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# RhodeCode VCSServer provides access to different vcs backends via network.
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# Copyright (C) 2014-2020 RhodeCode GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import logging
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from dogpile.cache import register_backend
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register_backend(
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"dogpile.cache.rc.memory_lru", "vcsserver.lib.rc_cache.backends",
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"LRUMemoryBackend")
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register_backend(
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"dogpile.cache.rc.file_namespace", "vcsserver.lib.rc_cache.backends",
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"FileNamespaceBackend")
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register_backend(
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"dogpile.cache.rc.redis", "vcsserver.lib.rc_cache.backends",
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"RedisPickleBackend")
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register_backend(
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"dogpile.cache.rc.redis_msgpack", "vcsserver.lib.rc_cache.backends",
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"RedisMsgPackBackend")
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log = logging.getLogger(__name__)
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from . import region_meta
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from .utils import (
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get_default_cache_settings, backend_key_generator, get_or_create_region,
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clear_cache_namespace, make_region)
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def configure_dogpile_cache(settings):
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cache_dir = settings.get('cache_dir')
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if cache_dir:
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region_meta.dogpile_config_defaults['cache_dir'] = cache_dir
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rc_cache_data = get_default_cache_settings(settings, prefixes=['rc_cache.'])
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# inspect available namespaces
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avail_regions = set()
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for key in rc_cache_data.keys():
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namespace_name = key.split('.', 1)[0]
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if namespace_name in avail_regions:
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continue
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avail_regions.add(namespace_name)
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log.debug('dogpile: found following cache regions: %s', namespace_name)
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new_region = make_region(
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name=namespace_name,
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function_key_generator=None
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)
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new_region.configure_from_config(settings, 'rc_cache.{}.'.format(namespace_name))
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new_region.function_key_generator = backend_key_generator(new_region.actual_backend)
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if log.isEnabledFor(logging.DEBUG):
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region_args = dict(backend=new_region.actual_backend.__class__,
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region_invalidator=new_region.region_invalidator.__class__)
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log.debug('dogpile: registering a new region `%s` %s', namespace_name, region_args)
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region_meta.dogpile_cache_regions[namespace_name] = new_region
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def includeme(config):
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configure_dogpile_cache(config.registry.settings)
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