def load_thing_classes(dr: DataRiver, thing_class_dir: str):
tcr = JSonThingClassRegistry()
for entry in os.scandir(thing_class_dir):
if entry.is_file() and entry.path.endswith('.json'):
log.info(f'Loading thing class: {entry.path}')
try:
tcr.register_thing_classes_from_uri(f'file://{entry.path}')
except Exception as e:
log.error(f'Unable to load thing class: {entry.path} : {e}')
pass
dr.add_thing_class_registry(tcr)
def register_thing_classes(dr: DataRiver, thing_class_dir: str,
thing_classes: List[str]):
'''
For each of the Thing Classes listed in thing_classes and whose definition is in thing_class_dir register them
with the provided instance of the Data River; dr.
The thing_classes list shoudl be the name of the file without the .json extension
'''
tcr = JSonThingClassRegistry()
for tc in thing_classes:
logging.info(f'Loading Thing Class: {tc}.json from {thing_class_dir}')
tcr.register_thing_classes_from_uri(
get_abs_file_uri(str(os.path.join(thing_class_dir, f'{tc}.json'))))
dr.add_thing_class_registry(tcr)
