本文整理汇总了Python中stoqlib.domain.product.ProductHistory.add_consumed_item方法的典型用法代码示例。如果您正苦于以下问题：Python ProductHistory.add_consumed_item方法的具体用法？Python ProductHistory.add_consumed_item怎么用？Python ProductHistory.add_consumed_item使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类stoqlib.domain.product.ProductHistory的用法示例。
在下文中一共展示了ProductHistory.add_consumed_item方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: consume
# 需要导入模块: from stoqlib.domain.product import ProductHistory [as 别名]
# 或者: from stoqlib.domain.product.ProductHistory import add_consumed_item [as 别名]
def consume(self, quantity):
"""Consumes a certain quantity of material. The maximum quantity
allowed to be consumed is given by the following formula:
- max_consumed(quantity) = needed - consumed - lost - quantity
:param quantity: the quantity to be consumed.
"""
assert quantity > 0
available = self.allocated - self.consumed - self.lost
if quantity > available:
raise ValueError(_(u'Can not consume this quantity.'))
required = self.consumed + self.lost + quantity
if required > self.allocated:
self.allocate(required - self.allocated)
self.consumed += quantity
store = self.store
ProductHistory.add_consumed_item(store, self.order.branch, self)