python: 从远程服务器下载日志程序

本文提供了一种方法，该程序可实现抓取服务器的日志文件到本地，根据该程序可自行扩展对日志文件的自动化分析。常用于数据挖掘、生产维护等。

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  True        if __name__ == "__main__":    getServerLog("/userhome/root/other/temp","a.out","10.10.10.10","root","password")    print '****done'

运行：python getServerLog.py