Minor: Add Asian Pokemon Card Support (#18)

tools/pokemon_jp/fetch_classic_gym_images.py

@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+"""Download and convert bundled classic Japanese gym-deck scans.
+
+Writes JPEGs under ui_wx/assets/pokemon_jp_classic/<setId>/<localId>.jpg.
+Uses dwebp + cjpeg from the local MSYS2 toolchain so we do not need Pillow.
+"""
+
+from __future__ import annotations
+
+import shutil
+import subprocess
+import tempfile
+import urllib.request
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[2]
+OUT_DIR = ROOT / "ui_wx" / "assets" / "pokemon_jp_classic"
+
+# Curated direct CDN/file URLs for printing-accurate deck scans.
+SOURCES: dict[tuple[str, str], str] = {
+    # TCGCollector static CDN URL for Erika (City Gym Decks No. 061).
+    ("TamamushiCG", "016"): (
+        "https://static.tcgcollector.com/content/images/9d/33/c6/"
+        "9d33c6ffe701da03266dd5a65c6ee9537c7043b63b880cf3889f644e1c66aa6f.webp"
+    ),
+}
+
+
+def tool(name: str) -> str:
+    path = shutil.which(name)
+    if path is None:
+        raise SystemExit(f"required tool not found on PATH: {name}")
+    return path
+
+
+def download(url: str, dest: Path) -> None:
+    req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
+    with urllib.request.urlopen(req, timeout=60) as resp:
+        dest.write_bytes(resp.read())
+
+
+def convert_to_jpeg(src: Path, dest: Path) -> None:
+    suffix = src.suffix.lower()
+    if suffix in {".jpg", ".jpeg"}:
+        shutil.copyfile(src, dest)
+        return
+    if suffix == ".webp":
+        dwebp = tool("dwebp")
+        cjpeg = tool("cjpeg")
+        with tempfile.NamedTemporaryFile(suffix=".ppm", delete=False) as tmp:
+            ppm = Path(tmp.name)
+        try:
+            subprocess.run([dwebp, str(src), "-ppm", "-o", str(ppm)], check=True)
+            with open(dest, "wb") as out:
+                subprocess.run([cjpeg, "-quality", "92", str(ppm)], check=True, stdout=out)
+        finally:
+            ppm.unlink(missing_ok=True)
+        return
+    raise SystemExit(f"unsupported source format: {src}")
+
+
+def main() -> None:
+    for (set_id, local_id), url in SOURCES.items():
+        out_dir = OUT_DIR / set_id
+        out_dir.mkdir(parents=True, exist_ok=True)
+        target = out_dir / f"{local_id}.jpg"
+        with tempfile.TemporaryDirectory() as td:
+            src = Path(td) / Path(url).name
+            print(f"download {set_id}/{local_id} <- {url}")
+            download(url, src)
+            convert_to_jpeg(src, target)
+        print(f"wrote {target}")
+
+
+if __name__ == "__main__":
+    main()