ages/agame/__main__.py

import argparse
import importlib.util
from pathlib import Path
import sys


# Parse args
parser = argparse.ArgumentParser(
    description="Run a game",
)
parser.add_argument(
    "PACKAGE", type=str, help="The Python package that contains the game to run."
)
args = parser.parse_args()

# Get package to run
package = args.PACKAGE

# Load game module
game_module = importlib.import_module(package)
game = game_module.game  # type: ignore

# Run
game.print_room()
while True:
    try:
        game.say()
        line = input("> ")
        game.say()
        game.run_command(line)
    except (KeyboardInterrupt, EOFError):
        game.say()
        game.say("Bye.")
        break