notifications.py 文件源码

def budget_account_sum(sess=None):
        """
        Return the sum of current balances for all is_budget_source accounts.

        :return: Combined balance of all budget source accounts
        :rtype: float
        """
        if sess is None:
            sess = db_session
        sum = 0
        for acct in sess.query(Account).filter(
                Account.is_budget_source.__eq__(True),
                Account.is_active.__eq__(True)
        ):
            if acct.balance is not None:
                sum += float(acct.balance.ledger)
        return sum