import timeimport FSProxy def main():    t1 = time.time()    #proxy = FSProxy.FSProxyClient(('voorn.cwi.nl', 4127))    proxy = FSProxy.FSProxyLocal()    sumtree(proxy)    proxy._close()    t2 = time.time()    print t2-t1, "seconds"    raw_input("[Return to exit] ") def sumtree(proxy):    print "PWD =", proxy.pwd()    files = proxy.listfiles()    proxy.infolist(files)    subdirs = proxy.listsubdirs()    for name in subdirs:        proxy.cd(name)        sumtree(proxy)        proxy.back() main()