Method from_csv

Solutions/8_1/portfolio.py:11–21

(cls, lines, **opts)

    @classmethod
    def from_csv(cls, lines, **opts):
        self = cls()
        portdicts = fileparse.parse_csv(lines, 
                                        select=['name','shares','price'], 
                                        types=[str,int,float],
                                        **opts)

        for d in portdicts:
            self.append(stock.Stock(**d))

        return self

    def append(self, holding):
        self._holdings.append(holding)