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76 lines
2.1 KiB
76 lines
2.1 KiB
# $Id: sftp.py,v 1.1 2010-05-28 18:42:29 wirawan Exp $
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#
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# wpylib.net.sftp_robot module
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# Created: 20100226
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# Wirawan Purwanto
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#
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"""
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SFTP-related module.
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A better implementation is based on paramiko secure shell library
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(http://www.lag.net/paramiko/).
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A clunky implementation is based on `sftp' program. But the status inquiry
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only works for Linux OS since it uses /proc/$PID approach.
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"""
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import getpass
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import os
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try:
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import paramiko
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has_paramiko = True
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except:
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has_paramiko = False
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if has_paramiko:
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class sftp_client(object):
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"""Python-controllable SFTP client.
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It's better to have no password (i.e. using private/public key authentication)
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to avoid additional security issues with python, password being passed around
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in clear text."""
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def __init__(self, hostname, username=None, port=22, password=None):
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conn = paramiko.SSHClient()
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if username == None:
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username = getpass.getuser()
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self.conn = conn
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self.username = username
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self.hostname = hostname
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self.port = hostname
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# Default init stage:
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conn.load_system_host_keys()
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#print "here1"
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conn.load_host_keys(os.path.expanduser("~/.ssh/known_hosts"))
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#print "here1"
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conn.set_missing_host_key_policy(paramiko.RejectPolicy) # default=paranoid
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#print "here1"
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conn.connect(hostname=hostname, username=username, password=password,
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port=port,
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)
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sftp = conn.open_sftp()
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self.sftp = sftp
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def cd(self, path):
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self.sftp.chdir(path)
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def getcwd(self):
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self.sftp.getcwd()
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def get(self, remotepath, localpath, callback=None):
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# TODO: progress bar
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self.sftp.get(remotepath, localpath, callback)
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# Save the attributes as much as I can do it
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stats = self.sftp.stat(remotepath)
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os.utime(localpath, (stats.st_atime, stats.st_mtime))
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os.chmod(localpath, stats.st_mode)
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# TODO: recode the sftp driver from
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class sftp_driver(object):
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"""Python controllable SFTP client built upon OpenSSH's sftp program."""
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def __init__(self, hostname, username=None, port=22, password=None):
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raise NotImplementedError
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# TODO
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