feat: add trigger loader guard

src/ahriman/core/housekeeping/logs_rotation_trigger.py

@@ -47,6 +47,7 @@ class LogsRotationTrigger(Trigger):
             },
         },
     }
+    REQUIRES_REPOSITORY = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """

src/ahriman/core/report/report_trigger.py

@@ -336,6 +336,7 @@ class ReportTrigger(Trigger):
             },
         },
     }
+    REQUIRES_REPOSITORY = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """

src/ahriman/core/support/keyring_trigger.py

@@ -103,6 +103,7 @@ class KeyringTrigger(Trigger):
             },
         },
     }
+    REQUIRES_REPOSITORY = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """

src/ahriman/core/support/mirrorlist_trigger.py

@@ -90,6 +90,7 @@ class MirrorlistTrigger(Trigger):
             },
         },
     }
+    REQUIRES_REPOSITORY = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """

src/ahriman/core/triggers/trigger.py

@@ -36,6 +36,7 @@ class Trigger(LazyLogging):
         CONFIGURATION_SCHEMA(ConfigurationSchema): (class attribute) configuration schema template
         CONFIGURATION_SCHEMA_FALLBACK(str | None): (class attribute) optional fallback option for defining
             configuration schema type used
+        REQUIRES_REPOSITORY(bool): (class attribute) either trigger requires loaded repository or not
         configuration(Configuration): configuration instance
         repository_id(RepositoryId): repository unique identifier
 
@@ -59,6 +60,7 @@ class Trigger(LazyLogging):
 
     CONFIGURATION_SCHEMA: ClassVar[ConfigurationSchema] = {}
     CONFIGURATION_SCHEMA_FALLBACK: ClassVar[str | None] = None
+    REQUIRES_REPOSITORY: ClassVar[bool] = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """
@@ -79,6 +81,16 @@ class Trigger(LazyLogging):
         """
         return self.repository_id.architecture
 
+    @property
+    def is_allowed_to_run(self) -> bool:
+        """
+        whether trigger allowed to run or not
+
+        Returns:
+            bool: ``True`` in case if trigger allowed to run and ``False`` otherwise
+        """
+        return not (self.REQUIRES_REPOSITORY and self.repository_id.is_empty)
+
     @classmethod
     def configuration_schema(cls, configuration: Configuration | None) -> ConfigurationSchema:
         """

src/ahriman/core/triggers/trigger_loader.py

@@ -77,8 +77,9 @@ class TriggerLoader(LazyLogging):
         """
         instance = cls()
         instance.triggers = [
-            instance.load_trigger(trigger, repository_id, configuration)
-            for trigger in instance.selected_triggers(configuration)
+            trigger
+            for trigger_name in instance.selected_triggers(configuration)
+            if (trigger := instance.load_trigger(trigger_name, repository_id, configuration)).is_allowed_to_run
         ]
 
         return instance

src/ahriman/core/upload/upload_trigger.py

@@ -160,6 +160,7 @@ class UploadTrigger(Trigger):
             },
         },
     }
+    REQUIRES_REPOSITORY = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """