def from_json(cls, catalog, j):
db = cls()
db._compartments = Compartment.from_json(j['compartments'])
def to_ref(x):
return CatalogRef(catalog, int(x['index']), x['entity'])
for f in j['flows']:
flow_ref = to_ref(f[0])
db.add_flow(flow_ref)
if len(f) > 1:
for i in range(1, len(f)):
db.add_ref(f, to_ref(f[i]))
for q in j['quantities']:
q_ref = to_ref(q[0])
db.add_quantity(q_ref)
if len(q) > 1:
for i in range(1, len(q)):
db.add_ref(q_ref, to_ref([i]))
return db
def __init__(self):
self._compartments = Compartment.from_json(load_compartments())
self._flows = LogicalSet(LogicalFlow)
self._quantities = LogicalSet(LogicalQuantity)