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# SchoolTool - common information systems platform for school administration
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# Copyright (c) 2009 Shuttleworth Foundation
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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 2 of the License, or
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# (at your option) any later version.
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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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# 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
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Upgrade scholtool.intervention to generation 3.
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Evolution script to get rid of intervention students for which there is no
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from zope.app.generations.utility import findObjectsProviding
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from zope.app.generations.utility import getRootFolder
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from zope.component.hooks import getSite, setSite
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from schooltool.app.interfaces import ISchoolToolApplication
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root = getRootFolder(context)
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apps = findObjectsProviding(root, ISchoolToolApplication)
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interventionRoot = app.get(u'schooltool.interventions', {})
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for schoolYear in interventionRoot.values():
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for student in list(schoolYear):
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if student not in app[u'persons']:
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del schoolYear[student]