Fixed bug in list method of client handler (now return only useful tags).

import logging

from sjrpc.utils import RpcHandler, pure

from tql import TqlQuery

from conf import CCConf

def listed(func):

    func.__listed__ = True

        # Try to get vm for each matched hypervisor:

        async_calls = {}

        tags = tuple(query.tags)

        for hy in hypervisors:

            async_calls[hy.connection.async_call('list_vm')] = hy

            async_calls[hy.connection.async_call('list_vm', tags=tags)] = hy

        logging.debug('Waiting for the response of hypervisors...')

        responses = self._server.manager.wait(frozenset(async_calls), timeout=5)

        return query.filter(objects)

class AuthenticationError(Exception):

    pass

class WelcomeHandler(CCHandler):

    '''

    Default handler used on client connections of the server.

        '''

        Authenticate the client.

        '''

        try:

            role = self._server.conf.authentify(login, password)

        except CCConf.UnknownAccount:

            raise AuthenticationError('Authentication failure (Unknown login)')

        if role is None:

            logging.info('New authentication from %s: failure' % login)

            return False

            raise AuthenticationError('Authentication failure')

        else:

            # If authentication is a success, ask tags to the server:

            self._server.register(login, role, connection)