python

超轻量级php框架startmvc

Python FTP两个文件夹间的同步实例代码

更新时间:2020-06-03 18:54:01 作者:startmvc
具体代码如下所示:#-*-coding:utf-8-*-'''''''ftp自动检测源文件夹的更新,将源文件夹更新的内

具体代码如下所示:


# -*- coding: utf-8 -*- 
''''''' 
 ftp自动检测源文件夹的更新,将源文件夹更新的内容拷贝到目标文件夹中 
 使用树的层序遍历算法,支持深度目录拷贝 
''' 
import os 
from ftplib import FTP 
import os,sys,string,datetime,time 
import shutil 
import socket 
class MyUpdateMonitor(object): 
 def __init__(self, hostaddr, username, password, remotedir_old, remotedir_new, port = 21): 
 self.hostaddr = hostaddr 
 self.username = username 
 self.password = password 
 self.remotedir_old = remotedir_old 
 self.remotedir_new = remotedir_new 
 # self.port = port 
 self.ftp = FTP() 
 # 源文件文件队列 
 self.FolderListOld = [] 
 # 目标文件文件队列 
 self.FolderListNew = [] 
 def __del__(self): 
 self.ftp.close() 
 self.FolderListOld.clear() 
 self.FolderListNew.clear() 
 def FtpLogin(self): 
 ftp = self.ftp 
 try: 
 timeout = 300 
 socket.setdefaulttimeout(timeout) 
 ftp.set_pasv(True) 
 print u'开始连接到 %s' %(hostaddr) 
 ftp.connect(hostaddr) 
 print u'成功连接到 %s' %(hostaddr) 
 print u'开始登录到 %s' %(hostaddr) 
 ftp.login(username, password) 
 print u'成功登录到 %s' %(hostaddr) 
 ftp.getwelcome() 
 except Exception, e: 
 print 'find exception now:',e 
 # 使用树的层序遍历来检查文件目录 
 def LevelOrderFolder(self): 
 # 新增文件起始位置和终止位置 
 start = 0 
 end = 0 
 try: 
 # 将根目录放入队列中 
 self.FolderListOld.append(self.remotedir_old) 
 self.FolderListNew.append(self.remotedir_new) 
 while not (0 == len(self.FolderListOld)): 
 end = start 
 # 将文件夹下的文件全部压入队列 
 if os.path.isdir(self.FolderListOld[0]): 
 files = os.listdir(self.FolderListOld[0]) 
 for file in files: 
 self.FolderListOld.append(os.path.join(self.FolderListOld[0], file)) 
 # 确定新增文件在队列中的位置 
 end += len(files) 
 # 将已经查看的文件夹删除 
 del self.FolderListOld[0] 
 # 检查目标文件夹该级目录 
 if os.path.isdir(self.FolderListNew[0]): 
 # 将该级目录的文件都列出 
 files = os.listdir(self.FolderListNew[0]) 
 # 检查源文件该级目录下的文件在目标该级目录下是否有 
 for file in self.FolderListOld[start:end]: 
 temp = file.split('\\') 
 if temp[-1] in files: 
 # 这里判断文件大小是否一致,不一致拷过去 
 if os.path.isfile(file) and not os.path.getsize(file) == os.path.getsize(os.path.join(self.FolderListNew[0], temp[-1])): 
 print 'Find the file(%s) size is changed!\n' % file 
 # print r'Start delete...\n' 
 # os.remove(os.path.join(self.FolderListNew[0], temp[-1])) 
 # print r'delete is over...\n' 
 print 'Start Copy...\n' 
 shutil.copyfile(file, os.path.join(self.FolderListNew[0], temp[-1])) 
 print 'Copy is over...\n' 
 # # 如果是文件夹存在,但是修改过,没有必要全部拷贝文件夹,可以到文件夹中拷贝单个文件 
 # if os.path.isfile(file) and not (os.path.getmtime(file) == os.path.getmtime(os.path.join(self.FolderListNew[0], temp[-1]))): 
 # print 'Find the file(%s) size is changed!\n' % file 
 # changetime = os.path.getmtime(file) #以毫秒为单位的时间,自1970年开始到现今 
 # changetime = float(changetime) 
 # print 'Change Time is', time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(changetime)), r'\n' 
 # 
 # print 'Start Copy...\n' 
 # shutil.copyfile(file, os.path.join(self.FolderListNew[0], temp[-1])) 
 # print 'Copy is over...\n' 
 else: 
 if os.path.isdir(file): 
 # 如果是文件夹不存在使用,目录树拷贝 
 print 'Find the folder(%s) is updated!\n' % file 
 print 'Start Copy...\n' 
 shutil.copytree(file, os.path.join(self.FolderListNew[0], temp[-1])) 
 print 'Copy is over...\n' 
 else: 
 # 如果是文件 
 print 'Find the file(%s) is updated!\n' % file 
 print 'Start Copy...\n' 
 shutil.copyfile(file, os.path.join(self.FolderListNew[0], temp[-1])) 
 print 'Copy is over...\n' 
 self.FolderListNew.append(os.path.join(self.FolderListNew[0], temp[-1])) 
 del self.FolderListNew[0] 
 start = end - 1 
 except Exception, e: 
 print 'find exception now:',e 
if __name__ == '__main__': 
 # 配置如下变量 
 hostaddr = r'10.204.16.28' # ftp地址 
 username = r' ' # 用户名 
 password = r' ' # 密码 
 remotedir_old = r'\\10.204.16.28\Home\TDME\Test\Old\TMUMH_1.6.1055' 
 remotedir_new = r'\\10.204.16.28\Home\TDME\Test\New\TMUMH_1.6.1055' 
 monitorfileupdae = MyUpdateMonitor(hostaddr, username, password, remotedir_old, remotedir_new) 
 monitorfileupdae.FtpLogin() 
 while True: 
 print 'Start Check Update...\n' 
 monitorfileupdae.LevelOrderFolder() 
 print 'Check Update is Over...\tSleep one hour...' 
 time.sleep(3600) 
 print 'hello' 

总结

以上所述是小编给大家介绍的Python FTP两个文件夹间的同步实例代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

python ftp 文件夹同步 python 同步文件夹