ str(x)   
               
            x = x+1   
           
           
       
    if __name__ == "__main__":   
           
        print "Please input the picture you want to download:"   
           
        SearchStr = raw_input()   
           
        print "/n/n"   
           
        print "Please input the PageNumber you want to download:"   
           
        NumPerPage = raw_input()   
           
        print "/n/n"   
           
        print "-----------------------Begin Search---------------------------"+"/n"   
           
           
        filenum = random.randint(20, 50)   
           
        filename = 'PictureFile'+str(filenum)   
           
        filepath = 'C:/Users/Administrator/Desktop'+'//'+filename   
           
        if(os.path.exists(filepath) == False):   
            os.mkdir(filepath)   
           
        #print filepath   
           
        SearchAndDownLoadImg(SearchStr,NumPerPage,filepath)   
           
        #http://img.hb.aicdn.com/23a58517fb73f86bca85937f069724486b3e00a44caa-GMc99I_sq75sf   
           
        print"/n/n"   
           
        print "---------------------All Down Over-----------------------"