Ruff cleanup: 12 errors → 0 (the facts/sitemap scripts)

scripts/build_site_facts.py

@@ -10,10 +10,13 @@
 Stdlib only. Every fact names its source file so a reader can recompute.
 """
 import json
-import os
+from pathlib import Path
 
-ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..")
-A = lambda p: os.path.join(ROOT, "assets", p)
+ROOT = Path(__file__).resolve().parent.parent
+
+
+def A(p):
+    return str(ROOT / "assets" / p)
 
 
 def load(name):
@@ -53,8 +56,8 @@ def compute_facts():
         "recall_at_10": meta["test_recall_at_10"],
         "purity_at_20": round(meta["purity_at_20"], 4),
         "archetype_top1": round(meta["archetype_top1_acc"], 4),
-        "onnx_bytes": os.path.getsize(A("mtnn.onnx")),
-        "embeddings_bytes": os.path.getsize(A("mtnn_embeddings.f32")),
+        "onnx_bytes": Path(A("mtnn.onnx")).stat().st_size,
+        "embeddings_bytes": Path(A("mtnn_embeddings.f32")).stat().st_size,
         "eligibility": vectors["eligibility"]["method"],
         "drift_pairs": len(drift["pairs"]),
         "drift_biggest": {

scripts/build_sitemap.py

@@ -3,17 +3,17 @@
 were removed from the sitemap in the 2026-10-12 focus cuts.)
 Run: python3 scripts/build_sitemap.py. Stdlib only."""
 import json
-import os
 from datetime import date
+from pathlib import Path
 
-ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..")
+ROOT = Path(__file__).resolve().parent.parent
 BASE = "https://hoops.dumbmodel.com"
 PAGES = ["/", "/play", "/live", "/players", "/insights", "/taxonomy",
          "/methods", "/props-lab", "/playoff-runs"]
 
 
 def main():
-    with open(os.path.join(ROOT, "assets", "insights.json"), encoding="utf-8") as f:
+    with open(ROOT / "assets" / "insights.json", encoding="utf-8") as f:
         slugs = [c["slug"] for c in json.load(f)["insights"]]
     # Insight stubs stay live for social unfurls but leave the sitemap
     # (Wave 5): the hub page is the indexable surface.
@@ -24,7 +24,7 @@ def main():
     for u in urls:
         lines.append(f"  <url><loc>{BASE}{u}</loc><lastmod>{today}</lastmod></url>")
     lines.append("</urlset>")
-    with open(os.path.join(ROOT, "sitemap.xml"), "w", encoding="utf-8") as f:
+    with open(ROOT / "sitemap.xml", "w", encoding="utf-8") as f:
         f.write("\n".join(lines) + "\n")
     print(f"wrote sitemap.xml — {len(urls)} URLs ({len(PAGES)} pages)")
 

scripts/check_site_facts.py

@@ -3,16 +3,16 @@
 data files. Fails (exit 1) when data moved and the sheet was not rebuilt —
 the same contract as stamp_assets.py --check. Stdlib only."""
 import json
-import os
 import sys
+from pathlib import Path
 
-sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+sys.path.insert(0, str(Path(__file__).resolve().parent))
 from build_site_facts import compute_facts, A
 
 
 def main():
     path = A("site_facts.json")
-    if not os.path.exists(path):
+    if not Path(path).exists():
         print("FAIL assets/site_facts.json missing — run scripts/build_site_facts.py")
         return 1
     with open(path, encoding="utf-8") as f: