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我使用 Model Mommy 来创建测试数据,到目前为止它运行良好。

现在我有一个名为 Django 的模型Invoice和一个名为InvoiceItem.

class Invoice(models.Model):
    created_by = models.ForeignKey(users.User)

class InvoiceItem(models.Model):
    invoice = models.ForeignKey(Invoice, related_name='items')

我为这些模型创建了两个简单的妈妈食谱:

InvoiceRecipe = Recipe(
    Invoice,
    created_by=foreign_key(UserRecipe),
)

InvoiceItemRecipe = Recipe(
    InvoiceItem,
    invoice=foreign_key(InvoiceRecipe),
)

现在我想InvoiceRecipe.make()自动将不同数量的InvoiceItem对象添加到创建的发票中。

目前,我正在这样做,但我希望它自动发生:

invoice = InvoiceRecipe.make(created_by=contractor)
invoice.items.add(InvoiceItemRecipe.make())
invoice.items.add(InvoiceItemRecipe.make())
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