LED-Control/server.py

from flask import Flask, request
import ast
import subprocess
from colormap import rgb2hex
from tenacity import retry, stop_after_attempt

app = Flask(__name__)


@retry(stop=stop_after_attempt(5))
def run_bulb_action(value):
    result = subprocess.run(
        [
            f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n {value}"
        ],
        stdout=subprocess.PIPE,
        shell=True,
    ).stdout.decode("utf-8")
    print(result)
    if "Characteristic value was written successfully" not in result:
        raise Exception
    else:
        return True


@app.route("/on")
def on():
    return run_bulb_action("cc2333")


@app.route("/off")
def off():
    return run_bulb_action("cc2433")


@app.route("/colour")
def colour():
    rgb = list(ast.literal_eval(request.args.get("rgb")))
    r = rgb[0]
    g = rgb[1]
    b = rgb[2]
    hex = rgb2hex(r, g, b)
    hex = hex.replace("#", "")
    value = "56" + hex + "00f0aa"
    return run_bulb_action(value)