horizon/openstack_dashboard/context_processors.py
Paul Belanger da8c69afa6 Gate on H4xx docstrings for pep8
In an effort to help horizon more friendly to OpenStack hacking
guidelines, we now gate on H40* violations.

Change-Id: Id07294543660368d2f7f5ac363710176ab23b874
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>
2013-11-23 12:51:07 -05:00

59 lines
2.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# 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.
"""
Context processors used by Horizon.
"""
from django.conf import settings # noqa
def openstack(request):
"""Context processor necessary for OpenStack Dashboard functionality.
The following variables are added to the request context:
``authorized_tenants``
A list of tenant objects which the current user has access to.
``regions``
A dictionary containing information about region support, the current
region, and available regions.
"""
context = {}
# Auth/Keystone context
context.setdefault('authorized_tenants', [])
current_dash = request.horizon['dashboard']
needs_tenants = getattr(current_dash, 'supports_tenants', False)
if request.user.is_authenticated() and needs_tenants:
context['authorized_tenants'] = request.user.authorized_tenants
# Region context/support
available_regions = getattr(settings, 'AVAILABLE_REGIONS', [])
regions = {'support': len(available_regions) > 1,
'current': {'endpoint': request.session.get('region_endpoint'),
'name': request.session.get('region_name')},
'available': [{'endpoint': region[0], 'name':region[1]} for
region in available_regions]}
context['regions'] = regions
return context