use cached property instead of custom __getattr__ implementation

CONTRIBUTING.md

@@ -103,6 +103,9 @@ Again, the most checks can be performed by `make check` command, though some add
         @property
         def property(self) -> Any: ...
   
+        @cached_property
+        def property_cached(self) -> Any: ...  # cached property has to be treated as normal one
+
         @classmethod
         def class_method(cls) -> Self: ...
 

package/share/ahriman/settings/ahriman.ini

@@ -25,7 +25,7 @@ ignore_packages =
 makechrootpkg_flags =
 makepkg_flags = --nocolor --ignorearch
 triggers = ahriman.core.gitremote.RemotePullTrigger ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger ahriman.core.gitremote.RemotePushTrigger
-triggers_known = ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
+triggers_known = ahriman.core.gitremote.RemotePullTrigger ahriman.core.gitremote.RemotePushTrigger ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
 vcs_allowed_age = 604800
 
 [repository]

src/ahriman/application/handlers/validate.py

@@ -80,7 +80,7 @@ class Validate(Handler):
         loader = TriggerLoader()
         triggers = loader.selected_triggers(configuration) + loader.known_triggers(configuration)
 
-        for trigger in triggers:
+        for trigger in set(triggers):
             try:
                 trigger_class = loader.load_trigger_class(trigger)
             except ExtensionError:

src/ahriman/core/alpm/pacman.py

@@ -20,9 +20,9 @@
 import shutil
 
 from collections.abc import Callable, Generator
+from functools import cached_property
 from pathlib import Path
 from pyalpm import DB, Handle, Package, SIG_PACKAGE, error as PyalpmError  # type: ignore[import]
-from typing import Any
 
 from ahriman.core.configuration import Configuration
 from ahriman.core.log import LazyLogging
@@ -34,13 +34,8 @@ from ahriman.models.repository_paths import RepositoryPaths
 class Pacman(LazyLogging):
     """
     alpm wrapper
-
-    Attributes:
-        handle(Handle): pyalpm root ``Handle``
     """
 
-    handle: Handle
-
     def __init__(self, architecture: str, configuration: Configuration, *,
                  refresh_database: PacmanSynchronization) -> None:
         """
@@ -84,6 +79,16 @@ class Pacman(LazyLogging):
 
         return handle
 
+    @cached_property
+    def handle(self) -> Handle:
+        """
+        pyalpm handle
+
+        Returns:
+            Handle: generated pyalpm handle instance
+        """
+        return self.__create_handle_fn()
+
     def database_copy(self, handle: Handle, database: DB, pacman_root: Path, paths: RepositoryPaths, *,
                       use_ahriman_cache: bool) -> None:
         """
@@ -184,22 +189,3 @@ class Pacman(LazyLogging):
                 result.update(trim_package(provides) for provides in package.provides)
 
         return result
-
-    def __getattr__(self, item: str) -> Any:
-        """
-        pacman handle extractor
-
-        Args:
-            item(str): property name
-
-        Returns:
-            Any: attribute by its name
-
-        Raises:
-            AttributeError: in case if no such attribute found
-        """
-        if item == "handle":
-            handle = self.__create_handle_fn()
-            setattr(self, item, handle)
-            return handle
-        return super().__getattr__(item)  # required for logging attribute

src/ahriman/core/log/lazy_logging.py

@@ -21,18 +21,24 @@ import contextlib
 import logging
 
 from collections.abc import Generator
+from functools import cached_property
 from typing import Any
 
 
 class LazyLogging:
     """
     wrapper for the logger library inspired by scala lazy logging module
-
-    Attributes:
-        logger(logging.Logger): class logger instance
     """
 
-    logger: logging.Logger
+    @cached_property
+    def logger(self) -> logging.Logger:
+        """
+        get class logger instance
+
+        Returns:
+            logging.Logger: class logger instance
+        """
+        return logging.getLogger(self.logger_name)
 
     @property
     def logger_name(self) -> str:
@@ -89,22 +95,3 @@ class LazyLogging:
             yield
         finally:
             self._package_logger_reset()
-
-    def __getattr__(self, item: str) -> Any:
-        """
-        logger extractor
-
-        Args:
-            item(str): property name
-
-        Returns:
-            Any: attribute by its name
-
-        Raises:
-            AttributeError: in case if no such attribute found
-        """
-        if item == "logger":
-            logger = logging.getLogger(self.logger_name)
-            setattr(self, item, logger)
-            return logger
-        raise AttributeError(f"'{self.__class__.__qualname__}' object has no attribute '{item}'")

src/ahriman/core/triggers/trigger.py

@@ -17,6 +17,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
+from collections.abc import Callable
+
 from ahriman.core.configuration import Configuration
 from ahriman.core.configuration.schema import ConfigurationSchema
 from ahriman.core.log import LazyLogging
@@ -128,8 +130,10 @@ class Trigger(LazyLogging):
             result(Result): build result
             packages(list[Package]): list of all available packages
         """
-        if (run := getattr(self, "run", None)) is not None:
-            run(result, packages)  # compatibility with old triggers
+        # compatibility with old triggers
+        run: Callable[[Result, list[Package]], None] | None = getattr(self, "run", None)
+        if run is not None:
+            run(result, packages)
 
     def on_start(self) -> None:
         """

tests/ahriman/application/handlers/test_handler_validate.py

@@ -61,11 +61,14 @@ def test_schema(configuration: Configuration) -> None:
     assert schema.pop("console")
     assert schema.pop("email")
     assert schema.pop("github")
+    assert schema.pop("gitremote")
     assert schema.pop("html")
     assert schema.pop("keyring")
     assert schema.pop("keyring_generator")
     assert schema.pop("mirrorlist")
     assert schema.pop("mirrorlist_generator")
+    assert schema.pop("remote-pull")
+    assert schema.pop("remote-push")
     assert schema.pop("report")
     assert schema.pop("rsync")
     assert schema.pop("s3")

tests/testresources/core/ahriman.ini

@@ -25,7 +25,7 @@ ignore_packages =
 makechrootpkg_flags =
 makepkg_flags = --skippgpcheck
 triggers = ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger
-triggers_known = ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
+triggers_known = ahriman.core.gitremote.RemotePullTrigger ahriman.core.gitremote.RemotePushTrigger ahriman.core.report.ReportTrigger ahriman.core.upload.UploadTrigger ahriman.core.support.KeyringTrigger ahriman.core.support.MirrorlistTrigger
 
 [repository]
 name = aur-clone