feat(stock): add exclude_from_stock option to StockLocation (#7064) (#13166)

* feat(stock): add exclude_from_stock option to StockLocation (#7064)

* feat(stock): add UI detail, table filters, API version bump, and prek formatting (#7064)

---------

Co-authored-by: UGREEN USER <jaharoni@debian.dedomain>
Co-authored-by: WholeTroutMedia <cortex@inceptionengine.systems>
Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- [#13166](https://github.com/inventree/InvenTree/pull/13166) Adds an "exclude_from_stock" attribute to the StockLocation model, allowing stock items in specified locations to be excluded from stock availability calculations.
+
 ### Changed
 
 ### Removed

src/backend/InvenTree/InvenTree/api_version.py

@@ -1,11 +1,15 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 570
+INVENTREE_API_VERSION = 571
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 INVENTREE_API_TEXT = """
 
+v571 -> 2026-11-03 : https://github.com/inventree/InvenTree/pull/13166
+    - Adds "exclude_from_stock" field and filter to the StockLocation API endpoint
+    - Adds "exclude_from_stock" filter to the StockItem API endpoint
+
 v570 -> 2026-11-03 : https://github.com/inventree/InvenTree/pull/13175
     - Token API (/api/user/tokens/): "revoked", "revoked_by", "issued_by", "token_version", "revocation_reason" and "last_seen" fields are read-only
     - Token API (/api/user/tokens/): "expiry" must be between today and 365 days in the future

src/backend/InvenTree/stock/api.py

@@ -310,7 +310,7 @@ class StockLocationFilter(FilterSet):
         """Meta class options for this filterset."""
 
         model = StockLocation
-        fields = ['name', 'structural', 'external']
+        fields = ['name', 'structural', 'external', 'exclude_from_stock']
 
     location_type = rest_filters.ModelChoiceFilter(
         queryset=StockLocationType.objects.all(), field_name='location_type'
@@ -765,6 +765,16 @@ class StockFilter(FilterSet):
             return queryset.filter(location__external=True)
         return queryset.exclude(location__external=True)
 
+    exclude_from_stock = rest_filters.BooleanFilter(
+        label=_('Exclude from Stock'), method='filter_exclude_from_stock'
+    )
+
+    def filter_exclude_from_stock(self, queryset, name, value):
+        """Filter by whether or not the stock item is located in an exclude_from_stock location."""
+        if str2bool(value):
+            return queryset.filter(location__exclude_from_stock=True)
+        return queryset.exclude(location__exclude_from_stock=True)
+
     in_stock = rest_filters.BooleanFilter(label='In Stock', method='filter_in_stock')
 
     def filter_in_stock(self, queryset, name, value):

src/backend/InvenTree/stock/migrations/0131_stocklocation_exclude_from_stock.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.17 on 2026-11-02 21:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [('stock', '0130_delete_stockitemtracking')]
+
+    operations = [
+        migrations.AddField(
+            model_name='stocklocation',
+            name='exclude_from_stock',
+            field=models.BooleanField(
+                default=False,
+                help_text='If checked, stock items in this location will not be counted in available stock',
+                verbose_name='Exclude from Stock',
+            ),
+        )
+    ]

src/backend/InvenTree/stock/models.py

@@ -213,6 +213,14 @@ class StockLocation(
         help_text=_('This is an external stock location'),
     )
 
+    exclude_from_stock = models.BooleanField(
+        default=False,
+        verbose_name=_('Exclude from Stock'),
+        help_text=_(
+            'If checked, stock items in this location will not be counted in available stock'
+        ),
+    )
+
     location_type = models.ForeignKey(
         StockLocationType,
         on_delete=models.SET_NULL,
@@ -658,7 +666,7 @@ class StockItem(
         consumed_by=None,
         is_building=False,
         status__in=StockStatusGroups.AVAILABLE_CODES,
-    )
+    ) & (Q(location=None) | Q(location__exclude_from_stock=False))
 
     @classmethod
     def get_expired_filter(cls):
@@ -2318,6 +2326,9 @@ class StockItem(
         if check_status and self.status not in StockStatusGroups.AVAILABLE_CODES:
             return False
 
+        if check_status and self.location and self.location.exclude_from_stock:
+            return False
+
         if check_quantity and self.quantity <= 0:
             return False
 

src/backend/InvenTree/stock/serializers.py

@@ -1428,6 +1428,7 @@ class LocationSerializer(
             'custom_icon',
             'structural',
             'external',
+            'exclude_from_stock',
             'location_type',
             # Optional fields
             'location_type_detail',

src/backend/InvenTree/stock/test_api.py

@@ -981,6 +981,14 @@ class StockItemListTest(StockAPITestCase):
         response = self.get_stock(external=False)
         self.assertEqual(len(response), 28)
 
+    def test_filter_exclude_from_stock(self):
+        """Filter StockItem by exclude_from_stock."""
+        response = self.get_stock(exclude_from_stock=True)
+        self.assertEqual(len(response), 0)
+
+        response = self.get_stock(exclude_from_stock=False)
+        self.assertEqual(len(response), 29)
+
     def test_filter_available(self):
         """Filter StockItem by available."""
         response = self.get_stock(available=True)

src/backend/InvenTree/stock/tests.py

@@ -1930,6 +1930,33 @@ class StockLocationTest(InvenTreeTestCase):
         loc.save()
         self.assertEqual(loc.icon, '')
 
+    def test_exclude_from_stock(self):
+        """Test that stock items in locations with exclude_from_stock=True are excluded from available stock."""
+        part = Part.objects.create(
+            name='RnD Test Part', description='Part for RnD stock test'
+        )
+        normal_loc = StockLocation.objects.create(
+            name='Warehouse A', exclude_from_stock=False
+        )
+        rnd_loc = StockLocation.objects.create(name='RnD Lab', exclude_from_stock=True)
+
+        item_normal = StockItem.objects.create(
+            part=part, location=normal_loc, quantity=10
+        )
+        item_rnd = StockItem.objects.create(part=part, location=rnd_loc, quantity=25)
+
+        self.assertTrue(item_normal.in_stock)
+        self.assertFalse(item_rnd.in_stock)
+        self.assertEqual(part.total_stock, 10)
+        self.assertEqual(part.available_stock, 10)
+
+        rnd_loc.exclude_from_stock = False
+        rnd_loc.save()
+        item_rnd.refresh_from_db()
+        self.assertTrue(item_rnd.in_stock)
+        self.assertEqual(part.total_stock, 35)
+        self.assertEqual(part.available_stock, 35)
+
 
 class AdminTest(AdminTestCase):
     """Tests for the admin interface integration."""

src/frontend/src/forms/StockForms.tsx

@@ -2195,6 +2195,7 @@ export function useStockLocationFields(): ApiFormFieldSet {
     },
     structural: {},
     external: {},
+    exclude_from_stock: {},
     custom_icon: {
       field_type: 'icon'
     },

src/frontend/src/pages/stock/StockLocationDetailsPanel.tsx

@@ -78,6 +78,11 @@ export function StockLocationDetailsPanel({
       name: 'external',
       label: t`External`
     },
+    {
+      type: 'boolean',
+      name: 'exclude_from_stock',
+      label: t`Exclude from Stock`
+    },
     {
       type: 'string',
       name: 'location_type_detail.name',

src/frontend/src/tables/stock/StockItemTable.tsx

@@ -320,6 +320,11 @@ function stockItemTableFilters({
       label: t`External Location`,
       description: t`Show items in an external location`
     },
+    {
+      name: 'exclude_from_stock',
+      label: t`Exclude from Stock`,
+      description: t`Show items in a location excluded from stock calculations`
+    },
     TagsFilter({ modelType: ModelType.stockitem })
   ];
 }

src/frontend/src/tables/stock/StockLocationTable.tsx

@@ -51,6 +51,11 @@ export function StockLocationTable({ parentId }: Readonly<{ parentId?: any }>) {
         label: t`External`,
         description: t`Show external locations`
       },
+      {
+        name: 'exclude_from_stock',
+        label: t`Exclude from Stock`,
+        description: t`Show locations excluded from stock calculations`
+      },
       {
         name: 'has_location_type',
         label: t`Has location type`
@@ -97,6 +102,10 @@ export function StockLocationTable({ parentId }: Readonly<{ parentId?: any }>) {
         accessor: 'external',
         defaultVisible: false
       }),
+      BooleanColumn({
+        accessor: 'exclude_from_stock',
+        defaultVisible: false
+      }),
       {
         accessor: 'location_type',
         sortable: false,