Improve the Local Baserow single row service's error handling. (baserow#4530)

* Improve the GetRow service's error handling, instead of raising DoesNotExist, use ServiceImproperlyConfiguredDispatchException like other services.

* Lint fix

Author: picklepete

backend/src/baserow/contrib/integrations/local_baserow/service_types.py

@@ -18,6 +18,7 @@
 from django.db import transaction
 from django.db.models import QuerySet
 from django.dispatch import Signal
+from django.utils.translation import gettext as _
 
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError as DRFValidationError
@@ -1656,6 +1657,7 @@ def dispatch_data(
         :param resolved_values: If the service has any formulas, this dictionary will
             contain their resolved values.
         :param dispatch_context: The context used for the dispatch.
+        :raises ServiceImproperlyConfiguredDispatchException: When no rows are found.
         :return: The rows.
         """
 
@@ -1671,7 +1673,7 @@ def dispatch_data(
         # row by setting the right condition
         if "row_id" not in resolved_values:
             if not queryset.exists():
-                raise DoesNotExist()
+                raise ServiceImproperlyConfiguredDispatchException(_("No rows found"))
             return {
                 "data": queryset.first(),
                 "baserow_table_model": table_model,
@@ -1686,7 +1688,9 @@ def dispatch_data(
                 "public_allowed_properties": only_field_names,
             }
         except table_model.DoesNotExist:
-            raise DoesNotExist()
+            raise ServiceImproperlyConfiguredDispatchException(
+                _(f"Row {resolved_values['row_id']} does not exist.")
+            )
 
     def dispatch_transform(self, dispatch_data: Dict[str, Any]) -> DispatchResult:
         """

backend/src/baserow/locale/en/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-11-17 15:17+0000\n"
+"POT-Creation-Date: 2026-01-09 16:13+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -35,15 +35,15 @@ msgstr ""
 #: src/baserow/contrib/automation/action_scopes.py:14
 #, python-format
 msgid ""
-"of type (%(node_type)s) in automation \"%(automation_name)s\" "
-"(%(automation_id)s)."
+"of type (%(node_type)s) in automation "
+"\"%(automation_name)s\" (%(automation_id)s)."
 msgstr ""
 
 #: src/baserow/contrib/automation/actions.py:8
 #, python-format
 msgid ""
-"in workflow (%(workflow_id)s) in automation \"%(automation_name)s\" "
-"(%(automation_id)s)."
+"in workflow (%(workflow_id)s) in automation "
+"\"%(automation_name)s\" (%(automation_id)s)."
 msgstr ""
 
 #: src/baserow/contrib/automation/automation_init_application.py:29
@@ -221,6 +221,14 @@ msgstr ""
 msgid "Triggered at"
 msgstr ""
 
+#: src/baserow/contrib/integrations/local_baserow/service_types.py:1676
+msgid "No rows found"
+msgstr ""
+
+#: src/baserow/contrib/integrations/local_baserow/service_types.py:1692
+msgid "Row {resolved_values['row_id']} does not exist."
+msgstr ""
+
 #: src/baserow/contrib/integrations/slack/service_types.py:166
 msgid "OK"
 msgstr ""

backend/tests/baserow/contrib/integrations/local_baserow/service_types/test_get_row_service_type.py

@@ -16,7 +16,6 @@
 )
 from baserow.core.exceptions import PermissionException
 from baserow.core.services.exceptions import (
-    DoesNotExist,
     InvalidContextContentDispatchException,
     ServiceImproperlyConfiguredDispatchException,
 )
@@ -257,7 +256,7 @@ def test_local_baserow_get_row_service_dispatch_data_with_view_filter(data_fixtu
     dispatch_context = FakeDispatchContext()
 
     dispatch_values = service_type.resolve_service_formulas(service, dispatch_context)
-    with pytest.raises(DoesNotExist):
+    with pytest.raises(ServiceImproperlyConfiguredDispatchException):
         service_type.dispatch_data(service, dispatch_values, dispatch_context)
 
 
@@ -291,7 +290,7 @@ def test_local_baserow_get_row_service_dispatch_data_with_service_search(
     dispatch_context = FakeDispatchContext()
 
     dispatch_values = service_type.resolve_service_formulas(service, dispatch_context)
-    with pytest.raises(DoesNotExist):
+    with pytest.raises(ServiceImproperlyConfiguredDispatchException):
         service_type.dispatch_data(service, dispatch_values, dispatch_context)
 
 
@@ -422,7 +421,7 @@ def test_local_baserow_get_row_service_dispatch_data_row_not_exist(data_fixture)
 
     dispatch_context = FakeDispatchContext()
     dispatch_values = service_type.resolve_service_formulas(service, dispatch_context)
-    with pytest.raises(DoesNotExist):
+    with pytest.raises(ServiceImproperlyConfiguredDispatchException):
         service_type.dispatch_data(service, dispatch_values, dispatch_context)
 
 

changelog/entries/unreleased/bug/improved_error_handling_in_the_local_baserow_single_table_ro.json

@@ -0,0 +1,9 @@
+{
+    "type": "bug",
+    "message": "Improved error handling in the Local Baserow single table row action.",
+    "issue_origin": "github",
+    "issue_number": null,
+    "domain": "integration",
+    "bullet_points": [],
+    "created_at": "2026-01-09"
+}