[source synchronization hooks] Fix/enhance system source hooks
They are broken if launched during repository initialization (this was not the
case yet, but will be soon...). Add additional checks to ensure one doesn't try
to store system source config in the database, as it will be ignored in favor of
the "sources" file.
# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
from warnings import warn
from logilab.common.deprecation import class_moved
warn('[3.15] moved to logilab.common.registry', DeprecationWarning, stacklevel=2)
from logilab.common.registry import *
VRegistry = class_moved(RegistryStore, old_name='VRegistry', message='[3.15] VRegistry moved to logilab.common.registry as RegistryStore')