#!/usr/bin/env pythonimport ftplibimport osclass FTPSync(object):    def __init__(self,host,username, password, ftp_base_dir,                            local_base_dir, delete=False):        self.host = host        self.username = username        self.password = password        self.ftp_base_dir = ftp_base_dir        self.local_base_dir = local_base_dir        self.delete = delete        self.conn = ftplib.FTP(host, username, password)        self.conn.cwd(ftp_base_dir)        try:            os.makedirs(local_base_dir)        except OSError:            pass        os.chdir(local_base_dir)    def get_dirs_files(self):        dir_res = []        self.conn.dir('.', dir_res.append)        for f in dir_res:            print f        files= [ f.split(None, 8)[-1] for f in dir_res if f.startswith('-')]        dirs = [ f.split(None, 8)[-1] for f in dir_res if f.startswith('d')]        return (files, dirs)        def walk(self, next_dir):        print "walking to", next_dir        self.conn.cwd(next_dir)        try:            os.mkdir(next_dir)        except OSError:            pass        os.chdir(next_dir)        ftp_curr_dir = self.conn.pwd()        local_curr_dir = os.getcwd()        files, dirs = self.get_dirs_files()        print "FILES:", files        print "DIRS:", dirs        for f in files:            print next_dir, ':', f            outf = open(f,'wb')            try:                self.conn.retrbinary('RETR %s' % f, outf.write)            finally:                outf.close()            if False:                print self.delete                print "Deleting",f                self.conn.delete(f)        for d in dirs:            os.chdir(local_curr_dir)            self.conn.cwd(ftp_curr_dir)            self.walk(d)    def run(self):        self.walk('.')if __name__ == '__main__':    from optparse import OptionParser    parser = OptionParser()    parser.add_option("-o","--host", dest="host",            action='store', help ="FTP host")    parser.add_option("-u","--username",dest="username",            action ='store', help = "FTP username")    parser.add_option("-p","--password",dest="password",            action = 'store', help = "FTP password")    parser.add_option("-r","--remote_dir",dest = "remote_dir",            action = 'store', help = "FTP remote starting directory")    parser.add_option("-l", "--local_dir",dest = "local_dir",            action = 'store', help = "Local starting directory")    parser.add_option("-d", "--delete",dest = "delete",default = False,            action = 'store_true', help= "use regex parser")    (options, args) = parser.parse_args()    f = FTPSync(options.host, options.username, options.password,options.remote_dir, options.local_dir, options.delete)    f.run() 在命令行输入：

./ftpimage.py -o localhost -u hzhida -p password -r lighttpd-1.4.31 -l python -d False