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"""Run a CLI to simulate dice throws."""
import random
import asyncio
import argparse
from aioconsole import AsynchronousCli
async def dice(reader, writer, faces):
for _ in range(3):
await asyncio.sleep(0.33)
writer.write(".")
await writer.drain()
writer.write("\n")
return random.randint(1, faces)
def main():
parser = argparse.ArgumentParser(description="Throw a dice.")
parser.add_argument(
"--faces", "-f", metavar="N", type=int, default=6, help="Number of faces"
)
cli = AsynchronousCli({"dice": (dice, parser)}, prog="dice")
loop = asyncio.get_event_loop()
loop.run_until_complete(cli.interact())
if __name__ == "__main__":
main()
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