Python django.forms 模块，ModelMultipleChoiceField() 实例源码

我们从Python开源项目中，提取了以下37个代码示例，用于说明如何使用django.forms.ModelMultipleChoiceField()。

项目：fir_async_plugin 作者：gcrahay | 项目源码 | 文件源码

def preferences(request):

    class NotificationPreferenceForm(forms.ModelForm):
        event = forms.ChoiceField(choices=registry.get_event_choices(), disabled=True, widget=forms.HiddenInput())
        method = forms.ChoiceField(choices=registry.get_method_choices(), disabled=True, widget=forms.HiddenInput())
        business_lines = forms.ModelMultipleChoiceField(BusinessLine.authorization.for_user(request.user,
                                                                                            'incidents.view_incidents'),
                                                        required=False)

        class Meta:
            fields = "__all__"

    formset = forms.inlineformset_factory(User, NotificationPreference,
                                          formset=NotificationPreferenceFormset,
                                          form=NotificationPreferenceForm)
    if request.method == 'POST':
        fs = formset(request.POST, instance=request.user)
        if fs.is_valid():
            fs.save()
        return redirect('user:profile')
    else:
        fs = formset(instance=request.user)

    return render(request, "fir_async/preferences.html", {'formset': fs})

项目：mendelmd 作者：raonyguimaraes | 项目源码 | 文件源码

def __init__(self, user=None, *args, **kwargs):

        super(FamilyAnalysisForm, self).__init__(*args, **kwargs)

        if not user.is_authenticated():
            # print('user None', user)
            self.fields['mother'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=None).order_by('id'), required=False)
            self.fields['father'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=None).order_by('id'), required=False)
            self.fields['children'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=None).order_by('id'), required=False)
            self.fields['exclude_individuals'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=None).order_by('id'), required=False)
        else:
            # print('user', user)
            self.fields['mother'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=user).order_by('id'), required=False)
            self.fields['father'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=user).order_by('id'), required=False)
            self.fields['children'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=user).order_by('id'), required=False)
            self.fields['exclude_individuals'] = forms.ModelMultipleChoiceField(queryset=Individual.objects.filter(user=user).order_by('id'), required=False)


# INDIVIDUALS = [(x.id, x.name) for x in Individual.objects.all().order_by('id')]

项目：pretalx 作者：pretalx | 项目源码 | 文件源码

def _save_to_answer(self, field, answer, value):
        action = 'pretalx.submission.answer' + ('update' if answer.pk else 'create')
        if isinstance(field, forms.ModelMultipleChoiceField):
            answstr = ', '.join([str(o) for o in value])
            if not answer.pk:
                answer.save()
            else:
                answer.options.clear()
            answer.answer = answstr
            answer.options.add(*value)
        elif isinstance(field, forms.ModelChoiceField):
            if not answer.pk:
                answer.save()
            else:
                answer.options.clear()
            answer.options.add(value)
            answer.answer = value.answer
        elif isinstance(field, forms.FileField):
            if isinstance(value, UploadedFile):
                answer.answer_file.save(value.name, value)
                answer.answer = 'file://' + value.name
            value = answer.answer
        else:
            answer.answer = value
        answer.log_action(action, person=self.request_user, data={'answer': value})

项目：website 作者：hackerspace-ntnu | 项目源码 | 文件源码

def save(self, *args, **kwargs):
        instance = super(SettingsModelForm, self).save(*args, **kwargs)
        if self.__editing_instance:
            # Django < 1.5 returns list objects when ModelMultipleChoiceField
            # is empty.. so check before calling delete()
            if self.cleaned_data['delete_subscriptions']:
                self.cleaned_data['delete_subscriptions'].delete()
            if self.cleaned_data['email'] == 1:
                instance.subscription_set.all().update(
                    send_emails=False,
                )
            if self.cleaned_data['email'] == 2:
                instance.subscription_set.all().update(
                    send_emails=True,
                )
        return instance