907dda565a
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2108 fd906abe-77d9-0310-91a1-e0d9ade77398
106 lines
3.5 KiB
Python
106 lines
3.5 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.cachedescriptors.property import Lazy
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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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from loops.query import ConceptQuery
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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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@Lazy
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def query(self):
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return ConceptQuery(self.context)
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def handleCustomer(self, name):
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custTypes = self.getTypes(('institution', 'customer',))
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for c in self.findConcepts(name):
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if IType(c).typeProvider in custTypes:
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yield Statement(c)
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def handleEmployee(self, name):
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for c in self.findConcepts(name):
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if IPerson.providedBy(adapted(c)):
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yield Statement(c)
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def handleOwner(self, name):
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cm = self.conceptManager
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ownedby = cm.get('ownedby')
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for c in self.findConcepts(name):
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if IPerson.providedBy(adapted(c)):
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yield Statement(c, ownedby)
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def handleDoctype(self, name):
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docTypes = self.getTypes(('doctype',))
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for c in self.findConcepts(name):
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if IType(c).typeProvider in docTypes:
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yield Statement(c)
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handlers = dict(cust=handleCustomer, emp=handleEmployee)
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def extractStatements(self, informationSet):
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result = []
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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))
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if len(parts) > 1:
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result.extend(self.handleDoctype(parts.pop(0)))
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if len(parts) > 1:
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result.extend(self.handleOwner(parts.pop(0)))
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return result
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def findConcepts(self, name):
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return self.query.query(name, 'loops:concept:*')
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@Lazy
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def conceptManager(self):
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return self.context.context.getConceptManager()
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def getTypes(self, typeNames):
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cm = self.conceptManager
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return [c for c in [cm.get(name) for name in typeNames] if c is not None]
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