feat: adiciona constelações astronômicas opcionais

tools/build_constellations.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+"""Gera constellations.js com figuras convencionais em coordenadas J2000.
+
+Fonte: d3-celestial, de Olaf Frohn, licença BSD-3-Clause.
+Os dados são compactados para uso offline pelo wallpaper.
+"""
+
+import json
+import urllib.request
+from pathlib import Path
+
+
+BASE = "https://raw.githubusercontent.com/ofrohn/d3-celestial/master/data/"
+OUT = Path(__file__).resolve().parent.parent / "plugin/contents/ui/constellations.js"
+
+LICENSE = """Copyright (c) 2015, Olaf Frohn
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+1. Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+3. Neither the name of the copyright holder nor contributors may be used to
+   endorse or promote products derived from this software without permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DAMAGES ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE.
+"""
+
+
+def fetch(name: str) -> dict:
+    req = urllib.request.Request(BASE + name, headers={"User-Agent": "skeledance-build/1.0"})
+    return json.loads(urllib.request.urlopen(req, timeout=30).read())
+
+
+def rounded_point(point: list[float]) -> list[float]:
+    return [round(float(point[0]), 4), round(float(point[1]), 4)]
+
+
+def main() -> None:
+    line_data = fetch("constellations.lines.json")["features"]
+    name_data = fetch("constellations.json")["features"]
+    metadata = {
+        feature["id"]: {
+            "name": feature["properties"].get("name", feature["id"]),
+            "label": rounded_point(feature["geometry"]["coordinates"]),
+        }
+        for feature in name_data
+    }
+
+    merged: dict[str, dict] = {}
+    for feature in line_data:
+        ident = feature["id"]
+        item = merged.setdefault(
+            ident,
+            {
+                "id": ident,
+                "name": metadata.get(ident, {}).get("name", ident),
+                "rank": int(feature["properties"].get("rank", 3)),
+                "label": metadata.get(ident, {}).get("label"),
+                "lines": [],
+            },
+        )
+        item["rank"] = min(item["rank"], int(feature["properties"].get("rank", 3)))
+        item["lines"].extend(
+            [[rounded_point(point) for point in line]
+             for line in feature["geometry"]["coordinates"]]
+        )
+
+    payload = json.dumps(list(merged.values()), ensure_ascii=False, separators=(",", ":"))
+    OUT.write_text(
+        "/* Gerado por tools/build_constellations.py.\n"
+        "   d3-celestial constellation lines, coordenadas equatoriais J2000.\n\n"
+        + "\n".join("   " + line for line in LICENSE.rstrip().splitlines())
+        + " */\nconst CONSTELLATIONS=" + payload + ";\n",
+        encoding="utf-8",
+    )
+    print(f"{len(merged)} constelações -> {OUT} ({OUT.stat().st_size / 1024:.0f} KB)")
+
+
+if __name__ == "__main__":
+    main()