def deserialize(cls, strategy_id=None, path=None):
"""Deserialize the strategy."""
if path is None:
assert strategy_id is not None
path = os.path.join(DEFAULT_SERIALIZATION_DIR, strategy_id)
with open(path, 'rb') as f:
data = f.read()
new_strategy = strategy_pb2.Strategy()
new_strategy.ParseFromString(data)
return cls(strategy=new_strategy)
def copy(self):
"""Create a copy of this strategy."""
other_strategy = strategy_pb2.Strategy()
other_strategy.CopyFrom(self._strategy)
return Strategy(strategy=other_strategy)
def __init__(self, strategy=None):
self._strategy = strategy or strategy_pb2.Strategy()
if strategy is None:
self._strategy.id = datetime.utcnow().strftime('%Y%m%dT%H%M%SM%f')