def input_filter(fn: str, dir: str, opts: Namespace) -> bool:
print(f"Testing {fn}", end='')
input_fn = os.path.join(dir, fn)
g = Graph()
try:
g.load(input_fn, format="turtle")
except BadSyntax:
print(" PARSE ERROR")
return False
node_role = list(g.subject_objects(FHIR.nodeRole))
if not node_role:
print(" NOT A FHIR Resource")
return False
focus = node_role[0][0]
resource_type = g.value(focus, RDF.type)
if not resource_type:
print(" UNKNOW Resource type")
return False
print(f" Type: {resource_type}")
opts.graph = g
opts.resource_type = resource_type
opts.focus = focus
return True
