122 lines
3.3 KiB
Python
122 lines
3.3 KiB
Python
#!/usr/bin/env python3
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"""Config storage for the ButtonTask web configurator.
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Reads/writes the same JSON config file consumed by the Qt5 application.
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Defaults here must stay in sync with ConfigManager::ensureDefaults() in C++.
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"""
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import copy
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import json
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import os
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import tempfile
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from pathlib import Path
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ALLOWED_ICON_EXT = {".png", ".jpg", ".jpeg", ".bmp", ".svg", ".gif"}
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def config_path():
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"""Resolve the active config path.
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Priority:
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1. BUTTONTASK_CONFIG environment variable.
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2. <repo>/config/config.json next to this package (dev fallback).
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"""
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env = os.environ.get("BUTTONTASK_CONFIG")
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if env:
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return Path(env)
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# webconfig/ -> repo root -> config/config.json
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return (Path(__file__).resolve().parent.parent / "config" / "config.json")
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def _defaults():
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return {
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"version": 2,
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"layout": {"mode": "grid", "columns": 2, "spacing": 10, "showLabels": True},
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"background": {
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"type": "gradient",
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"color1": "#00007b",
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"color2": "#7b007b",
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"animated": True,
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"imagePath": "",
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},
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"feedback": {
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"okColor": "#00cc44",
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"errorColor": "#cc2200",
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"okWidth": 6,
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"errorWidth": 6,
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"glowRadius": 20,
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},
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"settings": {
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"darkMode": True,
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"password": "admin",
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"kioskMode": False,
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"iconsDir": "./icons",
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"webPort": 8080,
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},
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"buttons": [],
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}
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def ensure_defaults(cfg):
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"""Fill in any missing sections/keys without overwriting existing values."""
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base = _defaults()
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if not isinstance(cfg, dict):
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return base
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cfg.setdefault("version", base["version"])
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for section in ("layout", "background", "feedback", "settings"):
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sec = cfg.setdefault(section, {})
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if not isinstance(sec, dict):
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sec = {}
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cfg[section] = sec
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for k, v in base[section].items():
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sec.setdefault(k, v)
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if not isinstance(cfg.get("buttons"), list):
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cfg["buttons"] = []
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return cfg
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def load_config():
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p = config_path()
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if not p.exists():
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cfg = ensure_defaults(_defaults())
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# point iconsDir at a sensible absolute default for the web side
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cfg["settings"]["iconsDir"] = str((p.parent.parent / "icons"))
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return cfg
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with p.open("r", encoding="utf-8") as f:
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cfg = json.load(f)
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return ensure_defaults(cfg)
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def save_config(cfg):
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p = config_path()
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p.parent.mkdir(parents=True, exist_ok=True)
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fd, tmp = tempfile.mkstemp(prefix=".cfg.", suffix=".tmp", dir=str(p.parent))
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try:
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with os.fdopen(fd, "w", encoding="utf-8") as f:
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json.dump(cfg, f, indent=4, ensure_ascii=False)
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os.replace(tmp, p)
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except Exception:
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if os.path.exists(tmp):
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os.unlink(tmp)
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raise
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def icons_dir():
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cfg = load_config()
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d = cfg.get("settings", {}).get("iconsDir") or "./icons"
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p = Path(d)
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if not p.is_absolute():
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p = (config_path().parent.parent / d).resolve()
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p.mkdir(parents=True, exist_ok=True)
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return p
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def list_icons():
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return sorted(
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f.name for f in icons_dir().iterdir()
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if f.is_file() and f.suffix.lower() in ALLOWED_ICON_EXT
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)
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def default_config():
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return copy.deepcopy(_defaults())
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