给shell调用的FTP命令代码,Python代码库,德仔网

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【Python】给shell调用的FTP命令

作者:蓝宝石的傻话 / 发布于2013/10/11/ 811

部分服务器由于有些数据需要定时通过FTP上传到备份服务器上保存，在每台服务器上安装FTP命令再编写bash脚本感觉不爽。写一个可调用的ftp命令来写shell脚本。暂时没有FTP下载功能。日后有需要再补上。


	#!/usr/bin/env python
	#encoding=utf-8
	import sys,ftplib,os.path
	def ftp_connect(ftphost,ftpost,ftpname,ftpwd):
	 myftp=ftplib.FTP()
	 try:
	 myftp.connect(ftphost,ftpost,10)
	 print 'FTP connect is success.'
	 except Exception, e:
	 print >> sys.stderr, "conncet failed - %s" % e
	 return (0,'conncet failed')
	 else:
	 try:
	 myftp.login(ftpname, ftpwd)
	 print 'login success'
	 except Exception, e:
	 print >> sys.stderr, "login failed - %s" % e
	 return (0,'login failed')
	 else:
	 print 'return 1'
	 return (1,myftp)
	
	def l_r_diff(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata):
	 mftmp=ftp_connect(ftphost,ftpost,ftpname,ftpwd)
	 if mftmp[0]!=1:
	 print mftmp[1]
	 sys.exit()
	 myftp=mftmp[1]
	 rdata=splitpath(remotedata)
	 myftp.cwd(rdata[0])
	 rsize=0L
	 lsize=0L
	 try:
	 rsize=myftp.size(rdata[1])
	 except:
	 pass
	 if (rsize==None):
	 rsize=0L
	 if os.path.exists(localdata):
	 lsize=os.stat(localdata).st_size
	 else:
	 print "%s doesn't exists" %localdata
	 return
	 print('LocalFile size: %d, RemoteFile size: %d' % (lsize,rsize))
	 return (myftp,lsize,rdata[1],rsize)
	
	def splitpath(remotepath):
	 position=remotepath.rfind('/')
	 return (remotepath[:position+1],remotepath[position+1:])

	def ftp_up(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata):
	 myftp,lsize,rdata,rsize=l_r_diff(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata)
	 if (lsize==rsize):
	 print 'remote filesize is equal with local'
	 return
	 if(lsize>rsize):
	 localfile=open(localdata,'rb')
	 localfile.seek(rsize)
	 myftp.voidcmd('TYPE I')
	 datasock=''
	 esize=''
	 try:
	 datasock,esize=myftp.ntransfercmd("STOR "+rdata,rsize)
	 except Exception, e:
	 print >>sys.stderr, '----------ftp.ntransfercmd-------- : %s' % e
	 return
	 tmpsize=rsize
	 while True:
	 buf=localfile.read(1024*1024)
	 if not len(buf):
	 print '\rNo data break'
	 break
	 datasock.sendall(buf)
	 tmpsize+=len(buf)
	 print '\b'*30,'uploading %.2f%%'%(float(tmpsize)/lsize*100),
	 if tmpsize==lsize:
	 print '\rfile size equal break'
	 break
	 datasock.close()
	 print 'close data handle'
	 localfile.close()
	 print 'close local file handle'
	 myftp.voidcmd('NOOP')
	 print 'keep alive cmd success'
	 myftp.voidresp()
	 print 'No loop cmd'
	 myftp.quit()

	def ftp_download(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata):
	 myftp,lsize,rdata,rsize=l_r_diff(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata)
	 pass

	if __name__ == "__main__":
	 from optparse import OptionParser
	 parser = OptionParser()
	 parser.add_option("-t","--type",dest="ftp_type",default='upload',help="Host of FTP")
	 parser.add_option("-H","--host",dest="ftp_host",default="127.0.0.1",help="Host of FTP")
	 parser.add_option("-P","--post",dest="ftp_post",default='21',help="Post of FTP")
	 parser.add_option("-u","--username",dest="ftp_user",default='anonymous',help="anonymous")
	 parser.add_option("-p","--password",dest="ftp_password",default=None,help="password")
	 parser.add_option("-l","--localfile",dest="localfile",default=None,help="localfile")
	 parser.add_option("-r","--remotefile",dest="remotefile",default=None,help="remotefile")
	 (options,args) = parser.parse_args()
	 def mftp(ftype,ftphost,ftpost,ftpname,ftpwd,remotedata,localdata):
	 if ftype=='upload':
	 ftp_up(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata)
	 print "UPLOAD OK"
	 elif ftype=='download':
	 ftp_download(ftphost,ftpost,ftpname,ftpwd,remotedata,localdata)
	 print "DOWNLOAD OK"
	 else:
	 print "FTP TYPE IS ERROR"
	 mftp(options.ftp_type , options.ftp_host , options.ftp_post , options.ftp_user , options.ftp_password, options.remotefile , options.localfile)

	

	<strong>使用方法：</strong>

	

	

	#!/bin/bash
	#写配置
	backuppath=''
	ftphost=''
	ftpusr=''
	ftpd=''
	#批量上传
	ftpcmd='myftp.py'
	for j in $(ls $backuppath/*$(date +%Y%m%d)* ); do
	python $ftpcmd -t upload -H $ftphost -u $ftpusr -p $ftpd -l $j -r "/${j##*/}"
	done

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