# # Copyright (c) 2007 Helmut Merz helmutm@cy55.de # # 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 2 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # """ Utilities for managing version informations. $Id$ """ from loops.versioning.interfaces import IVersionable def getVersion(obj, request=None): """ Check if another version should be used for the object provided and return it. """ versionRequest = request and request.get('version') or None if versionRequest == 'this': # we really want this object, not another version return obj versionable = IVersionable(obj, None) if versionable is None: return obj if versionRequest: # we might have a versionId in the request v = versionable.versions.get(versionRequest) if v is not None: return v # find and return a standard version v = versionable.releasedVersion if v is None: v = versionable.currentVersion return v def getMaster(obj): versionable = IVersionable(obj, None) if versionable is None: return obj return versionable.master def cleanupVersionsOnList(lst): result = [] for el in lst: result.append(el) return result