python访问ftp站点，下载文件

python访问ftp站点，下载文件。

 1 #!/usr/bin/python  
 2 # -*- coding: utf-8 -*-  
 3 import ftplib  
 4 import os  
 5 import socket  
 6 import sys
 7   
 8 HOST = '10.17.25.42'  
 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     
31     
32     try:  
33         f.cwd(DIRN)  
34     except ftplib.error_perm:  
35         print 'ERRORL cannot CD to "%s"' % DIRN  
36         f.quit()  
37         return
38     print '*** Changed to "%s" folder' % DIRN
39     
40     
41     try:  
42         f.dir()  
43     except ftplib.error_perm:  
44         print 'ERRORL list "%s" info' % DIRN  
45         f.quit()  
46         return  
47     print '*** This is "%s" folder info' % DIRN  
48     
49     
50     try: 
51         buf_size = 1024
52         os.chdir("c:/share/")
53         f.retrbinary('RETR %s' %FILE, open(FILE, 'wb').write,buf_size)  
54         #f.retrbinary('RETR wordless10m.docx', open(FILE, 'wb').write,buf_size)  
55     except ftplib.error_perm:  
56         print 'ERROR: cannot read file "%s"' % FILE  
57         os.unlink(FILE)  #delete FILE
58     else:  
59         print '*** Downloaded "%s" to CWD' % FILE
60 
61     f.quit()  
62     return  
63   
64 if __name__ == '__main__':  
65     main()
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posted @ 2015-09-06 14:24  栀子花的味道  阅读(783)  评论(0)  编辑  收藏  举报