Question

我有一个与另一个人有很多关系的模特。我按照https://gist.github.com/jdklub/9261959上的示例操作，以便从changelist视图中编辑manytomany字段。但是，当我进行更改时，实际上只保存了对manytomany字段的更改。

admin.py

class HostChangeList(ChangeList):
    def __init__(self, request, model, list_display, list_display_links,
        list_filter, date_hierarchy, search_fields, list_select_related,
        list_per_page, list_max_show_all, list_editable, model_admin):

    super(HostChangeList, self).__init__(request, model, list_display, list_display_links,
        list_filter, date_hierarchy, search_fields, list_select_related,
        list_per_page, list_max_show_all, list_editable, model_admin)

    self.list_display = ('action_checkbox', 'name', 'ip', 'fagroup', 'description', 'customer_facing', 'monitored', 'puppet', 'sso')
    self.list_editable = ['fagroup', 'description', 'customer_facing', 'monitored', 'puppet', 'sso']
    self.list_display_links = ['name']

class HostForm(forms.ModelForm):
    fagroup = forms.ModelMultipleChoiceField(queryset=FAgroup.objects.all(),widget=forms.SelectMultiple(attrs={'size': '10'}),required=False)
    description = forms.CharField(required=False)
    customer_facing = forms.NullBooleanField()
    monitored = forms.NullBooleanField()
    puppet = forms.NullBooleanField()
    sso = forms.NullBooleanField()

class HostAdmin(admin.ModelAdmin):
    def get_changelist(self, request, **kwargs):
        return HostChangeList

    def get_changelist_form(self, request, **kwargs):
        return HostForm

models.py

class Host(models.Model):
    name = models.CharField(max_length=200)
    ip = models.GenericIPAddressField(default='0.0.0.0')
    fagroup = models.ManyToManyField(FAgroup)
    description = models.TextField(default=None, blank=True, null=True)
    customer_facing = models.NullBooleanField(default=False, null=False)
    monitored = models.NullBooleanField(default=False, null=True)
    puppet = models.NullBooleanField(default=False, null=True)
    sso = models.NullBooleanField(default=False, null=True)

    def __str__(self):
        return self.name

    def display_fagroups(self):
        return ', '.join([ group.name for group in self.fagroup.all() ])

class FAgroup(models.Model):
    name = models.CharField(max_length=200)

    def __str__(self):
        return self.name

我甚至尝试从ModelForm和ChangeList中删除对manytomany字段的所有引用，但没有字段保存。它没有给出任何错误，并且确实给出了保存记录的消息，但没有任何更改持续存在。

Answer 1

我不确定这是否是解决此问题的正确方法，但我可以通过覆盖HostAdmin类的内置保存功能来保存它。希望这有助于其他人查看类似的问题。

class HostAdmin(admin.ModelAdmin):
    search_fields = ('name', 'ip', 'fagroup__name')
    list_filter = ('fagroup', 'customer_facing', 'monitored', 'puppet', 'sso')
    actions_on_bottom = True

    def get_changelist(self, request, **kwargs):
        return HostChangeList

    def get_changelist_form(self, request, **kwargs):
        return HostForm

    def save_model(self, request, obj, form, change):

        if form.cleaned_data['fagroup'] != obj.fagroup:
            obj.fagroup = form.cleaned_data['fagroup']
        if form.cleaned_data['description'] != obj.description:
            obj.description = form.cleaned_data['description']
        if form.cleaned_data['customer_facing'] != obj.customer_facing:
            obj.customer_facing = form.cleaned_data['customer_facing']
        if form.cleaned_data['monitored'] != obj.monitored:
            obj.monitored = form.cleaned_data['monitored']
        if form.cleaned_data['puppet'] != obj.puppet:
            obj.puppet = form.cleaned_data['puppet']
        if form.cleaned_data['sso'] != obj.sso:
            obj.sso = form.cleaned_data['sso']

        obj.save()

django admin changelist视图中未保存的更改

1 个答案: