代码如下

# coding=utf-8
#########################################################################
# File Name: reg_url.py
# Author: WangWeilong
# Company: Baidu
#########################################################################

import re
import sys
import os
from ftplib import FTP

dhccmd = "http://xxx/api/submit"

class DHC_FTP():
    def __init__(self,hostname,username="",passwd=""):
        self.hostname = hostname
        try:
            self.ftp = FTP(self.hostname)
        except:
            print "hostname error!"
            exit(-1)
        self.username = username
        self.passwd = passwd
        self.filelist = []
        self.reg_pattern = ""

    def getftpfilelist(self,path):
        self.ftp.login(self.username,self.passwd)
        self.ftp.cwd(path)
        self.filelist = self.ftp.nlst()

    def matchnames(self,regpattern):
        pattern = re.compile(regpattern)
        matchedfiles = []
        for file in self.filelist:
            match = pattern.search(file)
            if match:
                matchedfiles.append(match.string)
        return matchedfiles



if __name__ == "__main__":
    if len(sys.argv) != 4:
        print 'usage:python reg_url.py $ftpurldir $regular'
    else:
        #解析ftpurl字符串
        head = sys.argv[1].split("@")[1].split("/")[0]
        username = sys.argv[1].split("//")[1].split(":")[0]
        passwd = sys.argv[1].split("//")[1].split(":")[1].split("@")[0]
        pathdir = sys.argv[1].split(head)[1]

        dhc_ftp = DHC_FTP(head,username,passwd)
        dhc_ftp.getftpfilelist("./" + pathdir)

        #获取正则表达式
        regpattern = r'%s' % sys.argv[2]

        matchedfiles = dhc_ftp.matchnames(regpattern)
        for files in matchedfiles:
            ftpname = sys.argv[1] + "/" + files
            print ftpname