Question

我是django的初学者，目前正在开发记录出生的应用程序出生类别的父亲键指向记录父亲和母亲的注册表

在我的form.py文件中，父亲字段是一个自动选择字段。那就是我的问题：自动选择字段返回一个ID，而父字段必须指向注册类型的对象

我如何返回链接到ID的对象。只要父亲字段没有指向某个对象，我就无法在基础中注册新出生

提前谢谢

我的view.py

class EntityCreateView(CreateView):

def form_invalid(self, form, error_msg="Erreur lors de la sauvegarde."):
    messages.error(self.request, self.request.POST)
    return super(EntityCreateView, self).form_invalid(form)

def form_valid(self, form, success_msg="Enregistrement réussi."):
            # This method is called when valid form data has been POSTed.
            # It should return an HttpResponse.
            form.instance.created_by = self.request.user
            messages.success(self.request, success_msg)
            #father_id = form.cleaned_data['father']
            form.father = Registration.objects.get(id=form.father)
            return super(EntityCreateView, self).form_valid(form)

class BirthCreateView(EntityCreateView):
    template_name = 'eregister/birth_detail.html'
    model = Birth
    form_class = BirthForm

    def get_initial(self):
            if 'from_external_page' in self.kwargs and 'birth_post_form' in self.request.POST:
                    # If we added a birth or a person, we want to restore the initial form
                    birth_post_form = self.request.session['birth_post_form']
                    del self.request.session['birth_post_form']
                    return birth_post_form
            return super().get_initial()


    def get_context_data(self, **kwargs):
            """Called after the get method"""
            # Call the base implementation first to get a context
            context = super(BirthCreateView, self).get_context_data(**kwargs)
            birth_form = context.get('form')
            birth_form.initial['language'] = Language.get_default_language()
            return context

    def form_valid(self, form):
            #self.father = Registration.objects.get(father_id=form.father)
            father_id=self.cleaned_data['father']
            father = get_object_or_404(Registration, pk = father_id)
            sel.cleaned_data['father'].update(father)
            super(BirthCreateView, self).form_valid(form)
            birth_id = self.object.id
            # Automatically propose to create the first copy of the book
            return HttpResponseRedirect(reverse('eregister:bc_add', args=[birth_id]))

forms.py文件

 class CommonForm(forms.ModelForm):
required_css_class = 'required'

 class BirthForm(CommonForm):

    class Meta:
            model = Birth
            exclude = ['social_number', 'created']

    firstname = forms.CharField(label=Meta.model._meta.get_field('firstname').verbose_name,
            widget = forms.TextInput(attrs={'size': '50'}))

    father = AutoCompleteSelectField('father_list', label=Meta.model._meta.get_field('father').verbose_name,
            required=False, help_text=None, plugin_options={'autofocus': True, 'minlength': 3})

    mother =  AutoCompleteSelectField('mother_list', label=Meta.model._meta.get_field('mother').verbose_name,
            required=False, help_text=None, plugin_options={'autofocus': True, 'minlength': 3})

    sex = forms.ChoiceField(widget = forms.RadioSelect,choices= SEX_CHOICES)
    birthday = forms.DateField(initial=datetime.date.today())


    def clean_fathers(self):
            if self.cleaned_data['father']:  # It is a list
                    raise forms.ValidationError(_("Please select at least one author"))
            return self.cleaned_data['father']

    def clean_mothers(self):
            if not any(self.cleaned_data['mother']):  # It is a list
                    raise forms.ValidationError(_("Please select at least one publisher"))
            return self.cleaned_data['mother']

models.py

  class Birth(ModelEntity):

    firstname       = models.CharField(max_length=30, null=False, verbose_name='Prénom(s)')
    sex             = models.CharField(max_length=8, choices=SEX_CHOICES, verbose_name='Sexe')
    birthweight     = models.DecimalField(max_digits=4,  decimal_places=2, verbose_name="Poids à la naissance")
    birthday        = models.DateField(null=False, verbose_name='Date de naissance')
    birthhour       = models.TimeField(null=True, verbose_name='Heure de naissance')
    birthcity       = models.CharField(max_length=30, null=False, verbose_name='Ville de naissance')
    birthcountry    = models.CharField(max_length=50, verbose_name='Pays de naissance', default='Bénin')
    father          = models.ForeignKey(Registration, related_name='father', verbose_name='Father',
                            on_delete=models.CASCADE, null=False)
    mother          = models.ForeignKey(Registration, related_name='mother', verbose_name='Mother',
                            on_delete=models.CASCADE, null=False)
    mairie          = models.CharField(max_length=30, null=False, verbose_name='Mairie')
    social_number   = models.CharField(max_length=30, null=True, verbose_name='numero social', unique=True)
    created         = models.DateTimeField(auto_now_add=True)


    objects = BirthManager()


    def __str__(self):
            return "%s - %s - %s - %s %s - %s - %s" % (self.firstname, self.sex, self.birthweight, self.birthday,
                                                    self.birthhour,self.birthcity, self.birthcountry)

    class Meta:
            ordering = ['-created']
            verbose_name= ("Naissance")
            verbose_name_plural = ("Naissances")

自动完成选择和外键

0 个答案: