Synnefo » ./kamaki

# Copyright 2012-2013 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from kamaki.cli.config import Config

def _add_value(foo, value):

    def wrap(self):

        return foo(self, value)

    return wrap

class configuration(object):

    _cnf = None

    _client = ''

    def __init__(self, client='', config_file=None):

        self._cnf = Config(config_file)

        self._client = client

        @property

        def generic_property(self, value):

            """

            :param client: (str) if given, try to get test_client.* and then

            client.*

            :returns: (str) priorities: test_client, client, test, global

            """

            if not hasattr(self, '_%s' % value):

                _acnt = self._cnf.get('test', '%s_%s' % (self._client, value))\

                    or self._cnf.get(self._client, value)\

                    or self._cnf.get('test', value)\

                    or self._cnf.get('global', value)

                if _acnt:

                    setattr(self, '_%s' % value, _acnt)

            return getattr(self, '_%s' % value, None)

        for foo in ('url', 'token'):

            setattr(self, foo, _add_value(generic_property, foo))