1: # -*- coding: utf-8 -*-

   2: """

   3: Created on Sat Dec 11 15:05:51 2010

   4:  

   5: @author: ZhangYi

   6: """

   7: from xml.etree import ElementTree

   8: import time, urllib, os

   9:  

  10:  

  11: def load_xml_file(fileName):

  12:     root = ElementTree.parse(fileName,None).getroot();

  13:     

  14:     items = root.findall("preloaders/preloader")

  15:     

  16:     #string.atoi（s,[，base]) //base为进制基数

  17:     

  18:     for temp_item in items:

  19:         swf_name = temp_item.get("swf")

  20:         now_date = str(time.time())

  21:         

  22:         swf_url = "http://www.prettyloaded.com/swf/" + swf_name + "?cachebuster=" + now_date

  23:         

  24:         print 'read request url is : ' + swf_url + ' begin down...'

  25:         

  26:         load_swf_file(swf_url, swf_name)

  27:         

  28:         break

  29:  

  30:  

  31: def load_swf_file(swfUrl, swfName):

  32:     sava_dir_path = 'd:\\test\\'

  33:     save_path = sava_dir_path + swfName

  34:     

  35:     #如果目录不存在，则先创建目录

  36:     if os.path.exists(sava_dir_path) == False:

  37:         os.mkdir(sava_dir_path)

  38:     

  39:     #如果文件存在则先删除文件 

  40:     if os.path.isfile(save_path) == True:

  41:         os.remove(save_path)

  42:     

  43:     #第一种方法

  44:     #swf_url = swfUrl

  45:     #swf_data = urllib.urlopen(swf_url).read()

  46:     #swf_file = file(save_path, 'wb')

  47:     #swf_file.write(swf_data)

  48:     #swf_file.close()

  49:     

  50:     #另一种方法

  51:     urllib.urlretrieve(swfUrl, save_path)

  52:     

  53:     print swfUrl + ' down end...'

  54:     

  55: if __name__ == "__main__":  

  56:     url = 'C:/pythonApp/swf_list.xml'

  57:     load_xml_file(url)