def update_position(self, sid, amount=None, last_sale_price=None, last_sale_date=None, cost_basis=None):
if sid not in self.positions:
position = Position(sid)
self.positions[sid] = position
else:
position = self.positions[sid]
if amount is not None:
position.amount = amount
self._update_asset(sid=sid)
if last_sale_price is not None:
position.last_sale_price = last_sale_price
if last_sale_date is not None:
position.last_sale_date = last_sale_date
if cost_basis is not None:
position.cost_basis = cost_basis
def update_position(self, asset, amount=None, last_sale_price=None,
last_sale_date=None, cost_basis=None):
if asset not in self.positions:
position = Position(asset)
self.positions[asset] = position
else:
position = self.positions[asset]
if amount is not None:
position.amount = amount
if last_sale_price is not None:
position.last_sale_price = last_sale_price
if last_sale_date is not None:
position.last_sale_date = last_sale_date
if cost_basis is not None:
position.cost_basis = cost_basis
def update_position(self, sid, amount=None, last_sale_price=None,
last_sale_date=None, cost_basis=None):
if sid not in self.positions:
position = Position(sid)
self.positions[sid] = position
else:
position = self.positions[sid]
if amount is not None:
position.amount = amount
self._update_asset(sid=sid)
if last_sale_price is not None:
position.last_sale_price = last_sale_price
if last_sale_date is not None:
position.last_sale_date = last_sale_date
if cost_basis is not None:
position.cost_basis = cost_basis
