import ftplib
import os
import socket
import sys
HOST = '127.0.0.1'
DIRN = 'd:\\G'
FILE = 'xue.jpg'
USER_NAME = 'liyong'
PWD = '123456'
def DownloadFile(file_name):
try:
f = ftplib.FTP(HOST)
except(socket.error, socket.gaierror) as e:
print('ERROR:cannot reach %s' % HOST)
return
print('*** Connected to host %s' % HOST)
try:
f.login(USER_NAME, PWD)
except ftplib.error_perm:
print('ERROR:cannot login USER_NAME=%s, PWD=%s' % (USER_NAME, PWD))
f.quit()
return
print('*** Logined in as %s' % USER_NAME)
try:
f.cwd(DIRN)
except ftplib.error_perm:
print('ERROR:cannot CD to %s' % DIRN)
f.quit()
return
try:
file = open(file_name, 'wb')
f.retrbinary('RETR %s' % file_name, file.write)
file.close()
except ftplib.error_perm:
print('ERROR:cannot read file %s' % file_name)
os.unlink(file_name)
file.close()
else:
print('*** Downloaded %s to %s' % (file_name, os.getcwd()))
f.quit()
return
if __name__ == '__main__':
DownloadFile(sys.argv[1])
Python编写FTP下载程序
最新推荐文章于 2025-06-26 09:29:52 发布