python从远程服务器下载日志文件的程序

代码如下:

import osimport sysimport ftplibimport socket

################################################################### sign in the ftp server and download the log file. # 登陆生产服务器下载日志#################################################################def getserverlog(dir,filename,host,username,password): if os.path.exists(filename): print ‘****the file ‘+ filename +’ has already exist! the file will be over writed’ #connect try: f=ftplib.ftp(host) except (socket.error,socket.gaierror),e: print ‘—-error:cannot reach ‘+host print e return false #login try: f.login(user=username,passwd=password) except ftplib.error_perm ,e: print ‘—-error:cannot login to server ‘+host print e f.quit() return false print ‘****logged in as ‘ + username + ‘ to server ‘ +host #change folder try: f.cwd(dir) except ftplib.error_perm,e: print ‘—-error:cannot cd to %s on %s’ % (dir,host) print e f.quit() return false print ‘**** changed to %s folder on %s’ % (dir,host) #get file try: f.retrbinary(‘retr %s’ % filename,open(filename,’wb’).write) except ftplib.error_perm,e: print ‘—-error:cannot read file %s on %s’ % (filename,host) print e os.unlink(filename) return false else: print ‘****downloaded ‘+ filename +’ from ‘+ host +’ to ‘+os.getcwd() f.quit() return trueif __name__ == “__main__”: getserverlog(“/userhome/root/other/temp”,”a.out”,”10.10.10.10″,”root”,”password”) print ‘****done’

运行:python getserverlog.py

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