在formset驗證之前防止模型保存

Question

如何在formset驗證之前防止模型保存？代碼爲例：

form = StockMovementForm(data=data) 
Formset = inlineformset_factory(StockMovement, StockMovement.products.through, extra=2, can_delete=False) 
if form.is_valid(): 
    stock_movement = form.save() 
    formset = Formset(data=data, instance=stock_movement) 
    if formset.is_valid(): 
    formset.save() 

（StockMovementForm用於創建一個新的* stock_movement *）

我想保存形式表單集的檢查有效性後。

我發現是這樣的：

form = StockMovementForm(data=data) 
Formset = inlineformset_factory(StockMovement, StockMovement.products.through, extra=2, can_delete=False) 
formset = Formset(data=data) 
if form.is_valid(): 
    if formset.is_valid(): 
    stock_movement = form.save() 
    objects = formset.save(commit=False) 
    for object in objects: 
     object.movement = stock_movement 
     object.save() 

但我不知道這是否是一個很好的方式（發現here）。

Answer 1

我會檢查表格的有效性和表單集這樣：

form = StockMovementForm(data=data) 
Formset = inlineformset_factory(StockMovement, 
    StockMovement.products.through, extra=2, can_delete=False) 
formset = Formset(data=data) 
if form.is_valid() and formset.is_valid(): 
    stock_movement = form.save() 
    objects = formset.save(commit=False) 
    for object in objects: 
     object.movement = stock_movement 
     object.save()