使用多個實例編輯inlineformset_factory

Question

我有一個Extra = 24的嵌入式表單集，這是一天中的時間。 添加新條目並保存沒有任何問題

OreSommInlineFormSet = inlineformset_factory(FarmacoGiornaliero, OreSomministrazione, 
                                             form=OreForm,  fields=('ore','farmaco', 'quantita'), 
                                             extra=24, can_delete=False)        

myospite = Ospite.objects.filter(cognome=cognome).filter(nome=nome)[0]                 


if request.method == 'POST':                       


    form = GiornalieroForm(request.POST)
    formset = OreSommInlineFormSet(request.POST, prefix='formset')

    if form.is_valid() and formset.is_valid():                           


        giornaliero=form.save(commit=True)      

        for form in formset.forms:
            ora = form.save(commit=False)
            ora.farmaco = giornaliero
            ora.ospite = myospite               
            ora.save()                                    

我試圖弄清楚如何編輯和保存表單集的數據。 我有一個查詢集，該查詢集返回OreFarmaco的24個實例，該實例應填充表單集，但是帶有instance關鍵字的表單集本身僅預見到一個實例。

OreSommInlineFormSet = inlineformset_factory（FarmacoGiornaliero，OreSomministrazione，form = OreForm，fields =（'ore'，'quantita'），extra = 24，can_delete = False）

myospite = Ospite.objects.filter(cognome=cognome).filter(nome=nome)[0]

locfarmaco = Farmaco.objects.filter(farmaco=farmaco)[0]

giornaliero = FarmacoGiornaliero.objects.select_related() \
            .filter(ospite=myospite) \
            .filter(farmaco=locfarmaco)[0]

orefarmaco = OreSomministrazione.objects.select_related().filter(farmaco=giornaliero).filter(ospite=myospite)           

if request.method == "POST":                      

        form = GiornalieroForm(request.POST, instance=giornaliero)                     

        formset = OreSommInlineFormSet(request.POST, prefix='formset', instance=orefarmaco[0])


        if form.is_valid() and formset.is_valid():                                                             

            giornaliero=form.save(commit=True)   
            formset.save()   

謝謝。

Answer 1

//try to rewrite this codes it's complicated. Use get() instead
myospite = Ospite.objects.filter(cognome=cognome).filter(nome=nome)[0]
locfarmaco = Farmaco.objects.filter(farmaco=farmaco)[0]
giornaliero = FarmacoGiornaliero.objects.select_related() \
        .filter(ospite=myospite) \
        .filter(farmaco=locfarmaco)[0]
//

if request.method == "POST":                      
    form = GiornalieroForm(request.POST, instance=giornaliero)                     
    if form.is_valid():  
        gio = form.save(commit=True)                                                           
        formset = OreSommInlineFormSet(request.POST, instance=gio)
        if formset.is_valid()
            gio.save()   
            formset.save()