class SMWQuery(object):
def __init__(self):
self.endpoint = SMWEndpoint()
self.querygen = SMWQueryGenerator()
def fetchResource(self, resourceId):
rdfModel = self.endpoint.execute(self.querygen.getResourceQuery(resourceId))
return rdfModel
def fetchResourceProperties(self, resourceId):
resourceProperties = []
resource = self.fetchResource(resourceId)
resourcePropertiesQuery = RDF.Query(self.querygen.getResourcePropertiesQuery())
for resourceProperty in resourcePropertiesQuery.execute(resource):
resourceProperties.append("<%s>"%(resourceProperty['o']))
return resourceProperties
def fetchResourceDataset(self, resourceId):
resource = self.fetchResource(resourceId)
queryString = self.querygen.getResourceDatasetQuery()
resourceDatasetQuery = RDF.Query(self.querygen.getResourceDatasetQuery())
resourceDataset = "<%s>" %(str(resourceDatasetQuery.execute(resource).next()['o']),)
return resourceDataset
def fetchAllResourcesFromDataset(self, resourceId):
datasetUri = self.fetchResourceDataset(resourceId)
resourcesFromDatasetQuery = self.querygen.getResourceByDatasetUriQuery(datasetUri)
return self.endpoint.execute(resourcesFromDatasetQuery)
def fetchAllResourceIdsFromDataset(self, resourceId):
resourceIds = []
resources = self.fetchAllResourcesFromDataset(resourceId)
resourceDistinctSubjectQuery = RDF.Query(self.querygen.getDistinctSubjectQuery())
for resource in resourceDistinctSubjectQuery.execute(resources):
resourceId = self.querygen._convertSparqlIdToResourceId(str(resource['s']).split("Csv2rdf-")[-1].lower())
resourceIds.append(resourceId)
return resourceIds
def __init__(self):
self.endpoint = SMWEndpoint()
self.querygen = SMWQueryGenerator()