[doc, adapters] drop deprecated code from examples
# copyright 2003-2010 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/>."""core hooks"""__docformat__="restructuredtext en"fromdatetimeimporttimedelta,datetimefromcubicweb.serverimporthookclassServerStartupHook(hook.Hook):"""task to cleanup expirated auth cookie entities"""__regid__='cw_cleanup_transactions'events=('server_startup',)def__call__(self):# XXX use named args and inner functions to avoid referencing globals# which may cause reloading pblifetime=timedelta(days=self.repo.config['keep-transaction-lifetime'])defcleanup_old_transactions(repo=self.repo,lifetime=lifetime):mindate=datetime.now()-lifetimesession=repo.internal_session()try:session.system_sql('DELETE FROM transactions WHERE tx_time < %(time)s',{'time':mindate})# cleanup deleted entitiessession.system_sql('DELETE FROM deleted_entities WHERE dtime < %(time)s',{'time':mindate})session.commit()finally:session.close()self.repo.looping_task(60*60*24,cleanup_old_transactions,self.repo)