lib.Cmd.AbstractCmd.aliases: Add property

Add a property aliases to AbstractCmd in prepeparation for commands to bear multiple names / abbreviations / aliases.
Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/Cmd.py

@@ -6,12 +6,19 @@ from ..App import App as Parent
 from ..CmdBase import CmdBase as Base
 
 if TYPE_CHECKING:
+    from typing import Iterable
     from ..lib.Distro import Distro
 
 class Cmd(Base):  # export
 
-    def __init__(self, parent: Parent, name: str, help: str) -> None:
-        super().__init__(parent, name, help)
+    def __init__(
+        self,
+        parent: Parent,
+        name: str,
+        help: str,
+        aliases: Iterable[str] | None = None
+    ) -> None:
+        super().__init__(parent, name, help, aliases = aliases)
 
     async def _run(self, args):
         # Missing subcommand

src/python/jw/pkg/lib/App.py

@@ -56,6 +56,7 @@ class App:  # export
                 cmd.name,
                 help = cmd.help,
                 description = cmd.description,
+                aliases = cmd.aliases,
                 formatter_class = ArgumentDefaultsHelpFormatter,
             )
             parser.set_defaults(func = cmd.run)

src/python/jw/pkg/lib/Cmd.py

@@ -10,7 +10,7 @@ from .Types import LoadTypes, Types
 
 if TYPE_CHECKING:
     from argparse import ArgumentParser
-    from typing import Any
+    from typing import Any, Iterable
 
     from .App import App
 
@@ -150,6 +150,13 @@ class AbstractCmd(abc.ABC):
     def description(self) -> str:
         return self._description()
 
+    def _aliases(self) -> Iterable[str]:
+        return []
+
+    @property
+    def aliases(self) -> Iterable[str]:
+        return self._aliases()
+
 class Cmd(AbstractCmd):  # export
 
     def __init__(
@@ -157,12 +164,14 @@ class Cmd(AbstractCmd):  # export
         parent: App | Cmd,
         name: str,
         help: str,
-        description: str | None = None
+        description: str | None = None,
+        aliases: Iterable[str] | None = None
     ) -> None:
         super().__init__(parent)
         self.__name = name
         self.__help = help
         self.__description = description if description else help
+        self.__aliases = aliases if aliases else []
 
     def _name(self) -> str:
         return self.__name
@@ -172,3 +181,6 @@ class Cmd(AbstractCmd):  # export
 
     def _description(self) -> str:
         return self.__description
+
+    def _aliases(self) -> Iterable[str]:
+        return self.__aliases