Question

如何从管理页面中删除此过滤器及其功能？

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我正在尝试仅显示其员工状态为true的用户，并且由于过滤器的“按员工状态”设置为页面加载时的“全部”，我认为查询无效。无论如何如何完全删除它？

Answer 1

将list_filter = ()添加到模型定义中。

Answer 2

是的，我发现另一种更清楚的方法。如果您看到auth类（User Class）的源代码，则admin将如下所示：

class UserAdmin(admin.ModelAdmin):
    add_form_template = 'admin/auth/user/add_form.html'
    change_user_password_template = None
    fieldsets = (
        (None, {'fields': ('username', 'password')}),
        (_('Personal info'), {'fields': ('first_name', 'last_name', 'email')}),
        (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser',
                                       'groups', 'user_permissions')}),
        (_('Important dates'), {'fields': ('last_login', 'date_joined')}),
    )
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields': ('username', 'password1', 'password2'),
        }),
    )
    form = UserChangeForm
    add_form = UserCreationForm
    change_password_form = AdminPasswordChangeForm
    list_display = ('username', 'email', 'first_name', 'last_name', 'is_staff')
    list_filter = ('is_staff', 'is_superuser', 'is_active', 'groups')
    search_fields = ('username', 'first_name', 'last_name', 'email')
    ordering = ('username',)
    filter_horizontal = ('groups', 'user_permissions',)

    def get_fieldsets(self, request, obj=None):
        if not obj:
            return self.add_fieldsets
        return super(UserAdmin, self).get_fieldsets(request, obj)

    def get_form(self, request, obj=None, **kwargs):
        """
        Use special form during user creation
        """
        defaults = {}
        if obj is None:
            defaults['form'] = self.add_form
        defaults.update(kwargs)
        return super(UserAdmin, self).get_form(request, obj, **defaults)

    def get_urls(self):
        return [
            url(r'^(.+)/password/$', self.admin_site.admin_view(self.user_change_password), name='auth_user_password_change'),
        ] + super(UserAdmin, self).get_urls()

    def lookup_allowed(self, lookup, value):
        # See #20078: we don't want to allow any lookups involving passwords.
        if lookup.startswith('password'):
            return False
        return super(UserAdmin, self).lookup_allowed(lookup, value)

    @sensitive_post_parameters_m
    @csrf_protect_m
    @transaction.atomic
    def add_view(self, request, form_url='', extra_context=None):
        # It's an error for a user to have add permission but NOT change
        # permission for users. If we allowed such users to add users, they
        # could create superusers, which would mean they would essentially have
        # the permission to change users. To avoid the problem entirely, we
        # disallow users from adding users if they don't have change
        # permission.
        if not self.has_change_permission(request):
            if self.has_add_permission(request) and settings.DEBUG:
                # Raise Http404 in debug mode so that the user gets a helpful
                # error message.
                raise Http404(
                    'Your user does not have the "Change user" permission. In '
                    'order to add users, Django requires that your user '
                    'account have both the "Add user" and "Change user" '
                    'permissions set.')
            raise PermissionDenied
        if extra_context is None:
            extra_context = {}
        username_field = self.model._meta.get_field(self.model.USERNAME_FIELD)
        defaults = {
            'auto_populated_fields': (),
            'username_help_text': username_field.help_text,
        }
        extra_context.update(defaults)
        return super(UserAdmin, self).add_view(request, form_url,
                                               extra_context)

    @sensitive_post_parameters_m
    def user_change_password(self, request, id, form_url=''):
        if not self.has_change_permission(request):
            raise PermissionDenied
        user = self.get_object(request, unquote(id))
        if user is None:
            raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {
                'name': force_text(self.model._meta.verbose_name),
                'key': escape(id),
            })
        if request.method == 'POST':
            form = self.change_password_form(user, request.POST)
            if form.is_valid():
                form.save()
                change_message = self.construct_change_message(request, form, None)
                self.log_change(request, user, change_message)
                msg = ugettext('Password changed successfully.')
                messages.success(request, msg)
                update_session_auth_hash(request, form.user)
                return HttpResponseRedirect(
                    reverse(
                        '%s:auth_%s_change' % (
                            self.admin_site.name,
                            user._meta.model_name,
                        ),
                        args=(user.pk,),
                    )
                )
        else:
            form = self.change_password_form(user)

        fieldsets = [(None, {'fields': list(form.base_fields)})]
        adminForm = admin.helpers.AdminForm(form, fieldsets, {})

        context = {
            'title': _('Change password: %s') % escape(user.get_username()),
            'adminForm': adminForm,
            'form_url': form_url,
            'form': form,
            'is_popup': (IS_POPUP_VAR in request.POST or
                         IS_POPUP_VAR in request.GET),
            'add': True,
            'change': False,
            'has_delete_permission': False,
            'has_change_permission': True,
            'has_absolute_url': False,
            'opts': self.model._meta,
            'original': user,
            'save_as': False,
            'show_save': True,
        }
        context.update(admin.site.each_context(request))

        request.current_app = self.admin_site.name

        return TemplateResponse(request,
            self.change_user_password_template or
            'admin/auth/user/change_password.html',
            context)

    def response_add(self, request, obj, post_url_continue=None):
        """
        Determines the HttpResponse for the add_view stage. It mostly defers to
        its superclass implementation but is customized because the User model
        has a slightly different workflow.
        """
        # We should allow further modification of the user just added i.e. the
        # 'Save' button should behave like the 'Save and continue editing'
        # button except in two scenarios:
        # * The user has pressed the 'Save and add another' button
        # * We are adding a user in a popup
        if '_addanother' not in request.POST and IS_POPUP_VAR not in request.POST:
            request.POST['_continue'] = 1
        return super(UserAdmin, self).response_add(request, obj,
                                                   post_url_continue)

在任何应用程序的管理员中，您可以取消注册用户类，定义自定义UserAdmin，然后再次注册：

from django.contrib.auth.models import User
from django.contrib.auth.admin import UserAdmin
...
admin.site.unregister(User)

class UserAdmin(UserAdmin):
    model = User
    list_filter = ()

admin.site.register(User, UserAdmin)

放置list_filter=()您将覆盖默认过滤器告诉django您不需要任何过滤器，因此它不会出现。您可以覆盖此Admin Class中默认配置的任何配置。

修改：您必须添加函数queryset，以过滤要显示的对象。为了您的目的，您必须执行以下操作：

admin.site.unregister(User) class UserAdmin(UserAdmin): model = User list_filter = () def queryset(self, request): qs = super(UserAdmin, self).queryset(request) return qs.filter(is_staff=True) admin.site.register(User, UserAdmin)

如何删除django admin中出现的更改列表过滤器的功能？

2 个答案: