Nick
d8ebfcda13
- Add reduced_styles config to switch between Tailwind CDN and inline CSS - Restore liquid wave animations in full-styles mode - Add score decrement endpoint and staged hold-to-reset (decrement/arm/reset) - Improve start.sh: prefer .venv, cleanup stale processes, X display fallback - Scope inline utility classes to body.reduced-styles
322 lines
10 KiB
Python
322 lines
10 KiB
Python
#!/usr/bin/env python3
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import os
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import sys
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import json
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import queue
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import threading
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import socket
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import time
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try:
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import tomllib
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except ModuleNotFoundError:
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try:
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import tomli as tomllib
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except ModuleNotFoundError:
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print("tomli/tomllib not found. Install with: pip install tomli")
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sys.exit(1)
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try:
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import tomli_w
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except ModuleNotFoundError:
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tomli_w = None
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from flask import Flask, render_template, jsonify, Response, request
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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CONFIG_PATH = os.path.join(BASE_DIR, "config.toml")
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with open(CONFIG_PATH, "rb") as f:
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config = tomllib.load(f)
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PORT = 50743
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app = Flask(__name__)
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scores = {"left": 0, "right": 0}
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subscribers = []
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sub_lock = threading.Lock()
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def get_local_ip():
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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s.connect(("10.255.255.255", 1))
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ip = s.getsockname()[0]
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except:
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ip = "127.0.0.1"
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finally:
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s.close()
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return ip
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def get_local_ips():
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ips = set()
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try:
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_, _, ip_list = socket.gethostbyname_ex(socket.gethostname())
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ips.update(ip_list)
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except:
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pass
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try:
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for info in socket.getaddrinfo(socket.gethostname(), None, socket.AF_INET):
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addr = info[4][0]
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if addr != "127.0.0.1":
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ips.add(addr)
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except:
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pass
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try:
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ips.add(get_local_ip())
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except:
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pass
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return sorted(ips)
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def udp_beacon():
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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while True:
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try:
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payload = json.dumps({
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"display_id": config["display_id"],
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"display_name": config.get("display_name", ""),
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"ip": get_local_ip(),
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"ips": get_local_ips(),
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"port": PORT,
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})
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sock.sendto(payload.encode(), ("255.255.255.255", 50744))
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except:
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pass
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time.sleep(10)
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threading.Thread(target=udp_beacon, daemon=True).start()
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def broadcast(data):
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dead = []
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with sub_lock:
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for q in subscribers:
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try:
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q.put_nowait(json.dumps(data))
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except:
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dead.append(q)
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for q in dead:
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subscribers.remove(q)
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def cors(resp):
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resp.headers["Access-Control-Allow-Origin"] = "*"
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resp.headers["Access-Control-Allow-Methods"] = "GET, POST, PUT, DELETE, OPTIONS"
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resp.headers["Access-Control-Allow-Headers"] = "Content-Type"
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return resp
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def save_config():
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if tomli_w is None:
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return
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with open(CONFIG_PATH, "wb") as f:
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tomli_w.dump(config, f)
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@app.route("/")
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def index():
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return render_template(
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"index.html",
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display_id=config["display_id"],
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reduced_styles=config.get("reduced_styles", True),
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header=config.get("header", ""),
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header_font_size=config.get("header_font_size", 0),
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content_padding_top=config.get("content_padding_top", 0),
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content_gap=config.get("content_gap", 1),
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left_name=config["left"]["name"],
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left_color=config["left"]["color"],
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left_subtitle=config["left"].get("subtitle", ""),
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left_name_font_size=config["left"].get("name_font_size", 0),
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left_subtitle_font_size=config["left"].get("subtitle_font_size", 0),
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left_score_font_size=config["left"].get("score_font_size", 0),
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right_name=config["right"]["name"],
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right_color=config["right"]["color"],
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right_subtitle=config["right"].get("subtitle", ""),
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right_name_font_size=config["right"].get("name_font_size", 0),
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right_subtitle_font_size=config["right"].get("subtitle_font_size", 0),
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right_score_font_size=config["right"].get("score_font_size", 0),
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left_score=scores["left"],
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right_score=scores["right"],
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)
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@app.route("/events")
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def sse():
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def stream():
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q = queue.Queue()
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with sub_lock:
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subscribers.append(q)
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try:
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while True:
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data = q.get()
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yield f"data: {data}\n\n"
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except GeneratorExit:
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with sub_lock:
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if q in subscribers:
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subscribers.remove(q)
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return Response(stream(), mimetype="text/event-stream")
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@app.route("/api/status")
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def api_status():
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return cors(jsonify({
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"display_id": config["display_id"],
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"display_name": config.get("display_name", ""),
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"header": config.get("header", ""),
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"header_font_size": config.get("header_font_size", 0),
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"content_padding_top": config.get("content_padding_top", 0),
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"content_gap": config.get("content_gap", 1),
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"reduced_styles": config.get("reduced_styles", True),
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"ip": get_local_ip(),
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"port": PORT,
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"scores": dict(scores),
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"config": {
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"left": {
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"name": config["left"]["name"],
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"subtitle": config["left"].get("subtitle", ""),
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"color": config["left"]["color"],
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"name_font_size": config["left"].get("name_font_size", 0),
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"subtitle_font_size": config["left"].get("subtitle_font_size", 0),
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"score_font_size": config["left"].get("score_font_size", 0),
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},
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"right": {
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"name": config["right"]["name"],
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"subtitle": config["right"].get("subtitle", ""),
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"color": config["right"]["color"],
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"name_font_size": config["right"].get("name_font_size", 0),
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"subtitle_font_size": config["right"].get("subtitle_font_size", 0),
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"score_font_size": config["right"].get("score_font_size", 0),
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},
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},
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}))
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@app.route("/api/score/<side>", methods=["PUT", "OPTIONS"])
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def api_set_score(side):
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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if side not in scores:
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return cors((jsonify({"error": "invalid side"}), 400))
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data = request.get_json(silent=True) or {}
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value = data.get("value")
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if value is None or not isinstance(value, int) or value < 0:
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return cors((jsonify({"error": "value must be a non-negative integer"}), 400))
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scores[side] = value
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return cors(jsonify(scores))
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@app.route("/api/score/<side>/reset", methods=["POST", "OPTIONS"])
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def api_reset_side(side):
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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if side in scores:
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scores[side] = 0
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return cors(jsonify(scores))
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@app.route("/api/score/reset", methods=["POST", "OPTIONS"])
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def api_reset_all():
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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scores["left"] = 0
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scores["right"] = 0
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broadcast({"type": "score", "scores": dict(scores), "side": None})
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return cors(jsonify(scores))
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@app.route("/api/score/<side>/increment", methods=["POST", "OPTIONS"])
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def api_increment(side):
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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if side in scores:
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scores[side] += 1
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return cors(jsonify(scores))
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@app.route("/api/score/<side>/decrement", methods=["POST", "OPTIONS"])
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def api_decrement(side):
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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if side in scores and scores[side] > 0:
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scores[side] -= 1
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return cors(jsonify(scores))
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@app.route("/api/config", methods=["PUT", "OPTIONS"])
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def api_update_config():
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if request.method == "OPTIONS":
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return cors(jsonify({}))
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data = request.get_json(silent=True) or {}
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if "display_id" in data:
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did = data["display_id"]
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if not isinstance(did, int) or did <= 0:
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return cors((jsonify({"error": "display_id must be a positive integer"}), 400))
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config["display_id"] = did
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if "display_name" in data:
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config["display_name"] = data["display_name"]
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if "header" in data:
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config["header"] = data["header"]
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if "header_font_size" in data:
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config["header_font_size"] = data["header_font_size"]
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if "content_padding_top" in data:
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config["content_padding_top"] = data["content_padding_top"]
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if "content_gap" in data:
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config["content_gap"] = data["content_gap"]
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for side in ("left", "right"):
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if side in data:
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for key in ("name", "subtitle", "color", "name_font_size", "subtitle_font_size", "score_font_size"):
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if key in data[side]:
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config[side][key] = data[side][key]
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save_config()
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broadcast({"type": "config", "config": data})
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return cors(jsonify({"status": "ok"}))
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@app.route("/increment/<side>", methods=["GET", "POST"])
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def increment(side):
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if side in scores:
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scores[side] += 1
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return jsonify(scores)
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@app.route("/decrement/<side>", methods=["GET", "POST"])
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def decrement(side):
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if side in scores and scores[side] > 0:
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scores[side] -= 1
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return jsonify(scores)
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@app.route("/reset", methods=["GET", "POST"])
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def reset():
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scores["left"] = 0
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scores["right"] = 0
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broadcast({"type": "score", "scores": dict(scores), "side": None})
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return jsonify(scores)
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@app.route("/reset/<side>", methods=["GET", "POST"])
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def reset_side(side):
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if side in scores:
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scores[side] = 0
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broadcast({"type": "score", "scores": dict(scores), "side": side})
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return jsonify(scores)
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if __name__ == "__main__":
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print(f" CuteBoard Display #{config['display_id']}")
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print(f" {config['left']['name']} ({config['left']['color']}) vs {config['right']['name']} ({config['right']['color']})")
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print(f" URL: http://0.0.0.0:{PORT}")
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app.run(host="0.0.0.0", port=PORT, debug=False, threaded=True)
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