test_sftp.py 文件源码

def init(hostname, username, keyfile, passwd):
        global sftp, tc

        t = paramiko.Transport(hostname)
        tc = t
        try:
            key = paramiko.RSAKey.from_private_key_file(keyfile, passwd)
        except paramiko.PasswordRequiredException:
            sys.stderr.write('\n\nparamiko.RSAKey.from_private_key_file REQUIRES PASSWORD.\n')
            sys.stderr.write('You have two options:\n')
            sys.stderr.write('* Use the "-K" option to point to a different (non-password-protected)\n')
            sys.stderr.write('  private key file.\n')
            sys.stderr.write('* Use the "-P" option to provide the password needed to unlock this private\n')
            sys.stderr.write('  key.\n')
            sys.stderr.write('\n')
            sys.exit(1)
        try:
            t.connect(username=username, pkey=key)
        except paramiko.SSHException:
            t.close()
            sys.stderr.write('\n\nparamiko.Transport.connect FAILED.\n')
            sys.stderr.write('There are several possible reasons why it might fail so quickly:\n\n')
            sys.stderr.write('* The host to connect to (%s) is not a valid SSH server.\n' % hostname)
            sys.stderr.write('  (Use the "-H" option to change the host.)\n')
            sys.stderr.write('* The username to auth as (%s) is invalid.\n' % username)
            sys.stderr.write('  (Use the "-U" option to change the username.)\n')
            sys.stderr.write('* The private key given (%s) is not accepted by the server.\n' % keyfile)
            sys.stderr.write('  (Use the "-K" option to provide a different key file.)\n')
            sys.stderr.write('\n')
            sys.exit(1)
        sftp = paramiko.SFTP.from_transport(t)