Openerp 如何在到期日过后自动添加管理费以打开发票？

有人能帮我在到期日过后自动向未结发票中添加费用吗？例如，我在res.company中设置了一个管理费，当发票超过到期日时调用该管理费

问候,，

---

Joe

如果需要自动执行，请添加一个

调度程序。计划程序功能应在到期日后搜索所有未结发票，并添加带有管理费的新发票行，或将管理费添加到现有发票行。
例如，下面是可用于创建调度程序的数据xml。
XML部分


运行自动发票计划程序
1.
天
-1

Python部分

#Its just a example function.make necessary changes
#Inherit the account_invoice and add the function
import time
def automatic_invoice_scheduler(self, cr, uid, ids,context=None):
    ids = self.search(cr, uid,[('date_invoice','<=',time.strftime('%Y-%m-%d %H:%M:%S'),('state','open'),('due_added','=',False)], context=context)
    #due added is a new field you have to add so that once the due
    # is added then its invoice id is not added in the scheduler
    ###########################
    #Add your code here.add the due_fees to the invoice lines
    #write the due_added boolean field to true
    ###########################
    return True

#这只是一个示例函数。进行必要的更改
#继承帐户\u发票并添加函数
导入时间
def自动发票计划程序（self、cr、uid、ids、context=None）：
ids=self.search（cr，uid，[（'date\u invoice'，'Im试图使用函数有什么想法吗？谢谢OmaL，你有函数的例子吗？我有点困惑如何继续。我应该在哪里添加xml？
#Its just a example function.make necessary changes
#Inherit the account_invoice and add the function
import time
def automatic_invoice_scheduler(self, cr, uid, ids,context=None):
    ids = self.search(cr, uid,[('date_invoice','<=',time.strftime('%Y-%m-%d %H:%M:%S'),('state','open'),('due_added','=',False)], context=context)
    #due added is a new field you have to add so that once the due
    # is added then its invoice id is not added in the scheduler
    ###########################
    #Add your code here.add the due_fees to the invoice lines
    #write the due_added boolean field to true
    ###########################
    return True