from flask import Flask, request import os import subprocess from colormap import rgb2hex from tenacity import retry, stop_after_attempt app = Flask(__name__) @app.route("/on") @retry(stop=stop_after_attempt(5)) def on(): result = subprocess.run( [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n cc2333"], stdout=subprocess.PIPE, shell=True, ).stdout.decode("utf-8") print(result) if "Characteristic value was written successfully" not in result: raise Exception else: return "On" @app.route("/off") @retry(stop=stop_after_attempt(5)) def off(): result = subprocess.run( [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n cc2433"], stdout=subprocess.PIPE, shell=True, ).stdout.decode("utf-8") print(result) if "Characteristic value was written successfully" not in result: raise Exception else: return "Off" @app.route("/colour") @retry(stop=stop_after_attempt(5)) def hello(): print(request.query_string) r = int(request.args.get("r")) g = int(request.args.get("g")) b = int(request.args.get("b")) hex = rgb2hex(r, g, b) hex = hex.replace("#", "") str = "56" + hex + "00f0aa" result = subprocess.run( [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n {str}"], stdout=subprocess.PIPE, shell=True, ).stdout.decode("utf-8") print(result) if "Characteristic value was written successfully" not in result: raise Exception else: return request.query_string