asset.py 文件源码

def get_price_quote(self, d=None, column='adj_close'):
        """
        Get the price of an Asset.

        :param date or datetime d: The datetime of when to retrieve the price quote from.
            (default: ``date.today()``)
        :param str column: The header of the column to use to get the price quote from.
            (default: ``adj_close``
        :return: namedtuple with price and the the datetime
        :rtype: namedtuple
        """
        quote = namedtuple('Quote', 'price time')
        if d is None:
            df = web.get_quote_yahoo(self.ticker)
            d = date.today()
            time = dt_utils.parse_date(df['time'][0]).time()
            dt = datetime.combine(d, time=time)
            return quote(price=df['last'], time=dt)
        else:
            price = self.ohlcv.ix[d][column][0]
            return quote(price=price, time=d)