15049 add missing gettext to error strings

netbox/core/data_backends.py

@@ -102,7 +102,7 @@ class GitBackend(DataBackend):
         try:
             porcelain.clone(self.url, local_path.name, **clone_args)
         except BaseException as e:
-            raise SyncError(f"Fetching remote data failed ({type(e).__name__}): {e}")
+            raise SyncError(_("Fetching remote data failed ({name}): {e}").format(name=type(e).__name__, e=e))
 
         yield local_path.name
 

netbox/core/models/jobs.py

@@ -181,7 +181,7 @@ class Job(models.Model):
         """
         valid_statuses = JobStatusChoices.TERMINAL_STATE_CHOICES
         if status not in valid_statuses:
-            raise ValueError(f"Invalid status for job termination. Choices are: {', '.join(valid_statuses)}")
+            raise ValueError(_("Invalid status for job termination. Choices are: {choices}").format(choices=', '.join(valid_statuses)))
 
         # Mark the job as completed
         self.status = status

netbox/dcim/fields.py

@@ -1,6 +1,7 @@
 from django.contrib.postgres.fields import ArrayField
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.utils.translation import gettext as _
 from netaddr import AddrFormatError, EUI, eui64_unix_expanded, mac_unix_expanded
 
 from .lookups import PathContains
@@ -41,7 +42,7 @@ class MACAddressField(models.Field):
         try:
             return EUI(value, version=48, dialect=mac_unix_expanded_uppercase)
         except AddrFormatError:
-            raise ValidationError(f"Invalid MAC address format: {value}")
+            raise ValidationError(_("Invalid MAC address format: {value}").format(value=value))
 
     def db_type(self, connection):
         return 'macaddr'
@@ -67,7 +68,7 @@ class WWNField(models.Field):
         try:
             return EUI(value, version=64, dialect=eui64_unix_expanded_uppercase)
         except AddrFormatError:
-            raise ValidationError(f"Invalid WWN format: {value}")
+            raise ValidationError(_("Invalid WWN format: {value}").format(value=value))
 
     def db_type(self, connection):
         return 'macaddr8'

netbox/dcim/forms/bulk_import.py

@@ -870,7 +870,9 @@ class InterfaceImportForm(NetBoxModelImportForm):
     def clean_vdcs(self):
         for vdc in self.cleaned_data['vdcs']:
             if vdc.device != self.cleaned_data['device']:
-                raise forms.ValidationError(f"VDC {vdc} is not assigned to device {self.cleaned_data['device']}")
+                raise forms.ValidationError(
+                    _("VDC {vdc} is not assigned to device {device}").format(
+                        vdc=vdc, device=self.cleaned_data['device']))
         return self.cleaned_data['vdcs']
 
 
@@ -1075,7 +1077,8 @@ class InventoryItemImportForm(NetBoxModelImportForm):
             component = model.objects.get(device=device, name=component_name)
             self.instance.component = component
         except ObjectDoesNotExist:
-            raise forms.ValidationError(f"Component not found: {device} - {component_name}")
+            raise forms.ValidationError(_("Component not found: {device} - {component_name}").format(
+                device=device, component_name=component_name))
 
 
 #
@@ -1193,9 +1196,13 @@ class CableImportForm(NetBoxModelImportForm):
             else:
                 termination_object = model.objects.get(device=device, name=name)
             if termination_object.cable is not None and termination_object.cable != self.instance:
-                raise forms.ValidationError(f"Side {side.upper()}: {device} {termination_object} is already connected")
+                raise forms.ValidationError(
+                    _("Side {side_upper}: {device} {termination_object} is already connected").format(
+                        side_upper=side.upper(), device=device, termination_object=termination_object))
         except ObjectDoesNotExist:
-            raise forms.ValidationError(f"{side.upper()} side termination not found: {device} {name}")
+            raise forms.ValidationError(
+                _("{side_upper} side termination not found: {device} {name}").format(
+                    side_upper=side.upper(), device=device, name=name))
 
         setattr(self.instance, f'{side}_terminations', [termination_object])
         return termination_object

netbox/extras/api/customfields.py

@@ -1,4 +1,5 @@
 from django.contrib.contenttypes.models import ContentType
+from django.utils.translation import gettext as _
 from drf_spectacular.utils import extend_schema_field
 from drf_spectacular.types import OpenApiTypes
 from rest_framework.fields import Field
@@ -88,7 +89,7 @@ class CustomFieldsDataField(Field):
                 if serializer.is_valid():
                     data[cf.name] = [obj['id'] for obj in serializer.data] if many else serializer.data['id']
                 else:
-                    raise ValidationError(f"Unknown related object(s): {data[cf.name]}")
+                    raise ValidationError(_("Unknown related object(s): {name}").format(name=data[cf.name]))
 
         # If updating an existing instance, start with existing custom_field_data
         if self.parent.instance:

netbox/extras/conditions.py

@@ -1,5 +1,6 @@
 import functools
 import re
+from django.utils.translation import gettext as _
 
 __all__ = (
     'Condition',
@@ -50,11 +51,12 @@ class Condition:
 
     def __init__(self, attr, value, op=EQ, negate=False):
         if op not in self.OPERATORS:
-            raise ValueError(f"Unknown operator: {op}. Must be one of: {', '.join(self.OPERATORS)}")
+            raise ValueError(_("Unknown operator: {op}. Must be one of: {operators}").format(
+                op=op, operators=', '.join(self.OPERATORS)))
         if type(value) not in self.TYPES:
-            raise ValueError(f"Unsupported value type: {type(value)}")
+            raise ValueError(_("Unsupported value type: {value}").format(value=type(value)))
         if op not in self.TYPES[type(value)]:
-            raise ValueError(f"Invalid type for {op} operation: {type(value)}")
+            raise ValueError(_("Invalid type for {op} operation: {value}").format(op=op, value=type(value)))
 
         self.attr = attr
         self.value = value
@@ -131,14 +133,16 @@ class ConditionSet:
     """
     def __init__(self, ruleset):
         if type(ruleset) is not dict:
-            raise ValueError(f"Ruleset must be a dictionary, not {type(ruleset)}.")
+            raise ValueError(_("Ruleset must be a dictionary, not {ruleset}.").format(ruleset=type(ruleset)))
         if len(ruleset) != 1:
-            raise ValueError(f"Ruleset must have exactly one logical operator (found {len(ruleset)})")
+            raise ValueError(_("Ruleset must have exactly one logical operator (found {ruleset})").format(
+                ruleset=len(ruleset)))
 
         # Determine the logic type
         logic = list(ruleset.keys())[0]
         if type(logic) is not str or logic.lower() not in (AND, OR):
-            raise ValueError(f"Invalid logic type: {logic} (must be '{AND}' or '{OR}')")
+            raise ValueError(_("Invalid logic type: {logic} (must be '{op_and}' or '{op_or}')").format(
+                logic=logic, op_and=AND, op_or=OR))
         self.logic = logic.lower()
 
         # Compile the set of Conditions

netbox/extras/dashboard/utils.py

@@ -2,6 +2,7 @@ import uuid
 
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist
+from django.utils.translation import gettext as _
 
 from netbox.registry import registry
 from extras.constants import DEFAULT_DASHBOARD
@@ -32,7 +33,7 @@ def get_widget_class(name):
     try:
         return registry['widgets'][name]
     except KeyError:
-        raise ValueError(f"Unregistered widget class: {name}")
+        raise ValueError(_("Unregistered widget class: {name}").format(name=name))
 
 
 def get_dashboard(user):

netbox/extras/dashboard/widgets.py

@@ -112,7 +112,8 @@ class DashboardWidget:
         Params:
             request: The current request
         """
-        raise NotImplementedError(f"{self.__class__} must define a render() method.")
+        raise NotImplementedError(_("{class_name} must define a render() method.").format(
+            class_name=self.__class__))
 
     @property
     def name(self):

netbox/extras/events.py

@@ -6,6 +6,7 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
 from django.utils import timezone
 from django.utils.module_loading import import_string
+from django.utils.translation import gettext as _
 from django_rq import get_queue
 
 from core.models import Job
@@ -129,7 +130,8 @@ def process_event_rules(event_rules, model_name, event, data, username=None, sna
             )
 
         else:
-            raise ValueError(f"Unknown action type for an event rule: {event_rule.action_type}")
+            raise ValueError(_("Unknown action type for an event rule: {action_type}").format(
+                action_type=event_rule.action_type))
 
 
 def process_event_queue(events):
@@ -175,4 +177,4 @@ def flush_events(queue):
                 func = import_string(name)
                 func(queue)
             except Exception as e:
-                logger.error(f"Cannot import events pipeline {name} error: {e}")
+                logger.error(_("Cannot import events pipeline {name} error: {e}").format(name=name, e=e))

netbox/extras/forms/bulk_import.py

@@ -202,7 +202,7 @@ class EventRuleImportForm(NetBoxModelImportForm):
                 try:
                     webhook = Webhook.objects.get(name=action_object)
                 except Webhook.DoesNotExist:
-                    raise forms.ValidationError(f"Webhook {action_object} not found")
+                    raise forms.ValidationError(_("Webhook {action_object} not found").format(action_object=action_object))
                 self.instance.action_object = webhook
             # Script
             elif action_type == EventRuleActionChoices.SCRIPT:
@@ -211,7 +211,7 @@ class EventRuleImportForm(NetBoxModelImportForm):
                 try:
                     module, script = get_module_and_script(module_name, script_name)
                 except ObjectDoesNotExist:
-                    raise forms.ValidationError(f"Script {action_object} not found")
+                    raise forms.ValidationError(_("Script {action_object} not found").format(action_object=action_object))
                 self.instance.action_object = module
                 self.instance.action_object_type = ContentType.objects.get_for_model(module, for_concrete_model=False)
                 self.instance.action_parameters = {

netbox/netbox/api/fields.py

@@ -83,7 +83,7 @@ class ChoiceField(serializers.Field):
         except TypeError:  # Input is an unhashable type
             pass
 
-        raise ValidationError(f"{data} is not a valid choice.")
+        raise ValidationError(_("{data} is not a valid choice.").format(data=data))
 
     @property
     def choices(self):

netbox/netbox/api/serializers/nested.py

@@ -1,4 +1,5 @@
 from django.core.exceptions import FieldError, MultipleObjectsReturned, ObjectDoesNotExist
+from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 
@@ -30,9 +31,10 @@ class WritableNestedSerializer(BaseModelSerializer):
             try:
                 return queryset.get(**params)
             except ObjectDoesNotExist:
-                raise ValidationError(f"Related object not found using the provided attributes: {params}")
+                raise ValidationError(
+                    _("Related object not found using the provided attributes: {params}").format(params=params))
             except MultipleObjectsReturned:
-                raise ValidationError(f"Multiple objects match the provided attributes: {params}")
+                raise ValidationError(_("Multiple objects match the provided attributes: {params}").format(params=params))
             except FieldError as e:
                 raise ValidationError(e)
 
@@ -42,15 +44,14 @@ class WritableNestedSerializer(BaseModelSerializer):
             pk = int(data)
         except (TypeError, ValueError):
             raise ValidationError(
-                f"Related objects must be referenced by numeric ID or by dictionary of attributes. Received an "
-                f"unrecognized value: {data}"
+                _("Related objects must be referenced by numeric ID or by dictionary of attributes. Received an unrecognized value: {data}").format(data=data)
             )
 
         # Look up object by PK
         try:
             return self.Meta.model.objects.get(pk=pk)
         except ObjectDoesNotExist:
-            raise ValidationError(f"Related object not found using the provided numeric ID: {pk}")
+            raise ValidationError(_("Related object not found using the provided numeric ID: {pk}").format(pk=pk))
 
 
 # Declared here for use by PrimaryModelSerializer, but should be imported from extras.api.nested_serializers

netbox/netbox/authentication.py

@@ -7,6 +7,7 @@ from django.contrib.auth.backends import ModelBackend, RemoteUserBackend as _Rem
 from django.contrib.auth.models import Group, AnonymousUser
 from django.core.exceptions import ImproperlyConfigured
 from django.db.models import Q
+from django.utils.translation import gettext_lazy as _
 
 from users.constants import CONSTRAINT_TOKEN_USER
 from users.models import ObjectPermission
@@ -132,7 +133,7 @@ class ObjectPermissionMixin:
         # Sanity check: Ensure that the requested permission applies to the specified object
         model = obj._meta.concrete_model
         if model._meta.label_lower != '.'.join((app_label, model_name)):
-            raise ValueError(f"Invalid permission {perm} for model {model}")
+            raise ValueError(_("Invalid permission {perm} for model {model}").format(perm=perm, model=model))
 
         # Compile a QuerySet filter that matches all instances of the specified model
         tokens = {

netbox/netbox/config/__init__.py

@@ -4,6 +4,7 @@ import threading
 from django.conf import settings
 from django.core.cache import cache
 from django.db.utils import DatabaseError
+from django.utils.translation import gettext_lazy as _
 
 from .parameters import PARAMS
 
@@ -63,7 +64,7 @@ class Config:
         if item in self.defaults:
             return self.defaults[item]
 
-        raise AttributeError(f"Invalid configuration parameter: {item}")
+        raise AttributeError(_("Invalid configuration parameter: {item}").format(item=item))
 
     def _populate_from_cache(self):
         """Populate config data from Redis cache"""

netbox/netbox/forms/mixins.py

@@ -35,7 +35,8 @@ class CustomFieldsMixin:
         Return the ContentType of the form's model.
         """
         if not getattr(self, 'model', None):
-            raise NotImplementedError(f"{self.__class__.__name__} must specify a model class.")
+            raise NotImplementedError(_("{class_name} must specify a model class.").format(
+                class_name=self.__class__.__name__))
         return ContentType.objects.get_for_model(self.model)
 
     def _get_custom_fields(self, content_type):

netbox/netbox/models/features.py

@@ -275,16 +275,18 @@ class CustomFieldsMixin(models.Model):
         # Validate all field values
         for field_name, value in self.custom_field_data.items():
             if field_name not in custom_fields:
-                raise ValidationError(f"Unknown field name '{field_name}' in custom field data.")
+                raise ValidationError(_("Unknown field name '{field_name}' in custom field data.").format(
+                    field_name=field_name))
             try:
                 custom_fields[field_name].validate(value)
             except ValidationError as e:
-                raise ValidationError(f"Invalid value for custom field '{field_name}': {e.message}")
+                raise ValidationError(_("Invalid value for custom field '{field_name}': {message}").format(
+                    field_name=field_name, message=e.message))
 
         # Check for missing required values
         for cf in custom_fields.values():
             if cf.required and cf.name not in self.custom_field_data:
-                raise ValidationError(f"Missing required custom field '{cf.name}'.")
+                raise ValidationError(_("Missing required custom field '{name}'.").format(name=cf.name))
 
 
 class CustomLinksMixin(models.Model):
@@ -547,7 +549,8 @@ class SyncedDataMixin(models.Model):
         Inheriting models must override this method with specific logic to copy data from the assigned DataFile
         to the local instance. This method should *NOT* call save() on the instance.
         """
-        raise NotImplementedError(f"{self.__class__} must implement a sync_data() method.")
+        raise NotImplementedError(_("{class_name} must implement a sync_data() method.").format(
+            class_name=self.__class__))
 
 
 #

netbox/netbox/plugins/registration.py

@@ -1,5 +1,6 @@
 import inspect
 
+from django.utils.translation import gettext_lazy as _
 from netbox.registry import registry
 from .navigation import PluginMenu, PluginMenuButton, PluginMenuItem
 from .templates import PluginTemplateExtension
@@ -20,18 +21,24 @@ def register_template_extensions(class_list):
     # Validation
     for template_extension in class_list:
         if not inspect.isclass(template_extension):
-            raise TypeError(f"PluginTemplateExtension class {template_extension} was passed as an instance!")
+            raise TypeError(
+                _("PluginTemplateExtension class {template_extension} was passed as an instance!").format(
+                    template_extension=template_extension))
         if not issubclass(template_extension, PluginTemplateExtension):
-            raise TypeError(f"{template_extension} is not a subclass of netbox.plugins.PluginTemplateExtension!")
+            raise TypeError(
+                _("{template_extension} is not a subclass of netbox.plugins.PluginTemplateExtension!").format(
+                    template_extension=template_extension))
         if template_extension.model is None:
-            raise TypeError(f"PluginTemplateExtension class {template_extension} does not define a valid model!")
+            raise TypeError(
+                _("PluginTemplateExtension class {template_extension} does not define a valid model!").format(
+                    template_extension=template_extension))
 
         registry['plugins']['template_extensions'][template_extension.model].append(template_extension)
 
 
 def register_menu(menu):
     if not isinstance(menu, PluginMenu):
-        raise TypeError(f"{menu} must be an instance of netbox.plugins.PluginMenu")
+        raise TypeError(_("{menu} must be an instance of netbox.plugins.PluginMenu").format(menu=menu))
     registry['plugins']['menus'].append(menu)
 
 
@@ -42,10 +49,12 @@ def register_menu_items(section_name, class_list):
     # Validation
     for menu_link in class_list:
         if not isinstance(menu_link, PluginMenuItem):
-            raise TypeError(f"{menu_link} must be an instance of netbox.plugins.PluginMenuItem")
+            raise TypeError(_("{menu_link} must be an instance of netbox.plugins.PluginMenuItem").format(
+                menu_link=menu_link))
         for button in menu_link.buttons:
             if not isinstance(button, PluginMenuButton):
-                raise TypeError(f"{button} must be an instance of netbox.plugins.PluginMenuButton")
+                raise TypeError(_("{button} must be an instance of netbox.plugins.PluginMenuButton").format(
+                    button=button))
 
     registry['plugins']['menu_items'][section_name] = class_list
 

netbox/netbox/registry.py

@@ -11,7 +11,7 @@ class Registry(dict):
         try:
             return super().__getitem__(key)
         except KeyError:
-            raise KeyError(f"Invalid store: {key}")
+            raise KeyError(_("Invalid store: {key}").format(key=key))
 
     def __setitem__(self, key, value):
         raise TypeError(_("Cannot add stores to registry after initialization"))

netbox/netbox/views/generic/bulk_views.py

@@ -14,6 +14,7 @@ from django.http import HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.utils.safestring import mark_safe
+from django.utils.translation import gettext as _
 from django_tables2.export import TableExport
 
 from extras.models import ExportTemplate
@@ -390,7 +391,7 @@ class BulkImportView(GetReturnURLMixin, BaseMultiObjectView):
                 try:
                     instance = prefetched_objects[object_id]
                 except KeyError:
-                    form.add_error('data', f"Row {i}: Object with ID {object_id} does not exist")
+                    form.add_error('data', _("Row {i}: Object with ID {object_id} does not exist").format(i=i, object_id=object_id))
                     raise ValidationError('')
 
                 # Take a snapshot for change logging

netbox/netbox/views/generic/object_views.py

@@ -11,6 +11,7 @@ from django.shortcuts import redirect, render
 from django.urls import reverse
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
+from django.utils.translation import gettext as _
 
 from extras.signals import clear_events
 from utilities.error_handlers import handle_protectederror
@@ -101,7 +102,8 @@ class ObjectChildrenView(ObjectView, ActionsMixin, TableMixin):
             request: The current request
             parent: The parent object
         """
-        raise NotImplementedError(f'{self.__class__.__name__} must implement get_children()')
+        raise NotImplementedError(_('{class_name} must implement get_children()').format(
+            class_name=self.__class__.__name__))
 
     def prep_table_data(self, request, queryset, parent):
         """

netbox/utilities/forms/bulk_import.py

@@ -78,7 +78,7 @@ class BulkImportForm(BootstrapMixin, SyncedDataMixin, forms.Form):
         elif format == ImportFormatChoices.YAML:
             self.cleaned_data['data'] = self._clean_yaml(data)
         else:
-            raise forms.ValidationError(f"Unknown data format: {format}")
+            raise forms.ValidationError(_("Unknown data format: {format}").format(format=format))
 
     def _detect_format(self, data):
         """

netbox/utilities/forms/utils.py

@@ -2,6 +2,7 @@ import re
 
 from django import forms
 from django.forms.models import fields_for_model
+from django.utils.translation import gettext as _
 
 from utilities.choices import unpack_grouped_choices
 from utilities.querysets import RestrictedQuerySet
@@ -38,7 +39,7 @@ def parse_numeric_range(string, base=10):
         try:
             begin, end = int(begin.strip(), base=base), int(end.strip(), base=base) + 1
         except ValueError:
-            raise forms.ValidationError(f'Range "{dash_range}" is invalid.')
+            raise forms.ValidationError(_('Range "{dash_range}" is invalid.').format(dash_range=dash_range))
         values.extend(range(begin, end))
     return sorted(set(values))
 
@@ -61,7 +62,7 @@ def parse_alphanumeric_range(string):
             begin, end = dash_range, dash_range
         if begin.isdigit() and end.isdigit():
             if int(begin) >= int(end):
-                raise forms.ValidationError(f'Range "{dash_range}" is invalid.')
+                raise forms.ValidationError(_('Range "{dash_range}" is invalid.').format(dash_range=dash_range))
 
             for n in list(range(int(begin), int(end) + 1)):
                 values.append(n)
@@ -73,10 +74,10 @@ def parse_alphanumeric_range(string):
             else:
                 # Not a valid range (more than a single character)
                 if not len(begin) == len(end) == 1:
-                    raise forms.ValidationError(f'Range "{dash_range}" is invalid.')
+                    raise forms.ValidationError(_('Range "{dash_range}" is invalid.').format(dash_range=dash_range))
 
                 if ord(begin) >= ord(end):
-                    raise forms.ValidationError(f'Range "{dash_range}" is invalid.')
+                    raise forms.ValidationError(_('Range "{dash_range}" is invalid.').format(dash_range=dash_range))
 
                 for n in list(range(ord(begin), ord(end) + 1)):
                     values.append(chr(n))
@@ -221,18 +222,21 @@ def parse_csv(reader):
         if '.' in header:
             field, to_field = header.split('.', 1)
             if field in headers:
-                raise forms.ValidationError(f'Duplicate or conflicting column header for "{field}"')
+                raise forms.ValidationError(_('Duplicate or conflicting column header for "{field}"').format(
+                    field=field))
             headers[field] = to_field
         else:
             if header in headers:
-                raise forms.ValidationError(f'Duplicate or conflicting column header for "{header}"')
+                raise forms.ValidationError(_('Duplicate or conflicting column header for "{header}"').format(
+                    header=header))
             headers[header] = None
 
     # Parse CSV rows into a list of dictionaries mapped from the column headers.
     for i, row in enumerate(reader, start=1):
         if len(row) != len(headers):
             raise forms.ValidationError(
-                f"Row {i}: Expected {len(headers)} columns but found {len(row)}"
+                _("Row {i}: Expected {len_headers} columns but found {len_row}").format(
+                    len_headers=len(headers), len_row=len(row))
             )
         row = [col.strip() for col in row]
         record = dict(zip(headers.keys(), row))
@@ -253,14 +257,16 @@ def validate_csv(headers, fields, required_fields):
             is_update = True
             continue
         if field not in fields:
-            raise forms.ValidationError(f'Unexpected column header "{field}" found.')
+            raise forms.ValidationError(_('Unexpected column header "{field}" found.').format(field=field))
         if to_field and not hasattr(fields[field], 'to_field_name'):
-            raise forms.ValidationError(f'Column "{field}" is not a related object; cannot use dots')
+            raise forms.ValidationError(_('Column "{field}" is not a related object; cannot use dots').format(
+                field=field))
         if to_field and not hasattr(fields[field].queryset.model, to_field):
-            raise forms.ValidationError(f'Invalid related object attribute for column "{field}": {to_field}')
+            raise forms.ValidationError(_('Invalid related object attribute for column "{field}": {to_field}').format(
+                field=field, to_field=to_field))
 
     # Validate required fields (if not an update)
     if not is_update:
         for f in required_fields:
             if f not in headers:
-                raise forms.ValidationError(f'Required column header "{f}" not found.')
+                raise forms.ValidationError(_('Required column header "{f}" not found.').format(f=f))

netbox/utilities/forms/widgets/apiselect.py

@@ -3,6 +3,7 @@ from typing import Dict, List, Tuple
 
 from django import forms
 from django.conf import settings
+from django.utils.translation import gettext_lazy as _
 
 __all__ = (
     'APISelect',
@@ -119,7 +120,9 @@ class APISelect(forms.Select):
                 update = [{'fieldName': f, 'queryParam': q} for (f, q) in self.dynamic_params.items()]
                 self._serialize_params(key, update)
             except IndexError as error:
-                raise RuntimeError(f"Missing required value for dynamic query param: '{self.dynamic_params}'") from error
+                raise RuntimeError(
+                    _("Missing required value for dynamic query param: '{dynamic_params}'").format(
+                        dynamic_params=self.dynamic_params)) from error
 
     def _add_static_params(self):
         """
@@ -132,7 +135,9 @@ class APISelect(forms.Select):
                 update = [{'queryParam': k, 'queryValue': v} for (k, v) in self.static_params.items()]
                 self._serialize_params(key, update)
             except IndexError as error:
-                raise RuntimeError(f"Missing required value for static query param: '{self.static_params}'") from error
+                raise RuntimeError(
+                    _("Missing required value for static query param: '{static_params}'").format(
+                        static_params=self.static_params)) from error
 
     def add_query_params(self, query_params):
         """

netbox/utilities/permissions.py

@@ -1,6 +1,7 @@
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.db.models import Q
+from django.utils.translation import gettext_lazy as _
 
 __all__ = (
     'get_permission_for_model',
@@ -36,7 +37,7 @@ def resolve_permission(name):
         action, model_name = codename.rsplit('_', 1)
     except ValueError:
         raise ValueError(
-            f"Invalid permission name: {name}. Must be in the format <app_label>.<action>_<model>"
+            _("Invalid permission name: {name}. Must be in the format <app_label>.<action>_<model>").format(name=name)
         )
 
     return app_label, action, model_name
@@ -53,7 +54,7 @@ def resolve_permission_ct(name):
     try:
         content_type = ContentType.objects.get(app_label=app_label, model=model_name)
     except ContentType.DoesNotExist:
-        raise ValueError(f"Unknown app_label/model_name for {name}")
+        raise ValueError(_("Unknown app_label/model_name for {name}").format(name=name))
 
     return content_type, action
 

netbox/utilities/request.py

@@ -1,3 +1,4 @@
+from django.utils.translation import gettext_lazy as _
 from netaddr import AddrFormatError, IPAddress
 from urllib.parse import urlparse
 
@@ -29,7 +30,7 @@ def get_client_ip(request, additional_headers=()):
                 return IPAddress(ip)
             except AddrFormatError:
                 # We did our best
-                raise ValueError(f"Invalid IP address set for {header}: {ip}")
+                raise ValueError(_("Invalid IP address set for {header}: {ip}").format(header=header, ip=ip))
 
     # Could not determine the client IP address from request headers
     return None

netbox/utilities/tables.py

@@ -1,3 +1,4 @@
+from django.utils.translation import gettext_lazy as _
 from netbox.registry import registry
 
 __all__ = (
@@ -43,5 +44,6 @@ def register_table_column(column, name, *tables):
     for table in tables:
         reg = registry['tables'][table]
         if name in reg:
-            raise ValueError(f"A column named {name} is already defined for table {table.__name__}")
+            raise ValueError(_("A column named {name} is already defined for table {table_name}").format(
+                name=name, table_name=table.__name__))
         reg[name] = column

netbox/utilities/validators.py

@@ -2,6 +2,7 @@ import re
 
 from django.core.exceptions import ValidationError
 from django.core.validators import BaseValidator, RegexValidator, URLValidator, _lazy_re_compile
+from django.utils.translation import gettext_lazy as _
 
 from netbox.config import get_config
 
@@ -61,4 +62,4 @@ def validate_regex(value):
     try:
         re.compile(value)
     except re.error:
-        raise ValidationError(f"{value} is not a valid regular expression.")
+        raise ValidationError(_("{value} is not a valid regular expression.").format(value=value))

netbox/utilities/views.py

@@ -2,6 +2,7 @@ from django.contrib.auth.mixins import AccessMixin
 from django.core.exceptions import ImproperlyConfigured
 from django.urls import reverse
 from django.urls.exceptions import NoReverseMatch
+from django.utils.translation import gettext_lazy as _
 
 from netbox.registry import registry
 from .permissions import resolve_permission
@@ -34,7 +35,8 @@ class ContentTypePermissionRequiredMixin(AccessMixin):
         """
         Return the specific permission necessary to perform the requested action on an object.
         """
-        raise NotImplementedError(f"{self.__class__.__name__} must implement get_required_permission()")
+        raise NotImplementedError(_("{self.__class__.__name__} must implement get_required_permission()").format(
+            class_name=self.__class__.__name__))
 
     def has_permission(self):
         user = self.request.user
@@ -68,7 +70,8 @@ class ObjectPermissionRequiredMixin(AccessMixin):
         """
         Return the specific permission necessary to perform the requested action on an object.
         """
-        raise NotImplementedError(f"{self.__class__.__name__} must implement get_required_permission()")
+        raise NotImplementedError(_("{class_name} must implement get_required_permission()").format(
+            class_name=self.__class__.__name__))
 
     def has_permission(self):
         user = self.request.user
@@ -89,8 +92,8 @@ class ObjectPermissionRequiredMixin(AccessMixin):
 
         if not hasattr(self, 'queryset'):
             raise ImproperlyConfigured(
-                '{} has no queryset defined. ObjectPermissionRequiredMixin may only be used on views which define '
-                'a base queryset'.format(self.__class__.__name__)
+                _('{} has no queryset defined. ObjectPermissionRequiredMixin may only be used on views which define a base queryset').format(
+                    self.__class__.__name__)
             )
 
         if not self.has_permission():

netbox/wireless/utils.py

@@ -1,4 +1,5 @@
 from decimal import Decimal
+from django.utils.translation import gettext_lazy as _
 
 from .choices import WirelessChannelChoices
 
@@ -12,7 +13,7 @@ def get_channel_attr(channel, attr):
     Return the specified attribute of a given WirelessChannelChoices value.
     """
     if channel not in WirelessChannelChoices.values():
-        raise ValueError(f"Invalid channel value: {channel}")
+        raise ValueError(_("Invalid channel value: {channel}").format(channel=channel))
 
     channel_values = channel.split('-')
     attrs = {
@@ -22,6 +23,6 @@ def get_channel_attr(channel, attr):
         'width': Decimal(channel_values[3]),
     }
     if attr not in attrs:
-        raise ValueError(f"Invalid channel attribute: {attr}")
+        raise ValueError(_("Invalid channel attribute: {attr}").format(attr=attr))
 
     return attrs[attr]