# -*- encoding: utf-8 -*-
#
# Copyright 2015 Rackspace
# All Rights Reserved.
#
#    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.

""" Arsenal Exceptions """

import sys

from oslo_config import cfg
from oslo_log import log as logging

LOG = logging.getLogger(__name__)

exc_log_opts = [
    cfg.BoolOpt('fatal_exception_format_errors',
                default=False,
                help='Make exception message format errors fatal'),
]

CONF = cfg.CONF
CONF.register_opts(exc_log_opts)


# NOTE(ClifHouck): Basically a renamed NovaException from Openstack Nova.
class ArsenalException(Exception):
    """Base Arsenal Exception

    To correctly use this class, inherit from it and define
    a 'msg_fmt' property. That msg_fmt will get printf'd
    with the keyword arguments provided to the constructor.

    """
    msg_fmt = "An unknown exception occurred."

    def __init__(self, message=None, **kwargs):
        self.kwargs = kwargs

        if not message:
            try:
                message = self.msg_fmt % kwargs

            except Exception:
                exc_info = sys.exc_info()
                # kwargs doesn't match a variable in the message
                # log the issue and the kwargs
                LOG.exception('Exception in string format operation')
                for name, value in kwargs.iteritems():
                    LOG.error("%s: %s" % (name, value))    # noqa

                if CONF.fatal_exception_format_errors:
                    raise exc_info[0], exc_info[1], exc_info[2]
                else:
                    # at least get the core message out if something happened
                    message = self.msg_fmt

        super(ArsenalException, self).__init__(message)

    def format_message(self):
        # NOTE(mrodden): use the first argument to the python Exception object
        # which should be our full ArsenalException message, (see __init__)
        return self.args[0]

# -*- encoding: utf-8 -*-
#
# Copyright 2015 Rackspace
# All Rights Reserved.
#
#    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.

""" Arsenal Exceptions """

import sys

from oslo_config import cfg
from oslo_log import log as logging

LOG = logging.getLogger(__name__)

exc_log_opts = [
    cfg.BoolOpt('fatal_exception_format_errors',
                default=False,
                help='Make exception message format errors fatal'),
]

CONF = cfg.CONF
CONF.register_opts(exc_log_opts)


# NOTE(ClifHouck): Basically a renamed NovaException from Openstack Nova.
class ArsenalException(Exception):
    """Base Arsenal Exception

    To correctly use this class, inherit from it and define
    a 'msg_fmt' property. That msg_fmt will get printf'd
    with the keyword arguments provided to the constructor.

    """
    msg_fmt = "An unknown exception occurred."

    def __init__(self, message=None, **kwargs):
        self.kwargs = kwargs

        if not message:
            try:
                message = self.msg_fmt % kwargs

            except Exception:
                exc_info = sys.exc_info()
                # kwargs doesn't match a variable in the message
                # log the issue and the kwargs
                LOG.exception('Exception in string format operation')
                for name, value in kwargs.iteritems():
                    LOG.error("%s: %s" % (name, value))    # noqa

                if CONF.fatal_exception_format_errors:
                    raise (exc_info[0], exc_info[1], exc_info[2])
                else:
                    # at least get the core message out if something happened
                    message = self.msg_fmt

        super(ArsenalException, self).__init__(message)

    def format_message(self):
        # NOTE(mrodden): use the first argument to the python Exception object
        # which should be our full ArsenalException message, (see __init__)
        return self.args[0]

Fix syntax error in exception.py for Python 3