[TASK] Now supports OE-Tree and OE<->Person relationships.
Also supports different types of persons.
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210
triplify.py
210
triplify.py
@ -2,9 +2,25 @@
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from sqlalchemy import *
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy.orm import relationship, backref
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Base = declarative_base()
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"""
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class HsHOrganizationalUnitType(Base):
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__tablename__ = 'organizational_unit_type'
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id = Column(Integer, primary_key=True)
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name = Column(String)
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class HsHOrganizationalUnit(Base):
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__tablename__ = 'organizational_unit';
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id = Column(Integer, primary_key=True)
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name = Column(String)
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parent = Column(Integer, ForeignKey('organizational_unit.id'))
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acronym = Column(String)
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post_address = Column(Integer)
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organizational_unit_type = Column(Integer, ForeignKey('organizational_unit_type.id'))
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oParent = relationship("HsHOrganizationalUnit", remote_side=[id])
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class HsHMembership(Base):
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__tablename__ = 'membership'
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id = Column(Integer, primary_key=True)
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@ -13,9 +29,16 @@ class HsHMembership(Base):
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start_date = Column(DateTime)
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end_date = Column(DateTime)
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active = Column(String)
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business_role = Column(Integer)
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business_role = Column(Integer, ForeignKey('business_role.id'))
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mPerson = relationship("HsHPerson")
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"""
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mBusinessRole = relationship("HsHBusinessRole")
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class HsHBusinessRole(Base):
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__tablename__ = 'business_role'
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id = Column(Integer, primary_key=True)
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name = Column(String)
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description = Column(String)
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class HsHPerson(Base):
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__tablename__ = 'person'
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id = Column(Integer, primary_key=True)
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@ -25,8 +48,8 @@ class HsHPerson(Base):
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title_suffix = Column(String)
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account = Column(Integer)
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gender = Column(String)
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birthday = Column(DateTime) #TODO: without timezone!
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#memberships = relationship("HsHMembership", backref='person')
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#birthday = Column(DateTime) #TODO: without timezone!
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memberships = relationship("HsHMembership")
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class HsHTelephone(Base):
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__tablename__ = 'telephone'
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@ -46,31 +69,28 @@ from rdflib.namespace import XSD
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foaf = Namespace('http://xmlns.com/foaf/0.1/')
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core = Namespace('http://vivoweb.org/ontology/core#')
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vitro = Namespace('http://vitro.mannlib.cornell.edu/ns/vitro/0.7')
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vivo = Namespace('http://vivoweb.org/ontology/core#')
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vcard = Namespace('http://www.w3.org/2006/vcard/ns#')
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obo = Namespace('http://purl.obolibrary.org/obo/')
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local = Namespace('http://vivo.bib.hs-hannover.de/person')
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hsh = Namespace('http://vivo.bib.hs-hannover.de/ontology/hshOntologie#')
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localPerson = Namespace('http://vivo.bib.hs-hannover.de/person')
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localOrg = Namespace('http://vivo.bib.hs-hannover.de/org')
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def get_graph():
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"""Small little helper to create graph with namespaces ;-)"""
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g = rdfSubject.db
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g.bind('foaf', foaf)
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g.bind('core', core)
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g.bind('vitro', vitro)
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g.bind('vivo', vivo)
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g.bind('vcard', vcard)
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g.bind('obo', obo)
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g.bind('local', local)
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g.bind('localperson', localPerson)
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g.bind('localorg', localOrg)
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g.bind('hsh', hsh)
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return g
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class IdSequence:
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"""Small Helper for easy sequences"""
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def __init__(self, start):
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self.num = start - 1
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def getNext(self):
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self.num += 1
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return self.num
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class Thing(rdfSubject):
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rdf_type = OWL.Thing
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label = rdfSingle(RDFS.label)
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@ -84,62 +104,142 @@ class Person(hshThing):
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name = rdfSingle(vcard.familyName)
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hasContactInfo = rdfSingle(obo.ARG_2000028)
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label = rdfSingle(RDFS.label)
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associatedOe = rdfSingle(vivo.relatedBy)
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class FacultyMember(Person):
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rdf_type = vivo.FacultyMember
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class NonFacultyAcademic(Person):
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rdf_type = vivo.NonFacultyAcademic
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class NonAcademic(Person):
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rdf_type = vivo.NonAcademic
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class ContactInfo(Thing):
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rdf_type = vcard.Individual
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hasTitle = rdfSingle(vcard.hasTitle)
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contactInformationFor = rdfSingle(obo.ARG_2000029)
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hasTitle = rdfSingle(vcard.hasTitle,range_type=vcard.Title)
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contactInformationFor = rdfSingle(obo.ARG_2000029,range_type=foaf.Person)
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class Title(Thing):
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rdf_type = vcard.Title
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title = rdfSingle(vcard.title)
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title = rdfSingle(vcard.title,range_type=XSD.String)
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def createRDFFromSQL():
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"""Fetch data from postgres and map them into RDF"""
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class Organization(hshThing):
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rdf_type = foaf.Organization
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label = rdfSingle(RDFS.label)
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parentOe = rdfSingle(obo.BFO_0000050)
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class IdSequence:
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"""Small Helper for easy sequences"""
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def __init__(self, start):
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self.num = start - 1
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def getNext(self):
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self.num += 1
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return self.num
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def addPersonToGraph(sqlP, additionalIdSeq):
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"""Add a given HsHPerson to the graph."""
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combined_title = ''
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if sqlP.title_prefix != None:
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combined_title = sqlP.title_prefix
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if sqlP.title_suffix != None:
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if combined_title == '':
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combined_title = sqlP.title_suffix
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else:
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combined_title += ' ' + sqlP.title_suffix
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person_uri = URIRef("%s/%s" % (localPerson, sqlP.id))
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hshThing(person_uri)
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rdfP = Person(person_uri) #WTF?!
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rdfP.firstname = sqlP.firstname;
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rdfP.name = sqlP.name;
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rdfP.label = "%s, %s" % (sqlP.name, sqlP.firstname)
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# If there is a title to add, do it.
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if(combined_title != ''):
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title_uri = URIRef("%s/%s" % (localPerson, additionalIdSeq.getNext()))
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rdfTitle = Title(title_uri)
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rdfTitle.title = combined_title
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contact_info_uri = URIRef("%s/%s" % (localPerson, additionalIdSeq.getNext()))
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rdfCi = ContactInfo(contact_info_uri)
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rdfCi.hasTitle = rdfTitle
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rdfCi.contactInformationFor = rdfP
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rdfP.hasContactInfo = rdfCi
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return person_uri
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def processPersons(session, additionalIdSeq):
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"""Fetch persons, create triples for them."""
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persons = session.query(HsHPerson)
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for count, sqlP in enumerate(persons):
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if sqlP.memberships == []:
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continue #SKIP PEOPLE WITHOUT ANY MEMBERSHIPS AT ALL!
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#create person
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personUri = addPersonToGraph(sqlP, additionalIdSeq)
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#used to determine whether person is non-academic type
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isNonAcademic = True
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#use memberships to determine person type
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for i, membership in enumerate(sqlP.memberships):
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if membership.active != 'Y':
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continue #SKIP INACTIVE MEMBERSHIPS!
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#This is an active membership with an id and a business_role.
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if membership.mBusinessRole.name == 'ProfessorIn':
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isNonAcademic = False
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organization_uri = URIRef("%s/%s" % (localOrg, membership.organizational_unit))
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rdfP = FacultyMember(personUri)
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rdfP.associatedOe = organization_uri
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if membership.mBusinessRole.name == 'WiMi':
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isNonAcademic = False
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organization_uri = URIRef("%s/%s" % (localOrg, membership.organizational_unit))
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rdfP = NonFacultyAcademic(personUri)
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rdfP.associatedOe = organization_uri
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#assign non-academic person type if neccessary
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if isNonAcademic:
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NonAcademic(personUri)
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pass
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def processOrganizations(session, additionalIdSeq):
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"""Generate triples for organizational units."""
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organizations = session.query(HsHOrganizationalUnit)
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for count, sqlO in enumerate(organizations):
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organization_uri = URIRef("%s/%s" % (localOrg, sqlO.id))
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rdfO = hshThing(organization_uri)
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rdfO = Organization(organization_uri)
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rdfO.label = sqlO.name
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if sqlO.oParent != None:
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parent_organization_uri = URIRef("%s/%s" % (localOrg, sqlO.oParent.id))
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rdfO.parentOe = parent_organization_uri
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def createTriples():
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"""Fetch memberships, evaluate them, create persons,..."""
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engine = create_engine("postgresql://hshinfo:hshinfotest@141.71.2.152/hshinfo")
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session = sessionmaker(bind=engine)()
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persons = session.query(HsHPerson)
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g = get_graph()
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additionalIdSeq = IdSequence(2000000000) #don't care sequence
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for count, sqlP in enumerate(persons):
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combined_title = ''
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if sqlP.title_prefix != None:
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combined_title = sqlP.title_prefix
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if sqlP.title_suffix != None:
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if combined_title == '':
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combined_title = sqlP.title_suffix
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else:
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combined_title += ' ' + sqlP.title_suffix
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person_uri = URIRef("%s/%s" % (local, sqlP.id))
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rdfP = hshThing(person_uri)
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rdfP = Person(person_uri) #WTF?!
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rdfP.firstname = sqlP.firstname;
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rdfP.name = sqlP.name;
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rdfP.label = "%s, %s" % (sqlP.name, sqlP.firstname)
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# If there is a title to add, do it.
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if(combined_title != ''):
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title_uri = URIRef("%s/%s" % (local, additionalIdSeq.getNext()))
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rdfTitle = Title(title_uri)
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rdfTitle.title = combined_title
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processOrganizations(session, additionalIdSeq)
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processPersons(session, additionalIdSeq)
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contact_info_uri = URIRef("%s/%s" % (local, additionalIdSeq.getNext()))
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rdfCi = ContactInfo(contact_info_uri)
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rdfCi.hasTitle = rdfTitle
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rdfCi.contactInformationFor = rdfP
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rdfP.hasContactInfo = rdfCi
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break
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#we're done.
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triples = g.serialize(format='n3')
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g.close()
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print(triples)
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f = open('data.n3', 'wb')
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f.write(triples)
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f.close()
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return triples
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if __name__ == '__main__':
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createRDFFromSQL()
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writeToFile = True
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triples = createTriples()
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print(triples)
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if writeToFile == True:
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f = open('data.n3', 'wb')
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f.write(triples)
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f.close()
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