Add WLED pull/push scripts and config backup

- wled_pull.py: fetch state, info, cfg, effects, palettes from WLED
- wled_push.py: send commands or JSON state to WLED
- wled_config/: saved full.json, state.json, info.json from 192.168.240.30

Made-with: Cursor

wled_pull.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+"""
+Pull state, config, or info from a WLED device.
+Uses only standard library (no pip install).
+"""
+import argparse
+import json
+import sys
+from typing import Optional
+from urllib.request import Request, urlopen
+from urllib.error import URLError, HTTPError
+
+DEFAULT_HOST = "192.168.240.30"
+ENDPOINTS = ("state", "info", "cfg", "eff", "pal", "full")
+
+
+def pull(host: str, endpoint: str, save_path: Optional[str], indent: Optional[int]) -> dict:
+    base = host if host.startswith("http") else f"http://{host}"
+    url = f"{base}/json" if endpoint == "full" else f"{base}/json/{endpoint}"
+
+    req = Request(url, headers={"Accept": "application/json"})
+    try:
+        with urlopen(req, timeout=10) as r:
+            data = json.loads(r.read().decode())
+    except HTTPError as e:
+        print(f"HTTP error: {e.code} {e.reason}", file=sys.stderr)
+        if e.fp:
+            print(e.fp.read().decode(), file=sys.stderr)
+        sys.exit(1)
+    except URLError as e:
+        print(f"Request failed: {e.reason}", file=sys.stderr)
+        sys.exit(1)
+    except json.JSONDecodeError as e:
+        print(f"Invalid JSON: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    if save_path:
+        with open(save_path, "w") as f:
+            json.dump(data, f, indent=indent or 2)
+        print(f"Saved to {save_path}")
+    else:
+        print(json.dumps(data, indent=indent or 2))
+
+    return data
+
+
+def main():
+    p = argparse.ArgumentParser(description="Pull state/config from WLED")
+    p.add_argument("--host", "-H", default=DEFAULT_HOST, help=f"WLED host (default: {DEFAULT_HOST})")
+    p.add_argument(
+        "endpoint",
+        nargs="?",
+        default="full",
+        choices=ENDPOINTS,
+        help="state, info, cfg, eff, pal, or full (default: full)",
+    )
+    p.add_argument("--save", "-o", metavar="FILE", help="Write JSON to file")
+    p.add_argument("--no-indent", action="store_true", help="Compact JSON output")
+    args = p.parse_args()
+
+    pull(
+        args.host,
+        args.endpoint,
+        args.save,
+        None if args.no_indent else 2,
+    )
+
+
+if __name__ == "__main__":
+    main()