def create_inventory(self):
"""Some buildings don't have an own inventory (e.g. storage building). Those can just
overwrite this function to do nothing. see also: save_inventory() and load_inventory()"""
db_data = horizons.main.db.cached_query("SELECT resource, size FROM balance.storage WHERE object_id = ?", \
self.id)
if len(db_data) == 0:
# no db data about inventory. Create default inventory.
self.inventory = PositiveSizedSlotStorage(
STORAGE.DEFAULT_STORAGE_SIZE)
else:
# specialised storage; each res and limit is stored in db.
self.inventory = PositiveSizedSpecializedStorage()
for res, size in db_data:
self.inventory.add_resource_slot(res, size)
