python访问ftp站点——切换访问模式

左手的ㄟ右手 2021-12-24 12:27 503阅读 0赞

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。

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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()

转载于:https://www.cnblogs.com/SusieHu/p/4785525.html

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