1e0b976929
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2072 fd906abe-77d9-0310-91a1-e0d9ade77398
111 lines
3.7 KiB
Python
111 lines
3.7 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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Sample classifier implementation.
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$Id$
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"""
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from zope import component
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from zope.app.catalog.interfaces import ICatalog
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from zope.component import adapts
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from cybertools.organize.interfaces import IPerson
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from cybertools.typology.interfaces import IType
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from loops.classifier.base import Analyzer
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from loops.classifier.base import Statement
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from loops.common import adapted
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class SampleAnalyzer(Analyzer):
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""" A fairly specific analyzer that expects filenames following this
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format:
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ctype_name_doctype_owner_date.extension
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with ctype = ('cust', 'emp'), spec is the short name of a customer or
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an employee, doctype = ('note', 'contract'), and owner
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being the short name of the user that is responsible for the
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resource.
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"""
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def handleCustomer(self, name, classifier):
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result = []
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candidates = self.findConcepts(name)
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cm = self.getConceptManager(classifier)
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custTypes = [c for c in (cm.get('institution'), cm.get('customer'),)
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if c is not None]
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for c in candidates:
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ctype = IType(c)
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if ctype.typeProvider in custTypes:
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result.append(Statement(c))
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return result
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def handleEmployee(self, name, classifier):
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result = []
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candidates = self.findConcepts(name)
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cm = self.getConceptManager(classifier)
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for c in candidates:
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ctype = IType(c)
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if ctype.typeInterface == IPerson:
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result.append(Statement(c))
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return result
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def handleOwner(self, name, classifier):
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result = []
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candidates = self.findConcepts(name)
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cm = self.getConceptManager(classifier)
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for c in candidates:
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if IPerson.providedBy(adapted(c)):
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result.append(Statement(c))
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return result
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def handleDoctype(self, name, classifier):
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result = []
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#print 'doctype', name
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return result
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handlers = dict(cust=handleCustomer, emp=handleEmployee)
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def extractStatements(self, informationSet, classifier=None):
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result = []
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if classifier is None:
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return result # classifier is needed for getting access to concepts
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fn = informationSet.get('filename')
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if fn is None:
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return result
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parts = fn.split('_')
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if len(parts) > 1:
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ctype = parts.pop(0)
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if ctype in self.handlers:
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name = parts.pop(0)
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result.extend(self.handlers[ctype](self, name, classifier))
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if len(parts) > 1:
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result.extend(self.handleDoctype(parts.pop(0), classifier))
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if len(parts) > 1:
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result.extend(self.handleOwner(parts.pop(0), classifier))
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return result
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def findConcepts(self, name):
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cat = component.getUtility(ICatalog)
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return cat.searchResults(loops_text=name)
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def getConceptManager(self, obj):
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return obj.context.getLoopsRoot().getConceptManager()
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