dd809a07af
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2073 fd906abe-77d9-0310-91a1-e0d9ade77398
105 lines
2.9 KiB
Python
105 lines
2.9 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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Adapters and others classes for analyzing resources.
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$Id$
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"""
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from zope.cachedescriptors.property import Lazy
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from zope import component
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from zope.component import adapts
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from zope.event import notify
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from zope.interface import implements
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from zope.traversing.api import getName, getParent
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from loops.classifier.interfaces import IClassifier, IExtractor, IAnalyzer
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from loops.classifier.interfaces import IInformationSet, IStatement
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from loops.common import AdapterBase, adapted
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from loops.interfaces import IResource, IConcept
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from loops.resource import Resource
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from loops.setup import addAndConfigureObject
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from loops.type import TypeInterfaceSourceList
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TypeInterfaceSourceList.typeInterfaces += (IClassifier,)
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class Classifier(AdapterBase):
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""" A concept adapter for analyzing resources.
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"""
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implements(IClassifier)
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adapts(IConcept)
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_contextAttributes = list(IClassifier) + list(IConcept)
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def process(self, resource):
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infoSet = InformationSet()
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for name in self.extractors.split():
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extractor = component.getAdapter(adapted(resource), IExtractor, name=name)
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infoSet.update(extractor.extractInformationSet())
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analyzer = component.getAdapter(self, name=self.analyzer)
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statements = analyzer.extractStatements(infoSet)
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for statement in statements:
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self.assignConcept(statement)
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def assignConcept(self, statement):
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pass
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class Extractor(object):
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implements(IExtractor)
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adapts(IResource)
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def __init__(self, context):
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self.context = context
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def extractInformationSet(self):
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return InformationSet()
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class Analyzer(object):
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implements(IAnalyzer)
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adapts(IClassifier)
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def __init__(self, context):
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self.context = context
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def extractStatements(self, informationSet):
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return []
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class InformationSet(dict):
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implements(IInformationSet)
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class Statement(object):
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implements(IStatement)
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def __init__(self, object=None, predicate=None, subject=None, relevance=100):
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self.subject = subject
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self.predicate = predicate
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self.object = object
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self.relevance = relevance
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