a66d7f81c7
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1655 fd906abe-77d9-0310-91a1-e0d9ade77398
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
#
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# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
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#
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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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#
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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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#
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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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#
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"""
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Utilities for managing version informations.
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$Id$
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"""
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from loops.versioning.interfaces import IVersionable
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def getVersion(obj, request):
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""" Check if another version should be used for the object
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provided and return it.
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"""
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versionRequest = request.form.get('version')
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if versionRequest == 'this':
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# we really want this object, not another version
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return obj
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versionable = IVersionable(obj, None)
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if versionable is None:
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return obj
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if not versionRequest:
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# find and return a standard version
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v = versionable.releasedVersion
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if v is None:
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v = versionable.currentVersion
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return v
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# we might have a versionId in the request
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v = versionable.versions.get(versionRequest)
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if v is not None:
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return v
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return obj
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def getMaster(obj):
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versionable = IVersionable(obj, None)
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if versionable is None:
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return obj
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return versionable.master
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