本文整理匯總了Python中stoqlib.domain.product.ProductHistory.add_lost_item方法的典型用法代碼示例。如果您正苦於以下問題：Python ProductHistory.add_lost_item方法的具體用法？Python ProductHistory.add_lost_item怎麽用？Python ProductHistory.add_lost_item使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類stoqlib.domain.product.ProductHistory的用法示例。
在下文中一共展示了ProductHistory.add_lost_item方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: add_lost
# 需要導入模塊: from stoqlib.domain.product import ProductHistory [as 別名]
# 或者: from stoqlib.domain.product.ProductHistory import add_lost_item [as 別名]
def add_lost(self, quantity):
"""Adds the quantity lost of this material. The maximum quantity that
can be lost is given by the formula::
- max_lost(quantity) = needed - consumed - lost - quantity
:param quantity: the quantity that was lost.
"""
assert quantity > 0
if self.lost + quantity > self.needed - self.consumed:
raise ValueError(_(u'Cannot loose this quantity.'))
required = self.consumed + self.lost + quantity
if required > self.allocated:
self.allocate(required - self.allocated)
self.lost += quantity
store = self.store
ProductHistory.add_lost_item(store, self.order.branch, self)