python访问ftp站点——切换访问模式

python访问ftp站点——切换访问模式。

在一个控制连接下，切换主动模式和被动模式访问ftp站点。

  1 #!/usr/bin/python  
  2 # -*- coding: utf-8 -*-  
  3 import ftplib  
  4 import os  
  5 import socket  
  6 import sys
  7   
  8 HOST = '10.15.26.51'  
  9 DIRN = 'file_yes'  
 10 FILE = 'wordless10m.docx' 
 11 FILE1 = 'ftp1.py' 
 12 def main():  
 13     try:  
 14         f = ftplib.FTP(HOST)  
 15     except (socket.error, socket.gaierror):  
 16         print 'ERROR:cannot reach " %s"' % HOST  
 17         return  
 18         
 19     print '***Connected to host "%s"' % HOST
 20   
 21      try:
 22         f.login('FTP002','&&&&&&&')
 23     except ftplib.error_perm:
 24         print 'ERROR: cannot login FTP'
 25         f.quit()
 26         return
 27     #print f.getwelcome()
 28     print '*** Logged in as FTP002'
 29 
 30     try:
 31         f.set_pasv(1)#pasv mode
 32     except ftplib.error_perm:
 33         print "cannot changed mode"
 34         f.quit()
 35         return
 36     #print "***active mode"
 37     print "***pasv mode"
 38 
 39 
 40     
 41     try:  
 42         f.cwd(DIRN)  
 43     except ftplib.error_perm:  
 44         print 'ERRORL cannot CD to "%s"' % DIRN  
 45         f.quit()  
 46         return
 47     print '*** Changed to "%s" folder' % DIRN  
 48       
 49     try:  
 50         f.dir()  
 51     except ftplib.error_perm:  
 52         print 'ERRORL list "%s" info' % DIRN  
 53         f.quit()  
 54         return  
 55     print '*** This is "%s" folder info' % DIRN  
 56     
 57     
 58     try: 
 59         buf_size = 1024
 60         os.chdir("c:/share/")
 61         f.retrbinary('RETR %s' %FILE, open(FILE, 'wb').write,buf_size)  
 62         #f.retrbinary('RETR wordless10m.docx', open(FILE, 'wb').write,buf_size)  
 63     except ftplib.error_perm:  
 64         print 'ERROR: cannot read file "%s"' % FILE  
 65         os.unlink(FILE)  #delete FILE
 66     else:  
 67         print '*** Downloaded "%s" to CWD' % FILE
 68 
 69     try:
 70         f.set_pasv(0)#active mode
 71     except ftplib.error_perm:
 72         print "cannot changed mode"
 73         f.quit()
 74         return
 75     print "***active mode"
 76     #print "***pasv mode"
 77 
 78      
 79     
 80     try: 
 81         buf_size = 1024
 82         #f.retrbinary('RETR %s' %FILE, open(FILE, 'wb').write,buf_size)  
 83         f.storbinary('stor %s'%FILE1, open(FILE1, 'rb'),buf_size)
 84     except ftplib.error_perm:
 85         print 'ERROR: cannot read file "%s"' % FILE1
 86         #os.unlink(FILE1)  #delete FILE
 87     else:
 88         print '*** Uploaded "%s" to CWD' % FILE1
 89     try:
 90         f.dir()
 91     except ftplib.error_perm:
 92         print 'ERRORL list "%s" info' % DIRN
 93         f.quit()
 94         return
 95     print '*** This is "%s" folder info' % DIRN
 96     f.quit()  
 97     return  
 98   
 99 if __name__ == '__main__':  
100     main()
View Code

 

posted @ 2015-09-06 14:35  栀子花的味道  阅读(953)  评论(0)  编辑  收藏  举报