7ec9bbdc15
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2387 fd906abe-77d9-0310-91a1-e0d9ade77398
111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
#
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# Copyright (c) 2008 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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A member information provider is used to collect user/member/person attributes.
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$Id$
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"""
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from zope import component
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from zope.app.security.interfaces import IAuthentication
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from zope.cachedescriptors.property import Lazy
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from zope.interface import Interface, Attribute, implements
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from cybertools.util.jeep import Jeep
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# interfaces
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class IMemberInfoProvider(Interface):
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""" Usually implemented by an adapter; provides a set of
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user/member/person properties.
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"""
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priority = Attribute('A number denoting the priority of the provider; '
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'a provider with a high number may be overriden with a lower number.')
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data = Attribute('A collection/ordered mapping of member property objects '
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'for the currently logged-in user.')
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def getData(principalId):
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""" Return the member properties for the principal identified by
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the principal id given.
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"""
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def getDataForCategory(category, principalId=None):
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""" Return a collection of the properties for the category given.
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If no principal id is given use the currently logged-in user.
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"""
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class IMemberProperty(Interface):
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name = Attribute('The name/identifier of the property.')
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title = Attribute('A short and descriptive title.')
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category = Attribute('A string denoting a category or classification.')
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#default implementation
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class MemberProperty(object):
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implements(IMemberProperty)
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def __init__(self, name, value, title=None, category='default'):
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self.name = name
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self.value = value
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self.title = title or name
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self.category = category
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class MemberInfoProvider(object):
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implements(IMemberInfoProvider)
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defaultData = Jeep((MemberProperty('id', '???', u'ID'),
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MemberProperty('title', u'unknown', u'Title'),
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MemberProperty('description', u'',
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u'Description'),
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))
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def __init__(self, context, request):
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self.context = context
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self.request = request
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@Lazy
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def data(self):
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return self.getData()
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def getData(self, principalId=None):
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if principalId is None:
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principal = self.request.principal
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else:
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pau = component.getUtility(IAuthentication)
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principal = pau.getPrincipal(principalId)
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if principal is not None:
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return self.getPrincipalData(principal)
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else:
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return self.defaultData
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def getPrincipalData(self, principal):
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return Jeep((MemberProperty('id', principal.id, u'ID'),
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MemberProperty('title', principal.title, u'Title'),
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MemberProperty('description', principal.description,
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u'Description'),
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))
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