How to open a sftp connection and list a directory

import socket
from org.keyphrene import SSH2
 
HOSTNAME = "127.0.0.1"
PORT = 22
LOGIN = "login"
PWD = "password"
PATH = "/home/login"
 
 
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((HOSTNAME, PORT))
sock.setblocking(1)
 
ssh = SSH2.Session()
ssh.setBanner(SSH2.DEFAULT_BANNER+" Python (http://www.keyphrene.com/projects/org.keyphrene)")
ssh.startup(sock)
ssh.setPassword(LOGIN, PWD)
 
# open a SFTP channel
sftp = ssh.SFTP()
 
handle = sftp.openDir(PATH)
if handle:
	## Open a sftp connection and list a directory
	while 1:
		data = sftp.readDir(handle)
		if not data: break
		print data
 
	## Open a sftp connection and list a directory with attributes
	for f, attr in sftp.listDir(handle):
		print f, attr
 
# close the SFTP channel
sftp.close(handle)
sftp.shutdown()
ssh.close()