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docs: fix rcextensions installation documentation
docs: fix rcextensions installation documentation

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__init__.py
75 lines | 2.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2015-2018 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import logging
from dogpile.cache import register_backend
register_backend(
"dogpile.cache.rc.memory_lru", "rhodecode.lib.rc_cache.backends",
"LRUMemoryBackend")
register_backend(
"dogpile.cache.rc.file_namespace", "rhodecode.lib.rc_cache.backends",
"FileNamespaceBackend")
register_backend(
"dogpile.cache.rc.redis", "rhodecode.lib.rc_cache.backends",
"RedisPickleBackend")
log = logging.getLogger(__name__)
from . import region_meta
from .utils import (
get_default_cache_settings, key_generator, get_or_create_region,
clear_cache_namespace, make_region, InvalidationContext,
FreshRegionCache, ActiveRegionCache)
def configure_dogpile_cache(settings):
cache_dir = settings.get('cache_dir')
if cache_dir:
region_meta.dogpile_config_defaults['cache_dir'] = cache_dir
rc_cache_data = get_default_cache_settings(settings, prefixes=['rc_cache.'])
# inspect available namespaces
avail_regions = set()
for key in rc_cache_data.keys():
namespace_name = key.split('.', 1)[0]
avail_regions.add(namespace_name)
log.debug('dogpile: found following cache regions: %s', avail_regions)
# register them into namespace
for region_name in avail_regions:
new_region = make_region(
name=region_name,
function_key_generator=key_generator
)
new_region.configure_from_config(settings, 'rc_cache.{}.'.format(region_name))
log.debug('dogpile: registering a new region %s[%s]',
region_name, new_region.__dict__)
region_meta.dogpile_cache_regions[region_name] = new_region
def includeme(config):
configure_dogpile_cache(config.registry.settings)