feat: use split packages (#135)

* move argument parsers to handlers themselves

* use hatchling instead of flit

* Revert "use hatchling instead of flit"

This reverts commit d18d146d79.

* add package-splitt script

* replace simplify walk method

* split packages

* explicitly install packages

* separate support triggers from main package

* add docs examples

* sort actions

* docs update

* add metapackage

* review fixes

src/ahriman/application/handlers/web.py

@@ -20,12 +20,14 @@
 import argparse
 
 from collections.abc import Generator
+from pathlib import Path
 
-from ahriman.application.handlers.handler import Handler
+from ahriman.application.handlers.handler import Handler, SubParserAction
 from ahriman.core.configuration import Configuration
 from ahriman.core.spawn import Spawn
 from ahriman.core.triggers import TriggerLoader
 from ahriman.models.repository_id import RepositoryId
+from ahriman.web.web import run_server, setup_server
 
 
 class Web(Handler):
@@ -47,9 +49,6 @@ class Web(Handler):
             configuration(Configuration): configuration instance
             report(bool): force enable or disable reporting
         """
-        # we are using local import for optional dependencies
-        from ahriman.web.web import run_server, setup_server
-
         spawner_args = Web.extract_arguments(args, configuration)
         spawner = Spawn(args.parser(), list(spawner_args))
         spawner.start()
@@ -71,6 +70,21 @@ class Web(Handler):
         spawner.stop()
         spawner.join()
 
+    @staticmethod
+    def _set_web_parser(root: SubParserAction) -> argparse.ArgumentParser:
+        """
+        add parser for web subcommand
+
+        Args:
+            root(SubParserAction): subparsers for the commands
+
+        Returns:
+            argparse.ArgumentParser: created argument parser
+        """
+        parser = root.add_parser("web", help="web server", description="start web server")
+        parser.set_defaults(architecture="", lock=Path("ahriman-web.pid"), report=False, repository="")
+        return parser
+
     @staticmethod
     def extract_arguments(args: argparse.Namespace, configuration: Configuration) -> Generator[str, None, None]:
         """
@@ -100,3 +114,5 @@ class Web(Handler):
         # arguments from configuration
         if (wait_timeout := configuration.getint("web", "wait_timeout", fallback=None)) is not None:
             yield from ["--wait-timeout", str(wait_timeout)]
+
+    arguments = [_set_web_parser]