def save_storage(storage, filename):
fp = None
try:
fp = portalocker.LockedFile(filename, 'wb')
pickle.dump(dict(storage), fp)
finally:
if fp:
fp.close()
def load_storage(filename):
fp = None
try:
fp = portalocker.LockedFile(filename, 'rb')
storage = pickle.load(fp)
finally:
if fp:
fp.close()
return Storage(storage)
