32ef1a067d
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2437 fd906abe-77d9-0310-91a1-e0d9ade77398
245 lines
9.2 KiB
Python
245 lines
9.2 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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Automatic setup of a loops site.
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$Id$
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"""
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from zope.lifecycleevent import ObjectCreatedEvent, ObjectModifiedEvent
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from zope.event import notify
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from zope.component import adapts
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from zope.interface import implements, Interface
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from zope.traversing.api import getName
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from cybertools.typology.interfaces import IType
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from loops.common import adapted
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from loops.concept import ConceptManager, Concept
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from loops.interfaces import ILoops, ITypeConcept
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from loops.interfaces import IFile, IImage, ITextDocument, INote
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from loops.query import IQueryConcept
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from loops.record import RecordManager
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from loops.resource import ResourceManager, Resource
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from loops.view import ViewManager, Node
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class ISetupManager(Interface):
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""" An object that controls the setup of a loops site.
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"""
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def setup():
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""" Set up a loops site: create all necessary objects and the
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relations between them.
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"""
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class SetupManager(object):
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adapts(ILoops)
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implements(ISetupManager)
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def __init__(self, context):
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self.context = context
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def setup(self):
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concepts, resources, views = self.setupManagers()
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self.setupCoreConcepts(concepts)
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appSetups = dict(component.getAdapters((self.context,), ISetupManager))
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for smName in appSetups:
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if smName: # skip core (unnamed), i.e. this, adapter
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appSetups[smName].setup()
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return concepts, resources, views # just for convenience when testing
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def setupManagers(self):
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loopsRoot = self.context
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concepts = self.addObject(loopsRoot, ConceptManager, 'concepts')
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resources = self.addObject(loopsRoot, ResourceManager, 'resources')
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views = self.addObject(loopsRoot, ViewManager, 'views')
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records = self.addObject(loopsRoot, RecordManager, 'records')
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return concepts, resources, views
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def setupCoreConcepts(self, conceptManager):
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typeConcept = self.addObject(conceptManager, Concept, 'type', title=u'Type')
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hasType = self.addObject(conceptManager, Concept, 'hasType', title=u'has Type')
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predicate = self.addObject(conceptManager, Concept, 'predicate', title=u'Predicate')
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standard = self.addObject(conceptManager, Concept, 'standard', title=u'subobject')
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domain = self.addObject(conceptManager, Concept, 'domain', title=u'Domain')
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query = self.addObject(conceptManager, Concept, 'query', title=u'Query')
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file = self.addObject(conceptManager, Concept, 'file', title=u'File')
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textdocument = self.addObject(conceptManager, Concept,
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'textdocument', title=u'Text')
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note = self.addObject(conceptManager, Concept, 'note', title=u'Note')
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for c in (typeConcept, domain, query, note, file, textdocument, predicate):
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c.conceptType = typeConcept
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notify(ObjectModifiedEvent(c))
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ITypeConcept(typeConcept).typeInterface = ITypeConcept
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ITypeConcept(query).typeInterface = IQueryConcept
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ITypeConcept(file).typeInterface = IFile
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ITypeConcept(textdocument).typeInterface = ITextDocument
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ITypeConcept(note).typeInterface = INote
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ITypeConcept(note).viewName = 'note.html'
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hasType.conceptType = predicate
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standard.conceptType = predicate
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# standard properties and methods
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@Lazy
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def concepts(self):
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return self.context.getConceptManager()
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@Lazy
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def resources(self):
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return self.context.getResourceManager()
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@Lazy
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def views(self):
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return self.context.getViewManager()
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@Lazy
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def typeConcept(self):
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return self.concepts.getTypeConcept()
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@Lazy
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def predicateType(self):
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return self.concepts.getPredicateType()
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def addType(self, name, title, typeInterface=None, **kw):
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c = self.addConcept(name, title, self.typeConcept,
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typeInterface=typeInterface, **kw)
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return c
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def addPredicate(self, name, title, **kw):
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c = self.addConcept(name, title, self.predicateType, **kw)
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return c
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def addConcept(self, name, title, conceptType, description=u'',
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parentName=None, **kw):
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if name in self.concepts:
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self.log("Concept '%s' ('%s') already exists." % (name, title))
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c = self.concepts[name]
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if c.conceptType != conceptType:
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self.log("Wrong concept type for '%s': '%s' instead of '%s'." %
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(name, getName(c.conceptType), getName(conceptType)))
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else:
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c = addAndConfigureObject(self.concepts, Concept, name, title=title,
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description=description,
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conceptType=conceptType, **kw)
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self.log("Concept '%s' ('%s') created." % (name, title))
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if parentName is not None:
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self.assignChild(parentName, name)
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return c
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def setConceptAttribute(self, concept, attr, value):
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setattr(adapted(concept), attr, value)
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self.log("Setting Attribute '%s' of '%s' to '%s'" %
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(attr, getName(concept), repr(value)))
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def assignChild(self, conceptName, childName, predicate=None):
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if predicate is None:
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predicate = self.concepts.getDefaultPredicate()
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if isinstance(predicate, basestring):
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predicate = self.concepts[predicate]
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concept = self.concepts[conceptName]
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child = self.concepts[childName]
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if child in concept.getChildren([predicate]):
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self.log("Concept '%s' is already a child of '%s with predicate '%s'.'" %
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(childName, conceptName, getName(predicate)))
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else:
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concept.assignChild(child, predicate)
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def addNode(self, name, title, container=None, nodeType='page',
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description=u'', body=u'', targetName=None, **kw):
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if container is None:
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container = self.views
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nodeType = 'menu'
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if name in container:
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self.log("Node '%s' ('%s') already exists in '%s'." %
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(name, title, getName(container)))
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n = container[name]
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if n.nodeType != nodeType:
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self.log("Wrong node type for '%s': '%s' instead of '%s'." %
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(name, n.nodeType, nodeType))
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else:
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n = addAndConfigureObject(container, Node, name, title=title,
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description=description, body=body,
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nodeType=nodeType, **kw)
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self.log("Node '%s' ('%s') created." % (name, title))
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if targetName is not None:
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if targetName in self.concepts:
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n.target = self.concepts[targetName]
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return n
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def log(self, message):
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if isinstance(message, unicode):
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message = message.encode('UTF-8')
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print >> self.logger, message
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def addObject(self, container, class_, name, **kw):
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return addObject(container, class_, name, **kw)
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def addAndConfigureObject(self, container, class_, name, **kw):
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return addAndConfigureObject(container, class_, name, **kw)
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def addObject(container, class_, name, **kw):
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if name in container:
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return container[name]
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obj = container[name] = class_()
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for attr, value in kw.items():
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if attr == 'type':
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obj.setType(value)
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else:
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setattr(obj, attr, value)
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notify(ObjectCreatedEvent(obj))
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notify(ObjectModifiedEvent(obj))
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return obj
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def addAndConfigureObject(container, class_, name, **kw):
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basicAttributes = ('title', 'description', 'conceptType', 'resourceType',
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'nodeType', 'body')
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basicKw = dict([(k, kw[k]) for k in kw if k in basicAttributes])
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obj = addObject(container, class_, name, **basicKw)
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adapted = obj
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if class_ in (Concept, Resource):
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ti = IType(obj).typeInterface
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if ti is not None:
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adapted = ti(obj)
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adapterAttributes = [k for k in kw if k not in basicAttributes]
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for attr in adapterAttributes:
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setattr(adapted, attr, kw[attr])
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notify(ObjectModifiedEvent(obj))
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return obj
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class SetupView(object):
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""" Allows to carry out setup actions manually.
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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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self.manager = ISetupManager(context)
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def setupLoopsSite(self):
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#self.manager.setupManagers()
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self.manager.setup()
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return 'Done'
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