Replace unique_together with UniqueConstraints

netbox/dcim/models/device_component_templates.py

@@ -61,6 +61,13 @@ class ComponentTemplateModel(WebhooksMixin, ChangeLoggedModel):
 
     class Meta:
         abstract = True
+        ordering = ('device_type', '_name')
+        constraints = (
+            models.UniqueConstraint(
+                fields=('device_type', 'name'),
+                name='%(app_label)s_%(class)s_unique_device_type_name'
+            ),
+        )
 
     def __str__(self):
         if self.label:
@@ -100,6 +107,17 @@ class ModularComponentTemplateModel(ComponentTemplateModel):
 
     class Meta:
         abstract = True
+        ordering = ('device_type', 'module_type', '_name')
+        constraints = (
+            models.UniqueConstraint(
+                fields=('device_type', 'name'),
+                name='%(app_label)s_%(class)s_unique_device_type_name'
+            ),
+            models.UniqueConstraint(
+                fields=('module_type', 'name'),
+                name='%(app_label)s_%(class)s_unique_module_type_name'
+            ),
+        )
 
     def to_objectchange(self, action):
         objectchange = super().to_objectchange(action)
@@ -145,13 +163,6 @@ class ConsolePortTemplate(ModularComponentTemplateModel):
 
     component_model = ConsolePort
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def instantiate(self, **kwargs):
         return self.component_model(
             name=self.resolve_name(kwargs.get('module')),
@@ -181,13 +192,6 @@ class ConsoleServerPortTemplate(ModularComponentTemplateModel):
 
     component_model = ConsoleServerPort
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def instantiate(self, **kwargs):
         return self.component_model(
             name=self.resolve_name(kwargs.get('module')),
@@ -229,13 +233,6 @@ class PowerPortTemplate(ModularComponentTemplateModel):
 
     component_model = PowerPort
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def instantiate(self, **kwargs):
         return self.component_model(
             name=self.resolve_name(kwargs.get('module')),
@@ -291,13 +288,6 @@ class PowerOutletTemplate(ModularComponentTemplateModel):
 
     component_model = PowerOutlet
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def clean(self):
         super().clean()
 
@@ -372,13 +362,6 @@ class InterfaceTemplate(ModularComponentTemplateModel):
 
     component_model = Interface
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def instantiate(self, **kwargs):
         return self.component_model(
             name=self.resolve_name(kwargs.get('module')),
@@ -428,12 +411,20 @@ class FrontPortTemplate(ModularComponentTemplateModel):
 
     component_model = FrontPort
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-            ('rear_port', 'rear_port_position'),
+    class Meta(ModularComponentTemplateModel.Meta):
+        constraints = (
+            models.UniqueConstraint(
+                fields=('device_type', 'name'),
+                name='%(app_label)s_%(class)s_unique_device_type_name'
+            ),
+            models.UniqueConstraint(
+                fields=('module_type', 'name'),
+                name='%(app_label)s_%(class)s_unique_module_type_name'
+            ),
+            models.UniqueConstraint(
+                fields=('rear_port', 'rear_port_position'),
+                name='%(app_label)s_%(class)s_unique_rear_port_position'
+            ),
         )
 
     def clean(self):
@@ -507,13 +498,6 @@ class RearPortTemplate(ModularComponentTemplateModel):
 
     component_model = RearPort
 
-    class Meta:
-        ordering = ('device_type', 'module_type', '_name')
-        unique_together = (
-            ('device_type', 'name'),
-            ('module_type', 'name'),
-        )
-
     def instantiate(self, **kwargs):
         return self.component_model(
             name=self.resolve_name(kwargs.get('module')),
@@ -547,10 +531,6 @@ class ModuleBayTemplate(ComponentTemplateModel):
 
     component_model = ModuleBay
 
-    class Meta:
-        ordering = ('device_type', '_name')
-        unique_together = ('device_type', 'name')
-
     def instantiate(self, device):
         return self.component_model(
             device=device,
@@ -574,10 +554,6 @@ class DeviceBayTemplate(ComponentTemplateModel):
     """
     component_model = DeviceBay
 
-    class Meta:
-        ordering = ('device_type', '_name')
-        unique_together = ('device_type', 'name')
-
     def instantiate(self, device):
         return self.component_model(
             device=device,
@@ -653,7 +629,12 @@ class InventoryItemTemplate(MPTTModel, ComponentTemplateModel):
 
     class Meta:
         ordering = ('device_type__id', 'parent__id', '_name')
-        unique_together = ('device_type', 'parent', 'name')
+        constraints = (
+            models.UniqueConstraint(
+                fields=('device_type', 'parent', 'name'),
+                name='%(app_label)s_%(class)s_unique_device_type_parent_name'
+            ),
+        )
 
     def instantiate(self, **kwargs):
         parent = InventoryItem.objects.get(name=self.parent.name, **kwargs) if self.parent else None