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.pyimport sys,osimport urllibdef urlcallback(a,b,c):"""call back functiona,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/cif 100 < prec:prec=100print "%.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)
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