main.py

from relational import AnnotationProcessor
from relational import MetadataProcessor
from relational import RelationalQueryProcessor

from rdf import CollectionProcessor
from rdf import TriplestoreQueryProcessor

from generic import GenericQueryProcessor

# Once all the classes are imported, first create the relational
# database using the related source data
rel_path = "relational.db"
ann_dp = AnnotationProcessor()
ann_dp.setDbPathOrUrl(rel_path)
ann_dp.uploadData("data/annotations.csv")

met_dp = MetadataProcessor()
met_dp.setDbPathOrUrl(rel_path)
met_dp.uploadData("data/metadata.csv")

# Then, create the RDF triplestore (remember first to run the
# Blazegraph instance) using the related source data
grp_endpoint = "http://127.0.0.1:9999/blazegraph/sparql"
col_dp = CollectionProcessor()
col_dp.setDbPathOrUrl(grp_endpoint)
col_dp.uploadData("data/collection-1.json")
col_dp.uploadData("data/collection-2.json")

# In the next passage, create the query processors for both
# the databases, using the related classes
rel_qp = RelationalQueryProcessor()
rel_qp.setDbPathOrUrl(rel_path)

grp_qp = TriplestoreQueryProcessor()
grp_qp.setDbPathOrUrl(grp_endpoint)

# Finally, create a generic query processor for asking
# about data
generic = GenericQueryProcessor()
generic.addQueryProcessor(rel_qp)
generic.addQueryProcessor(grp_qp)

result_q1 = generic.getAllManifests()
result_q2 = generic.getEntitiesWithCreator("Dante, Alighieri")
result_q3 = generic.getAnnotationsToCanvas("https://dl.ficlit.unibo.it/iiif/2/28429/canvas/p1")
# etc...