def run(args, timestamp):
pi = ProgressIndicator()
# load mapping table
if not is_readable(args.mapping):
raise Exception("Wrong file permissions: {}".format(args.mapping))
mapping = SchemaOTL(args.mapping)
print("Importing referenced graph...")
pi.start()
params = import_graph(args.graph, mapping)
pi.stop()
print("Generating enrichments...")
pi.start()
graph = enrich(mapping, params['name'], params['graph'], timestamp)
pi.stop()
# validate output path
output_path = args.output
if output_path is None:
output_path = "./{}-otl{}_{}".format(params['name'],\
"-schema" if params['type'] is OWL.Ontology else "",\
timestamp)
if not is_writable(output_path):
return
# write graph
print("Writing graph to disk...")
write(graph, output_path, args.serialization_format)
def run(args, timestamp):
pi = ProgressIndicator()
# load data types mapping table
datatypes_map_file = args.datatype_schema
if not is_readable(datatypes_map_file):
return
datatypes_map = SchemaDT(datatypes_map_file)
# load UML if supported
uml = None
uml_filename = args.uml
if uml_filename is not None and is_readable(uml_filename):
uml = UML()
uml.parse(uml_filename)
print("Generating schema...")
pi.start()
# determine database
database = ""
schema = None
if args.gdb is not None:
schema, database = _run_gdb(args, datatypes_map)
else:
schema, database = _run_sql(args, datatypes_map, uml)
pi.stop()
# validate output path
output_path = args.output
if output_path is None:
output_path = "./{}_{}.json".format(database, timestamp)
if not is_writable(output_path):
return
# inspect resulting schema
if args.interactive:
cli(schema)
# write schema
print("Writing schema to disk...")
write(schema, output_path)
def load(self, path):
driver = ogr.GetDriverByName("OpenFileGDB")
if not is_readable(path):
raise Exception(
"Wrong permissions or file not found: {}".format(path))
try:
self._gdb = driver.Open(path, 0)
except Exception as e:
print(e)
def import_graph(filename, schema):
if not is_readable(filename):
raise Exception(
"File missing or wrong permissions: {}".format(filename))
graph = read(filename)
namespace, gtype = default_namespace_of(graph)
database = _determine_database(namespace)
if database not in schema.schema.keys():
raise Exception(
"Database not contained in mapping: {}".format(database))
return {'graph': graph, 'type': gtype, 'name': database}
def run(args, timestamp):
pi = ProgressIndicator()
# load mapping table
if not is_readable(args.crossreference_mapping):
raise Exception("Wrong file permissions: {}".format(args.crossreference_mapping))
mapping = SchemaXR(args.crossreference_mapping)
database_pairs = mapping.database_pairs()
print("Importing referenced graphs...")
pi.start()
params = import_graphs(args.source_graph,\
args.target_graph,\
{db for pair in database_pairs for db in pair})
pi.stop()
# generate crossreferences
print("Generating cross-references...")
pi.start()
graph = params['linker'](mapping,\
params['source_name'],\
params['target_name'],\
params['source_graph'],\
params['target_graph'],\
args.include_backlinks,\
timestamp)
pi.stop()
# validate output path
output_path = args.output
if output_path is None:
output_path = "./xref_{}-{}{}_{}".format(params['source_name'],\
params['target_name'],\
"-schema" if params['linker'] is tbox_link else "",\
timestamp)
if not is_writable(output_path):
return
# write graph
print("Writing graph to disk...")
write(graph, output_path, args.serialization_format)
def import_graphs(source, target, schema):
for filename in [source, target]:
if not is_readable(filename):
raise Exception("File missing or wrong permissions: {}".format(filename))
source_graph = read(source)
target_graph = read(target)
source_namespace, source_type = default_namespace_of(source_graph)
target_namespace, target_type = default_namespace_of(target_graph)
linker = _determine_type(source_type, target_type)
databases = _determine_databases(source_namespace, target_namespace)
for _,v in databases.items():
if v not in schema:
raise Exception("Database not contained in mapping: {}".format(v))
return { 'source_graph': source_graph,
'target_graph': target_graph,
'source_name': databases['source'],
'target_name': databases['target'],
'linker': linker }
def __init__(self, path):
self.logger = logging.getLogger(__name__)
if is_readable(path):
self.load_schema(path)
def _run_gdb(args, datatypes_map):
if not is_readable(args.gdb):
return {}
gdb = GeoDataBase(args.gdb)
return (generate_gdb(gdb, datatypes_map), 'kerngis')
def _check_paths(graphs):
for graph in graphs:
if not is_readable(graph):
raise Exception(
"File missing or wrong permissions: {}".format(graph))