python 基于windows环境的ftp功能

描述：

1、基于备份服务器部署的py程序，将需要备份主机目录下的内容下载至备份服务器（服务端和远端都是windows server 2008）

2、py程序部署在windows服务器，后台运行，基于bat脚本启停程序

Windows server 2008 FTP环境配置

1、安装FTP服务

开始 --》管理工具 --》服务器管理器

2、安装IIS/FTP角色

打开服务器管理器，找到添加角色，然后点击，弹出添加角色对话框，选择下一步

下一步

选择Web服务器（IIS），然后选择FTP服务，直到安装完成。

参考：http://www.cnblogs.com/Denny_Yang/p/3741041.html

FTP代码

class Windows_ftp(object):
    '''
    FTP类，基于ftplib模块实现
    connect: 连接
    login: 登陆
    DownLoadFile: 下载文件
    DownLoadFileTree: 下载指定目录下的所有文件和目录
    UpLoadFile: 上传文件
    UpLoadFileTree: 上传指定目录下的所有文件和目录
    isDir: 判断是否为目录
    cwd: 变更目录
    quit: 退出
    '''
    ftp = ftplib.FTP()
    bIsDir = False
    path = ""

    def __init__(self, host, port, username, password):
        self.host = host
        self.port = port
        self.username = username
        self.password = password
        self.buffer = 4096  # 设置的缓冲区大小
        self.ftp.set_debuglevel(0)  # 打开调试级别2，显示详细信息; 级别0关闭调试模式

    def connect(self):
        try:
            self.ftp.connect(self.host, self.port, timeout=10)
            logger.info('*** connected to host "%s"' % self.host)
            return True
        except Exception as err:
            logger.error('cannot reach "%s", %s' % (self.host, err))
            return False

    def login(self):
        try:
            self.ftp.login(self.username, self.password)
            logger.info('*** Login successfully "%s"' % self.username)
            return True
        except Exception as err:
            logger.error('cannot login, %s' % err)
            self.quit()
            return False

    def DownLoadFile(self, LocalFile, RemoteFile):
        file_handler = open(LocalFile, 'wb')
        self.ftp.retrbinary("RETR %s" % RemoteFile, file_handler.write, self.buffer)
        file_handler.close()
        return True

    def show(self, list):
        result = list.split(" ")
        #logger.debug(result)
        if self.path in result and "<DIR>" in result:
            self.bIsDir = True

    def isDir(self, path):
        self.bIsDir = False
        self.path = path
        #this ues callback function ,that will change bIsDir value
        self.ftp.retrlines('LIST', self.show)
        return self.bIsDir

    def DownLoadFileTree(self, LocalDir, RemoteDir):
        if os.path.isdir(LocalDir) == False:  # 判断本地主机是否存在目录，进行创建
            os.makedirs(LocalDir)
        try:
            self.cwd(RemoteDir)
        except Exception as err:
            logger.error("Failed to open the path to the remote host, %s" % err)
            return False
        RemoteNames = self.ftp.nlst()  # 列出远程下载目录下所有内容
        logger.debug("Remote downLoad path:%s, DownLoad files list:%s" % (RemoteDir, RemoteNames))
        for file_or_path in RemoteNames:
            Local = os.path.join(LocalDir, file_or_path)
            if self.isDir(file_or_path):
                self.DownLoadFileTree(Local, file_or_path)
            else:
                self.DownLoadFile(Local, file_or_path)
        self.ftp.cwd("..")
        return

    def cwd(self, DIRN):
        try:
            self.ftp.cwd(DIRN)
        except Exception as err:
            logger.error('ERROR:cannot CD to "%s"' % DIRN)
            logger.error(err)
            self.quit()
        logger.debug('*** changed to "%s" folder' % DIRN)

    def UpLoadFile(self, LocalFile, RemoteFile):
        if os.path.isfile(LocalFile) == False:
            return False
        file_handler = open(LocalFile, "rb")
        self.ftp.storbinary('STOR %s' % RemoteFile, file_handler, self.buffer)
        file_handler.close()
        return True

    def UpLoadFileTree(self, LocalDir, RemoteDir):
        if os.path.isdir(LocalDir) == False:
            return False
        LocalNames = os.listdir(LocalDir)
        logger.debug("Remote upLoad path:%s, UpLoad files list:%s" % (RemoteDir, LocalDir))
        self.cwd(RemoteDir)
        for Local in LocalNames:
            src = os.path.join(LocalDir, Local)
            if os.path.isdir(src):
                self.UpLoadFileTree(src, Local)
            else:
                self.UpLoadFile(src, Local)
        self.ftp.cwd("..")
        return

    def quit(self):
        self.ftp.quit()

参考：http://www.sharejs.com/codes/python/5619

 

windows脚本

start.bat

@echo off
if exist ./var/hk_win_syncfile.pid (echo "[%date% %time%] Running.."
ping -n 3 localhost >nul
exit
)else ( echo "[%date% %time%] Starting.."
start pythonw hk_win_syncfile.py
ping -n 3 localhost >nul
status.bat
ping -n 3 localhost >nul
)

stop.bat

@echo off
 
if exist ./var/hk_win_syncfile.pid (echo "[%date% %time%] Stopping..."
  python -c "import os; os.system('taskkill /F /PID %%s' %% open('./var/hk_win_syncfile.pid').read());"
  del /s hk_win_syncfile.pid
  ping -n 3 localhost >nul
)else (echo "[%date% %time%] Stopped.."
ping -n 3 localhost >nul
)

status.bat

@echo off
if exist ./var/hk_win_syncfile.pid (echo "[%date% %time%] Runningg...")else (echo "[%date% %time%] Stopped..")
ping -n 3 localhost >nul

restart.bat

@echo off
if exist ./var/hk_win_syncfile.pid (echo "[%date% %time%] Stopping..."
  python -c "import os; os.system('taskkill /F /PID %%s' %% open('./var/hk_win_syncfile.pid').read());"
  del /s hk_win_syncfile.pid
  ping -n 3 localhost >nul
)else (echo "[%date% %time%] Stopped.."
ping -n 3 localhost >nul
)
 
if exist ./var/hk_win_syncfile.pid (echo "[%date% %time%] Running.."
ping -n 3 localhost >nul
exit
)else ( echo "[%date% %time%] Starting.."
start pythonw hk_win_syncfile.py
ping -n 3 localhost >nul
status.bat
ping -n 3 localhost >nul
)

参考：http://my.oschina.net/sanpeterguo/blog/337263