Merge 9491356c7e into 20c260b126

docs/development/application-registry.md

@@ -20,6 +20,10 @@ A dictionary mapping data backend types to their respective classes. These are u
 
 Stores registration made using `netbox.denormalized.register()`. For each model, a list of related models and their field mappings is maintained to facilitate automatic updates.
 
+### `filtersets`
+
+A dictionary mapping each model (identified by its app and label) to its filterset class, if one has been registered for it. Filtersets are registered using the `@register_filterset` decorator.
+
 ### `model_features`
 
 A dictionary of model features (e.g. custom fields, tags, etc.) mapped to the functions used to qualify a model as supporting each feature. Model features are registered using the `register_model_feature()` function in `netbox.utils`.

netbox/circuits/filtersets.py

@@ -7,6 +7,7 @@ from dcim.filtersets import CabledObjectFilterSet
 from dcim.models import Interface, Location, Region, Site, SiteGroup
 from ipam.models import ASN
 from netbox.filtersets import NetBoxModelFilterSet, OrganizationalModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import ContactModelFilterSet, TenancyFilterSet
 from utilities.filters import (
     ContentTypeFilter, MultiValueCharFilter, MultiValueNumberFilter, TreeNodeMultipleChoiceFilter,
@@ -29,6 +30,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class ProviderFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -93,6 +95,7 @@ class ProviderFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
         )
 
 
+@register_filterset
 class ProviderAccountFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
     provider_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Provider.objects.all(),
@@ -120,6 +123,7 @@ class ProviderAccountFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
         ).distinct()
 
 
+@register_filterset
 class ProviderNetworkFilterSet(PrimaryModelFilterSet):
     provider_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Provider.objects.all(),
@@ -147,6 +151,7 @@ class ProviderNetworkFilterSet(PrimaryModelFilterSet):
         ).distinct()
 
 
+@register_filterset
 class CircuitTypeFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -154,6 +159,7 @@ class CircuitTypeFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'color', 'description')
 
 
+@register_filterset
 class CircuitFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     provider_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Provider.objects.all(),
@@ -265,6 +271,7 @@ class CircuitFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilt
         ).distinct()
 
 
+@register_filterset
 class CircuitTerminationFilterSet(NetBoxModelFilterSet, CabledObjectFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -360,6 +367,7 @@ class CircuitTerminationFilterSet(NetBoxModelFilterSet, CabledObjectFilterSet):
         ).distinct()
 
 
+@register_filterset
 class CircuitGroupFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
 
     class Meta:
@@ -367,6 +375,7 @@ class CircuitGroupFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class CircuitGroupAssignmentFilterSet(NetBoxModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -466,6 +475,7 @@ class CircuitGroupAssignmentFilterSet(NetBoxModelFilterSet):
         )
 
 
+@register_filterset
 class VirtualCircuitTypeFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -473,6 +483,7 @@ class VirtualCircuitTypeFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'color', 'description')
 
 
+@register_filterset
 class VirtualCircuitFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     provider_id = django_filters.ModelMultipleChoiceFilter(
         field_name='provider_network__provider',
@@ -529,6 +540,7 @@ class VirtualCircuitFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         ).distinct()
 
 
+@register_filterset
 class VirtualCircuitTerminationFilterSet(NetBoxModelFilterSet):
     q = django_filters.CharFilter(
         method='search',

netbox/core/filtersets.py

@@ -4,6 +4,7 @@ from django.db.models import Q
 from django.utils.translation import gettext as _
 
 from netbox.filtersets import BaseFilterSet, ChangeLoggedModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from netbox.utils import get_data_backend_choices
 from users.models import User
 from utilities.filters import ContentTypeFilter
@@ -20,6 +21,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class DataSourceFilterSet(PrimaryModelFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=get_data_backend_choices,
@@ -48,6 +50,7 @@ class DataSourceFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class DataFileFilterSet(ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search'
@@ -75,6 +78,7 @@ class DataFileFilterSet(ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class JobFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -139,6 +143,7 @@ class JobFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class ObjectTypeFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -164,6 +169,7 @@ class ObjectTypeFilterSet(BaseFilterSet):
         return queryset.filter(features__icontains=value)
 
 
+@register_filterset
 class ObjectChangeFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -203,6 +209,7 @@ class ObjectChangeFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class ConfigRevisionFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',

netbox/dcim/filtersets.py

@@ -14,6 +14,7 @@ from netbox.filtersets import (
     AttributeFiltersMixin, BaseFilterSet, ChangeLoggedModelFilterSet, NestedGroupModelFilterSet,
     OrganizationalModelFilterSet, PrimaryModelFilterSet, NetBoxModelFilterSet,
 )
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import ContactModelFilterSet, TenancyFilterSet
 from tenancy.models import *
 from users.filterset_mixins import OwnerFilterMixin
@@ -84,6 +85,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class RegionFilterSet(NestedGroupModelFilterSet, ContactModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -114,6 +116,7 @@ class RegionFilterSet(NestedGroupModelFilterSet, ContactModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class SiteGroupFilterSet(NestedGroupModelFilterSet, ContactModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=SiteGroup.objects.all(),
@@ -144,6 +147,7 @@ class SiteGroupFilterSet(NestedGroupModelFilterSet, ContactModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class SiteFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     status = django_filters.MultipleChoiceFilter(
         choices=SiteStatusChoices,
@@ -208,6 +212,7 @@ class SiteFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterS
         return queryset.filter(qs_filter).distinct()
 
 
+@register_filterset
 class LocationFilterSet(TenancyFilterSet, ContactModelFilterSet, NestedGroupModelFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -287,6 +292,7 @@ class LocationFilterSet(TenancyFilterSet, ContactModelFilterSet, NestedGroupMode
         return queryset
 
 
+@register_filterset
 class RackRoleFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -294,6 +300,7 @@ class RackRoleFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'color', 'description')
 
 
+@register_filterset
 class RackTypeFilterSet(PrimaryModelFilterSet):
     manufacturer_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Manufacturer.objects.all(),
@@ -332,6 +339,7 @@ class RackTypeFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class RackFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -448,6 +456,7 @@ class RackFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterS
         )
 
 
+@register_filterset
 class RackReservationFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     rack_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Rack.objects.all(),
@@ -537,6 +546,7 @@ class RackReservationFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         )
 
 
+@register_filterset
 class ManufacturerFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet):
 
     class Meta:
@@ -544,6 +554,7 @@ class ManufacturerFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet)
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class DeviceTypeFilterSet(PrimaryModelFilterSet):
     manufacturer_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Manufacturer.objects.all(),
@@ -687,6 +698,7 @@ class DeviceTypeFilterSet(PrimaryModelFilterSet):
         return queryset.exclude(inventoryitemtemplates__isnull=value)
 
 
+@register_filterset
 class ModuleTypeProfileFilterSet(PrimaryModelFilterSet):
 
     class Meta:
@@ -703,6 +715,7 @@ class ModuleTypeProfileFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class ModuleTypeFilterSet(AttributeFiltersMixin, PrimaryModelFilterSet):
     profile_id = django_filters.ModelMultipleChoiceFilter(
         queryset=ModuleTypeProfile.objects.all(),
@@ -819,6 +832,7 @@ class ModularDeviceTypeComponentFilterSet(DeviceTypeComponentFilterSet):
     )
 
 
+@register_filterset
 class ConsolePortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
 
     class Meta:
@@ -826,6 +840,7 @@ class ConsolePortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceType
         fields = ('id', 'name', 'label', 'type', 'description')
 
 
+@register_filterset
 class ConsoleServerPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
 
     class Meta:
@@ -833,6 +848,7 @@ class ConsoleServerPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDevi
         fields = ('id', 'name', 'label', 'type', 'description')
 
 
+@register_filterset
 class PowerPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
 
     class Meta:
@@ -840,6 +856,7 @@ class PowerPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeCo
         fields = ('id', 'name', 'label', 'type', 'maximum_draw', 'allocated_draw', 'description')
 
 
+@register_filterset
 class PowerOutletTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
     feed_leg = django_filters.MultipleChoiceFilter(
         choices=PowerOutletFeedLegChoices,
@@ -855,6 +872,7 @@ class PowerOutletTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceType
         fields = ('id', 'name', 'label', 'type', 'color', 'feed_leg', 'description')
 
 
+@register_filterset
 class InterfaceTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=InterfaceTypeChoices,
@@ -879,6 +897,7 @@ class InterfaceTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeCo
         fields = ('id', 'name', 'label', 'type', 'enabled', 'mgmt_only', 'description')
 
 
+@register_filterset
 class FrontPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PortTypeChoices,
@@ -893,6 +912,7 @@ class FrontPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeCo
         fields = ('id', 'name', 'label', 'type', 'color', 'rear_port_position', 'description')
 
 
+@register_filterset
 class RearPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PortTypeChoices,
@@ -904,6 +924,7 @@ class RearPortTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeCom
         fields = ('id', 'name', 'label', 'type', 'color', 'positions', 'description')
 
 
+@register_filterset
 class ModuleBayTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeComponentFilterSet):
 
     class Meta:
@@ -911,6 +932,7 @@ class ModuleBayTemplateFilterSet(ChangeLoggedModelFilterSet, ModularDeviceTypeCo
         fields = ('id', 'name', 'label', 'position', 'description')
 
 
+@register_filterset
 class DeviceBayTemplateFilterSet(ChangeLoggedModelFilterSet, DeviceTypeComponentFilterSet):
 
     class Meta:
@@ -918,6 +940,7 @@ class DeviceBayTemplateFilterSet(ChangeLoggedModelFilterSet, DeviceTypeComponent
         fields = ('id', 'name', 'label', 'description')
 
 
+@register_filterset
 class InventoryItemTemplateFilterSet(ChangeLoggedModelFilterSet, DeviceTypeComponentFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=InventoryItemTemplate.objects.all(),
@@ -961,6 +984,7 @@ class InventoryItemTemplateFilterSet(ChangeLoggedModelFilterSet, DeviceTypeCompo
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class DeviceRoleFilterSet(NestedGroupModelFilterSet):
     config_template_id = django_filters.ModelMultipleChoiceFilter(
         queryset=ConfigTemplate.objects.all(),
@@ -995,6 +1019,7 @@ class DeviceRoleFilterSet(NestedGroupModelFilterSet):
         fields = ('id', 'name', 'slug', 'color', 'vm_role', 'description')
 
 
+@register_filterset
 class PlatformFilterSet(NestedGroupModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Platform.objects.all(),
@@ -1052,6 +1077,7 @@ class PlatformFilterSet(NestedGroupModelFilterSet):
         return queryset.filter(Q(manufacturer=None) | Q(manufacturer__device_types=value))
 
 
+@register_filterset
 class DeviceFilterSet(
     PrimaryModelFilterSet,
     TenancyFilterSet,
@@ -1354,6 +1380,7 @@ class DeviceFilterSet(
         return queryset.exclude(params)
 
 
+@register_filterset
 class VirtualDeviceContextFilterSet(PrimaryModelFilterSet, TenancyFilterSet, PrimaryIPFilterSet):
     device_id = django_filters.ModelMultipleChoiceFilter(
         field_name='device',
@@ -1403,6 +1430,7 @@ class VirtualDeviceContextFilterSet(PrimaryModelFilterSet, TenancyFilterSet, Pri
         return queryset.exclude(params)
 
 
+@register_filterset
 class ModuleFilterSet(PrimaryModelFilterSet):
     manufacturer_id = django_filters.ModelMultipleChoiceFilter(
         field_name='module_type__manufacturer',
@@ -1691,6 +1719,7 @@ class PathEndpointFilterSet(django_filters.FilterSet):
             return queryset.filter(Q(_path__isnull=True) | Q(_path__is_active=False))
 
 
+@register_filterset
 class ConsolePortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet, PathEndpointFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=ConsolePortTypeChoices,
@@ -1702,6 +1731,7 @@ class ConsolePortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSe
         fields = ('id', 'name', 'label', 'speed', 'description', 'mark_connected', 'cable_end', 'cable_position')
 
 
+@register_filterset
 class ConsoleServerPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet, PathEndpointFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=ConsolePortTypeChoices,
@@ -1713,6 +1743,7 @@ class ConsoleServerPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFi
         fields = ('id', 'name', 'label', 'speed', 'description', 'mark_connected', 'cable_end', 'cable_position')
 
 
+@register_filterset
 class PowerPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet, PathEndpointFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PowerPortTypeChoices,
@@ -1727,6 +1758,7 @@ class PowerPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet,
         )
 
 
+@register_filterset
 class PowerOutletFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet, PathEndpointFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PowerOutletTypeChoices,
@@ -1753,6 +1785,7 @@ class PowerOutletFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSe
         )
 
 
+@register_filterset
 class MACAddressFilterSet(PrimaryModelFilterSet):
     mac_address = MultiValueMACAddressFilter()
     assigned_object_type = ContentTypeFilter()
@@ -1934,6 +1967,7 @@ class CommonInterfaceFilterSet(django_filters.FilterSet):
         )
 
 
+@register_filterset
 class InterfaceFilterSet(
     ModularDeviceComponentFilterSet,
     CabledObjectFilterSet,
@@ -2096,6 +2130,7 @@ class InterfaceFilterSet(
             )
 
 
+@register_filterset
 class FrontPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PortTypeChoices,
@@ -2113,6 +2148,7 @@ class FrontPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet)
         )
 
 
+@register_filterset
 class RearPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=PortTypeChoices,
@@ -2127,6 +2163,7 @@ class RearPortFilterSet(ModularDeviceComponentFilterSet, CabledObjectFilterSet):
         )
 
 
+@register_filterset
 class ModuleBayFilterSet(ModularDeviceComponentFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=ModuleBay.objects.all(),
@@ -2143,6 +2180,7 @@ class ModuleBayFilterSet(ModularDeviceComponentFilterSet):
         fields = ('id', 'name', 'label', 'position', 'description')
 
 
+@register_filterset
 class DeviceBayFilterSet(DeviceComponentFilterSet):
     installed_device_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Device.objects.all(),
@@ -2160,6 +2198,7 @@ class DeviceBayFilterSet(DeviceComponentFilterSet):
         fields = ('id', 'name', 'label', 'description')
 
 
+@register_filterset
 class InventoryItemFilterSet(DeviceComponentFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=InventoryItem.objects.all(),
@@ -2212,6 +2251,7 @@ class InventoryItemFilterSet(DeviceComponentFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class InventoryItemRoleFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -2219,6 +2259,7 @@ class InventoryItemRoleFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'color', 'description')
 
 
+@register_filterset
 class VirtualChassisFilterSet(PrimaryModelFilterSet):
     master_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Device.objects.all(),
@@ -2295,6 +2336,7 @@ class VirtualChassisFilterSet(PrimaryModelFilterSet):
         return queryset.filter(qs_filter).distinct()
 
 
+@register_filterset
 class CableFilterSet(TenancyFilterSet, PrimaryModelFilterSet):
     termination_a_type = ContentTypeFilter(
         field_name='terminations__termination_type'
@@ -2467,6 +2509,7 @@ class CableFilterSet(TenancyFilterSet, PrimaryModelFilterSet):
         return self.filter_by_termination_object(queryset, CircuitTermination, value)
 
 
+@register_filterset
 class CableTerminationFilterSet(ChangeLoggedModelFilterSet):
     termination_type = ContentTypeFilter()
 
@@ -2475,6 +2518,7 @@ class CableTerminationFilterSet(ChangeLoggedModelFilterSet):
         fields = ('id', 'cable', 'cable_end', 'position', 'termination_type', 'termination_id')
 
 
+@register_filterset
 class PowerPanelFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -2533,6 +2577,7 @@ class PowerPanelFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class PowerFeedFilterSet(PrimaryModelFilterSet, CabledObjectFilterSet, PathEndpointFilterSet, TenancyFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),

netbox/dcim/forms/filtersets.py

@@ -638,6 +638,7 @@ class ModuleTypeProfileFilterForm(PrimaryModelFilterSetForm):
         FieldSet('q', 'filter_id', 'tag', 'owner_id'),
     )
     selector_fields = ('filter_id', 'q')
+    tag = TagFilterField(model)
 
 
 class ModuleTypeFilterForm(PrimaryModelFilterSetForm):

netbox/extras/filtersets.py

@@ -6,6 +6,7 @@ from django.utils.translation import gettext as _
 from core.models import DataSource, ObjectType
 from dcim.models import DeviceRole, DeviceType, Location, Platform, Region, Site, SiteGroup
 from netbox.filtersets import BaseFilterSet, ChangeLoggedModelFilterSet, NetBoxModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from tenancy.models import Tenant, TenantGroup
 from users.filterset_mixins import OwnerFilterMixin
 from users.models import Group, User
@@ -40,6 +41,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class ScriptFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -62,6 +64,7 @@ class ScriptFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class WebhookFilterSet(OwnerFilterMixin, NetBoxModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -91,6 +94,7 @@ class WebhookFilterSet(OwnerFilterMixin, NetBoxModelFilterSet):
         )
 
 
+@register_filterset
 class EventRuleFilterSet(OwnerFilterMixin, NetBoxModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -131,6 +135,7 @@ class EventRuleFilterSet(OwnerFilterMixin, NetBoxModelFilterSet):
         return queryset.filter(event_types__overlap=value)
 
 
+@register_filterset
 class CustomFieldFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -180,6 +185,7 @@ class CustomFieldFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class CustomFieldChoiceSetFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -208,6 +214,7 @@ class CustomFieldChoiceSetFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet
         return queryset.filter(extra_choices__overlap=value)
 
 
+@register_filterset
 class CustomLinkFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -238,6 +245,7 @@ class CustomLinkFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class ExportTemplateFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -276,6 +284,7 @@ class ExportTemplateFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class SavedFilterFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -328,6 +337,7 @@ class SavedFilterFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         return queryset.filter(Q(enabled=False) | Q(Q(shared=False) & ~Q(user=user)))
 
 
+@register_filterset
 class TableConfigFilterSet(ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -381,6 +391,7 @@ class TableConfigFilterSet(ChangeLoggedModelFilterSet):
         return queryset.filter(Q(enabled=False) | Q(Q(shared=False) & ~Q(user=user)))
 
 
+@register_filterset
 class BookmarkFilterSet(BaseFilterSet):
     created = django_filters.DateTimeFilter()
     object_type_id = MultiValueNumberFilter()
@@ -401,6 +412,7 @@ class BookmarkFilterSet(BaseFilterSet):
         fields = ('id', 'object_id')
 
 
+@register_filterset
 class NotificationGroupFilterSet(ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -444,6 +456,7 @@ class NotificationGroupFilterSet(ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class ImageAttachmentFilterSet(ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -465,6 +478,7 @@ class ImageAttachmentFilterSet(ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class JournalEntryFilterSet(NetBoxModelFilterSet):
     created = django_filters.DateTimeFromToRangeFilter()
     assigned_object_type = ContentTypeFilter()
@@ -495,6 +509,7 @@ class JournalEntryFilterSet(NetBoxModelFilterSet):
         return queryset.filter(comments__icontains=value)
 
 
+@register_filterset
 class TagFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -555,6 +570,7 @@ class TagFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class TaggedItemFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -590,6 +606,7 @@ class TaggedItemFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class ConfigContextProfileFilterSet(PrimaryModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -620,6 +637,7 @@ class ConfigContextProfileFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class ConfigContextFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -789,6 +807,7 @@ class ConfigContextFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class ConfigTemplateFilterSet(OwnerFilterMixin, ChangeLoggedModelFilterSet):
     q = django_filters.CharFilter(
         method='search',

netbox/extras/forms/filtersets.py

@@ -287,6 +287,7 @@ class SavedFilterFilterForm(SavedFiltersMixin, FilterForm):
 
 
 class TableConfigFilterForm(SavedFiltersMixin, FilterForm):
+    model = TableConfig
     fieldsets = (
         FieldSet('q', 'filter_id'),
         FieldSet('object_type_id', 'enabled', 'shared', 'weight', name=_('Attributes')),

netbox/ipam/filtersets.py

@@ -14,8 +14,8 @@ from dcim.models import Device, Interface, Region, Site, SiteGroup
 from netbox.filtersets import (
     ChangeLoggedModelFilterSet, OrganizationalModelFilterSet, NetBoxModelFilterSet, PrimaryModelFilterSet,
 )
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import ContactModelFilterSet, TenancyFilterSet
-
 from utilities.filters import (
     ContentTypeFilter, MultiValueCharFilter, MultiValueNumberFilter, NumericArrayFilter, TreeNodeMultipleChoiceFilter,
 )
@@ -47,6 +47,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class VRFFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     import_target_id = django_filters.ModelMultipleChoiceFilter(
         field_name='import_targets',
@@ -85,6 +86,7 @@ class VRFFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         fields = ('id', 'name', 'rd', 'enforce_unique', 'description')
 
 
+@register_filterset
 class RouteTargetFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     importing_vrf_id = django_filters.ModelMultipleChoiceFilter(
         field_name='importing_vrfs',
@@ -144,6 +146,7 @@ class RouteTargetFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         fields = ('id', 'name', 'description')
 
 
+@register_filterset
 class RIRFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -151,6 +154,7 @@ class RIRFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'is_private', 'description')
 
 
+@register_filterset
 class AggregateFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     family = django_filters.NumberFilter(
         field_name='prefix',
@@ -198,6 +202,7 @@ class AggregateFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFi
             return queryset.none()
 
 
+@register_filterset
 class ASNRangeFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
     rir_id = django_filters.ModelMultipleChoiceFilter(
         queryset=RIR.objects.all(),
@@ -223,6 +228,7 @@ class ASNRangeFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
         )
 
 
+@register_filterset
 class ASNFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     rir_id = django_filters.ModelMultipleChoiceFilter(
         queryset=RIR.objects.all(),
@@ -285,6 +291,7 @@ class ASNFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class RoleFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -292,6 +299,7 @@ class RoleFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'description', 'weight')
 
 
+@register_filterset
 class PrefixFilterSet(PrimaryModelFilterSet, ScopedFilterSet, TenancyFilterSet, ContactModelFilterSet):
     family = django_filters.NumberFilter(
         field_name='prefix',
@@ -458,6 +466,7 @@ class PrefixFilterSet(PrimaryModelFilterSet, ScopedFilterSet, TenancyFilterSet,
         ).distinct()
 
 
+@register_filterset
 class IPRangeFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     family = django_filters.NumberFilter(
         field_name='start_address',
@@ -550,6 +559,7 @@ class IPRangeFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilt
         return queryset.filter(q)
 
 
+@register_filterset
 class IPAddressFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     family = django_filters.NumberFilter(
         field_name='address',
@@ -786,6 +796,7 @@ class IPAddressFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFi
             )
 
 
+@register_filterset
 class FHRPGroupFilterSet(PrimaryModelFilterSet):
     protocol = django_filters.MultipleChoiceFilter(
         choices=FHRPGroupProtocolChoices
@@ -833,6 +844,7 @@ class FHRPGroupFilterSet(PrimaryModelFilterSet):
         return queryset.filter(ip_filter)
 
 
+@register_filterset
 class FHRPGroupAssignmentFilterSet(ChangeLoggedModelFilterSet):
     interface_type = ContentTypeFilter()
     group_id = django_filters.ModelMultipleChoiceFilter(
@@ -887,6 +899,7 @@ class FHRPGroupAssignmentFilterSet(ChangeLoggedModelFilterSet):
         )
 
 
+@register_filterset
 class VLANGroupFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
     scope_type = ContentTypeFilter()
     region = django_filters.NumberFilter(
@@ -936,6 +949,7 @@ class VLANGroupFilterSet(OrganizationalModelFilterSet, TenancyFilterSet):
         )
 
 
+@register_filterset
 class VLANFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     region_id = TreeNodeMultipleChoiceFilter(
         queryset=Region.objects.all(),
@@ -1087,6 +1101,7 @@ class VLANFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
         ).distinct()
 
 
+@register_filterset
 class VLANTranslationPolicyFilterSet(PrimaryModelFilterSet):
 
     class Meta:
@@ -1103,6 +1118,7 @@ class VLANTranslationPolicyFilterSet(PrimaryModelFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class VLANTranslationRuleFilterSet(NetBoxModelFilterSet):
     policy_id = django_filters.ModelMultipleChoiceFilter(
         queryset=VLANTranslationPolicy.objects.all(),
@@ -1134,6 +1150,7 @@ class VLANTranslationRuleFilterSet(NetBoxModelFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class ServiceTemplateFilterSet(PrimaryModelFilterSet):
     port = NumericArrayFilter(
         field_name='ports',
@@ -1154,6 +1171,7 @@ class ServiceTemplateFilterSet(PrimaryModelFilterSet):
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class ServiceFilterSet(ContactModelFilterSet, PrimaryModelFilterSet):
     parent_object_type = ContentTypeFilter()
     device = MultiValueCharFilter(

netbox/netbox/filtersets.py

@@ -152,6 +152,7 @@ class BaseFilterSet(django_filters.FilterSet):
 
         elif isinstance(existing_filter, (
             django_filters.filters.CharFilter,
+            django_filters.ChoiceFilter,
             django_filters.MultipleChoiceFilter,
             filters.MultiValueCharFilter,
             filters.MultiValueMACAddressFilter

netbox/netbox/forms/filtersets.py

@@ -4,7 +4,8 @@ from django.utils.translation import gettext_lazy as _
 
 from extras.choices import *
 from users.models import Owner
-from utilities.forms.fields import DynamicModelChoiceField
+from utilities.forms.fields import DynamicModelChoiceField, QueryField
+from utilities.forms.mixins import FilterModifierMixin
 from .mixins import CustomFieldsMixin, SavedFiltersMixin
 
 __all__ = (
@@ -15,7 +16,7 @@ __all__ = (
 )
 
 
-class NetBoxModelFilterSetForm(CustomFieldsMixin, SavedFiltersMixin, forms.Form):
+class NetBoxModelFilterSetForm(FilterModifierMixin, CustomFieldsMixin, SavedFiltersMixin, forms.Form):
     """
     Base form for FilerSet forms. These are used to filter object lists in the NetBox UI. Note that the
     corresponding FilterSet *must* provide a `q` filter.
@@ -27,7 +28,7 @@ class NetBoxModelFilterSetForm(CustomFieldsMixin, SavedFiltersMixin, forms.Form)
         selector_fields: An iterable of names of fields to display by default when rendering the form as
             a selector widget
     """
-    q = forms.CharField(
+    q = QueryField(
         required=False,
         label=_('Search')
     )

netbox/netbox/plugins/registration.py

@@ -7,6 +7,7 @@ from .navigation import PluginMenu, PluginMenuButton, PluginMenuItem
 from .templates import PluginTemplateExtension
 
 __all__ = (
+    'register_filterset',
     'register_graphql_schema',
     'register_menu',
     'register_menu_items',
@@ -44,6 +45,18 @@ def register_template_extensions(class_list):
             registry['plugins']['template_extensions'][model].append(template_extension)
 
 
+def register_filterset(filterset_class):
+    """
+    Decorator for registering a FilterSet with the application registry.
+
+    Uses model identifier as key to match search index pattern.
+    """
+    model = filterset_class._meta.model
+    label = f'{model._meta.app_label}.{model._meta.model_name}'
+    registry['filtersets'][label] = filterset_class
+    return filterset_class
+
+
 def register_menu(menu):
     if not isinstance(menu, PluginMenu):
         raise TypeError(_("{item} must be an instance of netbox.plugins.PluginMenuItem").format(item=menu))

netbox/netbox/registry.py

@@ -26,6 +26,7 @@ registry = Registry({
     'data_backends': dict(),
     'denormalized_fields': collections.defaultdict(list),
     'event_types': dict(),
+    'filtersets': dict(),
     'model_features': dict(),
     'models': collections.defaultdict(set),
     'plugins': dict(),

netbox/project-static/src/forms/filterModifiers.ts

@@ -0,0 +1,179 @@
+import { getElements } from '../util';
+
+// Modifier codes for empty/null checking
+// These map to Django's 'empty' lookup: field__empty=true/false
+const MODIFIER_EMPTY_TRUE = 'empty_true';
+const MODIFIER_EMPTY_FALSE = 'empty_false';
+
+/**
+ * Initialize filter modifier functionality.
+ *
+ * Handles transformation of field names based on modifier selection
+ * at form submission time using the FormData API.
+ */
+export function initFilterModifiers(): void {
+  for (const form of getElements<HTMLFormElement>('form')) {
+    const modifierSelects = form.querySelectorAll<HTMLSelectElement>('.modifier-select');
+    if (modifierSelects.length === 0) continue;
+
+    initializeFromURL(form);
+
+    modifierSelects.forEach(select => {
+      select.addEventListener('change', () => handleModifierChange(select));
+      handleModifierChange(select);
+    });
+
+    // Must use submit event for GET forms
+    form.addEventListener('submit', e => {
+      e.preventDefault();
+
+      const formData = new FormData(form);
+      handleFormDataTransform(form, formData);
+
+      const params = new URLSearchParams();
+      for (const [key, value] of formData.entries()) {
+        if (value && String(value).trim()) {
+          params.append(key, String(value));
+        }
+      }
+
+      // Use getAttribute to avoid collision with form fields named 'action'
+      const actionUrl = form.getAttribute('action') || form.action;
+      window.location.href = `${actionUrl}?${params.toString()}`;
+    });
+  }
+}
+
+/**
+ * Handle modifier dropdown changes - disable/enable value input for empty lookups.
+ */
+function handleModifierChange(modifierSelect: HTMLSelectElement): void {
+  const group = modifierSelect.closest('.filter-modifier-group');
+  if (!group) return;
+
+  const wrapper = group.querySelector('.filter-value-container');
+  if (!wrapper) return;
+
+  const valueInput = wrapper.querySelector<
+    HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement
+  >('input, select, textarea');
+
+  if (!valueInput) return;
+
+  const modifier = modifierSelect.value;
+
+  if (modifier === MODIFIER_EMPTY_TRUE || modifier === MODIFIER_EMPTY_FALSE) {
+    valueInput.disabled = true;
+    valueInput.value = '';
+    const placeholder = modifierSelect.dataset.emptyPlaceholder || '(automatically set)';
+    valueInput.setAttribute('placeholder', placeholder);
+  } else {
+    valueInput.disabled = false;
+    valueInput.removeAttribute('placeholder');
+  }
+}
+
+/**
+ * Transform field names in FormData based on modifier selection.
+ */
+function handleFormDataTransform(form: HTMLFormElement, formData: FormData): void {
+  const modifierGroups = form.querySelectorAll('.filter-modifier-group');
+
+  for (const group of modifierGroups) {
+    const modifierSelect = group.querySelector<HTMLSelectElement>('.modifier-select');
+    const wrapper = group.querySelector('.filter-value-container');
+    if (!wrapper) continue;
+
+    const valueInput = wrapper.querySelector<
+      HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement
+    >('input, select, textarea');
+
+    if (!modifierSelect || !valueInput) continue;
+
+    const currentName = valueInput.name;
+    const modifier = modifierSelect.value;
+
+    if (modifier === MODIFIER_EMPTY_TRUE || modifier === MODIFIER_EMPTY_FALSE) {
+      formData.delete(currentName);
+      const boolValue = modifier === MODIFIER_EMPTY_TRUE ? 'true' : 'false';
+      formData.set(`${currentName}__empty`, boolValue);
+    } else {
+      const values = formData.getAll(currentName);
+
+      if (values.length > 0 && values.some(v => String(v).trim())) {
+        formData.delete(currentName);
+        const newName = modifier === 'exact' ? currentName : `${currentName}__${modifier}`;
+
+        for (const value of values) {
+          if (String(value).trim()) {
+            formData.append(newName, value);
+          }
+        }
+      } else {
+        formData.delete(currentName);
+      }
+    }
+  }
+}
+
+/**
+ * Initialize form state from URL parameters.
+ * Restores modifier selection and values from query string.
+ *
+ * Process:
+ * 1. Parse URL parameters
+ * 2. For each modifier group, check which lookup variant exists in URL
+ * 3. Set modifier dropdown to match
+ * 4. Populate value field with parameter value
+ */
+function initializeFromURL(form: HTMLFormElement): void {
+  const urlParams = new URLSearchParams(window.location.search);
+
+  const modifierGroups = form.querySelectorAll('.filter-modifier-group');
+
+  for (const group of modifierGroups) {
+    const modifierSelect = group.querySelector<HTMLSelectElement>('.modifier-select');
+    const wrapper = group.querySelector('.filter-value-container');
+    if (!wrapper) continue;
+
+    const valueInput = wrapper.querySelector<
+      HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement
+    >('input, select, textarea');
+
+    if (!modifierSelect || !valueInput) continue;
+
+    const baseFieldName = valueInput.name;
+
+    // Special handling for empty - check if field__empty exists in URL
+    const emptyParam = `${baseFieldName}__empty`;
+    if (urlParams.has(emptyParam)) {
+      const emptyValue = urlParams.get(emptyParam);
+      const modifier = emptyValue === 'true' ? MODIFIER_EMPTY_TRUE : MODIFIER_EMPTY_FALSE;
+      modifierSelect.value = modifier;
+      continue; // Don't set value input for empty
+    }
+
+    for (const option of modifierSelect.options) {
+      const lookup = option.value;
+
+      // Skip empty_true/false as they're handled above
+      if (lookup === MODIFIER_EMPTY_TRUE || lookup === MODIFIER_EMPTY_FALSE) continue;
+
+      const paramName = lookup === 'exact' ? baseFieldName : `${baseFieldName}__${lookup}`;
+
+      if (urlParams.has(paramName)) {
+        modifierSelect.value = lookup;
+
+        if (valueInput instanceof HTMLSelectElement && valueInput.multiple) {
+          const values = urlParams.getAll(paramName);
+          for (const option of valueInput.options) {
+            option.selected = values.includes(option.value);
+          }
+        } else {
+          valueInput.value = urlParams.get(paramName) || '';
+        }
+        break;
+      }
+    }
+  }
+}

netbox/project-static/src/forms/index.ts

@@ -1,8 +1,9 @@
 import { initFormElements } from './elements';
+import { initFilterModifiers } from './filterModifiers';
 import { initSpeedSelector } from './speedSelector';
 
 export function initForms(): void {
-  for (const func of [initFormElements, initSpeedSelector]) {
+  for (const func of [initFormElements, initSpeedSelector, initFilterModifiers]) {
     func();
   }
 }

netbox/project-static/styles/transitional/_forms.scss

@@ -32,3 +32,11 @@ form.object-edit {
     border: 1px solid $red;
   }
 }
+
+// Filter modifier dropdown sizing
+.modifier-select {
+  min-width: 10rem;
+  max-width: 15rem;
+  width: auto;
+  white-space: nowrap;
+}

netbox/tenancy/filtersets.py

@@ -5,6 +5,7 @@ from django.utils.translation import gettext as _
 from netbox.filtersets import (
     NestedGroupModelFilterSet, NetBoxModelFilterSet, OrganizationalModelFilterSet, PrimaryModelFilterSet,
 )
+from netbox.plugins.registration import register_filterset
 from utilities.filters import ContentTypeFilter, TreeNodeMultipleChoiceFilter
 from .models import *
 
@@ -24,6 +25,7 @@ __all__ = (
 # Contacts
 #
 
+@register_filterset
 class ContactGroupFilterSet(NestedGroupModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=ContactGroup.objects.all(),
@@ -59,6 +61,7 @@ class ContactGroupFilterSet(NestedGroupModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class ContactRoleFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -66,6 +69,7 @@ class ContactRoleFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class ContactFilterSet(PrimaryModelFilterSet):
     group_id = TreeNodeMultipleChoiceFilter(
         queryset=ContactGroup.objects.all(),
@@ -100,6 +104,7 @@ class ContactFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class ContactAssignmentFilterSet(NetBoxModelFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -170,6 +175,7 @@ class ContactModelFilterSet(django_filters.FilterSet):
 # Tenancy
 #
 
+@register_filterset
 class TenantGroupFilterSet(NestedGroupModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=TenantGroup.objects.all(),
@@ -200,6 +206,7 @@ class TenantGroupFilterSet(NestedGroupModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class TenantFilterSet(PrimaryModelFilterSet, ContactModelFilterSet):
     group_id = TreeNodeMultipleChoiceFilter(
         queryset=TenantGroup.objects.all(),

netbox/users/filtersets.py

@@ -6,6 +6,7 @@ from django.utils.translation import gettext as _
 from core.models import ObjectType
 from extras.models import NotificationGroup
 from netbox.filtersets import BaseFilterSet
+from netbox.plugins.registration import register_filterset
 from users.models import Group, ObjectPermission, Owner, OwnerGroup, Token, User
 from utilities.filters import ContentTypeFilter
 
@@ -19,6 +20,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class GroupFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -64,6 +66,7 @@ class GroupFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class UserFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -120,6 +123,7 @@ class UserFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class TokenFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -181,6 +185,7 @@ class TokenFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class ObjectPermissionFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -248,6 +253,7 @@ class ObjectPermissionFilterSet(BaseFilterSet):
             return queryset.exclude(actions__contains=[action])
 
 
+@register_filterset
 class OwnerGroupFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',
@@ -267,6 +273,7 @@ class OwnerGroupFilterSet(BaseFilterSet):
         )
 
 
+@register_filterset
 class OwnerFilterSet(BaseFilterSet):
     q = django_filters.CharFilter(
         method='search',

netbox/utilities/forms/fields/fields.py

@@ -17,11 +17,20 @@ __all__ = (
     'JSONField',
     'LaxURLField',
     'MACAddressField',
+    'QueryField',
     'SlugField',
     'TagFilterField',
 )
 
 
+class QueryField(forms.CharField):
+    """
+    A CharField subclass used for global search/query fields in filter forms.
+    This field type signals to FilterModifierMixin to skip enhancement with lookup modifiers.
+    """
+    pass
+
+
 class CommentField(forms.CharField):
     """
     A textarea with support for Markdown rendering. Exists mostly just to add a standard `help_text`.

netbox/utilities/forms/forms.py

@@ -4,7 +4,8 @@ from django import forms
 from django.utils.translation import gettext as _
 
 from netbox.models.features import ChangeLoggingMixin
-from utilities.forms.mixins import BackgroundJobMixin
+from utilities.forms.fields import QueryField
+from utilities.forms.mixins import BackgroundJobMixin, FilterModifierMixin
 
 __all__ = (
     'BulkDeleteForm',
@@ -140,11 +141,11 @@ class CSVModelForm(forms.ModelForm):
         return super().clean()
 
 
-class FilterForm(forms.Form):
+class FilterForm(FilterModifierMixin, forms.Form):
     """
     Base Form class for FilterSet forms.
     """
-    q = forms.CharField(
+    q = QueryField(
         required=False,
         label=_('Search')
     )

netbox/utilities/forms/mixins.py

@@ -5,13 +5,100 @@ from django import forms
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.utils.translation import gettext_lazy as _
 
+from netbox.registry import registry
+from utilities.forms.fields import ColorField, QueryField, TagFilterField
+from utilities.forms.widgets import FilterModifierWidget
+from utilities.forms.widgets.modifiers import MODIFIER_EMPTY_FALSE, MODIFIER_EMPTY_TRUE
+
 __all__ = (
     'BackgroundJobMixin',
     'CheckLastUpdatedMixin',
     'DistanceValidationMixin',
+    'FilterModifierMixin',
+    'FORM_FIELD_LOOKUPS',
 )
 
 
+# Mapping of form field types to their supported lookups
+FORM_FIELD_LOOKUPS = {
+    QueryField: [],
+    forms.BooleanField: [],
+    forms.NullBooleanField: [],
+    forms.CharField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        ('ic', _('contains')),
+        ('isw', _('starts with')),
+        ('iew', _('ends with')),
+        ('ie', _('equals (case-insensitive)')),
+        ('regex', _('matches pattern')),
+        ('iregex', _('matches pattern (case-insensitive)')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.IntegerField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        ('gt', _('greater than')),
+        ('gte', _('at least')),
+        ('lt', _('less than')),
+        ('lte', _('at most')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.DecimalField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        ('gt', _('greater than')),
+        ('gte', _('at least')),
+        ('lt', _('less than')),
+        ('lte', _('at most')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.DateField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        ('gt', _('after')),
+        ('gte', _('on or after')),
+        ('lt', _('before')),
+        ('lte', _('on or before')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.ModelChoiceField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    ColorField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    TagFilterField: [
+        ('exact', _('has these tags')),
+        ('n', _('does not have these tags')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.ChoiceField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+    forms.MultipleChoiceField: [
+        ('exact', _('is')),
+        ('n', _('is not')),
+        (MODIFIER_EMPTY_TRUE, _('is empty')),
+        (MODIFIER_EMPTY_FALSE, _('is not empty')),
+    ],
+}
+
+
 class BackgroundJobMixin(forms.Form):
     background_job = forms.BooleanField(
         label=_('Background job'),
@@ -75,3 +162,68 @@ class DistanceValidationMixin(forms.Form):
             MaxValueValidator(Decimal(100000)),
         ]
     )
+
+
+class FilterModifierMixin:
+    """
+    Mixin that enhances filter form fields with lookup modifier dropdowns.
+
+    Automatically detects fields that could benefit from multiple lookup options
+    and wraps their widgets with FilterModifierWidget.
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._enhance_fields_with_modifiers()
+
+    def _enhance_fields_with_modifiers(self):
+        """Wrap compatible field widgets with FilterModifierWidget."""
+
+        model = getattr(self, 'model', None)
+        if model is None and hasattr(self, '_meta'):
+            model = getattr(self._meta, 'model', None)
+
+        filterset_class = None
+        if model:
+            key = f'{model._meta.app_label}.{model._meta.model_name}'
+            filterset_class = registry['filtersets'].get(key)
+
+        filterset = filterset_class() if filterset_class else None
+
+        for field_name, field in self.fields.items():
+            lookups = self._get_lookup_choices(field)
+
+            if filterset:
+                lookups = self._verify_lookups_with_filterset(field_name, lookups, filterset)
+
+                if len(lookups) > 1:
+                    field.widget = FilterModifierWidget(
+                        widget=field.widget,
+                        lookups=lookups
+                    )
+
+    def _get_lookup_choices(self, field):
+        """Determine the available lookup choices for a given field.
+
+        Returns an empty list for fields that should not be enhanced.
+        """
+        for field_class in field.__class__.__mro__:
+            if field_lookups := FORM_FIELD_LOOKUPS.get(field_class):
+                return field_lookups
+
+        return []
+
+    def _verify_lookups_with_filterset(self, field_name, lookups, filterset):
+        """Verify which lookups are actually supported by the FilterSet."""
+        verified_lookups = []
+
+        for lookup_code, lookup_label in lookups:
+            if lookup_code in (MODIFIER_EMPTY_TRUE, MODIFIER_EMPTY_FALSE):
+                filter_key = f'{field_name}__empty'
+            else:
+                filter_key = f'{field_name}__{lookup_code}' if lookup_code != 'exact' else field_name
+
+            if filter_key in filterset.filters:
+                verified_lookups.append((lookup_code, lookup_label))
+
+        return verified_lookups

netbox/utilities/forms/widgets/__init__.py

@@ -1,4 +1,5 @@
 from .apiselect import *
 from .datetime import *
 from .misc import *
+from .modifiers import *
 from .select import *

netbox/utilities/forms/widgets/modifiers.py

@@ -0,0 +1,113 @@
+from django import forms
+from django.utils.translation import gettext_lazy as _
+
+__all__ = (
+    'FilterModifierWidget',
+    'MODIFIER_EMPTY_FALSE',
+    'MODIFIER_EMPTY_TRUE',
+)
+
+# Modifier codes for empty/null checking
+# These map to Django's 'empty' lookup: field__empty=true/false
+MODIFIER_EMPTY_TRUE = 'empty_true'
+MODIFIER_EMPTY_FALSE = 'empty_false'
+
+
+class FilterModifierWidget(forms.Widget):
+    """
+    Wraps an existing widget to add a modifier dropdown for filter lookups.
+
+    The original widget's semantics (name, id, attributes) are preserved.
+    The modifier dropdown controls which lookup type is used (exact, contains, etc.).
+    """
+    template_name = 'widgets/filter_modifier.html'
+
+    def __init__(self, widget, lookups, attrs=None):
+        """
+        Args:
+            widget: The widget being wrapped (e.g., TextInput, NumberInput)
+            lookups: List of (lookup_code, label) tuples (e.g., [('exact', 'Is'), ('ic', 'Contains')])
+            attrs: Additional widget attributes
+        """
+        self.original_widget = widget
+        self.lookups = lookups
+        super().__init__(attrs or getattr(widget, 'attrs', {}))
+
+    def value_from_datadict(self, data, files, name):
+        """
+        Extract value from data, checking all possible lookup variants.
+
+        When form redisplays after validation error, the data may contain
+        serial__ic=test but the field is named serial. This method searches
+        all lookup variants to find the value.
+
+        Returns:
+            Just the value string for form validation. The modifier is reconstructed
+            during rendering from the query parameter names.
+        """
+        # Special handling for empty - check if field__empty exists
+        empty_param = f"{name}__empty"
+        if empty_param in data:
+            # Return the boolean value for empty lookup
+            return data.get(empty_param)
+
+        # Try exact field name first
+        value = self.original_widget.value_from_datadict(data, files, name)
+
+        # If not found, check all modifier variants
+        # Note: SelectMultiple returns [] (empty list) when not found, not None
+        if value is None or (isinstance(value, list) and len(value) == 0):
+            for lookup, _ in self.lookups:
+                if lookup == 'exact':
+                    continue  # Already checked above
+                # Skip empty_true/false variants - they're handled above
+                if lookup in (MODIFIER_EMPTY_TRUE, MODIFIER_EMPTY_FALSE):
+                    continue
+                lookup_name = f"{name}__{lookup}"
+                test_value = self.original_widget.value_from_datadict(data, files, lookup_name)
+                if test_value is not None:
+                    value = test_value
+                    break
+
+        # Return None if no value found (prevents field appearing in changed_data)
+        # Handle all widget empty value representations
+        if value is None:
+            return None
+        if isinstance(value, str) and not value.strip():
+            return None
+        if isinstance(value, (list, tuple)) and len(value) == 0:
+            return None
+
+        # Return just the value for form validation
+        return value
+
+    def get_context(self, name, value, attrs):
+        """
+        Build context for template rendering.
+
+        Includes both the original widget's context and our modifier-specific data.
+        Note: value is now just a simple value (string/int/etc), not a dict.
+        The JavaScript initializeFromURL() will set the correct modifier dropdown
+        value based on URL parameters.
+        """
+        # Propagate any attrs set on the wrapper (like data-url from get_bound_field)
+        # to the original widget before rendering
+        self.original_widget.attrs.update(self.attrs)
+
+        # Get context from the original widget
+        original_context = self.original_widget.get_context(name, value, attrs)
+
+        # Build our wrapper context
+        context = super().get_context(name, value, attrs)
+        context['widget']['original_widget'] = original_context['widget']
+        context['widget']['lookups'] = self.lookups
+        context['widget']['field_name'] = name
+
+        # Default to 'exact' - JavaScript will update based on URL params
+        context['widget']['current_modifier'] = 'exact'
+        context['widget']['current_value'] = value or ''
+
+        # Translatable placeholder for empty lookups
+        context['widget']['empty_placeholder'] = _('(automatically set)')
+
+        return context

netbox/utilities/templates/widgets/filter_modifier.html

@@ -0,0 +1,18 @@
+<div class="d-flex filter-modifier-group">
+  {% if widget.lookups %}
+    {# Modifier dropdown - NO name attribute, just a UI control #}
+    <select class="form-select modifier-select"
+            data-field="{{ widget.field_name }}"
+            data-empty-placeholder="{{ widget.empty_placeholder }}"
+            aria-label="Modifier">
+      {% for lookup, label in widget.lookups %}
+        <option value="{{ lookup }}"{% if widget.current_modifier == lookup %} selected{% endif %}>{{ label }}</option>
+      {% endfor %}
+    </select>
+  {% endif %}
+
+  {# Original widget - rendered exactly as it would be without our wrapper #}
+  <div class="ms-2 flex-grow-1 filter-value-container">
+    {% include widget.original_widget.template_name with widget=widget.original_widget %}
+  </div>
+</div>

netbox/utilities/templatetags/helpers.py

@@ -5,9 +5,11 @@ from urllib.parse import quote
 from django import template
 from django.urls import NoReverseMatch, reverse
 from django.utils.html import conditional_escape
+from django.utils.translation import gettext_lazy as _
 
 from core.models import ObjectType
 from utilities.forms import get_selected_values, TableConfigForm
+from utilities.forms.mixins import FORM_FIELD_LOOKUPS
 from utilities.views import get_viewname, get_action_url
 from netbox.settings import DISK_BASE_UNIT, RAM_BASE_UNIT
 
@@ -418,7 +420,20 @@ def applied_filters(context, model, form, query_params):
             continue
 
         querydict = query_params.copy()
-        if filter_name not in querydict:
+
+        # Check if this is a modifier-enhanced field
+        # Field may be in querydict as field__lookup instead of field
+        param_name = None
+        if filter_name in querydict:
+            param_name = filter_name
+        else:
+            # Check for modifier variants (field__ic, field__isw, etc.)
+            for key in querydict.keys():
+                if key.startswith(f'{filter_name}__'):
+                    param_name = key
+                    break
+
+        if param_name is None:
             continue
 
         # Skip saved filters, as they're displayed alongside the quick search widget
@@ -426,14 +441,46 @@ def applied_filters(context, model, form, query_params):
             continue
 
         bound_field = form.fields[filter_name].get_bound_field(form, filter_name)
-        querydict.pop(filter_name)
+        querydict.pop(param_name)
+
+        # Extract modifier from parameter name (e.g., "serial__ic" → "ic")
+        if '__' in param_name:
+            modifier = param_name.split('__', 1)[1]
+        else:
+            modifier = 'exact'
+
+        # Get display value
         display_value = ', '.join([str(v) for v in get_selected_values(form, filter_name)])
 
+        # Get the correct lookup label for this field's type
+        lookup_label = None
+        if modifier != 'exact':
+            field = form.fields[filter_name]
+            for field_class in field.__class__.__mro__:
+                if field_lookups := FORM_FIELD_LOOKUPS.get(field_class):
+                    for lookup_code, label in field_lookups:
+                        if lookup_code == modifier:
+                            lookup_label = label
+                            break
+                    if lookup_label:
+                        break
+
+        # Special handling for empty lookup (boolean value)
+        if modifier == 'empty':
+            if display_value.lower() in ('true', '1'):
+                link_text = f'{bound_field.label} {_("is empty")}'
+            else:
+                link_text = f'{bound_field.label} {_("is not empty")}'
+        elif lookup_label:
+            link_text = f'{bound_field.label} {lookup_label}: {display_value}'
+        else:
+            link_text = f'{bound_field.label}: {display_value}'
+
         applied_filters.append({
-            'name': filter_name,
+            'name': param_name,  # Use actual param name for removal link
-            'value': form.cleaned_data[filter_name],
+            'value': form.cleaned_data.get(filter_name),
             'link_url': f'?{querydict.urlencode()}',
-            'link_text': f'{bound_field.label}: {display_value}',
+            'link_text': link_text,
         })
 
     save_link = None

netbox/utilities/tests/test_filter_modifiers.py

@@ -0,0 +1,293 @@
+from django import forms
+from django.db import models
+from django.http import QueryDict
+from django.template import Context
+from django.test import RequestFactory, TestCase
+
+import dcim.filtersets  # noqa: F401 - Import to register Device filterset
+from dcim.forms.filtersets import DeviceFilterForm
+from dcim.models import Device
+from netbox.filtersets import BaseFilterSet
+from netbox.plugins.registration import register_filterset
+from users.models import User
+from utilities.forms.fields import TagFilterField
+from utilities.forms.mixins import FilterModifierMixin
+from utilities.forms.widgets import FilterModifierWidget
+from utilities.templatetags.helpers import applied_filters
+
+
+# Test model for FilterModifierMixin tests
+class TestModel(models.Model):
+    """Dummy model for testing filter modifiers."""
+    char_field = models.CharField(max_length=100, blank=True)
+    integer_field = models.IntegerField(null=True, blank=True)
+    decimal_field = models.DecimalField(max_digits=5, decimal_places=2, null=True, blank=True)
+    date_field = models.DateField(null=True, blank=True)
+    boolean_field = models.BooleanField(default=False)
+
+    class Meta:
+        app_label = 'utilities'
+        managed = False  # Don't create actual database table
+
+
+# Test filterset using BaseFilterSet to automatically generate lookups
+@register_filterset
+class TestFilterSet(BaseFilterSet):
+    class Meta:
+        model = TestModel
+        fields = ['char_field', 'integer_field', 'decimal_field', 'date_field', 'boolean_field']
+
+
+class FilterModifierWidgetTest(TestCase):
+    """Tests for FilterModifierWidget value extraction and rendering."""
+
+    def test_value_from_datadict_finds_value_in_lookup_variant(self):
+        """
+        Widget should find value from serial__ic when field is named serial.
+        This is critical for form redisplay after validation errors.
+        """
+        widget = FilterModifierWidget(
+            widget=forms.TextInput(),
+            lookups=[('exact', 'Is'), ('ic', 'Contains'), ('isw', 'Starts With')]
+        )
+        data = QueryDict('serial__ic=test123')
+
+        result = widget.value_from_datadict(data, {}, 'serial')
+
+        self.assertEqual(result, 'test123')
+
+    def test_value_from_datadict_handles_exact_match(self):
+        """Widget should detect exact match when field name has no modifier."""
+        widget = FilterModifierWidget(
+            widget=forms.TextInput(),
+            lookups=[('exact', 'Is'), ('ic', 'Contains')]
+        )
+        data = QueryDict('serial=test456')
+
+        result = widget.value_from_datadict(data, {}, 'serial')
+
+        self.assertEqual(result, 'test456')
+
+    def test_value_from_datadict_returns_none_when_no_value(self):
+        """Widget should return None when no data present to avoid appearing in changed_data."""
+        widget = FilterModifierWidget(
+            widget=forms.TextInput(),
+            lookups=[('exact', 'Is'), ('ic', 'Contains')]
+        )
+        data = QueryDict('')
+
+        result = widget.value_from_datadict(data, {}, 'serial')
+
+        self.assertIsNone(result)
+
+    def test_get_context_includes_original_widget_and_lookups(self):
+        """Widget context should include original widget context and lookup choices."""
+        widget = FilterModifierWidget(
+            widget=forms.TextInput(),
+            lookups=[('exact', 'Is'), ('ic', 'Contains'), ('isw', 'Starts With')]
+        )
+        value = 'test'
+
+        context = widget.get_context('serial', value, {})
+
+        self.assertIn('original_widget', context['widget'])
+        self.assertEqual(
+            context['widget']['lookups'],
+            [('exact', 'Is'), ('ic', 'Contains'), ('isw', 'Starts With')]
+        )
+        self.assertEqual(context['widget']['field_name'], 'serial')
+        self.assertEqual(context['widget']['current_modifier'], 'exact')  # Defaults to exact, JS updates from URL
+        self.assertEqual(context['widget']['current_value'], 'test')
+
+    def test_widget_renders_modifier_dropdown_and_input(self):
+        """Widget should render modifier dropdown alongside original input."""
+        widget = FilterModifierWidget(
+            widget=forms.TextInput(),
+            lookups=[('exact', 'Is'), ('ic', 'Contains')]
+        )
+
+        html = widget.render('serial', 'test', {})
+
+        # Should contain modifier dropdown
+        self.assertIn('class="form-select modifier-select"', html)
+        self.assertIn('data-field="serial"', html)
+        self.assertIn('<option value="exact" selected>Is</option>', html)
+        self.assertIn('<option value="ic">Contains</option>', html)
+
+        # Should contain original input
+        self.assertIn('type="text"', html)
+        self.assertIn('name="serial"', html)
+        self.assertIn('value="test"', html)
+
+
+class FilterModifierMixinTest(TestCase):
+    """Tests for FilterModifierMixin form field enhancement."""
+
+    def test_mixin_enhances_char_field_with_modifiers(self):
+        """CharField should be enhanced with contains/starts/ends modifiers."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            char_field = forms.CharField(required=False)
+            model = TestModel
+
+        form = TestForm()
+
+        self.assertIsInstance(form.fields['char_field'].widget, FilterModifierWidget)
+        lookup_codes = [lookup[0] for lookup in form.fields['char_field'].widget.lookups]
+        expected_lookups = ['exact', 'n', 'ic', 'isw', 'iew', 'ie', 'regex', 'iregex', 'empty_true', 'empty_false']
+        self.assertEqual(lookup_codes, expected_lookups)
+
+    def test_mixin_skips_boolean_fields(self):
+        """Boolean fields should not be enhanced."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            boolean_field = forms.BooleanField(required=False)
+            model = TestModel
+
+        form = TestForm()
+
+        self.assertNotIsInstance(form.fields['boolean_field'].widget, FilterModifierWidget)
+
+    def test_mixin_enhances_tag_filter_field(self):
+        """TagFilterField should be enhanced even though it's a MultipleChoiceField."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            tag = TagFilterField(Device)
+            model = Device
+
+        form = TestForm()
+
+        self.assertIsInstance(form.fields['tag'].widget, FilterModifierWidget)
+        tag_lookups = [lookup[0] for lookup in form.fields['tag'].widget.lookups]
+        # Device filterset has tag and tag__n but not tag__empty
+        expected_lookups = ['exact', 'n']
+        self.assertEqual(tag_lookups, expected_lookups)
+
+    def test_mixin_enhances_integer_field(self):
+        """IntegerField should be enhanced with comparison modifiers."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            integer_field = forms.IntegerField(required=False)
+            model = TestModel
+
+        form = TestForm()
+
+        self.assertIsInstance(form.fields['integer_field'].widget, FilterModifierWidget)
+        lookup_codes = [lookup[0] for lookup in form.fields['integer_field'].widget.lookups]
+        expected_lookups = ['exact', 'n', 'gt', 'gte', 'lt', 'lte', 'empty_true', 'empty_false']
+        self.assertEqual(lookup_codes, expected_lookups)
+
+    def test_mixin_enhances_decimal_field(self):
+        """DecimalField should be enhanced with comparison modifiers."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            decimal_field = forms.DecimalField(required=False)
+            model = TestModel
+
+        form = TestForm()
+
+        self.assertIsInstance(form.fields['decimal_field'].widget, FilterModifierWidget)
+        lookup_codes = [lookup[0] for lookup in form.fields['decimal_field'].widget.lookups]
+        expected_lookups = ['exact', 'n', 'gt', 'gte', 'lt', 'lte', 'empty_true', 'empty_false']
+        self.assertEqual(lookup_codes, expected_lookups)
+
+    def test_mixin_enhances_date_field(self):
+        """DateField should be enhanced with date-appropriate modifiers."""
+        class TestForm(FilterModifierMixin, forms.Form):
+            date_field = forms.DateField(required=False)
+            model = TestModel
+
+        form = TestForm()
+
+        self.assertIsInstance(form.fields['date_field'].widget, FilterModifierWidget)
+        lookup_codes = [lookup[0] for lookup in form.fields['date_field'].widget.lookups]
+        expected_lookups = ['exact', 'n', 'gt', 'gte', 'lt', 'lte', 'empty_true', 'empty_false']
+        self.assertEqual(lookup_codes, expected_lookups)
+
+
+class ExtendedLookupFilterPillsTest(TestCase):
+    """Tests for filter pill rendering of extended lookups."""
+
+    @classmethod
+    def setUpTestData(cls):
+        cls.user = User.objects.create(username='test_user')
+
+    def test_negation_lookup_filter_pill(self):
+        """Filter pill should show 'is not' for negation lookup."""
+        query_params = QueryDict('serial__n=ABC123')
+        form = DeviceFilterForm(query_params)
+
+        request = RequestFactory().get('/', query_params)
+        request.user = self.user
+        context = Context({'request': request})
+        result = applied_filters(context, Device, form, query_params)
+
+        self.assertGreater(len(result['applied_filters']), 0)
+        filter_pill = result['applied_filters'][0]
+        self.assertIn('is not', filter_pill['link_text'].lower())
+        self.assertIn('ABC123', filter_pill['link_text'])
+
+    def test_regex_lookup_filter_pill(self):
+        """Filter pill should show 'matches pattern' for regex lookup."""
+        query_params = QueryDict('serial__regex=^ABC.*')
+        form = DeviceFilterForm(query_params)
+
+        request = RequestFactory().get('/', query_params)
+        request.user = self.user
+        context = Context({'request': request})
+        result = applied_filters(context, Device, form, query_params)
+
+        self.assertGreater(len(result['applied_filters']), 0)
+        filter_pill = result['applied_filters'][0]
+        self.assertIn('matches pattern', filter_pill['link_text'].lower())
+
+    def test_exact_lookup_filter_pill(self):
+        """Filter pill should show field label and value without lookup modifier for exact match."""
+        query_params = QueryDict('serial=ABC123')
+        form = DeviceFilterForm(query_params)
+
+        request = RequestFactory().get('/', query_params)
+        request.user = self.user
+        context = Context({'request': request})
+        result = applied_filters(context, Device, form, query_params)
+
+        self.assertGreater(len(result['applied_filters']), 0)
+        filter_pill = result['applied_filters'][0]
+        # Should not contain lookup modifier text
+        self.assertNotIn('is not', filter_pill['link_text'].lower())
+        self.assertNotIn('matches pattern', filter_pill['link_text'].lower())
+        self.assertNotIn('contains', filter_pill['link_text'].lower())
+        # Should contain field label and value
+        self.assertIn('Serial', filter_pill['link_text'])
+        self.assertIn('ABC123', filter_pill['link_text'])
+
+
+class EmptyLookupTest(TestCase):
+    """Tests for empty (is empty/not empty) lookup support."""
+
+    @classmethod
+    def setUpTestData(cls):
+        cls.user = User.objects.create(username='test_user')
+
+    def test_empty_true_appears_in_filter_pills(self):
+        """Filter pill should show 'Is Empty' for empty=true."""
+        query_params = QueryDict('serial__empty=true')
+        form = DeviceFilterForm(query_params)
+
+        request = RequestFactory().get('/', query_params)
+        request.user = self.user
+        context = Context({'request': request})
+        result = applied_filters(context, Device, form, query_params)
+
+        self.assertGreater(len(result['applied_filters']), 0)
+        filter_pill = result['applied_filters'][0]
+        self.assertIn('empty', filter_pill['link_text'].lower())
+
+    def test_empty_false_appears_in_filter_pills(self):
+        """Filter pill should show 'Is Not Empty' for empty=false."""
+        query_params = QueryDict('serial__empty=false')
+        form = DeviceFilterForm(query_params)
+
+        request = RequestFactory().get('/', query_params)
+        request.user = self.user
+        context = Context({'request': request})
+        result = applied_filters(context, Device, form, query_params)
+
+        self.assertGreater(len(result['applied_filters']), 0)
+        filter_pill = result['applied_filters'][0]
+        self.assertIn('not empty', filter_pill['link_text'].lower())

netbox/virtualization/filtersets.py

@@ -10,8 +10,8 @@ from extras.filtersets import LocalConfigContextFilterSet
 from extras.models import ConfigTemplate
 from ipam.filtersets import PrimaryIPFilterSet
 from netbox.filtersets import NetBoxModelFilterSet, OrganizationalModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import TenancyFilterSet, ContactModelFilterSet
-
 from users.filterset_mixins import OwnerFilterMixin
 from utilities.filters import MultiValueCharFilter, MultiValueMACAddressFilter, TreeNodeMultipleChoiceFilter
 from .choices import *
@@ -27,6 +27,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class ClusterTypeFilterSet(OrganizationalModelFilterSet):
 
     class Meta:
@@ -34,6 +35,7 @@ class ClusterTypeFilterSet(OrganizationalModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class ClusterGroupFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet):
 
     class Meta:
@@ -41,6 +43,7 @@ class ClusterGroupFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet)
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class ClusterFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ScopedFilterSet, ContactModelFilterSet):
     group_id = django_filters.ModelMultipleChoiceFilter(
         queryset=ClusterGroup.objects.all(),
@@ -81,6 +84,7 @@ class ClusterFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ScopedFilterSet,
         )
 
 
+@register_filterset
 class VirtualMachineFilterSet(
     PrimaryModelFilterSet,
     TenancyFilterSet,
@@ -241,6 +245,7 @@ class VirtualMachineFilterSet(
         return queryset.exclude(params)
 
 
+@register_filterset
 class VMInterfaceFilterSet(CommonInterfaceFilterSet, OwnerFilterMixin, NetBoxModelFilterSet):
     cluster_id = django_filters.ModelMultipleChoiceFilter(
         field_name='virtual_machine__cluster',
@@ -303,6 +308,7 @@ class VMInterfaceFilterSet(CommonInterfaceFilterSet, OwnerFilterMixin, NetBoxMod
         )
 
 
+@register_filterset
 class VirtualDiskFilterSet(OwnerFilterMixin, NetBoxModelFilterSet):
     virtual_machine_id = django_filters.ModelMultipleChoiceFilter(
         field_name='virtual_machine',

netbox/vpn/filtersets.py

@@ -6,6 +6,7 @@ from core.models import ObjectType
 from dcim.models import Device, Interface
 from ipam.models import IPAddress, RouteTarget, VLAN
 from netbox.filtersets import NetBoxModelFilterSet, OrganizationalModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import ContactModelFilterSet, TenancyFilterSet
 from utilities.filters import ContentTypeFilter, MultiValueCharFilter, MultiValueNumberFilter
 from virtualization.models import VirtualMachine, VMInterface
@@ -26,6 +27,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class TunnelGroupFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet):
 
     class Meta:
@@ -33,6 +35,7 @@ class TunnelGroupFilterSet(OrganizationalModelFilterSet, ContactModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class TunnelFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     status = django_filters.MultipleChoiceFilter(
         choices=TunnelStatusChoices
@@ -75,6 +78,7 @@ class TunnelFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilte
         )
 
 
+@register_filterset
 class TunnelTerminationFilterSet(NetBoxModelFilterSet):
     tunnel_id = django_filters.ModelMultipleChoiceFilter(
         field_name='tunnel',
@@ -124,6 +128,7 @@ class TunnelTerminationFilterSet(NetBoxModelFilterSet):
         fields = ('id', 'termination_id')
 
 
+@register_filterset
 class IKEProposalFilterSet(PrimaryModelFilterSet):
     ike_policy_id = django_filters.ModelMultipleChoiceFilter(
         field_name='ike_policies',
@@ -163,6 +168,7 @@ class IKEProposalFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class IKEPolicyFilterSet(PrimaryModelFilterSet):
     version = django_filters.MultipleChoiceFilter(
         choices=IKEVersionChoices
@@ -194,6 +200,7 @@ class IKEPolicyFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class IPSecProposalFilterSet(PrimaryModelFilterSet):
     ipsec_policy_id = django_filters.ModelMultipleChoiceFilter(
         field_name='ipsec_policies',
@@ -227,6 +234,7 @@ class IPSecProposalFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class IPSecPolicyFilterSet(PrimaryModelFilterSet):
     pfs_group = django_filters.MultipleChoiceFilter(
         choices=DHGroupChoices
@@ -255,6 +263,7 @@ class IPSecPolicyFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class IPSecProfileFilterSet(PrimaryModelFilterSet):
     mode = django_filters.MultipleChoiceFilter(
         choices=IPSecModeChoices
@@ -294,6 +303,7 @@ class IPSecProfileFilterSet(PrimaryModelFilterSet):
         )
 
 
+@register_filterset
 class L2VPNFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilterSet):
     type = django_filters.MultipleChoiceFilter(
         choices=L2VPNTypeChoices,
@@ -340,6 +350,7 @@ class L2VPNFilterSet(PrimaryModelFilterSet, TenancyFilterSet, ContactModelFilter
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class L2VPNTerminationFilterSet(NetBoxModelFilterSet):
     l2vpn_id = django_filters.ModelMultipleChoiceFilter(
         queryset=L2VPN.objects.all(),

netbox/vpn/forms/filtersets.py

@@ -245,7 +245,7 @@ class L2VPNFilterForm(ContactModelFilterForm, TenancyFilterForm, PrimaryModelFil
 class L2VPNTerminationFilterForm(NetBoxModelFilterSetForm):
     model = L2VPNTermination
     fieldsets = (
-        FieldSet('filter_id', 'l2vpn_id'),
+        FieldSet('filter_id', 'tag', 'l2vpn_id'),
         FieldSet(
             'assigned_object_type_id', 'region_id', 'site_id', 'device_id', 'virtual_machine_id', 'vlan_id',
             name=_('Assigned Object')
@@ -303,3 +303,4 @@ class L2VPNTerminationFilterForm(NetBoxModelFilterSetForm):
         },
         label=_('Virtual Machine')
     )
+    tag = TagFilterField(model)

netbox/wireless/filtersets.py

@@ -6,6 +6,7 @@ from dcim.base_filtersets import ScopedFilterSet
 from dcim.models import Interface
 from ipam.models import VLAN
 from netbox.filtersets import NestedGroupModelFilterSet, PrimaryModelFilterSet
+from netbox.plugins.registration import register_filterset
 from tenancy.filtersets import TenancyFilterSet
 from utilities.filters import TreeNodeMultipleChoiceFilter
 from .choices import *
@@ -18,6 +19,7 @@ __all__ = (
 )
 
 
+@register_filterset
 class WirelessLANGroupFilterSet(NestedGroupModelFilterSet):
     parent_id = django_filters.ModelMultipleChoiceFilter(
         queryset=WirelessLANGroup.objects.all()
@@ -44,6 +46,7 @@ class WirelessLANGroupFilterSet(NestedGroupModelFilterSet):
         fields = ('id', 'name', 'slug', 'description')
 
 
+@register_filterset
 class WirelessLANFilterSet(PrimaryModelFilterSet, ScopedFilterSet, TenancyFilterSet):
     group_id = TreeNodeMultipleChoiceFilter(
         queryset=WirelessLANGroup.objects.all(),
@@ -87,6 +90,7 @@ class WirelessLANFilterSet(PrimaryModelFilterSet, ScopedFilterSet, TenancyFilter
         return queryset.filter(qs_filter)
 
 
+@register_filterset
 class WirelessLinkFilterSet(PrimaryModelFilterSet, TenancyFilterSet):
     interface_a_id = django_filters.ModelMultipleChoiceFilter(
         queryset=Interface.objects.all()