--- a/web/views/owl.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,233 +0,0 @@
-# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""produces some Ontology Web Language schema and views
-
-"""
-__docformat__ = "restructuredtext en"
-from cubicweb import _
-
-from six.moves import range
-
-from logilab.mtconverter import TransformError, xml_escape
-
-from cubicweb.view import StartupView, EntityView
-from cubicweb.predicates import none_rset, match_view
-from cubicweb.web.action import Action
-from cubicweb.web.views import schema
-
-OWL_CARD_MAP = {'1': '<rdf:type rdf:resource="&owl;FunctionalProperty"/>',
- '?': '<owl:maxCardinality rdf:datatype="&xsd;int">1</owl:maxCardinality>',
- '+': '<owl:minCardinality rdf:datatype="&xsd;int">1</owl:minCardinality>',
- '*': ''
- }
-
-OWL_TYPE_MAP = {'String': 'xsd:string',
- 'Bytes': 'xsd:byte',
- 'Password': 'xsd:byte',
-
- 'Boolean': 'xsd:boolean',
- 'Int': 'xsd:int',
- 'BigInt': 'xsd:int',
- 'Float': 'xsd:float',
- 'Decimal' : 'xsd:decimal',
-
- 'Date':'xsd:date',
- 'Datetime': 'xsd:dateTime',
- 'TZDatetime': 'xsd:dateTime',
- 'Time': 'xsd:time',
- 'TZTime': 'xsd:time',
- 'Interval': 'xsd:duration'
- }
-
-OWL_OPENING_ROOT = u'''<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE rdf:RDF [
- <!ENTITY owl "http://www.w3.org/2002/07/owl#" >
- <!ENTITY xsd "http://www.w3.org/2001/XMLSchema#" >
-]>
-<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
- xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
- xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
- xmlns:owl="http://www.w3.org/2002/07/owl#"
- xmlns="http://logilab.org/owl/ontologies/%(appid)s#"
- xmlns:%(appid)s="http://logilab.org/owl/ontologies/%(appid)s#"
- xmlns:base="http://logilab.org/owl/ontologies/%(appid)s">
-
- <owl:Ontology rdf:about="">
- <rdfs:comment>
- %(appid)s Cubicweb OWL Ontology
- </rdfs:comment>
- </owl:Ontology>'''
-
-OWL_CLOSING_ROOT = u'</rdf:RDF>'
-
-
-class OWLView(StartupView):
- """This view export in owl format schema database. It is the TBOX"""
- __regid__ = 'owl'
- title = _('owl')
- templatable = False
- content_type = 'application/xml' # 'text/xml'
-
- def call(self, writeprefix=True):
- skipmeta = int(self._cw.form.get('skipmeta', True))
- if writeprefix:
- self.w(OWL_OPENING_ROOT % {'appid': self._cw.vreg.schema.name})
- self.visit_schema(skiptypes=skipmeta and schema.SKIP_TYPES or ())
- if writeprefix:
- self.w(OWL_CLOSING_ROOT)
-
- def should_display_rschema(self, eschema, rschema, role):
- return not rschema in self.skiptypes and (
- rschema.may_have_permission('read', self._cw, eschema, role))
-
- def visit_schema(self, skiptypes):
- """get a layout for a whole schema"""
- self.skiptypes = skiptypes
- entities = sorted(eschema for eschema in self._cw.vreg.schema.entities()
- if not eschema.final or eschema in skiptypes)
- self.w(u'<!-- classes definition -->')
- for eschema in entities:
- self.visit_entityschema(eschema)
- self.w(u'<!-- property definition -->')
- self.visit_property_schema(eschema)
- self.w(u'<!-- datatype property -->')
- self.visit_property_object_schema(eschema)
-
- def visit_entityschema(self, eschema):
- """get a layout for an entity OWL schema"""
- self.w(u'<owl:Class rdf:ID="%s">'% eschema)
- self.w(u'<!-- relations -->')
- for rschema, targetschemas, role in eschema.relation_definitions():
- if not self.should_display_rschema(eschema, rschema, role):
- continue
- for oeschema in targetschemas:
- card = rschema.role_rdef(eschema, oeschema, role).role_cardinality(role)
- cardtag = OWL_CARD_MAP[card]
- if cardtag:
- self.w(u'''<rdfs:subClassOf>
- <owl:Restriction>
- <owl:onProperty rdf:resource="#%s"/>
- %s
- </owl:Restriction>
-</rdfs:subClassOf>''' % (rschema, cardtag))
-
- self.w(u'<!-- attributes -->')
- for rschema, aschema in eschema.attribute_definitions():
- if not self.should_display_rschema(eschema, rschema, 'subject'):
- continue
- self.w(u'''<rdfs:subClassOf>
- <owl:Restriction>
- <owl:onProperty rdf:resource="#%s"/>
- <rdf:type rdf:resource="&owl;FunctionalProperty"/>
- </owl:Restriction>
-</rdfs:subClassOf>''' % rschema)
- self.w(u'</owl:Class>')
-
- def visit_property_schema(self, eschema):
- """get a layout for property entity OWL schema"""
- for rschema, targetschemas, role in eschema.relation_definitions():
- if not self.should_display_rschema(eschema, rschema, role):
- continue
- for oeschema in targetschemas:
- self.w(u'''<owl:ObjectProperty rdf:ID="%s">
- <rdfs:domain rdf:resource="#%s"/>
- <rdfs:range rdf:resource="#%s"/>
-</owl:ObjectProperty>''' % (rschema, eschema, oeschema.type))
-
- def visit_property_object_schema(self, eschema):
- for rschema, aschema in eschema.attribute_definitions():
- if not self.should_display_rschema(eschema, rschema, 'subject'):
- continue
- self.w(u'''<owl:DatatypeProperty rdf:ID="%s">
- <rdfs:domain rdf:resource="#%s"/>
- <rdfs:range rdf:resource="%s"/>
-</owl:DatatypeProperty>''' % (rschema, eschema, OWL_TYPE_MAP[aschema.type]))
-
-
-class OWLABOXView(EntityView):
- '''This view represents a part of the ABOX for a given entity.'''
- __regid__ = 'owlabox'
- title = _('owlabox')
- templatable = False
- content_type = 'application/xml' # 'text/xml'
-
- def call(self):
- self.w(OWL_OPENING_ROOT % {'appid': self._cw.vreg.schema.name})
- for i in range(self.cw_rset.rowcount):
- self.cell_call(i, 0)
- self.w(OWL_CLOSING_ROOT)
-
- def cell_call(self, row, col):
- self.wview('owlaboxitem', self.cw_rset, row=row, col=col)
-
-
-class OWLABOXItemView(EntityView):
- '''This view represents a part of the ABOX for a given entity.'''
- __regid__ = 'owlaboxitem'
- templatable = False
- content_type = 'application/xml' # 'text/xml'
-
- def cell_call(self, row, col):
- entity = self.cw_rset.complete_entity(row, col)
- eschema = entity.e_schema
- self.w(u'<%s rdf:ID="%s">' % (eschema, entity.eid))
- self.w(u'<!--attributes-->')
- for rschema, aschema in eschema.attribute_definitions():
- if rschema.meta:
- continue
- rdef = rschema.rdef(eschema, aschema)
- if not rdef.may_have_permission('read', self._cw):
- continue
- aname = rschema.type
- if aname == 'eid':
- continue
- try:
- attr = entity.printable_value(aname, format='text/plain')
- if attr:
- self.w(u'<%s>%s</%s>' % (aname, xml_escape(attr), aname))
- except TransformError:
- pass
- self.w(u'<!--relations -->')
- for rschema, targetschemas, role in eschema.relation_definitions():
- if rschema.meta:
- continue
- for tschema in targetschemas:
- rdef = rschema.role_rdef(eschema, tschema, role)
- if rdef.may_have_permission('read', self._cw):
- break
- else:
- # no read perms to any relation of this type. Skip.
- continue
- if role == 'object':
- attr = 'reverse_%s' % rschema.type
- else:
- attr = rschema.type
- for x in getattr(entity, attr):
- self.w(u'<%s>%s %s</%s>' % (attr, x.__regid__, x.eid, attr))
- self.w(u'</%s>'% eschema)
-
-
-class DownloadOWLSchemaAction(Action):
- __regid__ = 'download_as_owl'
- __select__ = none_rset() & match_view('schema')
-
- category = 'mainactions'
- title = _('download schema as owl')
-
- def url(self):
- return self._cw.build_url('view', vid='owl')