# Copyright (c) 2013 NEC Corporation
# 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.

"""Middleware that provides high-level error handling.

It catches all exceptions from subsequent applications in WSGI pipeline
to hide internal errors from API response.
"""

import webob.dec
import webob.exc

from openstack.common.gettextutils import _  # noqa
from openstack.common import log as logging
from openstack.common.middleware import base


LOG = logging.getLogger(__name__)


class CatchErrorsMiddleware(base.Middleware):

    @webob.dec.wsgify
    def __call__(self, req):
        try:
            response = req.get_response(self.application)
        except Exception:
            LOG.exception(_('An error occurred during '
                            'processing the request: %s'))
            response = webob.exc.HTTPInternalServerError()
        return response

# Copyright (c) 2013 NEC Corporation
# 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.

"""Middleware that provides high-level error handling.

It catches all exceptions from subsequent applications in WSGI pipeline
to hide internal errors from API response.
"""

import webob.dec
import webob.exc

from openstack.common.gettextutils import _LE
from openstack.common import log as logging
from openstack.common.middleware import base


LOG = logging.getLogger(__name__)


class CatchErrorsMiddleware(base.Middleware):

    @webob.dec.wsgify
    def __call__(self, req):
        try:
            response = req.get_response(self.application)
        except Exception:
            LOG.exception(_LE('An error occurred during '
                              'processing the request: %s'))
            response = webob.exc.HTTPInternalServerError()
        return response

Update oslo log messages with translation domains
Update oslo log messages with translation domains

Update the incubator code to use different domains for log
messages at different levels.

Update the import exceptions setting for hacking to allow
multiple functions to be imported from gettextutils on one
line.

bp log-messages-translation-domain

Change-Id: I6ce0f4a59438612ce74c46b3ee9398bef24c0c19
