python urllib从远程服务器下载文件到本地

#!/usr/bin/env python #-*-coding:utf-8-*-' #Filename:download_file.py import sys,os import urllib def urlcallback(a,b,c): """ call back function a,已下载的数据块 b,数据块的大小 c,远程文件的大小 """ print "callback" prec=100.0*a*b/c if 100 < prec: prec=100 print "%.2f%%"%(prec,) def main(argv): """ main """ print "start..." urllib.urlretrieve("http://jaist.dl.sourceforge.net/project/pydev/pydev/Pydev%201.6.3/org.python.pydev.feature-1.6.3.2010100513.zip"/ ,"/tmp/python.pydev.zip"/ ,urlcallback) print "end..." if __name__=="__main__": main(sys.argv[1:])