def __init__(self,holding):
if not holding.has_key('quote'):
raise HoldingError("Quote missing")
self.name = holding['quote']
quote = get_quote(self.name)
self.last_price = quote.price
self.currency = quote.currency
self.day_gain = quote.gain
self.lots = None
self.gain = 0
self.value = 0
if holding.has_key('lots'):
self.lots = holding['lots']
for lot in self.lots:
if not (lot.has_key("Amount") and lot.has_key("Value")):
raise HoldingError("Missing attribute in lots")
self.gain += float(lot["Amount"]) * (self.last_price - float(lot["Value"]))
self.value += float(lot["Amount"]) * self.last_price
def to_curr(amount, old, new):
if old == new:
return amount
quote = get_quote(old + new + ":CUR")
return quote.price * float(amount)