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query.py
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query.py
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from franz.openrdf.sail.allegrographserver import AllegroGraphServer
from franz.openrdf.repository.repository import Repository
from franz.openrdf.query.query import QueryLanguage
from franz.openrdf.vocabulary.xmlschema import XMLSchema
from franz.openrdf.rio.rdfformat import RDFFormat
import os
import pdb
CURRENT_DIRECTORY = os.getcwd()
AG_HOST = os.environ.get('AGRAPH_HOST','katagraphos.net') #Ubuntu 12 LTS
AG_PORT = int(os.environ.get('AGRAPH_PORT', '10035'))
AG_CATALOG = ''
MAIN_TARGET_REPO = 'unesco'
AG_USER = os.environ.get('AGRAPH_USER', 'student')
AG_PASSWORD = os.environ.get('AGRAPH_PWD')
def getConn(repo=MAIN_TARGET_REPO, accessMode=Repository.OPEN):
server = AllegroGraphServer(AG_HOST, AG_PORT, AG_USER, AG_PASSWORD)
catalog = server.openCatalog()
myRepository = catalog.getRepository(repo, accessMode)
myRepository.initialize()
conn = myRepository.getConnection()
#pdb.set_trace()
return conn
def __getTypedLiteral(conn, namespace, subjectLocalName, predicateLocalName, objLiteral=None, datatype="STRING"):
exns = "http://%s/" % namespace
subject_ = conn.createURI(namespace=exns, localname=subjectLocalName)
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
object_ = None
if(objLiteral!=None):
object_ = conn.createLiteral(objLiteral,__getDatatype(datatype))
return subject_, predicate_, object_
def __getUU(conn, namespace, subjectLocalName, predicateLocalName):
exns = "http://%s/" % namespace
subject_ = conn.createURI(namespace=exns, localname=subjectLocalName)
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
return subject_, predicate_
def __getLU(conn, namespace, subjectLocalName, predicateLocalName):
exns = "http://%s/" % namespace
subject_ = conn.createLiteral(subjectLocalName,__getDatatype("STRING"))
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
return subject_, predicate_
def __getLUL(conn, namespace, subjectLocalName, predicateLocalName,
objLiteral=None, datatype="STRING"):
exns = "http://%s/" % namespace
subject_ = conn.createLiteral(subjectLocalName,__getDatatype("STRING"))
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
object_ = None
if(objLiteral!=None):
object_ = conn.createLiteral(objLiteral,__getDatatype(datatype))
return subject_, predicate_, object_
def __getLUU(conn, namespace, subjectLocalName, predicateLocalName, objectLocalName):
exns = "http://%s/" % namespace
subject_ = conn.createLiteral(subjectLocalName,__getDatatype("STRING"))
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
object_ = conn.createURI(objectLocalName)
return subject_, predicate_, object_
def __getUUU(conn, namespace, subjectLocalName, predicateLocalName, objectLocalName):
exns = "http://%s/" % namespace
subject_ = conn.createURI(namespace=exns, localname=subjectLocalName)
predicate_ = conn.createURI(namespace=exns, localname=predicateLocalName)
object_ = conn.createURI(namespace=exns, localname=objectLocalName)
return subject_, predicate_, object_
def addTripleUUU(targetRepo, subjectURI, predicateURI, objectURI):
conn = getConn(targetRepo)
subject_ = conn.createURI(subjectURI)
predicate_ = conn.createURI(predicateURI)
object_ = conn.createURI(objectURI)
beforeCount = conn.size()
conn.add(subject_,predicate_,object_)
afterCount = conn.size()
return afterCount-beforeCount
def existsTripleUUnsTyped(targetRepo, namespace,
subjectLocalName,
predicateLocalName,conn=None):
if conn==None:
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getTypedLiteral(conn,namespace,
subjectLocalName,
predicateLocalName)
statements = conn.getStatements(subject_,predicate_,object_)
numStatements = len(statements.string_tuples)
#statements.enableDuplicateFilter() ## there are no duplicates, but this exercises the code that checks
counter = 0
for s in statements:
print( s )
counter = counter + 1
if counter != numStatements:
msg = "Error counter [{}] and numstatements [{}] out of sync".format( counter, numStatements)
raise Exception(msg)
statements.close()
conn.close()
return numStatements
def existsTripleUULnsTyped(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objLiteral,conn=None, datatype="STRING"):
if conn==None:
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getTypedLiteral(conn,namespace,
subjectLocalName,
predicateLocalName,
objLiteral,datatype)
statements = conn.getStatements(subject_,predicate_,object_)
numStatements = len(statements.string_tuples)
#statements.enableDuplicateFilter() ## there are no duplicates, but this exercises the code that checks
counter = 0
for s in statements:
print( s )
counter = counter + 1
if counter != numStatements:
msg = "Error counter [{}] and numstatements [{}] out of sync".format( counter, numStatements)
raise Exception(msg)
statements.close()
conn.close()
return numStatements
def getTripleUU(targetRepo, namespace,
subjectLiteral,
predicateLocalName):
conn = getConn(targetRepo)
subject_, predicate_ = __getUU(conn,
namespace,
subjectLiteral,
predicateLocalName)
statements = conn.getStatements(subject_,predicate_, None)
numStatements = len(statements.string_tuples)
counter = 0
for s in statements:
print( type(s) )
print( s )
counter = counter + 1
statements.close()
conn.close()
return numStatements
def existsTripleLULnsTyped(targetRepo, namespace,
subjectLiteral,
predicateLocalName,
objLiteral,conn=None, datatype="STRING"):
if conn==None:
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getLUL(conn,namespace,
subjectLiteral,
predicateLocalName,
objLiteral,datatype)
statements = conn.getStatements(subject_,predicate_,object_)
numStatements = len(statements.string_tuples)
#statements.enableDuplicateFilter() ## there are no duplicates, but this exercises the code that checks
counter = 0
for s in statements:
print( s )
counter = counter + 1
if counter != numStatements:
msg = "Error counter [{}] and numstatements [{}] out of sync".format( counter, numStatements)
raise Exception(msg)
statements.close()
conn.close()
return numStatements
def existsTripleUUU(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objectLocalName,conn=None):
if conn==None:
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getUUU(conn,namespace,
subjectLocalName,
predicateLocalName,
objectLocalName)
statements = conn.getStatements(subject_, predicate_, object_)
numStatements = len(statements.string_tuples)
#statements.enableDuplicateFilter() ## there are no duplicates, but this exercises the code that checks
counter = 0
for s in statements:
print( s )
counter = counter + 1
if counter != numStatements:
msg = "Error counter [{}] and numstatements [{}] out of sync".format( counter, numStatements)
raise Exception(msg)
statements.close()
conn.close()
return numStatements
def addTripleUUUns(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objectLocalName, preventDuplicates = True):
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getUUU(conn,namespace,
subjectLocalName,
predicateLocalName,
objectLocalName)
if(preventDuplicates):
if(existsTripleUUU(targetRepo,namespace,subjectLocalName,predicateLocalName,objectLocalName,conn)):
print( "exists, ignoring save" )
else:
print ("adding new ... %s" % conn.size())
conn.add(subject_, predicate_, object_)
else:
print ("grok why allowing duplicate UUU triples is a good idea??")
return conn.size()
def addTripleLULnsTyped(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objLiteral, datatype="STRING", preventDuplicates = True):
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getLUL(conn,namespace,
subjectLocalName,
predicateLocalName,
objLiteral,datatype)
if(preventDuplicates):
if( existsTripleLULnsTyped(targetRepo,namespace,subjectLocalName,predicateLocalName,objLiteral,conn,datatype)):
print( "existed, no update" )
else:
print ("adding new ... %s" % conn.size())
conn.add(subject_, predicate_, object_)
else:
print ("must still grok why dups should be allowed???")
return conn.size()
def addTripleLUUns(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objLiteral, preventDuplicates = True):
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getLUU(conn,namespace,
subjectLocalName,
predicateLocalName,
objLiteral)
conn.add(subject_, predicate_, object_)
afterCount = conn.size()
return afterCount
def addTripleUULnsTyped(targetRepo, namespace,
subjectLocalName,
predicateLocalName,
objLiteral, datatype="STRING", preventDuplicates = True):
conn = getConn(targetRepo)
subject_, predicate_,object_ = __getTypedLiteral(conn,namespace,
subjectLocalName,
predicateLocalName,
objLiteral,datatype)
if(preventDuplicates):
print ("check exists")
if( existsTripleUULnsTyped(targetRepo,namespace,subjectLocalName,predicateLocalName,objLiteral,conn,datatype)):
print( "existed, no update" )
else:
print ("adding new ... %s" % conn.size())
conn.add(subject_, predicate_, object_)
else:
print ("must still grok why dups should be allowed???")
return conn.size()
def addTripleUUL(targetRepo, subjectURI, predicateURI, objLiteral):
conn = getConn(targetRepo)
subject_ = conn.createURI(subjectURI)
predicate_ = conn.createURI(predicateURI)
object_ = conn.createLiteral(objLiteral)
conn.add(subject_,predicate_,object_)
return conn.size()
def addTripleTypedObj(targetRepo, subjectURI, predicateURI, objLiteral, datatype="INT"):
conn = getConn(targetRepo)
datatype_ = __getDatatype(datatype)
subject_ = conn.createURI(subjectURI)
predicate_ = conn.createURI(predicateURI)
object_ = conn.createLiteral(objLiteral, datatype_)
conn.add(subject_,predicate_,object_)
return conn.size()
def loadRDF(targetRepo, path1 = "./rdfUpload/python-lesmis.rdf" ):
conn = getConn(targetRepo)
conn.addFile(path1, None, format=RDFFormat.RDFXML);
def getTriples(targetRepo):
conn = getConn(targetRepo)
rez = []
try:
queryString = "SELECT ?s ?p ?o WHERE {?s ?p ?o .}"
tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString)
result = tupleQuery.evaluate();
try:
for bindingSet in result:
s = bindingSet.getValue("s")
p = bindingSet.getValue("p")
o = bindingSet.getValue("o")
rez.append([s.getValue(), p.getValue(), o.getValue()])
finally:
result.close()
finally:
conn.close();
return rez
def addPerson(targetRepo, fullName, age):
ret = existsTripleUULnsTyped(targetRepo,
'rdf.agentidea.com',
'agents/{}'.format(fullName),
'spec/people/#term_age',
age,
datatype="INT")
def __getDatatype(stringType):
if stringType.upper() == "INT":
return XMLSchema.INT
if stringType.upper() == "LONG":
return XMLSchema.LONG
if stringType.upper() == "DOUBLE":
return XMLSchema.DOUBLE
if stringType.upper() == "DECIMAL":
return XMLSchema.DECIMAL
if stringType.upper() == "FLOAT":
return XMLSchema.FLOAT
if stringType.upper() == "STRING":
return XMLSchema.STRING
if stringType.upper() == "BOOLEAN":
return XMLSchema.BOOLEAN
raise Exception("Unhandled Type %s" % stringType)
# end query helper fxns
# domain UNESCO
def getDestinations(predicateSuffix='Location'):
conn = getConn()
queryString = """
SELECT ?s ?o
{
?s <http://dbpedia.org/ontology/%s> ?o.
}
""" % predicateSuffix
tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString)
result = tupleQuery.evaluate()
rez = []
counter = 0
for bindingSet in result:
rez.append({'seq': counter,
's': bindingSet.getValue('s').getValue().strip(),
'o':bindingSet.getValue('o').getValue().strip()
})
counter = counter + 1
return rez
def addDestination(targetRepo, continent, city, heritage_site, year_posted):
'''
addDesination(MAIN_TARGET_REPO,'South America','Bolivia','City of Potosi' )
'''
# Add continent contains city
ret = addTripleUUU(MAIN_TARGET_REPO,
"http://semantic.vocab.grant/{}".format(continent.strip().replace(' ', '')),
"http://semantic.vocab.grant/contains_city",
"http://semantic.vocab.grant/{}".format(city))
print (ret)
# Add city has unesco site x
ret = addTripleUUU(MAIN_TARGET_REPO,
"http://semantic.vocab.grant/{}".format(city),
"http://semantic.vocab.grant/has_unesco_site",
"http://semantic.vocab.grant/{}".format(heritage_site.strip().replace(' ', '')))
print (ret)
# Add heritage site is in continent
ret = addTripleUUU(MAIN_TARGET_REPO,
"http://semantic.vocab.grant/{}".format(heritage_site.strip().replace(' ', '')),
"http://dbpedia.org/ontology/Continent",
"http://semantic.vocab.grant/{}".format(continent.strip().replace(' ', '')))
# Add heritage site first posted in year
ret = addTripleTypedObj(MAIN_TARGET_REPO,
"http://semantic.vocab.grant/{}".format(heritage_site.strip().replace(' ', '')),
"https://schema.org/year_posted",
year_posted)
if __name__ == '__main__':
#lets add some UNESCO heritage site infromation related to reqion
# addDestination(MAIN_TARGET_REPO,'North Africa','St Floris','Manovo-Gounda St Floris National Park', 1997)
# addDestination(MAIN_TARGET_REPO,'Southern Africa','Nelspruit, South Africa','Kruger National Park', 2019)
# addDestination(MAIN_TARGET_REPO,'Europe','Paris France','Eiffel Tower', 2005)
# addDestination(MAIN_TARGET_REPO,'Europe','Vienna Austria','Historic Centre of Vienna', 2017)
# addDestination(MAIN_TARGET_REPO,'South America','Bolivia','City of Potosi', 2014)
# addDestination(MAIN_TARGET_REPO,'Central America','Tulum Mexico','Mayan Ruins of Tulum', 2001)
# addDestination(MAIN_TARGET_REPO,'Central America','Cancun Mexico','Chichen Itza', 1985)
# addDestination(MAIN_TARGET_REPO,'Central America','Cancun Mexico','Xichen', 1977)
# addDestination(MAIN_TARGET_REPO,'Central America','Lake Peten Itza Guatemala','Tikal', 1977)
print( getDestinations())