def create_ontology(handle=None, **args):
ont = None
logging.info(
"Determining strategy to load '{}' into memory...".format(handle))
if handle.find("+") > -1:
handles = handle.split("+")
onts = [create_ontology(ont) for ont in handles]
ont = onts.pop()
ont.merge(onts)
return ont
# TODO: consider replacing with plugin architecture
if handle.find(".") > 0 and os.path.isfile(handle):
logging.info("Fetching obograph-json file from filesystem")
ont = translate_file_to_ontology(handle, **args)
elif handle.startswith("obo:"):
logging.info("Fetching from OBO PURL")
if handle.find(".") == -1:
if handle == 'chebi' or handle == 'ncbitaxon' or handle == 'pr':
handle += '.obo'
logging.info("using obo for large ontology: {}".format(handle))
else:
handle += '.owl'
fn = '/tmp/' + handle
if not os.path.isfile(fn):
url = handle.replace("obo:", "http://purl.obolibrary.org/obo/")
cmd = ['owltools', url, '-o', '-f', 'json', fn]
cp = subprocess.run(cmd, check=True)
logging.info(cp)
else:
logging.info("using cached file: " + fn)
g = obograph_util.convert_json_file(fn)
ont = Ontology(handle=handle, payload=g)
elif handle.startswith("wdq:"):
from ontobio.sparql.wikidata_ontology import EagerWikidataOntology
logging.info("Fetching from Wikidata")
ont = EagerWikidataOntology(handle=handle)
elif handle.startswith("skos:"):
fn = handle.replace('skos:', '')
from ontobio.sparql.skos import Skos
logging.info("Fetching from Skos file")
skos = Skos()
ont = skos.process_file(fn)
elif handle.startswith("scigraph:"):
from ontobio.neo.scigraph_ontology import RemoteScigraphOntology
logging.info("Fetching from SciGraph")
ont = RemoteScigraphOntology(handle=handle)
elif handle.startswith("http:"):
logging.info("Fetching from Web PURL: " + handle)
encoded = hashlib.sha256(handle.encode()).hexdigest()
#encoded = binascii.hexlify(bytes(handle, 'utf-8'))
#base64.b64encode(bytes(handle, 'utf-8'))
logging.info(" encoded: " + str(encoded))
fn = '/tmp/' + encoded
if not os.path.isfile(fn):
cmd = ['owltools', handle, '-o', '-f', 'json', fn]
cp = subprocess.run(cmd, check=True)
logging.info(cp)
else:
logging.info("using cached file: " + fn)
g = obograph_util.convert_json_file(fn)
ont = Ontology(handle=handle, payload=g)
else:
logging.info("Fetching from SPARQL")
ont = EagerRemoteSparqlOntology(handle=handle)
#g = get_digraph(handle, None, True)
return ont