models.py 文件源码

def remain_necessary_for_retirement(self):
        assets_required = -self.assets_required()
        rate_target_profitability = self.financial_planning. \
            real_gain_related_cdi()
        years_for_retirement = self.financial_planning.duration()
        current_net_investment = self.financial_planning.patrimony.\
            current_net_investment()
        total = numpy.pmt(rate_target_profitability, years_for_retirement,
                          current_net_investment, assets_required)
        total /= 12
        if total < 0:
            total = 0

        return total

    # Will be considerate only goals that represent properties and equity
    # interests