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base.py
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# RhodeCode VCSServer provides access to different vcs backends via network.
# Copyright (C) 2014-2016 RodeCode GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# 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 General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import logging
log = logging.getLogger(__name__)
class RepoFactory(object):
"""
Utility to create instances of repository
It provides internal caching of the `repo` object based on
the :term:`call context`.
"""
def __init__(self, repo_cache):
self._cache = repo_cache
def _create_config(self, path, config):
config = {}
return config
def _create_repo(self, wire, create):
raise NotImplementedError()
def repo(self, wire, create=False):
"""
Get a repository instance for the given path.
Uses internally the low level beaker API since the decorators introduce
significant overhead.
"""
def create_new_repo():
return self._create_repo(wire, create)
return self._repo(wire, create_new_repo)
def _repo(self, wire, createfunc):
context = wire.get('context', None)
cache = wire.get('cache', True)
log.debug(
'GET %s@%s with cache:%s. Context: %s',
self.__class__.__name__, wire['path'], cache, context)
if context and cache:
cache_key = (context, wire['path'])
log.debug(
'FETCH %s@%s repo object from cache. Context: %s',
self.__class__.__name__, wire['path'], context)
return self._cache.get(key=cache_key, createfunc=createfunc)
else:
log.debug(
'INIT %s@%s repo object based on wire %s. Context: %s',
self.__class__.__name__, wire['path'], wire, context)
return createfunc()