File: realtime_xmas.py

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python-ttls 1.9.0-1
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"""Example of sending realtime frames to Twinkly"""

import argparse
import asyncio
import random
import time

from ttls.client import Twinkly, TwinklyFrame

RED = (0xFF, 0x00, 0x00)
GREEN = (0x00, 0xFF, 0x00)
BLUE = (0x00, 0x00, 0xFF)


def generate_xmas_frame(n: int) -> TwinklyFrame:
    """Generate a very merry frame"""
    res = []
    for _ in range(n):
        if random.random() > 0.5:
            res.append(RED)
        else:
            res.append(GREEN)
    return res


async def main() -> None:
    parser = argparse.ArgumentParser()
    parser.add_argument("--host", metavar="hostname", required=True, help="Device address")
    parser.add_argument(
        "--count",
        dest="count",
        metavar="n",
        type=int,
        default=10,
        required=False,
        help="Number of iterations",
    )
    parser.add_argument(
        "--delay",
        dest="delay",
        metavar="seconds",
        type=float,
        default=0.2,
        required=False,
        help="Delay between frames",
    )
    args = parser.parse_args()

    t = Twinkly(host=args.host)
    await t.interview()
    await t.set_mode("rt")

    for _ in range(0, args.count):
        frame = generate_xmas_frame(t.length)
        await t.send_frame(frame)
        time.sleep(args.delay)

    await t.close()


if __name__ == "__main__":
    asyncio.run(main())