具体代码如下所示:
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# -*- 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 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服务器之家网站的支持!
原文链接:https://blog.csdn.net/hanyuyang19940104/article/details/80431876