Python automatically backs up the SVN repository and copies it to the remote host script

#!/usr/bin/python 
# -*- coding: utf-8 -*- 
   
import os
import re
import tarfile
import datetime
import pexpect
basedir='/data/bak/' #文件夹 
iplist=['']# IP地址 
def get_list(txt_file):
    ret_list = []
    fin = open(txt_file,'r')
    for line in fin:
        if (re.match('^\\s*$',line)):     #跳过是空白的行  
            continue
        else:
            line = line.lstrip()
            line = line.rstrip()  #将回车（\n）去掉 
            ret_list.append(line)
    #print('debug info of get_list :\n',ret_list) 
    return ret_list
       
def copy_svn(filelist): #这个函数主要是完成dump 
    name= []
    name=os.path.split(filelist)
    now = datetime.datetime.now()
    filename = now.strftime(basedir+iplist[0] +name[-1]+ '_%Y%m%d_%H%M%S.dump')
    os.system('svnadmin dump ' + filelist +' > '+filename )
     
    tarname =  now.strftime(basedir+iplist[0]+'_SVNDump_' +name[-1]+ '_%Y%m%d_%H%M%S.tar.gz')
    #print tarname 
    tar = tarfile.open(tarname, 'w|gz')
    tar.add(filename)
    tar.close()
       
       
    scp = pexpect.spawn('scp -r ' +  tarname  + ' root@IP:/data/databak/FilesBack/')
    scp.expect('.ssword:*')
    scp.sendline('密码')  
    scp.expect(pexpect.EOF, timeout=None)
       
     
    olddate = (now - datetime.timedelta(5)).strftime("%Y%m%d")
    print olddate
          
    for i in os.listdir(basedir):
        file = re.search(r'\w*[_](\d{8})[_]\d{6}.(tar.gz|dump)', i)
        #print i, file 
        if file and olddate>=file.group(1):
            os.remove(basedir + file.group(0))
            print 'del:', file.group(0)
            filelog=open("/data/bak/bak.log", "a")
            filelog.write("============DATE:%s============= \n"% now.strftime("%Y%m%d"))
            filelog.write("del file:%s \n" % (basedir+file.group(0) ))
            filelog.write("============DATE:%s============= \n"% now.strftime("%Y%m%d"))
        filelog.close()
      
def copy_files(txt_file):
    geted_list = get_list(txt_file)
    for file in geted_list:
        copy_svn(file)
       
if __name__ == '__main__':
    copy_files('/data/bak/filebak.txt')
    print '='*20,'\ncopy_OKOKOK\n','='*20
  
#!/usr/bin/python
# -*- coding: utf-8 -*-
  
import os
import re
import tarfile
import datetime
import pexpect
basedir='/data/bak/' #文件夹
iplist=['']# IP地址
def get_list(txt_file):
    ret_list = []
    fin = open(txt_file,'r')
    for line in fin:
        if (re.match('^\\s*$',line)):     #跳过是空白的行
            continue
        else:
            line = line.lstrip()
            line = line.rstrip()  #将回车（\n）去掉
            ret_list.append(line)
    #print('debug info of get_list :\n',ret_list)
    return ret_list
     
def copy_svn(filelist): #这个函数主要是完成dump
    name= []
    name=os.path.split(filelist)
    now = datetime.datetime.now()
    filename = now.strftime(basedir+iplist[0] +name[-1]+ '_%Y%m%d_%H%M%S.dump')
    os.system('svnadmin dump ' + filelist +' > '+filename )
   
    tarname =  now.strftime(basedir+iplist[0]+'_SVNDump_' +name[-1]+ '_%Y%m%d_%H%M%S.tar.gz')
    #print tarname
    tar = tarfile.open(tarname, 'w|gz')
    tar.add(filename)
    tar.close()
     
     
    scp = pexpect.spawn('scp -r ' +  tarname  + ' root@IP:/data/databak/FilesBack/')
    scp.expect('.ssword:*')
    scp.sendline('密码')
    scp.expect(pexpect.EOF, timeout=None)
     
   
    olddate = (now - datetime.timedelta(5)).strftime("%Y%m%d")
    print olddate
        
    for i in os.listdir(basedir):
        file = re.search(r'\w*[_](\d{8})[_]\d{6}.(tar.gz|dump)', i)
        #print i, file
        if file and olddate>=file.group(1):
            os.remove(basedir + file.group(0))
            print 'del:', file.group(0)
           filelog=open("/data/bak/bak.log", "a")
            filelog.write("============DATE:%s============= \n"% now.strftime("%Y%m%d"))
            filelog.write("del file:%s \n" % (basedir+file.group(0) ))
            filelog.write("============DATE:%s============= \n"% now.strftime("%Y%m%d"))
     filelog.close()
    
def copy_files(txt_file):
    geted_list = get_list(txt_file)
    for file in geted_list:
        copy_svn(file)
     
if __name__ == '__main__':
    copy_files('/data/bak/filebak.txt')
    print '='*20,'\ncopy_OKOKOK\n','='*20