ncclient:NETCONF Python client

# Copyright 2009 Shikhar Bhushan

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#    http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

from ncclient import NCClientError

class TransportError(NCClientError):

    pass

class AuthenticationError(TransportError):

    pass

class SessionCloseError(TransportError):

    def __init__(self, in_buf, out_buf=None):

        msg = 'Unexpected session close.'

        if in_buf:

            msg += ' IN_BUFFER: {%s}' % in_buf

        if out_buf:

            msg += ' OUT_BUFFER: {%s}' % out_buf

        SSHError.__init__(self, msg)

class SSHError(TransportError):

    pass

class SSHUnknownHostError(SSHError):

    def __init__(self, hostname, key):

        from binascii import hexlify

        SSHError(self, 'Unknown host key [%s] for [%s]'

                 % (hexlify(key.get_fingerprint()), hostname))

        self.hostname = hostname