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# 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.
import copy
from django.utils.functional import empty
from django.utils.functional import LazyObject
from django.utils.functional import SimpleLazyObject
class LazySettings(LazyObject):
def _setup(self, name=None):
from django.conf import settings
from horizon.conf.default import HORIZON_CONFIG as DEFAULT_CONFIG
HORIZON_CONFIG = copy.copy(DEFAULT_CONFIG)
HORIZON_CONFIG.update(settings.HORIZON_CONFIG)
# Ensure we always have our exception configuration...
for exc_category in ['unauthorized', 'not_found', 'recoverable']:
if exc_category not in HORIZON_CONFIG['exceptions']:
default_exc_config = DEFAULT_CONFIG['exceptions'][exc_category]
HORIZON_CONFIG['exceptions'][exc_category] = default_exc_config
# Ensure our password validator always exists...
if 'regex' not in HORIZON_CONFIG['password_validator']:
default_pw_regex = DEFAULT_CONFIG['password_validator']['regex']
HORIZON_CONFIG['password_validator']['regex'] = default_pw_regex
if 'help_text' not in HORIZON_CONFIG['password_validator']:
default_pw_help = DEFAULT_CONFIG['password_validator']['help_text']
HORIZON_CONFIG['password_validator']['help_text'] = default_pw_help
self._wrapped = HORIZON_CONFIG
def __getitem__(self, name, fallback=None):
if self._wrapped is empty:
self._setup(name)
return self._wrapped.get(name, fallback)
def get_webroot():
from django.conf import settings
return settings.WEBROOT
HORIZON_CONFIG = LazySettings()
WEBROOT = SimpleLazyObject(get_webroot)
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